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# Senior Software Engineer I - Cash Management

- **Company:** The Wise Group
- **Location:** United Kingdom
- **Experience:** Expert
- **Salary:** £87,500 - £111,000
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Code Review, Data Integrity, Relational Databases, PostgreSQL, Enterprise Messaging Systems, Spring-boot, Backend, Event Driven Architecture, Data Analytics, Apache Kafka, Domain Driven Design, Microservices
- **Published:** October 22, 2026
- **Apply:** https://www.totaljobs.com/job/senior-software-engineer/the-wise-group-head-office-job108210684

## About the Role

We are fully aware that it is uncommon for a candidate to have all skills required and we fully support everyone in learning new skills with us. So if you have some of those listed below and are eager to learn more we do want to hear from you!

 * Extensive experience with Java and Spring Boot for building backend services or similar languages and/or frameworks.
 * Strong expertise in microservices architecture and event-driven design.
 * Hands-on experience with Kafka or similar messaging systems.
 * Strong knowledge of relational databases like PostgreSQL, with the ability to design schemas, optimise queries, and ensure data integrity.
 * Proficiency in domain-driven design (DDD) to model complex business domains is a plus
 * A strong product mindset and passion for user experience, you prioritise work with the customers in mind and make data-driven decisions to fix customer pain-points
 * Excellent problem-solving skills and the ability to work independently or in a collaborative team environment.
 * Strong communication skills, with the ability to convey technical concepts to both technical and non-technical audiences.

## Description

We are looking for a Senior Product Engineer, you'll be an integral part of our dynamic Wise for Banks team, working at the forefront of innovation, playing a key role in building scalable and robust systems that power our global payment network. You'll collaborate closely with Implementation, Solutions Engineering and Business Development teams and other Wise Engineering teams to support partner integrations alongside Product managers and embark on new and thrilling projects that expand our network of global partnerships., * 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 relational databases (e.g., PostgreSQL) to ensure performance and scalability.
 * Collaborate with cross-functional teams to support partner integrations and expand the Wise payment platform globally.
 * Participate in code reviews, champion best coding practices and mentor junior engineers.