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  • US$40 hourly
    **EXPERT VETTED BY UPWORK and among Top 1% talent on Upwork** I am a Full-Time Freelance IT consultant with more than 12 years of rich and varied experience in providing solutions to clients in various domains in the form of – • Full stack web application development • Enterprise applications development • Backend web services development • Desktop application development • Cloud infrastructure development I have extensive experience of developing applications in - Java, J2EE, Spring, JPA, Hibernate, Angular, Typescript and React Framework. BACKEND DEVELOPMENT - I have worked upon and developed backed of at least 100 different applications to date, which involves extensive experience working with Event Driven Architecture, Micro services architecture and Backend Web Services development. I also have strong hands-on experience and rely heavily upon TDD and BDD approach of Software development FRONT-END DEVELOPMENT - At the front-end, my expertise lies in working with – • JSP • JSF • Vaadin • JavaScript • HTML5 • CSS • Ajax • Bootstrap DESKTOP APPLICATION DEVELOPMENT - I have strong knowledge and experience of working with and developing Desktop applications using Java Swing and JavaFX. I have experience in developing applications for Mac, Windows as well as Linux. CLOUD INFRASTRUCTURE DEVELOPMENT - • 9x AWS Certified and "Microsoft Certified" Azure Solutions Architect Expert. • Extensive experience with using Docker, Kubernetes, Terraform. • Dockerisation and Orchestration, automating CI/CD Pipelines, VPN Setup, Monitoring and Logging, Cloud Cost Optimisation are my Forte. • Active user of AWS and Azure and excellent in picking cost-effective and secure solutions using these platforms. OTHER PROFICIENCIES - • Skilled in SQL as well as NoSQL programming. - Relational Databases - Postgres, MySQL, SQL Server, Oracle and DB2. - Non-Relational databases - MongoDB, DynamoDB • Skilled with ElasticSearch and Redis SOFT SKILLS – • Individualistic personality – who likes to find solutions. • Strong work ethic - my past work can vouch for this. • Positive attitude- comes in handy, while solving complex problems. • Excellent command over English language. • Excellent Communication skills. • Believes in Team work and joint efforts - can mingle into your current team easily. • Leadership skills - can lead and take up responsibility, even in difficult situations. • Highly dedicated personality - I don’t get bogged down by hiccups, and work to sail my way through them. As I am working in a highly dynamic field, so I keep updating myself with latest trends and developments in the field of software development, thus ensuring HIGH VALUE WORK for my clients. My technical capabilities, hardworking nature and past record of providing value to my clients can be vouched by client reviews on my profile. Thanks & Cheers!
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Cloud Computing
    CI/CD
    SQL Programming
    J2EE
    DevOps
    Microsoft Azure
    Amazon Web Services
    RabbitMQ
    Hibernate
    Microservice
    RESTful API
    Spring Security
    Spring Boot
    Spring Framework
    Java
  • US$30 hourly
    ⭐ Top Rated Plus ⭐ 100% Job Success ⭐ 6000+ Upwork hours ⭐ 40+ Job's Successful Completed I am a Java professional with 10 years of experience. I have strong understanding and knowledge of the object-oriented approach, software engineering principles, concepts, and with practical knowledge on designing, building scalable applications with Monolith and micro-service model. I have grip on architectural design technique using the Domain-Driven Development approach (DDD), Test Driven Design(TDD). All these years i got chance to work on Financial, Healthcare, ERP, Customized CRMs, Order Management and Logistics solutions. My technology stack is : ✅ Back-End: Java, Spring Boot, Spring Security, MVC, Hibernate, JPA, JDBC, J2EE, Servlets, Web Services ✅ Front-End: Angular, HTML5, CSS3, JavaScript, JSF, JSP ✅ Middleware: Apache ActiveMQ, Kafka ✅ Cache: Apache Ignite, Redis ✅ Databases: RDBMS (MySql, Postgre SQL, MSSQL, Oracle), noSql (MongoDB)
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    SOAP
    Apache Maven
    Jakarta Server Pages
    JDBC
    Jakarta Server Faces
    Spring Boot
    Jenkins
    JasperReports
    Java Servlet API
    PrimeFaces
    Spring Framework
    JUnit
    Hibernate
    Java
    PostgreSQL
  • US$10 hourly
    Highly Skilled Web Developer | 5 Years of Experience | Competitive Rates Greetings! With 5 years of experience in web development, I have an extensive track record of working on diverse projects as both an individual contributor and a valuable team member. I specialize in developing complex enterprise applications using Java, utilizing a comprehensive technology stack to deliver exceptional results. 🎓 Specialization Highlights: 🎓 ✅ Spring Framework: Proficient in Spring Core, Spring MVC, Spring Security, and Spring Boot. ✅ Data Management: Skilled in Spring Data-Cloud, Hibernate, JPA 1.2, and working with SQL databases like PostgreSQL and MySQL. ✅ Restful API Development: Experienced in building robust and scalable APIs. ✅ Build Tools: Proficient in Maven for efficient project management. ✅ Web Technologies: Expertise in Web-Sockets, HTML, CSS, JavaScript, Bootstrap, and a bit of React and Thymeleaf. ✅ Java Web Development: Skilled in Servlets, JSP, JSF 2.2 with Primefaces 8, Primefaces 8 Themes and Templates, and JavaFX. ✅ Software Engineering Principles: Proficient in OOP concepts and Design Patterns. ✅ Messaging Systems: Familiar with JMS, ActiveMQ, RabbitMQ, and Apache Kafka. ✅ Thorough Testing: Skilled in unit and integration testing methodologies. ✅ Database Expertise: Proficient in MySQL, PostgreSQL, and MongoDB. I thrive in a team-oriented environment and have a strong affinity for Agile and Scrum methodologies. Collaboration is key to delivering exceptional results, and I ensure seamless teamwork throughout the development process. My dedication to staying up-to-date with emerging technologies enables me to consistently deliver cutting-edge solutions. Let's join forces to bring your projects to life and achieve outstanding outcomes. The Client Review below which you will find in my reviews section ,describe the quality of work and value can expect from working with me: "Sajjad is a very nice guy willing to work and also learn in the process if it is needed. He delivered the job properly and he is also willing to help me afterwards if there are any problems in the future with the project. He has good communication and I enjoyed to work with him"
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Vue.js
    React
    Angular
    Google Cloud Platform
    Docker Compose
    RESTful API
    Spring MVC
    Core Java
    Microservice
    Jakarta Server Faces
    Spring Boot
    PostgreSQL
    Docker
    Kubernetes
  • US$25 hourly
    🏆 Top 2% on Upwork 🎯 Liferay DXP 7.1 Certified Professional Back-End Developer 🌟 Dedicated freelance with 100% Job Completion. Grow Your Business without Pain and Stress. My main goal is to help my clients achieve the best results possible. If they can't contribute value to their business by involving me, they can't pay me. I have a strong promise that no other freelancer does. 🔐 𝐖𝐄 𝐆𝐔𝐀𝐑𝐀𝐍𝐓𝐄𝐄 𝐘𝐎𝐔 𝐑𝐄𝐒𝐔𝐋𝐓𝐒, ✅ Invested in the success of your project ✅ Discussed and confirmed delivery by the deadline ✅ Instant reply via Upwork messenger ✅ Flexible time to meet or discuss your questions ✅ Dedicated to the project long term ✅ Value your time 👨‍💻 𝐅𝐚𝐜𝐭𝐬 𝐚𝐛𝐨𝐮𝐭 𝐦𝐞, ➝I am providing end-to-end solutions for Portal & Enterprise applications. Experienced in all phases of the Software Development Life Cycle like requirement analysis, design, development, testing, deploying, and maintaining applications. ➝ I can develop projects from scratch until the final delivery and support with maintained code quality and proper code coverage ➝ I can manage the team, do code reviews, handle CI/CD and releases, support live systems ➝ I can understand and implement the most difficult parts of software systems at very large-scale. 💼 𝐌𝐲 𝐂𝐨𝐫𝐞 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞: ☆ Liferay development/customization ☆ Web Application Development ☆ Mobile application development ☆ CRM/ERP/HRMS solutions development ☆ Enterprise solution development ☆ SaaS Enabled application development ☆ E-Commerce application development ☆ Maintenance and enhancement of existing application 💪 𝐒𝐤𝐢𝐥𝐥𝐬: - ☆ Liferay 6.x/7.x ☆ Spring, Spring Boot, Hibernate ☆ JSF, Primefaces, ICEfaces, Richfaces ☆ Java & J2EE ☆ Maven, Ant, Gradle ☆ Blade CLI ☆ MySQL, MSSQL, PostgreSQL, MongoDB ☆ Java-based servers - JBoss, Tomcat, Glassfish ☆ Apache Solr ☆ Elastic Search ☆ SVN, GIT, GITLAB, Bitbucket ☆ REST, SOAP web services ☆ JQuery, Javascript, Ajax ☆ Front-end technologies - AngularJs, ReactJS, NodeJs, HTML4/5, XHTML, XML ☆ Excellent technical and logical problem-solving skills ☆ FHIR | EHR | EMR | SNOMED | HL7 | OpenEHR | OpenEMR | Mirth ✅ 𝐖𝐡𝐚𝐭 𝐦𝐲 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐬𝐚𝐲𝐬, ⭐⭐⭐⭐⭐ "I’ve been working with Bhavin Panchani for about a year on our company’s Liferay-based customer portal. Bhavin is always very professional and organized, but also communicative and easygoing. He is super knowledgeable with the Liferay platform but also works on other technologies that we use with no problem at all, and in a timely manner. I can see that he really cares about our product and is directly responsible for its success. Thanks, Ignek Infotech" 👤 Vivivenne Nurnberger ( Consultant for User Research and Agile Methods ) ⭐⭐⭐⭐⭐ "The IGNEK team knows what the client asks. In terms of response time availability and meeting schedule, they are always on time, they are always responsive, available for meetings, work quickly, and of course, deliver high-quality products successfully. Highly recommended!" 👤 Rick Van Dijk ( Founder at PickurGift )
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Liferay
    Web Development
    HTML
    CSS
    Bootstrap
    React
    MySQL
    Spring Boot
    Spring Framework
    PrimeFaces
    Spring Security
    Java
    Hibernate
    Jakarta Server Faces
  • US$30 hourly
    I am Java/J2ee expert with having total 17+Yrs experience. In my professional career, I work for various firms. I Have very good experience in Coding (Coding is My Strength), framework designing, POC, managing the team, providing technical training, reviewing the code. My technology stack: Backend: Java, Spring Boot with Microservice Architecture, JPA And Hibernate Framework, Node JS Frontend: React Js, Angular Js, JSP, Struts, JSF Primefaces, PHP, jQuery Database: MySql, Postgres, MsSql, MongoDB Mobile: React Native, Flutter, Android, iOS Version Control System: Git (Github, GitLab, Bitbucket), SVN, CVS Issue Trackers: JIRA, Redmine, Trello, Kanboard Others: Elastic Search, Salesforce, AWS DevOps, Maven, Jenkins, sonarqube, ITEXT, Salesforce REST APIs, RabbitMQ My Responsibility is: 1. Designing Architecture 2. Finding a solution 3. Troubleshooting Issue 4. Managing Team 5. Training Team Member etc.
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Hibernate
    PrimeFaces
    Spring Security
    Next.js
    Spring Boot
    Jakarta Server Faces
    Mobile App Development
    Node.js
    iOS
    Java
    React Native
    Android
    PHP
    React
  • US$15 hourly
    🏆 Top Rated 🏅 Certified Mobile App Developer 💯 100% Job Success ✅Best quality work ,✅100% Customer Fulfilment,✅ Honestly and Friendly support,✅ Availability with your flexible hours,✅Quick problem solver,✅On-time completion,✅Quick Response 🥇Hi, I'm a Professional Mobile Application Developer offering services for Android and IOS for 7+ years. I am here to develop your apps according to your requirements. I am expert in iOS SDK, SWIFT, Objective-C, Java, Android SDK, Android Studio, I have developed more than 50 apps. I simply follow AGILE and SCRUM as an App Development Strategy. I am adept at using various project management tools like Asana, Basecamp, Trello amongst various others I also love debugging and resolving errors /issues in any kind of App Here's what you can expect from me: 📱 Prompt Communication 🕒 Timely Project Delivery 🚀 Daily Support My strengths lie in: 💡 Versatility 🔍 High Focus 💪 Motivation 🧐 Attention to Detail Highly experienced with: ✅ Swift ✅ Objective C ✅ Kotlin ✅ Java ✅ Flutter ✅ React Native
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Analytics Plugin
    Google APIs
    Amazon S3
    Apple Xcode
    Android SDK
    iOS Development
    Android App Development
    Push Notifications
    Firebase
    Swift
    Objective-C
    Flutter
    Kotlin
    Java
  • US$28 hourly
    I am Top Rated developer on Upwork with more than 8 years of experience in various Java frameworks. o Hands on experience on technologies and frameworks like Spring Boot, Microservices, JPA, EJB, JDBC, Servlets, JSP, JSF. o Having experience on Tomcat, JBOSS Servers and MySQL database. o Worked on IDEs such as Intellij IDEA, NetBeans, Eclipse IDE, SQLYog. o Hands on experience tools on such as SVN, Log4J, MAVEN. o Hands on experience on UI like on Angular, HTML, CSS, Bootstrap, JavaScript, JQuery , Ajax, JSON, XML o Keen understanding of design patterns like Singleton, Builder, DAO, DTO, MVC, DI, and IOC o Understanding Business Requirements, the flow of the application, and Capable of fixing the defects in the application o Having very good knowledge on debugging tools and bug fixing o Ability to adapt to new environments.
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    AWS Lambda
    Spring Boot
    PostgreSQL
    MySQL
    MongoDB
    Node.js
    Java
    Angular
    Java Persistence API
    Jakarta Server Faces
    Spring Framework
  • US$30 hourly
    I am an AI Engineer and have a strong proficiency in key technologies such as Python, TensorFlow, and PyTorch. My professional journey includes successful engagements in NLP and machine learning algorithms. My expertise lies in: AI Enabled Software Development & Full Stack Development Expert Machine Learning Frameworks: TensorFlow and PyTorch Deep Learning Frameworks: Keras, MXNet Natural Language Processing (NLP) Libraries: NLTK, Spacy, Transformers (Hugging Face) Data Processing and Analysis: NumPy, Pandas, Matplotlib and Seaborn Python - Django and Flask Javascript - Node, React, Vue, Backbone, Polymer MongoDB, GraphQL JAMStack - Netlify, Gatsby Serverless Framework, AWS Lambda Progressive Web Apps Browser Extension Development for Chrome Headless CMS - Strapi, NetlifyCMS, Contentful WebAssembly Development Saleor Ecommerce Development
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Django
    Redux
    Vue.js
    Nuxt.js
    PostgreSQL Programming
    Flask
    Python Script
    Angular
    Node.js
    GraphQL
    React
    Python
    JavaScript
    MongoDB
    MySQL
  • US$30 hourly
    I am full stack developer with 10+ years of experience, I bring expertise in various tech stacks including: - Backend Technologies: Python, Node, Java - Frontend Frameworks: React, Angular JS, Angular2+, Vue.js, Bootstrap - Database Technologies: MongoDB, MySQL, PostgreSQL - Cloud Services: AWS (Amazon Web Services), GCP (Google Cloud Platform) - Version Control: Git, GitFlow, GitLab, GitHub, SVN - Microservices Architecture: Kubernetes, Docker Swarm - DevOps: CI/CD, Jenkins, AWS Pipeline, GitLab CI, CircleCI - BigData: Spark, Hadoop I am dedicated to delivering top-notch solutions that meet your business objectives while adhering to industry best practices and standards. Let's collaborate and bring your ideas to life !!
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Microservice
    Apache JMeter
    MongoDB
    SQL
    J2EE
    AWS Amplify
    AWS Lambda
    JUnit
    DevOps
    Angular
    AngularJS
    React
    Hibernate
    Spring Framework
    Java
  • US$32 hourly
    Artificial Intelligence, Machine Learning and Full Stack developer with over 15 years of experience and 10000 Hours logged on Upwork I am a top rated plus developer and I can help you with quickly come up with MVP development or consult/work on your existing apps. My areas of expertise include - LLM Development - Chatbot Development - Chat GPT and GPT 4 Integrations - Vector Databases Apart from that I have also vast experience developing full stack web applications - Python Django Development - NEXTJS Development - React/React Native Development - Angular Development - MEAN stack development - MERN stack development - Ionic Development
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Data Scraping
    Django
    AngularJS
    Amazon Web Services
    React
    Python
    Ionic Framework
    Redis
    Firebase
    React Native
  • US$45 hourly
    General overview ● Java Developer with 8 years of professional experience. ● Professional experience highload services, measure performance, implement statistics dashboards, debug and fix slow segments. ● Strong technical experience in the development Rest API with Spring, design of new components, refactoring existing code, testing. ● Experience with microservice architecture implementation and designing applications from scratch. ● Actively participating in architecture discussions, proposing and implementing design patterns and solutions to address scalability, maintainability, and security challenges. Team and Project Management ● Mentor and coach team members to enhance technical skills, improve productivity, and promote a culture of continuous learning. ● Conduct code reviews, enforce coding standards, and implement best practices. ● Experience in SCRUM methodology, setup sprint goals for the team and achieving sprint goals. ● Collaborate with cross-functional teams, including product managers, quality assurance, and stakeholders. ● Jira adaptation for new development processes. Domain Expertise ● In the fintech domain, successfully integrated card payments, implemented transfers between IBAN accounts, and worked on currency exchanges between fiat and non-fiat currencies. ● In a medical application, I significantly enhanced security measures for authorization, successfully resolved drug price mismatches, and optimized import jobs. ● In a Big Data project, I led efforts to optimize the performance of TV rating calculations. ● For Internet Service Providers in the USA, I was involved in the design and successful implementation of price calculation logic. Feel free to contact me and I'll help you at any stage, from an idea or small app to a full-scale solution. My goal is to provide you with best solutions.
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Java Collections Framework
    JetBrains IntelliJ IDEA
    PostgreSQL
    Apache Maven
    Docker
    Apache Kafka
    Git
    Cucumber
    Java
    MongoDB
    MySQL
    JUnit
    Core Java
  • US$65 hourly
    I am one of the most affordable US-based top rated plus software engineers on Upwork. Located in Southern California, I am honored to be among the top 3% of developers on the platform, showcasing a 100% Job Success Score and a consistent 5-star rating for proficiency in React and Node.js development. In my successful career on Upwork, I have had the privilege of earning the trust of numerous clients, translating into over $100k in project earnings. From spearheading engineering operations for a successful Silicon Valley startup to devising a custom cloud software solution for an upscale security firm in Beverly Hills, my portfolio spans diverse industries and solutions. Noteworthy projects include a web and React-Native mobile app for an innovative cannabis startup, and a social media influencer web application for a thriving Los Angeles startup. Off the clock, my passion for pushing technological boundaries has me developing a cutting-edge deep learning engine capable of detecting human behavior—an exciting glimpse into the future of computer vision. What sets me apart is my capacity to not only excel in development but also to understand and align with your business goals, needs and limitations. My reputation is built on 100% client satisfaction, and I commit to work tirelessly on your project until you are entirely delighted with the results. I believe in maintaining transparency and effective communication with my clients. You will receive daily status reports from me, complete with documentation of key sections of the source code, ensuring you're always in the loop with the project's progress. I believe in maintaining transparency and effective communication with my clients. You will receive daily status reports from me, complete with documentation of key sections of the source code, ensuring you're always in the loop with the project's progress. Here's a snapshot of what I offer: ***AGILE/SCRUM EXPERIENCE***: Extensive experience working in Agile/Scrum enterprise environments, consistently meeting and exceeding challenging sprint demands. ***FRONT-END AND BACK-END PROFICIENCY***: Mastery in front-end and back-end development with React, Redux, Node.js, JavaScript, Express, and Socket.io. ***DATABASE AND CLOUD EXPERTISE***: Proficiency with MongoDB (Mongoose), PostgreSQL (Sequelize), Nginx, and AWS. ***HTML AND CSS WIZARDRY***: Expertise in HTML and CSS, employing Bootstrap and Flexbox to craft seamless user experiences. Why collaborate with me? ***YOUR BUSINESS SUCCESS***: I put your business's success at the forefront, investing this commitment into your React/Node.js application. ***NUANCED UNDERSTANDING***: My experience with enterprise-level clients and small businesses equips me with a nuanced understanding of different needs and objectives. ***AGILE ENVIRONMENT***: I thrive in fast-paced Agile environments, delivering cutting-edge solutions with precision and efficiency. ***BUSINESS-MINDED***: As a business-minded JavaScript programmer, I not only deliver quality work, but also understand the commercial implications of technology decisions. ***CRAFTED SOLUTIONS***: I craft your React front-end—the face of your business—to perfection, while optimizing your Node.js backend—the engine of your application—for resource efficiency and superior performance. Elevate your business with a full-stack web developer you can trust. Let's collaborate to drive your success to the next level!
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    NGINX
    Business with 100-999 Employees
    API
    HTML5
    CSS
    HTML
    Node.js
    Web Application
    MongoDB
    JavaScript
    Sequelize
    Flexbox
    Software Development
    React
  • US$35 hourly
    ✔Expert in Java ✔5000+ Hrs worked on Upwork ✔16+yrs Experience ✔Problem Solver Sun Certified Java Programmer with 16+ Years of Professional Experience in Enterprise Application Development. I have excellent Coding Skills and follow Industry Standards to code Scalable Applications that can be deployed on Cloud or On-Premises or Container or Kubernetes or Hybrid Platform. ✅I specialize extensively in Java: ✓ Back-End Frameworks: Spring Boot, Spring, Hibernate, JPA, JSP, Servlets, Java ✓ Front-End Frameworks: Angular, ReactJS, JQuery, and JavaScript ✓ Other Frameworks: Apache Storm, Hadoop, JPPF, ElasticSearch, Hazelcast, Spring Cloud ✓ Cloud Computing: AWS, Google Cloud, Digital Ocean, and Heroku ✓ Security: OAuth2, OpenID Connect, JWT, LDAP, X.509, Kerberos, Social Logins, SSO ✓ Databases: MS SQL, MySQL, Oracle, PostgreSQL, MongoDB, HBase ✓ CI/CD and monitoring: CI/CD using Gitlab, CI using Jenkins and Bamboo, Kubernetes ✓ Agile Methodology: Scrum and Kanban using project management tools like Jira, Pivotal Tracker, Gitlab, etc. ✅My core competence lies in providing End-to-End Solutions to Enterprise Application Development for the Financial, Marine, and Telecom domains. ✅ How can I help you ✓ I can handle your all end-to-end requirements analysis, development & delivery so you can focus on your sales & operations ✓ I can extend/develop your MVP product to production-ready ✓ I can develop products from scratch until the final delivery and support with maintained code quality and proper code coverage ✓ I can choose the right technology stack and tools for your solution based on real needs and can save costs ✓ I can manage the team, do code reviews, handle CI/CD and releases, support live systems ✓ I can understand and implement the most difficult parts of software systems ✅ Expert Areas ✓ Java-based back-end frameworks like Spring Modules (Spring MVC, Spring Security, Spring AOP, Spring Rest, Spring Data/JPA) ✓ Microservice & Cloud native architecture for developing SaaS-based system ✓ RDBMS (MySQL, PostgreSQL, Oracle) ✓ Docker, Kubernetes, OpenId, SSO, SAML, ✓ Graph/Document Databases MongoDB and DynamoDB ✓ Microservices-based architecture implementation with Spring boot, Spring Integration, and Apache Camel ✓ AWS experience with Serverless, RDS, SQS, SNS, SES, S3, VPC, Cloudformation, ECS, Lambda, Cognito and EC2 ✓ AWS API implementation experience ✓ Queue-based implementations with RabbitMQ, ActiveMQ, SQS, and SNS ✓ Test-driven development implementation with unit and integration test cases with JUnit/TestNG + Mockito + Spring ✓ Database integration frameworks like JDBC/Hibernate/Sprint Data (ORM) and Spring Mongo ✓ REST-based Web Service/API implementation with Spring REST ✓ CI/CD implementation with (Bamboo + Jenkins + Maven + Nexus + GIT(Bitbucket/Gitlab/Github) ✓ Payment Gateways implementations like Stripe with Debit/Credit Card Integration ✓ Solr/Lucene/ElasticSearch search engine integration ✓ Agile Methodology ✓ Experience with implementing very complex queries with MySQL DB ✓ Java-based Servers Tomcat/JBoss ✓ Repositories like Git, SVN
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    AWS CloudFormation
    J2EE
    OAuth
    Stripe
    AWS Lambda
    Hibernate
    API Integration
    Java Persistence API
    HTML
    Spring Security
    MongoDB
    Spring Framework
    Amazon Web Services
    Java
    Jakarta Server Faces
  • US$50 hourly
    Greetings, I'm Aaron, a software engineer with 10 years experience. I am an expert in Java and Spring Boot, able to build complex applications from scratch. I focus on delivering as fast as possible, while still maintaining a high level of quality. I have primarily worked with startups, small businesses and some enterprise clients. If you need a developer that can work across the entire stack and handle pretty much any task related to development, you won't go wrong choosing me. I can architect and design your idea, working directly with you every step of the way. - Java, Spring Boot, JavaEE, SQL, JPA, Hibernate, Spring Security, Tomcat - JavaScript, ReactJS, MaterialUI, CSS, HTML, Node.js - Docker, Git, Maven, BitBucket, Github, Jenkins - Linux, AWS, Azure, GCP, DigitalOcean - REST, JSON, SOAP, XML, OAuth - Web Apps, Data Scraping, Automation, Integrations - Stripe, Twilio, Shopify, Amazon Marketplace, - MySql, MariaDB, PostgreSQL, MongoDB, DynamoDB, ElasticSearch, Kafka, Redis, Nginx - Python, Django, GoLang, Rust, C++
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    JavaFX
    Stripe
    SOAP
    J2EE
    RESTful Architecture
    RESTful API
    Amazon Web Services
    React
    JSON
    XML
    JavaScript
    Apache Maven
    Spring MVC
    Spring Security
    Spring Boot
    Java
  • US$18 hourly
    Hello! I'm a highly skilled WordPress expert proficient in Elementor, Divi, WooCommerce, Figma to WordPress conversion, and SEO optimization. With over 10 years of experience, I am prompt with my delivery and responsiveness, and has expertise with optimizing WordPress websites. You can expect high-quality websites that prioritize conversions and effectively communicate your brand proposition, resulting in increased revenue and business growth. Services I Provide: ✅ Design and development of WordPress websites ✅ Flawless conversion of PSD/XD/Figma designs to WordPress ✅ Elementor website development ✅ eCommerce websites and online stores using WooCommerce or Shopify ✅ WordPress speed optimization ✅ WordPress SEO optimization ✅ Conversion of HTML/PHP to WordPress ✅ Troubleshooting and error fixing for WordPress websites ✅ Enhancing and fixing website security ✅ Migration from Wix/Squarespace/Shopify to WordPress ✅ Custom theme and plugin development ✅ Coding Skills: In addition to my expertise in WordPress, I possess strong coding skills in HTML, CSS, JavaScript, jQuery, Bootstrap, SASS, Tailwind CSS, and PHP. These skills enable me to add custom features to WordPress websites, customize themes and plugins, and even develop tailor-made WordPress themes and plugins from scratch. We can schedule a 15-minute FREE project discovery call via Upwork at your convenience. Simply let me know your preferred time. If you're interested in discussing your project, please don't hesitate to reach out to me. Regards, Harvinder Singh Upwork TOP Rated WordPress Developer
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Adobe InDesign
    Logo Design
    Mobile App Design
    UX & UI
    Web Design
    Marvel App
    Figma
    Shopify
    HTML5
    Adobe XD
    HTML
    WordPress
    Adobe Photoshop
    Wireframing
  • US$22 hourly
    🏆 Ranked in the Top 3% of Exceptional Talent on Upwork 🥇 Recognized as a Top Rated Plus WordPress Website Developer ⏰ Over 6,000 Hours of Expertise Delivered 💼 Successfully Completed Over 200 Jobs ✅ Consistently Achieved 100% Customer Satisfaction ⭐ Maintained a Perfect 100% Job Success Rate Hello! I am an Experienced WordPress Website Developer with over 5 years of experience and a track record of excellence. I specialize in delivering professional WordPress website design and development solutions, encompassing both theme and plugin development. My expertise has earned me the distinguished title of being in the Top 3% of Talent on Upwork, with a remarkable track record of over 6000+ hours completed and 200+ jobs successfully finished. 🛠 A few words about my work experience: WordPress:- ✅ WordPress Theme Development ✅ Custom Designed Wordpress Themes ✅ PSD to WordPress Theme ✅ HML5/CSS3 to WordPress Theme ✅ Premium Theme Customization (Like: Salient,Divi,Avada,Astra,Elementor) ✅ Plugin Customization ✅ WordPress Multilanguage/Translate Setup ✅ WordPress issue/error fix ✅ WordPress maintenance ✅ WooCommerce customization ✅ WordPress Plugin error ✅ WooCommerce single page error ✅ WordPress Page Speed Increasing ✅ Yoast SEO settings configure ✅ Complete on page optimizationn ✅ Optimize Yoast SEO title, headings and meta description BigCommerce:- ✅ BigCommerce Store Development ✅ Custom Designed BigCommerce Themes ✅ PSD to BigCommerce Theme ✅ HTML5/CSS3 to BigCommerce Theme ✅ Premium Theme Customization (e.g., Cornerstone, Stencil, Foundation) ✅ App Customization ✅ BigCommerce Multilanguage/Translate Setup ✅ BigCommerce issue/error fix ✅ BigCommerce maintenance Wix: ✅ Wix Website Development ✅ Custom Designed Wix Templates ✅ PSD to Wix Template ✅ HTML5/CSS3 to Wix Template ✅ Premium Template Customization (e.g., Strips, Corvid, Editor X) ✅ App Integration ✅ Wix Multilanguage Setup ✅ Wix issue/error fix ✅ Wix maintenance Shopify: ✅ Shopify Store Development ✅ Custom Designed Shopify Themes ✅ PSD to Shopify Theme ✅ HTML5/CSS3 to Shopify Theme ✅ Premium Theme Customization (e.g., Turbo, Brooklyn, Debut, Retina) ✅ App Customization ✅ Shopify Multilanguage Setup ✅ Shopify issue/error fix ✅ Shopify maintenance PSD/SKETCH to HTML:- ✅ HTML5/CSS3/Bootstrap3/4/jQuery/AJAX ✅ PSD/Sketch to HTML5/CSS3 ✅ Twitter Bootstrap ✅ Responsive Design (Supports in all Devices) Why should you work with me? I guarantee: ✅ Perform your project in a great way. ✅ Fast and professional work. ✅ Attention to detail. ✅ Meeting deadlines. I am committed to providing fast and professional work with attention to detail and meeting deadlines. Building long-term relationships with clients is a priority. Contact me to see how I can assist you with your WordPress development needs. Kind regards, Peter K.
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Web Design
    Website Security
    Page Speed Optimization
    Google Analytics
    WordPress e-Commerce
    WordPress Development
    PSD to WordPress
    Responsive Design
    Theme Customization
    Website Redesign
    Website
    Website Migration
    CSS
    PHP
    WordPress
  • US$125 hourly
    I’m an experienced technologist, team leader for developers, and product creator with a proven track record of delivering robust solutions. I blend my management and technical experience to adopt a product-driven approach. I possess a profound technical background and expertise in development platforms, requirements engineering, DevOps, and software architectures. I'm familiar with a variety of project and product management frameworks. I've designed and implemented development management strategies for product-led growth, customer success, and the lean startup framework. I'm also highly experienced in deploying enterprise solutions such as Jira, Notion, and ChatGPT to enhance productivity. I enjoy both leading a software team and performing hands-on technical planning. I can assume leadership of a technical team in a matter of days and assist in fostering transparent processes, regular inspections, and ever-adapting collaboration practices. Additionally, I fill the gaps where more in-depth technical expertise is needed. I can provide comprehensive architectures and specifications, and then drive them into implementation. In recent years, I’ve specialized in AI integrations, scaling data solutions, blockchain strategies, SaaS productization, distributed team leadership, and Scrum. I have observed how modern tools and processes enable the collaboration of remote development teams that perform more effectively than local teams. From my office in the downtown of Vienna I've worked with dozens of customers across the US, Canada and EU - therefore I have a good routine to tackle the time zone difference and I'm well equipped for high quality video calls and continuous flow of communication. # Work History 2015 – Today: Independent Consultant and Product CTO Project/product management, SaaS startup development, AI integrations, data engineering, blockchain strategies and Web3 technology for clients in US, Central Europe and Scandinavia. 2010 - 2015: SaaS Founder and Tech Entrepreneur Team leader of an award winning global enterprise collaboration SaaS solution with clients such as British American Tobacco and Royal DSM. Under my leadership the startup grew from zero to 100 enterprise customers. 2006 – 2010: Product Manager and Software Project Manager Line manager, devs team leader and enterprise solution architect responsible for Private Healthcare ERP solutions of Logica CGI Finland. Key account manager of 100 enterprise customers. 2000 – 2005: Full Stack Developer and Consultant Enterprise architectures, Java EE design and development in complex projects for global corporations in Finland and Australia. # Management Skills - Business unit management / Line management - Lean startup business development - New Product Development / Customer Success / Product-led Growth - Distributed team management / Remote teams - Product management / Scrum Product Owner - Agile software development management - Issue tracking process development (for example Jira and YouTrack) - Certified Scrum Master (PSM-I) - Certified project manager (IPMA-C) - Situational Leadership II - Enterprise resource planning - Development project budgeting # Technical Skills - Enterprise Architectures and Design Patterns - APIs (REST, XML, JSON) and EAI (MuleSoft, Boomi and Zapier) - OpenAI development platform (GPT 3.5 and GPT 4, prompt engineering, fine tuning) - Vector databases for language models (Pinecone) - Web3 development platforms such as Moralis, Infura and Alchemy - Smart contract design and Ethereum network data management - Microservice architectures such as Docker and Serverless - RDBMS, SQL, XML databases and Hibernate - Big data and Google BigQuery - Enterprise Data Warehouse and BI - Python and Java/Jakarta development - React and Ionic mobile development - JavaScript frameworks and HTML5 (web and mobile) - Automated testing methods and tools - GitHub and GitLab workflows and configuration - Amazon Web Services (AWS) and Google Cloud infrastructure - Salesforce platform and integration design - Service blueprints, user experience and wireframe specifications - UML design and technical documentation
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Data Engineering
    GPT-4
    GPT-3
    Agile Software Development
    Enterprise Architecture
    Team Building
    DevOps
    SaaS
    Scrum
    Cross Functional Team Leadership
    Python
    Ethereum
    Blockchain
    Cryptocurrency
    Artificial Intelligence
  • US$65 hourly
    With over 9+ years of dedicated experience as a Full-stack Blockchain developer, I've continually pushed the boundaries of decentralized technologies to deliver exceptional solutions. I approach each project with a thorough analysis of the client's objectives, ensuring a clear line of communication throughout the development cycle for transparency and client involvement. Having earned recognition as one of the Top 50 Blockchain Developers, I'm driven by a passion for excellence, reflected in top-rated reviews and consistent 5-star ratings from satisfied clients. Precision in meeting project timelines is a hallmark of my work, rooted in a steadfast commitment to delivering on promises. My Key Attributes: -- Proven Excellence: Backed by a track record of 5-star reviews, my work is synonymous with quality and client satisfaction. -- Extensive Experience: Over the course of 9+ years, I have cultivated a deep understanding of blockchain technologies, staying abreast of the latest developments in the industry. -- Dedication to Timelines: Timely project delivery is a cornerstone of my work ethic, ensuring that clients can rely on the punctual execution of their projects. My Areas of Proficiency: Web Development and Design: Mastery in Node.js, React JS, Electron.js, Nest.js, JavaScript, jQuery, MySQL, MongoDB, HTML5, CSS3, and PHP, encompassing various frameworks and CMS. Blockchain Development: Adept in Solidity, Web3, Ether.js, Hardhat, Truffle, Ganache CLI, Remix IDE, IBM Hyperledger, IPFS, Rust, and Go. Specialized Solutions: Expertise in Launchpad (IDO | ICO | IEO | STO | ETO), NFT Minting and Marketplaces, Smart Contract Development, Crypto Exchange (Centralized/Decentralized), Crypto Trading Platforms, Staking/Lending Platforms, Metaverse, Crypto Gaming, DEFI, Crypto Bots, Telegram Bots, Token creation, and Android & IOS app development. I invite you to connect and discuss your project requirements, confident that my comprehensive skill set and unwavering dedication will propel your blockchain initiatives to unprecedented success. Let's embark on this transformative journey together.
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Telegram
    Telegram API
    web3.js
    Smart Contract
    Solidity
    NFT Marketplace
    TRON
    NFT Minting
    Tezos
    Bitcoin
    Crypto Wallet Development
    Blockchain Development
    DApps
    AI Development
    Node.js
  • US$26 hourly
    🏆 Top Rated 🏆 100% JSS 🏆 Certified Golang Developer I am a Software Engineer with passion for efficient problem solving. With my 5 years overall experience and 4+ years of experience building Web Services and utilities with Golang, PostgreSQL and Docker. I've had the opportunity to hone my skills by working on multiple projects using different tools and Programming Languages. I am a team worker and a good communicator with strict adherence to deadlines. My Skills and Expertise include: ✔️Python ✔️NGINX ✔️Linux ✔️Golang ✔️.NET Framework ✔️HTTP ✔️Amazon Web Services ✔️C# ✔️Visual Basic ✔️Data Structures and Algorithms ✔️PostgreSQL ✔️Microsoft ✔️APIs ✔️GIT ✔️SaaS ✔️VB.Net ✔️Docker ✔️Bash ✔️Google Cloud I can complete tasks on a tight deadline with proper testing and well written code with comments for better readability. I can deliver the quality of work you are looking for
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Docker
    RESTful API
    Java
    C
    Bash Programming
    Golang
    C#
    Linux System Administration
    Bash
    Perl
    Python
  • US$50 hourly
    Hello, My name is Khalil Mohammad Mirza, a seasoned programmer who is dedicated to delivering exceptional results and ensuring customer satisfaction. My core values are quality, timeliness, and adaptability, and I strive to provide nothing less than top-notch services to all my clients. My areas of expertise include a broad range of technologies, including: 1. Asp.net: full framework and core 2. NodeJs 3. Python 4. PHP 5. GoLang 6. Databases: SQL Server, MySql, Postgres, Azure SQL, Amazon RDS, and MongoDB 7. Front-end frameworks: Angular, ReactJs, and VueJs 8. Cloud Platforms: Azure, AWS, and GCP 9. Containerization: Docker/Kubernetes 10. Desktop Applications: ElectronJs and Winform My career in programming began as a junior backend developer at TechnoLab360, where I played a significant role in the development of the Legacy Supply Chain Management EPR for Sysco Guest Supply. I then advanced to the position of senior lead backend developer, where I spearheaded the development of the new Supply Chain Management ERP, led a team of developers, and oversaw the seamless transition from the old ERP. Additionally, I created CLI apps that facilitated migration. Currently, I work as a full-stack backend heavy developer for the United Nations, where I am leading the development of eLUNa, a web-based translation tool that features automatic identification of previously translated sentences and terminology, coupled with machine translation for new sentences. I am also working on the development of eLUNa Editorial, a custom-built editing program that caters to the needs of editors at the United Nations. In addition to my work at the United Nations, I have undertaken several small-scale projects, including bot automations, SSO, performance optimization, web scraping projects, CLI tools, consultations, and small web applications. With my commitment to excellence and experience in a broad range of technologies, I am confident that I can surpass your expectations and deliver exceptional results. Thank you for considering me for your programming needs. Best regards, Khalil Mohammad Mirza
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    RESTful Architecture
    Node.js
    React
    Cloud Architecture
    JSON
    API Development
    Automation
    API Integration
    C#
    SQL
    SOAP
    Python
    ASP.NET Core
    JavaScript
    NoSQL Database
  • US$90 hourly
    My name is Alex. I'm a mobile and web application UX/UI Designer, Full Stack Developer based in London. What tools are in my portfolio? - React.JS/Redux, Vue.JS, HTML5, CSS3, Jquery - Nodejs(express), Python / Django(Django rest framework) - PostgreSQL, MySQL, Mongo, SQLite, Firebase - Javascript, es5/es6,typescript,JSX - React-native - Github,SVN, Gitlab, BitBucket, Trello, Jira - Nginx,Apache,pm2, Docker, Jenkins - AWS, DigitalOcean, Google Cloud Why choose me? Every project is divorce from the influence of cost and harmonized with your expectations. I take a vested interest in the success and longevity of the solution being delivered. What's in it for you? • Velocity – Results driven expectation aligned to your needs • Veracity – Immutable results supporting adoption • Value – Delivering industry best practice at Ingestion, Integration, Development and Testing. I create precise, high ROI, custom built web and mobile applications. This helps my clients win in their marketplace.I assist Brands by providing design development and messaging solutions. This reinvigorates stale, non-performing or under performing Ad campaigns, Websites, Social Media Campaigns, and other online and offline initiatives. I have helped big corporations to increase their Profit and become million dollar value companies by building variety of tools for them. I have worked both on startups, which means I know how to keep up with the pace, and with well established brands. People say that I am goal-oriented team leader with outstanding leadership skills. Let's create something great together!
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Python Script
    HTML5
    CSS 3
    Magento
    WordPress
    Shopify
    Magento 2
    Google Ads
    React
    Digital Strategy
    Graphic Design
    Mobile UI Design
    Web Component Design
  • US$20 hourly
    I am a Full Stack Developer who can build web applications from frontend to backend. Java and Javascript is my main forte, other languages and frameworks are easily adaptable.
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Terraform
    API
    AWS Lambda
    API Development
    Database Management
    PHP
    Python
    Docker
    Bootstrap
    Angular
    Node.js
    Java
    Ansible
    Golang
    CSS
  • US$55 hourly
    I have over 15 years of development and implementation experience on projects ranging from small departmental applications to complex enterprise back-office and eCommerce solutions in multi-national corporate environments. My focus during this time has been the design, development, testing, implementation, and support of web and client-server applications using Java and Java EE technologies. Core API experience includes Spring MVC, Spring Boot, JSF, JSP/Servlets, Struts, Hibernate/JPA, and Spring JDBC. Expert front-end technology experience with XHTML/HTML5, CSS, and JavaScript. Frameworks include jQuery, Ext JS, Vue JS, Kendo UI, Thymeleaf, JSP, and JSF/PrimeFaces. Relational database expertise includes Microsoft SQL, PostgreSQL, MySQL, and Oracle. Web application server expertise with Apache Tomcat, Apache TomEE, JBoss, and Oracle WebLogic. Expert web service development experience with REST, SOAP, and WSDL. Additional proprietary application knowledge includes IBM (HCL) Notes & Domino, LotusScript, XPages, and Domino JSF. Regularly deploy and support applications using cloud computing on Amazon Web Service (AWS) EC2 and RDS. Extensive experience with continuous build and migration using Maven, Jenkins, and Flyway. Strong knowledge integrating GIT-based version control with Jira as well as Trello for project management. Good experience working on projects managed using the Agile methodology with Scrum and Kanban and more recently projects executed with the latest DeveOps principles. Beyond application development, I am skilled in high-level requirements gathering, risk analysis, technical design analysis, application modeling, implementation planning, and support. Please allow me the opportunity to provide you with the expert technical skills, knowledge, and experience I have gained delivering a broad range of business solutions. Some of the vertical markets I have provided solutions for include, but are not limited to, finance & investments, healthcare, logistics, transportation, pharmaceutical, manufacturing, construction, health & beauty, education, retail food & grocery, retail clothing, retail collectibles & decor, business-to-business goods, and non-profit service.
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Back-End Development
    Microservice
    Web Development
    Jakarta Server Faces
    Jakarta Server Pages
    PostgreSQL
    Microsoft SQL Server
    MySQL
    JavaScript
    Node.js
    React
    Hibernate
    Spring Boot
    Spring Framework
    Java
  • US$30 hourly
    Thanks for visiting my profile. Digital Wizard with 12+ years of solid experience in End-to-End Software Development, POC/MVP Development, Mobile app development, Website development, OpenAI/ChatGPT Solutions, Blockchain Solutions, Metaverse, NFT & AR/VR. I will apprehend your business requirements and will help you choose the right technology for your solution. Below are some of the domains and technologies I've worked on. 🎨 User Interface and User Experience Designing Figma, Invision Studio, Adobe XD, Adobe Illustrator, Adobe Photoshop, Sketch, Balsamiq, etc. 📀 2D/3D Graphic Designing and Animation 📱 Mobile Application Development (Native & Hybrid) Kotlin, Java, Swift, ObjectiveC, React Native, Flutter 🖥 Web Designing / Websites / Web Application Development Front-end Development: HTML, CSS, Bootstrap, Javascript, ReactJS, AngularJS, VueJS, Redux, Styled Components, MeteorJS Back-end Development: PHP, Laravel, NodeJS, Express, Next.Js, Python, Microservices Databases: MySQL, MongoDB, PostgreSQL, Access, NoSQL, Sqlite, Redis Hosting: Digital Ocean, AWS, GoDaddy, a2 Hosting, CloudHost Devops: AWS, Docker, Kubernetes 🤖 OpenAI Solutions ChatGPT, GPT-4, DALL·E 2, Whisper, InstructGPT, Ada, Babbage, Curie, Davinci, Fine-tuning & Embedding models, Image & Audio models 🔐 Blockchain Solutions, Metaverse & NFT 👾 Hyperledger, Corda, Ethereum, Bitcoin, Multichain, Hashgraph, DLTs in general, Stellar, EOS, etc. 📟 Augmented Reality (AR) Vuforia, ARKit, ARCore 💎 Virtual Reality (VR) Google Cardboard, Samsung Gear VR Looking forward to be your Partner in Digitalization! ✅ Thanks!
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Firebase
    Mobile App
    Mobile App Development
    Hybrid App Development
    Android App Development
    iOS Development
    UI/UX Prototyping
    Web Development
    Web Design
    Graphic Design
  • US$45 hourly
    I am a Java Web Developer, working as freelancer, mainly in Upwork. I am very passionate with Java and JVM technologies. My experience mostly in developing Software As A Service (SaaS) platform, business computing and information system area, using Bootstrap, Angular JS or JSF as UI Components or web framework, Spring Core, Spring MVC or JBoss Seam as Restful API endpoint and or Integration framework, and Hibernate as favorite Java Persistence API (JPA) implementation wrapped by Spring Data component. If my clients requires no casual application or web server, I like to use Spring Boot for simpler development and deployment of the application. I am also interested in database design and software design. I believe that great software not only mediocre work of typing, but also comes from thoughtful process. I believe in TDD, and also believe that tests code must be written, organized as good as the source code it self and is integral part of the source code. I am a quick learner, and In my spare-time, I am writing some personal open source project and small proof-of-concept about java-related stuff in my GitHub public repository. My primary machine is linux desktop with 1TB NVMe SSD and 64GB or RAM. I have macbook pro 15 for testing purpose and to allow me mobile occasionally, if needed. Communication is important in remote work, and for this purpose I have 2 link dedicated internet connections to my workspace. If you need my detailed skill abilities, below is what I have experienced in: - Software Design, Database Design, and microservices/Micro-services/micro services architecture. - JPA 1.0, JPA 2.0, with Hibernate. - Bean Validation Specification with Hibernate Validator. - Dependency Injection with Java DI (JSR-330), Java Context and Dependency Injection for Java EE Platform (JSR-299), and Spring Core as most popular (but non-standard) Java Dependency Injection Framework. - Java Web Framework with Spring MVC and JSP, or Java Server Faces (JSF) with Facelet and Primefaces. - Spring Boot, Spring Data stack. - Generated / scaffolding web application using JHipster. - Java Web / Application server with Tomcat, Wildfly, or Websphere AS. - Logging with SLF4J as a wrapper to Log4J or Logback. - JUnit or Test NG as testing framework. - Ant, Maven or Gradle as build and dependency management tool. - HTML 5, CSS 3, JavaScript, JQuery, Twitter Bootstrap, transparency.js, and angular / angular.js - Third Party API such as Xero API, Open ERP Java API, Braintree Payment API, Stripe Payment API, and Social APIs. - Linux, Mac or Windows. - MySQL, PostgreSQL, Oracle, or Microsoft SQL Server for RDBMS. - Couchbase or Mongo DB for No-SQL solution. - Elasticsearch (ELK) stack or pentaho for data integration, advanced search, reporting and data analysis solution. Thanks, Resa
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Spring Framework
    Angular
    Spring Data
    DigitalOcean
    Spring Boot
    Hibernate
    JHipster
    Java Persistence API
    Amazon Web Services
    Web Service
    SQL
    JavaScript
    Java
  • US$45 hourly
    🏅 Top Rated Plus Freelancer 🕒 1400+ hours on Upwork ✅ 100% Job Success Score I am a results-oriented bilingual with 11+ years of experience professional who is willing to work with clients worldwide. In my case, I am open to working with startup companies, small businesses, and even multi-national firms. I am deeply involved in all my projects from start to finish. I listen to my clients attentively and provide them a vision for what they want, and then I collaborate with them to create and execute a plan of action. I continuously offer my clients the pros and cons of each choice they make and convey my recommendations for their selections. I would like to give quick short profile summary as below Skills ---------------------------------------------------------------------------------------- • 11+ Years of IT Experience relevant to Java with BFSI domain like Banking & Insurance • Core skills SpringBoot, RESTful webservices, Microservices, JPA • Experience in Unit Testing with JUnit5, Mock/Mockito • Good experience with working on front end applications using JavaScript, JQuery and Bootstrap. • Strong experience with Agile or Scrum methodologies. • Good communicator in English • Experience with SQL Databases (e.g. Oracle) • Strong experience with GIT/BitBucket, JIRA, Jenkins, Confluence, Docker. • Good experience working with Tomcat, Jboss, WildFly • Experience working on Cloud technologies (AWS) • Experience using Apache Solr • Good Experience developing unit / integration test cases using Junit /TestNg. • Experience in Integration, Component and End-to-End Testing • Knowledge of Behavior Driven Development (BDD) for automated acceptance tests • Good ability to understand and work with code developed by other developers. • Very comfortable to work independently with minimal supervision Why me? -------------------------------------------------------------------------------------------- -Provide High Quality Services -Delivers Bug Free Code -Good Listener and Great Communication Skill. -Uses Latest technology for Development. Services I provide ---------------------------------------------------------------------------------------- *Software Development *Web application, Development & Maintenance *Creating Template and Reports *Finding Bug and Resolve. *Solve Assignments and Programming Problems. I would be happy if employed by you and will work to the best of my ability.
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    RESTful Architecture
    RESTful API
    Microservice
    EJB
    Jakarta Server Pages
    Web Service
    Spring Boot
    Spring Framework
    JavaFX
    Swing
    Git
    Java
    JavaScript
    MySQL
  • US$40 hourly
    Previously - Lead UX Designer at Calendly. I'm a multi-disciplinary designer and creative technologist with expertise designing and prototyping human-centered user experiences. I drive value by inspiring teams with passion and vision while designing and implementing beautiful, simple, and top-notch user experiences. I bring deep experience with every stage of the design process including strategy, user research, customer journeys, personas, conceptualization / ideation, sketching, wireframing, prototyping, usability testing, and visual design. ✅ +8 years experience in digital ✅ Best practices ✅ Swift response and communications. ✅ Always listen to your requirements and wishes I design for: 🏭 Tech companies 🏠 Small & Medium businesses & Enterprises 🏢 Startups 💎 Result-oriented and highly motivated Interface Designer with over eight years experiance with huge brands and companies from over than 20+ countries of the world. I know my business and always take the lead in work. Each solution that I suggest is based on facts, data, and real experiance. I will always have interesting solutions for your project, using the latest design trends. ⭐️ My Clients: Nespresso, Man (tracks & logistics), EasyCoin, Toyota, Reebok, nClouds, Wis Software, nOps, Clockwise, Curve, Intellect, Lambda Team, Danske Bank, Nurravine, Italic, 247-style and others. 🔥 Need hight-motivated, result-oriented, 100% quality, cost-effective Visual designer or UX/Ui designer? I'm glad to provide the best communication, best practies, best solutions. I am always building strong communication between brands/companies and their customers. I'm always available to help engage the best result forming strong relationships with you. MY SKILLS 💎 Art Direction & Product Owner 💎 Wireframes & Prototyping & Mockups 💎 UX Audit & UX Report & Usability testing 💎 User Research & User Flow 💎 User Interview 💎 Web design & Mobile Design (UI/UX) 💎 SaaS Design 💎 Design systems for enterprise MY PROCESS 🔶 1. Discover The first part of my process is about learning all about your product. 🔶 2. Strategy Next, I determine the best way to meet the design goals of your brand strategically. 🔶 3. Design The design phase is was I build out the usage guidelines, user experience and prototype the product. 🔶 4. Deliver Finally, I package it all up and deliver the product to you. On time and budget Let's build long-term business relationships. TOOLS I USED: 🔷 SketchApp 🔷 Principle 🔷 Figma, Framer 🔷 Flinto 🔷 Invision & Marvel 🔷 Adobe Illustrator 🔷 Adobe Photoshop 🔷 Adobe After Effects 🔷 Zeplin WORKING WITH ME MEANS THAT YOU: ✅ Have a person who cares about the result ✅ Don't waste time on micromanagement ✅ Can trust real expert experience ✅ Can rely on me all the time ✅ Enjoy working Design Lead, Design director, UX/UI, Brand Identity 🇺🇦 I Work in my office, Monday-Friday 9 am-8 pm (GMT +2) Looking forward to work with you! Updated: 7 June 2023 —————————————————————— Keywords: User Interface, User Experience, Design Thinking, Interaction Design, Designer, UI, UX, Web-design, Mobile Design, Mock-up, Design Expert, Design Gugu, App Design, Application design, platform design, Adobe, Photoshop, Illustrator, Graphics, Graphic Design, Visual Design, Creative, Material Design, Guidelines, Android, iOS, Desktop, iPhone, Application, Usability, Website, Logo, Logotype, Responsive, Adaptive, Website Prototyping, Wireframe, Update, Solutions, Long term, Effective, Productive, Experienced, Job, SAA
    vsuc_fltilesrefresh_TrophyIcon JavaServer Faces (JSF)
    Requirement Analysis
    Product Photography
    SAS
    SaaS
    User Experience
    User Experience Design
    UI/UX Prototyping
    User Interface Design
    UX & UI
    Web Design
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At A Glance: JavaServer Faces (JSF)

Technology is the driving force of the modern world. From Beijing to Seattle, most individuals have hundreds if not thousands of interactions with technology on a daily basis. These interactions can include everything from skimming the morning headlines on a smartphone over breakfast to streaming television from a laptop computer or game console after a day’s work. The majority of modern workplaces, too, are highly dependent upon technology and devices such as computers and their software and applications. Throughout all of these interactions, individuals encounter and rely upon a device or application’s user interface (UI). The UI determines the user’s first impression, as it is the first aspect of an app or piece of software with which they interact. A well-designed user interface can make all the difference in determining the success of an app, particularly considering the fact that consumers often formulate opinions of applications within a few seconds. A UI expert, such as a JavaServer Faces (JSF) specialist, can create a dynamic user interface that will help your business attract new clientele and ensure loyal patrons stay satisfied. JSF is used for building component-based UIs for web applications, and makes it possible to create rich and easily accessible user interfaces. JSF also supports multiple output formats, meaning it’s quite versatile and adaptable.

An expert in JSF, such as those you’ll find on Upwork, can assist you in developing a unique and innovative user interface that will help your business keep in step with ever-evolving technological trends.

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