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Senior Full-Stack Engineer

Selva Kumar
Subramanian

10+ Years Building at Scale — architecting robust, high-performance systems across enterprise Java, cloud-native microservices, and modern frontend.

About

Engineer. Problem-solver. Builder.

Full-Stack Engineer with 10+ years delivering enterprise-grade software across fintech, insurance, and public sector domains — based in Singapore.

Currently at JPMorgan Chase & Co (Core Technology, Asset & Wealth Management), building high-throughput microservices with Spring Boot, Kafka, and AWS. Previously at Wipro Technologies and Cognizant, leading backend delivery across complex, multi-team programmes.

Passionate about distributed systems, cloud-native architecture, and the intersection of engineering and emerging technology — particularly Blockchain and AI & ML.

10+
Years Experience
Lines of Java
2
Countries Worked
SG
Based in Singapore
Tech Stack

Built to handle complexity
at every layer.

Backend
Java
Spring
Maven
Spring Boot
Spring Batch
Spring GraphQL
Kafka
Redis
RabbitMQ
Frontend
HTML
CSS
JavaScript
React
TypeScript
Cloud & DevOps
PCF
Jenkins
Docker
AWS
AWS ECS
AWS Lambda
Data
SQL
Oracle SQL
Snowflake SQL
Data Science
Python
Pandas
NumPy
scikit-learn
Matplotlib
Experience

A decade of
delivering at scale.

Aug 2022 — Present
Singapore

Associate Software Engineer

// JPMorgan Chase & Co
  • Working within Core Technology, Asset & Wealth Management, building mission-critical financial applications serving global clients.
  • Designing and developing high-throughput microservices using Spring Boot, Spring Batch, and Kafka for event-driven data processing.
  • Deploying and managing cloud-native infrastructure across AWS and PCF, ensuring reliability and scalability at enterprise scale.
  • Delivering modern React frontend interfaces integrated with backend APIs.
JavaSpring BootSpring BatchKafkaAWSPCFReactMicroservices
Mar 2019 — Jul 2022
Singapore

Senior Software Engineer

// Wipro Technologies
  • Led full-stack development of the CPF Employer Submission System — a national public-sector platform used by Singapore employers to submit CPF contributions via Singpass and Corppass.
  • Delivered features across Internet and Intranet modules, supporting multiple payment modes: Cheque, Direct Debit, Giro, PayNow, and eNETS.
  • Worked across the full stack: Spring Boot, Spring Batch, Hibernate, MyBatis on the backend; Angular, jQuery, and Cordova on the frontend.
  • Operated within an Agile/SAFe delivery model across cross-functional teams.
Spring BootSpring BatchHibernateMyBatisAngularjQueryCordova
Sep 2014 — Feb 2019
Chennai, India

Software Developer

// Cognizant Technology Solutions
  • Key developer on the Travelers Insurance SCBP platform — a 43-module enterprise system managing the full insurance policy lifecycle: creation, rating, rules, and downstream services.
  • Participated directly in client calls for requirements gathering and solution design; guided developers on Java patterns and CMF transformations.
  • Led migration of monolithic applications to microservices architecture using Spring Boot, Spring Cloud, and PCF.
  • Implemented comprehensive test coverage using JUnit, DBUnit, and XMLUnit.
JavaSpringSpring BootSpring CloudPCFMicroservicesMavenJUnit
Contact

Let's build something great.

Available for senior full-stack engineering roles. Let's talk.