Senior Backend Engineer, Cash Management - Scale Payments

Wise; Greater London; On-site; GBP 87,000 - 111,000; Full time

Job summary

Wise is seeking a Senior Software Developer for the Cash Management Team in the United Kingdom. The role focuses on owning backend services, from problem to production, with Java, Spring Boot and Kafka.

You will design scalable systems, optimize databases, and collaborate across teams to support international payments and partner integrations. Expect a high degree of autonomy, emphasis on reliability, and opportunities to influence architecture as Wise expands its global payment platform.

Qualifications

• Strong backend engineering experience with relational databases, event-driven systems and an OO language.
• Hands-on experience building or contributing to large-scale distributed systems.
• Ability to design, develop and operate backend services in production.

Responsibilities

• Design, develop, and maintain highly scalable services in Java and Spring Boot within a microservices architecture.
• Apply domain-driven design to build robust, scalable solutions.
• Lead development efforts in event-driven architectures using Kafka or similar messaging systems.
• Architect, design, and optimise PostgreSQL databases for performance and scalability.
• Collaborate with cross-functional teams to support partner integrations and expand Wise's payment platform globally.
• Participate in code reviews, mentor junior engineers and promote best practices.

Skills

Java

Spring Boot

Kafka

PostgreSQL

Job description

Wise is seeking a Senior Software Developer for the Cash Management Team in the United Kingdom. The role focuses on owning backend services, from problem to production, with Java, Spring Boot and Kafka.

You will design scalable systems, optimize databases, and collaborate across teams to support international payments and partner integrations. Expect a high degree of autonomy, emphasis on reliability, and opportunities to influence architecture as Wise expands its global payment platform.