Senior Product Engineer II: Global Payments Platform

Senior Product Engineer II: Global Payments Platform

Full-Time 70000 - 90000 £ / year (est.) Home office (partial)
Wise

At a Glance

  • Tasks: Lead the design of scalable services for Wise's global payments network using Java and Spring Boot.
  • Company: Join Wise, a leader in global payments with a collaborative and innovative culture.
  • Benefits: Enjoy competitive salary, flexible work options, and opportunities for professional growth.
  • Other info: Be part of a dynamic team that values collaboration, curiosity, and shared ownership.
  • Why this job: Make a real impact on global financial systems while working with cutting-edge technology.
  • Qualifications: Extensive experience in Java, Spring Boot, and large-scale distributed systems required.

The predicted salary is between 70000 - 90000 £ per year.

We’re looking for a Senior Product Engineer II to join our Wise for Banks team and help shape the technical direction of the systems powering Wise’s global payment network. In this role, you’ll operate at the intersection of engineering, product, and partnerships by driving the architecture, scalability, and reliability of the infrastructure that enables banks to connect seamlessly to Wise.

With deep expertise in Java, Spring Boot, Kafka, and PostgreSQL, you’ll lead the design of highly available services and event‑driven systems that power partner integrations and financial flows at scale. You’ll influence architecture across Wise’s ecosystem of 700+ microservices, helping teams make sound technical decisions and ensuring systems remain maintainable, observable, and resilient as our platform grows.

Beyond hands‑on technical contributions, you’ll act as a technical authority and multiplier for the organisation. You’ll mentor engineers, raise engineering standards, and guide teams toward best practices in microservices architecture, domain‑driven design, and distributed systems. You’ll also play a key role in cross‑team initiatives, representing Wise Platform and helping align engineering efforts with company‑wide goals.

At Wise, we value collaboration, curiosity, and shared ownership. In this role, you’ll develop deep expertise in correspondent banking and interbank payment networks, helping shape the systems that enable banks and businesses to move money globally with speed, transparency, and reliability. You’ll regularly contribute to technical discussions, architecture reviews, and strategic planning across teams.

Our Partner Cash Management team builds and maintains the infrastructure that enables banks to fund, hold, and manage liquidity within interbank payment networks. Our platform helps partners optimise liquidity, support seamless payments, and manage foreign exchange (FX) exposure at scale. As a Software Product Engineer, you’ll play a critical role in evolving this platform to support the next generation of global financial partnerships.

We’re looking for someone who:

  • 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 will you 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

What do you need?

  • 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

What do we offer:

Wise Benefits

Senior Product Engineer II: Global Payments Platform employer: Wise

At Wise, we pride ourselves on fostering a collaborative and innovative work culture that empowers our employees to thrive. As a Senior Product Engineer II, you will not only contribute to cutting-edge technology in the global payments space but also enjoy ample opportunities for professional growth through mentorship and cross-team initiatives. Our commitment to transparency and shared ownership ensures that every team member plays a vital role in shaping the future of financial partnerships, all while working in a dynamic environment that values curiosity and excellence.

Wise

Contact Details:

Wise Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Senior Product Engineer II: Global Payments Platform

Tip Number 1

Network like a pro! Attend industry meetups, webinars, or tech conferences where you can connect with folks in the payments and engineering space. You never know who might be looking for someone just like you!

Tip Number 2

Show off your skills! Create a portfolio showcasing your projects, especially those involving Java, Spring Boot, or event-driven systems. This gives potential employers a taste of what you can do beyond your CV.

Tip Number 3

Don’t shy away from reaching out directly! If you see a role that excites you, drop a message to someone in the company or even the hiring manager. A personal touch can make all the difference.

Tip Number 4

Apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, it shows you’re genuinely interested in being part of the Wise team.

We think you need these skills to ace Senior Product Engineer II: Global Payments Platform

Java
Spring Boot
Kafka
PostgreSQL
Microservices Architecture
Distributed Systems
Event-Driven Systems

Some tips for your application 🫡

Tailor Your CV:Make sure your CV reflects the skills and experiences that align with the Senior Product Engineer II role. Highlight your expertise in Java, Spring Boot, and distributed systems to catch our eye!

Craft a Compelling Cover Letter:Use your cover letter to tell us why you're passionate about the role and how your background makes you a perfect fit. Share specific examples of your work with microservices and event-driven architectures.

Showcase Your Technical Leadership:We love seeing candidates who can lead and mentor others. Include any experiences where you've influenced architecture decisions or helped teams adopt best practices in your application.

Apply Through Our Website:For the best chance of getting noticed, apply directly through our website. It helps us keep track of your application and ensures it reaches the right people quickly!

How to prepare for a job interview at Wise

Know Your Tech Stack Inside Out

Make sure you’re well-versed in Java, Spring Boot, Kafka, and PostgreSQL. Brush up on your knowledge of these technologies and be ready to discuss how you've used them in past projects. Prepare specific examples that showcase your experience with large-scale distributed systems and microservices architectures.

Demonstrate Your Problem-Solving Skills

Be prepared to tackle technical challenges during the interview. Think through potential scenarios related to system architecture or database optimisation, and explain your thought process clearly. This will show your ability to think critically and solve complex problems, which is crucial for this role.

Showcase Your Leadership Experience

Since this role involves mentoring and influencing teams, come equipped with examples of how you've led projects or guided colleagues in the past. Highlight any instances where you’ve raised engineering standards or contributed to cross-team initiatives, as this aligns with what they’re looking for.

Communicate Effectively

Practice explaining technical concepts in a way that’s accessible to non-technical stakeholders. This is key for collaboration across teams. During the interview, focus on clear communication and ensure you can articulate your ideas and experiences without getting too bogged down in jargon.