Senior Python Developer

Join our team as a Senior Python Developer in Barcelona

As a Senior Python Developer at Outpost24, you will play a key role in developing and enhancing our cybersecurity products and services. You will work closely with cross-functional teams to design, implement, and optimize Python-based applications that defend against cyber threat. Your expertise will contribute to the continuous improvement of our security solutions, ensuring they meet the highest standards of performance, reliability, and efficiency.

Your key responsibilities will include:

- Design, develop, and deploy efficient and maintainable Python services.

- Write clean, reusable, and testable code that follows best practices and coding standards. Identify and troubleshoot software defects and performance issues.

- Conduct code reviews and provide constructive feedback to ensure code quality and performance.

- Ensure that software solutions are scalable, maintainable, and secure, with attention to performance and resource efficiency.

- Produce and maintain clear technical documentation to support development, usage, and handover of tools and systems.

- Stay up-to-date with the latest advancements in threat intelligence, cybersecurity, and software development, and apply relevant knowledge to ongoing projects.

What makes you our ideal candidate?

- Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience).

- 5+ years of software development experience, with a proven track record of designing and implementing complex, scalable applications.

- Experience in building scalable and high-performance applications using Python.

- Experience with cloud technologies (e.g., AWS, Azure, GCP) and containerization (e.g., Docker, Kubernetes).

- Solid understanding of data structures, algorithms, and software design principles. Proficiency in using Git or other version control systems.

- Familiarity with Agile development methodologies.

- Excellent problem-solving and analytical skills. Strong communication and collaboration abilities in English. Ability to thrive in a fast‑paced, dynamic work environment.

- Above all, we want to see someone who is an awesome team player – for us, attitude is everything.

But what’s in it for you?

In return for your efforts, we can offer you:

- A flat organizational structure and lots of autonomy; you are not just a number. You will join an organization that offers a steep learning curve, where your contributions will have a tangible impact.

- The opportunity to be part of a fast‑growing and fun European cybersecurity company.

- A healthy work‑life balance, so you can enjoy flexible work hours if desired.

- We prioritize the well‑being and development of our employees. That’s why we offer a fitness allowance to support physical health.

- Employees also benefit from regular performance conversations with their managers, focused on development, career progression, and self improvement.

- An opportunity to join our growing team in our Barcelona office, and enjoy the local perks and benefits.

And so much more

Sounds like you? Then apply today

Don’t fulfil all the criteria? At Outpost24, we're dedicated to building a diverse and inclusive workplace, where attitude, values, and willingness to learn are valued above all. So, if you're excited about this role but your professional experiences don't completely align with what we're looking for, we encourage you to apply anyway.

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