Freelance Backend Engineers in Pune

Freelance Backend Engineers in PuneFreelance Backend Engineers in Pune

Projects People

Abhishek Gawade

Full Stack Web Developer | Django | FastAPI | Python | APIs

Full Stack Web Developer | Django | FastAPI | Python | APIs

Cover image for IYS Skills Taxonomy and Skills Profiler

IYS Skills Taxonomy and Skills Profiler

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Cover image for DocPro WebApp with FastAPI and Microservices

DocPro WebApp with FastAPI and Microservices

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Cover image for iPurvey WhatsApp Chatbot

iPurvey WhatsApp Chatbot

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Cover image for Saaga Green Farms API

Saaga Green Farms API

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Backend Engineer(3)

Full-Stack Web & App Developer | React, Flutter, React Nativ

$1k+: Earned

2x: Hired

5.0: Rating

16: Followers

Expert

Full-Stack Web & App Developer | React, Flutter, React Nativ

Cover image for I recently added Agent.so (http://Agent.so)

I recently added Agent.so (http://Agent.so) to swado.in (http://swado.in) to make user interaction smoother and more personalized. With this chatbot: ✅ Visitors can instantly get answers to common queries ✅ It provides a more engaging experience without needing a support team online 24/7 ✅ It’s lightweight, fast, and easy to customize Integration was super simple — just a few lines of code to embed the widget, and the chatbot was live in minutes. This is a great way for startups and small teams to automate conversations and capture leads while focusing on building their product. 💡

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Cover image for Commonfold is a connecting bridge

Commonfold is a connecting bridge between church and congregants. It is helping connect pastors with congregants, share common knowledge, helps pastors plan visits and organise the good work.

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Cover image for React Native Website + App

React Native Website + App completed for client from Costa Rica. Barana is a customisable food subscription app to cater diet sensitive audience. I am Happy i was part of this app.

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Cover image for 🚀 Just integrated an AI chatbot on strumio.swado.in (http:/...

🚀 Just integrated an AI chatbot on strumio.swado.in (http://strumio.swado.in) to make learning guitar even smoother! 🎸 Using @Agent.so (http://Agent.so), I built a smart assistant that helps users find song chords, strumming patterns, and chord progressions instantly. The goal is to make learning feel natural, interactive, and beginner-friendly. 💬 Ask the bot about your favorite song, get real-time strumming patterns, or explore new progressions — all in one place. This is just the beginning. Excited to keep improving the experience! ⚡ #AI #Guitar #Agentso #WebDevelopment #Strumio #Chatbot #ContraCommunity

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Backend Engineer(1)

AI developer & backend engineer 💻

$1k+: Earned

1x: Hired

5.0: Rating

4: Followers

AI developer & backend engineer 💻

Cover image for Building Conversational AI Chatbot

Building Conversational AI Chatbot

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Cover image for ChatGPT Prompt Engineer

ChatGPT Prompt Engineer

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Cover image for Professional Technical Solution Consultant

Professional Technical Solution Consultant

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Backend Engineer(1)

Swapnil Bansode

Full Stack Software Developer | Laravel Expert | CRM, MLM

New to Contra

Full Stack Software Developer | Laravel Expert | CRM, MLM

Cover image for Get complete control over your

Get complete control over your network marketing business with a centralized, automated administration hub. Based on the robust architecture of MLM Engine, I deliver secure, highly customizable, and "India-Ready" MLM platforms designed to manage your entire downline layout and process accurate commission calculations without glitching. What you will get: • Fully custom compensation plans (Binary with leg balancing calculators, Forced Matrix N×N plans, Single Leg, and Generation structures) • Centralized Admin & Distributor Command Centers (Real-time tracking of registration, sales volume, and conversion rates) • Secure automated E-Wallet & E-Pin transaction frameworks for payouts and digital token management • Regional Indian integrations (GST-compliant digital invoicing, UPI payment gateways, and automated WhatsApp notifications) MLM Software, Network Marketing, Binary Plan, Matrix Plan, Generation Plan, FinTech, E-Wallet System, E-Commerce Integration, Software Development

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Cover image for 1. Pages to be Redesigned

We

1. Pages to be Redesigned We would like a complete website redesign covering all major pages, including: Home Page Shop / Products Page Product Details Page About Us Page Cart Page Checkout Page Contact Us Page A full multi-page redesign is preferred to create a strong retail-focused online shopping experience. 2. Design Style & Feel The website should reflect a premium coffee brand with: Warm and earthy color tones Artisan coffee shop atmosphere Modern and bold visual design Clean, professional layouts High-quality product presentation Mobile-friendly and responsive design The designer can suggest creative ideas while maintaining a premium coffee brand identity. 3. Functionality Requirements The website should include working eCommerce functionality, such as: Product listing and filtering Product detail pages Add-to-Cart functionality Shopping Cart page Cart drawer / mini cart Checkout flow (demo or functional) User-friendly navigation Mobile-responsive experience 4. Product Data For the design and development phase, product information can initially be hardcoded in the frontend. Dynamic backend integration can be added later if required. 5. Content & Brand Direction The redesign should take inspiration from the existing Gold Coffee website while improving the overall user experience and visual appeal. Please retain: Brand identity and coffee-focused messaging Company story and heritage (where applicable) Core product categories You may also take creative liberty to enhance content, layouts, imagery, and user experience while maintaining the premium coffee brand voice.

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Cover image for Apna World – Global Immigrant

Apna World – Global Immigrant Social Networking Platform Project Overview Apna World is a community-driven social networking platform designed to connect immigrants worldwide through meaningful interactions, cultural exchange, and local support networks. The platform enables users to build connections, share experiences, discover opportunities, and engage with communities that help them adapt and thrive in their new environments. Challenge Immigrants often face challenges when relocating to a new country, including finding reliable information, building professional and social networks, discovering local communities, and accessing support resources. Existing social platforms are often too broad and lack features specifically tailored to immigrant communities. Solution Developed a comprehensive social networking ecosystem that allows users to: Create and manage personal profiles Connect with fellow immigrants and local communities Share posts, experiences, and updates Discover events and community activities Participate in discussions and support groups Build professional and personal networks Access location-based community resources Engage through real-time interactions and notifications Key Features User Management Secure Registration & Login Profile Creation & Customization Privacy Controls User Verification Social Networking News Feed & Activity Stream Friend & Connection Requests Community Groups Follow & Engagement System Likes, Comments & Sharing Community Engagement Discussion Forums Cultural Communities Event Management Community Announcements Resource Sharing Communication Real-Time Messaging Notifications System In-App Communication User Interaction Tracking Content Management Post Creation & Publishing Image & Media Uploads Content Moderation Reporting & Management Tools Admin Dashboard User Management Community Moderation Content Monitoring Analytics & Reporting Platform Configuration Technology Stack Backend PHP Laravel REST API Development MySQL Database Frontend Laravel Livewire Responsive UI/UX Design Mobile-First Development Administration Filament Admin Panel Role-Based Access Control Infrastructure Cloud Hosting Security Implementation Performance Optimization My Contributions Full-Stack Application Development Database Architecture Design Social Networking Feature Development API Development & Integration Admin Panel Development User Authentication & Security Responsive Frontend Implementation Testing & Deployment Results Created a scalable community platform for global immigrants. Improved user engagement through social networking features. Enabled community-driven knowledge sharing and support. Delivered a secure and mobile-friendly user experience. Built a robust administration system for efficient platform management. Skills Demonstrated Social Network Development Laravel Development Livewire Development Filament Admin Panel MySQL Database Design REST API Development Authentication & Security Responsive Web Development Community Platform Architecture Full-Stack Development Project Type: Social Networking Platform | Community Portal | Immigrant Support Ecosystem | Web Application Development

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Cover image for Executive summary
Build a secure, web-based
platform

Executive summary Build a secure, web-based platform that allows individuals to register as agents (part-time / full-time), generate & manage leads for multiple financial products (home loan, personal loan, car loan, insurance, etc.), upload customer KYC & product documents, track status, and receive commissions. The platform supports a referral (downline) tree where agents get referral commissions from their direct referrals only. Two portals will be delivered: Admin panel — registration management, lead review workflow, payouts, reports, growth tracker, leaderboard, and manual commission payouts. Agent (user) panel — registration, email verification, KYC/bank uploads, create & update leads, track wallets, referral link & downline monitoring, edit profile. Additionally, a responsive corporate website (4–5 pages, see Options) and a downloadable responsive APK hosted on the website. Backend: Laravel (PHP 8.x) Database: MySQL Frontend: HTML5, CSS3, Bootstrap, JS App Type: PWA (Progressive Web App) Security: SSL, Encrypted Authentication, Role-based Access Deliverables (what we will provide) Core platform (Web) 1. Agent Registration & Onboarding Public registration link. Fields: name, mobile number, email, address, city. Email verification with code. Upload KYC & bank details (Aadhaar, PAN, bank details) for payout. Profile submitted for admin verification. Admin approval → agent gets joining confirmation email + welcome kit (PDF). 2. Agent Panel (User) Dashboard: lead summary, pending approvals, wallets, recent activity. Create New Lead / New File: lead name, mobile, email, product(s) of interest, product-specific document upload (Aadhaar, PAN, CIBIL or product doc), notes. Lead lifecycle tracking (open → under review → approved → rejected → closed). Edit lead (before final approval) and upload additional docs. Two separate wallet views: (A) Product Sales wallet, (B) Network/Referral wallet. Referral system: unique agent ID + referral link. Downline visualization (direct referrals only shown for earnings). Leaderboard (monthly & annual). Profile edit page (permitted fields). Notifications (email + in-app) for status updates, payout notices. 3. Admin Panel Agent registration approvals (view docs, approve/reject with remarks). Lead review dashboard: filter/sort by product, status, agent, date. Update lead status and add remarks (rejection reasons visible to agent). Manual commission payout processing (mark paid, export payout report). Wallet management (credit/debit for agents). Growth tracker and analytics: ■ Number of leads created / updated ■ Approved leads count ■ Rejected leads count & reasons ■ Agent-wise conversion rate Leaderboard admin settings & reward assignment. Downline management & referral commission configuration (percentages). Admin user management (roles: Super Admin, Finance, Operations). Export reports (CSV / Excel / PDF). 4. Commission & Referral Rules Product Sales commissions credited to Product Sales wallet upon lead completion (admin marks approved/completed). Network Income: commission awarded when a directly referred agent closes a deal. No commissions from second-level referrals. Commission payouts recorded and manually paid on 15th of every month (admin marks payouts). Two wallets visible to agent (product sales + network income). Admin can configure commission percentages per product. A unique Company Master ID will be created and integrated with the official website. All website-based customer inquiries and agent registrations will automatically be assigned under this Master ID. Agents joining through the company’s website referral link will follow the existing onboarding process (KYC, approval, dashboard access, commissions, referral system). Admin can view and manage all leads/registrations received through the website. This feature ensures centralized lead capture, direct agent onboarding, and seamless integration with the existing referral and commission structure. 6. Security & Compliance SSL / HTTPS ready. Role-based access control. Secure file uploads with virus scan / size limits. Audit logs for critical actions (lead status changes, payouts). Basic data retention policy (configurable). 7. Notifications & Emails Transactional emails: verification code, profile approval/rejection, lead status updates, payout confirmations, onboarding welcome kit. Configurable email templates. 8. APK Responsive Android APK (web-wrapper / PWA-based APK) that provides agent access (login, create leads, upload docs, track wallet). Note: For native Google Play publishing, additional work is a separate add-on. 9. Corporate Website (5-page): Home | About Us | Services | Agent Join (registration link & benefits) | Contact Us

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Backend Engineer(1)

I build secure and scalable web applications using MERN.

I build secure and scalable web applications using MERN.

Cover image for Vidly is a production-ready backend movie rental API built u...

Vidly is a production-ready backend movie rental API built using Node.js, Express and MongoDB. Key capabilities include: • JWT authentication & authorization • Role-based access for admin and users • Strong request validation & centralized error handling • Secure CRUD operations with clean REST API architecture Vidly demonstrates my ability to build secure, scalable and maintainable backend systems suitable for business applications, SaaS products and admin panels. If you're looking to develop a backend API or a full MERN application for your business, I’m available for freelance work and collaboration. GitHub: https://github.com/TusharKonala/Vidly

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Cover image for Food Delivery Admin Panel — MERN Dashboard for Menu & Orders...

Food Delivery Admin Panel — MERN Dashboard for Menu & Orders A full-stack admin panel for managing menu items and processing customer orders. Built with React, Node.js, Express and MongoDB, featuring role-based access, secure REST API endpoints and a clean UI to streamline restaurant operations. Live Link: https://food-del-admin-oju0.onrender.com/ GitHub: https://github.com/TusharKonala/food-del/tree/main/admin

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Cover image for Food Delivery Web App A full-stack MERN food delivery applic...

Food Delivery Web App A full-stack MERN food delivery application designed with two separate interfaces: a customer-facing React frontend for browsing meals, managing a cart and placing orders, and a dedicated admin panel for adding menu items, updating inventory and processing orders. The platform is powered by a secure Node/Express REST API with MongoDB database, role-based access control and scalable backend architecture — demonstrating complete end-to-end product development from UI to database. Live Link: https://food-del-frontend-zaiu.onrender.com/ GitHub: https://github.com/TusharKonala/food-del

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Cover image for GameHub - A Game Catalogue Web App Just finished building Ga...

GameHub - A Game Catalogue Web App Just finished building GameHub, a modern gaming platform UI built with React and TypeScript. The goal was to display large amounts of game data in a clean and responsive way, with filtering by genre, platform, rating and popularity. I focused on reusable components, smooth UI interactions and fast performance. If you’re looking to build a modern business website or dashboard with a clean and responsive UI, I’d be happy to help. Open to freelance opportunities — feel free to reach out! Live Link: https://game-hub-seven-ebon-45.vercel.app/ GitHub: https://github.com/TusharKonala/game-hub-adv

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Backend Engineer(1)

Full Stack Developer | MERN | Next.js | TypeScript

New to Contra

Full Stack Developer | MERN | Next.js | TypeScript

Cover image for 🚀 Introducing PrepMate AI –

🚀 Introducing PrepMate AI – An AI-Powered Mock Interview Platform Over the last 2 months, I designed and developed PrepMate AI, a full-stack web application that helps candidates prepare for interviews through realistic AI-powered interview simulations. Rather than building a simple chatbot, I focused on creating a complete interview preparation ecosystem with voice interactions, performance analytics, learning resources, and personalized interview experiences. 💡 What I Built ✅ Authentication & Secure User Management ✅ Resume Upload & Role-Based Interview Generation ✅ AI-Powered Mock Interview System • Resume-based Questions • Project-based Questions • Technical Questions • Behavioral Questions • Scenario-based Questions • Dynamic Follow-up Questions ✅ Voice-Based Interview Experience • Speech Recognition • Speech Synthesis • Real-time Voice Interaction ✅ Interview Monitoring Features • Webcam Integration • Focus Tracking • Tab Switch Detection ✅ Analytics Dashboard • Performance Insights • Skill Evaluation • Progress Tracking • Strength & Weakness Analysis ✅ Personalized Learning Hub • Technical Interview Resources • Behavioral Preparation • HR Question Bank • AI-Powered Recommendations 🛠 Tech Stack React.js • Vite • Tailwind CSS • Node.js • Express.js • MongoDB • JWT • AI Integrations • Web Speech API This project strengthened my experience in: • Full Stack Development • AI Product Development • API Integrations • System Design • Database Architecture • User Experience Design 🔗 Live Demo https://prepmate-mu.vercel.app 📂 GitHub https://github.com/ I'm currently available for freelance projects involving: • React Applications • MERN Stack Development • AI-Powered Products • SaaS Platforms • Full-Stack Web Applications If you're looking for a developer who can take a product from idea to deployment, let's connect.

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Cover image for BookNWatch
Overview
BookNWatch is a full-stack movie

BookNWatch Overview BookNWatch is a full-stack movie ticket booking platform built using the MERN stack. The application enables users to explore movies, select seats in real time, complete secure online payments, and receive automated booking confirmations. The platform also includes administrative controls for managing movies, shows, bookings, and users. Problem Online ticket booking systems must handle concurrent seat selection, secure payment processing, booking confirmations, and automated seat management without creating conflicts or double bookings. Solution I developed BookNWatch to provide a seamless movie ticket booking experience with real-time seat selection, secure Stripe payments, automated booking workflows, and reliable seat management through background job processing. Features Movie Discovery & Show Listings Real-Time Seat Selection Seat Locking System Secure Stripe Payments Booking Confirmation Emails Automated Booking Expiry Clerk Authentication Protected Routes Admin Dashboard Responsive User Interface Technical Implementation Frontend React.js Context API Backend Node.js Express.js Database MongoDB Mongoose Authentication Clerk Authentication Payments Stripe Stripe Webhooks Background Processing Inngest Email Services Nodemailer Key Highlights Server-side seat locking prevents double booking Automated booking expiration after inactivity Stripe webhook-based payment verification Background job processing using Inngest Automated email notifications and confirmations Secure authentication and authorization Scalable REST API architecture Full administrative control panel Tools & Technologies Frontend React.js Context API Axios Backend Node.js Express.js Database MongoDB Mongoose Authentication & Payments Clerk Stripe Stripe Webhooks Automation & Communication Inngest Nodemailer Development & Deployment Git GitHub Postman Vercel Live Project https://book-n-watch-mu.vercel.app Source Code https://github.com/sahilnikalje/BookNWatch

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Cover image for SkillBridge AI
Overview
SkillBridge AI is an

SkillBridge AI Overview SkillBridge AI is an AI-powered interview preparation platform designed to help job seekers evaluate their readiness for specific roles. Users can upload their resumes and compare them against job descriptions to receive personalized interview preparation resources, skill gap analysis, and AI-generated interview questions. Problem Candidates often struggle to understand how well their skills align with a job description and what areas require improvement before interviews. Manual analysis is time-consuming and lacks personalized guidance. Solution I built SkillBridge AI to automate resume evaluation and interview preparation using AI. The platform analyzes resumes against job descriptions, generates tailored interview questions, identifies skill gaps, and provides actionable preparation recommendations within seconds. Features Resume Upload & Analysis Job Description Matching AI-Powered Interview Question Generation Skill Gap Analysis ATS-Friendly Resume Generation Personalized Preparation Roadmap Detailed Interview Reports JWT Authentication & Protected Routes Responsive User Interface Technical Implementation Frontend React.js Vite SCSS Context API Backend Node.js Express.js Database MongoDB Mongoose AI Integration Groq API LLaMA 3.3 70B Authentication JWT Authentication Token Blacklisting Key Highlights Resume and Job Description analysis powered by AI Generates tailored interview questions in under 10 seconds Secure authentication with token blacklisting Modular REST API architecture Feature-based project structure Responsive and scalable user interface Personalized interview preparation workflow Tools & Technologies Frontend React.js Vite SCSS Context API Axios Backend Node.js Express.js Database MongoDB Mongoose AI & Authentication Groq API LLaMA 3.3 70B JWT bcrypt.js Development & Deployment Git GitHub Postman Render Netlify Live Project https://skillbridge-ai-1-ku8j.onrender.com Source Code https://github.com/sahilnikalje/skillbridge-ai

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Cover image for UrbanBites
Overview
UrbanBites is a full-stack food

UrbanBites Overview UrbanBites is a full-stack food ordering platform built using the MERN stack. The application enables users to browse food items, manage carts, place orders, and complete secure online payments through Stripe. It also includes a dedicated admin panel for managing food items and monitoring customer orders. Problem Many food ordering systems require separate workflows for customers and administrators while maintaining secure payments and efficient order management. UrbanBites was built to provide a streamlined ordering experience with centralized administration and secure transaction handling. Solution I developed a complete food ordering platform with role-based functionality for customers and administrators. The application supports user authentication, cart management, order processing, payment integration, and administrative controls through a responsive web interface. Features JWT-based Authentication & Authorization Food Browsing and Search Shopping Cart Management Order Placement and Tracking Stripe Payment Integration Admin Dashboard Food Item Management Order Monitoring and Status Updates Responsive User Interface RESTful API Architecture Technical Implementation Frontend React.js Context API CSS Backend Node.js Express.js Database MongoDB Mongoose Authentication JWT (JSON Web Tokens) Payments Stripe Key Highlights Secure authentication and protected routes Integrated Stripe payment workflow Scalable REST API architecture Centralized state management using Context API Admin panel for platform management Full CRUD operations for food items and orders Live Project https://urbanbites-1-evzi.onrender.com Source Code https://github.com/sahilnikalje/UrbanBites

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Backend Engineer(1)

Ashish Kumbhare

Senior Software Engineer |Mobile & Web Application Developer

New to Contra

Senior Software Engineer |Mobile & Web Application Developer

Cover image for AuctionIQ is an AI-powered platform for

AuctionIQ is an AI-powered platform for discovering and analyzing Indian bank auction properties. Banks auction properties when borrowers default on loans. These properties are often 15–35% below market price but carry legal risks most buyers don't understand. AuctionIQ helps investors by: Browsing live auction listings from banks across India AI Risk Scoring — 1–10 score based on possession type, SARFAESI status, DRT cases, bank type and discount Property Detail Analysis — legal red flags, payment schedule, due diligence checklist PDF Upload — admin uploads bank auction notice PDFs, Claude extracts listing data automatically ROI Calculator — estimate returns before bidding Smart Alerts — get notified when properties matching your criteria go live PDF Reports — detailed property analysis reports on demand Users: Free (browse only) → Pro ₹499/mo (risk scores, alerts, AI chat) → Investor ₹1499/mo (reports, ROI tools) Tech: React + Node.js + PostgreSQL + Claude AI (Anthropic)

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Cover image for An introductory landing page for

An introductory landing page for one of my client . Basic, Crisp & Clear.

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Cover image for One auditable system that links

One auditable system that links regulations, risks, documents, and corrective actions — so medical device companies are always inspection-ready.

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Cover image for Developed and enhanced the Caringly

Developed and enhanced the Caringly Yours web and mobile application using React and React Native, implementing responsive UI components, improving accessibility, integrating REST APIs, fixing bugs, optimizing performance, and collaborating with cross-functional teams to deliver a seamless user experience across platforms.

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Backend Engineer(1)

Cloud Infrastructure Engineer | AWS, Serverless & AI Systems

Cloud Infrastructure Engineer | AWS, Serverless & AI Systems

Cover image for PDFConverterOnlineFree – Node.js PDF Tool
I

PDFConverterOnlineFree – Node.js PDF Tool I built this project as a practical, real-world PDF tool that runs completely online and doesn’t rely on any database. The idea was simple — most PDF tools out there are either paid, slow, or store user files. I wanted to create something lightweight, fast, and privacy-friendly using open-source tools. 🔗 Project Link: https://github.com/deepakpatilauthor/PDF-Tool-Node-JS-Project What this project does This web app lets users: Convert PDFs to formats like Word, Excel, and images Convert files back into PDF Merge, split, and compress PDFs Use everything without signing up All files are processed temporarily and deleted automatically, so nothing is stored. How I built it I used Node.js for the backend and connected it with: Ghostscript for handling PDF operations like compression LibreOffice for document conversions The whole system is stateless (no database), which keeps it simple and fast. Why I built it this way I wanted to prove that you don’t always need paid APIs or heavy infrastructure to build something useful. With the right open-source tools, you can create a solid, production-ready app. What I learned Working with system-level tools like Ghostscript and LibreOffice Handling file uploads and processing efficiently in Node.js Building a clean workflow without relying on a database Thinking about performance and user privacy Final thoughts This project is a good example of how I approach building tools — keep it simple, make it useful, and avoid unnecessary complexity.

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Cover image for Clarity beats complexity.
I built this

Clarity beats complexity. I built this consequence map to cut through noise and see decisions for what they really are — trade-offs with outcomes. No guesswork, no overthinking. Just cause → effect, laid out clean. Good decisions aren’t luck. They’re mapped.

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Cover image for AI-Powered Document Summarizer & Chat System

AI-Powered Document Summarizer & Chat System

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Cover image for Event-Driven Serverless Pipeline for Unstructured Data on AWS

Event-Driven Serverless Pipeline for Unstructured Data on AWS

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Backend Engineer(1)