Java Backend Developer
Kotak SecuritiesMay, 2022 - Present3 yr 8 months
Engineered and optimized fintech platforms (SIPit, StockCase, Dealer Portal) using Java 8, Spring Boot, and Microservices, increasing user engagement by 20% and retention by 15%, while delivering highly scalable backend solutions. Improved API performance by 40% through Redis caching strategies and migrated legacy order processing workflows to Kafka, enabling 50% faster transaction handling and seamless real-time event-driven processing. Led the transition from a monolithic architecture to microservices, implementing secure interservice communication (RestTemplate, WebClient), enforcing JWT authentication with VAPT validation, and boosting system scalability for millions of transactions. Designed and deployed high-performance RESTful APIs supporting a rapidly growing user base, achieving 80% response time optimization, ensuring low-latency order execution, and strengthening overall backend resilience. Developed a Dealer Management System with MySQL-driven data retrieval and Kafka-based real-time order updates, reducing processing time by 25% and enhancing dealer-client transaction efficiency across channels. Orchestrated end-to-end delivery of backend features within Agile/Scrum teams; accelerated release cycles by 30% and boosted cross-functional productivity by leading daily scrum meetings.