# Raghu Ravi > Staff Engineer at Sift Location: San Francisco Bay Area, United States Profile: https://flows.cv/raghuravi Experienced Lead Software Engineer with a demonstrated history of working in the financial services industry. Skilled in Spring Boot, J2EE Web Services, Core Java and NoSQL (Couchbase). Strong engineering professional with a Bachelor of Engineering (B.E.) focused in Information Technology from Karunya University. ## Work Experience ### Staff Engineer @ Sift Jan 2021 – Present | San Francisco Bay Area ### Senior Software Engineer @ Sift Jan 2020 – Jan 2021 | San Francisco Bay Area ### Lead Software Engineer @ Yapstone Jan 2018 – Jan 2020 | San Francisco Bay Area - Co-designer and implementer of chargeback/dispute management Dockerized microservices at Yapstone using Java, Spring Boot and deployed it In AWS platform - Developed a highly performant multi-threaded AWS batch job that can process millions of transactions using disruptor concurrency framework - Simplified the implementation of complex dispute workflow using embedded Camunda BPM and Decision Engine - Designed and developed REST API for external client interaction with chargeback microservices - Developed machine learning models in H2O.ai and worked on an automation framework to contest chargeback using the developed model - Co-implemented GraphQL API solution over Elasticsearch for efficiently accessing domain data in a web portal with minimal latency - Implemented Masterpass and Apple Pay integration in payment platform using REST API, J2EE, and JSP - Worked on settlement engine that integrated with FirstData, WorldPay, and Vantiv - Implemented a Jenkins pipeline that automatically deploys and tests new changes to non-prod platforms - Pioneered developer-driven API test automation using Karate - Implemented a POC using Ripple, Corda, and Hyperledger fabric to evaluate the feasibility of using blockchain in a cross border settlement - Co-implemented REST API for payment processing using Java ### Software Engineer @ Yapstone Jan 2017 – Jan 2018 | Walnut Creek, San Francisco - Implemented Masterpass and Apple Pay integration in payment platform using REST API, J2EE and JSP - Co-implemented REST API for payment processing using Java ### Senior Consultant @ Wipro Limited Jan 2010 – Jan 2016 | El Segundo, California - Worked on IBM Sterling CPQ tool to create offers and manage offer catalog for DIRECTV Ltd - Envisioned and created a web application using Ruby on Rails and MySQL which helped the business team of DIRECTV generate ad-hoc offer reports and thereby reducing their dependency on the development team - Developed a web application to log weekly timesheets of contractors using Spring MVC and MongoDB. Earlier, the timesheets were logged in excel and send across in an email - Created XML Stylesheets for rendering XML responses from IBM CPQ tool, which reduced the time required by the developer to debug and test - Refactored the java logic that evaluates the eligibility of offers in IBM CPQ and thereby improving performance by almost 10% ## Education ### Bachelor of Engineering (B.E.) in Information Technology Karunya University ### Morning Star Higher Secondary School ## Contact & Social - LinkedIn: https://linkedin.com/in/raghu-ravi --- Source: https://flows.cv/raghuravi JSON Resume: https://flows.cv/raghuravi/resume.json Last updated: 2026-04-12