Senior Backend Engineer

We are seeking an experienced Senior or Principal Backend Engineer for a freelance assignment supporting a leading banking platform. This role focuses on designing, building, and maintaining secure Java/Spring Boot microservices that power critical financial operations. Assignment Details Contract: 6 months (extensions possible) Location: Amsterdam ( hybrid) Immediate interviews available Key Responsibilities Design and implement Java/Spring Boot microservices for high-security banking systems Maintain architectural standards and ensure system reliability, scalability, and security Collaborate with cross-functional teams to define and implement backend solutions Manage CI/CD pipelines using Maven and GitHub Actions Provide mentorship and technical guidance to junior engineers Candidate Profile Extensive experience in Java, Spring Boot, and microservices architecture Hands-on knowledge of CI/CD tools and version control systems (GitHub Actions) Strong understanding of backend design principles, security, and scalability Comfortable working in a hybrid setup across Amsterdam