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Senior Software Engineer - AI Agents & Developer Platform

Spain🌐 Remote💼 Full-time🗓 2026-08-24 → 2026-09-25

Core

Build the infrastructure, harnesses, and evaluation systems that enable reliable, high-quality AI agents and developer tools across Fever's product engineering organization.

Role type

Senior backend engineer specializing in AI agent infrastructure and developer platforms

Builds

Agentic harnesses, shared knowledge bases, autonomous delivery rails, and measurement systems for AI workflows

Domain

Live entertainment technology, AI infrastructure, developer experience (DevEx)

Deliverable

production ML models | infrastructure | product features

Required skills

backend system design, distributed systems, event-driven architecture, CI/CD, observability, LLM application development, RAG, multi-agent orchestration, AI evaluation, cost optimization

Preferred skills

open source contributions, internal tooling experience, startup agility

Technologies

RESTful APIs, relational databases, SQL, queues, messaging systems, cloud environments

Responsibilities

Build agentic harnesses with guardrails and verification systems; construct shared knowledge substrates for agents; own cloud dev environments and autonomous delivery rails; optimize AI workflows for speed and cost; build evaluation and metrics systems for engineering changes

Seniority

Senior, hands-on IC

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