Jobs in Donostia, Spain
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Senior Full-Stack Engineer (JVM + TypeScript)
Job summary
A fast-growing tech startup is seeking a Software Engineer to join their remote team. The role involves end-to-end feature development, backend and frontend work, and integration with cloud infrastructure. Candidates should have 8+ years of experience and strong skills in languages like Go or Kotlin. The company offers stock options, unlimited PTO, and a culture that values high ownership and flexibility.
Benefits
Qualifications
- 8+ years of experience in software engineering required.
- Strong backend expertise is essential.
- English: Upper-Intermediate or higher.
Responsibilities
- Build features end-to-end across backend and frontend.
- Contribute to browser/IDE plugins and dev-facing tools.
- Participate in code reviews and mentor other engineers.
Skills
Tools
Remote | Globally Distributed Team
Data Platform / DevTools Product
Full-time | Long-term | Stock Options Included
- Build features end-to-end — from data processing and APIs to frontend components like browser extensions and IDE plugins.
- The focus is backend-heavy, but solid frontend skills are required for delivering user-facing developer tools.
- Build and own features across backend, APIs, and frontend
- Develop internal and public APIs
- Integrate with the company’s data platform
- Contribute to browser / IDE plugins and dev-facing tools
- Support CI / CD pipelines and cloud-based delivery
- Collaborate with the infrastructure team (Kubernetes, GCP)
- Write well-tested, maintainable code
- Participate in code reviews and mentor other engineers
- Primary Backend: Go, Kotlin, Java, or Scala — language flexibility is welcome; JVM experience is especially valued
- Frontend: TypeScript + any modern JS framework (React, Vue, Angular, Svelte — all accepted)
- Infrastructure: Kubernetes, Terraform, Docker, GCP
- Data Layer: PostgreSQL
- DevOps: CI / CD pipelines, GitHub Actions, CircleCI
- 8+ years of experience in software engineering
- Strong backend expertise (Go, Kotlin, Java, or Scala)
- Hands-on experience with RESTful APIs and data-heavy applications
- Familiarity with cloud infrastructure and Kubernetes
- Solid frontend skills (TypeScript, integration-level — no need for deep UI work)
- Ability to deliver production-ready features end-to-end
- Comfortable working across the stack and switching layers as needed
- Experience with developer tools or data platforms is a plus
- English: Upper-Intermediate or higher
- Stock options in a fast-growing, VC-backed startup
- 100% remote team with async-friendly culture
- Collaborate with world-class engineers from NASA, Meta, MIT, AWS
- Work on a high-impact devtools product used by engineering and security teams
- Unlimited PTO and flexible hours
- High ownership, zero micromanagement, no legacy
- Recruiter screening (30 mins)
- CEO interview
- Math interview
- Technical interview #1 (live coding)
- Technical interview #2 (live coding)
- Final interview with CTO / co-founder
Apply now or message us directly — we’ll be happy to share more about the role, product, and team. Let’s build something exceptional together.
* The salary benchmark is based on the target salaries of market leaders in their relevant sectors. It is intended to serve as a guide to help Premium Members assess open positions and to help in salary negotiations. The salary benchmark is not provided directly by the company, which could be significantly higher or lower.
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