Senior Backend Engineer - AI Platform & Integrations

Pinwheel; York and North Yorkshire; Hybrid; GBP 75,000 - 120,000; Full time

Benefits offered by this job

Paid parental leave

Unlimited PTO

Team building initiatives

Free mental health support

Pet-friendly and snack-stocked office

Pre-tax commuter benefits

Hybrid-first work model

Full medical, dental, and visionbenefi

401K for retirement planning

Mentorship opportunities

Free Citibike membership

Job summary

Pinwheel is seeking a Senior Backend Engineer to own AI-driven, platform-level problem spaces end-to-end and raise the technical bar for the Integrations Engineering team. You will identify recurring issues, design scalable systems, and lead execution with junior and mid-level engineers.

You will own platform initiatives end-to-end, drive infrastructure design, and collaborate across teams to ensure platform primitives meet consumer needs.

Qualifications

• 5+ years of backend engineering experience.
• Strong systems design; designs adopted by peers; defend tradeoffs.
• Demonstrated autonomous project leadership over multi-quarter projects.
• Computer Science degree or comparable experience.
• Integrations experience with third-party APIs, auth flows, rate limits.
• Browser automation experience (Selenium, CDP, Playwright).
• Browser fingerprinting/detection work.
• Experience designing and operating services with concurrency, failure modes, and scale.
• Experience with backend platform/infrastructure: services, queues, data pipelines, async processing.
• Experience in Fintech or regulatory environments.
• Expertise in Python.
• Track record of reducing on-call noise.

Responsibilities

• Own platform initiatives end-to-end: scope, design, build, ship, and maintain.
• Drive design for new integration infrastructure: services, queues, data pipelines, async workflows.
• Lead projects staffed with junior and mid-level engineers; provide code reviews and design feedback.
• Identify and eliminate classes of problems instead of patching one-off bugs.
• Set technical direction in ambiguous problem spaces.
• Collaborate with IE and adjacent teams to ensure platform primitives meet consumer needs.

Skills

Backend engineering

Python

Systems design

Leadership

Async processing

Browser automation

Fintech experience

Autonomous project leadership

Scale awareness

Education

Computer Science degree

Tools

Selenium

Playwright

CDP

Job description

Pinwheel is seeking a Senior Backend Engineer to own AI-driven, platform-level problem spaces end-to-end and raise the technical bar for the Integrations Engineering team. You will identify recurring issues, design scalable systems, and lead execution with junior and mid-level engineers.

You will own platform initiatives end-to-end, drive infrastructure design, and collaborate across teams to ensure platform primitives meet consumer needs.