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sanjitdash255

Sanjit Dash

@sanjitdash255

Backend Engineer Python FastAPI PostgreSQL

Bangladesh
English, Hindi, Bengali
About me
I build reliable backend systems for SaaS founders and software agencies. Payment webhooks fail silently. Duplicates charge customers twice. Event pipelines drop messages under load. That's the problem I solve. I build APIs, integrate payment systems (Stripe, PayPal, WooCommerce), automate workflows, and fix or optimize existing applications. Stack: Python, FastAPI, PostgreSQL, Redis, Celery, Docker. If you're building payment infrastructure or need a backend that doesn't break under load, let's talk. ... Read more

Skills

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sanjitdash255
Sanjit Dash
Offline • 
Average response time: 1 hour

See my services

API & Integrations
I will build a production grade fastapi backend with webhooks, retries and monitoring
From$80 / projectMore details
Custom Websites
I will build a high performance headless ecommerce storefront with nextjs
From$150 / projectMore details

Portfolio

Work experience

Babylon_Resources

Python Developer

Babylon Resources • Full-time

May 2024 - Jan 2026 • 1 yr 8 mos

Contributed to production backend systems and AI-powered features across two live products. Reply Master AI — AI Product • Developed Python backend functionality and API integrations for an AI-powered product. • Worked with AI/LLM-backed features and integrations. • Debugged and improved backend functionality for reliable product behavior. GPS 71 — Software Product • Developed backend features and integrations for a live production system. • Investigated bugs and translated product requirements into reliable solutions. Core Engineering • Developed and maintained REST APIs with a focus on reliability and clean backend design. • Debugged backend issues and worked toward root-cause solutions. Independent Client Projects • Delivered web/backend solutions for Ariel Power Solutions and Zenvy Fashion. • Translated business requirements into functional, usable digital products.