Sr Backend Developer (Fintech / Payments) (Nuc Job/ 82)
Job Skills
Job Description
Position / Designation: Sr Backend Developer (Fintech / Payments)
Qualification: B.Tech / BE / MCA or equivalent practical experience
Years of Experience: 3-5 years (fintech/payment integration preferred)
Employment Type: Contract (3–6 months, extendable)
Work Mode: Remote (India) – Hybrid optional later
Number of Positions: 1–2
Company Location: India (Remote-first operations)
Industry Background: Fintech / Payment Gateway / Banking APIs / SaaS
Selection Process:
1. Profile screening (fintech relevance)
2. Technical discussion (payment systems & APIs)
3. Practical task (API/payment flow)
4. Final discussion
Job Role & Responsibilities:
* Backend architecture development for Payspin platform
* Integration of multiple payment gateways (Razorpay, Cashfree, etc.)
* Development of Pay-in, Payout, and PG Routing systems
* Implementation of OAuth-based integrations
* Scalable API design for transaction processing
* Ensuring system reliability, logging, and security
* Handling failure cases, retries, and reconciliation
* Working closely with product for execution
Skills Required:
Must-have:
* Strong backend (Node.js / Python / Java)
* Payment gateway integration experience
* REST APIs & microservices architecture
* Database: MySQL / PostgreSQL / MongoDB- Webhooks, callbacks, reconciliation handling
* Understanding of transaction lifecycle
Good to have:
* Experience with Razorpay / Cashfree / PayU
* OAuth implementation
* AWS / GCP deployment
* Fintech compliance basics (KYC, AML)
* Multi-PG routing experience
Joining: Immediate
