Senior Backend Engineer II - Partner Platform

Wise; Greater London; On-site; GBP 111,000 - 145,000; Full time

Job summary

Wise in London seeks a Senior Backend Engineer II for the Partner Experience team. You will design and build backend microservices and RBAC for the partner portal, with SSO integration and enterprise-facing features.

You’ll collaborate across teams to ensure reliable, compliant, and scalable integrations for enterprise partners. You will work on new systems from scratch, focusing on maintainability, security, and performance while solving complex domain challenges in a fast-paced, global fintech

Qualifications

• Experience designing, building, and deploying backend microservices in Java and Spring Boot.
• Familiarity with domain-driven design, event-driven architecture, and microservices patterns.
• Experience designing RESTful APIs with OpenAPI/Swagger, OAuth2, and versioning strategies.
• Ability to design and maintain relational databases (MySQL, PostgreSQL), including indexing and data modelling.

Responsibilities

• Backend microservices for partner-facing features: fraud reporting, case management, RFI handling, audit logging, and transaction visibility.
• The permissions and role-based access control system that governs what partners can do in the portal.
• SSO (SAML 2.0) integration for enterprise partners, including identity mapping between partner systems and Wise.
• The communication layer services between Wise and partners, extending them to handle new case types and workflows.
• API design for partner-facing endpoints with emphasis on consistency and good documentation.
• Work with FinCrime, Compliance, and KYC teams to bring sanctions RFI workflows and fraud reporting into the portal.
• Technical discovery: mapping existing systems, evaluating dependencies, producing design documents that become the team's source of truth.
• Production support and debugging when live partner issues occur.

Skills

Java

Spring Boot

Domain-driven design

Event-driven architecture

Microservices patterns

RESTful APIs

OpenAPI

OAuth2

Documentation

Tools

MySQL

PostgreSQL

Kafka

SAML

SSO

Job description

Wise in London seeks a Senior Backend Engineer II for the Partner Experience team. You will design and build backend microservices and RBAC for the partner portal, with SSO integration and enterprise-facing features.

You’ll collaborate across teams to ensure reliable, compliant, and scalable integrations for enterprise partners. You will work on new systems from scratch, focusing on maintainability, security, and performance while solving complex domain challenges in a fast-paced, global fintech