Senior API Product Engineer - Wise Platform at Wise

✨ The Stack take on this Wise job

• 🏢 Wise has 47 jobs here, 45 with visa sponsorship see all
• 🛂 Skilled Worker visa. Standard minimum salary: £41,700 a year guide
• 💡 No salary shown. Ask Wise if it is above the minimum.

Updated 2026-11-03, from our data and official sources.

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About the role

Responsibilities:
- Architect, build and maintain scalable backend services (Java, Spring Boot) in an event-driven microservices environment.
- Own API product standards (REST, OpenAPI/Swagger, OAuth2) and build developer tools, SDKs and reference implementations to simplify partner integrations.
- Provide technical leadership: run design reviews, mentor engineers, and promote DDD and API best practices.
- Collaborate with Product, Solutions and partner teams to define features, ensure security and optimise developer experience.
- Drive cross-organisational alignment on API patterns, reliability and performance for public-facing integrations.

Requirements:
- Proven experience designing, shipping and operating production-grade public APIs (OpenAPI/Swagger, OAuth2 preferred).
- Deep experience with Java and Spring Boot for backend services and familiarity with event-driven messaging (Kafka or similar).
- Strong relational database design and optimisation skills (PostgreSQL or equivalent).
- Knowledge of distributed systems, DDD and building for high availability, low latency and security.
- Demonstrated ability to lead technical decisions, mentor teams and work across global hubs; occasional travel to partner offices may be required.

Responsibilities

You will architect and maintain highly scalable backend microservices while setting API standards and building developer-friendly tools. Additionally, you will provide technical leadership and collaborate across cross-functional teams to ensure seamless integration for global partners.

Requirements

Candidates must have extensive experience in building production-grade public APIs and resilient backend microservices using Java and Spring Boot. Proficiency in distributed systems, event-driven architecture, and domain-driven design is essential for this role.

Key skills

• Java — in 347 other listings on The Stack
• Spring Boot — in 144 other listings on The Stack
• Kafka — in 167 other listings on The Stack
• PostgreSQL — in 290 other listings on The Stack
• RESTful APIs — in 62 other listings on The Stack
• OpenAPI — in 6 other listings on The Stack
• Swagger — in 11 other listings on The Stack
• OAuth2 — in 7 other listings on The Stack
• Microservices
• Domain-driven design
• Distributed systems
• System architecture
• API design
• Technical leadership
• Mentorship
• Financial technology

On The Stack (as of 2026-11-03)

• Wise has 46 other listings on The Stack, 44 of them marked as offering visa sponsorship.
• 209 visa-sponsored jobs in the United Kingdom on The Stack, posted in the last 60 days.

Frequently asked questions about Wise

Is this Senior API Product Engineer - Wise Platform role still open?

It was posted on 2026-09-15. Listings more than 30 days old may no longer be active, so check Wise's site before applying.

Does Wise offer visa sponsorship?

This listing is marked as offering visa sponsorship. Eligibility rules are set by the employer, so check the details on Wise's site.

Where is this role located?

The listing gives the location as London, United Kingdom. It is marked hybrid.

What skills does this role ask for?

The listing names: Java, Spring Boot, Kafka, PostgreSQL, RESTful APIs, OpenAPI, Swagger, OAuth2, Microservices, Domain-driven design, Distributed systems, System architecture, API design, Technical leadership, Mentorship, Financial technology.