Senior Full Stack Developer – Frontend Focus

Senior Full Stack Developer – Frontend Focus (UX/UI)
Build the Future of Spatial Biology Analysis

Katana Labs | Dresden, Germany (Hybrid) | Full-time

About Katana Labs
Katana Labs is a German TechBio startup, founded in 2023. We're building the AI-powered platform that's transforming how researchers analyze spatial biology data. Our cloud platform, Katana Edge, is already used by leading biotech and life science organizations to turn complex microscopy images into actionable insights – accelerating cancer research and drug discovery.
Katana Edge is redefining how scientists decode tissue biology in life sciences, biopharma R&D and precision medicine. By combining cloud-native infrastructure with powerful AI, Katana Edge turns terabytes of complex imaging and molecular data into intuitive, actionable insights – all within the browser. This enables R&D teams to uncover spatial biomarkers, understand tumor-immune interactions, and accelerate the development of precision therapies.
As a small, deeply experienced, and fast-paced team, we're at the intersection of cutting-edge AI, spatial data science, and cancer biology. Now, we are looking for a highly skilled and motivated senior full-stack engineer to join our company and advance Katana Edge for global scalability.

The Role
We're looking for a dedicated web developer – a mid to senior-level engineer with 5+ years of experience who loves crafting captivating, performant frontends but can work across the full stack when needed.
You'll be instrumental in shaping our web platform to build features that researchers rely on daily. This isn't just another CRUD app – you'll tackle genuinely interesting technical challenges at the intersection of web technology and computational biology.

What you'll work on:
Visualizing massive images: Render and enable fluid interaction with gigapixel microscopy images in the browser
Making complexity intuitive: Design and build UX flows that make sophisticated spatial analysis workflows feel natural to scientists
Integrating AI: Provide seamless user experience for our AI-powered analysis pipelines
Building for scale: Optimize performance for handling large spatial datasets in real-time
Owning features end-to-end: Take ideas from concept through implementation, working across our TypeScript-based frontend and Python/FastAPI backend

What you'll work with:
Frontend: TypeScript, , OpenSeadragon, DeckGL, , WebGL, D3
Backend: Python, FastAPI
Cloud: GCP, AWS

What We're Looking For
You have:
5+ years of professional software development experience
Strong expertise in modern web development (using React, or similar) with TypeScript
Experience building performant, responsive web applications
Comfortable working across the full stack (Python/FastAPI backend)
A track record of shipping production code that users love
The self-starter mindset to thrive in a fast-paced startup environment
Fluency in English (German is a plus)

Bonus points for:
Experience with biomedical imaging or geospatial applications
Affinity for machine learning or computational biology
Familiarity in cloud platforms (GCP, AWS, Azure)
Expertise in securing web applications
Previous startup experience
Open source contributions or side projects we can check out

Why Join Katana Labs?
Real impact: Your work directly enables researchers fighting cancer and discovering new precision treatments
Technical challenges: Solve genuinely hard problems in web-based scientific computing
Growth trajectory: Clear path to leading our web development team as we scale
Cutting-edge technology: Work with the latest in AI, computational biology, spatial data analysis, and cloud platforms
Competitive package: Strong compensation, flexible working hours, and opportunity for growth
Small team, big influence: Shape our technical direction and product from an early stage
Dresden location: Hybrid work with regular office collaboration in one of Germany's most livable cities and tech hubs

How to Apply
Please send your CV and a short motivational statement via email to: -

The motivational statement about your decision to join us should include:
Why you're excited about this role
A project you're particularly proud of and why
What you hope to learn or build at Katana Labs.

We're looking to fill this position as soon as possible.
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