Jagdish Parihar

Backend Engineer

Zzazz.ai•  December 2023 - Present•  Bengaluru, India

- Designed a secure Single Sign-On (SSO) authentication system, enabling seamless user access across multiple platforms. - Migrated Python-based crawling and analytics to Rust, achieving a 200% performance improvement with a 40% reduction in resource usage. - Implemented Test-Driven Development (TDD) and Domain-Driven Design (DDD) practices to enhance code maintainability and scalability. - Optimized backend architecture for high-volume data processing, reducing response times by 30%.

Backend Engineer

Biofourmis India Pvt. Ltd.•  September 2022 - November 2023•  Bengaluru, India

- Developed a healthcare system enabling hospitals to remotely monitor and treat patients. - Designed a Notification microservice in GoLang, reducing server RAM usage by 40. - Streamlined inter-service communication with REST APIs and Kafka messaging, improving system efficiency.

Backend Engineer

Habitat•  June 2021 - August 2022•  Delhi, India

- Architected a scalable modern chatroom and instant messaging system, leveraging Redis Pub/Sub for efficient concurrency and enabling up to 2k+ concurrent users on EC2 t3.small instances. - Adopted NestJS to improve system maintainability and infrastructure adaptability. Explored and integrated WebSocket alternatives to enhance messaging performance.

Backend Engineer

Quor•  October 2020 - June 2021•  Uttarakhand, India

Implemented GraphQL APIs to resolve data under-fetching/over-fetching issues. Built RabbitMQ-based producer/worker architecture to expedite crawling tasks. Optimized Elasticsearch queries for faster time-based responses and designed external APIs for internal service consumption.