09/27/2026 updated
100 % available
Frontend Developer | React Native & Next.js | Fintech & Web3
Mohali, India
Worldwide
Bachelor of Engineering in Electrical EngineeringReact.js
React Native & Next.js Development
Expertise in building cross-platform mobile and web applications using React Native and Next.js, including fintech and Web3 products with complex state management using Redux Saga and Redux Toolkit.
Backend Development with NestJS
Proficiency in building modular NestJS backend services from scratch, including authentication pipelines with JWT and bcrypt, TOTP-based MFA, payment integrations, and real-time notification systems.
Real-Time & Web3 Integration
Experience integrating real-time features via Socket.io and Web3 capabilities using Ethers.js, enabling live balance updates, on-chain asset management, and smart contract interactions.
TypeScript & JavaScript
Strong command of JavaScript and TypeScript as primary programming languages across frontend and backend projects.
Database & ORM
Working knowledge of PostgreSQL and TypeORM for relational data modeling and database management in backend services.
Message Queuing with RabbitMQ
Implementation of background job processing using RabbitMQ for handling bulk emails and asynchronous tasks without blocking the main application.
Payment & KYC Integration
Integration of Stripe and Cashfree for recurring billing and payment processing, as well as Sumsub KYC for onboarding verification workflows.
API Documentation & Testing
Documentation of REST APIs using Swagger and automation of Postman collection synchronization to keep frontend teams aligned with the latest contracts.
DevOps & Tools
Familiarity with Git, VS Code, Jupyter Notebook, Linux, and Docker for development and deployment workflows.
UI Libraries & Styling
Use of Tailwind CSS, Shadcn UI, Recharts, and TanStack Query to build responsive, data-rich user interfaces with efficient data fetching.
Expertise in building cross-platform mobile and web applications using React Native and Next.js, including fintech and Web3 products with complex state management using Redux Saga and Redux Toolkit.
Backend Development with NestJS
Proficiency in building modular NestJS backend services from scratch, including authentication pipelines with JWT and bcrypt, TOTP-based MFA, payment integrations, and real-time notification systems.
Real-Time & Web3 Integration
Experience integrating real-time features via Socket.io and Web3 capabilities using Ethers.js, enabling live balance updates, on-chain asset management, and smart contract interactions.
TypeScript & JavaScript
Strong command of JavaScript and TypeScript as primary programming languages across frontend and backend projects.
Database & ORM
Working knowledge of PostgreSQL and TypeORM for relational data modeling and database management in backend services.
Message Queuing with RabbitMQ
Implementation of background job processing using RabbitMQ for handling bulk emails and asynchronous tasks without blocking the main application.
Payment & KYC Integration
Integration of Stripe and Cashfree for recurring billing and payment processing, as well as Sumsub KYC for onboarding verification workflows.
API Documentation & Testing
Documentation of REST APIs using Swagger and automation of Postman collection synchronization to keep frontend teams aligned with the latest contracts.
DevOps & Tools
Familiarity with Git, VS Code, Jupyter Notebook, Linux, and Docker for development and deployment workflows.
UI Libraries & Styling
Use of Tailwind CSS, Shadcn UI, Recharts, and TanStack Query to build responsive, data-rich user interfaces with efficient data fetching.
Experience
Professional experience0 - 5 years
Freelancer since2026
Languages
EnglishGood
Project history
Working on cross-platform fintech and Web3 applications including Solos Digital Banker and NFT Marketplace. Responsibilities include managing async workflows with Redux-Saga, integrating Ethers.js for wallet and smart contract interactions, implementing real-time updates via Socket.io, replacing password login with Passkeys-based biometric auth, rebuilding analytics dashboards with Recharts, integrating Stripe and Sumsub KYC, and building an affiliate referral system with automated payouts.
Built a Google Docs-style collaborative editor with live cursors, comments, mentions, and rich text formatting using Next.js, TipTap, Convex, Liveblocks, Tailwind CSS, Shadcn UI, Clerk Auth, and Vercel. Set up multi-tenant workspaces with role-based access and reusable document templates.
Built a modular NestJS backend for user accounts, subscription billing, and real-time notifications using TypeScript, PostgreSQL, TypeORM, Redis, RabbitMQ, and Socket.io. Implemented JWT and bcrypt auth pipeline with TOTP-based MFA, integrated Cashfree for recurring billing, and documented the full API in Swagger with automated Postman collection sync.