Patrick Lehmann

Frontend Engineer | React, Next.js, TypeScript | Scalable Web & Mobile Apps

Berlin, Berlin, Germany

About

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

  • React Native Frontend Developer at Digital Purchase Order
    Aug 2025 - Present · 11 mos

  • Full Stack Developer at code-b agile websolutions GmbH
    Jun 2022 - Apr 2025 · 2 yrs 11 mos

    • Delivered multiple production-ready web and mobile apps using React ecosystems, including ThePioneer.de (news platform) and Tabletop Herald (tabletop gaming platform). • Set up GitLab-Jenkins CI/CD integration using webhooks, cutting deployment time 15% and boosting release confidence. • Owned full product lifecycle on key features: from technical planning and implementation to deployment and post-launch iteration. • Introduced TypeScript best practices and reusable component patterns that enhanced scalability and reduced bugs across projects. • Mentored 2 junior developers through code reviews and onboarding, leading to faster ramp-up and improved team-wide code quality.

  • UI/Frontend Developer at International Labour Organization
    Oct 2019 - Mar 2025 · 5 yrs 6 mos

    • Designed cohesive visual identities for global reports and event publications, enhancing brand consistency and user engagement. • Developed UI designs for high-profile initiatives like the Global Social Protection Week and the Global Flagship Programme. • Translated complex policy data into clean, engaging visuals (infographics, interactive layouts) for reports and event platforms viewed by thousands worldwide. • Collaborated cross-functionally across multiple time zones, delivering projects on tight UN publication deadlines. • Modernised digital publications by introducing consistent design systems and web-optimised assets, improving readability and user navigation.

  • Full-stack Developer at ptrcklehmann
    May 2018 - Mar 2025 · 6 yrs 11 mos

    • 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.

  • Graphic Designer at EFFICIENT SIGNS AND PRINT LTD
    Feb 2015 - May 2015 · 4 mos

    • Created marketing materials (brochures, signage) that increased client inquiries by 60% within 3 months of deployment. • Produced insightful trend boards and conducted market analysis to identify emerging opportunities, enabling strategic business decisions and capitalising on industry shifts. • Managed multiple design projects simultaneously with tight deadlines.