This role is for one of the Weekday's clients
Salary range: Rs ******* - Rs ******* (ie INR ***** LPA)
Min Experience: 4 years
Location: Remote (India)
JobType: full time
We are seeking a Senior Payment Engineer to join our core engineering team. This is a hands-on role dedicated to building ultra-low-latency infrastructure for real-time settlements across both fiat and crypto payment rails. You'll work in a fast-paced, high-impact environment, tackling complex backend challenges at the intersection of finance and technology.
If you have experience developing high-speed financial systems, integrating payment gateways, or working with blockchain-based transactions, you'll thrive in this role.
What You'll Do
Design, build, and maintain real-time, event-driven payment systems using NestJS and NodeJS.
Integrate with both fiat payment systems (UPI, card networks) and crypto platforms (Ethereum, Polygon).
Architect for scalability, fault tolerance, and ultra-low latency using Kafka, Redis, and PostgreSQL.




Collaborate closely with product and infrastructure teams to deliver features from concept to production.
Participate in code reviews, architecture discussions, and team mentoring.
Continuously enhance performance, security, and reliability of backend services.
What We're Looking For
4–6 years of experience building production-grade backend systems.
Strong expertise in NodeJS/NestJS and asynchronous system design.
Proven background in payment systems, financial platforms, or crypto protocols.
Solid understanding of distributed architectures and data modeling.
Proficiency with PostgreSQL, Redis, Kafka, and AWS.
Strong focus on performance optimization and security best practices.
Nice to Have
Experience with smart contract development or Web3 technologies.
Previous work in fintech, payments, or crypto infrastructure.
Exposure to high-frequency trading systems or payment compliance frameworks.

📌 Sr. Payment Engineer (India)
🏢 Weekday AI
📍 India