Backend Engineer at KRAFTON INDIA (Bengaluru, India)
KRAFTON INDIA· Bengaluru, India·
Job description
[About the role]
We are looking for a skilled Backend Engineer with deep fintech and payments expertise to join our core payments team. In this role, you will be at the heart of building and scaling our UPI payment infrastructure covering P2P, P2M, QR, and Autopay flows and ensuring it operates reliably at consumer scale. You will work directly with PSPs, banks, and the NPCI UPI stack, designing systems that are not just fast and fault-tolerant, but built to handle the nuances of real-world payment flows: idempotency, retries, reversals, and full transaction lifecycle management.
[Key Responsibilities]
- Build and scale UPI payment systems (P2P, P2M, QR, Autopay etc.)
- Integrate with PSP/banks and NPCI UPI stack
- Design reliable transaction systems (idempotency, retries, reversals)
- Develop low-latency, high-throughput microservices
- Implement secure payment flows (device binding, authentication, encryption)
- Ensure end-to-end transaction security and data protection
- Manage transaction lifecycle, logs, and reconciliation
- Collaborate on integrations with rewards, wallet, and checkout systems
[Required Experience]
- 3–8+ years of backend engineering experience
- Fintech/payments experience (mandatory)
- Experience in high-scale consumer apps
- Strong understanding of UPI architecture & flows
- Experience with bank/PSP integrations
- Solid understanding of security in fintech systems:
- Encryption (data in transit & at rest)
- Tokenization & secure key management
- Authentication & authorization (OAuth/JWT)
- Experience building scalable, fault-tolerant systems
- Experience with wallets, ledgers, or reconciliation systems
- Familiarity with NPCI certification processes and RBI PPI/wallet guidelines
Why work at KRAFTON INDIA
- Culture: Emphasizes “One Team. One Dream.”, innovation, bold decision-making, and ownership. “Work Hard, Play Hard” is a core motto krafton.in
- Environment: Green office with calming views; “Go Green” motto; fun initiatives like Play Day, Tambola, festive celebrations, and team outings.
- Learning & Growth: Provides a learning policy for professional development and upskilling; employees can select programs to enhance skills.
- Well-being: Focus on holistic well-being including physical, emotional, and financial support; counseling services available.
- Recognition: “Loyalty awards” for tenure; celebration of accomplishments.
- Work policy: Hybrid/in-office model (based on job listings indicating Bangalore location).
- Engineering culture: Roles open for Backend Engineer, Frontend Engineer, SW Architect, Infra Manager – indicating a robust tech stack and ownership of game infrastructure and platform greenhouse.io