8 hours ago
London, United KingdomSenior
Responsibilities
- Design, develop, test, and maintain Java and Kotlin backend services using Spring Boot on AWS.
- Build and maintain RESTful APIs serving millions of customers across web and mobile platforms.
- Develop and optimize card pay-in services handling approximately £1 billion in monthly customer payments.
- Design database schemas and optimize SQL queries for high-volume PostgreSQL transactional systems.
- Build and maintain Apache Kafka event-driven architectures for asynchronous financial-event processing.
- Develop payment orchestration that routes payments across Payment Service Providers for cost and reliability optimization.
- Write unit, integration, and end-to-end automated tests for financial systems.
- Conduct code reviews and uphold code quality, security, and engineering standards.
- Participate in on-call rotations for Tier 2 production incidents.
- Collaborate with product managers, designers, analysts, and engineers on cross-functional projects.
- Resolve performance bottlenecks, scalability issues, and technical debt.
- Apply security best practices for sensitive financial data and regulatory compliance.
Requirements
- Experience building backend services and APIs with Java, Kotlin, and Spring Boot.
- Experience designing high-volume transactional database schemas and optimizing SQL queries.
- Experience with event-driven architectures and distributed services, including Apache Kafka.
- Ability to build reliable payment or financial systems and address scalability and performance challenges.
- Ability to write automated unit, integration, and end-to-end tests.
- Ability to conduct code reviews and follow security and engineering standards.
- Ability to participate in production on-call support for critical services.
- Candidates must be local because relocation support is not provided.
Benefits
- Local candidates may receive support for transfer of visa sponsorship.
- Compensation is GBP 87,500–111,000 yearly.
- The role is part of an international, diverse, equitable, and inclusive team.
Tech Stack
Categories
About Wise
Wise builds a cross-border payments and multi-currency account used by individuals and businesses to send, receive, hold, and spend money in 40+ currencies. Revenue comes from transfer and account fees, card interchange, and enterprise partnerships via Wise Platform, which lets banks and large companies embed its international payments. Founded in 2011 as TransferWise, Wise is a London-headquartered public company.