Frontend Engineer

KRAFTON INDIA; Bengaluru; On-site; INR 1,500,000 - 2,800,000; Full time

Job summary

KRAFTON INDIA is seeking a Frontend Engineer with a fintech background to own the user-facing layer of our UPI payment experience. Build mobile-first interfaces for P2P, P2M, QR, and Autopay, and integrate with backend APIs.

Focus on performance, secure session handling, graceful failures, and real-time status updates; collaborate with backend, product, and design teams.

3–6+ years of frontend experience in high-scale consumer apps with a strong eye for UX and payment trust.

Qualifications

• 3–6+ years of frontend engineering experience, fintech/payment familiarity is required.
• Proven ability to build mobile-first interfaces with strong UX.
• Experience with real-time status updates and secure data handling.

Responsibilities

• Build seamless UPI payment experiences (P2P, P2M, QR, Autopay) with mobile-first UX.
• Integrate frontend with backend APIs for transactions, rewards, and wallet systems.
• Ensure secure frontend practices, session handling, and trustworthy UX.
• Optimize latency, rendering performance, and API interactions.
• Collaborate closely with backend, product, and design teams.

Skills

Fintech payments

Frontend engineering

UI/UX

Performance optimization

Security practices

Real-time updates

Collaboration

Ownership

Job description

[About the role]
We are looking for a Frontend Engineer with a strong fintech background to join our payments team and own the user-facing layer of our UPI payment experience. In this role, you will build seamless, mobile-first interfaces that handle the full spectrum of UPI flows P2P, P2M, QR, and Autopay while ensuring users feel confident and in control at every step of their payment journey. You will work with real-time payment states, design graceful failure and retry experiences, and integrate tightly with backend APIs across transactions, rewards, and wallet systems.

Key Responsibilities

• Build seamless UPI payment experiences (P2P, P2M, QR, Autopay flows)
• Develop high-performance, responsive mobile-first interfaces
• Integrate with backend APIs for transactions, rewards, and wallet systems
• Implement secure frontend practices (device binding flows, session handling)
• Optimize latency, rendering performance, and API interactions
• Ensure high reliability UX for critical payment journeys
• Collaborate closely with backend, product, and design teams

Required Experience

• 3–6+ years frontend engineering; experience building fintech/payment interfaces is mandatory
• Experience in high-scale consumer apps
• Engineers who understand user trust in payment experiences
• Strong ownership of performance, reliability, and UX quality
• Attention to detail in edge cases and failure scenarios
• Ability to work in a fast-moving, product-first environment
• Strong understanding of UPI user flows and payment UX patterns (intent flows, collect, QR, transaction state handling)
• Strong focus on performance optimization, edge case handling, and graceful error states
• Secure frontend practices (token storage, session management, auth flows, and sensitive data handling)
• Ability to build trust-first payment UX: clear transaction states, failure handling with retry, user-safe confirmations
• Experience with real-time systems (webhooks, polling, sockets for live status updates)
• Exposure to wallets, rewards, or transaction history systems in consumer-facing products
• Familiarity with design systems and component libraries (building or consuming)
• Exposure to CMS-driven storefronts and dynamic layout rendering