# Chas Rickarby > Lead Software Engineer & TPO/Team Lead at Klaviyo Location: Portland, Maine, United States Profile: https://flows.cv/chas I am a graduate of the University of New Hampshire with a degree in Computer Engineering and am currently working as a Full Stack Engineer at Klaviyo in Boston, MA. I have a great interest in product development, and opportunities where I would be able to influence products and projects from concept to creation, to QA. I would like to put my knowledge and experience to use while also utilizing my creative side to create products that people wouldn't just want to use, but enjoy doing so. ## Work Experience ### Lead Software Engineer / Manager @ Klaviyo Jan 2024 – Present | Portland, Maine, United States ### Senior Software Engineer & TPO/Team Lead @ Klaviyo Jan 2022 – Present | Boston, Massachusetts, United States ### Senior Software Engineer @ Klaviyo Jan 2021 – Jan 2022 | Boston, Massachusetts, United States ### Software Engineer @ Yesware Jan 2019 – Jan 2021 | Greater Boston Area Worked across multiple engineering teams improving the reliability and usability of some of Yesware's core service offerings • Built a meeting scheduling tool that is used to book thousands of meetings a week. • Increased reliability of reporting data and worked on the team that rebuilt the reporting architecture leveraging Snowflake as a big data provider. • Built new report types for users to view their data in more detail. • Built two hackathon projects that were eventually adopted as production features. ### Full Stack Developer @ 3Play Media Jan 2018 – Jan 2019 | Boston, Massachusetts • Develop and improve features on the main Ruby on Rails application that is both internal operations facing as well as external client facing. • Add new and maintain features on editing applications written in Angular for both contract transcript editors as well as contract audio description editors. • Developed a new rough cut video editing tool in React, built off of a Rails back end, enabling the creation of new videos from combinations of exiting videos, based on sections of those video's transcripts. ### Associate Software Engineer @ PTC Jan 2017 – Jan 2018 | Portland, Maine Area • Part of an agile scrum development team as both an automated C# tester and a C++ developer. • Developed automated test infrastructure and test suites in C# for KEPServer EX to ThingWorx platform integration. • Developed a JavaScript interface for KEPServer EX custom drivers providing a framework for end users to connect KEPServerEX to custom devices not supported natively by KEPServer. • Worked on various Automation Triage efforts as well as security enhancements to the product. • Participated in various security enhancement projects to increase the integrity of the Kewpare product line ### Software Engineering Intern @ PTC Jan 2016 – Jan 2016 • Developed and tested a standalone C# application and API to support communication between a communication server platform and an updated SDK that was no longer supported by the platform. • Worked with a client in Poland while iteratively developing the utility to ensure that the final product would work as expected and was intuitive to use. ### Full Stack Development Intern @ TopScore, Inc. Jan 2016 – Jan 2016 • Wrote automated tests to evaluate the existing and future code base and functionality of the platform • Developed and tested new APIs for existing features and improving functionality and usability of the TopScore platform. ### Software Engineering Intern @ Kepware Technologies Jan 2015 – Jan 2015 | (PTC) • Served as the intern team’s scrum master as part of the agile development process • Built, QA tested, and automation tested a stand alone library, API and Windows application to open log files generated by Kepware’s flagship server solution, for use in troubleshooting. • Developed a C++/CLI interface between the C++ API and the C# automation testing framework. ### Fiber Channel Technician @ UNH InterOperability Lab Jan 2014 – Jan 2015 | Durham, New Hampshire • Tested Gigabit Ethernet and Fibre Channel products for conformance before they enter into production. • Generated reports for third party companies regarding their product’s conformance to IEEE standards. ### Java and Perl Development Intern @ L.L.Bean Jan 2014 – Jan 2014 | Freeport, Maine Most projects that I worked on I did so individually. I would have check-ins periodically with my manager to update him of my status and to get further specifications. At the end of each project I presented my work to the portion of my team, the information services marketing team, that would need to use the code or update it after my internship was over. I also used IBM ClearCase for source control on my projects as well as SmartBear Collaborator for code review purposes throughout the internship. • Enhanced security on inter-office database queries • Researched and compiled information regarding L.L.Bean's cloud marketing software • Reduced errors in scripts that run every day increasing overall efficiency ### Web Designer @ Carr Warner Architects Jan 2012 – Jan 2014 Designed, uploaded, and managed a graphics based HTML website for a high end architecture firm ### Gigabit Ethernet Technician @ UNH InterOperability Lab Jan 2013 – Jan 2013 | Durham, New Hampshire • Tested Gigabit Ethernet and Fibre Channel products for conformance before they enter into production. • Generated reports for third party companies regarding their product’s conformance to IEEE standards. ## Education ### Bachelor of Science (B.S.) in Computer Engineering University of New Hampshire Jan 2013 – Jan 2017 ### Full Stack Web Development Certification in Computer Software Engineering freeCodeCamp Jan 2017 – Jan 2018 ## Contact & Social - LinkedIn: https://linkedin.com/in/chasrickarby - GitHub: https://github.com/crq83 --- Source: https://flows.cv/chas JSON Resume: https://flows.cv/chas/resume.json Last updated: 2026-03-22