Pushpak Rai

Software Engineer at Zensar Technologies (2025-02 – 2026-06)

Designed, developed and maintained production-grade Java Spring Boot backend services and REST APIs for enterprise applications serving 500+ daily active users, following clean architecture principles and coding standards.
Owned backend Java Spring Boot modules from design, implementation, testing and deployment while participating in design reviews and peer code reviews.
Integrated AWS S3 for secure object storage and file workflows, reducing storage costs by 25% through automated lifecycle policies.
Instrumented applications with centralized logging, metrics dashboards and Prometheus, improving observability and reducing production troubleshooting time by 40%.
Developed comprehensive unit and integration tests using JUnit and Mockito, improving code coverage to 85%+ and reducing production defects by 30%.
Investigated production issues using application logs, metrics and JVM profiling to identify root causes, reducing MTTR by 40%.
Maintained Jenkins and Git CI/CD pipelines, reducing deployment failures by 30% through automated validation and release management.
Participated in peer code reviews, technical design reviews and Agile sprint planning, improving software quality across the team.
Documented REST API specifications and technical design decisions while collaborating with senior engineers, improving maintainability and onboarding efficiency.

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