Ujjwal J.

About Ujjwal J.

Software Enthusiast with hands-on experience in Telecom, eCommerce, banking and financial services.

Experience

1. Senior Software Development Engineer

   Amazon

   Oct 2024 — Present

   Key responsibilities: • Refining requirements with Product leaders and highlighting feature parity gaps, influencing service architecture in PE forums, proposing design tradeoffs, while also getting involved in feature development. Key involvement in code reviews and setting development practices for teams.• Applying Distributed systems principles : Flattening of service stack, building for availability fault tolerance and low latency.• IAAC : Automating service infrastructure, health monitoring and network connectivity using CDK V2.• Amazon Peak readiness : Automating Horizontal Scaling and Load management for tier1 and tier2 services. Setting Service resiliency benchmarks based on Availability, Latency (p90-p99), CPU utilisation, Heap usage before/after GC, waiting IO threads, etc. Owning services ranging from request TPS of 500 to Ensuring tier1 availability using mechanisms like circuit breakers, rate limiter, client based throttling, distributed caching, consistent hashing for load management, etc.PROJECTS: WW Prime Membership Acquisition and Fulfilment Platform:Building Simple Native Interfaces (SNIs) to facilitate Amazon Prime turbo Checkout, Prime Subscription lifecycle management and Refund management. Use cases include Prime self-purchase, Gift of Prime, Membership stacking, Prime Promo codes, Retail website Checkout plugins, Prime refunds and Prime TieringWW Prime Pricing Promotions :Building injectable widgets for Prime from Promotion landing page to checkout. This includes real-time customer verification via API integration with 3P providers, Promotion CX, error handling, fallback levers. One such campaign generated 500K Prime sign-ups in the US in a week.Prime Marketplace Expansion:Continuous acceleration initiatives that reimagine Prime marketplace expansion as a self-service tool for product managers. Built a framework on AWS step functions and added support for parallel subgraphs, idempotent and atomic updates.

Education

• Don Bosco School, Liluah

  High School - ICSE

  1995 — 2009

• National Institute of Technology Surat

  Bachelor of Technology (B.Tech.), Computer Science

  2009 — 2013

• Indian Institute of Technology Jodhpur

  Undergraduate Research Intern, Computer Vision

  2012 — 2012

• Indian Institute of Science (IISc)

  CSA Summer School Participant

  2012 — 2012