# Oscar W. > Senior Software Engineer @ Headway Location: San Francisco Bay Area, United States Profile: https://flows.cv/oscarw Experienced software engineer and technical leader passionate about developing solutions that help people in need. Focused on healthcare, financial mobility, and sustainability. Full stack (backend-leaning) generalist that loves building high impact products from 0 to 1 or 1 to N. ## Work Experience ### Senior Software Engineer @ Headway Jan 2024 – Present | San Francisco Bay Area Patient Team - Care Partnerships ### Technical Lead / (Eng Manager) @ Promise Jan 2023 – Jan 2024 | San Francisco Bay Area Promise works with governments and utilities to help those in need pay their bills. We provide financial assistance tools through technology, like interest free payment plans and relief distribution for lower income Americans. I joined Promise in a full stack (backend leaning) role as the 7th individual contributor at the time, before moving to become a Tech Lead. Role as Tech Lead: Enabled the team to deliver at a high level for our users and customer organizations. This included software design + coding, team processes + project planning, code + design review for my team, career growth + mentorship for my three reports and everything in between. Highlight: led all things technical for the new relief data match verification and outreach product, to help serve the states that partnered with us and give out millions of dollars of relief to lower income Americans, without them needing to submit an application form or take any time out of their day. Government working at it's best! ### Senior Software Engineer @ Promise Jan 2021 – Jan 2024 | San Francisco Bay Area Full Stack Engineer (backend leaning) Designed and implemented new multi-tenant microservices, enabled experimentation at Promise through a third party integration, integrated with Very Good Security on both FE + BE for compliant SSN storage, developed our relief backend service for our greenfield relief application product and built the first in-code alerting flow through the product at the company (amongst many other projects). ### Senior Software Engineer @ Mindstrong Jan 2020 – Jan 2021 | San Francisco Bay Area Mindstrong is a teletherapy platform that provides personalized care to those who need it. Mindstrong does this with a passive mental health monitoring system using biomarkers, an in house clinical team and a member-facing mobile app. I joined Mindstrong when it was a series C company, and the engineering team was ~30 engineers. Backend Engineer. Highlights: Architected and led implementation of Mindstrong’s survey integration platform and microservice Extended Mindstrong's realtime messaging functionality ### Software Engineer @ Mindstrong Jan 2020 – Jan 2020 | San Francisco Bay Area ### Software Engineer @ Welkin Health Jan 2019 – Jan 2020 | San Francisco Bay Area Welkin Health is a care management platform for health organizations serving patients with chronic illnesses. I started working at Welkin right around the time of their series B funding, and the engineering team fluctuated from roughly 10 to 20 individual contributors while I was there. Full Stack (Backend leaning) Software Engineer across two teams: Platform and Professional Services. Platform Team: Designed and implemented end to end full stack projects to empower customer developers and partners, made improvements to the developer API, and fixed bugs across the platform. Professional Services Team: Served as engineering lead for a highly customized customer implementation, working with non-technical shareholders both in and out of Welkin to deliver necessary features within a tight deadline. ### Software Engineer II @ Uber Jan 2018 – Jan 2019 | San Francisco Bay Area Backend Engineer on the Customer Obsession (CO) team @ Uber - I worked primarily in Golang, building out backend microservices and thrift RPC APIs that supported Uber's frontend and mobile clients. CO builds out engineering infrastructure for support at Uber. This is everything from the "help" tab on the app, to the system that routes tickets to support agents, to the support tools that agents use to solve tickets. Some of the work I've done: In-person support tools used by Greenlight Hubs around the world. This includes both a realtime check-in queueing capability as well as appointments via the driver partner app. A feature on the help tab in the Uber app that provided predictive customer support, surfacing valid help issues to users by tapping into our automated workflows and machine learning models. Optimizations and additional features for the internal support tool used by agents for solving tickets. The changes helped with compliance (GDPR) and improved agent handle time. ### Software Engineer I @ Uber Jan 2016 – Jan 2018 | San Francisco Bay Area ### Technical Co-Founder @ Morph (Acquired) Jan 2015 – Jan 2015 | Durham NC Morph was a platform that allowed approved individuals the opportunity to drive at their leisure and availability and provide reliable delivery service for restaurants in North Carolina via an API. I served as one of the two founding engineers that designed and implemented the entire technical project, implementing both the Ruby on Rails backend system, along with a mobile iOS driver front­end. Acquired in 2020. ## Education ### Bachelor of Science (BS) in Electrical and Computer Engineering and Computer Science Duke University ### Institute Global Fellowship MovingWorlds Institute ### Certificate of Completion in Intro to Machine Learning Nanodegree Udacity ### Duke Domestic Study Summer Program 2014 in Building and Sustaining a Successful Enterprise Duke in Silicon Valley ### Study Abroad Fall 2014 through Georgia Tech Lorraine in Electrical and Computer Engineering Georgia Institute of Technology ### Web Development iXperience ### Chinese International School | 漢基國際學校 ## Contact & Social - LinkedIn: https://linkedin.com/in/oscarwang3 --- Source: https://flows.cv/oscarw JSON Resume: https://flows.cv/oscarw/resume.json Last updated: 2026-04-01