Jul 2024 – Apr 2025 · 9 mos · Singapore

• Backend Engineering & Payments Infrastructure Focused on the intersection of high-scale fintech and distributed systems within TikTok Live Wallet.
• System Architecture: Designed and integrated global transaction aggregation systems, achieving sub-millisecond latency and high data fidelity by minimizing cross-region replication delays.
• Feature Engineering: Optimized the backend of TikTok Live Wallet, enhancing product stability and user experience.
• Risk Leadership: Led the Payments Risk team, implementing safeguards that protected revenue streams while enabling scalable growth for the broader TikTok ecosystem.

Jan 2023 – Jul 2024 · 1 yr 6 mos

• Working in Supply Side Platform (SSP) having charter with complete ownership of abstractions including Digital Wallet, Inventory Management, Web Crawler (for apps verification), Notification service, Configuration Platform for ads and Analytical Query Api's for periodic reports to empower publishers globally to derive Ad strategies based upon their user behavior and Ad's performing on their platform and also have highly configurable Ads for different strategies in different Ad formats which can be switched in real time with ease. Moreover, the charter also supports Global Ads Exchange so that it can deliver high performant ads abiding by compliance and regulations across geographical locations with minute precision. Working as a contributor in Ads exchange delivering features end to end.
• Responsible for design and development of large scale distributed systems in Supply Side Platform (SSP).
• Lead team of engineers (direct reportees) and work across teams to drive the product/features to completion starting from design and development to release across regions.
• Build fault tolerant systems backed by Azure Cloud computing infrastructure to accurately process and serve optimal ad response to global requests of 2.5 million average QPS with peak latency of 300ms.
• Buid RESTful services and reactive JAVA based microservices using springboot, Guice, Hibernate, and JOOQ and Netflix ZUUL.
• Create, deploy and run applications in different environments using containers Docker and Kubernetes.
• Performance metrics monitoring using Grafana and logs monitoring using Kibana (ELK).
• Cloud Infrastructure in ELB, Envoy, Virtual Machines, Kafka, PostgreSQL, Redis, Databricks, Airflow and Aerospike.
• Mentor team members in career growth.

Aug 2021 – Dec 2022 · 1 yr 4 mos

• Part of the Demand Side Platform (DSP) team, responsible for design and development of various abstractions and micro services with end to end ownership of Ad tech in InMobi's Affiliate marketing contributing to 35 - 40% of InMobi's revenue, processing feeds in real time, maintaining Offers and Ads lifecycle, tracking frauds and aggregating clicks which also serves as a refined input data funnel for analytics and ML platforms.
• Responsible for design and development of Demand Side Platform (DSP) as distributed systems.
• Lead team of engineers to drive the projects/features to completion starting from design and development to smooth release.
• Build fault tolerant services backed by Azure cloud computing Infrastructure to accurately process ad clicks at scale, processing over 3.5 Billion ad clicks per day in multiple countries across diverse advertising platforms.
• Build highly available, large-scale distributed systems that are e-commerce and financial industry compliant.
• Build RestFul services and reactive JAVA based micro services using SpringBoot, Guice, GraphQL, etc.
• Create, deploy and run applications in different environments using containers Docker and Kubernetes.
• Performance metrics monitoring using Grafana and logs monitoring using Kibana (ELK).
• Cloud Infrastructure in Kafka, PostgreSQL, Redis and Azure Virtual Machines.
• Mentor team members in career growth.

Mar 2021 – Aug 2021 · 5 mos

• Part of Platform team, responsible for design and development of Loyalty platform for all the Line of Businesses (LOB's) w.r.t different Point of Sales (POS's), maintaining complete lifecycle of members, tier management, points management, rules and offer management system and maintaining sub-programs w.r.t partners.
• Built fault tolerant services backed by AWS cloud computing infrastructure to accurately process loyalty at scale, processing over $30 million loyalty transactions and peta bytes of loyalty data in 45+ currencies in over 155 countries every year across diverse brands.
• Cloud Infrastructure in kafka, Cassandra, GraphQL, AWS - EC2, ELB, Route53, DynamoDB, RDS, S3, Redshift, SQS, SNS, Kinesis, Lambda,SecretsManager, CloudFormation.

Dec 2019 – Mar 2021 · 1 yr 3 mos

• Part of Data Analytics Platforms and services team which ingests and process data and metadata of Expedia (including brands) booking, shopping, packages, clicks and post purchase events over a scalable big data technology stack which serves as a refined input data funnel for analytics, AI and ML platforms and products.
• Responsible for design and development of booking and shopping platforms and products with complete ownership in order to seamlessly roll out new transactions and click metrics, build services for the globally distributed booking and shopping systems.
• Built end-to-end streaming platform to calculate the clicks conversion ratio (CVR) of package bookings for the ads show on different platforms for Expedia, which is helpful for the bidding team in order to determine the accurate payouts for advertisers and optimize the packages togenerate more revenue
• Building large scale systems with data pipelines and processes data using spark, Hadoop and Hive solutions that powers the Machine Learning and AI based booking and shopping systems across diverse brands.

Sep 2018 – Nov 2019 · 1 yr 2 mos · Greater Hyderabad Area

• Worked on Full stack web technology stack in the core development team.
• Built services leveraging the design patterns based upon the Object-Oriented Analysis and Design using python (Flask), C and C++.
• Developed RESTFul interfaces using GraphQL, and establised socket based communication channels between micro services using GRPC.
• Worked on Front-end components design and development using reactJS and Redux as an architecture.
• Created WebRTC connection using twilio for video conferencing with end-to-end ownership.