Feb 2022 – Oct 2025 · 3 yrs 8 mos · Remote

• Platform and Technologies: Kotlin, Postgres, Redis, Kafka, Akka, REST, gRPC, Datadog, Grafana, GCP, Microservices
• Led the design and development of Travel Rule implementation for Crypto Transactions at Blockchain in partnership with Notabene.
• Led the design and development of ACH implementation with Plaid as partner.
• Designed and developed the Payments' Fees implementation to ease up the user experience.
• Designed and developed the Payments' Disputes implementation to optimize on the Fin Ops effort required.

Feb 2022 – Feb 2023 · 1 yr · Remote

• Platform and Technologies: Kotlin, Postgres, Redis, Kafka, REST, gRPC, Microservices
• Designed and developed User Contact Service, responsible for managing user contact
• information and preferences, as part of Growth team.
• Contributed to Card Issuing and Processing service.
• Designed and developed error handling module for Kafka consumers. It utilized multiple retry
• topics and a dead letter queue.
• Designed and developed Enhanced Payment Metrics - model, pipeline, transformation, and
• analytics – to be primarily consumed by product and business as a pulse of our payments
• funnel.
• Primary owner of Open Banking payment rails as part of Payments team.

Jul 2020 – Sep 2021 · 1 yr 2 mos · Singapore · Hybrid

• Platform and Technologies: RHEL, Java, Oracle, Elasticsearch, Kafka, REST, Microservices, Jenkins.
• Working in SABRE (Standard–Chartered’s Analytics Booking and Risk Engine) – strategic
• risk and P&L platform for Financial Markets.
• Upgraded existing services from Java 7/8 to Java 11. Added SSL layer
• to all external service endpoints.
• Reduced execution time of critical jobs to 1/8th of before.

Jul 2019 – Jun 2020 · 11 mos · Singapore · On-site

• Platform and Technologies: Golang, Node.js, Express, MariaDB, MySQL, Galera, Couchbase, MongoDB, RabbitMQ, Kafka, gRPC, REST, Microservices.
• Led and worked on the re-write and optimisation of the Billing Middleware - sitting at the core of the company's telco customer flow.
• Scaled and optimized core billing and payment services. Reduced invoice generation to payment collection cycle from 10 days to 3 days.

Jan 2019 – Jul 2019 · 6 mos · On-site

• Platform and Technologies: Java, Node.js, Spring-boot, Express.js, MySQL, RabbitMQ, Kafka, Redis, Aerospike, Memcached, Elasticsearch, Nginx, Microservices, Jenkins, AWS.
• Led the team at Paytm Movies for Search and Supply services as well as Performance tuning of the whole stack.
• Designed the distributed job scheduler for Movies inventory polling.
• Implemented the Nginx cache purging by replacing the default file system caching by redis. Also implemented the stale content serving in redis by writing a custom function.
• Forked 'spring-data-aerospike' public repository and added save with TTL and multi-get features.

Dec 2017 – Dec 2018 · 1 yr · On-site

• Platform and Technologies: Java, Node.js, Spring-boot, Express.js, MySQL, RabbitMQ, Kafka, Redis, Aerospike, Memcached, Elasticsearch, Nginx, Microservices, Jenkins, AWS.
• Led the Inventory and Availability Management Service - both consumer and seller front.
• Successfully revamped the Inventory Service by migrating from Node.js to Java and bringing down latencies by 20 - 50%, while also bringing down the no. of servers by 20%.

Dec 2015 – Dec 2017 · 2 yrs · Gurugram, Haryana, India · On-site

• Platform and Technologies: AWS, Rails, Ruby, Redis, Sidekiq, Java, Spring-boot, Web Services, Kafka, Elasticsearch, PostgreSQL, MVC, Hexagonal Architecture, Jenkins, AWS.
• Worked in both - the Demand and Supply sides of the Platform team, being part of the Platform Supply, Platform Finance, and Micro Market (Offline Demand channel) teams.
• Owned and delivered Leads Management System, Owner Portal, Studio Stays, Meal Plans, OYO Total Holidays; and worked on Hotel Agreements, Reconciliations, Owner/Hotels Payments, Payment Gateways integration for consumer payments, CRS(Central Reservation System), Lifeline, integration of SAP with CRS.
• Successfully phased out the hotel on-boarding system built on Salesforce and replaced it with in-house app-based ecosystem, saving INR ~3,00,00,000 per year in licensing costs.
• Led the design, development and delivery of Contracts Management System and Deals Review Management System as microservices.

Dec 2011 – Sep 2013 · 1 yr 9 mos · Greater Chennai Area · On-site

• Platform and Technologies: RHEL, Java, Hibernate, Spring, Web Service, XML, XML Parsers (DOM and SAX), XPath, Solr, S3, Amazon SQS, AWS
• Worked in the Retail Systems, being part of the Selection Discovery team responsible for broadening the Selection Catalog of different Amazon marketplaces like .com, .uk etc.
• Owned and delivered Product Selection and Data Extraction for the launch of amazon.in
• catalog.

Jul 2010 – Sep 2011 · 1 yr 2 mos · Bengaluru, Karnataka, India · On-site

• Platforms and Technologies: NonStop OS, Perl, Shell Script, TACL, TAL, C, SQL, Disaster Recovery, Networking and Latency
• Developed ODBC Test Automation Framework using Perl, Shell Script and C.
• Worked for RDF (Remote Database Facility), a Disaster Recovery software, in the
• NonStop (previously Tandem Computers) server domain.
• Benchmarked RDF 1.10 for its performance.