**Remote 20 hours/week 30 weeks (extension possible)
For an innovative GreenTech company operating in the pharmaceutical space we are looking for an experienced Senior Frontend Architect (m/f/d).
In this role you will take architectural ownership of a complex web application that is used in production as a scientific work tool within an international pharmaceutical company.
This is not a classic web frontend - its a data-intensive utility tool with high daily usage.
You will shape the Frontend architecture of a greenfield product that:
Enables visual process modeling (molecules & reactions)
Integrates CO₂ cost and logistics simulations
Processes large complex data tables with high performance
Supports multi-step scientific workflows
Your architecture will directly determine performance scalability and UX quality.
End-to-end responsibility for the Frontend Architecture
Build a scalable state management strategy
Implement local-first approaches for maximum responsiveness
Ensure performance with large datasets
Collaborate closely with Backend to define UX-optimized APIs
Evolve the initial agency codebase into a sustainable long-term architecture
Architectural ownership in a greenfield project
Enterprise deployment from day one
Remote setup in a small fast-moving team
20 hours/week flexible
Duration 30 weeks with extension option
Attractive compensation
Several years of experience building complex React/ applications (production level)
Deep understanding of state management (Redux Zustand or similar)
Experience with interactive graph/canvas interfaces (e.g. React Flow SVG Canvas API )
Strong ability to work with large datasets and high-performance table solutions
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