(Senior) AI Engineer

that operate at scale in production environments. * Design, develop, and maintain production-grade AI systems. * Develop APIs and microservices to serve LLM models. * Support infrastructure for experimentation and model monitoring. * Collaborate with business stakeholders, product managers, and other engineering teams to translate commercial strategies into scalable solutions. * Implement robust monitoring and alerting systems to ensure AI solutions which are robust and cost effective. * Working closely with product teams to embed AI solutions into workflows. What we are looking for … * 6+ years of total experience in software development, including 2+ years in AI engineering, ML engineering, data science, or backend roles involving AI systems. * Strong Python experience, especially with modern tooling (FastAPI, PydanticAI). * Solid understanding of LLMs, embeddings, prompt engineering, and GenAI design patterns. * Experience with LLM frameworks: PydanticAI

LangChain, LangGraph, DSPy or similar. * Familiarity with agentic AI: tool calling, planning, long-running workflows, memory/state handling. * Familiarity with LLMOps: LangFuse or similar, monitoring, evaluation, cost optimization, prompt versioning. * Experience deploying AI systems in AWS, Kubernetes/EKS, or similar cloud environments. * Strong problem-solving mindset with emphasis on reliability, scalability, and rapid iteration. * Ability to collaborate effectively across engineering, product, and operational teams. Nice to have * Experience with vision-language models or multimodal LLMs. * Hands-on experience with OCR technologies and pipeline development for document understanding. * Experience with vector databases, embeddings, and RAG systems. * Experience with real-time or large-scale ETL pipelines relevant to AI workloads. * Experience applying AI to pricing, automation, or operational optimization at scale. Why choose sennder… We believe in

(Senior) AI Engineer sennder Barcelona * Software Engineering * Remote * Full-time sennder is Europe's Leading Digital Freight Forwarder. In a traditional industry, we're moving fast and focusing on the digitalization and automation of road logistics. By leveraging our proprietary technology, we're building an ecosystem that is leading the industry into the 21st century. We are a growing team looking for an (Senior) AI Engineer in the sennAI department to help us on our journey to revolutionize road freight logistics. The role is located in our Berlin and Barcelona offices. What you will do … We are seeking an AI Engineer to join the AI department at sennder. As an AI Engineer you will be responsible for designing, developing, and deploying cutting-edge LLM solutions that drive revenue growth and competitive advantage. You will collaborate with cross-functional teams, engage in experimentation frameworks, and work with rich datasets to create highly effective AI-driven applications, empowering our people to grow beyond their limits, embrace challenges, and create solutions that drive our collective success. Our culture thrives on entrepreneurial spirit, resilience, and collaboration. Dynamic scale-up sennder is at a pivotal stage - transitioning from a scale-up to a sustainably growing company. This means we move fast and constantly push ourselves to improve. Joining us means being part of an ambitious, international team of talented individuals who value teamwork as much as bold thinking. Face-to-face connections across our offices remain central - it's not uncommon to travel to our offices across Europe to collaborate as we tackle challenges and celebrate wins, together. Put your stamp on the industry We operate in a complex and ever-changing industry where your ideas and efforts have tangible, transformative impact. This is your chance to be hands-on in creating sustainable, meaningful solutions that help businesses thrive. Employee well-being We make mental wellbeing and engagement a priority through initiatives like our sennCare program, a partnership with nilo (global wellbeing platform), and regular satisfaction surveys via Culture Amp. And most importantly, work alongside people who truly care about you as a person. There is something special about the people at sennder that goes beyond just 'work'. Your growth, rewarded We believe in rewarding our team for their commitment and contributions to our long-term success. Our compensation package may include performance bonuses, referral rewards, or equity that align with our goal of building a thriving company together. We're excited to grow with you! Vibrant workspaces Our offices are equipped with healthy snacks, focus zones, and social areas to keep you energized and connected. When you walk into a sennder office, you immediately feel the sennder spirit: our shared culture paired with each location's own unique character. Highlights include a slide in our Wroclaw office and a sunny rooftop terrace in Berlin, Amsterdam, and Milan! We also enjoy coming together regularly, from monthly aperitivos to spontaneous team moments. We celebrate diversity and value your character just as much as your skills. If you don't meet every requirement, don't worry, we still encourage you to take a chance and apply. Bring your authentic self and help us shape the future of logistics in Europe. #J-18808-Ljbffr