Full-stack engineer building LLM features with structured outputs and MCP agent pipelines, seeks founding role
Full-time/Contract · Remote
Based in Costa Rica
Java · Spring Boot · Angular · Azure OpenAI
Ref. BD-0292 · AI agents & agentic workflows
AI agents & agentic workflows, Knowledge assistants & RAG, Process automation — Based in Brazil. 5 years · Freelance/Contract · Remote
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| Builds | AI agents & agentic workflows, Knowledge assistants & RAG, Process automation |
|---|---|
| Stack | Python, LangGraph, Neo4j, n8n, PyTorch, AWS |
| Experience | 5 years |
| Open to | Freelance, Contract, Full-time |
| Work the agent does | Software & IT, Research & analytics |
| Work mode | Remote |
| Based in | Brazil |
| Posted | Nov 2026 |
| Checked | Source opened and read |
About 5 years of development and 4 building AI systems for startups and larger clients in clinical, finance, content and automation. Built an AI content and automation ecosystem from scratch; A/B tests showed over 30% quality gains. Uses coding agents with engineered harnesses. Remote, flexible time zones.
Summarised in English from the builder’s public post.
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| AP-0726 | Contract AI engineer building LLM infrastructure from scratch for a seed-stage AI network, MexicoAI platform supply, ML & data for AI, AI agents & agentic workflows · Mexico | Contract role · AI, Marketplaces | Budget not stated | — | Oct 2026 | Open |
| AP-0712 | Principal engineer leading enterprise GenAI platform with LLMs, RAG, agents and guardrails, BrazilAI platform supply, AI agents & agentic workflows, Knowledge assistants & RAG · Brazil | Hiring to build | Budget not stated | — | Oct 2026 | Open |
| AP-0711 | Software engineer building applications that integrate LLM APIs into enterprise business workflowsAI features & copilots, Process automation · Colombia | Hiring to build | Budget not stated | — | Oct 2026 | Open |
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