Sonu Kumar

Assistant System Engineer

Tata Consultancy Services•  January 2024 - Present•  Thane, Mumbai

Engineered Java-based microservices to support high-throughput data processing, integrating Kafka for real-time stream processing. Utilized threading and concurrency techniques in Java to manage parallel data processing tasks. Optimized Kafka consumers and producers, achieving a 25% improvement in message processing latency. Developed Python scripts for automated data parsing, validation, and transformation, reducing manual errors by 50% and implemented SFTP solutions for efficient, secure transfer of multi-GB zipped files across distributed servers. Utilized Helm for templating and managing Kubernetes deployments, simplifying complex multi-environment setups.

Backend Developer

Dappunk•  May 2023 - January 2024•  Remote

Integrated Stripe Payment Gateway: Processed online payments seamlessly and securely, expanding financial functionality. Integrated Alchemy API: Leveraged robust blockchain infrastructure for reliable and scalable interactions with blockchain networks. Implemented WebSockets: Established real-time, bidirectional communication channels for enhanced user experiences and data synchronization. Scalable Infrastructure Design and Deployment: Designed and deployed a scalable, secure, and cost-effective backend infrastructure on AWS.

Full Stack Developer Intern

Boossti•  December 2021 - June 2022•  Remote

Wrote Production-ready code with fluency in modern front-end (React/Next) and backend (Express/Node) framework. Used AWS SDK & Amplify in cooperation with continuous integration and test automation and supported software reuse and refactoring.