Posted:3 days ago|
Platform:
On-site
Full Time
About ProGain
ProGain is an e-commerce rental platform with a built-in MLM referral system and fintech integrations. We’re launching an MVP targeting 2,000 agents who will buy, rent, and earn referral incentives.
Role Overview:
You will own the full-stack build of our MVP: designing database schemas, referral logic, payment flows, and agent dashboards. You’ll collaborate with another MERN developer, a UI/UX designer, a QA engineer, and a PM to deliver and maintain a production-ready system.
Key Responsibilities:
Backend (Node.js/Express/MongoDB):
* Model Agents, Transactions, Config, and Contracts
* Build referral-tree logic (Levels 1–3) using materialized-path or DFS
* Integrate Razorpay (primary) and Stripe (fallback) with idempotency
* Schedule quarterly interest payouts and top-up reminders
* Send WhatsApp (Twilio/Meta) and email (SendGrid/SES) notifications
Frontend (React.js):
* Build Agent dashboard: referral tree, passbook (CSV), earnings calculator, KYC upload
* Create Admin/Super-Admin panels: agent CRUD, bulk migration (CSV), contract templates, WhatsApp broadcasts
* Implement auth flows (signup, login, OTP) and global state management (Context or Redux)
DevOps & CI/CD:
* Dockerize backend; set up GitHub Actions for automated linting, testing, building, and deployment
* Monitor health checks; maintain MongoDB replica set with daily backups
Testing & Quality:
* Write unit tests (Jest/Mocha), API tests (Postman/Newman), and end-to-end tests (Cypress)
* Run load tests (k6/Artillery) for 2,000 concurrent users
Security:
* Implement OWASP best practices (helmet, input validation, HTTPS)
* Securely store KYC documents (S3 or equivalent) with proper access controls
Requirements:
* 5+ years building MERN-stack applications
* Expertise in Node.js, Express, and MongoDB (replica sets, aggregation, transactions)
* Proven Razorpay and Stripe integration experience with idempotency
* Strong React.js skills (Hooks, Context/Redux, React Router)
* Experience with MLM/referral systems or hierarchical data models
* Familiarity with WhatsApp Business API (Twilio or Meta), SendGrid, and AWS SES
* Docker and GitHub Actions (or similar CI/CD) experience
* Experience scheduling background tasks (cron, AWS EventBridge, or Kubernetes CronJobs)
* Excellent problem-solving, communication, and documentation skills
Apply ASAP—roles will fill quickly.
KSIT SOLUTIONS LIMITED
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