Lucas Marshall Email & Phone Number

South San Francisco, California, Us

First hire at Supaglue (formerly called Supergrain). We are building a native product integration platform for integrating customers' sales, marketing, and customer support platforms.

San Francisco, California, Us

Co-lead a cross-engineering effort coordinating the development and rollout of tooling, patterns, and best practices for microservices architecture, allowing the engineering org to increase the rate of development by decoupling business domains from the monolithic architecture currently in use.Pitched, designed and built both a business rules engine and common dynamic configuration system, unlocking the ability for business rules and process to be configured by non-technical stakeholders without the need for coding and deployment, increasing the speed and reducing the cost of experimentation and building new features.Designed and built a configurable DAG-based screen flow system to allow flexible routing of patients to the correct healthcare channels for their needs.

San Francisco, California, Us

Tech Lead for the Order Platform team and the cross-org "uCommerce" engineering effort, doing design, architecture, planning, scoping and implementation of high-availability, high-throughput services that process, persist, and expose APIs to query all data gathered during the fulfillment of a trip or order in all of Uber's systems, as well as handling billing, payouts and SOX compliance.Founding member of Uber's "Project Ark" engineering guiding council, helping define and guide the direction of Uber's overall technology stack, architecture, engineering processes, etc. Successfully lead the org-wide effort to reduce duplication across all engineering teams and projects.Tech Lead for the Search Platform team, doing design, architecture, planning, scoping and implementation of services used by operations teams to search for and create cohorts of entities in the Uber ecosystem and perform actions on them.Co-tech lead for the Uber Everywhere engineering team, where I designed and helped implement a system to model Uber's products in a flexible, consistent, and inheritable manner, allowing city ops configuration of products based on driver, client, vehicle and other context without needing to write any code. Managed the integration of this system in other systems owned by others.Designed and implemented an index of geographic features based on Google's S2 geometry library that is used for routing requests from the Uber driver and client apps to the appropriate geographically-sharded workers for handling dispatches.Implemented a system for operations teams to audit driver documents for accuracy and compliance.Worked on fraud prevention, designing and implementing a real-time stream processing topology in Apache Storm to monitor trips for fraudulent activity and taking appropriate action.Designed and implemented push notification infrastructure used by all Uber mobile apps on iOS and Android devices, including POC of push notifications in the Uber client app.

Worked in the infrastructure group, architecting and implementing APIs, libraries, systems and tools used in the rest of the engineering department and that ran the full stack of services used by applications at StumbleUpon.Architected and/or implemented universally-used services, systems and APIs providing data access services for MySQL, HBase, memcache, redis and other data systems, unified front controller system used by all products, URL surveyor (crawler and content analysis), A/B testing system, configuration management and many more.Provided cross-team technical leadership and guidance, working with engineers, PMs and designers on recommendation systems, UI, engineering, documentation, development process, best practices, and operations.

Sunnyvale, Ca, Us

Assisted in architecture, design, and implementation of a platform based on Yahoo!’s versatile Vespa search engine to allow for Yahoo!-owned properties to have access to an easy-to-use hosted vertical search system.Coordinated releases and did release management engineering for the application, utilizing internal Yahoo! package and configuration management tools.Created designs for new UI and backend features for the Hosted Vertical Search product. Implemented features and new systems using PHP, RESTful APIs, and front-end technologies. Integrated with backend and middle-tier systems and consulted on architectural decisions for the overall system.Assisted in the architecture and implementation of a new version of the software that used technologies such as MySQL cluster and ZooKeeper.

San Francisco, Ca, Us

Responsible for architecture, integration and ongoing operation of computer-based systems for media delivery, dailies review, image format conversion and image workflow used throughout the Industrial Light + Magic and Lucasfilm Animation organizations. This includes DPX/EXR-based video servers and EXR-based workstation dailies systems and projection.

Sunnyvale, Ca, Us

Assisted in architecture, design, and implementation of a platform based on Yahoo!’s versatile Vespa search engine to allow large scale tree/sub-graph structured search and guided navigation called BOSS Custom.Working both singly and in concert with User Experience Design, designed and implemented PHP- and JavaScript-based user interfaces used by partners to manage hosted search solutions at Yahoo! Developed Java-based middleware to connect front-end PHP-based applications to back-end systems and MySQL databases via RPC protocols and JMS message queues.Designed and implemented open APIs for data indexing and search engine querying for Yahoo!’s open search strategy.Inventor of several pending and granted patents in search engine traffic analysis and large scale structured search.

St George, Utah, Us

Programmed web applications for customers and the company. Used several technologies extensively, including PHP, Python (including Zope and Django), Perl, JavaScript, and XML/XSL.Developed the content management system for several websites owned and operated by the company.Developed and maintained many internal systems for account management, information dissemination, support resources, and training. Did systems integration work between the corporate website and internal system for billing, account management and system monitoring/reporting.Acted as managing editor and writer of content for DevShed.com.Responsible for purchasing and maintenance of FreeBSD- and Linux-based web, mail, DNS, LDAP, and other servers.

St. George, Utah, Us

Did video editing and QA work on all of LearnKey's online and CD-ROM-based training products. Was responsible for editing video to have usable buffering speeds when streamed via a RealNetworks server. Responsible for locating and fixing errors in products before they are shipped to the public. Investigated and did practical research on new technologies that could be used to streamline the CD-ROM department’s product pipeline. Created a PHP- and MSSQL-based online project management and tracking system for the CD-ROM department.

Was responsible for maintaining the office's numerous Mac OS- and Windows-based PCs and workstations. Facilitated the move from linear tape-based editing systems to computer-based non-linear systems, starting with Adobe Premiere and moving to Avid. Designed and implemented the office network. Administrated the company's Mac OS and Linux-based web and mail servers. Performed video editing tasks on Premiere- and Avid-based non-linear editing stations. Performed switching duties in master control. Moved master control from tape-based airing systems to computer-based systems. Responsible for researching and purchasing of new hardware and software used throughout the company.

Provided technical support to Redrock Internet customers, and helped maintain the company's BSD/OS-based servers