---
title: "Sumit Jain - Junior Software Developer in Pune District | Tal"
description: "Meet Sumit Jain, Software Engineer @ Techspawn | Backend & Distributed Systems | Node.js · NestJS · TypeScript · PostgreSQL · Redis | Building scalable OMS & integrations based in Pune District. AI stack includes claude, codex, and opencode."
image: "https://tal.club/meet/sumit-jain-2/share-image"
---

# Sumit Jain on Tal

## Headline

Software Engineer @ Techspawn \| Backend & Distributed Systems \| Node\.js · NestJS · TypeScript · PostgreSQL · Redis \| Building scalable OMS & integrations

## About

Backend\-focused Software Engineer at Techspawn Solutions, building distributed, multi\-tenant systems that scale to hundreds of stores and 50K\+ events a day\. I work primarily with Node\.js, NestJS, TypeScript, PostgreSQL, and Redis, and I like the hard parts of backend: event\-driven architectures, event sourcing/CQRS, OAuth 2\.0 flows, webhook processing, and third\-party integrations \(Shopify, Wix, WooCommerce, Stripe, FedEx\)\. Recently I shipped an end\-to\-end Wix integration for an Order Management System that cut merchant onboarding time by 60%, and built a JWT\-verified webhook pipeline handling 50K\+ events/day at 99\.9% reliability\. B\.Tech in IT \(Honors in ML\), CGPA 9\.0/10\. OCI Generative AI Professional certified\. 350\+ DSA problems solved\. Open to backend / full\-stack Software Engineer roles\. Reach me at sumitjain0721@gmail\.com\.

## Location

Pune District

## AI stack

claude

codex

opencode

## Work experience

Junior Software Developer at TechSpawn Solutions, May 2026 \- Present · 3 mos, • Built end\-to\-end Wix integration for the multi\-tenant OMS — OAuth install flow, access token exchange, and automated sales channel \+ stock location setup\. • Implemented a JWT\-verified webhook handler \(RS256\) routing Wix product, order, inventory, and customer events into BullMQ workers for async processing\. • Added bidirectional disconnect/uninstall handling and initial product \+ customer import jobs, achieving parity with the existing Shopify and WooCommerce flows\.

Trainee Software Developer at TechSpawn Solutions, Dec 2025 \- Apr 2026 · 5 mos, • Built the FedEx shipping integration as a Medusa fulfillment provider — OAuth auth, rate estimation, shipment creation, and label generation\. • Fixed import/export bugs in the Shopify and WooCommerce sync pipelines, improving reliability for product, customer, and order syncs\. • Shipped admin UI enhancements — rebuilt the filter bar, improved the search menu UX, and polished multiple data tables and forms across the dashboard\.

Android Developer at Shree Ramdev Enterprises, Nov 2024 \- Feb 2025 · 4 mos, Solapur, Maharashtra, India, • Developed an inventory system using Java, XML, Firebase, and REST APIs, improving tracking speed by 30%\. • Implemented order management and billing modules that reduced manual entry errors by 40%\. • Automated stock categorization, increasing inventory update efficiency by 50%\.

## Education

Bachelor of Technology \- BTech, Information Technology, Walchand Institute of Technology, Solapur

[View the original profile](https://tal.club/meet/sumit-jain-2)

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