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Backend Engineer - Account Sharing

London, gb💼 Full-time💰 $111,000–$111,000🗓 2026-09-02 → 2026-09-25

Core

Building greenfield international joint accounts and kid accounts for consumers globally to manage shared finances across borders.

Role type

Senior IC backend engineer (financial products)

Builds

Scalable backend systems for high-growth consumer financial products (joint accounts, kid accounts, shared spending)

Domain

Fintech / Consumer Finance / Global Payments

Deliverable

production ML models | product features

Required skills

Distributed systems design, Microservices architecture, Asynchronous system design, Backend programming (Java/Kotlin/Python/Go), Product mindset, Technical architecture influence, Clean code practices, Scalability engineering

Preferred skills

Greenfield product development, International consumer products, Payments/financial systems, Compliance-heavy environments, Event-driven architecture (Kafka), API-first development

Technologies

Java, Kotlin, Python, Go, Kafka, Microservices

Responsibilities

Design scalable backend systems for high-growth consumer products, Build international joint accounts and kid accounts, Collaborate on customer discovery and product iteration, Scale infrastructure and improve reliability across multiple markets, Contribute to architectural discussions and technical strategy, Develop features around shared spending and account customization

Seniority

Senior, hands-on IC

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