Senior Java Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Java Engineer based in United Kingdom.

As a Senior Java Engineer, you will take technical ownership of reliable, scalable payment platforms serving demanding financial and fintech environments. You will design and build secure, high-performance systems that process transactions at scale, owning features from architecture through production. The role combines hands-on software engineering with technical leadership, mentoring, and architectural decision-making. You will work closely with Product, Architecture, DevOps, and other technical stakeholders to translate complex business requirements into robust solutions. You will also contribute to application reliability, security, observability, and continuous delivery practices. This is an international, distributed engineering environment where precision, ownership, collaboration, and curiosity are highly valued.