Headline

Building High-Scale Payment Infrastructure at Razorpay | Distributed Systems | Card Payments | Tokenization | Java/Golang

About

Senior Software Engineer at Razorpay building high-scale payment infrastructure and secure card systems powering millions of transactions. Currently working across: * Card tokenization * One-click checkout * EMV 3DS flows * Gateway integrations * Distributed backend systems Experienced in designing resilient microservices using Java, Golang, Kubernetes, DynamoDB, Kafka, Redis, and AWS. Key areas of expertise: • Distributed Systems • Payments Infrastructure • High-Scale Backend Systems • PCI & Secure Payment Flows • Event-Driven Architecture • Reliability & Observability • Performance Optimization Recent impact: * Built tokenization systems for Apple Pay & CredPay * Reduced service latency by 94% (P99 63ms @ 3000 TPS) * Improved infrastructure costs by 80% * Designed systems handling 10M+ mappings/day Interested in backend infrastructure, scalable architecture, and fintech innovation.

Location

Bengaluru

AI stack

claude

codex

gemini

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claudecode

ChatGPT

Work experience

Senior Software Development Engineer at Razorpay, Apr 2024 - Present · 2 yrs 5 mos, Bengaluru, Leading backend development for secure card payment and tokenization infrastructure powering high-scale checkout experiences. • Led design and implementation of device tokenization systems for Apple Pay and CredPay • Built distributed ingestion pipelines processing 10M+ device-user mappings/day using Spring Batch + DynamoDB • Improved reliability and observability using Prometheus, Grafana, and StatusCake • Acted as on-call lead for critical payment card systems and production escalations • Mentored engineers and reviewed architecture/design proposals across teams Tech: Java, Golang, Spring Boot, DynamoDB, AWS, Kubernetes, Redis, Kafka

Software Development Engineer at Razorpay, Feb 2022 - Apr 2024 · 2 yrs 3 mos, Bengaluru, Worked on high-scale card payment systems including EMV 3DS 2.0, gateway integrations, and core payment infrastructure. • Built BIN service in Golang + gRPC achieving 94% latency reduction (P99: 63ms @ 3000 TPS) • Led 3DS2 integrations across Visa, Mastercard, Amex, and RuPay ecosystems • Supported large-scale payment traffic ramp-ups and critical production rollouts • Reduced infra costs by 80% through logging optimization initiatives

SDE-1 at OYO, Sep 2020 - Feb 2022 · 1 yr 6 mos, Gurugram, Haryana, India

Education

Bachelor of Technology, Computer Science, Indian Institute of Information Technology Kota