Freelance Backend Engineers in Pune

Freelance Backend Engineers in PuneFreelance Backend Engineers in Pune

Projects People

Rohan Vishwakarma

Full-Stack Web & SaaS Developer | React, Node.js, MySQL

New to Contra

Full-Stack Web & SaaS Developer | React, Node.js, MySQL

Cover image for Developed an automated reminder management

Developed an automated reminder management SaaS platform for scheduling, tracking, and managing time-sensitive notifications. Aureminder is designed to help businesses automate recurring reminders and keep recipients informed through multiple notification channels. The platform includes: Automated reminder creation and scheduling Email and Android notifications Recipient and group management Flexible recurring reminder schedules Real-time reminder delivery and status tracking Dashboard analytics and reporting Secure, role-based access Cloud-based access for managing reminders from anywhere The solution can be customized for business workflows such as payment reminders, compliance deadlines, follow-ups, scheduled tasks, and other recurring notifications. I can build a new reminder management SaaS product, extend an existing system, or integrate automated notification workflows into an existing business application.

0

67

Cover image for Qualitraceman is a manufacturing traceability

Qualitraceman is a manufacturing traceability SaaS designed to help businesses track materials, components, assemblies, and finished goods throughout the production process. The platform brings manufacturing traceability, manufacturing structure management, production management, centralized data and reporting, and role-based access into a single web-based system. Key capabilities include: Material, component, sub-assembly and finished-goods traceability Manufacturing structure management for products and assemblies Production planning, execution and monitoring Centralized production data and reporting Real-time visibility across production activities Role-based access and secure cloud-based architecture Integrated workflows for tracking production from raw material through finished goods I developed the SaaS as a business-focused manufacturing management solution with web and mobile interfaces designed to provide better production visibility and traceability.

0

61

Cover image for Built Autoditor, an Audit Management

Built Autoditor, an Audit Management SaaS platform designed to digitize and streamline audit workflows. The platform brings audit planning, workflow management, field audits and inspections, checklists, document and evidence management, corrective actions, reporting, and role-based access into a single web application. It includes web and mobile application capabilities, real-time audit insights, location-based field activities, and centralized management of audit data and evidence. The goal was to replace fragmented, manual audit processes with a structured digital workflow that makes audits easier to manage, track, and review.

0

59

Cover image for Website Catalog — 75+ Responsive

Website Catalog — 75+ Responsive Website Designs & Interfaces I developed a catalog of 75+ modern website designs and interfaces covering a wide range of real-world business requirements, including business websites, corporate websites, landing pages, service websites, portfolio websites, and informational websites. The catalog demonstrates my approach to building websites that combine modern visual design, responsive layouts, usability, clean implementation, and performance-conscious development. Key capabilities demonstrated include: Responsive layouts for desktop, tablet and mobile Modern and professional UI design Business and corporate website development Landing page development Service and portfolio websites Intuitive user experiences and navigation Clean and maintainable code Fast-loading, performance-focused implementation Cross-browser compatibility Reusable design and development patterns The objective of this work is to demonstrate my ability to transform different business requirements into professional, responsive and production-oriented web experiences. Focus: Responsive Web Design • Business Websites • Corporate Websites • Landing Pages • UI/UX • Frontend Development • Performance

0

30

Backend Engineer(3)

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

0

31

Cover image for DocPro WebApp with FastAPI and Microservices

DocPro WebApp with FastAPI and Microservices

0

18

Cover image for iPurvey WhatsApp Chatbot

iPurvey WhatsApp Chatbot

0

36

Cover image for Saaga Green Farms API

Saaga Green Farms API

0

34

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. 💡

33

358

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.

0

62

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.

0

74

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

36

357

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

0

35

Cover image for ChatGPT Prompt Engineer

ChatGPT Prompt Engineer

0

51

Cover image for Professional Technical Solution Consultant

Professional Technical Solution Consultant

0

17

Placeholder project card media

View more →

Backend Engineer(1)

Full-Stack Engineer | React, Spring Boot, AWS, AI/LLM

New to Contra

Full-Stack Engineer | React, Spring Boot, AWS, AI/LLM

Cover image for gig: a marketplace for side-gig

gig: a marketplace for side-gig talent gig is a web platform that connects everyday people who have a talent with people looking to book one. Musicians, sketch artists, comedians and other hobbyists can turn a passion into paid side gigs outside their day jobs. I designed and built the front end, including: A landing page with a bold, minimal black-and-white look, a "have a talent?" hero and clear navigation to the artist listings. A split-screen sign-up and sign-in modal with a Talent Seeker / Talent Artist toggle, so each user type gets its own onboarding path. A responsive, accessible form with a password visibility toggle and a clear primary call to action.

0

9

Cover image for End to End Full Stack Web Application Build on React, Spring...

End to End Full Stack Web Application Build on React, SpringBoot, Posgre SQL, Node and Hosted on Vercel ( coz it's free of course !!)

0

25

Cover image for A fast, responsive portfolio website

A fast, responsive portfolio website that showcases my web development work in one place. It's built with React and Next.js and has a clean, modern interface with animated side navigation, a interactive hero section, and dedicated sections for my work, services, and contact details. The site is designed to give visitors a quick view of who I am, what I build, and how to work with me, on any device. What's included Home: a clear introduction and quick links to my background and socials Works: a showcase of my web development projects Services: the kinds of web work I take on Contact: an easy way to reach me for new projects

0

14

Cover image for I'm a Senior Software Engineer

I'm a Senior Software Engineer at a global enterprise, building AI-powered tools that automate and improve how modern software gets built and run. My work covers three areas: Web development: embedding LLMs and intelligent automation into production web applications Databases: using AI for smarter data management, query performance, and insights Infrastructure: automating monitoring and operations with AI-driven tooling The result is less manual work, faster delivery, and more reliable systems.

0

21

Backend Engineer(2)

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.

0

166

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.

2

200

Cover image for AI-Powered Document Summarizer & Chat System

AI-Powered Document Summarizer & Chat System

0

6

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

Event-Driven Serverless Pipeline for Unstructured Data on AWS

0

5

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

0

54

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

1

49

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

0

42

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

0

55

Backend Engineer(1)

Abhishek Mishra

AI Full-Stack Developer

AI Full-Stack Developer

Cover image for MIRRA is a full-stack, AI-powered

MIRRA is a full-stack, AI-powered virtual try-on platform designed to reduce e-commerce return rates by allowing users to visualize clothing and accessories before purchasing. The application features a real-time AR webcam mirror using MediaPipe Face Mesh and a photorealistic AI garment try-on powered engine. The frontend is built with Next.js, React, and Tailwind CSS on Vercel, while the backend utilizes a highly scalable, serverless architecture with Python FastAPI, AWS Lambda, and API Gateway.

0

81

Cover image for BlushBloom is a modern, luxury

BlushBloom is a modern, luxury beauty and makeup eCommerce landing page designed to showcase premium skincare, cosmetics, and self-care products. Featuring elegant product displays, bestselling collections, beauty bundles, customer reviews, exclusive offers, and a seamless shopping experience, the website is crafted to help beauty brands increase conversions and build customer trust. From vegan makeup and cruelty-free cosmetics to skincare essentials, lip collections, foundations, and beauty accessories, every section is strategically designed to highlight products and drive sales. The landing page includes high-converting elements such as featured products, new arrivals, beauty quizzes, promotional banners, social proof, newsletter subscriptions, FAQs, and mobile-optimized shopping experiences. With a sophisticated design, fast performance, SEO-friendly structure, and conversion-focused user interface, BlushBloom helps beauty businesses attract more customers, improve engagement, and create a memorable online shopping experience for modern beauty enthusiasts.

0

26

Cover image for VaultPay Mobile App landing page

VaultPay Mobile App landing page that perfectly balances cutting-edge financial innovation with absolute security and trust. Their goal was to stand out from both sterile traditional banks and flashy, untrustworthy crypto startups. The main challenge was implementing a trendy, glassmorphic UI that feels premium and modern, without sacrificing the serious, secure tone required for a financial product. Users need to feel their money is safe, which often clashes with overly decorative web design. I solved this by building a crisp, architectural design system using a clean light-mode canvas anchored by dramatic dark sections to convey impenetrable security. The centerpiece is a custom 3D liquid-glass orb that morphs into a solid geometric vault as the user scrolls, visually reinforcing safety. I paired bold geometric sans-serif headlines with monospaced fonts for all financial data to instantly signal precision. Combined with subtle micro-interactions like a scroll-triggered lock animation and rolling payment calculators the design delivers a premium, high-tech experience while keeping trust and clarity at the forefront.

0

77

Cover image for FlowMind AI needed a premium

FlowMind AI needed a premium landing page Their goal was to position their workflow automation platform as a sophisticated, enterprise-ready solution akin to Linear or Vercel, requiring a design that balanced technical credibility with approachable elegance. The primary challenge was simplifying complex AI capabilities without diluting their depth, ensuring the page felt intelligent rather than intimidating while standing out visually from generic competitors.

0

82

Backend Engineer(1)