Principal Senior Staff Engineer

Overview

Hands‑on principal engineer shaping digital safety tech at scale

Key Responsibilities

• team leadership
• roadmap planning
• digital safety
• privacy
• scalable solutions
• innovation

Tasks

-Lead by influence – Inspire and align 10+ colleagues (including executives) around long-term initiatives, breaking them into clear, outcome-driven roadmaps. -Solve meaningful challenges at scale – Work on innovative problems in digital safety, trust, and privacy, designing solutions that reach millions of users worldwide.

Requirements

• google cloud
• node.js
• python
• docker
• terraform
• communication

What You Bring

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. 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. Tech environment (not required, just context for a tech agnostic individual at this level) -Strong communication skills where you are able to share ideas clearly and inclusively, encouraging collaboration. -Google Cloud (GCE, Cloud Run, BigQuery, Composer, …) -Node.js / JavaScript -Go, Python (selective use) -Docker, Terraform -Experience building technical solutions in new or complex domains, and turning research into real-world products. -LLM (VertexAI)

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Benefits

-Salary is up to £230,000 annually + benefits -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. -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.

About Cavendish Professionals

-The firm has since grown into a global recruiter based in the Royal Exchange in London. -They serve clients in complex sectors—rail, construction & engineering, and technology—placing blue‑ and white‑collar professionals in permanent, contract, and temp‑to‑perm roles. -Operating across the UK, Europe, DACH, CEE, Nordics and beyond, they embed teams within industries to build long‑term relationships with both clients and candidates. -Projects range from UK infrastructure delivery through rail and civil engineering, to placing software developers, Salesforce and SAP specialists in dynamic tech firms. -They organise mentoring events across Europe and host charity and sporting gatherings, earning a reputation for community‑driven engagement.

Sector Specialisms