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Paligo

Senior AI Engineer

Paligo

Senior AI Engineer at Paligo Labs developing AI grounding infrastructure with knowledge graph and retrieval systems. Collaborating with lighthouse customers to enhance enterprise AI systems.

Posted 5/25/2026full-timeRemote • 🇸🇪 SwedenSeniorWebsite

Tech Stack

Tools & technologies
AWSCloudPythonTypeScript

About the role

Key responsibilities & impact
  • Design and build the knowledge graph that represents structured content, its relationships, and its provenance.
  • Own the RAG retrieval pipeline end-to-end — chunking strategy, embeddings, hybrid retrieval, re-ranking, evaluation.
  • Drive measurable improvements in retrieval quality, hallucination rates, token economics, and latency.
  • Work directly with lighthouse customers to shape what "grounding" means in practice for enterprise AI deployments.
  • Contribute to the architectural foundations that the rest of Paligo's AI work will build on.
  • Partner with our CISO to keep what we build compliant with our security standards and data protection obligations.

Requirements

What you’ll need
  • 5+ years as a software engineer, with significant full-stack experience.
  • 2+ years shipping AI features to production — not just experiments.
  • Direct, hands-on experience building RAG systems and working with vector databases, embeddings, and retrieval evaluation.
  • Familiarity with knowledge graphs, graph databases, or structured retrieval approaches — and the judgement to know when graph-based retrieval beats vector search, and when it doesn't.
  • Strong TypeScript, Python, backend, and cloud infrastructure skills (AWS preferred).
  • Containerization and infrastructure-as-code.
  • Familiarity with agentic workflows and MCP-style tool integration.
  • The product-sense to make good tradeoffs between retrieval quality, cost, and latency.
  • Professional fluency in English.

Benefits

Comp & perks
  • Competitive benefits
  • Flexible working hours
  • Paid time off

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
TypeScriptPythonfull-stack developmentRAG systemsvector databasesembeddingsretrieval evaluationcontainerizationinfrastructure-as-codecloud infrastructure
Soft Skills
product sensecommunicationcollaborationjudgmentproblem-solving