Fintech · Refunds
PayU Refund System
Refunds integrated across multiple payment gateways with overdraft calculation for accurate merchant settlement and smooth processing.
PHPScalaJava
payu.in →I’m a full stack developer who builds features end to end — from React interfaces down to the services and data that power them. Today I’m at PAR Technology, working on authentication and identity.
Two services on the guest platform — identity and profiles — across many businesses and their customers.
Owns how users sign in across many businesses — one identity layer serving every brand. From credential-based advanced and basic auth to federated social login, every entry point stays consistent and secure no matter how someone arrives.
Stores each user’s profile data for the platform — a Go service that consumes Kafka topics and persists profile-related events as they happen, keeping guest profiles current across the system.
I’m a full stack developer who ships end to end — the API and the interface, the database and the deploy. Most of my depth is in payments and authentication: refunds that settle, and logins that just work across many businesses.
Full stack, comfortable across the whole product surface — from data model to interface.
Features built end to end — REST APIs and data models on the back, React interfaces on the front, shipped clean and well-tested.
Money movement done right: multi-gateway refunds, split settlements, chargebacks, and overdraft-accurate merchant calculations.
The trust layer — advanced, basic and social authentication that signs users in across many businesses, plus guest identity and profile services.
Decoupled services that integrate cleanly — from Amazon SP-API and Zalando connectors to internal platform services on Kafka.
Full stack products across payments, real estate and health.
Refunds integrated across multiple payment gateways with overdraft calculation for accurate merchant settlement and smooth processing.
A Spring Boot web service for fast, accurate refunds and settlements on split transactions, integrating cleanly with surrounding payment services.
An automated portal for managing chargebacks across many merchants — customers raise disputes, merchants accept or reject. Built from scratch.
A live online board game with a host interface for many clients. Pusher-driven event triggers and state changes, streaming 10,000+ songs from Dropbox.
A real-estate equity-sharing marketplace connecting homeowners, buyers and investors for fractional ownership in US property — built end to end.
Sends text, voice and email to health agencies and clinics for appointment reminders and notifications, using Bandwidth and the Plivo API.
From Android intern to full stack engineer across fintech and platform teams.
Go and Ruby are home; comfortable everywhere on this list.
8+ years across the stack — experience, projects, skills and education in a single PDF. Open it in your browser or download a copy.
Open to full stack, platform and authentication work. The fastest way to reach me is email or a call.