Senior Python Engineer — High-Impact, Hybrid

Harnham; Greater London; Hybrid; GBP 90,000 - 110,000; Full time

Benefits offered by this job

Salary up to £100,000

Hybrid working – 2 days per week in the London office

Strong engineering culture focused on quality and reliability

Job summary

A technology company in Greater London is looking for a Senior Software Engineer to build and scale a high-impact ad-fraud prevention platform. This senior individual contributor role emphasizes ownership and quality in engineering. Candidates should have extensive experience in modern product teams, proven skills in designing scalable systems, and technical leadership abilities. The position offers a salary up to £100,000 and a hybrid working arrangement with two days in the London office.

Qualifications

• Strong experience as a Senior Software Engineer in modern product teams.
• Proven ability to design and deliver scalable, reliable systems.
• Experience operating production services.

Responsibilities

• Lead delivery of complex, cross‑service features.
• Make pragmatic architecture and design decisions.
• Own services end‑to‑end, including performance, reliability, and incident response.
• Set standards for testing, observability, and security.
• Mentor engineers and contribute to strong team practices.
• Collaborate closely with Product, Design, and Data teams.

Skills

Strong coding skills

Code review

Technical leadership

Job description

A technology company in Greater London is looking for a Senior Software Engineer to build and scale a high-impact ad-fraud prevention platform. This senior individual contributor role emphasizes ownership and quality in engineering. Candidates should have extensive experience in modern product teams, proven skills in designing scalable systems, and technical leadership abilities. The position offers a salary up to £100,000 and a hybrid working arrangement with two days in the London office.