Senior Software Engineer (TypeScript and Python) - XTM One
Company: FILIGRAN
Location: España (Remote)
Type: Full-time
Remote: Yes
Posted: 2026-03-20
About this role
## The Company
Filigran, founded in October 2022, stands out in the cybertech ecosystem for its commitment to revolutionizing cyber threat management with a proactive approach. Its mission is to develop innovative open-source solutions designed to anticipate cyber threats, identify security gaps, and strengthen organizational security posture.
Filigran solutions are now trusted by over 6,000 public and private organizations worldwide.
## The Role
We're looking for a Senior Software Engineer to join our new XTM One team and contribute in shaping a state-of-the-art product and build the core platform for our XTM Suite.
You'll work closely with the Engineering Manager and a small, agile squad to define the technical architecture and continue to enhance our unified AI solution that will unlock the true potential of our XTM Suite.
This is a high-impact role where you will balance rapid iteration with code quality to lay the foundation for a scalable product. You will not just act as an implementer, but as a key contributor to the product vision, helping us solve complex challenges.
## Your Responsibilities
- **Full Stack Architecture:** Build a clean, scalable application deployable both as SaaS and On-Premise, using **Typescript** and **Python**. You will design complex **visualization flows**, advanced **logging capacities** and **agent configuration**.
- **Architectural Evolution:** Refine the software architecture to handle the integrations with the AI team at Filigran.
- **Rapid Prototyping:** Iterate fast to test concepts, being comfortable with refactoring or deleting code as the product vision evolves based on user feedback.
- **Community Management:** Engage with the Open Source community (GitHub, Slack), answering user questions.
- **Team Structuring:** Participate in the creation of development processes and team culture as one of the first hires in this new squad.
## Who You’ll Work With
- **Direct report**: You will repo...