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Matt Lewis
Verified Expert in Engineering
Software Engineer and Developer
Longmont, CO, United States
Toptal member since November 14, 2023
Bio
Matt is a highly skilled infrastructure and platform engineer with 10+ years of experience in building systems that scale. He has worked across the entire technology stack and has production experience delivering full-stack applications in cloud environments. Matt empowers teams to do their best work through automation, monitoring, modernization, and high-quality code.
Portfolio
Women's Directory
Ruby on Rails (RoR), Vue, DigitalOcean, Back-end, REST APIs
Material Security
Node.js, Google Cloud Platform (GCP), Ruby on Rails (RoR), TypeScript, React...
Punch Through Design
iOS, Android, Java, Objective-C, Python, Architecture, Back-end, REST APIs
Experience
- Amazon Web Services (AWS) - 10 years
- JavaScript - 10 years
- Node.js - 10 years
- Ruby on Rails (RoR) - 9 years
- React - 9 years
- TypeScript - 7 years
- Kubernetes - 6 years
- Google Cloud Platform (GCP) - 6 years
Work Experience
Lead Software Engineer
2021 - PRESENT
Women's Directory
- Collaborated with Women's Directory, a 501(c)(3) nonprofit organization that provides access to critical resources for women in need.
- Built the core Rails application and designed the site's infrastructure and core user experience.
- Implemented features for community submissions, internal moderation, and data management.
- Designed and shipped our custom analytics back end to maximize the privacy of vulnerable users.
- Made the app code fully open-source and available on GitHub under the MIT License.
Technologies: Ruby on Rails (RoR), Vue, DigitalOcean, Back-end, REST APIs
Infrastructure Engineer
2022 - 2023
Material Security
- Built massively scalable, enterprise-grade email security software in full-stack TypeScript.
- Designed systems to protect, inspect, and quarantine millions of Google and Outlook messages per day.
- Led design, development, and maintenance of core infrastructure in Kubernetes and Google Cloud.
- Integrated with core Google Workspace and Outlook 365 systems to build scalable security apps.
- Served as IMOC during critical production outages and led mitigation and resolution processes.
- Expanded our IaC platform to increase deployment velocity and catch defects before production.
Technologies: Node.js, Google Cloud Platform (GCP), Ruby on Rails (RoR), TypeScript, React, Office 365 API, Google Workspace, Architecture, Back-end, REST APIs
Software Engineer
2013 - 2023
Punch Through Design
- Designed, managed, developed, and launched native mobile apps for the LightBlue Bean.
- Deployed and managed Bean community forums, resulting in 1,500 user sign-ups and an average of 50 posts per week.
- Wrote, deployed, and maintained Bean Cloud Compiler, a scalable cloud service capable of serving 1,500 simultaneous users during hackathons and community events.
- Implemented test-driven development, continuous integration, and documentation practices across the company.
Technologies: iOS, Android, Java, Objective-C, Python, Architecture, Back-end, REST APIs
Site Reliability Engineer
2021 - 2022
Uplight
- Led the development of a unified deployment platform for internal feature development teams.
- Built automated, fully managed CI/CD workflows with Terraform, CircleCI, and Kubernetes.
- Supported teams directly in refactoring and containerizing their apps for cloud deployment.
- Architected drop-in replacements for legacy apps that didn't work well inside AWS.
- Rewrote and refactored business-critical internal data pipelines to fit modern 12-factor practices.
Technologies: Python, Amazon Web Services (AWS), Google Cloud Platform (GCP), Kubernetes, Architecture, Back-end, REST APIs
DevOps Engineer
2018 - 2019
T-Mobile
- Migrated Node.js microservices from legacy Amazon EC2 AMIs into Kubernetes.
- Managed zero-downtime migrations from Amazon Route 53 routing to Kubernetes internal service discovery.
- Designed CI/CD pipelines to facilitate automated image updates and reliable deployments.
- Created automated validations and smoke tests to ensure deployed Kubernetes resources were always valid.
- Implemented Istio service mesh in Kubernetes to provide circuit breaking and prevent cascading outages.
- Performed load testing to validate the behavior of microservices and system resource constraints.
Technologies: JavaScript, TypeScript, Node.js, React, Kubernetes, Amazon Web Services (AWS), Architecture, Back-end, GraphQL, REST APIs
Software Engineer
2017 - 2018
Gusto
- Led projects to empower operations teams by building workflow management tools.
- Reduced automated build flakes by 70% through collaboration with the infrastructure team.
- Diagnosed the root cause of data integrity issues and implemented systemic fixes.
- Ran postmortems to capture the impact of system outages and deliver actionable resolutions.
Technologies: Ruby on Rails (RoR), Amazon Web Services (AWS), Back-end, GraphQL, REST APIs
Project History
T-Vision Streaming Video Back End
https://www.t-mobile.com/tv-streamingAn over-the-top streaming video TV platform for consumers. T-Vision provided a high-quality live TV experience for T-Mobile customers at a competitive price with wired cable. I worked to modernize legacy code, move it into Kubernetes running on the company's server fleet, and deliver streaming video applications to production.
Message Audit Platform
http://material.securityAn internal app for Material Security's enterprise email security platform. Material secures millions of emails daily for customers like Fox Broadcasting and Major League Baseball. This app exposes core audit information about email messages to engineers and customer points of contact so they can diagnose delivery and security issues directly on behalf of customers.
Women's Directory
http://womensdirectory.orgA Rails application for Women's Directory, a 501(c)(3) nonprofit organization that provides access to critical resources for women in need. As the lead software engineer, I designed the infrastructure, testing, CI/CD, and alerting and wrote the application's core. The Rails app powers the user-facing website as well as the internal admin interface and our privacy-oriented analytics system.
Skills
Libraries/APIs
Node.js, REST APIs, React, Vue, Office 365 API, Gmail API
Tools
Google Workspace
Languages
TypeScript, Ruby, JavaScript, Java, Objective-C, GraphQL, C#, Kotlin, Python
Frameworks
Ruby on Rails (RoR)
Platforms
Visual Studio Code (VS Code), DigitalOcean, Google Cloud Platform (GCP), Amazon Web Services (AWS), Kubernetes, iOS, Android
Other
Architecture, Back-end, Outlook, Outlook Add-ons
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