Profile picture of Zack Low

Zack Low

Engineering Leader

New York City

AI-focused engineering leader passionate about building data-driven, product-focused agile engineering teams by fostering collaborative environments. I leverage my technical expertise across large-language models, full-stack applications, API design, service decomposition, and observability to guide my teams' product and technical vision. I also apply concepts of organizational design and behavior to my strategies to ensure operational efficiency across the teams I work within.

Latest Employment

GlossGenius March 2023 - September 2025

Engineering Manager March 2023 - September 2025

AI-focused engineering leader passionate about building data-driven, product-focused agile engineering teams by fostering collaborative environments.

GlossGenius Logo
  • Led and contributed to AI-focused product offerings, leveraging LLMs, prompt engineering, and OpenAI GPT models. These projects increased waitlist conversions by 23%, resulting in a $16m GMV increase, increasing key onboarding actions by 20%, and helping drive ARR increases through higher software pricing.
  • Procured and evangelized AI tooling such as the Cursor IDE, Devin.ai, and Claude, driving a 30% increase in code contributions across an engineering organization of 90+.
  • Created and led the AI Platform team, driving the product and technical vision through documentation and systems design, contributing as a Staff IC engineer as I expanded the team's headcount. Technologies used were Kotlin, Typescript, React Native, Mastra, and the OpenAI API.
  • Formed a Growth Engineering team, driving a 30% increase in ARR in its first year through software pricing and upgrade funnels across multiple user cohorts. This was done with a data-driven approach utilizing Segment, Snowflake, Mixpanel, and Looker.
  • Increased conversion rate by 19% by utilizing A/B testing to implement onboarding and other funnel improvements within one fiscal half. This was done using design thinking processes, iterative design, and experiment evaluation through Eppo.
  • Aligned with cross-functional stakeholders such as the Go-to-Market and Partnerships teams to ensure channel health, develop strategic partnership opportunities, and drive top-of-funnel growth. This led to an incremental 11% increase in ARR.
  • Documented and presented roadmaps, operational updates, and key decisions to Executives and other critical stakeholders utilizing executive communication strategies, storytelling, and data visualization.
  • Contributed to 100+% headcount growth within my team (4 to 9) and the engineering department (30 to 120) by conducting interviews, making hiring decisions, and establishing new internship and early-career pipelines.
  • Conducted regular performance reviews utilizing qualitative and quantitative data to assess performance across key dimensions. This led to quick evaluations of new hires, multiple promotions, and continued growth across junior to Staff reports.

Previous Employment

Clover Network Inc. October 2018 - February 2023

Engineering Manager August 2021 - February 2023

Led a highly efficient global team of 16 cross-functional engineers through building and maintaining multiple consumer-facing web and mobile applications, including online ordering, customer loyalty, profile management, and associated backend services.

Clover Network, Inc. Logo
  • Led a highly efficient global team of 16 cross-functional engineers through building and maintaining multiple consumer-facing web and mobile applications, including online ordering, customer loyalty, profile management, and associated backend services.
  • Crafted recruitment and hiring processes focused on candidate quality, developer time efficiency, and clear communication, which increased the engineering headcount of over 95 engineers at multiple skill levels and offices.
  • Ensured code and product quality standards by encouraging automated tooling, monitoring, and branch testing processes to move towards a continuous delivery model.

Senior Software Engineer, Tech Lead March 2020 - August 2021

  • Led an engineering team that built and maintained a performant, highly available, and multi-locale first-party online ordering product for SMBs that integrates directly with the Clover POS using Java, Spring Boot, Redis, MySQL, and React/Typescript.
  • Pioneered real-time application performance monitoring to create a proactive culture around bugs and issues using DataDog, PagerDuty, and Wavefront to monitor errors and the performance of Spring Boot microservices. Datadog was then later accepted as our APM and Logging SaaS provider
  • Championed service decomposition efforts with knowledge shares, technical documentation, and contributions to a parent project providing Clover-specific functionality for company-developed Spring Boot microservices deployed to Google Cloud Platform (GCP) using Java, Terraform, Puppet, and Jenkins.
  • Mentored other engineers to advance their skills and careers using a goal-based approach to evaluate consistent progress, with multiple engineers being promoted throughout the process.

Software Engineer II October 2018 - March 2020

  • Implemented Scrum and eventually Scrum-of-scrum practices within the team as it scaled to better track and forecast work, developing standards for processes, estimation, and ceremonies within the team.
  • Led the development of cross-cutting features with multiple teams and financial business units to increase new merchant approval percentage through Clover's self-service application product.
  • Revamped lead generation and management from a monolithic to a microservice-based architecture, advancing service decomposition efforts using modern technologies, domain knowledge, and API design. Key technologies include Java, Spring Boot, Hibernate/JPA, Redis Pub/Sub, and GCP.

Constant Contact July 2016 - October 2018

Software Engineer July 2016 - October 2018

Build and maintain scalable full stack web applications using Java and JavaScript

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  • Participated in the guidance and leadership committee overseeing the company's college graduate program. Developed new training and procedures for the program, interviewing and recruiting efforts.
  • Collaborated on the entire product vision, architecture, and development of a feature involving multiple microservices, enabling customers to A/B test their email marketing campaigns. Key technologies were Backbone/Marionette, Java 8, Quartz, and MySQL.
  • Architected and developed a new company-wide front-end project structure using a generator pattern to modernize technologies, correct dependency management issues, and alleviate technical debt concerns utilizing Yeoman, Grunt, Webpack, Babel, Karma, ESLint, and numerous other front-end technologies.

R.I.T. Information Technology & Services August 2015 - July 2016

Web Application Developer August 2015 - July 2016

Develop and maintain internal tools to streamline workflows of an IT support organization

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  • Refactored an internal ticketing and asset tracking system, moving all backend code to a REST service in PHP and MySQL, and all frontend code into a SPA using Backbone.js. This allowed new features to be developed quicker and easier, using current web technologies and best practices.
  • Designed and developed a full-stack web application using jQuery, PHP, and MySQL to track and audit the training of IT service technicians, provide crucial reporting to upper management, and identify deficiencies in the process. This system was also rolled out to additional departments to facilitate the training of their employees.
  • Created a training program for additional developers to learn the languages and technologies behind the departments' web applications to allow future development and to reduce technical debt over time.

1stdibs.com June 2015 - August 2015

Front-end Engineer Intern June 2015 - August 2015

1stdibs.com logo
  • Developed critical front-end elements and functionality of a large feature overhaul, providing updated UI and functionality around eCommerce item management using HTML, SASS, JavaScript, Backbone.js, and Express.js.
  • Enhanced dynamic documentation of an internal frontend library to provide additional information and improved usability using React.
  • Created Python scripts to dynamically control Jenkins jobs and plugins to ensure code coverage on development branches did not drop below the code coverage on release branches.
  • Constructed specialized Node.js scripts to check for inconsistencies in data across Apache Solr nodes.