Senior Fullstack Engineer
New
L
Lingo.devDeveloper Tools
Poland, Czech Republic, Germany, Portugal, Spain, 7-10am San Francisco time dailyFull-TimeSenior
Salary not disclosed
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Job Details
- Languages
- Fluent English
- Experience
- 5+ years
- Required Skills
- Node.jsPostgreSQLExpress.jsTypeScriptReact
Requirements
- Built an own app, or side project used by others
- 5+ years of production experience with TypeScript and Node.js
- Expert React knowledge (Suspense-first patterns, skeleton loaders, loading states)
- Experience with SSR, CSR, and SSG
- Deep expertise with React routing libraries
- Built or contributed to design systems/component libraries
- Experience designing navigation, onboarding flows, and user journeys
- Backend experience with Node.js (Express.js or similar) and PostgreSQL
- Experience designing production-ready APIs
- Experience with authentication and authorization systems
- CS degree or equivalent
- Prior remote work experience in distributed teams
- Fluent English
- Deep knowledge of AI coding tools and workflows
Responsibilities
- Design, develop, and grow Lingo.dev products
- Build and maintain web applications (routing, navigation, UX, performance)
- Develop open source tools (CLI, webpack/vite plugins)
- Design and manage backend APIs and PostgreSQL database layer
- Integrate with 3rd party systems and build AI agents
- Draft technical designs and review with founders and team
- Implement features end-to-end with tests and documentation
- Participate in product roadmap sprints and weekly Demo Days
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