
Ajithkumar Sankar
Senior Java Full stack Engineer | Java | Spring Boot | Microservices | React
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About
Senior Software Engineer with 8+ years of experience in Java, Spring Boot, REST APIs and enterprise application development. Experienced in microservices implementation, enterprise integrations, performance optimization, API security and automated testing, with hands-on React development experience building interactive dashboards, integrating REST APIs and implementing reusable components. Additional expertise in AI-powered automation using Spring AI and MCP.
Experience
TECH LEAD at Neurealm (formerly GS Lab | GAVS) Technologies Private Limited (2025 – Present)
- Developed Spring Boot REST APIs for a customer onboarding application using Spring Modulith and a modular monolith architecture, establishing clear business module boundaries and layered separation of concerns.
- Implemented CRUD operations, pagination, API security and Swagger/OpenAPI documentation.
- Built reusable React dashboard components using React Hooks, state management and React Router.
- Integrated frontend components with Spring Boot REST APIs and implemented loading and error states, along with a conversational AI assistant interface.
- Designed and developed a Security remediation AI agent that retrieves Nexus IQ security violations, verifies patched dependency versions against Nexus/Maven repositories, applies fixes and creates GitHub pull requests through GitHub REST APIs.
- Reviewed code, guided developers on engineering standards, and led production troubleshooting and performance optimization.
- Developed sample AI agents using the Microsoft Foundry Java SDK and deployed Spring Boot applications to Azure App Service.
- Hands-on experience in building applications using Spring AI and Ollama, implementing retrieval-augmented generation (RAG), tool calling, chat memory, MCP client integration and custom MCP servers.
SENIOR SOFTWARE ENGINEER at Neurealm (formerly GS Lab | GAVS) Technologies Private Limited (2021 – 2025)
- Developed and enhanced standalone Spring Boot parser applications to ingest, parse, validate and transform invoice status, purchase order and vendor data from files and external APIs for downstream processing.
- Optimized Workday API response processing using Java streaming and XMLStreamReader, reducing JVM heap memory consumption from 4 GB to approximately 300 MB and enabling near-constant-memory processing independent of response size.
- Led the migration of legacy Java applications to Spring Boot, ensuring smooth deployment on on-prem servers and Docker environments.
- Developed REST APIs and secured backend services using Spring Security and OAuth 2.0, implementing authentication and authorization.
- Developed scheduled Spring Boot watcher applications to identify stuck packages and documents through database checks and trigger notifications for operational follow-up.
- Developed unit and integration tests using JUnit and Mockito, and configured Azure Pipelines for deployment automation.
ASSOCIATE SOFTWARE DEVELOPER at TATA CONSULTANCY SERVICES (2018-08 – 2021-09)
- Designed and implemented a custom Java-based automated data migration utility, eliminating manual redundancies and reducing operational effort by 70%.
- Developed Spring Boot REST services to integrate external systems and retrieve operational data.
- Customized and configured EXALEAD ONEPART to align with customer data structures and business requirements.
Education
BE in MECHANICAL ENGINEERING – GOVERMENT COLLEGE OF TECHNOLOGY (2014 – 2018)
HSC – DRBCCC HIGHER SECONDARY SCHOOL (2012 – 2014)
