Senior Full Stack Developer – AI Product (m/f/d) | Remote from Croatia
Cito Transport Technologies · Berlin
What this role requires
3 requirements, read out of the advert rather than guessed from the job title:
Also mentioned, not required: OpenAI, Claude, English. Worth having, but their absence is not what gets a CV filtered out.
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Job description
Deine Rolle: Want to do more than just write code? At Cito, we're building CERA AI – an AI agent that automates real logistics processes: from processing incoming emails and negotiating prices to transferring transport orders. Real processes. Real customers. Real impact.
Deine Mission bei uns: Take ownership of key parts of our AI and software architecture
Design and develop scalable AI agent systems, including multi-step reasoning, decision pipelines and tool use
Build and improve our LLM-based systems, including prompting, tooling, memory and orchestration
Ensure reliability and quality of AI outputs through evaluation, monitoring and guardrails
Build observability and evaluation frameworks, including regression testing for AI systems
Read the full description (16 more sections)Show less
Work closely with Product and Business to turn real operational problems into scalable technical solutions
Make technical decisions with long-term impact on architecture, stack and scalability
Ship solutions that are actually used by customers
Damit passt du zu uns: 6–8+ years of experience in software engineering
Ideally, hands-on experience building AI/LLM-based products or systems
Strong Python skills, ideally with Django or a comparable framework
Experience working with LLM APIs such as OpenAI, Claude or similar
Understanding of AI system design beyond simply integrating an API
Experience with evaluation methods, monitoring and observability
Ability to think in systems rather than individual features
Strong understanding of the trade-offs between speed, reliability and quality
High level of ownership and ability to work independently
A pragmatic mindset: you like building, shipping and improving real products
Professional working proficiency in English
Darauf kannst du dich freuen: Work 100% remotely from Croatia Stay in Croatia – no relocation to Germany required. Join a German tech company Become part of an international team building technology for the European logistics market. Build a real AI product This isn't an AI side project or prototype. You'll work on an AI system that automates real business processes for real customers. High technical ownership We don't want someone who simply works through a backlog. You'll have room to shape architecture, technology and the future of the product. Impact over bureaucracy We're a fast-moving team where technical decisions don't disappear behind multiple layers of approval. Long-term collaboration We're looking for someone who wants to become an integral part of our team – not a short-term outsourcing resource.
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