dmserrano

Resume

Senior Full Stack Engineer · Denver, CO
[email protected] · LinkedIn · GitHub

Summary

Full Stack Engineer, 9+ years shipping production software end-to-end — React and TypeScript through Node.js, Elixir, and Python services to cloud deployment. Depth in design systems, component libraries, and the CI/CD and testing infrastructure behind them. Recently focused on AI-native development: production MCP servers, agent workflows, and the verification and cost controls that make them safe to run unattended.

Experience

FortyAU

Senior Full Stack Engineer — Jan 2026 – July 2026
Full Stack Engineer — July 2022 – Dec 2025
React, Svelte.js, TypeScript, Node.js, Elixir, Python, SQL, GitHub Actions, AWS, Azure

  • Led front end development of a complex, high-visibility feature for a large enterprise client, coordinating across multiple engineering teams
  • Directed integration of an internal component library into a major enterprise project, improving UI consistency and reducing duplicate development effort
  • Established testing automation across multiple projects, including local unit testing, CI/CD pipeline integration, and end-to-end test coverage
  • Maintained and shipped new features for an enterprise-scale preventative maintenance platform spanning front end and backend services
  • Modernized a legacy React application through dependency upgrades, unit test coverage, and component-level documentation
  • Integrated AI agents into feature development and test-coverage work across existing projects
  • Built custom MCP servers that automated Git commit formatting to client convention and gated dependency installs against the osv.dev vulnerability database, enforced through git hooks

Blueprint Title

Full Stack Developer — April 2021 – June 2022
Vue.js, Laravel/PHP, npm

  • Delivered fully tested features across front end and backend for internal and external title insurance management applications, maintaining high test coverage
  • Partnered with internal users and product stakeholders to translate complex title insurance requirements into technical solutions
  • Co-built and maintained an internal component library published to npm for cross-team reuse

Atiba

Full Stack Developer — May 2018 – April 2021
React, Vue.js, NativeScript, Laravel/PHP, SQL, WordPress, AWS

  • Led a front end team delivering a React application for a large enterprise client
  • Directed development of a hybrid mobile app for a local client
  • Built full stack solutions using Laravel/PHP and modern JavaScript frameworks to meet diverse client requirements

GameWisp

Front End Developer — May 2017 – May 2018
Vue.js, Mocha/Chai, ES2015/ES6

  • Drove team-wide adoption of Vue.js and modern JavaScript tooling and best practices, establishing front end standards that improved code consistency and developer velocity

Projects

safe-migrate

Characterization-test generator for dependency migrations · TypeScript, Docker/testcontainers, Stryker

  • Gates each AI-generated test through AST checks, execution in the target’s pinned container, a flake check, and mutation testing before accepting it; logs rejections and cost per accepted test