10/26/2026 updated

SM
100 % available

Senior Java Backend Engineer / Technical Lead - Microservices & Distributed Systems

KOLKATA, India
Worldwide
Bachelor of Computer Application (BCA)
KOLKATA, India
Worldwide
Bachelor of Computer Application (BCA)

Profile attachments

ShaikhAbdul_Hameed_Sr_Java_Developer-Lead_v5.pdf

About me

Senior Java Developer with 15+ years of experience in Java, Spring Boot, REST APIs, microservices, Kafka, and enterprise applications across banking and insurance. Experienced in team leadership, secure API development, system integration, and production support.

Java Platform Enterprise Edition (J2EE)Java Development ToolsJava API For RESTful Web Services (JAX-RS)Java Application ServerSpring Boot

Experience

Professional experience10+ years
Freelancer since2026

Languages

EnglishGood

Project history

Sr Java Developer

Aleph-labs Malaysia
Developed and enhanced Spring Boot microservices and RESTful APIs using Java 21, WebFlux, JPA, DB2, and OpenAPI. Led a backend team of 5 engineers and contributed to code reviews, troubleshooting, CI/CD deployment activities, and production support. Improved backend reliability and optimized performance issues using Splunk logs and monitoring tools.

Sr. Java Developer

Takaful Malaysia (payroll: AMK Sdn Bhd)
Spring Boot, RESTFul API, Maven, Development, SQL queries, Oracle database. Writing Spring batch development or enhancement of the project with new features. Configuring 3rd party application integration with main application.

Sr. Java Backend / Team Lead

UOB Bank (payroll: Accions Lab Sdn Bhd)
Designed and enhanced scalable backend APIs using Spring Boot microservices architecture. Participated in code reviews, Jenkins CI/CD pipelines, SonarQube quality checks, and production troubleshooting. Collaborated with cross-functional teams to deliver secure and reliable banking APIs.

Sr. Java Backend Developer

TSYS (Payroll: UST Global Sdn Bhd)
Spring Boot, RESTFul API, gRPC, AWS DynamoDB, Microservices, Agile, PostgresDB, ArgoCD, Jenkins, JPA. Responsible for creating and enhancing APIs that integrate with other modules via microservices and save with two different databases: PostgreSQL and AWS DynamoDB, along with integration test cases to ensure end-to-end functionality.

Team Lead / Backend Developer

IT Essentials Sdn Bhd
Restful, Spring Boot OAuth2, Swagger, Map, OpenStreetMap, Agile, JPA, Microservices, UML, WebFlux. Participated in the entire software development lifecycle: planning, coding, testing, deployment, and maintenance. Designed and built backend services for a food app named QuikEat, including rider tracking, merchant registration, food order receiving, and SMS integration. Worked on implementation of Azure cloud.

Sr. Java System Development

DIEBOLD Sdn Bhd (payroll: Tentacle Sdn Bhd)
Multithreading, Spring Boot, RESTful API, MSSQL, JPA. Responsible for enhancing projects named Proview, PVIM, and Prodash. Created an API to display data in graphs. Fixed a multithreading issue occurring 1 hour after Tomcat server start.

Sr. Java Backend Developer

AXA LifeInsurance (payroll: Capgemini Sdn Bhd)
Spring Boot, RESTFul API, OAuth2, JWT, Hibernate, Swagger, JUnit 4, Mockito, Agile, JPA, Microservices. Worked for client AXA on projects MARCMY, EMEMBERMY, ECLAIMMY, and a mobile app project. Enhanced these projects from JSF and Struts Hibernate to latest technologies. Created APIs from scratch referencing the flow from existing APIs.

Sr. Java Backend Developer

MayBank (payroll: HTC Global Sdn Bhd)
RESTFul API, Spring Boot, JMS, Maven, Agile, Websphere, JUnit4, Mockito, Java 8, Microservices. Worked in JMS and created RESTful web services from scratch. The API fetches data from M2U and saves to database after validating requests using tokenization. Deployed on Websphere server.

Sr. Java Backend Developer

LearningMate Pvt Ltd (Payroll: ExperisIT Pvt Ltd)
Mockito, Jenkins, Docker, Swagger, Sonar, RESTFul API, Spring Boot, Maven, Oracle, JUnit4, AWS EC2. Created different types of APIs along with test cases in Agile projects. Deployed and ran Jenkins. Worked on AWS EC2 connecting via VPN and managed instances for deploying.

Sr. Java Backend Developer

NIIT Technologies Ltd
Spring Boot RESTful API, JSP, JBoss, Maven, Agile, Microservices. Worked for client Adecco, a job provider company, creating an online examination application.

Sr. Java Backend Developer

Interra Information Technologies Pvt Ltd
RESTFul API, Java 8, JAXB, JSF, MySQL, SOA Architecture, Eclipse, JSON, Agile, Mockito, JUnit 4. Worked for client Verio. Created an API in Order Management Module (OMS) along with test cases. Created a separate new application from scratch consolidating all APIs from different modules in one page.

Java Backend Developer

Sciegra Technical Consultancy Pvt Ltd
Spring MVC, JFreeChart, JSP, HTML, MySQL, Eclipse. Developed web applications for electric appliances and generated reports in PDF, CSV, and Excel formats.

Java Backend Developer

Orchid Technical Consultancy
Java, JSP, HTML, XML, JSON, Spring MVC. Writing queries to fetch data and display on web. Created an application to send data from Excel to database.

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