Principal Software Engineer

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 Principal Engineer to shape and guide the technical strategy of the OpenAEV platform. You'll play a pivotal role in defining architecture, setting standards, and aligning teams—working closely with the CTO, Staff Engineers, Engineering Managers, and product leadership.

Your Responsibilities

• Define and carry the long-term technical vision of OpenAEV alongside the CTO.
• Set architecture standards and ensure technical coherence across all teams.
• Arbitrate key technical decisions with a focus on scalability, resilience, and maintainability.
• Prototype, explore and validate next iterations to drive innovation and support growth.
• Mentor and guide Staff Engineers, ensuring alignment and consistency across engineering initiatives.
• Balance delivery and technical excellence, challenging roadmaps to keep the right pace between features, debt, and innovation.
• Represent the engineering vision across teams and functions (Product, Ops, Business).

Who You'll Work With

• Reports to VP Engineering
• Key collaborators: Staff Engineers, Engineering Managers, Product Managers/Design, Ops, and leadership.
• Mentorship: provides technical guidance and coaching to Staff/Senior/Associate Engineers.

Profile We're Looking For

• 10+ years of experience building and scaling complex, distributed systems.
• Proven impact defining technical strategy and architecture for platforms or large systems.
• Strong system design skills (scalability, performance, security, observability).
• Hands‑on when it matters: prototyping, validating technologies, reviewing critical PRs.
• Excellent judgment balancing delivery speed with long‑term sustainability and cost.
• Comfortable working remote in an async‑first culture; clear written and verbal communication in English.
• Technical ecosystem you can thrive in: Java/Spring, TypeScript/React, PostgreSQL, Elasticsearch; CI/CD (Drone, GitHub Actions); observability (Grafana, GitHub).
• Autonomy, ownership, and a collaborative mindset; enables others rather than becoming a bottleneck.
• Bonus: Rust/Python, open‑source contributions/maintainership, cybersecurity domain knowledge, data migrations and feature‑flagged rollouts.

Why Join Filigran? More than just a job.

We're a fast-growing, global, and fully remote company on a mission to empower defense teams to be proactive — through open-source solutions that uncover threats and drive action.

• What we believe

We believe we do work that matters — uniting defenders into a global community to make security more open, resilient & collaborative.
- How we work

That belief fuels how we work — with focus, clarity and high standards. Always with care and respect, never with ego.
- What guides us

That focus and care is grounded in our CORE values: Cohesion, Openness, Responsibility, and Equity — the compass that guides our decisions, collaborations, and growth, even when no one's watching.

Compensation & Benefits

• Competitive pay + equity — everyone shares in our success
• Remote-first, flexible, and balanced — work that fits your life
• Your setup, your choice — pick the gear that works for you

Equal Employment Opportunity

We enable cybersecurity through inclusion — from code to culture.

At Filigran, we are proud to be an equal opportunity employer. We believe diversity of our people make our products and our team stronger. We welcome talent of every background, identity, and lived experience — regardless of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, age, disability, or veteran status.

What matters here is what you bring — not what you look like, where you're from, or how you identify.

Ready to Join Us?

Apply now and help us build the future of the cybersecurity ecosystem — together.

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