Java Backend Developer with over 3 years of experience building enterprise-grade Spring Boot microservices and secure REST APIs for AT&T systems handling 10,000+ daily transactions. Experience contributing to microservic…
Java Backend Developer with over 3 years of experience building enterprise-grade Spring Boot microservices and secure REST APIs for AT&T systems handling 10,000+ daily transactions. Experience contributing to microservices migration initiatives, legacy modernization efforts, and application performance improvements in enterprise environments. Deep expertise in Java 17, Spring Boot 3.x, JPA/Hibernate, and API security (JWT, OAuth2). Hands-on experience with Docker, Kubernetes, CI/CD pipelines, and Agile delivery, supporting scalable application development and production deployments.
Experience
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Java Software Developer
Tech Mahindra (Client: AT&T)·Pune , Maharashtra , India
Nov 2023 - Present · 2 years 11 months
<p>Designed and deployed 25+ production-grade RESTful APIs across Spring Boot microservices (Java 8 & 17), reducing inter-service latency by 25% and sustaining 10,000+ daily transactions across critical business workflows.</p><p> Led migration of 5+ microservices from Spring Boot 2.2.x to 3.x and JDK 8 to 17, improving security posture, framework compatibility, and long-term maintainability.</p><p> Architected service communication using synchronous REST and asynchronous Kafka messaging, improving system decoupling and fault resilience across distributed services.</p><p> Containerized services with Docker and Kubernetes, enabling scalable, portable deployments on AWS and Azure App Services.</p><p> Transitioned legacy JDBC to JPA/Hibernate ORM, reducing development effort by 30% and improving query maintainability across 4+ application modules.</p><p> Refactored 15+ legacy modules to align with current Java standards, advancing SonarQube code quality scores by 35% and achieving full compliance in every audit cycle.</p><p> Reduced production defects by 20–30% quarter-over-quarter by systematically eliminating performance bottlenecks and owning end-to-end feature delivery.</p><p> Debugged and eliminated 30+ critical production bugs within a 6-member Agile team, cutting crash reports by 40% and reinforcing overall system stability.</p><p> Remediated 900+ security vulnerabilities via Veracode and Astra, maintaining full compliance with OWASP Top 10 and enterprise secure coding standards across all modules.</p><p> Implemented input validation and secure coding practices to resolve 200+ critical code vulnerabilities, achieving zero security audit failures.</p><p> Optimized CI/CD pipelines via RevUp and GitHub Actions, accelerating deployment time by 20–30% and ensuring release stability across development, staging, and production environments.</p><p> Leveraged GitHub Copilot (AI-DLC) to increase individual development productivity by 25%, shortening feature time-to-delivery.</p><p> Spearheaded the delivery of 3–5 client features per sprint—including user stories, enhancements, and defect fixes—while maintaining velocity across full Agile delivery cycles.</p>
