Responsibilities
Work across four to five products with different technology stacks and improve shared platform capabilities.
Own features end-to-end across UI, APIs, server logic, infrastructure, deployment, testing, documentation, delivery, and operation.
Build and improve AI-agent infrastructure, including LLM streaming, tool orchestration, sandboxed execution, and security boundaries around untrusted code.
Implement wallet-based identity, signing, embedded and external wallets, and server-side authorization.
Manage dependencies, reviews, blockers, delivery, product decisions, and technical risks independently.
Raise engineering quality through meaningful tests, code reviews, and accurate living documentation.
Operate shipped systems with structured logs, traces, metrics, dashboards, alerts, optimization, and ongoing internal and external support.
Requirements
Strong end-to-end TypeScript and React experience across client, server, API design, and serverless or edge runtimes.




Experience building LLM-powered products involving streaming, tool use, prompt pipelines, agent orchestration, or sandboxed execution.
Comfort with web3 application development, wallet authentication, signing, embedded and external wallets, and EVM fundamentals.
Hands-on experience with infrastructure as code, CI/CD, containers, production observability, and behavior-driven testing.
Remix, Next.js, Vite, and Cloudflare Workers experience is valuable.
Benefits
Opportunity to contribute to making AI a public good
Self-directed environment with opportunities to shape the role and career
Market-competitive compensation including, for most roles, exposure to pre-launch tokens
Reimbursements toward meditation, education, communication, speech coaching, and fitness or gym memberships/classes

📌 Engineer/Constructeur (España)
🏢 0g Labs
📍 España