Name: Fullstack Tech Lead · TypeScript · AI Engineer
Price: 130 EUR
Availability: InStock

Languages

German
Native or bilingual
English
Fluent

Workplace preferences

Can work on-site

Hamburg (up to 50km)

Staffomatic
Frontend Team Lead
March 2025 - March 2026 (1 year)
Designed and implemented a coexistence migration strategy for a 13-year-old Ember platform: Ember and React running side-by-side in the same app, enabling iterative migration without a parallel rewrite. Presented the approach at the Hamburg React Meetup.
Optimized development processes and developer environments across the frontend team.
Maintained a Python / FastAPI schedule solver service using Google OR-Tools (CP-SAT) for constraint-based shift planning.
Built a full-stack AI-powered Excel import that parses heterogeneous shift-plan formats and creates the corresponding entities in Staffomatic. Central onboarding step, materially improved conversion (Ember / React + Ruby).
sum.cumo Sapiens GmbH
Software Developer
July 2020 - February 2022 (1 year and 7 months)
Co-built a no-code / low-code platform for insurance products (visual pricing editor with rule logic, drag-and-drop form builder, theme designer, customer + agent portals, document generation, external API integrations). Used by up to 6 insurers in production.
The platform let insurers launch fully functional insurance products in weeks instead of half a year, with no engineering involvement on their side.
As one of two R&D Tech Leads: architecture direction, cross-team alignment, technical sparring partner across teams. Decisions in our team directly affected the implementation teams building on top of our work.

Built and maintained the monorepo CI/CD pipeline used by 30+ developers across the company.
Modernized the Rails backend with TypeScript; deployment, setup, and maintenance of Kubernetes infrastructure.
Mentored junior developers; developed an installation wizard for deploying the insurance system on customer infrastructure.
Lokalportal GmbH
Frontend Developer
May 2018 - July 2020 (2 years and 2 months)
Supported the migration from Angular to React
Rebuilt the entire platform for white-labeling
Maintained Webpack, Gitlab-CI, Storybook and Cypress-Test-Setup