Patrick Lehmann's Resume

Frontend Developer with 5+ years of expertise in React, Next.js, and TypeScript, building scalable web and mobile apps. Led projects from architecture to launch, introducing modern JS tooling and robust CI/CD workflows to enhance deployment efficiency and stability. Combines deep technical skills with strong UI/UX principles to create performant, user-focused frontends.

Experience

Frontend Developer

06.2022 - 04.2025
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  • Built and shipped production-grade web and mobile apps (e.g., ThePioneer.de, Tabletop Herald) using React ecosystems, enhancing user engagement and performance.
  • Led implementation of CI/CD pipelines with GitHub Actions and Jest testing, significantly accelerating deployment cycles and ensuring consistent product quality.
  • Owned the full lifecycle for key features, from initial architecture and technical planning to deployment and continuous iteration.
  • Established best practices in TypeScript and component-driven development, improving scalability and reducing bug frequency across multiple projects.
  • Mentored 2 junior developers through code reviews and structured onboarding, enabling rapid productivity and elevating overall code quality.
  • React
  • Next.js
  • React Native
  • TypeScript
  • GraphQL
  • CI/CD

Full-Stack Developer

05.2016 - 05.2022
Freelance
  • Delivered full-featured web and mobile applications for clients in media, education, and non-profit sectors, often working solo from scoping to deployment.
  • Modernised legacy codebases by migrating to React + GraphQL, reducing tech debt and enabling feature velocity for long-term clients.
  • Built high-availability interfaces using React Native and TypeScript, focusing on accessibility, maintainability, and performance.
  • Acted as primary technical point of contact: managed expectations, sprint priorities, and delivery timelines directly with stakeholders.
  • TypeScript
  • React
  • React Native
  • GraphQL
  • Node.js

UI/Frontend Developer

10.2019 - 05.2022
International Labour Organization (UN)
  • Designed and implemented branded UI components for global initiatives like Global Social Protection Week, ensuring alignment with UN accessibility standards.
  • Translated complex policy data into clean, engaging visuals (infographics, interactive layouts) for reports and event platforms viewed by thousands worldwide.
  • Delivered digital publications to UN's strict monthly publication schedule, reducing late deliveries by 40% year-over-year.
  • Modernised digital publications by introducing consistent design systems and web-optimised assets, improving readability and user navigation.
  • UI/UX
  • Design Systems
  • Figma
  • HTML/CSS

Graphic Designer

01.2015 - 12.2015
Efficient Signer and Print Ltd
  • Designed impactful marketing packages, including compelling print materials, brochures, banners, and signage, significantly improving brand visibility and market presence.
  • Produced insightful trend boards and conducted market analysis to identify emerging opportunities, enabling strategic business decisions and capitalizing on industry shifts.
  • Managed multiple design projects simultaneously with tight deadlines.
  • Graphic Design
  • Print
  • Digital

Education

Skills

  • React
  • Next.js
  • React Native
  • TypeScript
  • Node.js
  • GraphQL
  • Headless CMS
  • REST API
  • SQL/MySQL
  • Git
  • CI/CD
  • Jest
  • Vitest
  • Docker
  • Xcode
  • Android Studio
  • Figma
  • HTML5
  • CSS3
  • Tailwind CSS
  • Agile/Scrum