Staff AI Engineer

Das ist der Job

Drive technical discovery, evaluate emerging AI technologies, and make strategic build‑vs‑buy decisions.

Darum lohnt es sich

We’re on the lookout for an ambitious Staff AI Engineer to join our Engineering team at our office in Berlin. Mentor engineers, conduct technical reviews, and elevate the team's capabilities through knowledge sharing and best practices.

What you will bring A technical leader (typically 8+ years of experience) with a track record of multi‑team or org‑level impact. Experienced in enterprise‑scale systems and multi‑team architecture leadership.

Join us in building AI products for medical practices – tackling manual processes, bureaucracy, & administrative overload so doctors and staff can focus on patient care instead of paperwork. As a Staff AI Engineer, you will play a critical role in shaping Nelly’s engineering strategy and architecture for our AI products.

About Nelly We build technology to streamline medical practice operations, automating processes from patient journeys to billing. Joining us, you will Embrace a fast-paced, agile environment where outcome and quick progress is achieved through experimentation and rapid iteration.

Architect and lead the development of backend-first agentic services combining LLM services with tool use/retrieval, ReAct and Knowledge Graphs - defining technical strategy, standards, and best practices across the AI division.

Design and evolve our retrieval & knowledge infrastructure (embeddings, vector stores, metadata schemas, glossary, memories) ensuring accuracy, performance, and scalability across diverse use cases.

Define and champion production excellence: establishing standards for tracing, observability, reliability patterns, prompt/version control, experimentation frameworks, and deployment strategies. Partner closely with product and business stakeholders to translate complex technical considerations into product strategy and roadmap decisions.

An impact focused mindset. Technical leadership mindset with high agency who can provide strategic vision and dive deep into the technical details. Experience designing, building, scaling, and maintaining backend systems in production. Experience exploring, evaluating, and experimenting on AI/ML based products in production.

Experience with the challenge of building GenAI based products, such as creating guardrails and online evaluation to create a reliable, secure, and safe system. Strong AI/ML fundamentals with hands‑on experience in model evaluation, A/B testing, and monitoring stochastic systems.

Excellent communication skills in English with ability to articulate complex technical concepts to diverse audiences. What we offer Move your way: BVG ticket or a Swapfiets membership to cruise through the city. Stay active: Urban Sports membership to sweat, stretch, or sauna your way through the week.

Gear up: Top‑of‑the‑line equipment that actually makes work feel smooth. Work your style: Flexible hours and a hybrid setup in the heart of Berlin‑Mitte. Change of scenery? Enjoy up to 4 weeks of workation wherever inspiration hits. Grow fast: A dynamic environment, a steep learning curve, and endless opportunities to level up.

Join the ride: Be part of an AI‑powered fintech that’s shaking up the German healthcare market. Own it: Real responsibility, independent work, and plenty of freedom to make an impact. Office vibes: A cozy, dog‑friendly office where good vibes are basically mandatory. Snack heaven: A fridge full of cold drinks and snacks waiting to be claimed.

We celebrate diversity and welcome individuals of all genders (m/f/d) to apply – and because we know confidence gaps and impostor syndrome can get in the way, please don’t hesitate even if you don’t meet every single criterion; if you’re exceptional, tell us why, and we’d genuinely love to hear from you. #J-18808-Ljbffr