# Lindsay Criswell > Senior Software Engineer at GitHub Location: United States, United States Profile: https://flows.cv/lindsaycriswell I’m a full-stack software engineer with expertise in Ruby on Rails and JavaScript/React who excels at building consensus and collaboratively solving technical challenges. I love developing innovative web experiences that allow users to engage with their passions, and I’m tenacious about ensuring the underlying systems are reliable, scalable, and observable. As a career-changer and an empath, I’m dedicated to fostering an inclusive, collaborative environment where people from all backgrounds and experience levels can thrive. Technical skills include: Languages: Ruby, JavaScript, Go, some Python Frameworks: Rails, React, Redux, some TypeScript Platforms: AWS, GCP DevOps: Terraform, Docker, Fastly Monitoring: DataDog, Sentry, New Relic ## Work Experience ### Senior Software Engineer @ GitHub Jan 2022 – Present ### Senior Software Engineer, NYT Cooking @ The New York Times Jan 2018 – Jan 2022 • Technical lead on a year-long project to revamp and allow experimentation on Cooking’s paywall systems, implementing multiple A/B tests on paywall logic with variations on a free trial access period, metered page view count rules, and rotating allowlisted content. Defined and scoped all tasks and requirements with a team of 3 other engineers. Collaborated with cross-functional partners in product, data analytics, design, and QA. The winning experiment variants led to a 16% increase in subscription rates. • Rebuilt Cooking’s paywall and registration wall systems as part of a frontend replatforming effort, targeting specific refactorings and approaches to ensure new code would be service-driven and portable to any frontend consumer. Identified dramatic improvements and simplifications to API user identification logic, reducing the response time by 60% and size of data returned by 90% on average for one of Cooking’s most frequently called endpoints. • Architected deployment processes for on-demand code preview environments, using Terraform and Docker for containerized ECS deployments. This invaluable developer tool streamlined code review and QA processes for Cooking's ongoing re-platforming projects. • Managing daily deployments and ensuring overall site stability during week-long on-call rotations. Effectively and calmly triaging several P1 issues, ranging from race conditions in CMS logic, to unanticipated dependency upgrades, to expanded Fastly IP listings missing from load balancer security groups. Onboarded new team members to on-call processes. • Member of a committee that revamped engineering career ladder requirements, working to improve clarity, fairness, and equity to engineering promotion criteria across all levels of the career ladder. • Force multiplier and mentor to more junior engineers, helping grow skills through pairing sessions and deeply descriptive code reviews. ### Full Stack Web Developer @ Flatiron School Jan 2017 – Jan 2018 An intensive training program designed to equip New Yorkers with the skills necessary to launch careers in web development. This program includes three months of intensive, full-time on-campus training, including classes/lectures, individual, pair and group programming projects, code challenges, presentations, and more. • Studied a variety of web development languages, frameworks, and libraries in-depth, including JavaScript, React, Redux, Ruby, Rails, Rack, Sinatra, SQL, ActiveRecord, Git, HTML, CSS, and Semantic UI. • Collaborated on teams to develop a variety of web-based applications including: Kitchen Sync A cooking time management app with timed recipe instructions to complete multiple dishes simultaneously. • Developed front end utilizing JavaScript, React, and Semantic UI. • Employed Redux to streamline state management for efficient access to data. • Created algorithms to operate on JavaScript’s Date object to ensure chronological display of timed recipe directions. • Scraped Yummly cooking website to develop a custom recipe API to seed the database. Learn.Love.Travel A travel app for exploring new destinations and reviewing places that you visited, inspired by TripAdvisor. • Utilized JavaScript, React, and Semantic UI to design the front end. • Integrated React Router to dictate URL functionality, enabling a user to return to viewed pages easily. • Seeded database with Google Maps and Yelp APIs for comprehensive information on selected destinations. • Employed user authentication and tokens for security and to ensure a user stays logged in upon page refresh. Booze Houndz A Yelp-style business review app to find liquor stores in NYC. • Built full stack functionality using Ruby on Rails and the MVC pattern. • Designed database schema and configured ActiveRecord associations. • Utilized data from the Yelp API to build a back end database of liquor stores and locations. • Wrote Rspec tests to monitor app behavior and ensure correct functionality. ### Assistant Development Director @ Harlem Academy Jan 2017 – Jan 2017 | Greater New York City Area • Developed and executed donor communications strategy, including website maintenance (HTML), social media presence, and eblasts. • Produced three 28-page marketing magazines per year from scratch; conceptualized and wrote stories and directed design/photography. • Oversaw all communications and marketing elements for an annual gala that raised over $1 million in one night. ### Assistant Director of Annual Giving @ Horace Mann School Jan 2014 – Jan 2017 | Bronx, NY • Co-managed the school’s $6 million+ annual giving campaign, increasing alumni giving by nearly 2% (over 100 donations). • Piloted GivingTuesday program that raised over $250,000 in one day from 177 donors (11% increase in amount; 23% increase in supporters). • Recruited and trained 200 alumni volunteers, providing them with engagement tools to effectively solicit their classmates. • Maintained and promoted alumni networking mobile app, driving hundreds of new users. ## Education ### Full Stack Web Development Immersive Program Flatiron School Jan 2017 – Jan 2018 ### Bachelor of Arts (B.A.) in Urban Studies & Planning; English Literature UC San Diego ## Contact & Social - LinkedIn: https://linkedin.com/in/lindsay-criswell - GitHub: https://github.com/lindsaycriswell --- Source: https://flows.cv/lindsaycriswell JSON Resume: https://flows.cv/lindsaycriswell/resume.json Last updated: 2026-03-22