Intermediate/Senior Full-Stack Software Developer - Extensibility
$120k - $170kFull-time
gaiia
Role Description
We’re looking to hire a Full-Stack Software Developer with excellent technical skills and communication abilities to join our SDK & Extensibility squad.
We sell a platform that customers are supposed to make their own. Extending it shouldn’t require hiring a developer, or having to wait on our roadmap. Your team owns that promise end to end:
- The Platform’s SDK
- Our customizable data model
- The extension marketplace
- The AI assistant that makes it accessible to everybody
You will join a team of 3 Full-Stack Developers (including a Team Lead), one Product Manager, and one Product Designer, dedicated to gaiia’s extensibility surface.
Technically speaking, you will work in a serverless ecosystem of microservices deployed on a cloud infrastructure. gaiia is all-in on Typescript, with frontend, backend, and infrastructure-as-code all leveraging Typescript.
As part of the SDK & Extensibility squad, you will have the chance to work across four connected projects:
- Platform SDK — lets developers build custom automations, UI panels, and integrations on top of gaiia, all indistinguishable from native features.
- Custom Objects — a system that lets tenants define their own object types with custom fields, relationships, and lifecycle.
- Extension Marketplace — opening up to third-party developers and partners building extensions that can be distributed, discovered, and installed across tenants.
- AI-Native Extension Builder — a conversational, AI-powered way to build extensions, embedded directly in the product.
Across all four, you’ll also:
- Keep the extension sandbox safe and reliable.
- Design, develop, and deploy GraphQL APIs consumed by external developers, internal squads, and AI systems alike.
- Collaborate closely with other squads who build on top of your primitives.
Qualifications
- At least five (5) years of experience in the Javascript web ecosystem (Typescript is a big advantage).
- Experience with the React library.
- Experience with Node.js.
- Proven experience building with Coding Agents (Claude Code, Codex, etc.).
- Care for long-term, sustainable architectural decisions.
- Known as a team player with impeccable work ethic.
Requirements
- Experience designing developer-facing APIs, SDKs, or plugin/extension systems.
- Experience with sandboxing, Web Workers, or isolated execution environments.
- Experience with GraphQL.
- Familiarity with the design of AI coding tools or LLM-based code generation.
- Strong intuitions about AI product design — thinking about failure modes, edge cases, and user trust.
- Interest or expertise in functional programming.
Benefits
- Flexible 25 days vacation.
- Stock Options Plan.
- Group Insurance.
- Telemedicine.
- Life and Health Spending Accounts.
- Group Retirement Savings Plan (RRSP).
- Flexible working hours & all-remote work.
Vacancy posted 3 days ago
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