Senior Software Development Engineer, Backend in London

Wise is a global technology company, building the best way to move and manage the world's money. As part of our team, you will be helping us create an entirely new network for the world's money.

We are looking for a passionate Backend Software Engineer to join the Pricing Core team. The Pricing Core team focuses on building and maintaining the main pricing platform that enables teams at Wise to price their products in a reliable, scalable and extensible way. You'll have the chance to work on and shape the future of complex systems, dealing with high-throughput services, designing and building scalable, efficient and performant solutions.

Main Responsibilities

• Design, develop, test, and maintain backend services written in Java using the Spring Boot framework, deployed on cloud infrastructure (AWS).
• Build and maintain event-driven architectures using Apache Kafka for asynchronous processing of financial events across distributed services.
• Contribute and drive architectural decisions, ensuring we maintain a high bar on quality, reliability and observability of our services.
• Identify and resolve performance bottlenecks, scalability issues, and technical debt in existing systems.
• Participate in on-call rotations to monitor and respond to production incidents for Tier 1 critical services.
• Conduct code reviews for team members, ensuring code quality, security, and adherence to engineering standards.

What we're looking for

• Technical Excellence: Strong background in software engineering, with a track record of contributing significantly to large, impactful projects in a complex production domain. Experience with Java or similar OOP language. Expert in your technical discipline, with the ability to design for long-term iteration and scale. You make sensible trade-offs between speed, scalability and risk, and optimise for a predictable, regular cadence of delivery.
• Product mindset and autonomy: Ability to work on ambiguous and complex problems. Own the technical roadmap and deliverables of your project end-to-end, embracing long-term ownership. Use data to define, prioritise and measure the success of the initiatives.
• Collaboration, Communication and Growth: Great communication skills and the ability to tailor communication style depending on the audience. Ability to work with cross-functional teams to shape requirements and priorities. Ability to mentor and coach other engineers. Actively share knowledge both within the team and squad. Regularly seek and provide feedback.

Nice to have

• Experience in pricing systems and/or payments, finance domains.
• Experience working with distributed SQL engines (e.g. Trino).
• Ability to build software solutions, APIs, or platform tooling on top of big data pipelines and analytical engines.
• Familiarity with configuration-heavy domain where business logic is shared between data and code.

We're people building money without borders — without judgement or prejudice, too. Inclusive teams help us live our values and make sure every Wiser feels respected, empowered to contribute towards our mission and able to progress in their careers.