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Backend Software Engineer

London, gb💼 Full-time💰 $87,500–$87,500🗓 2026-09-23 → 2026-09-25

Core

Design and build end-to-end features for partner pricing and billing systems, ensuring accuracy, compliance, and financial integrity.

Role type

Senior Backend Software Engineer (Payments/Billing)

Builds

Automated pricing and billing services, reconciliation systems, and secure financial solutions for external partners.

Domain

Fintech / Payments / Billing

Deliverable

production ML models | product features

Required skills

Java, object-oriented programming, system design, event-driven architecture, Kafka, MongoDB, MariaDB, observability, security, testing

Preferred skills

payments domain, fintech, billing, B2B integrations, compliance, audit, regulatory requirements, reconciliation systems

Technologies

Kafka, MongoDB, MariaDB, Java

Responsibilities

Drive automation and centralization across partner pricing and billing systems; Build and extend reconciliation systems; Design and implement automated controls for compliance; Contribute to architectural decisions and code reviews; Improve system resilience and scalability; Use AI tooling in the development lifecycle

Seniority

Senior, hands-on IC

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