Charles Unger-Peters

Senior software engineer with 6+ years building TypeScript/React applications and API integrations end‑to‑end. I design secure, data‑driven systems, build tools and automation, and ship usable UI/UX in fast‑paced startup environments. Recent work includes HIPAA‑sensitive partner integrations, API and data pipeline development, and shaping processes to accelerate product delivery. Comfortable across frontend and backend, with strengths in TypeScript/React, Postgres, and Python, and experience on AWS/GCP.

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Work Experience

Senior Software Engineer @ Recovery.com
Jul 2023 - Jun 2025
  • Built secure partner integrations and automation to connect provider and insurance platforms using Next.js, Apollo (GraphQL), and Postgres; improved treatment‑seeker flows and data reliability in a HIPAA‑sensitive context.
  • Designed and shipped API endpoints and React features that drove a 400% increase in center profiles; improved site performance/SEO (Gatsby) for discovery.
  • Introduced LLM‑assisted tooling to the research workflow, increasing research velocity by 800% and unblocking content operations.
  • Led a transition from Scrum to Shape Up, creating clearer product bets and accelerating feature delivery by 35%.
  • Collaborated cross‑functionally to synthesize user feedback into iterative releases.
Software Engineer @ FactoryFix
Feb 2022 - Jun 2023
  • Built an SMS/messaging platform (Vue) that increased messaging by 27% and feature usage by 33% to streamline recruiter ↔ applicant communication.
  • Developed SaaS‑oriented microservices with NestJS on GCP to aggregate job data and expand recruiter reach, supporting data pipelines and partner surfaces.
  • Designed and maintained REST/GraphQL endpoints consumed by internal applications and partners.
  • Collaborated with UX on feature delivery; contributed to Python model training for ATS candidate ranking, resulting in an 80% lift in employer satisfaction with ratings.
Senior QA Analyst / Tools Developer @ AutoServe1
Jul 2019 - Feb 2022
  • Led manual and automated test planning, with performance and load testing that reduced major bugs by 75%.
  • Managed security audits, endpoint security, and incident response, improving security posture and reliability.
  • Built internal tooling and integrated LLM‑assisted test generation to expand end‑to‑end coverage to ~95%.

Skills

Languages

  • TypeScript
  • JavaScript
  • Python
  • PHP
  • SQL
  • CSS
  • Node.js

Frameworks

  • React
  • Next.js
  • Vue
  • NestJS
  • Gatsby
  • Express

APIs & Data

  • REST
  • GraphQL
  • Websockets
  • analytics pipelines
  • Postgres
  • MongoDB
  • Firestore

Ops

  • AWS
  • GCP
  • Netlify
  • Vercel
  • CI/CD
  • Git
  • Docker
  • Kubernetes

Testing & LLMs

  • Jest
  • Playwright
  • Cypress
  • Anthropic
  • OpenAI
  • Cursor

Education

Concordia University
Bachelor of Arts — Sep 2002 – Oct 2007
Political Science & International Relations
Charles Unger-Peters