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  • $60 hourly
    10+ years as Senior Java Engineer. Accenture, Credit Suisse & Unibet ex-employee. Skilled in Java 11, Spring Boot, REST APIs, Web Applications, Relational & NoSQL Databases, Scrum, AWS, Angular, Docker. I also worked as a consultant on complex projects for investment banks - Barclays Capital, Deutsche Bank and Citi. Great experience with: ⇨ Java stack: Java 11, Spring Boot, Spring Security, Spring Data, Spring MVC, Spring Cloud, JPA/Hibernate, Spring Hateoas ⇨ REST API: design and development, documentation (swagger) ⇨ Databases/ORMs: Oracle, MSSQL, MySQL, PostgreSQL ⇨ Messaging: JMS, ActiveMQ, Tibco, Kafka ⇨ NoSQL: MongoDB ⇨ AWS: EC2, S3, SQS, Route 53, IAM, Lambda ⇨ DevOps and Infrastructure: Bamboo, TeamCity, Linux, Docker, Docker Swarm, DockerHub, Ant, Apache Maven/Gradle, Jenkins, GitLab, GitLab CI, GitHub, BitBucket, Sentry.io, ELK, SonarQube, Git, SVN ⇨ Frontend: HTML/CSS, JavaScript, JQuery, Angular, npm, gulp ⇨ Other Java libraries: RestAssured, JUnit/Mockito/PowerMock, Lombok, FreeMarker/Thymeleaf/Velocity, DropWizard, Jackson/Gson
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    CI/CD
    Amazon Web Services
    Spring MVC
    Java Persistence API
    Hibernate
    API
    RESTful API
    SQL
    Docker
    Web Application
    AngularJS
    Java
    MySQL
    Spring Framework
  • $60 hourly
    I am TOP RATED, a strong Java and PHP developer from the United States. In the past, I worked for the biggest companies such as Oracle, Accenture, First Data, Barclays Bank, etc. I have 20+ years of experience in web development and I highly specialize in - Java (Java EE, Spring, Spring Boot, Spring Annotations, Spring MVC, Spring Security, JMS, Java Struts, Java Servlets, JSP, Hibernate, MyBatis, REST, ActiveMQ). - PHP (Laravel, WordPress) - Javascript (React, Angular, JQuery, Vue.js) - HTML, CSS, Bootstrap, Tailwind CSS - MySQL, Postgres, Oracle, NOSQL, MongoDB. - AWS, WildFly, Apache Tomcat I have built more than 200 systems and I am comfortable working with both existing and new projects. I helped hundreds of clients in their business and I am here to help you as well!
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Vue.js
    Web Service
    J2EE
    AngularJS
    HTML
    React
    Laravel
    PHP
    SQL
    Microservice
    Java Persistence API
    Spring MVC
    Spring Framework
    Java
  • $50 hourly
    I'm an Oracle-certified Java expert with much experience in backend technologies, including but not limited to Spring Framework, JPA, MongoDB, etc. I'm also an AWS-certified and Kubernetes-certified DevOps engineer; hence, I can help if you need additional infrastructure resources. With 15,000+ hours of work on Upwork alone, I believe I can make a meaningful contribution to your project. As a side note, if you do a Google search with the keywords "spring bean", "spring boot interview questions", or "maven integration testing", you'll find my writing at the top spots.
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Terraform
    Docker
    Web Service
    Hibernate
    RESTful API
    MySQL
    API
    Kubernetes
    Amazon Web Services
    Spring Framework
    Java
  • $22 hourly
    Java backend developer with strong expertise in: Backend: -Java 8+, JavaEE, JavaSE, Socket -Spring (Spring boot, Spring JPA, Spring MVC, Spring data, Spring security and other Spring modules) -Hibernate, JOOQ, JDBC -SQL (MySQL, MS SQL, PostgreSQL, SQLite) -NoSQL (MongoDB, Elastic, Redis, Firebase, Influx) -AWS (S3) -Migration (Liquibase, Flyway) -Thymeleaf -JUnit Frontend: -JSP, HTML, XML Others: -Git -Docker -Postman -IntelliJ Idea I'm very interested in solving various difficult tasks and am ready to deal with the most projects related to my stack, so do not hesitate to contact me!
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    MySQL
    Jakarta Server Pages
    Spring MVC
    JDBC
    Hibernate
    Java
    SQL
  • $40 hourly
    𝐖𝐞𝐥𝐜𝐨𝐦𝐞 𝐭𝐨 𝐌𝐲 𝐏𝐫𝐨𝐟𝐢𝐥𝐞! 𝐀𝐛𝐨𝐮𝐭 𝐌𝐞: I am a seasoned senior software engineer with a decade of hands-on experience in the software development industry. My forte lies in transforming concepts into robust software solutions that precisely align with customer requirements. Notably, some of the software products I've developed have been used by prestigious Fortune 500 companies, including Walmart and Mastercard. Throughout my career, I've honed my skills in developing applications that can seamlessly handle millions of users, mastering the art of scalability, robustness, and optimisation. ❇️ 𝗠𝘆 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲: My technical skills spans a wide array of technologies and frameworks: 🔷 Languages: Java, Spring Boot, Node Js, React JS, Angular and Python 🔷 Frameworks: Spring Boot, Nest Js, Express Js, Django 🔷 Clouds : AWS, Azure and GCP. 🔷 Databases: Sql Server, Mysql, MongoDB, Postgres 🔷 Web Designing : Html5, CSS3, Bootstrap, Material UI. While these are my primary areas of expertise, I'm always eager to embrace fresh challenges. As a software developer, I firmly believe in the power of adaptability to tackle diverse problems. 💫 𝗠𝘆 𝗧𝗿𝗮𝗰𝗸 𝗥𝗲𝗰𝗼𝗿𝗱: You can witness some of my success stories through the reviews on my Upwork profile. I'm keen to schedule a call to explore how I can contribute to your vision. Thank you for considering me for your software development needs. 🔔 𝗜𝗳 𝘆𝗼𝘂 𝗵𝗮𝘃𝗲 𝗮𝗻𝘆 𝗾𝘂𝗲𝘀𝘁𝗶𝗼𝗻𝘀, 𝗳𝗲𝗲𝗹 𝗳𝗿𝗲𝗲 𝘁𝗼 𝗰𝗼𝗻𝘁𝗮𝗰𝘁 𝗺𝗲! 𝗟𝗲𝘁'𝘀 𝗰𝗼𝗹𝗹𝗮𝗯𝗼𝗿𝗮𝘁𝗲 𝗮𝗻𝗱 𝗯𝗿𝗶𝗻𝗴 𝘆𝗼𝘂𝗿 𝗶𝗱𝗲𝗮𝘀 𝘁𝗼 𝗹𝗶𝗳𝗲!
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Apache Kafka
    Hibernate
    Spring MVC
    Unit Testing
    Python
    Automation Framework
    Cypress
    NodeJS Framework
    Spring Batch
    Microservice
    PostgreSQL
    MongoDB
    Docker
    Spring Cloud
    MySQL
    Jenkins
    React
    Java
  • $40 hourly
    Hello Upwork community! **Turning your ideas into reality with web applications that are functional and strategically designed for your success.** 🏆 Top Rated Plus Developer 🗂️ Tech Stack: Java, Spring Boot, NodeJS. React, VUE, Angular 💮 3000 plus hours worked I am a seasoned software developer with 10-plus years of experience with Java, Spring Boot, Spring Cloud, Spring Data, and Spring Security skills. With a strong foundation in backend development and microservices architecture, I excel in creating robust and scalable solutions for diverse business needs. Key Skills and Technologies: ✅Languages: Java, JavaScript (ES5/ES6), TypeScript ✅Full Stack: MERN Stack, MEAN Stack, PERN Stack, and PEAN Stack ✅Frontend: React, VUE, Angular, Redux, Ionic, Sass, Bootstrap, Material UI, Vuetify, ES lint, and JQuery. ✅Backend: Spring Boot, Node Js, Next Js, Nest Js, JPA, and Spring Cloud ✅Databases: SQL, Mongo DB, MySql, PostgreSQL, Mongoose, SQL Server, Views, Transaction Management. ✅DevOps:Docker, Microservices Architecture, Cloud Run, and Severless. ✅APIs: REST API, GraphQL, Firebase, Google API, Amazon Web Services, Google Cloud Platform. ✅Cloud: AWS - EC2, Serverless, Amplify, Cognito, CloudFront, Pipelines, Lambda, S3, OpenSearch,Google Cloud and Azure ✅Operating Systems: Mac OS, Linux (Arch Linux, CentOS, Ubuntu), Windows As a developer committed to continual learning and innovation, I am dedicated to delivering solutions that are not only technologically advanced but also strategically aligned with the latest industry trends. My goal is to create value for my clients by providing high-quality, future-proof solutions I look forward to the opportunity to discuss how my skills and the latest technological advancements can contribute to the success of your projects. Best, Junaid 😊
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    MEAN Stack
    MERN Stack
    Spring Cloud
    NestJS
    Full-Stack Development
    Web Development
    Web Application
    Nuxt.js
    Next.js
    React
    Angular
    Node.js
    Vue.js
    Java
  • $40 hourly
    🗒️ Overview: Java Software Engineer with more than 10 years in business application development with Java technology. Took part in successful projects in cartography, telecommunication, infrastructure areas. I specialise in creating scalable Java applications, and I'm passionate about solving complex problems through elegant and maintainable code. 💻 Technical skills: ✅ Object-Oriented Design ✅ Java ✅ Spring stack (Core, MVC, Batch, Boot, Security), JakartaEE(JSF, JSP, EJB) ✅ JPA, Hibernate ✅ Cloud (AWS, AWS Lambda, API Gateway, DynamoDB, EC2) ✅ JUnit, Mockito ✅ Maven, Gradle ✅ MySql, PostgreSQL, Oracle ✅ JavaScript, HTML, CSS ✅ ReactJS ✅ GIT, SVN 👨‍🎓 Education: ⭐️Master degree in Software Engineering from Yuriy Fedkovich Chernivtsi National University. 📄 Certificates: ⭐️Certified Oracle Certified Associate - Java
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Spring Framework
    API
    Apache Maven
    Hibernate
    SQL
    AWS Lambda
    React
    Core Java
    Java
    JavaScript
    Git
    MySQL
    Amazon DynamoDB
  • $23 hourly
    I am an innovative software engineer with experience in the full software development lifecycle. I have a proven track record of delivering next-generation applications and customizable solutions on time and within budget. I am known for my excellent troubleshooting skills, ability to analyze code, and ability to engineer well-researched, cost-effective, and responsive solutions. I am currently learning about cloud platforms like AWS and GCP with hands-on experience. I have learned to design and deploy applications for AWS for the past year, and I have migrated those applications without outages to Google Cloud. I am passionate about cloud computing and I am eager to learn more about how to use cloud platforms to deliver innovative solutions. I am a highly motivated and results-oriented individual with a strong work ethic. I am also a team player and I am always willing to help others. I am confident that I can make a significant contribution to your team and help you achieve your goals. Expertise Languages Java, C#, JavaScript, TypeScript Frameworks Spring Boot, Angular 2 or above, Node & ExpressJS, JavaFx, Android Native, .NET (WPF) Databases MySQL, MongoDB
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Amazon ECS
    API Integration
    Amazon Elastic Beanstalk
    AWS Lambda
    Amazon RDS
    Google Cloud Platform
    API
    Database Design
    RESTful Architecture
    MySQL
    JavaScript
    Java
    Angular
    Microservice
  • $15 hourly
    Professional Working Proficiency Stefan Ranin Software engineer Hard working software engineer with a great desire to learn and grow. Team player, enjoys working closely with others. More than 5 years experience with Java and its ecosystem.
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Terraform
    Mavenlink
    Linux
    CI/CD
    Hibernate
    Apache Camel
    Docker
    Java
    Jenkins
    Spring Framework
    Amazon Web Services
    React
    MySQL
    PostgreSQL
  • $30 hourly
    Mastery of software architecture and software development cycles. In-depth knowledge of the Java / JEE platform and the development of web applications. Mastery of JEE, Java, SOAP & REST web services, JPA, Angular,AngularJS, HTML5, Javascript, CSS 3, Bootstrap, Angular, Spring Boot,SpringBatch. Mastery of Docker , Docker Swarm , Microsevice architecture. Mastery of Java play framework. Mastery of framework Spring. Good knowledge of continuous integration implementation (Gradle,Maven, Svn, Git, Jenkins, Gitlab-CI). Good knowledge of TOMCAT, JBOSS. Good knowledge of database management systems: MySQL, ORACLE, POSTGRESQL. Quick learning ability of new languages and APIs. Experience in agile methodology. Ability to work independently and in a team.
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Oracle PLSQL
    Jakarta EE
    Microservice
    Angular
    API
    Apache Maven
    Continuous Integration
    Git
    Jenkins
    Java
    JetBrains IntelliJ IDEA
    Docker
    Linux
    PostgreSQL
  • $15 hourly
    15+ years of experience working as software engineer. Building Intelligent Solutions | Expertise in Full Stack Development & AI/ML I am a highly skilled Software Engineer with a proven track record as a Full Stack ML specialist. With over 15 years of experience, I have a strong foundation in building web and server applications using Java, Python, Node.js, React, and Vue.js. My passion for AI/ML drives me to deliver intelligent and impactful solutions to clients, helping them achieve their business goals. ⦿ What Sets Me Apart? • Versatility & Expertise: Proficient in multiple programming languages and web frameworks, I excel at Full Stack Development, allowing me to create robust and seamless applications. My deep understanding of Python, Java, React, Node.js, and more enables me to adapt swiftly to new technologies and frameworks. • AI/ML Innovations: My AI projects have showcased my skills in integrating AI/ML technologies, including OpenAI API, Langchain, Pinecone, scikit, and AutoGPT. I build full-stack ML projects to unlock data-driven insights and enhance user experiences. • Startup Catalyst: My extensive experience with early-stage startups and major organizations like Upwork has given me the expertise to help businesses raise seed rounds. I play a crucial role in driving growth and success by building impactful products. • Growth Engineering Impact: As part of Upwork's growth engineering team for three years, I played a pivotal role in building the ads platform (Skynet) from scratch. This experience has honed my skills in AI-driven advertising solutions. ⦿ Technologies I Excel In: • Programming Languages: Python, Java, React, Node.js • Web Frameworks: Flask, FastApi, Spring Boot, Express, Django • Databases: PostgreSQL, MySQL, MongoDB, DynamoDB, Google Cloud Datastore, BigQuery • APIs: Google Ads API, Facebook Business API • Machine Learning: OpenAI API, Langchain, Pinecone, scikit, AutoGPT ⦿ Why Choose Me? As a Top Rated Software Engineer, I am dedicated to delivering top-notch solutions tailored to your unique requirements. My expertise in Full Stack Development and AI/ML innovations allows me to craft intelligent and efficient applications. By combining technical skills with a deep understanding of AI/ML, I ensure a seamless collaboration for success. Let's work together to transform your ideas into reality. Contact me today, and let's elevate your projects with intelligent solutions and impeccable software engineering.
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Azure OpenAI Service
    Full-Stack Development
    Django
    Vue.js
    GPT-3
    Amazon DynamoDB
    React
    Microservice
    PostgreSQL
    Flask
    Java
    JavaScript
    Python
    API Integration
  • $56 hourly
    I am working as Sr. Java Back-end Developer along with ReactJS experience with front-end. If you are finding someone passionate about reusable, clean code, secure applications and agile methodology follower, then you are viewing right profile!. I have 8+ years of experience in software industry with Java based technologies. I have been involved across all phases of project development life-cycle. I am expert at database design or create base architecture for J2EE web applications. I have hands on experience in the following areas: ➤ Core Java ➤ JavaEE ➤ Alfresco Development (v4.2+) ➤ Spring MVC, ZK (ZKoss) ➤ Spring Security ➤ Spring DATA/JPA/Hibernate ➤ MySQL (database design and complex query expert) ➤ JSP/JSTL ➤ Jasper-Reports/Dynamic Jasper Reports ➤ Twitter bootstrap ➤ Lucene/Solr ➤ Indexing/Searching ➤ Tomcat/JBOSS ➤ GIT/SVN/CVS/P4V(Perforce) ➤ Struts 2.0 ➤ JIRA/Agile Looking forward
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Amazon Web Services
    Docker
    JavaScript
    React
    RESTful API
    Web Service
    MySQL Programming
    Jakarta Server Pages
    Spring Security
    AWS Lambda
    Amazon DynamoDB
    Spring Framework
    Java
  • $50 hourly
    Results-oriented java software engineer with 8+ years experience developing, testing, and maintaining software applications. Background includes strong knowledge of back-end development as well as extensive experience of front-end development. Well organized, self-motivated and hard worker.
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    PostgreSQL Programming
    Angular 6
    Linux
    Python
    Spring MVC
    Jenkins
    SQL
    Java
    Hibernate
  • $20 hourly
    I'm Aashish, a seasoned AI Specialist with over 5+ years of experience in crafting Web and Mobile Apps. I've worked with clients worldwide, honing my skills in both frontend and backend solutions that align seamlessly with your vision. AI Expertise: Specializing in AI technologies like GPT 3, Open AI API, Mid Journey, Gemini tech, Generative AI, DALL-E API, Text to Speek (TTS), Symfony, and Da Vinci engine. Utilizing peer-reviewed Prompt Engineering techniques to craft AI-based solutions that elevate businesses. Comprehensive Web Development: From frontend technologies like Angular JS, WordPress, React JS/Redux, Bootstrap, JavaScript, TypeScript, and jQuery to robust backends built with NodeJS, Express JS, PHP, Laravel, Cake PHP, Python, Django, Flask, RESTful API, GraphQL, and Chat GPT | Open AI | API |, providing complete web development solutions. Mobile App Expertise: Bringing ideas to life on mobile screens using React-Native, Flutter, iOS, and Android platforms. Database Management: Proficient in managing MongoDB, PostgreSQL, and MySQL, ensuring seamless data integration. Design Innovation: Transforming concepts into visually captivating interfaces, creating creative UI/UX designs, Mobile App, and Web App designs, Wire-Frames, and Prototypes using tools like Figma, Photoshop, Adobe XD, and Corel Draw. Committed to delivering excellent service, ensuring timely, accurate, and professional results. Let's collaborate to bring your projects to new heights!
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    AI Content Creation
    AI Text-to-Speech
    Generative AI
    AI Consulting
    AI Chatbot
    Prompt Engineering
    AI Agent Development
    Shopify
    ChatGPT
    GraphQL
    Next.js
    Back-End Development
    Laravel
    JavaScript
  • $20 hourly
    🏆 TOP RATED PLUS Java/Spring & ReactJS Expert 🏆 ⭐️Schedule a FREE CONSULTATION by leaving a message to my account. 🚀 3,000+ Hours of Work Done in Upwork 🚀 30+ Projects Delivered 🚀⭐️Proven Expertise in :⭐️🚀 ✅ JAVA EE Development ✅ Spring / Spring Boot ✅ Spring Hibernate ✅ SQL ✅MySQL ✅PostgreSQL ✅OracleDB ✅MongoDB ✅ ReactJS Why should you work with me? I guarantee: ➤ Perform Your Project in Latest Agile Based Environment ➤ Dedicated Point of Contact ➤ Fast and Professional Work ➤ Attention to Details ➤ Meeting Deadlines Thank you for visiting my profile, I'm looking forward to working with you!
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    AWS Lambda
    Web Development
    MySQL
    Spring Framework
    JavaScript
    React
    Java
    Hibernate
    Bootstrap
    PostgreSQL
  • $30 hourly
    ✅ Spring, Spring Boot, Spring Cloud, Spring Security ✅ Hibernate, JPA, JDBC ✅ PostgreSQL, Oracle, MySql, MongoDB, Flyway, Liquibase, Redis, Athena, Hazelcast ✅ REST API, SOAP, gRPC, GraphQL ✅ Kafka, RabbitMQ, ActiveMQ, Artemis, AWS SQS ✅ Keycloak, Apache Camel ✅ Microservices architecture: API Gateway, Service discovery (kubernetes), configuration, etc. ✅AWS Services ✅Kubernetes, Docker ✅Elastic Search, Apache Solr ✅Angular, ReactJS ✅Kotlin ✅Apache POI I am a Java professional with 9 years of experience. I have strong understanding and knowledge of the object-oriented approach, software engineering principles, and concepts. I have an incredible attention to detail and perseverance in getting the job done, and done it well.
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Kubernetes
    AWS Development
    REST API
    Angular
    Kotlin
    Spring Security
    Spring Framework
    Elasticsearch
    Hibernate
    Apache ActiveMQ
    Java
    Apache Kafka
    Apache Solr
    Docker
  • $18 hourly
    I am a Full-stack developer / lead, or solution architect with 10+ years of experience and have the expertise to complete many projects . I have very good experience working on full applications that require scalable architecture to design and develop, having worked on all stages of development like design, development to deployment with proven experiences in development. My passion and inclination toward the programming and coding, lead me to Upwork, a platform where I can put my knowledge, experience, passion and geekiness together and define and set my own limits. My expertise:- ✔️ Front-end Development JavaScript / React / React-Native / Redux / Angular / Ionic / Vue ✔️ Back-end Development Python / Node / Express / Java Spring boot / REST API / Golang / Laravel /Nest.js / Next.js ✔️ Databases PostgreSQL / MySQL / MongoDB / DynamoDB ✔️ Data Engineering Data Pipelines / ETL / Hive / Spack / Kafka / Drill ✔️ AWS Cloud Services Amplify / Lambda / EC2 / CloudFront / EC2 / S3 Bucket / Microservices ✔️ Responsibilities and Contribution: • Involved in various stages of software development life cycle including - development, testing, and implementation. • Analyzing and validating the functional Requirements. • Suggesting a better approach and preparing detailed documents and estimating the time required for the delivery system periodically. • Configuration and Customization of the Application as per the given Business requirement. • Used the sandbox for testing and migrated the code to the deployment instance thereafter. • Analysis of requirements Involved in the development of modules. • Discussing on requirements, feasibility of the changes, and impact on the current functionality onsite. I have excellent time management skills to define priorities and implement activities tailored to meet deadlines. My aptitude & creative problem solving skills help applying innovative solutions to complex issues. I am always eager to offer the value addition to customers by providing them with suggestions about the project.
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    React
    React Native
    Apache Spark
    Angular 10
    Apache Kafka
    AWS Lambda
    Golang
    Apache Hive
    NodeJS Framework
    Vue.js
    Amazon EC2
    Python
    Java
  • $35 hourly
    I'm senior software engineer with very good knowledge of Java, and Business process management. the following list will show my knowledge areas : 1-Business Process Management (BPM). - (Camunda), (Activiti), (JBPM), (Bonita). 2-Business Process Model and Notation (BPMN). 3-Process Modeling and Workflow Design. 4- software engineering - OOP, Design patterns, Agile, Scrum 5- JAVA stack -Java, java EE, JDBC, JPA, Hibernate, -Spring framework including (IOC container, MVC, AOP, security, data , REST and spring Boot, JDBC Template) 6-DATABASE -Oracle(SQL, PLSQL) -SQL server -Mysql
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Business Process Modeling
    jBPM
    Business Process Management
    Project Workflows
    Process Modeling
    Business Process Model & Notation
    Bonita
    SQL
    Hibernate
  • $35 hourly
    Senior Software Engineer having 8+ years of experience with the below skills • 8 years of experience in the design/development of Java/J2EE-based systems and microservice systems. • Strong working knowledge in MVC Architecture and Frameworks – Spring and Spring Boot Framework. • 8+ Years experience in designing and developing Microservices architecture. • 8+ Years experience in Amazon Web Services • 8+ Years experience in Restful web services. • 8+ Years experience in MS-SQL, MONGO, and MYSQL Databases. • Having good working knowledge in Database related Performance engineering activities • 8+ Years experience in Docker Container and Kubernetes. • 8+ Years experience in Kafka Queuing system • Having experience with Designing, Developing, Configuring, and Testing Application environments using Java (Java, Servlets, JSP, JSTL, Java Beans, JDBC, HIBERNATE, Database Mapping, Log4j, HTML).
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Java
    API
    Apache Kafka
    Kotlin
    JavaScript
    DevOps
    Microservice
    AWS Application
    PostgreSQL
    Spring Framework
    RESTful API
    Docker
    Docker Compose
    Kubernetes
  • $23 hourly
    I have established myself as an experienced and responsible specialist. I love challenges, and I consider myself a stress-resistant person. As for me, my core soft skill is problem-solving. Also, I am very attentive to details and patient.
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    React
    Web Development
    Linux
    Oracle
    JavaScript
    Artificial Intelligence
    Software Development
    SQL
    Python
    Java
    PHP
    API
    Docker
  • $100 hourly
    — TOP RATED PLUS Freelancer on UPWORK — EXPERT VETTED Freelancer (Among the Top 1% of Upwork Freelancers) — Full Stack Engineer — Data Engineer ✅ AWS Infrastructure, DevOps, AWS Architect, AWS Services (EC2, ECS, Fargate, S3, Lambda, DynamoDB, RDS, Elastic Beanstalk, AWS CDK, AWS Cloudformation etc.), Serverless application development, AWS Glue, AWS EMR Frontend Development: ✅ HTML, CSS, Bootstrap, Javascript, React, Angular Backend Development: ✅ JAVA, Spring Boot, Hibernate, JPA, Microservices, Express.js, Node.js Content Management: ✅ Wordpress, WIX, Squarespace Big Data: ✅ Apache Spark, ETL, Big data, MapReduce, Scala, HDFS, Hive, Apache NiFi Database: ✅ MySQL, Oracle, SQL Server, DynamoDB Build/Deploy: ✅ Maven, Gradle, Git, SVN, Jenkins, Quickbuild, Ansible, AWS Codepipeline, CircleCI As a highly skilled and experienced Lead Software Engineer, I bring a wealth of knowledge and expertise in the areas of Java, Spring, Spring Boot, Big Data, MapReduce, Spark, React, Graphics Design, Logo Design, Email Signatures, Flyers, Web Development (HTML, CSS, Bootstrap, JavaScript & frameworks, PHP, Laravel), responsive web page development, Wordpress and designing, and testing. With over 11 years of experience in the field, I have a deep understanding of Java, Spring Boot, and Microservices, as well as Java EE technologies such as JSP, JSF, Servlet, EJB, JMS, JDBC, and JPA. I am also well-versed in Spring technologies including MVC, IoC, security, boot, data, and transaction. I possess expertise in web services, including REST and SOAP, and am proficient in various web development frameworks such as WordPress, PHP, Laravel, and CodeIgniter. Additionally, I am highly skilled in Javascript, jQuery, ReactJs, AngularJs, Vue.Js, and Node. C#, ASP.NET MVC In the field of big data, I have experience working with MapReduce, Spark, Scala, HDFS, Hive, and Apache NiFi. I am also well-versed in cloud technologies such as PCF, Azure, and Docker. Furthermore, I am proficient in various databases including MySQL, SQL Server, MySql, and Oracle. I am familiar with different build tools such as Maven, Gradle, Git, SVN, Jenkins, Quickbuild, and Ansible.
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Apache Spark
    Database
    WordPress
    Cloud Computing
    Spring Framework
    Data Engineering
    NoSQL Database
    React
    Serverless Stack
    Solution Architecture Consultation
    DevOps
    Microservice
    AWS Fargate
    AWS CloudFormation
    Java
    CI/CD
    Amazon ECS
    Containerization
  • $20 hourly
    I am a self-driven Full-stack developer with 6+ years of rich experience in IT Industry and I have worked on modern edge technologies. I have expertise in Large scale Fault-tolerance System design from the scratch and ability to provide an end to end solution. Delivered the solutions for various work domains like Online food ordering systems, Financial analytics platforms, Social service platforms, various tracking systems like Driver tracking, Route Optimization, Inventory and Stock management systems etc. My Key Skill sets are : Java J2EE Spring(Boot, MVC, Security), Hibernate, JSP, JSF, JPA, GCP, Kubernetes, Firebase, WebSocket, Jenkins, Cloud Functions, AWS Lambda.
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    NetSuite Development
    Intuit QuickBooks
    Salesforce
    Websockets
    Firebase
    Angular Material
    AWS Lambda
    Angular
    Jenkins
    Google Cloud Platform
    Kubernetes
  • $30 hourly
    Highly accomplished and results-driven Full Stack Developer with an impressive track record of 16 years in the development and maintenance of diverse desktop, web, and mobile applications. Proficiency in a wide range of front-end and back-end technologies, encompassing Java, Spring Boot, NodeJS, Vue.JS, React, Angular, Android, iOS, Flutter, HTML, and CSS, among others. Recognized for designing, testing, and deploying scalable and efficient solutions that precisely cater to the unique needs of clients and end-users. Possessing a relentless commitment to staying at the forefront of technological advancements and industry trends, underpinning a genuine passion for technology and problem-solving. Aspiring to embrace a challenging role within a dynamic organization, where I can leverage my expertise and experience to play a pivotal role in driving the growth and success of the company. Skills Highlights: Full Stack Development: Proficient in all stages of application development, from concept to deployment. Back-end Proficiency: Skilled in Java, NodeJS, and implementing robust server-side solutions. Front-end Technologies: Demonstrated expertise in HTML, CSS, Javascript, VueJs, React, Angular, and cutting-edge frameworks. Mobile Development: Extensive experience in creating Android and iOS applications, as well as Flutter. Scalable Solutions: Proven track record of developing efficient, scalable, and future-proof applications. Problem-solving: Adept at identifying challenges and devising innovative solutions for complex issues. Client-Centric Approach: Focused on meeting and exceeding client expectations through tailored solutions. Continuous Learning: Committed to staying updated with the latest technologies and industry trends.
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    RESTful API
    Web Development
    NoSQL Database
    Vue.js
    Apache Struts
    Hibernate
    Swing
    Java
    JavaScript
    Android App Development
    Node.js
    TypeScript
    Flutter
  • $20 hourly
    I have worked in springs framework, android studio, wordpress. My strengths are html, css,php, core java,spring framework, shopify I have worked as associate java developer with Anand Rathi. I was associated with Vision Infotech as web developer. Why Choose me - I give my 100% to achieve client satisfaction rate. - Competitive in cost while ZERO compromise in Quality. - Strong technology competency & awareness of new technologies. - I offer clear, concise and regular communication during every step of your project. - I always deliver on time and on budget , even my clients say I am quick. I am always ready to experiment and mould myself according to client requirements. I am here to share my vision with you..
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Microservice
    API
    jQuery
    HTML
    WordPress
    Shopify
    Payment Gateway Integration
    Java
    JavaScript
    PHP
    HTML5
    Spring Framework
    MySQL
    CSS 3
  • $29 hourly
    As a highly experienced Java developer with a decade of experience, I am well-versed in Spring and Spring Boot, as well as Spring Security and other related technologies. With a career spanning several years in Java development, I have honed my skills in designing and implementing efficient, scalable, and maintainable software solutions. My expertise in standalone, service-oriented, and microservices architecture allows me to design and build robust and scalable systems. I am also familiar with MVC technologies and have experience working with message queues such as Kafka and RabbitMQ. As a proactive problem-solver, who is dedicated to delivering high-quality results, I am able to work both independently and as a part of a team, and possess strong communication skills. I have experience with test-driven development and working with Agile methodologies. I am always eager to learn new technologies and stay up-to-date with industry developments. As a Senior Java Developer, my ultimate goal is to architect elegant solutions that not only meet but exceed client expectations. I'm eager to take on new challenges, use my expertise to make a real difference, and assist businesses in reaching their goals.
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    CI/CD
    Angular
    MVC Framework
    Apache Kafka
    Spring Framework
    Java
    RESTful API
    Microservice
    SQL
    PostgreSQL
    Redis
    Hibernate
  • $55 hourly
    I am a senior Java/SpringBoot developer, working in complex enterprise software. Most used stack: SpringBoot, JEE, JSF, Angular, Primefaces, Icefaces, Hibernate, Maven, JBoss, Git, Jira, Openshift, AWS Following: Java best practices, SOLID clean code, TDD Certified Professional for Software Architecture, iSAQB CPSA Certification Oracle Certified Associate, Java SE 8 Programmer Professional Scrum Master I (PSM I) Bachelor and Master Degree in IT and Business, many courses taken in SW Development and Best Practices. Passionate about Bioinformatics and AI. My hobby is writing, creative or professional writing. I have published a book and won multiple international awards in short stories competitions. I am also an author at Baeldung, writing Java/Spring articles.
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Software Architecture & Design
    API
    JUnit
    Spring MVC
    JavaFX
    SQL
    Hibernate
    Spring Framework
    Apache Maven
    Oracle PLSQL
    Java Persistence API
    Git
  • $35 hourly
    I have been developing complex software systems from 2009, working on over 30 large projects (from developer to system architect, mostly enterprise Web applications and AI). I hold a Ph.D. in Computer Science and have published a number of scientific papers, most of them on Artificial Intelligence.
    vsuc_fltilesrefresh_TrophyIcon Spring Boot
    Angular
    React
    Distance Education
    Educational Technology
    JavaScript
    Curriculum Development
    Web Development
    Artificial Intelligence
    Machine Learning
    Python
    Java
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