Job Description

At

SP Transaction Hub

, we are on a mission to simplify and secure digital transactions for businesses and consumers alike.Join our growing team and be a part of building the next-generation

payment gateway API

that powers secure commerce at scale.

We are seeking a talented and experienced

Full Stack Developer

to lead the design, development, and deployment of our

payment gateway API infrastructure

. This role requires deep understanding of secure payment systems, RESTful API architecture, full stack web development, and integration with third-party financial services.

Key Responsibilities

Design, build, and maintain robust and secure

RESTful APIs

for payment processing. Develop frontend and backend components for payment dashboards, integrations, and admin tools. Work with

payment protocols

such as UPI, QR Code Payments, Card Payments (Visa/Mastercard/Rupay), and Wallets. Ensure PCI-DSS compliance, data encryption, and secure storage of payment data. Integrate with third-party payment processors, banks, and financial institutions.

Required Skills & Qualifications

Proven experience in

JavaScript/TypeScript

(Node.js or Express.js) and

React.js

or similar frontend frameworks. Proficiency in

backend development

with technologies like

Node.js, Python, or Java

. Experience with

SQL and NoSQL databases

(e.g., PostgreSQL, MySQL, MongoDB). Deep understanding of

REST API architecture

, OAuth 2.0, JWT, and webhooks. Familiarity with

payment gateways

,

banking APIs

, or

financial protocols

(e.g., ISO 8583, UPI, NEFT).

Preferred Qualifications

Experience in

FinTech

, banking, or digital wallet environments. Contributions to open-source or prior experience building scalable APIs. Familiarity with

blockchain-based payments

or

real-time settlement systems

.
Job Types: Full-time, Permanent

Pay: ₹20,000.00 - ₹40,000.00 per month

Benefits:

Cell phone reimbursement Flexible schedule Internet reimbursement
Experience:

Payment gateway API Integration: 1 year (Preferred)
Work Location: In person