Principal AI Engineer

Job description

**Own the AI revolution.** We're building an all-in-one AI platform to help teams do their best work and automate every routine task you can think of. We're looking for someone who operates at the highest technical level - equally at home prototyping a new idea on Monday and shaping our AI roadmap on Friday. If you want to do serious work and have real influence over where it goes, this is the role. **Main Responsibilities** - Shape the AI/ML technical direction - contribute to research strategy, validate POCs hands-on, and bring the architectural perspective that influences how we build - Be the GenAI authority - stay ahead of the field, decide what's signal versus noise, and bring the team with you - Lead hands-on exploration of new concepts, frameworks, and tooling - context management, memory, retrieval, agentic loop, A2A and beyond - from experimentation all the way to production - Be a core part of product development - from discovery with PMs to delivery within cross-functional teams, operating as both a doer and a thought leader in the same sprint - Own the LLM evaluation framework (proprietary and OSS) - set the criteria, run the assessments, make the call on performance, cost, and reliability - Act as AI evangelist internally and externally - at this level, spreading serious AI thinking is part of the job, not a bonus **Core Requirements** - Proven track record of driving AI/ML initiatives end-to-end in production - you've owned the outcome, not just the ticket - Expert ability to design, execute, and scale production-grade AI systems - and the hands-on instinct to still get in and build - Deep command of AI developer frameworks and tooling - with the judgment to make the right call, not just the popular one - Expert understanding of large language models, embeddings, multimodality, and AI architectures - including where they break - Advanced expertise in context engineering and deployed evaluations - you raise the bar for how the team thinks about this - Strong ownership and accountability - you can plan your own work, influence the team's direction, and still ship - A builder's instinct: moves fast when it matters, rigorous when it counts - Solid software engineering fundamentals, microservice architectures, and experience taking POCs through to production **Bonus Points For** - Architect-level experience designing and shipping complex Agentic systems at scale - Deep expertise in data science methodologies, ML algorithms, and NLP - the fundamentals, not just the wrappers - Experience in backend engineering, API design, scalable systems, and Kubernetes - Track record of owning features end-to-end and working fluidly across engineering, product, sales, and marketing **Salary Ranges** - Gross salary from 6600 EUR/Month (final compensation depends on exact experience) **What We Offer** - **Professional growth**. Internal and external events, online training, conferences, books - everything you need to reach your full potential. - **Health benefits**. Private health insurance, online & on-site workouts (LT) / online workouts & sports access card (PL), consultations - to feel and be your best. - **Team spirit**. Team buildings and parties with games, shows, tastings, food coupons, gifts - and it's on us. - **More free time**. Stay with us and additional vacation days will be added to your calendar. - **Additional paid leave**. Additional days are covered by us in cases of illness or special occasions. - **Flexibility**. Flexible working time arrangement.