Worked on proprietary ad tech product involving geocoding.

Owned implementation of multiple greenfield projects from spec to implementation to deployment (GCP).

Designed and developed a microservice-based system for managing complex ad flows.

Managed an offshore development team to deliver a website based on Vue and Node.js.

Consolidated disparate deployment using AWS, which resulted in savings and better latency.

Migrated Heroku to Fargate and MongoDB from MongoDB Cloud to AWS Fargate.

Helped to implement the advertising using Google (Ads API, Google Tag Manager, Analytics) and Facebook.

Implemented best practices to improve velocity, code quality, and stability, e.g., CI/CD, automated unit and integration tests, code coverage, observability, monitoring and alerting, on-call rotation, vulnerability detection, load testing, and more.

Drove adoption of CI/CD, including automated regression tests and promotion, on-call, and monitoring/observability.

Led design, development, and delivery of new algorithms for efficient dispatching of home service professionals.

Cooperated with PMS and EMS to balance internal engineering needs (as above) and product-oriented projects. Developed technology roadmap and AWS cloud infrastructure plan to align with the product roadmap.

Joined when AppLovin acquired MZ and also integrated MZ's (the acquired company) existing RTB bidder functionality with AppLovin.

Worked on green-fielding a non-RTB DSP demand-side platform for partners' use.

Took over ETL/data pipeline projects and associated tooling.

Led maintaining and improving a core marketing and growth engineering functionality, real-time bidder (RTB), accountable for millions of queries per second and millions of dollars spent monthly.

Operated on the architectural guidance within the product and across teams, including introducing regression testing and ad hoc AWS querying to supplement on-premise clusters for business users and data science.

Accepted some of the previously external operations roles to become complete product owners, including migration from on-premise to cloud (AWS) and adding DevOps automation.

Created a lakehouse using Glue and Athena to supplement Hadoop (in AWS) and Vertica (on-premises) for business users and data science.

Liaised with relevant teams such as release engineering, DevOps, ad operations, and data science.

Worked on providing forecasts of available advertising inventory for customers who want to run advertising across the Amazon advertising network.

Implemented forecasting for private marketplaces in real-time bidding advertising scenarios.

Worked with the data science team to operationalize forecasting models.

Joined the company as the founding engineer, producing initial prototypes for using Romana as a network layer for OpenStack.

Developed topology-aware IP address management (IPAM) module.

Produced and shipped editions from PoC/demos to 2.0, up to date.

Architected, developed, and deployed the initial version of the real-time bidding (RTB) system for bidding on advertising.

Scaled the system, through architecture and deployment (AWS) to handle hundreds of thousands of qps.

Led further feature development and operation of the system by managing several teams, including server, UI application, technical ad operations, ops, and DevOps.

Worked on the company's acquisition by Social Reality.

Developed initial versions of the company's innovative video ad serving platform.

Grew the technical team to 30+ people, assuring running ad serving and technical support to customers on a global scale.

Led the technology aspect of a successful acquisition by Exponential Interactive (now VDX.tv).

Developed initial version of the GUI, enabling users to create data pipelines.

Introduced and maintained best engineering practices, such as CI/CD, code coverage, and more.

Played key roles in shipping releases 0.1 to 3.0 as well as pre-and post-sales support in the company's initial stages.

Took initiative in prototyping and demoing features I thought would benefit the product, including data pipeline debugger with the ability to step through data flow, and had them included in subsequent versions.

Worked on porting the Windows-based ASP and C++ web cash management system to the Jakarta EE platform.

Developed and open-sourced tools for automating similar projects, for ASP and JSP and VBScript and Java conversions.

Created, working closely with the chief architect, release engineering processes for these new products.

Developed a reproducible development environment to allow convenient IDE features to work with production-like deployment, thus improving engineers' experience.