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Clicksign

Senior AI Engineer

Clicksign

Senior AI Engineer developing innovative AI solutions at Clicksign. Leading technical development of LLM-based solutions for digital interactions.

Posted 4/12/2026full-timeRemote • 🇧🇷 BrazilSeniorWebsite

About the role

Key responsibilities & impact
  • Lead the technical development of LLM-based solutions.
  • Design end-to-end architectures for processing and understanding unstructured data: data ingestion; parsing and transformation; retrieval and RAG; reasoning and extraction.
  • Decide when to use agents versus deterministic pipelines.
  • Ensure quality, scalability, and observability of solutions in production.
  • Evolve technical standards, architecture, and best practices for the AI stack.
  • Mentor other engineers and raise the team's technical level.
  • Work closely with product to turn complex problems into incremental solutions.

Requirements

What you’ll need
  • Strong software engineering (backend) experience — 5+ years.
  • Hands-on experience with AI systems in production (especially LLMs).
  • Experience building applications with RAG, agents, or information extraction.
  • Familiarity with frameworks such as Agno, LangChain, LlamaIndex, or similar.
  • Experience designing distributed, scalable system architectures.
  • Experience processing unstructured data.
  • Knowledge of embeddings, semantic search, and response quality evaluation.
  • Experience with observability and debugging of AI systems.
  • Proficiency with Git.

Benefits

Comp & perks
  • Meal allowance / food voucher
  • Childcare assistance
  • Remote work
  • Health insurance
  • Education and cultural benefits
  • Gympass membership
  • Birthday day off
  • Discounts on therapy
  • English courses

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
software engineeringAI systemsLLMsRAGinformation extractiondistributed system architecturesunstructured data processingembeddingssemantic searchresponse quality evaluation
Soft Skills
mentoringproblem-solvingteam collaboration