Sudhansu Sarangi

Backend-focused Software Engineer

Bengaluru, Karnataka, India 1+ yrs exp 82 · Excellent

About

Backend-focused Software Engineer with 1+ year of production experience securing REST APIs (TCS) and hands-on project experience building full-stack, AWS-deployed systems. Strong foundation in Java, Spring Boot, and distributed-systems fundamentals (transactional integrity, concurrency control, authN/authZ). IEEE-published researcher.

Skills & Expertise (22)

Python Intermediate

5.5/10

Years Exp

Integration Testing Intermediate

5.5/10

Years Exp

REST API Testing Intermediate

5.5/10

Years Exp

REST API design Intermediate

5.5/10

Years Exp

Java Intermediate

5.5/10

Years Exp

JWT Intermediate

5.0/10

Years Exp

Postman Intermediate

5.0/10

Years Exp

SQLite Intermediate

5.0/10

Years Exp

MySql Intermediate

5.0/10

Years Exp

Git Intermediate

5.0/10

Years Exp

Flask Beginner

4.5/10

Years Exp

Typescript Beginner

4.5/10

Years Exp

Docker Beginner

4.5/10

Years Exp

React Beginner

4.5/10

Years Exp

OAuth2 Beginner

4.5/10

Years Exp

Spring Boot Beginner

4.5/10

Years Exp

Dart Beginner

3.5/10

Years Exp

AWS (IAM AWS (VPC AWS (RDS AWS (S3 AWS (EC2

Work Experience

Associate System Engineer

Tata Consultancy Services

Aug 2025 - Present

Debugged production Java applications via log and stack-trace analysis, cutting recurring errors by nearly 40 percent and improving stability. Implemented JWT-based authentication and authorization to secure 20+ REST APIS against unauthorized access. Validated APIs with Postman and integration tests to ensure contract-compliant, reliable behavior in production. Diagnosed and resolved application errors end-to-end, from log analysis to code-level fix and verification.