[SYSTEM INITIALIZED]Jan 2020 – Sep 2021
Backend Developer
Henceforth Solutions Pvt. Ltd. · Mohali, India
First production role. Backend APIs, web applications and AWS integrations for client products.
RESPONSIBILITIES
- Built backend APIs and web applications using Node.js, React, MySQL and PostgreSQL.
- Developed responsive interfaces using React, HTML, CSS and Bootstrap.
- Integrated AWS Lambda, S3 and EC2 into production applications.
- Worked with Git, pull requests and collaborative development workflows.
- Delivered 4+ client products end-to-end, covering API design, data modelling and deployment.VERIFY — Unverified — only in: XR resume (older, tailored)
- Implemented subscription management, webhook handling and role-based access control on multi-tenant SaaS platforms.VERIFY — Unverified — only in: XR resume (older, tailored)
- Built smart-contract integrations with Solidity and Web3.js for NFT and token-gating flows.VERIFY — Unverified — only in: XR resume (older, tailored)
TECHNOLOGIES
- Node.js
- React
- MySQL
- PostgreSQL
- Redis
- AWS Lambda
- S3
- EC2
- CloudWatch
- Bootstrap
- Git
MISSIONS FROM THIS PERIOD
- MISSION 004CoreAIAWS AI video-detection system for automated post-production — Lambda, Rekognition, S3, FFmpeg.VERIFY — Unverified — only in: XR resume (older, tailored)
- MISSION 005EverlensBackend architecture and Solidity smart-contract integration for NFT minting — Node.js, Solidity, Web3.js.VERIFY — Unverified — only in: XR resume (older, tailored)
- MISSION 006PotsworkDescribed together with Wedeliver: subscription engine, delivery-tracking API and push-notification service — Node.js, MongoDB, Firebase.VERIFY — Unverified — only in: XR resume (older, tailored)
- MISSION 007WedeliverDescribed together with Potswork: subscription engine, delivery-tracking API and push-notification service — Node.js, MongoDB, Firebase.VERIFY — Unverified — only in: XR resume (older, tailored)
CHALLENGES
- Keeping production applications fast and available as they grew.
ACCOMPLISHMENTS
- Improved application performance through SQL optimisation, Redis caching and CloudWatch monitoring, maintaining approximately 99.5% uptime.
LESSONS LEARNED
- Performance problems are found with measurements, not opinions — the fix is usually a query, an index or a cache, not a bigger server.VERIFY — Unverified — only in: Drafted copy — confirm voice