Principal/Senior Staff Engineer

Principal / Senior-Staff Engineer

I’m supporting a global tech company that’s going through an exciting transformation and is looking for a high-impact Principal / Senior-Staff Engineer. This is a hands-on individual contributor role with significant influence across teams and leadership, directly reporting into the CTO.

The role is ideal for someone who thrives at the intersection of deep technical expertise, system design, and collaborative leadership, shaping the direction of complex projects without direct people management.

What makes this role unique

• Solve meaningful challenges at scale – Work on innovative problems in digital safety, trust, and privacy, designing solutions that reach millions of users worldwide.
• Work across the stack – From low-level systems to user-facing applications, you’ll have the chance to explore different layers of technology and see your work make a visible impact.
• Lead by influence – Inspire and align 10+ colleagues (including executives) around long-term initiatives, breaking them into clear, outcome-driven roadmaps.

Compensation

• Salary is up to €225,000 annually + benefits

What you bring

• Experience building technical solutions in new or complex domains, and turning research into real-world products.
• Strong communication skills where you are able to share ideas clearly and inclusively, encouraging collaboration.
• A pragmatic mindset, delivering robust, elegant solutions that balance innovation with simplicity.
• A data-informed approach, knowing not only what can be built, but what should be built, and validating the impact.
• Alignment with values of care, inclusivity, transparency, and good judgement.

About the company

The company is on a mission to create safer, more accessible online experiences for people everywhere. With an international team and a renewed vision for growth, they are expanding their technology to reach even more users globally.

They welcome people who thrive in diverse, collaborative teams, who are comfortable navigating change, and who want to help shape the future of online experiences.

Flexibility & balance

• Remote-first, with colleagues spread across EST, BST, and CET time zones.
• Flexible working hours to support different lifestyles and personal commitments.
• A strong focus on outcomes over hours, giving you the autonomy to manage your work in a sustainable way.
• An inclusive culture that values different perspectives, encourages career growth, and supports work-life balance.

Tech environment (not required, just context for a tech agnostic individual at this level)

• JavaScript
• Go, Python (selective use)
• Docker, Terraform
• GitLab
• Google Cloud (GCE, Cloud Run, BigQuery, Composer, …)
• LLM (VertexAI)

Cavendish (Recruitment) Professionals Ltd are proud to be an equal opportunity employer and we believe that inclusivity begins with the candidate experience. All qualified applicants will receive consideration for employment regardless of gender, race, age, sexual orientation, religion, or belief.

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