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Senior Staff Software Engineer

London, gb💼 Full-time💰 $145,000–$182,000🗓 2026-09-17 → 2026-09-25

Core

Designing scalable onboarding architecture and defining technical strategy for the Consumer Onboarding team to guide customers through account setup and their first international money transfer.

Role type

Senior Staff Software Engineer (IC5)

Builds

Scalable onboarding systems, shared libraries, and core infrastructure for the Consumer Onboarding team.

Domain

Fintech / Consumer Payments

Deliverable

production ML models | product features | infrastructure

Required skills

Java, microservice architectures, distributed systems, system architecture design, technical leadership, product mindset

Preferred skills

Frontend/Mobile collaboration, high-growth consumer products, fintech experience

Technologies

Java

Responsibilities

Design scalable onboarding systems for rapid market growth, define technical contracts between teams, own end-to-end onboarding flows, improve system health and performance metrics.

Seniority

Senior Staff, hands-on IC with strategic ownership

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