Hire the best Java EE developers

Check out Java EE developers with the skills you need for your next job.
  • $50 hourly
    About 30 years of experience on developing complex large-scale applications, REST APIs and microservices. Sound at designing and developing complex requirements as simply as possible — coding clean and well architected code following the latest best practices — resulting in neat and maintainable applications. About 14 years of experience on Java/Spring stack. Apart from client projects, also maintains open source libraries like Spring Lemon and CleanFlow, and blogs around advanced Spring topics. Sound communication and leadership skills. A self-starter with a great sense of ownership. Extremely dependable. Technologies worked on: Java, Spring Framework, Spring Boot, Spring MVC, Spring Security, Project Reactor, Spring Reactive WebFlux & Security, Kotlin, OAuth2, Spring Data, Spring Cloud, JPA/Hibernate, Postgres, MySQL, Oracle, SQL Server, MongoDB, Elastic Search, Neo4j, Apache Solr, Apache Kafka, AWS, Azure, JavaScript, C++, Python, Activiti BPMN, AWS, Pivotal Cloud Foundry, Google Drive API, JUnit, Mockito, TestNG, Spring MVC Test, RestAssured, Hamcrest, Selenium, HTML5, CSS, jQuery, AngularJS, Bootstrap, Knockout, GWT, Struts, Linux etc.
    vsuc_fltilesrefresh_TrophyIcon Java EE
    SQL
    Microservice
    Spring Boot
    Spring Framework
    Elasticsearch
    Apache Kafka
    RESTful Architecture
    Reactive Programming
    Kotlin
    Java Persistence API
    Spring Security
    OAuth
    Java
    JavaScript
    PostgreSQL
  • $45 hourly
    I have 14+ years of experience in web development, mobile development application. I have done many works with PHP and Java for web application especially with different MVC framework like CakePHP, Grails, Laravel, Ruby on Rails, CodeIgniter, Zend, Symfony, Yii and different CMS like concrete5, moodle, modX. I am highly experienced in any MVC Framework even with different programming languages. I am also internationally certified on Java. I have done android game application and android home widget application in Java. I have experience with many programming language like Python especially Pylons and Django web application, Ruby especially Ruby on Rails web application, Java with Grails including script languages such as ajax, json, javascript, xml, rss, xslt and flex for active script language and with content management systems. I have been using sql server, mysql, oracle, mongodb and sqlite3 for database. I have participated on National and International project. I have masters on Software Engineering.
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Concrete5 CMS
    RESTful API
    MongoDB
    PostgreSQL
    Spring Boot
    Java
    React
    Ruby on Rails
    PHP
    Python
    Grails
    Laravel
    MySQL
    CakePHP
    CodeIgniter
  • $40 hourly
    I'm a well seasoned full-stack developer with backend specialization and more than 4+ years of experience in Node.js, React.js, JavaScript, HTML5, CSS3, MySQL, MongoDB. My specialization is developing web applications from scratch with the focus on the code quality and flawless usability. My goal is to build applications that allow finding a product-market​ fit as fast as possible. I particularly enjoy working for solo entrepreneurs and startups who want to see their idea executed fast and effective. But also have experience working with big enterprises. I am very detail-oriented while remaining focused on meeting the deadlines. I don’t hesitate to take extra time at the beginning of every project to exchange ideas, listen and ask, in order to get the most accurate picture of what my clients want for their applications. My skill set: - AngularJS, Angular 6,7 - Node.js (Nest.js framework). - React.js, React. - HTML5/CSS3/Bootstrap. - RestAPI, Swagger. - Version control: Git. - 3rd party APIs. - Twilio, Google API integration. - Virtual environments and cloud services. Feel free to contact me about your project ideas!
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Ecommerce Website Development
    Angular 6
    NestJS
    Angular
    JavaScript
    HTML5
    Node.js
    AngularJS
    React
    CSS 3
  • $50 hourly
    I am an experienced and goal motivated software developer. I always use all my power to find and create the best possible solutions for my customers. I have been creating solutions for the back-end and front-end. But I prefer the back-end.
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Messaging Framework
    J2EE
    AWS Application
    Kotlin
    Hibernate
    Java
    Spring Framework
  • $50 hourly
    I am a Java Developer with 7+ years of professional experience in developing Web and Enterprise Applications using technologies like Java / J2EE, Spring, REST ,SOAP webservices, Struts, Hibernate, iBatis, JavaScript, jQuery. I have experience as a Full-Stack developer with more emphasis on the backend. I was part of the Order Management System team for Sears Holdings, which is the system which manages an order placed in Sears and Kmart sites till it is fulfilled to the customer, by communicating with multiple systems. Improved the efficiency of the orders sent to Kmart store system by designing and implementing a Merchandise Pickup subsystem which allows the orders to be held during the store closed hours. I was selected under Wipro Technologies' STAR Hire Program 2014. I was part of the team that designed and implemented a Dealer Management System for Mahindra & Mahindra, which is a centralized application that captures customer, vehicle and inventory information to facilitate better inventory management and provide visibility on dealer operations. I was also part of NextGen Medicare Advantage Team, which provides real-time eligibility and enrolment, member management, financial reconciliation and encounter data services to Medicare Advantage, compliant with CMS requirements.
    vsuc_fltilesrefresh_TrophyIcon Java EE
    AWS Fargate
    Object-Oriented Programming
    J2EE
    Android App Development
    SOAP
    Software Architecture & Design
    Docker
    PostgreSQL
    SQL
    Spring Boot
    MySQL
    Apache Maven
    Hibernate
    Java
    Spring Framework
  • $50 hourly
    With over 15 years of experience as a Senior JAVA/JEE developer, I've contributed to a diverse range of projects spanning telecom, e-commerce, science, education, and CRM domains. As a backend developer, I excel in utilizing technologies such as Java, Spring, Hibernate, and Docker to deliver robust solutions. I'm well-versed in cloud platforms like Google Cloud and AWS, and proficient in CI/CD pipelines using Jenkins and GitLab CI. On the frontend, I specialize in frameworks like Angular and React, crafting responsive user interfaces with HTML, CSS, and JavaScript. My expertise extends to tools like ExtJs, Typescript, and JQuery, enabling me to create dynamic and intuitive user experiences. Certified as a Solutions Architect Associate and a Sun Certified Web Component Developer for the Java Platform, Enterprise Edition 5, I bring a wealth of technical knowledge and a proven track record of success to every project. I thrive on tackling complex challenges and delivering innovative solutions that exceed expectations. Let's collaborate to turn your ideas into reality and drive your business forward with cutting-edge technology solutions.
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Google Cloud Platform
    AWS Application
    React
    Angular
    Cloud Architecture
    Solution Architecture
    Java
    RESTful Architecture
    Microservice
    Hibernate
    Spring Framework
    AngularJS
    Apache Struts
    Ext JS
    JavaScript
  • $25 hourly
    I am working as a senior JAVA developer. I have more than 10 years of software development experience. I have the vast experience in the following fields a) Design and development of enterprise level applications b) Web services and message queues (both restful and Soap) c) Reporting frameworks d) Test Driven development e)Relational and NoSQL databases f) Data Integration tools ie. SSIS I believe in the client satisfaction and quality of services.
    vsuc_fltilesrefresh_TrophyIcon Java EE
    BIRT
    SQL Server Integration Services
    J2EE
    RESTful API
    Spring Framework
    Jakarta Server Faces
    MongoDB
    JasperReports
    Hibernate
  • $35 hourly
    👋I am React.js and React Native Expert with 5+ years of development practice. I've also been working with Flutter for 2 years. My expertise is building high-quality Web and Mobiles Applications using React Framework. My background ranges from frontend coding to building backends that use cloud services, RESTful API, Firebase, etc. Regardless of the type of the project​, my aim is to create scalable and flexible applications with ​​clear and extensile codebase. Skillset: - Flutter | React Native | React Navigation - React.js | Redux | Redux-Saga. - UI with Storybook. - Node.js | Firebas. - GraphQL | Apollo | Realm. - HTML5 | CSS3 | SASS | LESS | Bootstrap. - MySQL | PgSQL | MongoDB. I am always open to new ideas and like solving challenges. Don’t hesitate to contact me regardless of project complexity you need!
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Flutter
    React Native
    Web Development
    React
    Node.js
    HTML5
    JavaScript
    CSS 3
    Angular
    TypeScript
  • $40 hourly
    Hello, I’m Siddique, a Software Developer with more than 15 years of valuable experience working on a variety of different mediums and projects. As an Architect Level Senior Software Engineer, I bring a complex, layered knowledge of the industry that allows me to develop and create assets and projects that exceed the average freelance output. I believe that my business is based on client happiness, and as such, I’ve worked to make sure I can offer the most and highest quality services available in software development. These services include (but are not limited to): ● PHP and Laravel Applications ● Nodejs and Reactjs applications ● Development and Integration of APIs ● E-Commerce Applications ● Web Development ● Backend development ● Deployment ● Integrations ● And Much More! Ultimately, I want to offer you an experience that not only gives you what you want, but makes you want to come back. I’m always talking with clients throughout a project, and maintain honesty on all budgets and timelines to ensure there are no surprises or false expectations. So, feel free to look into my portfolio or reviews, both of which I’m proud to display. Other than that, I hope to hear from you soon, and can’t wait to work with you!
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Facebook Development
    Ecommerce Website Development
    Laravel
    Amazon Web Services
    PHP
    Node.js
    ExpressJS
    React
  • $25 hourly
    With a rich journey as a full-stack developer since 2011, I bring a blend of responsibility, punctuality, and a mindful approach to your projects. I'm on the lookout for engaging opportunities, whether short-term or long-term, where I can leverage my knowledge and skills to contribute to the growth of your business. 🅺🅴🆈 🆂🅺🅸🅻🅻🆂 𝗕𝗮𝗰𝗸-𝗲𝗻𝗱: ✔PHP, Java SE | EE ✔Amazon Web Services, Laravel, WordPress, Symfony, Codeignitor, Spring MVC, Spring Boot, Bash scripting, NodeJS, Serverless Apps, Microservices, Shopify, Python, React, OpenAI 𝗙𝗿𝗼𝗻𝘁-𝗲𝗻𝗱: ✔JavaScript, ReactJS, AngularJS, VueJS, Thymeleaf, JSTL, JSP, jQuery | jQuery UI | Bootstrap, HTML | CSS 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲𝘀 / 𝗦𝗲𝗮𝗿𝗰𝗵 𝗘𝗻𝗴𝗶𝗻𝗲𝘀: ✔MySQL, DynamoDB, MongoDB, SphinxSearch, ElasticSearch, Apache Solr 𝗦𝗲𝗿𝘃𝗲𝗿𝘀 & 𝗗𝗲𝘃𝗢𝗽𝘀: ✔Nginx, Apache, Apache Tomcat ✔Git, Maven, NPM 𝗖𝗜/𝗖𝗗 𝗧𝗼𝗼𝗹𝘀: ✔Jenkins, Bitbucket Pipelines, Travis, GitHub Actions 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗣𝗿𝗼𝗰𝗲𝘀𝘀 [𝗔𝗴𝗶𝗹𝗲]: ✔Daily Standups, Backlog grooming, Demo Meeting, Retrospective Meeting, Sprint Meeting 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 𝗧𝗼𝗼𝗹𝘀: ✔JIRA, Trello, Redmine, Asana 𝗢𝘁𝗵𝗲𝗿 𝗧𝗿𝗮𝗶𝘁𝘀: ✔Strong grasp of OOP, Design Patterns, and solid principles following PSR Coding Standard ✔Expertise in Dropshipping, eBay API, Bash Scripting, Web Scraping, Custom Linux Services, Web Crawling, and more ✔Extensive experience in Amazon Web Services EC2 / ELB / EBS / S3 / SAM / MWS / ad API / Lambda / Rekognition, and DevOps I am a hard-working, communicative, and self-motivated professional with a keen eye for detail. My focus is on delivering top-notch, budget-friendly, and schedule-compliant software in high-paced and testing environments. If you're seeking a complete package for your projects, feel free to drop me a message. Looking forward to contributing to your success.
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Ecommerce Website Development
    Ecommerce
    MERN Stack
    MEAN Stack
    Ruby on Rails
    Node.js
    Python
    PHP
    JavaScript
    Laravel
    Amazon Web Services
    WP Rocket
    React
    WordPress
    Software Architecture & Design
  • $20 hourly
    I am a Top-rated JavaScript, React.js, HTML/CSS freelancer with numerous 5-star reviews, including overly positive feedback. Ready to take care of your project. What I will bring to the table: ✅ Frontend Frameworks & Libs: React.js (versions: 16,17 and 18), Vue ✅ Responsive HTML-coding: HTML5/CSS3, SCSS, Flexbox, Grid ✅ State management libs/patterns: zustand, jotai, MobX ✅ UI libraries: Tailwind, Bootstrap, NextUI, daisyUI, Foundation ✅ Backend stack: Node.js, Express.js, MongoDB (Learing now) ✅ Authorization with JWT ✅ Experience with GIT and Vercel deployment ✅ Worked in teams with SCRUM/Agile methodologies Why you should choose me: ✅ Passionate about my work. ✅ Strive to meet deadlines. ✅ Extremely responsive and keeping all lines of communication. ✅ Kindness and politeness towards my team members. I've worked on both simple and complex projects ranging from SPA to EA developments to illustrate some of them: ✅ Foreign Currency Exchange ✅ Real Time Weather App ✅ Movie App ✅ Online Blog ✅ Summer Catchers Let’s build a fruitful collaboration!
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Figma
    PSD to HTML
    Bitbucket
    Vue.js
    AJAX
    jQuery
    Zurb Foundation
    Web Development
    Git
    JavaScript
    Bootstrap
    CSS
    HTML
    React
  • $30 hourly
    Full Stack Developer with experience analyzing problems, gathering requirements and providing solutions by developing web applications or other services and functions. Experienced in front end development, back end development and even data engineering. Reliable for critical thinking, and analyzing and formulating logic to be integrated into the applications.
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Web Development
    AngularJS
    HTML
    React
    Web Application
    JavaScript
    Angular
    CSS
    SQL
    Kubernetes
    API
    Spring Framework
    MySQL
    Spring Boot
    Java
  • $46 hourly
    I am a System's Engineer living in Argentina and I have been working as a Senior Software Engineer for the past 9+ years. These are some projects I have worked on: jBilling: Canadian company that has a Complex Billing System ideally for Telco companies or any company that sell services based on subscriptions. Stack: Java J2EE, Grails, Hibernate, Spring, Hbase, Hadoop, ActiveMQ, RabbitMQ, Apache Velocity, Jasper Report, jQuery, HTML, CSS and PostgreSQL Taaxii: Argentinean Company that has a solution for Travel Logistics for Company Employees. Stack: Java J2EE, Hibernate, GWT, Ibatis, Android, iOS, MySQL, AWS EC2, AWS S3, AWS RDS and Other AWS Services. Evolticom: Sweedish Company that had a CRM Web Solution. Stack: Grails, Bootstrap and PostgreSQL. DXC: Former HPE area where I worked with them to implement jBilling for the City of Dubai. FusionSleep: US Company that had a solution to control Truck drivers sleep behaviors. Stack: Grails, HTML, CSS and PostgreSQL. Autoentrada: Argentinean Company with a web solution for selling theater tickets online. Stack: Java J2EE, Struts, Ibatis, Jasper Report, HTML, CSS, PostgreSQL. Workia: Argentienan Company specialized in Human Resources Management. Stack: Java J2EE, Spring Boot, Angular JS, Microservices, HTML, CSS. SouthWest Airlines: Main US Low Cost Airline Company. I was involved in migrating existing applications to Java Web based solutions. Stack: Java J2EE, Spring, Spring MVC, Hibernate, HTML, CSS, Grails. Main roles and responsabilities I was involved in these projects: Analysis, Technical Design, Development, Testing, Team Leader, Technical Leader, DevOps.
    vsuc_fltilesrefresh_TrophyIcon Java EE
    iOS Development
    SQL Programming
    J2EE
    Android
    Java
    Grails
    Hibernate
    jQuery
  • $27 hourly
    15K Hours ll $200K Earned ll Top Rated Plus Hello, I am Mohit Mali. I have 8+ years of experience in Web and Mobile platforms. For the last 3+ years, I have been working as a project manager too. To date, I have created over 50+ products and apps, most of which required, extensions, and UI themes. My aim has always been to produce apps that look beautiful and professional, are highly functional, load quickly, and are highly optimized. If this is what you want, then get in touch with me.
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Serverless Stack
    UI/UX Prototyping
    GitLab
    Internet of Things
    JSON
    AWS Lambda
    Blockchain Development
    Serverless Computing
    Jakarta Server Pages
    Technical Project Management
    Docker
    Front-End Development
    GitHub
    Android SDK
    Mobile App Development
    Android App Development
    Java
  • $77 hourly
    Elevate your Enterprise or Startup projects with premier Full-stack Software Development and Data Engineering/Science services. As a seasoned expert in seamlessly integrating frontend and backend solutions, I offer a comprehensive skill set to enhance your digital infrastructure and data analytics capabilities. Skills and Technologies: - Cloud: AWS, GCP, Azure, Others - Python: FastAPI, Flask, LangChain, Django, Dash, Pandas, Polars, TensorFlow, PyTorch, CUDA - JavaScript/TypeScript: Node.js, React, Vue, Next.js, GraphQL - JVM: Java/Spring, Groovy, Scala. - DevOps & Serverless: Kubernetes, Terraform, CDK, CI/CD pipelines, Jenkins, GitHub Actions - Security Frameworks: NIST, PCI, SOC2, CIS, GDPR, HIPAA regulations - Database & Big Data: SQL, DynamoDB, PostgreSQL, MySQL, Apache Spark, Flink, Hadoop, Redshift, BigQuery, Snowflake, Cassandra, Druid, Kafka Partner with me to leverage these advanced technological skills and drive your enterprise to the forefront of innovation and efficiency. Let's create something remarkable together.
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Big Data
    Terraform
    AWS Glue
    Django
    Golang
    Google Cloud Platform
    Git
    GraphQL
    DevOps
    JavaScript
    React
    Flask
    Machine Learning
    Python
  • $26 hourly
    I pay attention to details and strive to ensure a great communication. If we work, you can count on me. Top technologies I've recently used, am good at and would like to work with: Front-end: - Redux, Redux Toolkit - RTK Query, SWR, Apollo GraphQL Client - React: -- Next.js (both App and Pages routers) -- CRA, React Router - CSS Modules, Tailwind CSS (also Headless UI and Tailwind UI) Back-end: - Nest.js (for both RESTful and GraphQL APIs) - TypeORM, Prisma - Apollo GraphQL Server Tools: - VS Code, Git, Nrwl Nx - Reverse proxy: NGINX - Automation: Docker, GitHub Actions - Testing: Jest Infrastructure: - DBs: PostgreSQL, Redis, Mongo DB, Neo4j - PaaS: Digital Ocean, AWS, Heroku, GCP, Vercel, Ionic Appflow
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Apollo.io
    API Development
    NestJS
    Tailwind CSS
    API
    TypeScript
    Node.js
    React
    RESTful API
    GraphQL
    Next.js
    Docker
    JavaScript
    PostgreSQL
    Redis
  • $37 hourly
    Hi everyone! I am an Oracle Certified full-stack Java developer with huge experience writing secure code. I have been working on banking software for one of our local banks in Ukraine for more than 9 years. And it’s not a single experience I have, also I have worked on eCommerce projects, and participated in the development of hiring platforms, and tools for the CA Gen environment. My main goal is to create long-term relationships with my clients and build qualitative and reliable applications. I like to learn new technologies and move on with the latest trends in IT industry. I am an easy-talk-to person and think that communication is important in the development field. Feel free to message me, I will be glad to answer all your questions! These are my key skills: Backend: Java 6+, JavaEE, JavaSE Spring (Spring boot, Spring JPA, Spring data, Spring security and other Spring modules) Hibernate SQL DBs (MySQL, Oracle, PostgreSQL, SQLite) Non SQL DBs (Redis, Mongo) Elastic (full-text search and complicated full-text search) Amazon S3, AWS Thymeleaf Jasper Report jBOSS JBPM JUnit Frontend: ZK Ajax JSP, PrimeFaces HTML, XML Groovy Angular React Others JavaFX Git, SVN Docker SDK Eclipse/IntelliJ Idea Have a nice day!
    vsuc_fltilesrefresh_TrophyIcon Java EE
    ZK Framework
    J2EE
    WildFly
    Hibernate
    JasperReports
    Apache Groovy
    Spring Framework
    Java
    PrimeFaces
  • $23 hourly
    💪 7000+ HOURS WORKED | 💰 $200K+ Earned | ✔️ 5★ Review | 👷 30+ Jobs ✔️ Worked with Top 500 companies ✔️My Professionalism = Your Competitive Advantage! ✔️Upwork Top Rated Plus Developer ✔️100% Job Success ✅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, Healtcare, 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 Have a project to discuss? Let's connect!!
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Cache Management
    Apache Kafka
    Spring Framework
    JavaScript
    Hibernate
    Redis
    PostgreSQL
    MySQL
    MongoDB
    Node.js
    React
    Angular
    Kotlin
    Java
    Spring Boot
  • $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 Java EE
    Cloud Computing
    DevOps
    Microsoft Azure
    Amazon Web Services
    CI/CD
    RabbitMQ
    SQL Programming
    Hibernate
    Microservice
    RESTful API
    Spring Security
    Spring Boot
    Spring Framework
    J2EE
    Java
  • $25 hourly
    I have ample experience with blockchain as a backend and front-end designer and have broad and robust involvement with the plan and improvement of big business and fin-tech frameworks. I've rich experience with DeFi lending protocols that power many of today’s yield farming ventures and are considered a relatively safe and tested way to make extra income on crypto-assets. My experience includes crypto exchanges, Dapps, Solidity & Ethereum, as well. API : inrura.io, binance.com,poloniex.com, bitfinex.com,coinbase.com, kraken.com, cex.io, coinmarketcap.com, uniswap.org, aave.com The crypto exchanges, blockchain forks, tokens creation (ERC-20, ERC-721 NFT BSC), Forking, intelligent contracts, DeFi and Ethereum mass payment tools with low gas consumption, NFT Platform , Defi/dapp Development. Have also worked on FLOW/ WAX Blockchain network and created various NFT platforms which include decentralisation network setup, smart chain. - NFT marketplace Development - Crypto wallet development - Defi/Dapp Development, Smart contract, Ethereum ERC721, ERC1155 - Cryptocurrencies API: all kinds of BCT and ETH, LTH ... - Bitcoin-QT - Wallets API: Trezor, Ledger Nano S (ETH) ... - Exchanges: Cexio, BitMex, Bittrex ... - Integrated with BSC , Ethereum and other network setup - DeFi Consulting (swaps, liquidity pools, borrowing and lending, yield farming, impermanent loss, governance tokens) - AMM DEXs (Liquidity, PancakeSwap, Uniswap, Curve, Balancer, SushiSwap, etc) - NFTs (ERC-721, ERC-1155, Flow, BSC, Polygon, Rarible, Opensea, Nifty, etc) - SSI and identity solutions, attestation and verification - Exchanges, mining - Marketplaces and ecosystems - Token standards (ERC, BEP) The segment have worked and developed 1) Worked with Mobile app development where integrate with different Blockchain Network 2) Integrated with BSC , Ethereum and other network setup 3) Wallet creation and crypto coin Management 4) NFT management on mobile app 5) Blockchain transaction management 6) Fin-tech Management and trading apps - DeFi Consulting (swaps, liquidity pools, borrowing and lending, yield farming, impermanent loss, governance tokens) - AMM DEXs (Liquidity, PancakeSwap, Uniswap, Curve, Balancer, SushiSwap, etc) - NFTs (ERC-721, ERC-1155, Flow, BSC, Polygon, Rarible, Opensea, Nifty, etc) - SSI and identity solutions, attestation and verification - Exchanges, mining - Marketplaces and ecosystems - Token standards (ERC, BEP) My Blockchain Skills include: ====================== - Smart Contract Development - Smart Contract Audit, - ICO and Token Implementation, - ERC20 and ERC721 Token Standards, - Smart Contract Consulting, - General Smart Contract Implementation, - Consulting in the area of Ethereum Blockchain, - Project and Product Management. I have a broad skill set ranging from full-stack development and distributed computing to blockchain technologies with extensive experience in Java and Node.js ecosystem. TECH STACK : Language: MEAN | MERN | Solidity | Python | Golang | Javascript | Php | Go Blockchain: Web3, Solidity, Infura, Truffle, BTC, ETH, Hyperleadger Wallets & Clients MEW, Geth, Parity, Mist, Metamask, Ganache Hands-on experience in Java/C++/Node/Golang. Application development and systems implementation. Blockchain research, understanding and solution development. Experience in NodeJS, GIT repositories, open-source tools & Technologies. Excellent understanding of Blockchain technology, cryptocurrencies (BTC, ETH, TRON, EOS & others), various consensus protocols. Experience in development on one of the Blockchain platforms like Hyperledger, Ethereum, R3 Corda, Ripple, Bluemix, Rubix. Experienced in the development of applications using distributed applications framework like Meteor, Multichain, etc. Basic understanding of cryptography, symmetric/asymmetric (public/private key), hash functions, encryption/signatures. Area of Expert : P2P Trading [LBC Concept] P2P Lending Centralized Trading & Exchange DEX -ETH & EOS Protocol DAPP Development DAPP Games Development [TRON, EOS, ETH Network] Tokenization Platform development ICO/IEO/STO End to End development Whitepaper Consultation Cryptocurrency Development IPFS Application development
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Crypto Wallet Development
    DApps
    DevOps
    React Native
    iOS
    web3.js
    Blockchain
    Smart Contract
    Blockchain Platform
    Solidity
    DApp Development
    Cryptocurrency
    Blockchain Architecture
    Metaverse
  • $60 hourly
    Hello , I'm a Doctor specialized in Semantic web Technologies(XML,RDF,Ontology,...),.  I have experience with : - Algorithms and programming ( Web, Desktop & utilities ): with good experience with many programming languages: R, Java, JEE (JSP,Servlet,JSF,Primfaces,Richfaces), Javascript, Python, ... - Certificate of Specialization in Data Science and Big Data Analytics: statistics, data mining and machine learning algorithms. ( classification, clustering, prediction, & regression) - Web Scraping: Data Extraction from web pages. -Semantic Web Technologies: JENA Framework,OWL API, SPARQL,NEO4J,Database to Ontology Construction (D2R, R2O, Relational.OWL,Triplify,...). - Servers & Networks administration : VPS management, service configuration(dns,web, ..), Database management (SQL & NoSQL), Web hosting,... feel free to contact me. I always provide support after the contract ends! Regards.
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Neo4j
    NodeJS Framework
    MongoDB
    JavaScript
    Knowledge Representation
    Data Analysis
    Big Data
    SPARQL
    RDF
    Graph Database
    OWL-S
    Knowledge Graph
    Ontology
    Machine Learning
    Natural Language Processing
  • $35 hourly
    IT Specialist with over 15 years of experience in a variety of organizations . Committed to continuous learning to ensure my skills are up to date, flexible and organized, with ability to work effectively. Excellent contributor as part of a team and proven ability to work on own initiative.
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Flutter
    Spring Boot
    Linux System Administration
    Jakarta EE
    Vaadin
    PrimeFaces
    Bash
    PostgreSQL Programming
    TypeScript
    Angular
    Ansible
    Android
    Database Architecture
    Java
    PostgreSQL
  • $60 hourly
    I have more than 15 years experience in software development including design, coding, refactoring and documentation. Strong analytical and problem solving skills. Fluent in OOP, design patterns, functional/reactive programming, full stack web programming, microservices, MVC, GUI frameworks, databases, web sites, blockchain and cryptocurrency technologies. Proficiency with: Java, J2EE, Spring, Spring Boot, JSP, JavaScript, .Net, C#, JQuery, React JS, Vue.js, Node.js, Express, HTML5, C/C++, PHP, Python/Flask, Rust, SQL, Amazon Web Services - VPC, EC2, ECS, ALB/NLB, RDS, IAM, S3, SQS, SNS, SES, Alexa, LEX, CDK, DynamoDB, Cloud Formation, Terraform, Lambda, API Gateway, Cognito; KNIME, Wordpress plugins, Google Cloud Services, DigitalOcean, social integration - Facebook, Twitter, Google, Dream Factory, Ansible, Docker, Apache, GlassFish, Tomcat, Nginx, Ethereum, Web3.js, MySQL, PostgreSQL, SQL Lite, SQL Server, Oracle, Neo4j, Eclipse, Visual Studio, NetBeans, Git, Bash, Linux, Windows.
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Rust
    .NET Framework
    RESTful API
    Spring Framework
    React
    Amazon Web Services
    Node.js
    Python
    PHP
    C++
    Java
    JavaScript
  • $30 hourly
    Specialize in Java JEE technology along with BPMN, business processes, and its implementation. A Java / J2EE Architect having a decade of software development experience, including software analysis, design and leading software development teams. Have certifications of ServiceNow , Java, and OOP. Expertise in the following technologies: - Java, J2ee and Node.js - Spring Boot - ServiceNow - BPMN - Embedded Systems - CRM - Hibernate, JPA, Mybatis - Angular, Vue, React - Docker and Kubernetes - Documentum Business workflows [EMC product] - Camunda - Android and iOS - Web Services - Rule Engine. (Bea weblogic, drool ) - Object-Oriented Analysis using UML (IBM Certified) - JAVA Certified (Oracle Certified) - Web Component Certified (Sun microsystem) - Jira, MS Project
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Elasticsearch
    Odoo Development
    Appian BPM Suite
    Odoo
    Embedded System
    ServiceNow
    Business Process Model & Notation
    Kubernetes
    Web Services Development
    Docker
    J2EE
    Spring Boot
    Android
    Java
  • $25 hourly
    ⭐ Upwork TOP RATED PLUS Authorised Contractor (99% Job Success). ⭐ 10+ years of working experience on high-demand CMS. ⭐ 26K+ Hours of Work and $500K+ Total Earnings. ⭐ Can dedicate over 40 hours per week to your project, ensuring timely delivery. ⭐ Excellent communication skills (Written & Verbal). Working on eCommerce platforms like: ⭐ Shopify 2.0 | Shopify Plus ⭐ BigCommerce ⭐ WordPress & WooCommerce I’m responsible, careful to details, and focused on to best results. Best Regards, Happy Kumar
    vsuc_fltilesrefresh_TrophyIcon Java EE
    SEO Keyword Research
    Search Engine Optimization
    Shopify Apps
    PSD to HTML
    API Development
    Mailchimp
    Klaviyo
    AJAX
    Webflow
    Shopify Plus
    Shopify Templates
    BigCommerce
    JavaScript
    Shopify
    PHP
  • $40 hourly
    One of the Top- rated developers on Upwork with a “𝐓𝐎𝐏 𝐑𝐀𝐓𝐄𝐃 𝐏𝐋𝐔𝐒” badge and 99+ job success rate. I have completed 𝟒𝟎𝟎+ 𝐩𝐫𝐨𝐣𝐞𝐜𝐭𝐬 over the last 8 years, which include Salesforce and HubSpot consultation, development, customization, Integration and complete implementation to small bug-fixing jobs. The project length does not matter to me, 𝐌𝐲 𝐦𝐚𝐢𝐧 𝐦𝐨𝐭𝐭𝐨 𝐢𝐬 𝐭𝐨 𝐡𝐞𝐥𝐩 𝐦𝐲 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐚𝐜𝐜𝐨𝐦𝐩𝐥𝐢𝐬𝐡 𝐭𝐡𝐞𝐢𝐫 𝐠𝐨𝐚𝐥𝐬. So, I am ready to take care of your project. Over the last 8+ years, I have implemented every aspect of Salesforce and HubSpot – 𝐒𝐚𝐥𝐞𝐬 𝐂𝐥𝐨𝐮𝐝, 𝐌𝐚𝐫𝐤𝐞𝐭𝐢𝐧𝐠 𝐂𝐥𝐨𝐮𝐝, 𝐒𝐞𝐫𝐯𝐢𝐜𝐞 𝐂𝐥𝐨𝐮𝐝, 𝐂𝐨𝐦𝐦𝐮𝐧𝐢𝐭𝐲 𝐂𝐥𝐨𝐮𝐝, 𝐏𝐚𝐫𝐝𝐨𝐭, 𝐂𝐮𝐬𝐭𝐨𝐦 𝐈𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧, Third-party Integration, Data Migration, Customer Portals, Force.com Sites, Salesforce Lightning and AppExchange App Development. I possess extensive expertise in various aspects of HubSpot, including 𝐒𝐚𝐥𝐞𝐬 𝐇𝐮𝐛, 𝐌𝐚𝐫𝐤𝐞𝐭𝐢𝐧𝐠 𝐇𝐮𝐛, 𝐒𝐞𝐫𝐯𝐢𝐜𝐞 𝐇𝐮𝐛, 𝐚𝐬 𝐰𝐞𝐥𝐥 𝐚𝐬 𝐇𝐮𝐛𝐒𝐩𝐨𝐭 𝐂𝐌𝐒. My skills encompass Web Designing, Email Template Designing, KPI Setup, Third-party App Integration, and Data Migration. 𝐌𝐲 𝐒𝐤𝐢𝐥𝐥𝐬 𝐚𝐧𝐝 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 𝐢𝐧𝐜𝐥𝐮𝐝𝐞: • Proficient in comprehending high-level project specifications and strategizing project implementation approaches. • Customization of standard logic and pages. • Set up workflow and approval processes. • Configure automation & Analytics • Integrations with 3rd-party services • Expert in data migration and management • Specialization in email template and landing page designing • Rich knowledge of Apex triggers and controllers. • Strong command of Lightning Web & Aura Components • Communities and Force.com site development with custom login forms and design. • Excellent in communication. • Expert in setting up data security and developing reports to visualize data on the dashboard. • Expert in CTI, Zapier, Docusign, Mailchimp, Quickbooks, and Stripe integration Independently, I have handled numerous projects from these varied domains for clients based out of the American, European, Asian, Australian and African regions. I have extensive experience with various multinational corporations. Delivering on-time quality products is the strength I value the most. 𝐑𝐞𝐦𝐞𝐦𝐛𝐞𝐫: 𝐖𝐡𝐚𝐭 𝐈 𝐩𝐫𝐨𝐦𝐢𝐬𝐞...𝐈 𝐃𝐞𝐥𝐢𝐯𝐞𝐫!
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Forecasting
    Automated Deployment Pipeline
    Process Development
    Salesforce CPQ
    Report
    Dashboard
    Pardot
    Salesforce Service Cloud
    Visualforce
    Salesforce Marketing Cloud
    DocuSign
    Salesforce Sales Cloud
    Apex
    Salesforce Lightning
    JavaScript
  • $119 hourly
    Skills: Ruby on Rails / Java / Android / PHP / Perl / C / VBA / SQL / Postgres / MySQL / MSSQL / HTML / JavaScript / CSS / AJAX / XML / Security / Encryption / Amazon Web Services / Heroku / Google AppEngine / GWT / AdWords / SEO - Search Engine Optimization / SEM - Search Engine Marketing / PPC - Pay Per Click Marketing / Cloud servers / VPS / Redis / New Relic / Cryptocurrency / Finance / Quantitative Analysis I'm a full stack developer and know how to run a business. You need only describe a high level overview of requirements without detailed specifications to get what you need. You will get my phone number for emergencies and email. I often fix things other developers have been unable to solve. I've created algorithmic trading systems and worked with large financial firms and small startups and created many apps. Some highlights: Employment: - Fortune Empire (Entrepreneur/investor network) - Onix Networks (Google Partner) - Bloomberg - Etrade Financial - Equametrics (Algorithmic trading platform) - SFS Capital (Financial business development corporation) - Verizon - AT&T Personal Projects: - Options scanner that sends trading signals via SMS - PairFinder (Android co-integrated stock app) - SpeedyReader (Android speed reading app) - OliveYou (dating website) - RealtyRally (wholesale investing listing service) - TygerTyger (social news site)
    vsuc_fltilesrefresh_TrophyIcon Java EE
    Bootstrap
    Amazon Web Services
    Test-Driven Development
    Android
    Ruby on Rails
    SQL
    PHP
    Java
    Perl
    C
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