May 2021 – Aug 2022 · 1 yr 3 mos

Mar 2021 – May 2021 · 2 mos

May 2018 – Mar 2021 · 2 yrs 10 mos

• Designed and developed – lead developer on a team of 5 engineers – an asynchronous payment processing service for multi-region cloud deployment on AWS. This service is extremely critical to Expedia and processes about 98% of all the consumer payments for all the brands owned by Expedia Group worldwide (Expedia, Orbitz, Trivago, Travelocity, Wotif, etc) – annual processing of about USD 100 billion dollars. Java, Spring, Docker, AWS (Fargate, S3, Aurora MySQL, ASM, KMS, ECS, IAM), CloudFormation
• Designed and developed modules in Payment Authentication Service (PAS) to implement Payments Service Directive 2 (PSD2) for strong customer authentication (SCA) across Expedia stack. Java, Springboot, AWS
• Lead developer on a team of 4 engineers that designed and developed token-refresh for PAS. Java, Springboot, AWS
• Designed and developed modules in TaskExec2, to make it client agnostic facilitating seamless onboarding of new clients, to schedule and run tasks at a later point in time. Java, Springboot, AWS, re-entrant tasks, asynchronous task scheduling
• Implemented asynchronous backfill from Payment Executor (PX) to finance systems for credit card and PayPal transactions which improved booking success rate and latency for customers – took fragile processes out of the booking path flow and made them retryable and fault tolerant. Java, Spring
• Developed modules to onboard Korea Cyber Payment (KCP) to Expedia’s payment ecosystem. Java, Spring
• Nominated for EGP quarterly award (Q3, 2019)

Dec 2016 – May 2018 · 1 yr 5 mos · Bloomington, Indiana, United States

• Designed and developed microservices for authentication, authorization, transactions, API, logging, billing, bulk allocation for guest cards, print functions, CS Gold API and monitoring, to serve over 1,30,000 clients, 10,000 workstations and 200 servers daily. ASP.NET Core 1.1, C#, Microservices, Message Queues, REST, Central Authentication Service, LDAP
• Services aimed to allow organizations, institutes and researchers affiliated with Indiana University to develop, run, manage and extend services to end users without the complexity of building and maintaining core common functionality elements
• Positions held: Developer, part-time (Dec 2016 - May 2017 and Sep 2017 - May 2018), Software Engineer Intern (Jun 2017 - Aug 2017)

May 2015 – Jun 2016 · 1 yr 1 mo · Bengaluru, Karnataka, India

• Developed and pitched the idea of extending the Unisys Multi-Device Application Build Service to a web based interface to bring in more revenue from small to mid-size business to the CTO, engineering VP and engineering directors
• Submitted a patent document to the law department of the organization on ‘Hybrid Application Build Service’ (invention disclosure status: reviewed and accepted to be filed as a patent)
• Wrote hooks to gradle (build tool) which led to improved efficiency of building mobile applications in the cloud by bringing the build time to less than one minute (20% improvement). Node.js, Gradle, Apache Cordova, Android SDK
• Felicitated quarterly innovation award (2015)

Jul 2013 – Apr 2015 · 1 yr 9 mos · Bengaluru, Karnataka, India

• Created a build service (RESTful web service) to create cross platform mobile application packages. C#, Visual Studio Extensibility, JavaScript, REST, WebAPI2
• Redesigned algorithms in the web service which led to 80% improvement in performance (reduced build time of apps)
• Designed and developed a browser-based simulator to run hybrid apps before deploying to mobile devices, which formed the key feature of ‘ClearPath Forward ePortal 6.1’ release. Node.js, JavaScript, HTML5, CSS, Bootstrap
• Felicitated spot award (2014) and monthly award (2014)

Jan 2013 – May 2013 · 4 mos · Bengaluru, Karnataka, India

• ■ Developed a client for the EcoStruXure Web Service of the ‘Power Monitoring Expert’ (a Schneider Electric product), which reduced the efforts of the testing team by 80%. C#, Windows Communication Foundation (WCF)