> Markdown version of [/jobs/ext/2358065-senior-ai-platform-engineer](https://www.wearedevelopers.com/jobs/ext/2358065-senior-ai-platform-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior AI Platform Engineer

- **Company:** N-iX
- **Location:** La Unión, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Python (Programming Language), Search Technologies, GitHub Copilot, Large Language Models, Kotlin, AI Platforms
- **Published:** August 6, 2026
- **Apply:** https://es.indeed.com/viewjob?jk=752a638a6fdc9649

## About the Role

Kotlin or Python as primary proficiency, with comfort contributing to both.
Experience designing/building/operating shared GenAI infrastructure: LLM routing; vector search and RAG infrastructure; MCP gateway; AI observability and evaluation tooling.
Strong distributed-systems fundamentals: async workflows, idempotency, failure design.
Hands-on production experience with LLM APIs.
AI-security mindset: prompt injection, PII in logs, credential handling.
Agent & harness engineering fluency, with concrete evidence of building/operating this kind of tooling, not just using it.
Comfortable with the client's current daily tools: Claude Code and GitHub Copilot.

## Description

Design, build and operate shared GenAI infrastructure: LLM routing, vector search and RAG infrastructure, MCP gateway, and AI observability/evaluation tooling.
Apply strong distributed-systems fundamentals: async workflows, idempotency, failure design.
Work hands-on with LLM APIs in production.
Apply an AI-security mindset: prompt injection defenses, PII-in-logs handling, credential handling.
Apply real engineering rigor to the Context Development Lifecycle (CDLC): generate, evaluate, distribute and observe the context that powers AI agents.
Multiply the output and quality of the squad you join, and share patterns/practice beyond your immediate team so adoption compounds across the organisation.
Embed directly into a client squad as a hands-on Individual Contributor (not a coaching/managerial role).