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• Area tech lead for "Financial Access Platform," which is composed of 3 teams that form the underlying platform for all Financial Institution integrations at Plaid• Work cross-functionally within the Financial Access org to set technical strategy and identify projects for FA platform. Mentor 3 tech leads.• Ideate and spearhead cost-savings initiatives within the Financial Access org, resulting in double-digit percent savings. Evangelize learnings and projects with other orgs in the company.• Develop software in TypeScript & Go.

• Tech lead on Plaid Exchange, setting technical direction and developing products/APIs related to consent management, risk, and authorization/authentication• Working closely with engineering & cross-functional partners both internally and across the industry• Represent Plaid within the industry by serving on a Financial Data Exchange Task Force, developing RFCs, and presenting webinars• Serve as an internal Architecture Council representative, influencing technical direction across engineering at Plaid

• Tech lead on the Optimal Dispatch team, implementing & optimizing systems to more efficiently match passengers and drivers.• Key architect of products such as Shared Saver, Priority Pickup, and ongoing efficiency work in the walking-optimization space• Planned and shipped decomposing components of our legacy PHP monolith into Python and Go microservices.• Key contributor to a rewrite of our dispatch system, unlocking new product scenarios and globally optimal matches across disparate systems.• Serve on the on-call rotation for critical Lyft components. Iterate on on-call noise and actionability of pages. Write documentation about reliability and best practices.• Develop software in Python (Flask) and Go on AWS.While not architecting systems:• Mentor for 10+ developers (over time) at T3-T6 levels, focusing on onboarding and career growth• Iterate on Lyft interviews and interview training; instrumental to the launch of Lyft's laptop interview process with a focus on eliminating bias in our interview process. Conducted 250+ interviews. Participant in Lyft interviewing events in SEA, NYC, and Buenos Aires.• Active university candidate interviewer. Represented Lyft at an MIT career fair in '16, gave a tech talk there, and conducted on-campus interviews at Cornell & Columbia in '19• Participated in office launch & engineering onboarding in SEA and NYC offices. Presented dispatch tech overview at the London office.

• Developer on the dispatch & matching team, implementing & optimizing systems that more efficiently match passengers and drivers.• Architected & shipped the backend of Lyft's ride scheduling feature.• Developed infrastructure to load test our production dispatch system.• Implemented a supply/demand forecasting mechanism in order to measure and influence dispatch decisions.• Independently implemented critical component needed for a Lyft feature which unlocked new market efficiencies.• Develop software in Python (Flask) on AWS and MongoDB.• Promoted to staff software engineer in Spring 2017.

• One of two engineers participating in a reliability software engineer pilot program• Focused on tooling, training, and engineering education to define & improve reliability across the payments team. Increased visibility for payment features and established best practices for monitoring for both the pay team and their partners.• Shipped a v0 anomaly detection library leveraging Wavefront, Python library updates to improve visibility in logs, and wrote education material for reliability and testing best practices.

• Tech lead on the passenger growth and coupons teams with a focus on increasing passenger signups and first-ride-conversion rate. • Researched and implemented an integration with a third party engagement tool.• Architected a refactor of our coupons infrastructure, with the goals of removing ambiguity from the current system, unlocking new scenarios, and decomposing it out of our main monolith service.

• Developer on the passenger growth team with a focus on increasing passenger signups and first-ride-conversion rate.• Architected & shipped an event-driven tool to engage with users through credit drops, SMS, and push notifications as they perform certain actions, thereby increasing ridership, decreasing time-to-first-ride, increasing number of paid rides, and successfully resurrecting many passengers who signed up but never tried Lyft.• Architected & shipped a refactor of our referrals system, which enabled dynamically changing referral values based on region and referrer's role. This lets Lyft efficiently increase growth in new regions and decrease CPA in popular regions by adjusting referral reward values.• Develop back-end software in PHP (Zend) & Python (Flask) for Lyft's SOA, built on various AWS technologies and MongoDB. Occasionally develop front-end software in AngularJS.

Microsoft Account Android App• Key developer and architect of the Microsoft Account Android app, which streamlines the two-step verification process from typing a complicated code, into a single tap on an Android notification [1]• Specced & developed key features such as: a JavaScript-Android interface, XML request signer & XML response signature-verification modules, XML parsers for certain server responses, automatically round-tripping an SMS verification code sent to the device, using user data on the device to streamline sign-in and sign-up, and implemented user-facing UI such as app screens and Android notification UI• Independently researched, implemented, and documented project infrastructure such as build tools, build pipeline integration, localization pipeline integration, project file-structure & modularization, and development environment setup• Designed and independently presented the project's threat model, and in doing so revealed exploits in the planned implementation• Developed software in Java with EasyMock for tests and Apache Ant for build infrastructure1: https://bit.ly/3qqGiO1

Microsoft Account Windows Client• Maintained & developed a Windows 8 & 8.1 authentication API. The API provided user authentication and single sign-on for Metro apps through Microsoft Account (formerly Windows LiveID) [1][2]• Developed Windows 8.1 features including mitigating a class of authentication replay attacks and a post-uninstall hook to empty an app's auth ticket cache• Developed software in C++1: http://bit.ly/1BD5gMs2: http://bit.ly/1h6qHuD

Outlook.com Web Developer• Developer on Outlook.com's address book, composed of the People [1] and Profile [2] web front-ends• Implemented Metro redesigns of various user-facing pages and wrote People's block/unblock contact feature, which unified modern contact blocking with two legacy contact blocking methods• Developed software in C# and jQuery with HTML & CSS1: http://bit.ly/1uvw7aK2: http://bit.ly/1BfqyMo

• IEEE-HKN is a computer and electrical engineering honor society. Lead developer of a Ruby on Rails website for UCLA's chapter of IEEE-HKN.• Repaired various site bugs in addition to brainstorming and writing new site features, notably, the undergrad exam database, the photo albums page, the contact page, and internal infrastructure to determine significant quarterly milestones by scraping UCLA's academic calendar• Comprehensively documented all aspects of the site, such as the necessary development tools & environment, production environment, Ruby on Rails onboarding for beginners, site-specific data structures and algorithms, goals of the site, and webmaster transitions• Worked closely with Allen Wu [1] and Kuangyi "Keith" Chen [2], using Trello and Google Docs for collaboration and planning• Expanded HKN's reach among UCLA's EE/CS undergraduates by maintaining and updating the HKN facebook page• Deployed and maintained the live site on an Ubuntu 10.04 machine with nginx via Phusion Passenger• Developed software in Rails 3.05 with erb, jQuery, and git in a Windows environment1: https://linkedin.com/profile/view?id=1030154682: https://linkedin.com/profile/view?id=109568293

• Independently redesigned the fraternity's website for the first time in 4 years, choosing Drupal (with custom PHP, JavaScript, and CSS) to allow maintenance by a future, non-technical administrator• Wrote all content for the site in order to create a professional online presence for the fraternity, which in turn successfully recruited 30+ new members and educated parents about the fraternity's services, deeds, mission, and values• Established and grew the fraternity's online brand by creating and managing the facebook [1] and twitter [2] pages1: https://facebook.com/bruindelts2: https://twitter.com/bruindelts

• Ported and documented an SPD reading and writing tool to an existing server with a unique I²C network, driving the server towards integration into Cisco’s award-winning UCS management suite• Cross-compiled binutils to run on the ARM architecture of Cisco’s rack server BMC, enabling my team to investigate and repair defects that could not be addressed prior• Configured two servers with RHEL 6.1 to be used for rack server BMC firmware development, decreasing our source tree pull-time four-fold and build-time three-fold• Independently researched and implemented a testbed scheduling solution for my team of developers, enabling organized, efficient reservation and use of our test machines• Developed software in C and BASH in a Linux environment

• Lead developer of a web app, for the Human Guided Information Analytics Initiative, which generates natural language summaries from a given set of documents and a user-provided regular expression• Developed new features and maintained existing features for the UI, web backend, and OCR pipeline while a full-time student, such as adding user registration and authentication, adding support for PDF, zip, and tar.gz files, integrating a MySQL database into the app instead of storing the files directly on disk, and porting the app from Linux to Windows (on xampp)• Deployed the site from a small, test-only environment into a production-level usable tool via the above, making the tool useful for research by academics at RAND• Developed software in Python, PHP (through CakePHP), HTML, and some SQL & JavaScript

• Developed and documented server kernel module software to verify & test the firmware capabilities of an NIC over the BMC CLI• Investigated and repaired defects in kernel initialization routines and server diagnostic tools• Designed and communicated presentations covering the NIC tool and a Cisco-internal testing tool• Developed software in C and BASH, and a little Expect, in a Linux environment

• Developed and documented an original DSL, along with a parser and lexer, to streamline data acquisition with electromagnetic spectroscopy research instruments• Developed the foundations of an upgrade server to distribute company software updates to clients• Developed software in Ruby, both vanilla and through Sinatra with Haml, CSS, and JavaScript