Work

I thrive in roles where product thinking, frontend engineering, and design systems overlap — turning ambiguity into clear, maintainable solutions.

Legit

Co-Founder & Product Engineer, 2025 - today

At Legit we built an SDK that brings Git-style versioning to AI agent workflows, enabling traceable changes, rollback, and safe automation over real user data.

  • Owned frontend architecture and product direction. Developed the React Wrapper and additional integration libraries (open source) and collaborated closely with early users to simplify adoption and refine the API surface.

Decipad

Product Engineer, 2024 - 2025

At Decipad I worked on a document editor that brings together data and storytelling, to change the worlds relationship with numbers.

  • I built AI-driven agent flows that turn natural language into SQL queries and data visualizations, helping non-technical users work with data confidently.
  • This involved extending the frontend architecture and design system to support complex, data-first interactions.

Opral

Design Engineer, 2023 - 2024

  • I joined Opral as a Design Engineer and contributed to scaling the Fink app from a rough concept to the first 1,000 users.
  • In 2024 I focused on communicating inlang as the goto solution for localization tooling, driving 10,000+ monthly traffic. I also worked on improving its UX, performance and SEO.
  • Later that year, I started on ecosystem components for inlang apps.

Interaktionswerk

Interaction Designer, 2021 — 2023

At Interaktionswerk, a digital design agency, I worked with various global clients, delivering pixel-perfect, high-quality designs. My role involved understanding user needs and proposing solutions that seamlessly integrated into existing design and component systems within the companies.

Fraunhofer

Prototyping Engineer, 2019 — 2021

In 2019, I joined Fraunhofer Institute to develop a laboratory operating system aimed at the biology sector. My work focused on digitalizing and automating laboratory processes.

Mercedes

Prototyping Engineer, 2016 — 2019

During my time at Mercedes, I worked across locations in California, Sunnyvale, and Sindelfingen, Germany, supporting the UX and Advanced Engineering teams. I contributed to the development of User Experience (UX) concepts and in-car prototypes, driving innovation in the automotive industry.

2024 © Nils Jacobsen