# Carlos Portillo Jr. > Software Engineer @ Cruise | Ex-Meta | Indie Dev Location: San Francisco, California, United States Profile: https://flows.cv/carlosportillojr Proficient in Microsoft Word ## Work Experience ### Senior Software Engineer II @ Cruise Jan 2023 – Present | San Francisco, California, United States Machine Learning Infrastructure team (July 2023 -) • Led and architected early-stage planning work for new products and features within Cruise’s machine learning infrastructure platform. Leveraged previous experience with chat and commenting systems to identify key deliverables, prototype scalable designs, and anticipate usage patterns for in-house messaging and annotation tools • Built upon and optimized visualization software rendering AV sensor data in 2D/3D space, helping accelerate both MLE and labeling workstreams by displaying camera, radar, and lidar projections from different angles. Added new logic to filter out point clouds by pulling in terrain data and improved performance when caching and masking information between frames • Handled SQL table creation with end-to-end integration into existing tooling, creating all necessary ORM, server, GraphQL, and frontend logic along the way. Tech stack was primarily Typescript and React (legacy and 18) on client, GraphQL, Go and go-pg/Bun on backend and PostgreSQL/BigQuery backing our data • Won the 2023 office fantasy football league ### Software Engineer @ Personal project Jan 2022 – Present | San Francisco, California, United States WWII and historical based (Unity/C#/C++) ### Front End Engineer @ Meta Jan 2019 – Jan 2022 | San Francisco Bay Area Ads Manager Products (August 2021 - October 2022) • Drove the 2022 Advantage+ rebranding effort across Meta Ads Manager end-to-end and oversaw a successful multi-step rollout to completion. Coordinated large effort across multiple teams consisting of product managers, designers, and marketing VPs • Architected and helped guide implementation of projects helping to connect small-to-medium business with Meta marketing experts • Led codebase modernization efforts migrating legacy data-fetching code to newer best-practice frameworks Assistant Team (Messenger/FRL) (July 2019 – August 2021) • Implemented reworked UI functionality on Android for Portal. Added several new features to Spotify, Pandora, and iHeartRadio apps on Portal, integrating them within Facebook’s AR/VR Assistant stack • Designed and built sidebar information panels for SERP as well as corresponding knowledge cards for Facebook News Feed, helping gather feedback and improve data quality by surfacing knowledge graph to hundreds of millions of users ### Software Engineer (contractor) @ Meta Jan 2017 – Jan 2019 | Menlo Park, CA Full-stack engineer onsite at Facebook via PRO Unlimited/Nytec contract Assistant Team (Messenger + AR/VR) (May 2018 – July 2019) • Worked primarily on internal tooling for Assistant engineers with a focus on creating new user interfaces from scratch and plugging them into Facebook’s knowledge graph • Built an interactive D3.js-based UI for directed acyclic graphs from the ground up, taking on both design and eng implementation roles throughout the process. Helped accelerate team velocity through easier workflows for viewing resources, visualizing timelines, logs, and other relevant data from a single location • Built a mid-sized internal web crawler for the backend team that allowed scheduling, inspecting, and recursively traversing information trees. Similarly served both design and engineering roles on a largely autonomous basis Enterprise Engineering (August 2017 – April 2018) • Joined the Enterprise Engineering team at Facebook to help bridge and develop finance applications for the Supply Chain Management department. Worked primarily in React/Flux, Hack/PHP, Flow and GraphQL/Relay, and included some design work in Proton and later Figma • Took over a complete cost-optimization project after the departure of its lead engineer in October. Ran product and engineering meetings for the final half of the project and worked directly with supply chain management team to drive it to completion ### Supply Chain Analyst/Developer @ SRI International Jan 2017 – Jan 2017 | Menlo Park • Built out a Procurement web training tutorial for new hires & helped facilitate a transition from manual purchase requisitions to automated catalog transactions • Implemented tracking and analysis formulas to improve company savings. Integrated SAP Ariba & Microsoft Sharepoint to provide users with real-time vendor information ### Financial Analyst @ Toshiba America Electronic Components, Inc. Jan 2016 – Jan 2016 | Irvine, CA • Designed SQL queries in MS Access for performant data lookups and performed minor maintenance for department websites • Managed full vendor sourcing and negotiation for an office transfer combining three building complexes in San Jose, CA • Processed and signed purchase orders for capital expenditures ranging between $500k to $1.5M each ### Accounting/Purchasing @ Warrior Asset Management Jan 2014 – Jan 2015 | Irvine, CA • Refined purchasing methodology with an emphasis on automation and algorithm-based approaches, that led to noticeable improvements in cutting costs and tracking the department's end-to-end sourcing flow • Managed purchasing responsibilities for 20 properties across the country. Analyzed and negotiated contracts with existing service providers to save in utility costs over course of calendar year. Coordinated department upgrades responsible for thousands in savings on utility expenses • Temporarily oversaw full accounts payable responsibilities during transition after departure of company Controller ## Education ### Bachelor’s Degree in International Relations University of Southern California ### Hack Reactor ## Contact & Social - LinkedIn: https://linkedin.com/in/carlos-portillo-jr --- Source: https://flows.cv/carlosportillojr JSON Resume: https://flows.cv/carlosportillojr/resume.json Last updated: 2026-03-22