Fullstack Software Engineer x f

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Fullstack Software Engineer x f in Remote new

Alan
Full time
Email

Remote
10/01/2026
Report

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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