Summary
Overview
Work History
Education
Skills
Timeline
BusinessAnalyst
RAJ KUMAR DUTTA

RAJ KUMAR DUTTA

Backend Developer | Scalable Microservices | Kafka | Spring Boot
Bengaluru

Summary

Backend Engineer with 4+ years of experience designing and delivering high-performance, fault-tolerant microservices for e-commerce, fintech, and enterprise domains. Proven track record of reducing API latency by up to 40%, scaling distributed systems to millions of transactions/day, and implementing event-driven architectures using Kafka & Saga Orchestration. Adept in Java 8/17, Spring Boot, PostgreSQL, GCP, and cloud-native DevOps.

Overview

5
5
years of professional experience

Work History

Senior Analyst (Backend Developer)

Accenture
09.2024 - Current
  • Engineered global e-commerce backend using Spring Boot & PostgreSQL, cutting API latency by 40% and improving checkout reliability.
  • Designed and led development of an event-driven order processing platform with Kafka & Saga orchestration, achieving 99.99% uptime.
  • Integrated SonarQube into Azure DevOps CI/CD pipelines, reducing code smells by 40% and enforcing clean code standards across the team.
  • Collaborated with cross-functional teams to optimize database queries and service design, improving throughput by 30% during peak loads.

Cloud Application Consultant

OpenText
11.2021 - 07.2024
  • Built and deployed scalable backend microservices for healthcare, insurance, and public transport domains, serving multi-million user bases.
  • Implemented Kafka for real-time ETL streaming, cutting data processing times from hours to seconds.
  • Enhanced backend responsiveness with caching layers (Redis) and asynchronous event handling.
  • Designed & documented RESTful APIs with Swagger, improving onboarding speed for new developers by 25%.
  • Mentored 3+ junior engineers in Spring Boot & microservices best practices.

Software Engineer

Test Yantra
10.2020 - 10.2021
  • Delivered microservice-based policy & claims management system with GCP Pub/Sub & EhCache, enabling secure, sub-second insurance claim processing.
  • Developed automated JUnit test frameworks to boost test coverage by 35%.
  • Implemented RBAC and JWT authentication, enhancing system security for sensitive financial transactions.

Education

B.Tech - Computer Science & Engineering

Asansol Engineering College (MAKAUT)
Asansol, West Bengal
07.2019

Skills

Languages: Java 8/17, Kotlin

Timeline

Senior Analyst (Backend Developer)

Accenture
09.2024 - Current

Cloud Application Consultant

OpenText
11.2021 - 07.2024

Software Engineer

Test Yantra
10.2020 - 10.2021

B.Tech - Computer Science & Engineering

Asansol Engineering College (MAKAUT)

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RAJ KUMAR DUTTABackend Developer | Scalable Microservices | Kafka | Spring Boot