Freelance Backend Engineers in Mumbai

Freelance Backend Engineers in MumbaiFreelance Backend Engineers in Mumbai

Projects People

Full-stack dev. 6 years. I've shipped, not just coded.

New to Contra

Full-stack dev. 6 years. I've shipped, not just coded.

Cover image for WorkUnion is a construction workforce

WorkUnion is a construction workforce platform that connects contractors, workers, and site teams in one digital workflow. It supports job posting, worker hiring, site management, attendance, Hajri/payment tracking, worker profiles, notifications, and contractor operations across mobile and web. What I Built: - Mobile app for workers and contractors - Contractor web dashboard - Public website / web client - Backend APIs with authentication, jobs, sites, attendance, payments, notifications, and admin support - Production deployment setup for backend, web, Play Store, and App Store releases Website: https://www.workunion.in/ Web App: https://app.workunion.in/ Store: Link (https://play.google.com/store/apps/details?id=com.workunion.app&hl=en_IN)

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Cover image for Barqly: Multi-App Food Delivery Platform

Built

Barqly: Multi-App Food Delivery Platform Built a production-ready food delivery platform with separate apps for customers, vendors, and riders, plus an admin dashboard, customer web app, marketing website, and backend system. The platform handles ordering, payments, wallet/coins, live rider tracking, vendor order management, dispatch, refunds, analytics, and admin operations. What I Built: I developed the full Barqly ecosystem end to end: - Customer mobile app for browsing restaurants, checkout, payments, wallet, order tracking, and support. - Vendor mobile app for receiving orders, managing preparation, and store operations. - Rider mobile app for deliveries, live location, job handling, earnings, and proof uploads. - Admin web dashboard for orders, users, vendors, riders, payments, fraud/CRM, dispatch, batching, and live control tower. - Customer web app for ordering from browser. - Public website/landing page for the brand. - Backend API with authentication, payments, wallet, Barqly Coins, dispatch, notifications, refunds, payouts, analytics, and deployment setup. Links: Website: https://www.barqlyapp.com/ (https://www.barqlyapp.com/)Customer App : Play Store (https://Play Store / App Store) / App Store (https://apps.apple.com/in/app/barqly-food/id6761429746)Vendor App: Play Store (https://play.google.com/store/apps/details?id=com.barqly.partner) / App Store (https://apps.apple.com/in/app/barqly-partner/id6761430094)Rider App: Play Store (https://play.google.com/store/apps/details?id=com.barqly.rider&hl=en_IN) / App Store (https://apps.apple.com/in/app/barqly-rider/id6761430018)

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Cover image for I just built a complete

I just built a complete AI Live: Chat platform in one go. Introducing XOchat, a polished, high-performance template for Anything Marketplace. The Build: https://omnichat-ai-customer-suppor-1.created.app/ What’s inside: - Bring Your Own Key (OpenAI) support - Real-time human-in-the-loop monitoring - Get real leads - 100% customizable UI for any site I designed this specifically to be a remixable template for the Anything Marketplace. It stretches the builder to the limit with a secure dashboard and a seamless widget embed. Check out the walkthrough below!

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Cover image for Showcase Your Creativity: Build a Personal Website on Zo Com...

Built a creative personal website on Zo Computer. It’s an interactive system showing my products and how I build. Live: https://vijeet.zo.space

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Backend Engineer(2)

Fullstack Engineer with NodeJS & Fintech Exp

Fullstack Engineer with NodeJS & Fintech Exp

Cover image for Digital Taxation System for National Government

Digital Taxation System for National Government

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Cover image for Fintech API Development with Django, PostgreSQL, and Redis

Fintech API Development with Django, PostgreSQL, and Redis

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Cover image for AWS Solution Architect - Consultant

AWS Solution Architect - Consultant

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Cover image for AWS Migration/Consulting/Managing

AWS Migration/Consulting/Managing

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Backend Engineer(5)

Anushka Pandhere

Proactive Problem-Solver | High-Quality Work

Proactive Problem-Solver | High-Quality Work

Cover image for PandhereAnu10/Secure-Meet

PandhereAnu10/Secure-Meet

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Cover image for PandhereAnu10/DutyMonitor

PandhereAnu10/DutyMonitor

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Cover image for GitHub - PandhereAnu10/ChatBot

GitHub - PandhereAnu10/ChatBot

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Backend Engineer(2)

Cutting-edge React & Django Web Developer

Cutting-edge React & Django Web Developer

Cover image for Postlabelled Ecommerce Web

Postlabelled Ecommerce Web

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Cover image for Dryrobe Ecommerce web

Dryrobe Ecommerce web

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Cover image for Furopista

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Backend Engineer(2)

Rajendra Behera

Next.js Full Stack Developer | Data Analyst

Next.js Full Stack Developer | Data Analyst

Cover image for Rajendra-65/socialMediaWebApp

Rajendra-65/socialMediaWebApp

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Cover image for Rajendra-65/rajendra-portfolio-latest

Rajendra-65/rajendra-portfolio-latest

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Cover image for Power BI End-to-End with DAX

Power BI End-to-End with DAX

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Backend Engineer(2)

FastAPI, AI & RAG Engineer helping startups ship faster

New to Contra

FastAPI, AI & RAG Engineer helping startups ship faster

Cover image for Quant Terminal is a portfolio

Quant Terminal is a portfolio analytics and asset management platform designed to help investors monitor holdings, analyse diversification, and evaluate portfolio allocation strategies. The platform provides a real-time view of portfolio performance while offering allocation analysis across multiple asset classes including equities, commodities, cryptocurrencies, and foreign exchange markets. Key Features: • Portfolio holdings dashboard • Real-time P&L monitoring • Diversification analysis • Portfolio drift detection • Strategy-based portfolio views • Asset allocation management • CSV export functionality • Interactive desktop interface Tech Stack: Python, Data Analytics, Portfolio Modelling, Financial Data Processing, Desktop Application Development Role: Sole Developer and System Designer Outcome: Built a functional portfolio management terminal capable of tracking holdings, visualising allocation drift, and supporting portfolio rebalancing decisions through quantitative analysis.

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Cover image for Anchor is an AI governance

Anchor is an AI governance platform designed to provide deterministic policy enforcement for AI systems and autonomous agents. The platform focuses on a critical problem facing enterprises adopting AI: ensuring that model-driven decisions remain explainable, auditable, and compliant with organizational policies. Key capabilities include: • Constitutional governance architecture • Policy-based execution controls • Deterministic decision validation • Replayable audit trails • Entity visibility and access governance • Runtime compliance verification • Governance observability and traceability The system is designed around the principle that governance decisions should be independently verifiable rather than dependent on opaque model behaviour. Tech Stack: Python, FastAPI, PostgreSQL, Docker, JWT Authentication, Audit Logging, Governance Engine Design Role: Founder, System Architect, Backend Engineer Project Links: Website: https://www.animuslab.dev (https://www.animuslab.dev)GitHub: https://github.com/AnimusLab/Anchor Research: https://zenodo.org/records/19734724

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Cover image for Shadow Watch — Behavioral Intelligence

Shadow Watch — Behavioral Intelligence & Account Security Platform Description Shadow Watch is a behavioral intelligence platform that continuously analyzes user interaction patterns to build behavioral profiles, detect anomalies, and strengthen account security without introducing friction to the user experience. Instead of relying solely on passwords or one-time verification checks, Shadow Watch observes behavioral continuity over time to establish trust signals and identify potentially compromised sessions. The system combines behavioral fingerprinting, activity analysis, risk scoring, and anomaly detection to help organizations recognize suspicious account activity before it escalates into an account takeover event. Key Features Behavioral fingerprint generation User activity intelligence Trust score calculation Session anomaly detection Account takeover prevention Temporal behavior analysis Privacy-conscious architecture Tech Stack Python • FastAPI • PostgreSQL • Security Engineering • Behavioral Analytics • Risk Scoring

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Cover image for Grid CLI is a terminal-first

Grid CLI is a terminal-first developer platform designed to streamline repository management, project automation, diagnostics, and AI-assisted workflows through a unified command interface. Built around a custom shell architecture, Grid CLI enables developers to initialize projects, audit repositories, execute automated tasks, manage environments, and interact with AI-powered development tooling without leaving the terminal. The project focuses heavily on developer experience, modular command design, extensibility, and productivity automation. Key Features Custom interactive shell Repository diagnostics and auditing Project initialization workflows Automation and task execution Modular command architecture AI-assisted developer operations Cross-project workspace management Tech Stack Python • CLI Engineering • Automation • Git • Developer Tooling • Terminal UI

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Backend Engineer(2)

🔧 Full-Stack Wizard: Crafting Perfect Sites 🖥️

🔧 Full-Stack Wizard: Crafting Perfect Sites 🖥️

Cover image for Paramg - Backend for a mobile application

Paramg - Backend for a mobile application

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Cover image for Divine Drive - Backend for Self-help application

Divine Drive - Backend for Self-help application

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Cover image for Parasdham Girnar - A mobile-first hotel booking website

Parasdham Girnar - A mobile-first hotel booking website

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Backend Engineer(3)

Abhijeet Gurjar

Full-Stack Developer: Backend, Cloud, Frontend

Full-Stack Developer: Backend, Cloud, Frontend

Cover image for Backend Developer for Genpact's Genome Platform

Backend Developer for Genpact's Genome Platform

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Cover image for Real-time Dashboard Development for Genpact's Genome Platform

Real-time Dashboard Development for Genpact's Genome Platform

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Cover image for Optimizing Database Performance in a High-Traffic Application

Optimizing Database Performance in a High-Traffic Application

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Backend Engineer(3)