Senior Software Engineer; m​/w​/d @ FICUS Health. LilyLifestyle

Your role

As a Senior Software Engineer, you'll join a team of seasoned experts building our product. You'll be able to apply your skills across the stack, and will play an active role in discovering how to expand and develop our product further. You'll be able to shape the team and its culture, and take on responsibility from day one.

Key responsibilities:

• Discover and deliver our product in collaboration with the CTO and the product managers
• Design, develop, deploy and operate our frontend & backend applications
• Integrate & refine cutting‑edge speech‑to‑text and large language AI models
• Design and build a framework for automated prompt refinement**, including:
• feedback ingestion from doctors and internal annotation tools
• evaluation pipelines for LLM performance
• mechanisms for prompt versioning, testing and rollout
• Be involved in architectural and infrastructure decision‑making

Must haves:

• Proven track record of building successful web applications (frontend and backend)
• Senior level experience with React/Next.js
• Senior level experience of at least one Python‑based backend framework (Django Rest Framework, FastAPI, Flask)
• Solid Dev Ops and infrastructure knowledge (Terraform, k8s, Docker, AWS)
• Solid knowledge about using, integrating and deploying speech‑to‑text models and LLMS (managed service & self‑hosting)
• Solid experience with using AI tools for dev work
• Product mindset: we use technology as a means to an end, and that is building great products
• Experience with working in a highly dynamic early‑stage startup
• Pragmatic, hands‑on mentality
• Willingness to learn and experiment
• Strong communication skills in English

Nice to haves:

• Experience with LLM evals and related data analytics/science topics
• Experience with AI‑powered UI automation
• Proficiency in German

• Building a cutting‑edge that uses the latest advancements in AI
• Have real impact with your work on the workflows in healthcare
• An open and motivated team that values ideas and initiative
• Fast‑paced, dynamic environment with lots of growth and learning opportunities
• Invaluable network of AI experts on the Merantix AI Campus Berlin
• Hybrid working model
• Perks such as a membership for Urban Sports Club or the flexibility to work from anywhere in the EU for up to 3 weeks/year