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Full Stack Java Engineer with 5+ years of experience building scalable, production-grade systems for logistics, food delivery, and enterprise platforms. I specialize in Spring Boot microservices architecture and AI-powered backend systems — designing end-to-end solutions that handle high traffic, complex workflows, and real-time data processing. My background in logistics technology means I understand not just the code, but the business operations behind it. What I bring to your project: - AI integration using OpenAI, Gemini, and LangChain4j for intelligent automation and chatbot backends - Microservices architecture with Spring Boot and Spring Cloud - Event-driven systems using Apache Kafka and RabbitMQ - Full stack development with React.js and Vue.js frontends - REST API design, development, and third-party integrations - AWS infrastructure — EC2, RDS, S3, deployment pipelines - Database design and optimization across MySQL, PostgreSQL, and Oracle - JWT-based authentication and Spring Security - Legacy system migrations and monolith-to-microservices transitions - Docker, CI/CD pipelines, and production deployment I have built and maintained systems processing hundreds of thousands of records daily — including a 2.5-year long-term engagement delivering a full-stack logistics and food delivery platform on AWS, earning a 5.0 rating across every review. I do not disappear after handing over code. I ask the right questions before starting, communicate clearly throughout, and flag issues before they become problems. Clients who work with me once tend to come back. 100% Job Success Score across every contract on Upwork. If you need a reliable full-stack engineer who builds intelligent, scalable systems — let's talk.

I am a Java Developer specializing in Spring Boot, Microservices, and RESTful APIs with hands-on experience in Docker, Kubernetes, Apache Kafka, and Hibernate. With a strong background in designing scalable and secure backend systems, I help businesses build efficient, high-performance applications that meet modern software demands. 𝐖𝐡𝐚𝐭 𝐈 𝐎𝐟𝐟𝐞𝐫: ✔ Backend Development with Java, Spring Boot, and Spring Framework ✔ Building Microservices using Spring Cloud, Kafka, and Docker ✔ Designing RESTful APIs and integrating with databases like MySQL, PostgreSQL, and Oracle DB ✔ Deploying applications in Kubernetes, Docker, and cloud environments ✔ Writing efficient SQL queries and working with MongoDB and Apache Solr ✔ Ensuring high-quality code with JUnit testing 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤: ✔ Java, Java EE, Spring Boot, Spring Security, Hibernate ✔ REST API Development, Microservices, Spring Cloud ✔ Docker, Kubernetes, Apache Kafka, Apache Solr ✔ MySQL, PostgreSQL, Oracle DB, MongoDB ✔ CI/CD Pipelines, Jenkins, Git, BitBucket ✔ Ubuntu, Azure Cloud, IBM DB2 𝐏𝐫𝐞𝐯𝐢𝐨𝐮𝐬 𝐖𝐨𝐫𝐤: ✔ Bank Reconciliation System (ReconStream) – Automated banking reconciliation software ✔ EOBI Backend System – Backend services for Employees' Old-Age Benefits Institution ✔ Motor Vehicle Registration System – Government of Sindh’s vehicle registration portal ✔ Pakistan Reinsurance (PAKRE) System – Public sector insurance solution If you're looking for a Java Backend Developer who can build scalable microservices, secure APIs, and efficient database solutions, let’s connect! Let's discuss your project today!

Most AI projects never make it to production. They look great in demos, break under real data, and cost businesses months of wasted budget. I fix that. I am a Principal Java Engineer with 12 years building AI and FinTech systems that process millions of transactions in production. Not prototypes. Not demos. Real systems that generate real revenue. 𝙒𝙝𝙖𝙩 𝙄 𝙗𝙪𝙞𝙡𝙙 𝙛𝙤𝙧 𝙮𝙤𝙪: AI Agents and LLM Integration connected to your real data, not static prompts FinTech Backend Systems payment pipelines, fraud detection, real time processing Java and Spring Boot Architecture clean, scalable, microservices that last RAG and NLP Pipelines intelligent systems that evaluate, decide, and act Kafka and Event Driven Systems high volume data flows that never break 𝙍𝙚𝙖𝙡 𝙧𝙚𝙨𝙪𝙡𝙩𝙨 𝙄 𝙝𝙖𝙫𝙚 𝙙𝙚𝙡𝙞𝙫𝙚𝙧𝙚𝙙: Built AI evaluation engine that automated thousands of call center audits weekly replacing months of manual work Delivered real time fraud detection pipeline processing millions of card transactions daily Designed ISO-8583 payment infrastructure as Issuer and Processor used by global FinTech clients Reduced manual workflows by building AI driven automation systems across enterprise platforms 𝙃𝙤𝙬 𝙄 𝙬𝙤𝙧𝙠: I start with clear architecture so there are no surprises mid project I deliver working builds weekly so you always know where things stand I build for production from day one including testing, monitoring, and scaling 𝙏𝙚𝙘𝙝 𝙎𝙩𝙖𝙘𝙠: Java Spring Boot Spring AI Python Django AI Agents LLM Integration RAG OpenAI BERT RASA Kafka REST APIs AWS Docker Kubernetes PostgreSQL MySQL MongoDB Redis React Jenkins Git If you are building an AI or FinTech system and need it to actually work in production, let us talk. Send me a message and I will tell you exactly how I would approach your project.

✅ 16,000+ hours and many projects over Upwork ✅ 10+ years of professional experience in full software development life cycle, i.e., software design, development, quality assurance, implementation, and support. ✅ Excellent working abilities in JAVA (J2EE/J2SE), Spring, Springboot, Struts2, Hibernate, JSP, Servlet, JavaScript, JQuery, REST, Angular, React, AWS (S3/Transcoding/Dynamo), NoSQL, HTML, CSS, XML, Android, PowerBuilder 7/9/ 10.2/ 11.5/ 12.5 ✅ Excellent knowledge of relational DBMS (Oracle, MySQL, SQL Server, Sybase) and No SQL(DynamoDB, MongoDB) ✅ Design and development experience in REST APIs ✅ Specialties Enterprise Resource Planning (Development, Implementation & Support) Application Software Development. Customized Application Development. Web Applications Development Systems Integration. ✅ Expertise: 1) JAVA (J2SE, J2EE, Struts, Hibernate) 2) REST API (Spring Boot, Jersey), Swagger 3) NoSQL Database (DynamoDB) 4) AWS (S3, Video Transcoding, DynamoDB, Cognito) 5) Angular, React, JavaScript, JQuery, HTML, AJAX, XML, CSS 6) PowerBuilder(7/8/9/10.5/11.5/12.5, 2019) 7) ERP (Development, Support & Implementation) 8) MySQL 9) ORACLE (9i, 10g, 11g) 10) SQL Server 11) Sybase 12) SQL/ PL SQL

Oracle certified associate, java 8 programmer I Over 13+ years, I have developed a wide range of web applications using Java, J2EE, JSF, Primefaces, Struts, LDAP, maven, Spring, Spring-boot, Spring-data, Spring-JPA, Hibernate, GWT, Oracle, MySql, Weblogic, Tomcat, WildFly/Jboss, PHP. My core competency lies in complete end-end management, I am seeking opportunities to build products from the ground up for you.

Looking for a skilled software developer who has expertise in Java, Node JS, and EJS? Look no further! With years of experience in software development, I specialize in building scalable, efficient, and secure applications using Java, Node JS, and EJS. My expertise in these technologies allows me to create innovative and high-performing applications that meet your specific business needs. As a Java developer, I have extensive experience in designing and developing Java-based applications. I am well-versed in popular Java frameworks such as Spring and Hibernate and have experience in developing RESTful web services and microservices. In addition to Java, I am also skilled in Node JS and have experience in building applications using the popular Node JS framework, including Express JS. I am proficient in front-end development using EJS and can create dynamic and responsive web pages. My expertise in these technologies allows me to provide end-to-end software development solutions for your business needs. Whether you require a new application from scratch or need help in enhancing an existing application, I can provide customized solutions that meet your specific requirements. In summary, if you're looking for a skilled Java, Node JS, and EJS developer who can deliver high-quality software solutions, then I'm the right person for the job. Let's discuss your project requirements and start building something great!