Staff Engineer

Job description

STAFF ENGINEER

LONDON OR MANCHESTER

£80,000 - £110000

THE COMPANY

This UK-based SaaS scale-up is on a mission to protect advertisers’ digital spend by detecting and blocking invalid or low-value clicks. Using machine learning and real-time behavioural analytics, they help agencies and large advertisers improve ROI and reduce waste—all while being cookieless and privacy-compliant. With £15M in Series A funding and integrations with major ad platforms, this is your chance to lead a high-impact engineering team in a fast-growing, data-driven environment.

THE ROLE

As a Staff Engineer, you’ll be a technical leader in the Platform Team, focusing on hands-on development, architecture, and mentorship. You’ll work with real ML datasets, Rubix data, and large-scale ad traffic analytics, building features for the Data Science team and launching new ML models. This role is not about people management—it’s about owning technical design, writing high-quality code, and driving innovation.

Specifically, you can expect to be involved in the following:

• Technical tasks: Improving real-time traffic tracking, deploying new ML models, and optimizing big data pipelines.
• Collaboration: Working closely with Product, Data Science, and engineering teams to solve complex problems.

SKILLS AND EXPERIENCE

The successful Staff Engineer will have the following skills and experience:

• 5+ years of Python engineering experience, with a focus on big data, ML, or adtech.
• Deep hands-on expertise in Python and an understanding of JavaScript/TypeScript/React (even if you won’t write it daily).
• Experience with large-scale datasets, AWS (Redshift is a bonus), or other cloud platforms (GCP/Azure).
• Familiarity with ad platforms (Meta Marketing API, Google Ads API) is a huge plus.
• A computer science/STEM degree is preferred, but strong self-taught candidates will be considered.
• Thrives in fast-paced, high-autonomy environments—stable tenure and a proactive mindset are key.
• Thrives in fast-paced, high-autonomy environments—stable tenure and a proactive mindset are key.

BENEFITS

The successful Staff Engineer will receive the following benefits:

• £80,000–£110,000 salary (depending on location and experience)
• Hybrid working policy: 2 days/week in-office (London/Manchester)
• High-impact work: Shape the future of ad fraud detection and optimization.
• Fast growth: Join a scale-up with a clear trajectory and work with cutting-edge ML and big data.
• Twice-weekly production deployments: See your work make an immediate difference.

HOW TO APPLY

Please register your interest by sending your resume/CV to Joana Alves via the Apply link on this page.

Extra information

Status

Open

Education Level

Secondary School

Location

England

Type of Contract

Full Time Jobs

Published at

12-01-2026

Full UK/EU driving license preferred

No

Car Preferred

No

Must be eligible to work in the EU

No

Cover Letter Required

No

Languages

English