Permanent contract

Minimum 4-5 years of experience

Build, Decide and Shape the future of the product

Are you excited by the idea of turning data into tools that solve real-world problems and help optimize industrial processes? At Surphase, we are looking for people who want to go beyond data analysis and actively contribute to building products with real impact.

We are a deep-tech startup born from the scientific community, currently in a key phase of industrialization and scale-up, looking for professionals who want to take real technical ownership of the product. We are not looking for execution alone. We value autonomy, product mindset and decision-making ability to bring together data, technology, and practical solutions that create measurable value for our customers.

Here, you will have clear visibility into the impact of your work, collaborate closely with multidisciplinary teams, and grow in an environment with strong professional development opportunities.

What will you find at Surphase

We know thatto achieve our goals,



we need to provide an environment with conditions that measured up to our team.
- €38,000- €48,000 gross annual salary, with annual review linked to performance and objectives
- Technology project with real impact on sustainability, efficiency, and water treatment
- On-site work in Donostia| San Sebastián within a small, multidisciplinary, growing teaam
- Direct involvement in the evolution of the product
- Training plan and certification opportunities
- Professional growth as the technology area scales
- Adaptable hours and a short workday on Fridays and during the summer

Your mission in Surphase

You will be part of the team that is building and evolving our digital products and technology services. Your work will go beyond development: you will create internal tools, improve the user experience, and shape the layer that connects data, sensors, and people. You will help turn complex information into clear and useful solutions.

You w

📌 Senior Full Stack Developer (San Sebastián)
🏢 Surphase
📍 San Sebastián