01About

6+ years designing, building, and owning backend systems that banks and NBFCs trust with real money — end-to-end integrations, payment infrastructure, and the production reliability behind them. Currently also building AI agents that triage and resolve production issues before they reach a human.

0 Years Experience
0 Microservices Led
0 API Latency Cut
0 Reconciliation Automated

02Experience

Primathon

Indore

SDE 1

Sep 2022 – Feb 2025

Designed and delivered scalable microservices for user management and investment workflows, and integrated third-party embedded-finance, KYC/Digilocker, and payment gateway APIs for partner interoperability. Built a GraphQL admin backend and optimized database schemas — cutting query latency by 40% and improving cross-service data consistency. Automated recurring business reporting with an internal dashboard built on Apache Airflow.

Airtel

Delhi, India

Python Developer

Nov 2020 – Apr 2022

Automated network operations across Nokia, Huawei & Ericsson environments with Python scripts and Flask-based tooling — eliminating 14+ hours of manual work every week. Via Accenture, V5 Global, Indovision.

Graduate Engineer Trainee

Jan 2020 – Oct 2020

Built network automation web applications across Nokia, Ciena & Huawei environments — automating 25+ manual processes and saving 20+ hours per week.

03Selected Engineering Work

Detailed write-ups of the systems I've built — the production problem, how it was architected, what I owned, and what changed as a result — are on their way. Click a card for details.

04Skills

Fintech Systems

Banking & NBFC APIs, FD / RD / Credit Cards / Savings, Payment Gateways (Razorpay, PayU, Cashfree), TPV & Autopay, KYC / Digilocker, Reconciliation Automation

Backend & Distributed Systems

Node.js, NestJS, Express.js, Python (Flask), TypeScript, REST & GraphQL, Microservices, Event-driven Architecture, SQS & BullMQ, Idempotency & Caching

Databases

MySQL, PostgreSQL, MongoDB, DynamoDB, Redis

Cloud & Infrastructure

AWS (Lambda, ECS, EC2, S3, EventBridge), Athena & Glue, CloudWatch, Docker, Jenkins / CI-CD

Engineering & AI Tools

Git, Incident Management & RCA, Structured Logging, Claude, Cursor, Codex

05Education & Achievements

2016 – 2020

B.Tech in Computer Science and Engineering

NIIT University, Neemrana, Rajasthan

Jun 2024

Runner-up — Generative AI Hackathon

Primathon · Indore

06Let's Build Something That Doesn't Break

Open to Senior Backend Engineer, Full-Stack, and Tech Lead roles — especially in fintech, payments, and banking infrastructure.

sms1999.shah@gmail.com  ·  +91 6263915344

Production systems shipped for