Apr 2022 – Present · 4 yrs 1 mo · Gurugram, Haryana, India · Hybrid

• Senior Java Backend Developer – 5G Security Edge Protection Proxy (SEPP) Team
• Contributed to securing 5G interconnect roaming by developing features that ensure end-to-end message confidentiality, integrity, and compliance with 3GPP standards.
• Key Responsibilities:
• Developed and optimized Java microservices for SEPP, ensuring robust security, high performance, and scalability in a Kubernetes-based architecture.
• Actively supported QA efforts, conducted security scans, and optimized performance bottlenecks in mission-critical backend systems.
• Delivered critical production functionalities, including Helm upgrade/rollback support, Helm testing automation, and intelligent routing/steering of 5G roaming messages.
• Core Contributions:
• Implemented security-focused features like Security Counter Measure 1 (Query Param Validation) and both ingress and egress rate limiting to prevent abuse and ensure system reliability.
• Designed and developed RESTful APIs with efficient, maintainable business logic tailored to carrier-grade requirements.
• Analyzed complete network flow and authored detailed Kubernetes Network Policies to align with organizational security and compliance mandates.
• Authored automated BDD (Behavior-Driven Development) test scripts to maintain high code coverage and system reliability.
• Technical Expertise:
• Proficient in microservices architecture using Docker containers, Kubernetes orchestration, and CI/CD pipelines.
• Strong in Observability practices—instrumented services using Prometheus for metrics and alerting, OpenSearch for log aggregation and querying, and Jaeger for distributed tracing and system diagnostics.
• Provided ongoing production support by resolving critical issues raised by customers and sales teams, ensuring minimal downtime and efficient incident response.