Brijesh Kumar
@brijeshkumar2
I build fault-tolerant Java microservices for high-volume enterprise platforms.
IndiaWhat I'm looking for
I've built core microservices for Citi Japan's Zengin domestic credit transfer platform, supporting millions of daily transactions with sub-second latency requirements. I improved production availability by 15% by resolving more than 50 high-priority incidents and implemented Saga and Circuit Breaker patterns for fault isolation.
At HCL Technologies, I also architected backend modules for Yokogawa's pharmaceutical Manufacturing Execution System, maintaining 100% data integrity for multi-vendor order tracking across global production sites. Earlier, I developed REST APIs for RNL Engage and Java/Spring Boot telecom modules for Airtel Africa.
I'm currently building high-throughput Java 21 transaction processors and event-driven AWS infrastructure using Lambda, DynamoDB, Kafka, and Infrastructure-as-Code. I'm ready to bring hands-on distributed-systems design and backend delivery experience to a senior or lead backend role.
Experience
Work history, roles, and key accomplishments
Java Backend Developer
Self-Employed
Jul 2024 - Present (2 years 1 month)
Architected a high-throughput transaction processor using Java 21 Virtual Threads and Pattern Matching, achieving a 40% reduction in thread-context switching overhead. Designed and deployed scalable event-driven backend infrastructure on AWS using Lambda and DynamoDB with Apache Kafka for async messaging.
Spearheaded design and development of core microservices for high-volume domestic credit transfers using Java 21 and Spring Boot 3.x, handling millions of daily transactions with sub-second latency requirements. Stabilized production environment by triaging and resolving 50+ high-priority incidents, improving overall system availability by 15%.
Engineered high-performance RESTful API modules for the RNL Engage SaaS platform using Spring Boot and Spring MVC, improving backend throughput and reducing API response times. Streamlined local development environment setup using Maven, reducing developer onboarding friction and improving team productivity.
Software Engineer
Sterlite Technologies Limited
Sep 2020 - Feb 2021 (5 months)
Developed server-side business logic using Java and Spring Boot for high-scale telecom modules supporting 4G/5G subscriber management for Airtel Africa operations. Optimized MySQL database schemas and queries for large-scale subscriber data management, improving query performance and system availability.
Education
Degrees, certifications, and relevant coursework
Rajarshi School of Management and Technology
Master of Computer Applications, Computer Applications
Master of Computer Applications degree from Rajarshi School of Management and Technology, Varanasi, Uttar Pradesh, completed in 2016.
Mahatma Gandhi University
Bachelor of Science, Information Technology
Bachelor of Science in Information Technology from Mahatma Gandhi University, Meghalaya, completed in 2013.
Tech stack
Software and tools used professionally
Availability
Location
IndiaAuthorized to work in
Job categories
Skills
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