Principal Software Development Engineer at F5 designing enterprise orchestration frameworks and enabling high - code agent development. Focus on scalable AI systems using Gemini, Vertex AI, and internal infrastructure.
About the role
- AI Engineer developing innovative systems for a fintech healthcare company. Join a pioneering team driving AI solutions in a collaborative environment.
Responsibilities
- 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.
- mentor engineers, conduct technical reviews, and elevate the team's capabilities through knowledge sharing and best practices.
- drive technical discovery, evaluate emerging AI technologies, and make strategic build vs. buy decisions.
- partner closely with product and business stakeholders to translate complex technical considerations into product strategy and roadmap decisions.
Requirements
- technical leadership mindset with high agency and proactive drive—obsessed with building world-class systems and enabling teams to ship exceptional user experiences.
- 8+ years building and operating backend systems in production (strong Python skills required - ideal as well: TypeScript for integration work), with 3+ years shipping LLM/GenAI features to users (RAG, tool use, planning, agent frameworks e.g MCP, multi-agent systems).
- strong ML fundamentals with hands-on experience in model evaluation, self-evolving agents (e.g Memory).
- deep expertise in distributed systems design: API architecture, data modeling, high-throughput async systems, event-driven architectures, caching strategies, and performance optimization.
- advanced retrieval engineering experience: embeddings, sophisticated chunking strategies, hybrid search algorithms, schema/metadata design, knowledge graphs, comprehensive eval frameworks, and production monitoring.
- proven track record of technical leadership: driving architecture decisions, mentoring engineers, and establishing engineering best practices.
- experience with cloud native development at scale, ideally AWS, but GCP is a strong plus, too.
- excellent communication skills in English with ability to articulate complex technical concepts to diverse audiences.
- Bonus skills:
- Experience with modern data workflow orchestration frameworks such as Dagster, Airflow, or Prefect, with emphasis on building robust, dependency-aware pipelines at scale.
- Track record of technical writing, open-source contributions, or speaking at industry events.
- Fluent German is a big plus, to improve the interaction between you and our user base.
Benefits
- 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
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