Roshan Kumar

Proof of Experience

Edgistify · Jan 2024 – Present

Led end-to-end development of the Sonic same-day delivery system, optimizing warehouse-to-delivery flow and reducing order processing time by 60%.
Built a Shopify integration and automated its app deployment through GitHub Actions CI/CD, enabling one-click merchant onboarding and OAuth-based installation while cutting integration setup time by ~70%.
Architected an event-driven Tally ERP integration: on inventory inward, published stock XML to AWS SQS, consumed by the installed client-side app to auto-sync and process inventory into the Edgistify platform in near real-time eliminating manual data entry and reducing reconciliation errors by ~90%.
Engineered automated SKU routing, trip creation, and warehouse bin allocation using Google Maps API and scalable backend workflows.
Deployed heavy operations like bulk picklist creation and invoice generation to AWS Lambda, improving response time and server stability by 40%.
Managed AWS EC2 instances, automated deployments via GitHub Actions CI/CD, and optimized infrastructure for scalability.

Nuclay Solutions · Jun 2023 – Dec 2024

Developed a community-driven social media PWA with stories, chat, and real-time notifications and a personalized feed suggestion engine, scaling to 10K+ active users and lifting daily active engagement by ~50% using React, Next.js, Node.js, and Firebase on AWS.

Nourish Genie · Apr 2023 – May 2023

Built an admin dashboard for user and data management with analytics and access control using React, Node.js, Express, and MongoDB.

Luezoid Technologies · Jul 2022 – Oct 2022

Built backend for data-selling platform using Node.js, MongoDB, ElasticSearch, Redis, improving search and billing workflow.

Fiverr · Jun 2021 – Jul 2022

No completed sessions yet. Anything Roshan finishes shows up here with the evidence behind it.

Laxmi Devi Institute of Engineering and Technology · 2019 — 2023