Senior Software Engineer II - Wise for Enterprise

Requirements:

• Has extensive hands-on experience with Java and Spring Boot in production environments
• Has strong experience designing and operating large-scale distributed systems and microservices architectures
• Is comfortable designing event-driven systems using Kafka or similar technologies
• Has strong experience modelling and building systems with PostgreSQL or other relational databases
• Applies domain-driven design principles to build scalable and maintainable systems
• Has a track record of architecting and delivering complex, high-scale systems
• Demonstrates strong technical leadership and cross-team influence
• Communicates effectively with both technical and non-technical stakeholders

What you'll be doing:

• Lead the design and development of highly scalable and resilient services in Java and Spring Boot within Wise’s microservices architecture, helping evolve the systems that power our global payments network.
• Apply domain-driven design to model complex financial domains and build robust, scalable solutions that support Wise’s growing partner ecosystem.
• Drive the development and adoption of event-driven architectures using Kafka or similar messaging systems, ensuring systems are reliable, observable, and able to scale with increasing transaction volumes.
• Architect and optimise relational database systems (e.g. PostgreSQL), ensuring strong data modelling, performance, and reliability across critical financial workflows.
• Collaborate with cross-functional teams including Product, Implementation, Solutions Engineering, and Business Development to support partner integrations and expand the Wise payment platform globally.
• Provide technical leadership across teams, influencing architecture decisions, contributing to platform-level improvements, and ensuring engineering standards remain high across services.
• Participate in code reviews, architecture discussions, and technical planning, championing best practices in distributed systems, reliability, and maintainability.
• Mentor and support engineers, helping grow technical capability across the team while fostering a culture of learning, ownership, and collaboration.

Nice to haves:

• Extensive experience building backend systems using Java and Spring Boot, or similar languages and frameworks, in production environments.
• Strong experience designing and operating large-scale microservices architectures and distributed systems.
• Proven experience building or operating event-driven systems using Kafka or similar messaging platforms.
• Strong knowledge of relational databases such as PostgreSQL, including schema design, query optimisation, and maintaining data integrity in high-scale systems.
• Experience applying domain-driven design (DDD) to model complex business domains and design scalable systems is a plus.
• A strong product mindset and passion for user experience — you prioritise work with the customer in mind and make data-driven decisions to solve real problems.
• Excellent problem-solving skills, with the ability to operate independently while collaborating effectively across teams.
• Strong communication and leadership skills, with the ability to clearly convey technical concepts to both technical and non-technical audiences.
• Experience mentoring engineers and contributing to raising technical standards across teams.

Perks and benefits:

We are fully aware that it is uncommon for a candidate to have all the 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! ...but don’t worry — we don’t expect you to know everything!