# Justin L. > Sleuth Location: San Francisco Bay Area, United States Profile: https://flows.cv/justinl2 ## Work Experience ### Senior Engineer @ Dexterity, Inc. Jan 2023 – Present | Redwood City, California, United States ### Engineer @ Stripe Jan 2022 – Jan 2022 • Led development of the Revenue Report, allowing merchants to understand their incoming payments. • Completed a full-stack implementation that added sorting to Stripe's payments view for the first time. ### Staff Software Engineer @ LinkedIn Jan 2021 – Jan 2021 • Led full-stack experiment across Mobile, Web, AI, Data Science, and Infrastructure teams. Saved weeks of analysis time by reducing rollout complexity 6x. ### Senior Software Engineer @ LinkedIn Jan 2016 – Jan 2021 • Overhauled of LinkedIn Search and accelerated its launch by 3 months with a phased rollout plan. • Saved millions of dollars in potential fines by identifying and fixing a sitewide GDPR bug. • Led 8 teams to close a security hole that allowed arbitrary manipulation of any user's search history. • Halved the total cost-to-serve for images on LinkedIn's website and Linkedin Search. ### Software Developer @ Palantir Technologies Jan 2016 – Jan 2016 • Developed pluggable React components for Palantir's Gotham analysis product. ### Tech Lead, Plottable.js @ Palantir Technologies Jan 2014 – Jan 2015 • Led the team developing a flexible, interactive, and extensible open-source data visualization library. • Created a versatile Typescript API to meet the charting needs of Palantir's teams and customers. • Drove user adoption of the library both within and outside the company. ### Software Engineer @ Palantir Technologies Jan 2013 – Jan 2013 • Developed features and improved chart performance for Palantir's numerical analysis software. ### Graduate Student / Research Assistant @ Computational Fabrication Group, MIT Jan 2011 – Jan 2013 | Cambridge, MA • Led the team responsible for the printer's design and software. • Mentored undergraduate research assistants developing printer subsystems. • Designed, built, and tested a multi-material 3D printer with a five-axis positioning system. • Created and refined control algorithms for the positioning system. • Devised computer algorithms for new rapid-prototyping processes, including procedural design using a database and approximating 3D models with laser-cut structures. ### Lead Developer @ Downwards iPhone Game Jan 2010 – Jan 2013 • Coordinated the engineering, marketing, and art resources of an iPhone puzzle-platforming game. • Conducted user studies and playtesting to identify bugs and assess user interface design. • Devised the game mechanics and defined the game’s architecture, which includes a physics-based game engine, a user-interaction controller, and a configuration-driven module that dynamically loads resources and level data. • Developed a design tool for creating levels for the game, simplifying development and enabling user-created content. • Implemented a game engine with a collision-detection framework and custom animations in Objective-C. ### Research Intern @ Artificial Muscle, Inc. Jan 2011 – Jan 2011 • Developed manufacturing methods, testing procedures, and applications for new dielectric elastomer devices. ### Research Intern @ iRobot Jan 2010 – Jan 2010 | Bedford, Ma • Worked with a team of engineers to design, model, and build high-mobility suspension systems. • Performed mathematical analysis of the stability, mobility, and power consumption of various suspension designs. • Developed an assembly process and tools for a universal robot gripper. ### Research Associate @ NASA Robotics Academy Jan 2007 – Jan 2007 | Greenbelt, MD • Designed and built a team of modular robots that collaborate to diagnose and repair a damaged member of the team. • Analyzed and implemented various algorithms in C for obstacle avoidance and coordinating the robots. • Developed and prototyped a robot to demonstrate a low-cost and effective design for mobile wireless network beacons in unstructured environments. ## Education ### Master of Science (MS) in Mechanical Engineering Massachusetts Institute of Technology ### BS in Mechanical Engineering Massachusetts Institute of Technology ## Contact & Social - LinkedIn: https://linkedin.com/in/jtlan --- Source: https://flows.cv/justinl2 JSON Resume: https://flows.cv/justinl2/resume.json Last updated: 2026-04-01