Daniel Pepin

Software Engineer — Node.js & React Ecosystem Specialist

Experience

Dispel — Software Engineer II Nov 2025 - Present
Hybrid

Spearheaded the engineering mission to achieve FedRAMP High certification for the flagship Dispel Zero Trust Engine. Acted as a cross-functional lead bridging rigorous regulatory environments and high-performance developer operations.

  • Modernized CI/CD pipelines and CMP using GitHub Actions to orchestrate Federal compliance processes. Designed and implemented mission critical features for FedRAMP High controls (IA-8, IA-11).
  • Achieved comprehensive fluency in FedRAMP High protocols, completing mandatory training and implementing formal compliance procedures.
  • Championed strategic adoption of LLMs, authoring custom skills, prompts, and MCP servers. SME for the Node stack across React, Express, Webpack, Yarn, and pnpm.
  • Led the development and execution of full features in conjunction with product team members and designers.
American Express — Software Engineer III Oct 2021 - Oct 2024
Hybrid

Spearheaded development and maintenance of Amex's flagship Open-Source Micro-Frontend framework One-App, utilizing React, Docker, and Node.js.

  • Redesigned CI pipelines in GitHub Actions with TypeScript, decreasing release time by ~40% (from ~20 to ~12 minutes).
  • Developed supporting libraries and developer tools: end-to-end testing frameworks (Jest, react-testing-library, Selenium), CSP tools, code generators, codemods, and bundlers.
  • Authored extensive documentation for the front-end framework and associated tools.
Mthree — Alumni Trainee Sep 2021 - Mar 2022
New York, NY

Full-stack JavaScript development through comprehensive training. Developed and deployed web applications utilizing the MERN stack with GraphQL and test-driven development principles.

Education

BS Computer Science & Information Security
CUNY - John Jay College // New York, NY
CUNY Tech Prep 2019 - 2021
New York, NY

Selected for full-stack JavaScript training program as one of 125 students from the entire CUNY system. Covered React, Node, Express, GraphQL, MVC, TDD, and CI/CD.

Certifications

Front End Application Development — The Software Guild

AWS Certified AI Practitioner — Amazon Web Services

Skills

AI Technologies

Claude Code, LM Studio, Amazon Bedrock, Amazon Sagemaker, Copilot, Codex

Languages

Rust, Java, TypeScript, JavaScript, Python, Go

Frontend

HTML, CSS, SCSS, React, Tailwind, MaterialUI, AstroJs, SolidJs, Remix, NextJs, Webpack, Esbuild, One App, Jest, React Testing Library, Vite, Shadcn

Backend

Vert.x, SpringBoot, Docker, OpenAPI, GraphQL, gRPC, RPC, REST, AuthN, AuthZ, WebSockets, Kotlin, AWS, AWS Lambda, Git, GitHub Actions, Artifactory, JFrog, Grafana, PostgreSQL, SQL, Prisma, ExpressJs, FastifyJs