On-site Senior Backend Developer at Wizzer AdvisorTech

Optimised end-of-day order processing by removing an N+1 query pattern in the square-off pipeline and replacing it with batched reads and bulk writes, reducing runtime from ~10 minutes to under 1 minute. Re-architected position costing from FIFO to WAP by migrating position computation from trade-level matching to order-level weighted average price, shrinking the working set and simplifying reconciliation logic. Shipped AI-assisted trade analysis by building a data-processing/feature layer over the platform’s existing LLM service to evaluate journalled trades against a user’s strategy, returning structured performance and execution-drift insights.

On-site Software Developer (Founding Team) at Payomatix Technologies

Built a payment platform from scratch to production, owning schema, APIs, queues, and UI using Node.js, PostgreSQL, Prisma ORM, Redis, BullMQ, and a Next.js/React frontend with SSR/CSR. Engineered multi-step KYC onboarding supporting multi-entity merchants (multiple directors, bank accounts, and per-merchant documents) with per-step validation, resumable drafts, document upload, and conditional branching. Integrated 15+ payment gateways by normalizing divergent REST contracts, webhook formats, and error codes behind a single internal adapter interface for card hosted/server-to-server and multiple crypto providers. Implemented per-transaction gateway routing with automatic failover to fallback providers on decline/timeout. Built authentication and RBAC using NextAuth with multi-level role-based access at both API routes and UI, scoped to merchant/sub-merchant and down to individual actions/fields. Offloaded reconciliation and notifications to BullMQ and cached role/permission lookups in

Software Developer at Payomatix Technologies

Engineered two robust and scalable payment platforms using Next.js, React, Node.js, PostgreSQL, Prisma ORM, Redis, and BullMQ, leveraging SSR and CSR for high performance, SEO optimization, and seamless UX. Integrated secure authentication with NextAuth and developed a robust role-based access control system securing front-end and back-end workflows. Leveraged Redis caching and BullMQ for background processing, reducing response times from 400 to 50 ms. Built smart payment routing with fallback mechanisms, reducing failure rates by 40%. Developed customizable payment link generation and multistep KYC flow to enhance user engagement and onboarding. Contributed consistently to feature developments, bug fixes, UI/UX improvements, optimizing API queries and front-end rendering.

On-site Full Stack Developer at DigitalTech Pvt. Ltd.

Delivered client-requested features to written specifications across React and Node.js projects at a consulting firm, working with REST APIs and MongoDB.