Sep 2021 – Present · 4 yrs 6 mos · London Area, United Kingdom

• 2025-current
• Money Movement
• 2023-2024
• Identity and Verifications
• 2021-2022
• Worked as Engineer in Global Authentication Platform and APAC Payment Methods team, responsible for card authentication (3DS1/3DS2) infrastructure and regional payment methods
• TH Card Authentication - Tech Lead for design, development and launch of Thailand Debit Card 3DS2 support via Cybersource which optimised the authentication rates by ~40% and has potential impact of ~$40M in annual payment volume .
• UPI & Netbanking Payment Method - Led the development of Indian payment methods (UPI & Netbank-
• ing). Involved in design and implementation of Payment/Refund APIs , merchant onboarding flow , settle-
• ment/recon pipelines and cross collaboration with external/internal teams

Sep 2019 – Aug 2021 · 1 yr 11 mos · Bengaluru Area, India

• Everything Tech, Product, and UX @MyKaam.
• Scaled it to 1M+ users within 1.5 years
• Funded by VCat and Titan Capital
• Audio/Video Transcoding Service
• Candidate Search/Ranking System
• ATS
• Ranked Professional Feed
• Managed Revenue/Sales Team of 10+
• Login Funnel Optimisation by optimizing on SMS delivery, integration with Truecaller
• Payment integration with Cashfree
• DevOps - Setting up the whole infrastructure, reducing overall cost thereby increasing the runway.
• Feed Personalisation - Setting up data pipeline to rank feed, jobs based on multiple factors such as number of applies, likes, shares, user preference, user location, etc.
• UX/User research
• Android App
• Candidate sourcing partnerships with multiple clients like Zomato, Dunzo, NoBroker, Gigforce
• Cloud Functions | Firestore | Java | NodeJS | Redis | Elasticsearch | Cloud Pubsub | Video Transcoding

Apr 2019 – Sep 2019 · 5 mos · Bengaluru, Karnataka, India

• Worked on the initial design and development of Cart as a platform, to be used by multiple teams across multiple product lines.
• Abstracted out Billing service from the monolithic codebase as a microservice.

Apr 2018 – Mar 2019 · 11 mos

• Worked as part of the core Messaging Infrastructure Team.
• Message persistence to cloud - Involved in design and development of migrating the whole messaging stack to Hike cloud. I was leading the development for web console, authentication, authorization, and ensuring ordered delivery of messages.
• Timeline Feed - Developed timeline and stories feed infrastructure which allowed creating posts with hashtags, fetch chronological feed, like/comment on posts. Java|Python|Thrift|Cassandra|Hbase|Redis|Kafka|MySQL|Redis
• File Transfer - Worked on scaling file transfer within chats by optimizing chunk upload and improving de-duplication among files. Python|MongoDB|S3|Redis
• Backup and Restore infra - It allowed users to backup chats and media on the cloud and restore it across devices. Python|MongoDB|S3|Redis

Jun 2015 – Apr 2018 · 2 yrs 10 mos

• Worked as part of Hike Platform & Content Team.
• Media Storage System - Implemented a central service for storing assets inside Hike thereby removing code duplication across teams. It considers optimal transcoding and compression to serve assets based on network type, device resolution. (Java | Spring | MongoDB | Cloudinary | Cloud Storage)
• Content Platform: Built scalable infrastructure around content discovery, content curation, content delivery. Led the development of the content platform at Hike, building systems for multiple content apps i.e., News, Sports, JFL, Hike Quotes/Facts. Java|PostgreSQL|ApacheKafka|Redis|NodeJS|AngularJs|Python|Nginx
• Segment-Based User Targeting System: Developed a highly optimized solution for real-time rule-based user targeting bringing down the memory and computation time taken for fetching user set for campaigns by 50 percent. (https://medium.com/@umangjalan/segment-based-notification-targeting-for-millions-of-users-555cecc00296)
• Java|Redis|Kafka|MySQL

Jan 2015 – Jun 2015 · 5 mos

• Part of Platform Backend team .
• Involved in various projects based on NodeJS , ExpressJS , MongoDB , Redis , JAVA.