Hire the best Enterprise JavaBeans (EJB) specialists

Check out Enterprise JavaBeans (EJB) specialists with the skills you need for your next job.
  • $60 hourly
    I have more than 16 years of experience in software development. Mostly interested in big projects and long-term partnership. Having competences and experience both in engineering and management. Having good relations with some other developers and teams. Ready to set up and lead a new team if needed. Main areas of expertise: backend development, RDBMS design and optimization, systems integration, microservices, team management. Techs: Java SE 6-11, Java EE 6-7 (EJB, CDI, JAX-RS, JSF, etc), Kotlin, Spring, Dropwizard, RDBMS and SQL, NoSQL (OrientDB, MongoDB, CouchDB), REST, Solr, Netflix OSS (Hystrix, Ribbon, Eureka, EvCache), Prometheus, Grafana, AWS (CloudSearch, ElastiCache, DynamoDB, SQS, SNS), etc (see previous jobs below).
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    NoSQL Database
    Apache Solr
    Cross Functional Team Leadership
    RESTful Architecture
    Microservice
    SQL
    Java
    Kotlin
    Spring Framework
  • $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 Enterprise JavaBeans (EJB)
    iOS Development
    SQL Programming
    J2EE
    Android
    Java
    Grails
    Hibernate
    jQuery
  • $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 Enterprise JavaBeans (EJB)
    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
    20 years experience in Java Full stack development using design patterns, UML, full development lifecycle. I design and implement projects from the ground up using different technologies. Very quick to learn and work with new technologies. Good at problem solving and designing a good solution for any the given project. Self-motivated and hard working. Even though I am new to UpWork, I have been working remotely for clients for the last 15 years. Technologies used: - Databases: MySQL, Postgress, H2, Derby, Oracle, Sybase, MongoDB - Backend-coding: Java, J2EE, JPA, JTA, JMS, JavaMail, JAXB, XML, SOAP, RESTful Webservices, Spring-boot, JUnit, Spring Framework, Spring MVC, JSON, Micro services - Application Servers: JBoss, Weblogic, Glassfish, Payara - Front-end: HTML, CSS, Bootstrap, Javascript, JSP, Servlets, JSF, JavaFX, Swing, Thymeleaf, JQuery - Other: MQSeries, Git, Maven, Gradle, BitBucket, JIRA, Confluence, Ant, Docker,Jenkins - Amazon EC2, Elastic Beanstalk, Amazon RDS, S3, SES,ECS
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    RESTful Architecture
    MySQL
    Java
    HTML5
    Spring Boot
    Spring Framework
    Bootstrap
    Spring Data MongoDB
    JavaScript
    Microservice
  • $15 hourly
    Hi, I'm a software engineer with several years of professional and development experience, working on JAVA backend development. Currently, I am integrated into the backend development team.
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    JSON API
    Swagger
    Computer Skills
    Hibernate
    Web Application
    Java
    Spring MVC
    Spring Boot
    Grails
    Jakarta Server Faces
    Jakarta Server Pages
    Apache Groovy
  • $20 hourly
    🏅 Top Rated Freelancer Hello !!! I’m a Software Engineer specialised in Backend Development with over 6+ years of working experience mostly working on Spring Framework. Hands-on design, development, implementation, and optimisation of the application. Use Object-oriented techniques and Software engineering best practices including Design review, Code review, and Code re-factoring. Experienced with the full Software development life cycle (SDLC) including - Requirement gathering - Prototyping (Design, Development & Debugging) - Testing and - Deployment Good experience in Agile software development methodologies (Scrum, Sprint plan, Timeline, etc.). The strong idea about the deployment process and tools like Maven, Jenkins. 🌟 My Specialization 🌟 ✅ Java (8, 11 & 17): JavaSE, JavaFx, JDBC, Swing, Java Beans, Java Mail. ✅ Java Ee Family: EJB, JPA, Hibernate, CDI, Servlets, RESTful Services (JAX-RS), SOAP Services (JAX-WS), Apache CXF & Bean Validation. ✅ Java Ee Web: JSF, JSP, Thymeleaf, Bootsfaces & Primesfaces. ✅ Spring Family: Spring MVC, Spring Boot (Data, Rest, Vault, Security & Cloud [Microservices etc.]). ✅ SQL: MySQL, PostgreSQL, MariaDB & Oracle ✅ NoSQL: MongoDB & Redis ✅ AWS: IAM, EC2, S3, RDS, Lambda, Elastic Beanstalk etc. ✅ Oracle Cloud Infrastructure (OCI): Compute Service & Autonomous JSON Database ✅ Message Queues: ActiveMQ & RabbitMQ. ✅ Networking: WebSocket (Stomp & SockJs), Socket & RMI. ✅ Testing: JUnit, Spring Test, Mockito, Integration Test, Unit Test. ✅ Versioning: Git, Github, BitBucket & VisualSVN. ✅ DevOps: Docker, Docker Compose & Jenkins. ✅ Web: HTML, CSS, SASS, Javascript, React Js, Bootstrap & Material UI. 🌟 WHY CHOOSE ME OVER OTHER FREELANCERS? 🌟 ✅ Client Reviews: I focus on providing VALUE to all of my Clients and Earning their TRUST. The Client Reviews and Feedback on my Profile are critical to me. ✅ Over-Delivering: My focus is on PROVIDING more than what I expect to RECEIVE. I take pride in leaving all of my Clients saying "Great Work." ✅ Responsiveness: Being responsive and keeping all lines of communication readily open with my Clients.
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    JavaFX
    Technology Tutoring
    Jakarta EE
    API Development
    Java
    MySQL
    Java Persistence API
    MongoDB
    RESTful API
    React
    Spring Boot
    PrimeFaces
    PostgreSQL
    Docker
    JUnit
  • $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 Enterprise JavaBeans (EJB)
    Hibernate
    PrimeFaces
    Spring Security
    Next.js
    Spring Boot
    Jakarta Server Faces
    Mobile App Development
    Node.js
    iOS
    Java
    React Native
    Android
    PHP
    React
  • $35 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 Enterprise JavaBeans (EJB)
    SOAP
    Apache Maven
    Jakarta Server Pages
    JDBC
    Jakarta Server Faces
    Spring Boot
    Jenkins
    JasperReports
    Java Servlet API
    PrimeFaces
    Spring Framework
    JUnit
    Hibernate
    Java
    PostgreSQL
  • $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 Enterprise JavaBeans (EJB)
    RESTful Architecture
    RESTful API
    Microservice
    EJB
    Jakarta Server Pages
    Web Service
    Spring Boot
    Spring Framework
    JavaFX
    Swing
    Git
    Java
    JavaScript
    MySQL
  • $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 Enterprise JavaBeans (EJB)
    BIRT
    SQL Server Integration Services
    J2EE
    RESTful API
    Spring Framework
    Jakarta Server Faces
    MongoDB
    JasperReports
    Hibernate
  • $25 hourly
    Development Professional Experiences ==================================== • Extensive work experience in Core JAVA, OOP and java/design patterns • Experience in J2EE (Servlets, JSP, EJB3), Spring boot , Hibernate/JPA, XML, UML, JUnit • Containerize Microservices push the container image to Azure Container Registry, and then deploy to Azure Kubernetes Service. • Worked with CI-CD pipelineAzure Kubernetes integration. • Use Jenkins to build and deploy the version changes of code from GitHub repo • Hands on experience in SQL and RDMS (Oracle, SQL Server, Postgres, SQLite) • Hands on experience in NoSQL Database MongoDB • Hands on experience in Ant, Maven, Ivy, Eclipse , Netbeans • worked on SVN , Git • Extensive work in Apache Tomcat, JBoss 6/7 • HTML, CSS, JavaScript, AngularJS, jQuery, Bootstrap • 3rd party libraries integration • JSON based Rest APIs (3rd party APIs and custom back-end APIs) • Integration with payment gateways - Stripe etc. • Hands on experience in software development life cycle and methodologies • Committed and well-appreciated work ethics • Good web server knowledge and a good understanding of communication technologies such as TCP/IP, Proxies, FTP, Shell etc. Versatile Software Development and Testing Professional | 10+ Years of Expertise in Power BI, SQL, and ETL/DWH Testing • Software Development and testing professional with 12+ years of experience • 12+ years of experience on Power BI, SQL , MSBI including End-to-End Implementation. • I pride myself in ability to designed and developed Power BI graphical and visualization solutions with business requirement documents and plans for creating interactive dashboards. • Utilized Power BI (Power View) to create various analytical dashboards that depicts critical KPIs such as legal case matter, billing hours and case proceedings along with slicers and dicers enabling end-user to make filters. • Generated ad-hoc reports in Excel Power Pivot and sheared them using Power BI to the decision makers for strategic planning. I have Utilized Power Query in Power BI to Pivot and Un-pivot the data model for data cleansing and data massaging and implemented several DAX functions for various fact calculations for efficient data visualization in Power BI. • Expert in creating and developing Power BI Dashboards in to rich look. • Expert level capability in all types of Database migrations with all the versions of SQL Server. Expertise in designing SSIS packages to import and transform data between databases and external data sources using various transformations. • Extensive experience in configuration and maintain Report Manager and Report Server for SSRS, Deployed and Scheduled the Reports in Report Manager,also I have Developed OLTP system (s) and involved in creating facts, dimensions and Star Schema representation for the data mart. • Good experience in Manual Testing and Automation Testing (selenium webdriver). • Expertise in creating Automation frameworks Page object and creating API automation framework (unirest). • Extensive experience in writing and maintaining test cases with JUnit, TestNG framework and also in testing the application using mobile devices Testing Professional Experience ================================ ● Software testing professional with 12+ years of experience using various methodologies like ETL/DWH, Big Data & BI Testing. ● Extensive work experience in ETL Methodology for supporting Data Extraction, Transformation and Loading process using Informatica Power Center 10.2, Matillion and Ab-initio 3.2 ● Experience in Big Data Testing and used HIVE, Hadoop, Sqoop, Teradata, & SAS EG. ● Extensively used snowflake as a Cloud based DWH ● Hands on experience in Amazon Storage AS3. ● Comprehensive understanding of software testing including creation of Test Scenarios, Test Plan, writing Test Cases and Test Reports. ● Well acquainted with SDLC and exposure to all phases of STLC. ● Extensive work experience in GUI, Functional, System Integration, Regression, Retesting, Performance Testing And supporting UAT. ● Experience into writing Complex SQL Test Scripts by using SQL Developer. ● Defect reporting and tracking using defect tracking tool HP ALM & JIRA. ● Preparing Test Scripts Inventory, Execution Results Inventory, Test deliverables and defect log and making sure everything goes in line with customer requirement. Worked closely with BA & development teams to resolve quality issues. ● Good Exposure to UNIX ● Preparation of various release reports including Test Summary Reports, QA trackers based on the estimation.
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    Angular
    Google APIs
    Apache Groovy
    Data Analytics & Visualization Software
    Database Testing
    Microsoft Power BI
    Data Warehousing & ETL Software
    Amazon Web Services
    DevOps
    Informatica
    Microservice
    Apache Kafka
    Vaadin
    Spring Boot
  • $35 hourly
    I am a seasoned software developer with 7 years of hands-on experience specializing in Java development. My expertise lies in designing and implementing robust software solutions, particularly in the realm of microservices architecture, Spring Boot, and Kubernetes. **Technical Skills:** 1. Proficient in Java, Spring Boot, and Kubernetes 2. Extensive experience in building microservices architecture 3. Strong understanding of RESTful API design and development 4. Familiarity with containerization and container orchestration using Docker and Kubernetes 5. Proficiency in Agile development methodologies **Core Technologies:** 1. Java Core 2. Spring (including Spring Boot) 3. Hibernate, JPA 4. SQL (PostgreSQL, MySQL) 5. Microservices 6. Unit and Integration Testing (JUnit, Mockito, Testcontainers, Spring Boot tests) 7. Cloud Platforms: AWS, GCP 8. Kubernetes Throughout my career, I have successfully leveraged these technical skills to develop scalable and efficient software solutions, meeting the diverse needs of various projects. My hands-on experience with core technologies and dedication to staying updated with the latest advancements in the field make me a valuable asset to any development team.
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    ChatGPT
    OAuth
    Hibernate
    Microservice
    Kubernetes
    Java
    Git
    Spring Boot
    Docker
    API Integration
  • $20 hourly
    Shubham is having more than 5 years of experience in IT industry, working on cutting edge technologies providing a highly scalable and efficient system. Responsible for an effective delivery from the large engagement of engineers and business analysts for more than 5 years. Deep understanding of Services, Product development including determining the appropriate cost of services, solution defining processes & performance management Technology Stack on which I have worked Java Frameworks: Spring, Struts, Hibernate, JPA, Spring Security, Spring MVC, Spring Boot. Java EE Stack: Web services, XML, JAXB, JavaFX Web Technologies: HTML, CSS, JQuery, JSON , Angular 5/6/7/8 Application Servers: Tomcat, JBoss, Glassfish, AWS, AWS Lambda, Microsoft Azure, Google Cloud Database: Oracle, MySQL , Postgres ,MongoDB, N0sqlcouch DB Operating System: Ubuntu, Linux, Windows Other than this I am also working on Mifos X & Apache OFBiZ for product development Looking for an opportunity to work on long term projects on Java / Mifos X / Apache OFBiZ
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    OAuth
    J2EE
    AWS Lambda
    Web Application
    Spring Framework
    AngularJS
    Hibernate
    Amazon Web Services
    Java
    Node.js
  • $40 hourly
    I am a professional Developer with several years of experience, working with different technologies during this time. Projects are delivered in the time requested by the client with the highest efficience. These are the tecnologies that I can work with with the best results: Java EE Spring Boot Microservices API Rest/SOAP Hibernate Angular NodeJS PHP
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    Continuous Integration
    Unit Testing
    Microservice
    Spring Boot
    Docker
    Kubernetes
    HTML5
    CSS 3
    jQuery
  • $60 hourly
    Summary: I'm a highly skilled software developer and team leader with over 15 years of hands-on experience in delivering high-quality and reliable solutions. I have experience working with big enterprise teams, as well as small companies, across a wide range of domains and projects with different levels of autonomy and responsibility. My experience includes both technical aspects of projects and customer-facing roles, including working with business users and third parties. My focus is on delivering value to my clients, and I take pride in my ability to understand their needs and exceed their expectations. Skills: * Expertise in data structures, algorithms, multi-threading, and object-oriented analysis and design * Proficiency in team-oriented practices and Agile methods, including version control systems (such as Git and Mercurial), pull request review practices, issue tracking (such as Redmine and Jira), and CICD tools (such as Jenkins, SonarQube, Docker, Mesos+Marathon, and Kubernetes) * Leadership and project management skills, including business process analysis, requirements gathering, and software architecture design * Experience with accounting, financial, logistic, and production data analysis, as well as custom project management and BI reporting system implementation * Proficiency in Java development, including Spring Boot, Data, and Cloud, SQL and NoSQL databases, REST API and microservices, and CICD using Jenkins and Docker * Expertise in web service development, including integrations with Salesforce and compliance functions automation * Advanced NLP skills, including processing, comparing, and analyzing contracts, text classification, and content analysis using statistical and machine learning approaches * Ability to create unit tests and integration tests using JUnit/TestNG, mocks (Mockito), spring-test, and dbunit As a highly skilled software developer and team leader, I am committed to delivering the best quality of service and results on the market. With a Master's degree in computer science and a Bachelor's degree in corporate finance, I bring a unique blend of technical expertise and business acumen to every project I work on. I look forward to the opportunity to work with you and exceed your expectations.
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    Quantitative Finance
    Trading Automation
    Microservice
    Spring Data
    Hibernate
    RESTful API
    Jenkins
    PostgreSQL
    NoSQL Database
    Spring Cloud
    MongoDB
    Docker
    Spring Boot
    SQL
    Java
  • $75 hourly
    I am a highly experienced Java developer with 20 years of industry experience and I have been specializing in implementations using Adobe Experience Manager (AEM) for the past 8 years. I've built solutions in AEM 6.1 - 6.5 and AEMaaCS. In 2018, I was one of the winners of the Adobe Immerse 2018 Community Code Contest, as well as a presenter at the Adobe Immerse virtual conference, leading a discussion on Creating Custom ContextHub Stores and UI Modules in AEM. I have also contributed to ACS AEM Commons (the main AEM open source project) by helping to build Shared Component Properties. I also have solid experience working with various JavaScript frameworks like jQuery and VueJS and the drive to pickup new ones when necessary. I am also familiar with Less, SCSS, and CSS and the concepts of building responsive sites using Bootstrap and AEM Grid. I strive to write clear and maintainable code, and fully document my code to ensure future developers have a clear understanding of all methods and classes. Also, I will gladly provide any additional documentation or training materials requested, which will be well structured and well written. I am a strong problem solver and skilled at exploring and debugging complex problems to get software applications back on track when strange errors or edge case scenarios arise.
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    NodeJS Framework
    Adobe Experience Manager
    Vue.js
    Spring Framework
    CSS
    JavaScript
    Jakarta Server Pages
    HTML
    Java Servlet API
    jQuery
    Java
  • $12 hourly
    I am a Software Engineer with over seven years of experience in developing and delivering high-quality web and mobile applications. I have a strong background in computer science from a well-accredited university and a passion for learning new technologies and frameworks. I am proficient in many different front-end and back-end languages, such as Java, PHP, JS/TS, C++, and Python, as well as responsive frameworks, such as React, Vue, CakePHP, Laravel, Spring MVC, and Spring Boot. I have also worked with various databases, such as MySQL/MariaDB, SQLite, MongoDB, PostgreSQL, and MSSQL, and I follow the best code practices to ensure optimal performance and security. I have the ability to learn quickly and apply new skills to existing problems. I am open to new experiences and challenges that will help me build a rewarding career in software development and polish my solution development techniques through practical work. I always strive to bring unmatched success to the organization through maximum possible effort and dedication.
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    RESTful API
    AngularJS
    SQL
    Android App
    PHP
    JavaScript
    Vue.js
    Kotlin
    Java
    Python
    C#
    API
    Laravel
    HTML5
    C++
  • $50 hourly
    Full stack, RPA, Machine learning, GPT, LLM training, Prompt engineering Top level engineer in Upwork.
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    Selenium
    React Native
    Kotlin
    Spring Framework
    Test Design
    Microservice
    JavaFX
    Selenium WebDriver
    Apache Kafka
    Spring Cloud
    Python
    Java
    JavaScript
    Kubernetes
  • $75 hourly
    I am a passionate programmer with good communication skills who is looking for a project to join as Tech lead/Senior Software Engineer. I value developing and maintaining strong relationships. Thought I have good Java background my current tech stack is Scala, Sick, scala-cats, cats-effect, ZIO, HTTP4S, playframework, sbt. I am a fan of functional programming. I've worked as a senior software developer, team leader and CTO for both small startups and large enterprises. I have a computer science background (algorithms, data structure, networking, design patterns), experience with Unix operating systems, basic administration skills, knowledge of SQL, etc. For the last 12 years, I have been working as a full stack web developer. I am a skilled JVM programmer (using languages such as Java, Scala, and Groovy for backend development). Spring stack and Java EE stack are my favorites for writing Java web apps, though lately I work mainly with typelevel stack (Scala, Sick, scala-cats, cats-effect, playframework) . I also use Javascript and have experience with angularJS, jQuery, HTML, CSS, and more. I am interested in a TDD/BDD approach and think it's the right way to develop apps. I prefer JUnit, Hamcrest, and JMockit for writing unit & integrations tests. Frontend libraries: AngularJs, VueJs, ReactJs, Redux, nextjs,, redux-saga, Next.js, material UI, bootstrap, buefy, bulma, remirror, unifiedjs Backend Libraries and Frameworks: Spring Framework, cats, shapeless, slick, Spring Boot, Spring Security, JPA, Spring Data JPA, Hibernate, OpenJPA, GWT, JDBC, JUnit, Hamcrest, JMockit, Play Framework, Silhouette, scala-test, akka, less, SASS, Antlr, Jasmine, scala-cats Languages: Java, Scala, Elm, Groovy, PHP, Javascript, HTML, SQL IDEs and Tools: Nginx, Apache, SBT, Maven, Gradle, Git, Jira, IntelliJ IDEA, Jenkins, Jetty, Tomcat, datatables, heroku, slick Platforms: Shopify, Stripe, HubSpot Devops: terraform, kubernetes, k8s, docker, skaffold, telepresence, AWS, Heroku, bash, patroni, postgres-operator, github actions
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    AWS CloudFormation
    Google App Engine
    Haskell
    Functional Programming
    Database Design
    Redis
    PostgreSQL
    SQL
    Scala
    Java
    JavaScript
    AngularJS
  • $40 hourly
    -Modern web application development using JAMStack (JavaScript, APIs, and Markup), which includes react, nodejs, mongodb, graphql -Mobile app developer using react-native and expo -Dev-ops expert using git, docker, CI/CD tools, -Developed web and mobile projects on US dairy industries -Hardcore software developer for 15 years -Full-time experience in all aspects of line-of-business software development (understanding customer needs, transforming that needs to software application and supporting the customers on how they can effectively utilize the software application for their business)
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    Expo.io
    MySQL
    MongoDB
    JavaScript
    Mobile App Development
    Node.js
    GraphQL
    React Native
    React
  • $25 hourly
    Hi! 👋 Good day! 🤗 Full Stack Engineer with 3+ years of experience in the JavaScript ecosystem. Consistently delivers high-quality SaaS applications, while maintaining code quality and ensuring reliability. Seeking opportunities to contribute to visionary projects and teams with a meaningful impact on society ❯ Roles / Responsibilities: ● Develop, test, document and maintain JavaScript ecosystem apps on frontend/backend using JavaScript/TypeScript ecosystem/frameworks (React, NextJS, NestJS, ExpressJS, MySQL, AWS). ● Collaborate with Clients to ensure quality and bug-free software on production, providing various bug fixing, unit testing, and maintenance for deployed software. ● Provide opinions to improve software, conducting research for improved code and better optimization. ● Following Agile Practices and utilizing platforms including GitHub, Jira, and Slack to work and communicate effectively, working with Clients and remote teams to identify pain points and opportunities for success stories. ❯ Technical Skills: ● JavaScript | TypeScript | NodeJS | React | NextJS | NestJS | NextJS | AWS | ExpressJS | MongoDB | MySQL | React Testing Library | Jest | Redux ● OO Design | Functional Design | MVC | Java | Unit Testing | NPM | Yarn | Maven | PWA | Material UI | Prisma ORM | Nx Monorepo ● Git - GitHub - GitLab | Figma | Frontend | Backend | Full Stack ❯ Tools: ● VS Code with Extensions | IntelliJ | GitHub / GitLab | Postman | Jira | Slack | Microsoft Teams | Zoom | MySQL Workbench | Mongo Compass | OBS | Figma | Draw.io I am a technology enthusiast and spend my time learning and practicing competitive skills and building projects. Therefore, I am a software engineer who solves problems for enterprises and people.
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    Amazon Web Services
    Unit Testing
    Node.js
    ExpressJS
    React
    MongoDB
    JavaScript
    CSS 3
    HTML5
  • $25 hourly
    I'm a proficient data application engineer with 10+ years of working experience and a strong command of Java. I've built robust big data platforms using technologies such as Hadoop, Hive, Doris, and Flink. Specializing in Java web applications, I excel in frameworks such as Spring Boot and JPA.
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    Data Engineering
    Algorithms
    API Integration
    Elasticsearch
    NLP Tokenization
    Machine Learning
    Apache Spark
    Apache HBase
    Apache Kafka
    Apache Flink
    Spring Cloud
    Apache Hadoop
    Spring Boot
    MySQL
    Java
  • $70 hourly
    10+ years as a professional in software engineering, from systems programming to large data-intensive applications. Fast learner. Highly motivated. Team player. OSS contributor. Extreme Ownership. Distributed systems. (Scala | Kafka | Akka | Kubernetes) Machine learning. (Python | Keras) System programming. (Linux | C | Rust)
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    Play Framework
    JavaScript
    Apache Kafka
    Microservice
    Kubernetes
    GraphQL
    Rust
    Linux
    TypeScript
    Akka
    SQL
    Python
    Scala
    Keras
    Machine Learning
  • $60 hourly
    Cloud DevOps Engineer and System Administrator with more than 14 years of experience working in IT. I am specialized in cloud platforms such as AWS (Most experienced), GCP, Azure and DigitalOCean, especially using tools like Docker, Kubernetes, Terraform, Ansible, always focused on creating a very secure and highly available environment with great performance, monitoring, and cost optimization. I'm also specialized in Linux platforms (Red Hat, CentOS, CoreOS, Ubuntu) and Windows as well. Deep Experience with Linux, Windows, Apache, Nginx, MYSQL and MSSQL administration AWS solid skills in EC2, RDS, VPC, VPN, S3, Cloudfront, Workspace, SES, Route53, ECS, Elastic Beanstalk, etc Deep experience with AWS Devops tools like AWS Code Commit, AWS Code Deploy and AWS Code Pipeline Deep experience with open source Devops tools like Github, Docker, Jenkins, Gitlab and Kubernetes. Deep experience with infrastructure tools like Terraform Deep experience with Migration tools from on premise/cloud provider to another cloud provider. Good Experience With scripting languages like bash and python Good Knowledge of Networking (CCNA Course), Cyber Security Concepts, Cloud Computing and Virtualization. SSL Configuration Working with DevOps in the past 8 years, with focus on automation tools for cloud environments I've specialized myself in: ✅ CI/CD ✅ Docker ✅ Jenkins ✅ DevSecOps ✅ Amazon Web Services (AWS): EC2, ECS, S3, IAM, Lambda, Route 53, CloudFront, CloudFormation, RDS, etc; ✅ Automated Tests ✅ Architecture Solutions ✅ Terraform ✅ Kubernetes ✅ Ansible ✅ Apache, Tomcat and Nginx ✅ Git/SVN ✅ Linux (Ubuntu/RedHat/CentOS) ✅ Bash Script ✅ Powershell ✅ SQL/ NoSQL ✅ Programming Languages (Python, Java, PHP, NodeJS, Ruby) ✅ Expert Level ability with Server Administration in Linux & Windows environment, including designing a well architected framework for applications and infrastructure. ✅ Extensive Experience in Hybrid Migrations, replatforming or reArchitecting cloud solutions. ✅ Excellent in Devops integrating CICD to an Infrastructure build, deploy or operate with core IAAC skills(Terraform, Cloudformation, Ansible, cloud watch, Jenkins, etc.) 🌟 WHY ME ? 🌟 I stay Highly motivated, dedicated and results oriented ensuring client satisfaction & success delivered professionally. 🙋🏼‍♂️I am eager to work with you, to provide reliable, consistent, and High-Level solutions to design/development challenges. Please contact me, so we can discuss how we can work together to FULLY meet your Business Needs!
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    Google Cloud Platform
    Golang
    API Integration
    API
    AWS CloudFormation
    Python
    PHP
    JavaScript
    Amazon ECS
    Laravel
    Azure DevOps
    DevOps Engineering
    DevOps
    Amazon Web Services
  • $15 hourly
    Oracle Certified Professional Java Developer, Spring Boot developer, Full stack developer & solutions provider. Are you looking for all-inclusive, reliable microservices and responsive web app development? Or a full-stack developer who fully understands and fulfills your unique requirements with custom solutions? Do you have time or other constraints that prevent you from hiring full-time, in-house specialists for your project? Don’t worry! You’ve found the right person. I am Salman, a Full-Stack Microservices and Responsive Web developer with over 12 years of developing, implementing, and maintaining high-quality & customized backend and web-based software solutions across various industry sectors. I’m always willing to go above and beyond and make myself available, to answer queries, provide quick fixes or status updates, and meet tight deadlines. I have experience with: ✅ Java, Java Core, Java EE ✅ Spring Boot, Spring MVC ✅ Spring Boot Data, Spring JPA Data ✅ Spring Security ✅ Apache Struts ✅ Microservices ✅ RestAPI / Restful API Development ✅ OpenAPI/Swagger, Postman ✅ API Integration ✅ JPA, Hibernate ORM ✅ Java Concurrency ✅ Relational Database (RDBMS): MySQL, MSSQL Server, PostgreSQL, IBM DB2 ✅NoSQL Databases: MongoDB, AWS Dynamo DB ✅ Container Orchestration: Kubernetes, Helm Chart ✅ DevOps Skills: CI/CD, Kubernetes, Helm charts, Docker, Github Actions, GitHub, Ansible ✅ JSP / Java Server Pages ✅ JSF / Java Server Faces / Jakarta Server Faces ✅ Thymleaf ✅ React JS, Bootstrap, Material CSS, HTML, CSS, Javascript, JQuery 🌟 WHY CHOOSE ME OVER OTHER FREELANCERS? 🌟 ✅ Quality-Oriented: I focus on providing VALUE to all of my Clients and Earning their TRUST. Delivering with quality is the key to gaining trust, and that's where I put my core focus. ✅ Over-Delivering: This is core to my work as a Freelancer. My focus is on GIVING more than what I expect to RECEIVE. I take pride in leaving all of my Clients saying "WOW." ✅ Adaptive to changes: During Software Development Lifecycle, it is highly likely some changes might be needed. I understand this and open to any changes. The end goal is to make my client achieve his target, and the objective is to make his/her business more profitable. ✅ Responsiveness: Being extremely responsive and keeping all lines of communication readily open with my Clients. ✅ Respect: Self-respect is everyone's right. I belong and thrive in a work culture where everyone's self-respect is of utmost importance. Maintaining relations with my clients to boost their self-respect is one of the core offerings that I can offer here. Have any questions? Want to discuss your project? Or do you want to get advice? Drop me a message, and we will have a quick call to understand your requirements so that to help you 100% according to your desires :)
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    Spring Security
    Core Java
    RESTful API
    Java
    Spring Data JDBC Extensions
    Web Development
    Kubernetes
    Spring Data
    Spring Boot
    React
    Spring Framework
    Microservice
    RESTful Architecture
    Hibernate
    Spring MVC
  • $146 hourly
    I am a top rated ⬆️ expert in Java and JavaScript development with 10+ years of experience 💾. Over time, I worked with very different companies, including big enterprises 🏢 and small start-ups 🚀, so, most likely, I have already built whatever you plan to do 📃. There is no need to talk about how good I am, clients feedback speaks for me✨. The only attitude I have is "get it done in the best way possible", so when you hire me, be sure that your project will be done with the highest degree of professionalism 👔. Here are a few ways I do business 📋: - I always know what I am doing and do not have to StackOverflow for answers ✍️. So, while other freelancers Google stuff, I do the job ✔️; - I can get a freelancer through my Agency, and it will be 30% cheaper than my rate 💸 But, be sure, your job will be done with the highest quality ✔️; I appreciate you reading up to this point and wish you good luck with your project regardless of the decision of hiring me or another person 🍀. I do stuff using Java, Scala, JavaScript, Node, Python, Go, React, Angular, Spring, Hibernate, MySQL, Mongo, Oracle, AWS, GCP, Docker, Kubernetes, etc 🛠️.
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    Artificial Intelligence
    CI/CD
    Node.js
    Machine Learning
    React
    JavaScript
    Golang
    API
    Python
    Docker
    SQL
    Java
    Software Architecture & Design
    Spring Framework
  • $15 hourly
    I'm an Algorithms and Data Structures expert. I have a CS bachelor's degree. I work as a software developer at a big tech firm and I help with different projects and assignments. Also, I love to teach Tech. I have professional experience in: 👉 C++ 👉 Java 👉 Python Also, I have a strong background in Algorithms and Data Structures: 👉 Dynamic programming. 👉 Graph theory: BFS, DFS, Dijkstra, MST, Max flow, SCC, etc.. 👉 Data structures: BSTs, Trie, Segment tree, Fenwick Tree, etc... 👉 Math: Probability, Number Theory, etc... 👉 Binary and Ternary search. And more. I’m also a fast learner for any services that are not listed in my profile. Software Engineer with around 4 years of experience in the IT Industry. Good command over Design Patterns, Data Structures, and Algorithms. 5+ years of experience in Web Application Development (Spring boot | JavaScript | Angular). 3+ years of experience in web development (jquery, Bootstrap, JavaScript) I am an enthusiastic engineer ever ready for collaborations and discussions. Hire me and Get the Perfect RESULTS!
    vsuc_fltilesrefresh_TrophyIcon Enterprise JavaBeans (EJB)
    Spring Cloud
    Angular 6
    Core Java
    Data Structures
    JavaScript
    Spring MVC
    Spring Data MongoDB
    JUnit
    Hibernate
    HTML
    Spring Integration
    Spring Boot
    C++
    Spring Security
    Python
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