Senior AI Engineer (LLM / Multi-Agent Systems)
Portugal (RU/UA speakers preferred) Portugal (English-speaking) Europe (English / RU / UA), overlap with Portugal working hours for collaborationFull-TimeSenior
Salary not disclosed
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Job Details
- Languages
- English / RU / UA
- Required Skills
- PythonFastAPIRESTful APIsLangChain
Requirements
- have built LLM-powered systems in production (not just demos)
- understand how to structure AI systems (RAG, tools, workflows, APIs)
- can debug and improve non-deterministic behavior
- are comfortable working with messy, evolving systems
- have worked in startups or high-ownership environments
- ownership mindset
- ability to move fast and iterate
- ability to understand and improve existing systems
- strong engineering fundamentals
Responsibilities
- Expand system capabilities: add new use cases and data sources
- Expand system capabilities: extend how the system reasons across domains
- Expand system capabilities: improve answer quality and structure
- Orchestration and system logic: improve multi-step workflows (agents, tools, routing)
- Orchestration and system logic: design how different parts of the system interact
- Orchestration and system logic: make behavior more predictable and debuggable
- External access layer: enable external systems to query the platform
- External access layer: build APIs and access patterns for data and reasoning
- External access layer: prepare for monetization (e.g. per-query access, integrations)
- Understand and improve the current system: map how it works end-to-end
- Understand and improve the current system: refactor where needed (without full rewrites)
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