Senior AI Engineer
RemoteBarcelona, Catalonia, SpainseniorFull-time
- Posted
- today
- Source
- LinkedIn (remote, Europe)
- Field
- Engineering, Data & Analytics
Skills
LeadershipPythonAzureNext.jsLLMsAWSAI
Description
We are looking for a hands-on Senior AI Engineer with GenAI experience who can move fast, test aggressively and scale what works. You will own the end-to-end solution, work closely with leadership and play a key role in our next phase of growth.
Your responsibilities:
- Implement agent features and integrations in production codebases – APIs, websockets, tool-calling workflows – following established architecture patterns.
- Adapt and integrate pre-trained LLMs and embeddings into applications (prompting, fine-tuning, RAG pipelines) and keep them maintainable.
- Build self-verifying agent workflows with chain verifications, evaluator models and human looped escalation paths that make agents trustworthy in enterprise environments.
- Create comprehensive agent observability, full audit trails, structured logging, performance metrics – so the team always has clear agent visibility.
- Ship autonomous agents making real business decisions with high reliability, optimising the balance between reasoning depth, latency, and cost.
- Embed with product teams to evolve agent capabilities based on real usage data, closing the loop between what’s built and what actually works.
What we are looking for:
- 6 years+ in software engineering with 3+ years in GenAI, building and shipping production systems in enterprise settings.
- Strong proficiency in Python with production deployment experience – you write code that other engineers can maintain, test, and extend.
- Solid AWS knowledge (CDK, Serverless, Bedrock) with production deployment experience.
- Hands-on experience with LLM providers and frameworks: Azure OpenAI, AWS Bedrock, Hugging Face, LangChain/LangGraph.
- Deep expertise in agent frameworks combined with the ability to build custom orchestration.
- University degree or equivalent experience in Computer Science, Engineering, or a related field.
This is a hybrid position which can be based across any large European city.
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