# Timothy Guo > Software Developer @ The D.E. Shaw Group | Prev. at Google, PayPal, UC Berkeley Location: New York, New York, United States Profile: https://flows.cv/timothyguo ## Work Experience ### Software Engineer @ The D. E. Shaw Group Jan 2024 – Present | New York, United States Software engineer on the options team ### External Member / Advisor @ Traders at Berkeley Jan 2023 – Jan 2024 | Berkeley, California, United States ### Reinforcement Learning Researcher @ Center for Human-Compatible AI Jan 2021 – Jan 2024 | Berkeley, California, United States • Worked under Stuart Russel to evaluate reinforcement assistance learning through sandbox games. Trained agents using RLlib and Ray to observe a human’s actions and assist appropriately. Built infrastructure to communicate between PyTorch and Minecraft. ### Software Engineering Intern @ The D. E. Shaw Group Jan 2023 – Jan 2023 | New York, NY • Designed, implemented, and pushed to production a new way to manage remote kernels in JupyterLab, extending complex existing Python and Javascript libraries to support new features. • Enhanced security, performance, and customizability. Increased startup speed by 20x. • Proposed and implemented a Jupyter Enhancement Proposal and multiple PR’s in open source adding widely demanded features. ### Senior Advisor @ Blockchain at Berkeley Jan 2023 – Jan 2023 | Berkeley, California, United States ### President @ Blockchain at Berkeley Jan 2022 – Jan 2023 | Berkeley, California, United States • Coordinated club-wide operations for over 70 members. Designed and implemented vision, optimizing for output and retention. • Expanded B@B’s external reputation through events, blogs, and sponsorships. Promoted B@B at conferences and networking events. ### Head of Internal @ Blockchain at Berkeley Jan 2021 – Jan 2022 | Berkeley, California, United States • Managed org-wide recruitment. Organized and conducted tabling, interviews and delibs for 200+ candidates. Expanded campus marketing and engagement. Increased applications by 300%. • Modified club social culture to emphasize inclusion and consent through SVSH training and carefully planned socials. • Planned, managed, and executed a four-day retreats to Hawaii and Cabo for 70 members. ### UNICEF Project Lead @ Blockchain at Berkeley Jan 2021 – Jan 2021 | Berkeley, California, United States • Led a team to secure a $60,000 grant from Compound for an open-source UNICEF consulting project. • Led a team of 9 developers, business consultants, and designers. Redesigned smart contracts and rewrote front-end. Increased functionality and stability. Ran extensive unit and integration tests. ### Full Stack Developer @ Blockchain at Berkeley Jan 2020 – Jan 2021 | Berkeley, California, United States • Spearheaded a smart contract architecture redesign for an open-source UNICEF consulting project. Integrated new smart contracts with existing functionality and new frontend elements. • Led an internal project to track COVID-19 vaccine distribution through blockchain • Researched current distributed hash tables. Implemented a novel DHT to improve security. • Revamped internal training curriculum. Sourced quality lecturers. Led to increased quality of work. ### Software Engineering Intern @ Google Jan 2022 – Jan 2022 | Mountain View, California, United States • Integrated and tested a new predictive AUIS media ranking model into Google Assistant’s request serving pipeline using C++ and Go. • Deployed nodes to host models. Migrated models into a new horizontal ranker. Generated signal ranking tables and data trees in Go. • Wrote, ran, and monitored live experiments. Increased satisfactory assistant interactions by 0.44% with a win/loss ratio of 1.9. ### Software Engineer Intern @ PayPal Jan 2022 – Jan 2022 | San Jose, California, United States Designed, implemented, and deployed to production a JavaScript portal for creating, editing, running, and organizing functional tests, pulling data from GitHub and MongoDB. Developed static analysis tools for new tests. Reduced testing workflow time by 70%. ### Graduate Student Instructor @ UC Berkeley Sutardja Center for Entrepreneurship and Technology Jan 2021 – Jan 2022 | Berkeley, California, United States • Instructed 60+ students on building blockchain startups with industry-leading speakers. Held office hours and assigned grades. ### Researcher @ University of California, Berkeley, Haas School of Business Jan 2021 – Jan 2022 | Berkeley, California, United States • Produced a meta-analysis of risk-taking and power through data analysis of existing research ### Project Lead @ UC Berkeley Disabilities Lab Jan 2021 – Jan 2021 | Berkeley, California, United States • Led a team of 8 to build a webapp to find ADA-compliant routes through campus using crowdsourced accessibility data. Conducted interviews with users and partnered with UC Berkeley for campus data. ### Summer Analyst @ Galaxy Digital Jan 2021 – Jan 2021 | New York, New York, United States • Built a Node.js arbitrage bot (0.6% profit margin) and a Python copy-trading bot (8% profit margin) • Wrote internal reports on cross-chain bridging, L2 scaling, proxy contracts, Eth 2.0, and London hard fork • Evaluated venture deals through market analysis and data parsing to verify profit projections. • Created and published an SQL analysis of churn rate and volume by user cohort in popular exchanges. ### Blockchain Development Intern @ Byte to Byte LLC Jan 2020 – Jan 2021 | Irvine, California, United States • Executed a Marwin Sports collaboration. Built a cross-platform app and backend using React Native, Node.js, MongoDB, and Solidity to track smart masks. Currently beta testing with 3000 masks. • Demonstrated a proof-of-concept to Tiffany & Co and Trans Am for boosting engagement using blockchain. Presented results to clients. Helped clients iterate upon their blockchain use cases. • Researched and integrated the Zoom API with a live video streaming platform. ### Co-Founder @ Badge Jan 2019 – Jan 2020 | Cambridge, MA ### Co-founder and Chief Operating Officer @ Dime Jan 2018 – Jan 2020 | Newport Beach, CA • Won the AngelHack Los Angeles 2018 Hackathon. Pitched product to hundreds of investors at AngelHack’s Global Demo Day 2018 as one of the most promising AngelHack hackathon projects. • Won award from venture capital group 500 Startups at Global Demo Day. • Led the development of the React.js front-end. Designed UI around the limitations of blockchain. • Found a mentor. Developed goals, future plans, and strategic vision with C-suite. ### Web Development and Social Media Marketing Intern @ Linden Educational Services Jan 2019 – Jan 2019 | Orange County, California Area • Designed and implemented marketing strategy to promote programs for international students. • Rewrote website with React.js. Automated data entry with Python web parsing, saving 90% time ### Social Media Marketing Intern @ GLOSS MODERNE Jan 2017 – Jan 2017 | Newport Beach, CA ### Financial Analyst Internship @ Shopoff Realty Investments Jan 2017 – Jan 2017 | Irvine, CA ## Education ### Bachelor of Science - BS in Electrical Engineering and Computer Science, Cognitive Science University of California, Berkeley ### Sage Hill School ### Irvine Valley College ### LaunchX Entreprenurship Summer Program Massachusetts Institute of Technology ## Contact & Social - LinkedIn: https://linkedin.com/in/timothy-guo-94507016a --- Source: https://flows.cv/timothyguo JSON Resume: https://flows.cv/timothyguo/resume.json Last updated: 2026-04-05