Full Stack Developer (Remote, Contractor)

TechBiz Global GmbH

Barcelona, ESremote countryPosted Jun 18, 2026

Skills

postgrestypescripttailwindcomposedockeropenaireactcicdcss

About the role

At TechBiz Global, we are providing recruitment services to our TOP clients from our portfolio.

We are currently looking for a skilled and motivated Full Stack Developer to join one of our client’s teams. The ideal candidate should have strong programming experience, good problem-solving skills, and the ability to work in a modern technical environment.

Responsibilities:

Develop, test, and maintain software applications.

Write clean, efficient, and well-structured code.

Work closely with product, design, and technical teams.

Participate in technical discussions and solution design.

Debug, troubleshoot, and improve existing systems.

Support code reviews and follow development best practices.

Contribute to system performance, scalability, and reliability.

Prepare technical documentation when needed.

Proven experience as a Full Stack Developer.

Strong hands-on experience with FastAPI.

Strong experience with PostgreSQL.

Experience with React.

Experience with TypeScript.

Experience with Vite.

Experience with Tailwind CSS.

Experience working with WebSockets.

Experience with Docker Compose.

Experience with Nginx.

Experience or familiarity with Anthropic SDK.

Experience or familiarity with OpenAI SDK.

Good understanding of APIs, backend services, and frontend development.

Experience with Git and modern development workflows.

Strong problem-solving skills and attention to detail.

Good communication skills and ability to work in a team.

Nice to Have

Experience working on AI-powered products or automation tools.

Experience with cloud platforms.

Experience with CI/CD pipelines.

Understanding of software architecture and scalable systems.

Questions about this role

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Compensation for Full-Stack Engineer roles in Spain varies widely by seniority, employer size, and remote vs onsite arrangement. Check the salary range on this listing when published, or browse our Full-Stack Engineer hub for Spain medians across recent openings.

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