Senior Backend Engineer - Payin Platform

**Senior Backend Engineer - Payin Platform at Wise in London, United Kingdom** **What you'll do** - Design, develop, and maintain backend services in Java and Kotlin using Spring Boot - Build RESTful APIs serving millions of customers across web and mobile platforms - Develop services for card pay-in payment method handling £1 billion monthly - Implement event-driven architectures using Apache Kafka for financial events **What they're looking for** - Experience with Java, Kotlin, Spring Boot, and cloud infrastructure (AWS) - Skills in database schema design, SQL optimization, and PostgreSQL - Knowledge of payment orchestration systems and routing across providers - Ability to write automated tests and conduct code reviews **Details** - Location: London, United Kingdom - Type: Full-time - Salary: null