Senior AI Agent Software Engineer (Go, Python) (mfx)

Join our AI-first team wherewerebuilding a next-generation platform that runs AI agents to do real engineering work. Our systems reason use tools and act on production environments safely and at scale making complex workflows trustworthy and are seeking professionals passionate about building exceptional user experiences and eager to collaborate with an international team of experts to shape how people interact with autonomous agents in a globally leading product.

This position is for the team! You can already try the it for free test it out and join the team building it.

Possible locations: Linz Klagenfurt Vienna Graz Gdansk

We are looking for a practical rigorous software engineer who is enthusiastic about turning LLM reasoning into safe reliable and tool-using agenticbehaviorsin production environments. You should be a builder at heart who enjoys engineering robust agent frameworks and evaluation pipelines rather than focusing purely on prompt design.

Your role:

• Design build andmaintainour core Python agent layer including LLM routing tool-calling infrastructure and structured-output retry logic that ensures dependability in production.
• Design robust guardrails input and output validation and prompt-injectiondefencesto mitigate hallucinations and prevent agents from deviating from their tasks.
• Define and implement the datasets metrics and automated evaluation strategies necessary to measure and prove agent quality objectively across model updates and prompt modifications.
• Drive high-level architectural decisions for our AI systems and activelyparticipatein team code reviews unit testing and debugging efforts.

To be successful in this role you bring deep software development experience combined with a highly analytical and scientific approach to measuring AI system quality. We seek individuals who pair strongGo andPython foundations with hands-on production-proven experience in orchestrating LLM APIs and agent loops.

• Multiple yearsof professional hands-on software engineering experience with deepexpertiseinGo andPython.
• Direct experience building LLM-powered systems and agent loopsutilizingmodern orchestration frameworks (likeLangGraph) tool-calling and structured-output APIs.
• Demonstrated ability to measure evaluate and prove agentic system quality through quantitative datasets and evaluation metrics rather than qualitative impressions.
• Strong software engineering fundamentals including continuous testing production debugging and full-service ownership.
• Degree in Software Engineering or equivalent practical experience in software development.
• Highly developed analytical problem-solving and collaborative skills to work effectively within an international engineering team.

• A one-product software company creating real value for the largest enterprises and millions of end customers globally striving for a world where software works perfectly.
• Working with the latest technologies and at the forefront of innovation in tech on scale; but also in other areas like marketing design or research.
• A team that thinks outside the box welcomes unconventional ideas and pushes boundaries.
• An environment that fosters innovation enables creative collaboration and allows you to grow.
• A globally unique and tailor-made career development program recognizing your potential promoting your strengths and supporting you in achieving your career goals.
• A truly international mindset that is being shaped by the diverse personalities expertise and backgrounds of our global team.
• For this position we offer exclusive relocation support to ourR&D Headquarters in Linz ranked among the top seven most sustainable cities in the world where cutting-edge innovation intersects with an exceptional quality of life and affordable living costs! Clickthis linkto find out more.

Due to legal reasons we are obliged to list a salary range for this position which is 61000 up to 76000gross per year based on full-time employment (38.5 h/week). Weve listed the salary range for transparency but if your experience and skills bring unique value wed still love to hear from youplease apply even if youre outside the range.