Pratik Das
Backend-Focused Software Engineer
Siliguri
Summary
Backend-focused Software Engineer with 9+ years of experience building scalable web applications, including 4 years of hands-on backend development with Node.js, Express, NestJS, MySQL, and PostgreSQL—supported by a strong foundation in LAMP stack development. Skilled in API design, backend architecture, and CI/CD automation. Experienced in requirement analysis, module design, and mentoring junior engineers. Committed to delivering performant, reliable, and maintainable backend solutions, with occasional contributions to Angular, React, and WordPress projects.
Overview
9
9
years of professional experience
Work History
Software Engineer - L2
INNCREWIN TECHNOLOGIES
02.2022 - Current
- Built a low-cost 24×7 scheduled HLS streaming pipeline using Eyvine Channel Engine with Node.js/Fastify for dynamic M3U8 playlist generation.
- Reduced AWS MediaLive cost from $800/channel → ~$150/month using EC2, RDS, S3, and CloudFront for 100+ channels.
- Resolved a $1,000/13-day CDN spike by reverse-engineering Eyvine and fixing an infinite M3U8 polling loop causing TB-level over-fetch.
- Reverse-engineered a legacy Symfony framework and led its migration to Node.js + NestJS, improving maintainability and type safety.
- Implemented a pluggable adapter/factory pattern with dependency injection, middleware, and unified APIs for Shopify and BigCommerce; established NestJS standards across the team.
- Delivered and maintained 10+ small to mid-size backend projects, including API development, feature enhancements, debugging, and CI/CD pipeline improvements.
Web Developer
TECHNO EXPONENT (T-WEB EXPONENT SERVICE PRIVATE LIMITED)
06.2019 - 01.2022
- Led backend and CMS development for CECAM (Centre Européen de Calcul Atomique et Moléculaire), a Swiss research organization, using Laravel and October CMS to deliver a scalable, SEO-optimized event management platform.
- Implemented OAuth 2.0–based SSO across multiple WordPress and Laravel sites, enabling unified authentication and improving security.
- Customized and extended WordPress themes and plugins (including DOKAN) to add new features and enhance multi-vendor functionality.
- Contributed to CMS and API development for a university event platform and a babysitter booking mobile app.
Web Developer
TECHNOGLEAM
08.2016 - 05.2019
- Developed and maintained custom CMS and travel management systems using Core PHP and MySQL, including a live deployment for a travel agency (windozslg.com).
- Designed backend logic for hotel, package, and car booking modules, integrating workflows for users, agents, and admins as the lead developer.
- Built automated reports and data-driven dashboards to improve operational visibility and decision-making.
Education
Diploma - COMPUTER SCIENCE & TECHNOLOGY
Siliguri Govt. Polytechnic
Siliguri, West Bengal01.2016
Skills
Nodejs
Explored
- GCP clusters
- Kubernetes
- Microservice patterns for personal MVPs
Personal Information
- Date of Birth: 05/28/95
- Marital Status: Single
Impact Highlight And Key Skills
- Plugr.life - Scheduled HLS Live TV, Engineered a cost-optimized 24×7 TV channel using dynamic m3u8 playlist generation and Eyvine Channel Engine, cutting MediaLive costs from $800 to ~$150/month. Fixed a TB-level CDN over-fetch bug by reverse-engineering Eyvine and patching an infinite segment polling loop.
- Extensible Service Framework (ESF - Internal Product), Migrated a Symfony platform to Node.js/NestJS, introduced TypeScript, and implemented a factory/adapter pattern + dependency-injection-based architecture to unify Shopify & BigCommerce customer APIs, delivering a production-ready prototype.
- CECAM (Swiss University) - Event Platform, Designed data models, led a 3-member team, and co-developed the platform with the university's HOD-delivered on time and helped strengthen the client confidence, leading to 10+ follow-up projects.
Timeline
Software Engineer - L2
INNCREWIN TECHNOLOGIES
02.2022 - Current
Web Developer
TECHNO EXPONENT (T-WEB EXPONENT SERVICE PRIVATE LIMITED)
06.2019 - 01.2022
Web Developer
TECHNOGLEAM
08.2016 - 05.2019
Diploma - COMPUTER SCIENCE & TECHNOLOGY
Siliguri Govt. Polytechnic