Lakshay Singhal
Software Developer | backend developer | golang | java | distributed systems
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About
Backend-focused Software Engineer with experience building scalable Golang and Java microservices at Razorpay across high-traffic products like Magic Checkout and Turbo UPI. Proven expertise in building low-latency APIs, scalable microservices, and resilient data pipelines. Skilled in system design, database optimization, and performance engineering, with hands-on experience deploying cloud-native applications at scale.
Experience
Associate Engineer at Razorpay (2025-09 – Present)
- Built and optimized Golang microservices powering Magic Checkout's Cash-on-Delivery flow, improving API efficiency by 30%.
- Engineered a high-performance API integrations in Golang for enterprise merchants, orchestrating complex payment flows, webhook handling, and reconciliation logic — ensuring 2M+ daily transactions
- Worked on on-demand features directly for enterprise merchants along with rewiring the already made products Optimizer and Turbo UPI into cloud ready tools.
- Automated merchant configuration pipelines, reducing feature enablement time from 2 days → under 10 minutes and eliminating manual intervention.
Graduate Engineer Trainee at Motherson Technology Services Limited (2025-06 – 2025-09)
- Built scalable RESTful APIs using Golang in a microservices architecture, reducing average response time by 35%.
- Resolved critical production bugs leveraging Golang concurrency primitives, improving system stability and maintainability.
Education
Bachelor of Technology in Computer Science and Engineering – KIET Group of Institutions (2021-09 – 2025-05)
