# Matthieu Devlin > Senior Staff Engineer at Zumper Location: San Francisco, California, United States Profile: https://flows.cv/matthieu I drive the long-term technical strategy and architectural vision for Zumper's core platforms. My role focuses on leading large-scale, multi-quarter initiatives that enhance system reliability, developer velocity, and platform modernization. I act as a key technical advisor, mentor engineers, and lead cross-functional projects to solve our most complex engineering challenges. ## Work Experience ### Senior Staff Engineer @ Zumper Jan 2022 – Present | San Francisco Bay Area Some examples of key achievements over my 8-year tenure: - Led core frontend infrastructure initiatives, including the modernization of legacy forks to React Router 6 and Webpack 5, and the establishment of full-stack observability and performance monitoring to drive data-driven UX improvements. - Spearheaded foundational modernization to Python 3: Led and implemented the company-wide, multi-quarter migration from Python 2 to 3. Coordinated team of 7 (FTEs + contractors) to successfully upgrade our entire backend stack, unlocking modern performance benefits and long-term maintainability. - Drove developer velocity by adopting a monorepo: Architected and executed the migration to a monorepo, implementing new build tooling and CI strategies, unifying our codebase and improving developer velocity. - Led critical search platform rearchitecture: Co-led the re-architecture of our core search service, designing and implementing a new system to improve p90 performance by 10x, increase flexibility, and provide standardization across the querying API. - Ensured business and legal compliance (CCPA): Led the end-to-end engineering initiative for CCPA compliance. Worked with internal and external legal counsel to translate legal requirements into a robust technical solution, building new services and reporting pipelines to ensure data privacy standards across the engineering organization. - Owned greenfield product development (Rent Payments): Architected the complete backend for Zumper's inaugural rent payment system. Designed the core data models and built the foundational APIs from the ground up, establishing a critical new business vertical. - Full-stack ownership and mentorship: Acting as a key technical advisor for both backend (e.g., Pydantic migration) and frontend (e.g., React Router upgrade from custom fork) platforms. ### Staff Engineer @ Zumper Jan 2021 – Jan 2022 | San Francisco Bay Area ### Engineering Manager @ Zumper Jan 2020 – Jan 2022 | San Francisco Bay Area ### Senior Full Stack Engineer @ Zumper Jan 2019 – Jan 2020 | San Francisco Bay Area ### Full Stack Engineer @ Zumper Jan 2017 – Jan 2019 | San Francisco Bay Area ### Software Developer II @ PharmGKB Jan 2015 – Jan 2017 | San Francisco Bay Area As a full-stack engineer on a 3-person team, I owned end-to-end development for core platform modernization and data delivery services. - Implemented internal-tool modernization: Architected and implemented a framework for converting legacy and building new internal-facing curator tools using our new technology stack (React/Ampersand.js). - Iterated on core data APIs: Designed, built, and maintained primary APIs (Java/Jersey) that powered the website redesign and enabled data distribution to researchers and commercial partners. - Enabled clinical data integration: Developed a new interoperability service to provide PharmGKB's genomic data directly to Electronic Health Record (EHR) systems, enabling the clinical application of research data. - Evolved core data model: Executed data migrations (Hibernate/Oracle) to ensure the platform's data model kept pace with rapid developments in the genomics field. ### Data Science Intern @ YouGov Jan 2014 – Jan 2015 | San Francisco Bay Area - Partnered directly with the Chief Scientist to develop and refine the predictive model for the 2015 UK General Election, a high-profile, public-facing deliverable. - Designed and built an automated workflow using R to process and upload analysis-ready data to the customer-facing visualization platform. - Conducted statistical analysis on large-scale datasets to support core modeling efforts. ## Education ### Master's Degree in Computer Science University of Oxford Jan 2013 – Jan 2014 ### Bachelor's Degree in Mathematics University of St Andrews Jan 2008 – Jan 2013 ## Contact & Social - LinkedIn: https://linkedin.com/in/matthieudevlin --- Source: https://flows.cv/matthieu JSON Resume: https://flows.cv/matthieu/resume.json Last updated: 2026-03-22