Janak Baban Avhad

Project: Global Airline Client – Finance Operations • Tech Stack: Java, Spring Boot, Angular 17, SQL Server, Redis, Kafka, RabbitMQ, Docker, AWS (EC2, S3) • Architected and developed 4+ Spring Boot microservices supporting high-volume enterprise finance workflows, enabling scalable distributed systems, reliable inter-service communication, and efficient transaction processing. • Engineered 20+ RESTful APIs, documented them using Swagger/OpenAPI, and implemented secure authentication using Spring Security, JWT, and Role-Based Access Control (RBAC), while remediating 20+ security vulnerabilities identified through SAST, DAST, and SonarLint. • Improved application performance and resilience using Redis caching and Resilience4j (Circuit Breaker and Retry), reducing API latency and enhancing fault tolerance across distributed services. • Implemented event-driven asynchronous workflows using Kafka and RabbitMQ for reliable background processing and inter-service communication, improving throughput, scalability, and system responsiveness. • Developed a multithreaded retry-abort framework using ExecutorService and ThreadPoolExecutor, improving failed job reprocessing efficiency by 50% while reducing manual intervention during production job recovery. • Built comprehensive JUnit and Mockito test suites, increasing automated test coverage, reducing regression defects, and improving application stability. • Developed 3+ Angular 17 modules and dashboards for internal finance applications, improving operational visibility and streamlining business workflows. • Automated month-end financial reporting through Python + SQL-based data pipelines and scheduled jobs, eliminating manual effort and saving 15+ hours per reporting cycle. • Contributed to application deployments and release management using AWS (EC2, S3) and Docker; presented 3+ PoCs to stakeholders and conducted 10+ client training sessions, facilitating successful product adoption. • Resolved 40+ production incidents through Root Cause Analysis (RCA), performance tuning, and defect remediation, ensuring application stability and timely production releases in an Agile/Scrum environment. • Mentored and trained 3 junior developers on product architecture, coding standards, and development best practices, accelerating onboarding and improving team productivity.