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Urgent! Senior Full Stack Developer (Part Time) Job Opening In Jaipur – Now Hiring Confidential

Senior Full Stack Developer (Part Time)



Job description

Senior Full Stack Developer (MERN + Flutter/React Native)- Part Time


Please read the JD properly before applying!

P.S.: This role is not suitable for someone with less than 4 years of experience.


Engagement Details

  • Type: Part-Time / Freelance (Transition to Full-Time Core Team Role)
  • Phase 1: Milestone-based engagement
  • Phase 2: Full-time Core Team position with performance-based compensation and equity allocation
  • Work Mode (For Phase 1): Remote, flexible hours


We’re building something extraordinary — a next-generation digital commerce and rewards platform into a seamless experience.

If you’re an experienced builder who wants to own , not just code, and architect the vision — this is your moment to be part of the founding story.


Your Role

You’ll help build the backend architecture, frontend systems, mobile apps, and integrations — collaborating directly with the founder to bring this project from 0 → 1.


This is a Phase 1 milestone-based engagement that transitions into a full-time core founding role with equity for the right candidate.


Key Responsibilities


  • Architect, develop, test, and deploy a complete e-commerce + rewards ecosystem (Backend + Admin + App) using MERN Stack and Flutter / React Native
  • Develop Admin, Vendor, and User Panels with role-based access control
  • Manage API integrations (payments, wallets, affiliate SDKs, game APIs, etc.)
  • Own DevOps, CI/CD pipelines, and cloud infrastructure (AWS/GCP)
  • Ensure security, scalability, and modularity from Day 1
  • Collaborate with the founder on product architecture, sprints, and roadmap decisions

Build and integrate:

  • Wallets & redemption systems
  • Reward & affiliate engines (postback/S2S integrations with networks like CashKaro, GrabOn, etc.)
  • Ad & gaming modules (banner/video/survey APIs)
  • Notifications, analytics, and fraud detection layers


Required Skills & Experience

✅ MERN Stack Expertise – 5+ years of hands-on experience with MongoDB, Express, React, and Node.Js

✅ E-commerce / Marketplace Systems – Proven record in building end-to-end platforms

✅ Reward / Affiliate Systems – Deep understanding of postback, cashback, or gamification integrations

✅ Cloud & DevOps – AWS/GCP setup, CI/CD pipeline management, containerization (Docker/Kubernetes)

✅ Security & Data Handling – Role-based access, JWT, encryption, fraud detection

✅ Mobile-first Development – Experience integrating Flutter or React Native apps

✅ Ownership Mindset – Strategic thinker with the ability to build fast, adapt fast, and ship clean


Ideal Tech Stack

Frontend / Mobile

  • Flutter (preferred) or React Native – cross-platform app (Android + iOS)
  • Next.Js / React.Js – for Admin, Vendor, and Web Panels
  • Deep understanding of responsive UI, modular components, and API integration


Backend / APIs

  • Node.Js (Express / NestJS) or Django / FastAPI (Python)
  • RESTful & WebSocket APIs, with a strong understanding of microservices
  • Integration with 3rd-party APIs (Affiliate, Ad SDKs,


Required Skill Profession

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