Dec 2024 – Present · 1 yr 6 mos · Tiruchirappalli, Tamil Nadu, India · On-site

• As a Backend Developer, I contributed to building and optimizing scalable services and infrastructure with a focus on performance, security, and reliability. My responsibilities included:
• File handling setup – implemented initial configuration and secure file management.
• Rate limiting middleware – designed and integrated Redis-based rate limiting, including OTP rate limiting, to ensure API stability and prevent abuse.
• Authentication & verification – implemented OTP sending to mobile phones (Msg91) and emails (Nodemailer), along with email verification flows to strengthen account security.
• Subscription module – developed subscription logic to manage customer plans and renewals.
• Validation layer – implemented robust schema validation using Zod to enforce data integrity.
• API migrations – migrated legacy PHP and Python APIs into Node.js, modernizing the stack and unifying services.
• Testing setup – wrote Jest integration test cases and contributed to automated testing pipelines to improve code quality.
• Database work – worked with MongoDB transactions and replica sets, ensuring data consistency, high availability, and resilience.
• Performance & reliability – optimized queries and infrastructure for scalable production workloads

Apr 2024 – Jul 2024 · 3 mos · Chennai, Tamil Nadu, India · On-site

Oct 2023 – Dec 2023 · 2 mos · Chennai, Tamil Nadu, India · On-site

Dec 2022 – Jul 2023 · 7 mos · Remote