Full Stack Engineer

Software Engineer | Cyber Security Technology | Python / C# / JavaScript | Hybrid Barcelona

Join a next generation Cyber Security start up, building mission critical systems that protect national interests across Europe.

This start up company is already profitable despite only going for a couple of years & they're working directly with highly secure government and defence clients across the EU.

As they expand their engineering team, they’re looking for versatile software developers (Python, C#, or JavaScript) who are excited by building robust, on prem systems that power complex, highly secure Cyber Security and Defence applications. You will need to be on site in Barcelona twice a week, three days remote.

What You’ll Do

Design, develop, and optimise secure, on prem systems for Cyber Security, Defence and Intelligence applications.

Work across core languages (Python, C#, or JavaScript (React) depending on your strengths.

Collaborate closely with a small, world class team in an environment that values agility, autonomy, and creative problem solving.

Contribute to multiple confidential, bleeding edge technology projects

Write efficient, reliable, and maintainable code that performs in demanding, security sensitive contexts.

What They’re Looking For

Mid to Senior Developers with experience in Python, C#, or JavaScript (React)

Strong software fundamentals, security, performance, testing, and systems design.

A pragmatic, hands on approach and the ability to thrive in a fast-paced start up environment.

English fluency required.

Why Join?

Every line of code you write will have a direct impact on real-world defence capabilities.

Fast growth start up, already in profitability

No corporate politics just sharp minds solving hard problems together.

Based in Barcelona, but open to remote engineers across NATO countries.

€40,000 – €75,000 depending on experience (Very exceptional candidates may be considered above this range)

If you're interested, please send through an updated CV and I'll reach out to you ASAP.