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Fullstack Software Engineer x f

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Fullstack Software Engineer x f in Remote

  • Spain

Responsibilities

  • Build and evolve Hopper’s product experiences across web, Slack, Linear, and GitHub.
  • Develop agent runtimes and orchestration, including control planes, harnesses, model routing, long-running execution, recovery, and isolated sandboxes.
  • Create secure connectors and an MCP Gateway handling identity, credentials, permissions, confirmations, sensitivity, and audit.
  • Develop reusable skills, automations, artifacts, dashboards, hosted tools, and evaluation experiences.
  • Own projects end to end from React interactions and API contracts through production reliability.
  • Help scale managed agent pools, sandboxed environments, autonomous testing, and CI auto-fix capabilities.

Requirements

  • 3+ years of experience in full-stack software engineering roles.
  • Experience building products, internal platforms, frameworks, or infrastructure used by other people.
  • Depth in at least one relevant area such as AI agents and evaluations, developer platforms, high-quality product UX, distributed systems and runtimes, or security and authorization.
  • Ability to own work end to end from a React interaction or API contract to production reliability.
  • Experience with LLM APIs, agent harnesses, MCP, or AI-assisted coding tools is a strong plus.
  • Fluency in English; French is not required.
  • Ability to work legally in France, Belgium, or Spain.
  • Curiosity, collaboration, product and platform thinking, and the ability to make tradeoffs across speed, reliability, cost, security, and user experience.

Benefits

  • Remote work flexibility with an emphasis on in-person collaboration.
  • Stimulating work environment with perks intended to support employee happiness and efficiency.
  • Opportunity to work on Alan’s internal agentic AI platform and collaborate across engineering, product, data, sales, and operations.

Alan

Alan is a Paris-based digital health insurer that sells group and individual health coverage with integrated care and prevention tools to employers, the self-employed, and public-sector workers. Its app bundles claims, a virtual clinic, care navigation, and mental well-being services, delivered u...

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