# Roman Lysogor > Software Engineer at WhatsApp Location: San Francisco Bay Area, United States Profile: https://flows.cv/romanlysogor Full stack software engineer with a big focus on web/mobile development for last 5+ years Currently building client side infra and voip in WhatsApp Web/Desktop. ## Work Experience ### Software Engineer @ Facebook Jan 2020 – Present | Menlo Park, California, United States Building future with WhatsApp Web and Desktop calling (VOIP). ### Software Engineer @ Uber Jan 2020 – Jan 2020 | San Francisco Bay Area ### Software Engineer @ Microsoft Jan 2017 – Jan 2020 | San Francisco Bay Area Developing universal Skype client for all platforms: Android, iOS, Desktop, Web. Using React Native, React, Typescript ### Software Engineer @ Microsoft Jan 2015 – Jan 2017 | Oslo Area, Norway Distributed systems, Scaling, High availability, Service management, C#, SQL, PowerShell Building platform/infrastructure layer to scale Sharepoint Online Search in huge Farms. Design and implement features for running Sharepoint Search Components as a distributed system with a high level failure isolation and recovery actions. ### Software Engineer @ GlobalLogic Jan 2014 – Jan 2015 | Kiev The Product is a situation management software platform that enables situation planning, response and analysis for the security, safety and emergency markets. By integrating and correlating information from multiple and diverse systems across the organization and coordinating response actions, the Product ensures that everyone in the operational chain knows what is happening and what to do. The team designs, implements, and deploys gateways between the Product and 3rd party systems like: access control, fire security, video surveillance. The team is responsible for full life cycle of gateways: requirements gathering, communication with customers and suppliers, design, implementation, testing and deployment. Role: .NET Developer, auto tester Responsibilities and Key Accomplishments: • Investigating of 3rd party systems. • Designing and implementing gateways architecture. • Improvement of developing, testing and deploying processes. • Deploy gateways on customer site. • Maintaining documentation (English). • Collaboration with a 7-member software team. Technologies: C#, WCF, Web Services, XML, XSD, MS SQL Server, Multithreading ### Software Developer (C#/SQL Developer) @ First Ukrainian International Bank Jan 2012 – Jan 2013 | Kiev Designed and implemented a decision making system for predicting customer credibility. ### Intern @ Ernst & Young Jan 2012 – Jan 2012 Automating reporting systems in Excel Visual Basic ## Education ### Master of Computer Science in Computer Systems Analysis/Analyst National Technical University of Ukraine 'Kyiv Polytechnic Institute'​ Jan 2012 – Jan 2014 ### Bachelor of Computer Science in Computer Systems Analysis/Analyst National Technical University of Ukraine 'Kyiv Polytechnic Institute'​ Jan 2008 – Jan 2012 ### Serhii Mohylnyi КПНЛ №145 Jan 2004 – Jan 2008 ## Contact & Social - LinkedIn: https://linkedin.com/in/roman-lysogor --- Source: https://flows.cv/romanlysogor JSON Resume: https://flows.cv/romanlysogor/resume.json Last updated: 2026-03-22