Hire the Best Java Servlets Developers

I’ve successfully completed multiple projects on Upwork with 5-star ratings and positive client feedback. If you’re facing any kind of tech-related problem, I’m here to help. I specialize in backend development, frontend development, and database management. Over the years, I’ve built projects such as: ✅Enterprise Multi-Tenant SaaS POS Application ✅Expense Tracker ✅Food Delivery Web App ✅Smart Pharmacy Management System ✅Retail Billing Software ✅Trading Platform ✅Book Rental System ✅Hospital Management System Previously, I worked as a Junior Backend Developer, where I created REST APIs, fixed bugs, collaborated with frontend developers, and managed databases. Working remotely strengthened my communication skills and taught me how to coordinate effectively with distributed teams. Technical Skills ✅ Languages: Java, JavaScript, Python ✅ Frameworks: Spring Boot, Spring MVC, Hibernate, React, Tailwind CSS ✅ Web Services: RESTful APIs ✅ Databases: MySQL, PostgreSQL, MongoDB ✅ Tools: VS Code, IntelliJ, Eclipse, Postman, Git/GitHub ✅ Frontend: HTML5, CSS3, JavaScript ✅ Practices: Git-based version control, Agile methodology, automated testing What I Can Do for You ✅ Develop and maintain RESTful APIs with Java & Spring Boot ✅ Design scalable and efficient backend architectures ✅ Build dynamic, responsive web interfaces with React, Tailwind CSS, HTML, and JavaScript ✅ Integrate relational databases and ensure data integrity ✅ Debug and fix performance or functional issues across the stack ✅ Collaborate with frontend, backend, and mobile teams for end-to-end solutions ✅ Deploy applications and assist with basic DevOps tasks I believe in clear, friendly communication to keep projects running smoothly and ensure we’re always aligned. Let’s chat about your project and see how I can help bring it to life! “Any fool can write code that a computer can understand. Good programmers write code that humans can understand.” – Martin Fowler

I'm a Full-Stack Java Developer with over 8+ years of industry experience. I excel in all aspects of Java application development, from design and development to deployment. I have a proven track record of building robust and Scalable applications across diverse domains. My Expertise Full-Stack Development: Java: Core Java, multithreading, OOP, Spring, Hibernate, Struts, J2EE. Frameworks & Libraries: Spring, Hibernate, JavaFX, Apache Struts. Microservices Architecture: Spring Cloud, Netflix OSS, service discovery, load balancing, tolerance mechanisms. Web Development: JSP, Servlets, RESTful APIs, Angular, React, HTML, CSS, JavaScript. Databases: MySQL, PostgreSQL, MongoDB, Redis. Testing & Debugging: JUnit, Mockito. I also use GitHub Copilot and Claude Code to deliver the best solutions. ✔ LLM integrations (OpenAI, Claude, etc.) ✔ AI-assisted workflow automation ✔ Prompt engineering & optimization ✔ RAG based enterprise search solutions ✔ AI code acceleration using tools like Cursor ✔ Designing AI-ready Microservices architecture Java Solution Architect: Designing scalable solutions with Java, Spring, Hibernate, and microservices. DevOps: Cloud setup, infrastructure management, CI/CD. Proficient in AWS (Lambda, EC2, S3, Redshift, SageMaker, Cognito) and GCP (VMs, Google cloud storage). Domain Experience: Insurance, finance, healthcare, e-learning, e-commerce, travel, real estate, logistics, supply chain, social networking, and education. CRM and ERP systems.

Hello! I’m Senior developer with over 10 years of professional experience building enterprise-grade applications, RESTful microservices, and cloud-native solutions. I have successfully delivered projects for clients across Europe, the UK, Australia, India, South Africa, and the USA. ✅ Languages: Java (8–21), Kotlin, Groovy, Python, Node.js, TypeScript ✅ Back-End: Spring Boot, Spring Cloud, Spring Security, Micronaut, Camel, Express.js, NestJs ✅ Front-End: Angular, Vue.js, Nuxt, HTMX, Tailwind CSS, Bootstrap ✅ Databases: PostgreSQL, MySQL, Oracle, MongoDB, Redis, DynamoDB ✅ Cloud & DevOps: AWS, CDK, Cloudformation, ECS, API Gateway, Lambda, Cognito, DynamoDB, Azure, Docker, Kubernetes, Terraform, Jenkins, GitHub Actions, Cloudflare ✅ Architecture: Clean Architecture, Hexagonal, Domain-Driven Design DDD, Microservices, Monolith ✅ Messaging: Kafka, RabbitMQ, ActiveMQ, Artemis ✅ Monitoring: Grafana, Kibana, Datadog ✅ APIs: REST, SOAP, gRPC, GraphQL, Websocket, SSE, tPRC ✅ Build & Tooling: Maven, Gradle, Flyway, Liquibase ✅ Other: Jhipster, Gen Ai, Agentic Ai, Hermes Agent, SDD, TMUX ✅ Opensource contribution to popular opensource projects like FlowiseAi, AWS PDK, Mongock, Jhipster lite and Jhipster Main generator. You can confidently entrust me with your project and you will not be let down by our collaboration. I assure you of my strong sense of responsibility and the high standard of the work I deliver, which you can rely on once I become part of your team.

Enthusiastic, talented Senior Software Engineer with excellent programming skills, strong problem-solving abilities, quality-driven and customer-focused. Passionate not only about technology but also about applying it to improve people’s lives in new and innovative ways. Experienced in handling the entire software development life cycle, and used to working with a wide variety of technologies. A constant learner who motivates their peers. Self-motivated, positive, proactive and pragmatic, communicative and collaborative, and ready to take responsibility and ownership. EXPERTISE • Strong experience with Python, Go, Java, C, C++ and Lua; • Good Knowledge of Ruby and Js; • Solid experience with object-oriented design, and design patterns; • Experienced with UNIX operating system, including Linux for development and basic administration; • Familiarity with databases such as PostgreSQL, Oracle, MySQL and PL/SQL; • Experienced with OpenGL, 3D graphics, and ima​ging; • Great Computer Vision and OpenCV experience; • Good experience working with GUI development such as QT, Swing, and IUP; • Familiar with Web development: J2EE, Spring MVC, Tomcat, JSP, Servlets, JSF, HTML, CSS; • Good Knowledge with Multi-threaded and Client- Server programming; • Strong experience in design, unit testing, reviews, system testing, and requirements; • Experienced with all phases of product development lifecycle; • Experienced with source control systems like CVS, Subversion, JIRA, Buildbot and Hudson; • Familiar with agile methodologies as well as software planning and estimation techniques; • Strong commitment to life-long learning, enjoying teaching and mentoring; • Team oriented, encouraging the use of conventional procedures, practices, and tools; • Excellent written and verbal communication skills (English and Portuguese).

I am senior developer having extensive 11+ years of rich experience in this technology world, with cutting-edge technology, utilizing strong implementation skills such as Java, J2EE, Spring, Hibernate, Kotlin and most importantly, Liferay 7.X and 6.X to drive results that transform corporate vision and strategy into profitability. Fully experienced with the planning, management. ★★ Experience and Expertise ★★ ♦ Built a music social network where users could create musical stories and share them with their followers. ♦ Led a small team of developers across native and back-end development, using agile methodologies. ♦ Interfaced with product and other executives to determine strategy and drive technical direction. ♦ Integrated data from multiple APIs including Facebook, Instagram, YouTube, Spotify, and Apple Music. ♦ Provided API development, DevOps, data harvesting, and search. ♦ Install and maintain the Splunk adds-on including the DB Connect, Active Directory LDAP for work with directory and SQL database. ♦Expert level programming experience in Spring Boot, Java Script, jQuery, RabbitMQ, Jenkins, Kubernetes Cloud. ♦Experience in application server Spring Framework(5.2.7), APACHE-TOMCAT 7.0,Java J2EE(1.8+) ,JBOSS 4.2.2 and IDE such as Eclipse ♦ Experience using build tool MAVEN and GRADLE. ♦ Efficient to work independently or as part of a team. ♦ Analytical, adaptive and quick learning ability for new technologies ♦ Strong defect analysis, debugging and problem solving skills with excellent understanding of problem analysis methodologies, techniques and tools. ♦ Experience in version control tools like GIT, SVN (SUBCLIPSE 1.8 and Tortoise), GIT Ext. ♦ Familiarity with common stacks and databases (SQL Server, Oracle, DB2, PostgreSQL) ★★ Expertise in Liferay ★★ ♦ Liferay 7 (Community)/DXP Customization ♦ Liferay Environment Setup ♦ Liferay 7/DXP Theme Development ♦ Liferay addon Development with the old version ♦ Enterprise Portal Solutions ♦ Content Management Solution ♦ SSO with Liferay ♦ Liferay integration with LDAP, CAS, keyclock ♦ Liferay Portal Performance tuning ♦ Liferay migration and upgrade ♦ Liferay workflow management ♦ Liferay Elastic search integration ♦ Liferay clustering ♦ Amazon web services ♦ Maintenance and Support for the existing system ♦ Liferay Portal 5/6/7+ (portlets, hooks, themes, ext, setup, integrations) ♦ Payment Gateway Integration with Java/Liferay application ★★★ Technical Skills ★★★ ♦ J2EE, S, Spring Boot, Java Script, query, RabbitMQ, AWS, Cloud foundry, Jenkins, Cabernets Cloud, Lightweight Directory Access Protocol (LDAP), ♦ IDE: Eclipse, Oxygen.3a Release (4.7.3a) ♦ Framework: Struts 1.1, Spring 4, Hibernate 5, Spring boot 1 ♦ Web Technologies/ Development: JSP, query, Servlets, Java Script, Web Services, HTML, AJAX, Angular Js ♦ Application/Web Server: APACHE TOMCAT 7.0, JBOSS 4.2.2 ♦ Database: MySQL5.5, Oracle 11g, Cassandra 3.11.2 ★★★ Expertise in Android ★★★ ♦ Programming language : Java, Kotlin ♦ Web Service : XML/JSON, REST/SOAP ♦ Networking Library : AFNetworking/Alamofire, Fast-Android-Networking ♦ JSON Parser : Android-JSON parser ♦ Chat and Messaging Engine : Twilio, XMPP, Quickblox, OpenFire ♦ Video/audio/Image processing : GPUImage, CoreAudio, AVFoundation, EZAudio ♦ Social integration : Facebook, Twitter, Spotify, SoundCloud, Deezer, Instagram ♦ Geolocation : Google Map, Open Street Map, GPS, MapKit, Mapbox ♦ Source Control : google svn, collabanet, git, bitbucket ♦ Payment Gateway : stripe, authorise.net, billdesk and more... Would be happy to discuss your requirement. Thank you for your time to read my profile. Thank you.

Organised, Trustworthy and Passionate Software Engineer with almost 20 years experience building highly scalable Web Applications. Grown from Junior Developer to Team Leader as permanent employee within big and small Organisations, I faced all the steps of the SDLC and the challenges of working cross teams, startup environments, obsolete code, customer technical support, hardware replacement, solo developer, release manager. Below a list of skills and services I provide: - Microservices - Old school Monolithic web apps - Troubleshooting and bug fixing - Infrastructure Design and Setup from basic to highly scalable systems - Requirements gathering and Kanban Board management - Team and Project management using Agile methodologies - Coding at night to reach the deadline I'm very looking forward to helping your business grow while I take care of the tech behind it. Your success is my success, get in touch!