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I am Vinod Kumar G, a backend engineer specializing in high-performance APIs, distributed systems, and scalable backend platforms. I thrive on modernizing legacy Node.js systems, designing multi-tenant SaaS architectures, and building high-throughput transaction platforms that process millions of requests. I enjoy debugging production incidents and refining architectures to boost throughput and reduce latency.…I am Vinod Kumar G, a backend engineer specializing in high-performance APIs, distributed systems, and scalable backend platforms. I thrive on modernizing legacy Node.js systems, designing multi-tenant SaaS architectures, and building high-throughput transaction platforms that process millions of requests. I enjoy debugging production incidents and refining architectures to boost throughput and reduce latency.

VINOD KUMAR G

Full Stack Developer, Web Developer, Back-End Developer, +2

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I am Vinod Kumar G, a backend engineer specializing in high-performance APIs, distributed systems, and scalable backend platforms. I thrive on modernizing legacy Node.js systems, designing multi-tenant SaaS architectures, and building high-throughput transaction platforms that process millions of requests. I enjoy debugging production incidents and refining architectures to boost throughput and reduce latency.…I am Vinod Kumar G, a backend engineer specializing in high-performance APIs, distributed systems, and scalable backend platforms. I thrive on modernizing legacy Node.js systems, designing multi-tenant SaaS architectures, and building high-throughput transaction platforms that process millions of requests. I enjoy debugging production incidents and refining architectures to boost throughput and reduce latency.

Available to hire

I am Vinod Kumar G, a backend engineer specializing in high-performance APIs, distributed systems, and scalable backend platforms.
I thrive on modernizing legacy Node.js systems, designing multi-tenant SaaS architectures, and building high-throughput transaction platforms that process millions of requests. I enjoy debugging production incidents and refining architectures to boost throughput and reduce latency.

Skills

Experience Level

Expert

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Intermediate

Language

Work Experience

Backend / Platform Engineer at MedImpact Healthcare Systems

August 1, 2023 - Present

Designed scalable REST APIs for PBM claim adjudication workflows processing millions of healthcare transactions. Delivered backend platform solutions for enterprise healthcare clients including Bupa. Re-architected backend services, query patterns, and caching layers increasing system throughput from 50 RPS to 500k–700k RPS. Reduced API latency from ~2 seconds to ~50 ms through query optimization, caching strategies, and service refactoring. Architected distributed async processing pipelines using Redis and BullMQ handling millions of background jobs. Re-architected deployments into a multi-tenant SaaS platform reducing onboarding from weeks to minutes. Implemented RBAC authorization and secure access controls for healthcare APIs. Led debugging of critical production incidents reducing resolution time from days to minutes.

Frontend Engineer at ToXSL Technologies

May 1, 2022 - August 1, 2023

Built React applications with performance improvements using lazy loading and code splitting. Optimized API communication improving frontend responsiveness.

Software Developer at Illuminz

June 1, 2020 - May 1, 2022

Developed full-stack applications using Node.js and React. Optimized MySQL queries and indexing improving database performance.