Senior Java Engineer — Lead Modern JVM & Mentoring (In-Office 4x/wk)
Summary
Senior Java engineer in London (in-office 4 days/week) leading a migration from legacy code to a modern JVM stack, delivering greenfield services, and mentoring a .NET team transitioning to Java. Core stack: Java 25, Micronaut, Netty, PostgreSQL via JDBI, RabbitMQ, hexagonal architecture and DDD.
Tech Talent ID is seeking a Senior Java Engineer to transform the tech stack, drive design, build and deliver greenfield services, and mentor a small team transitioning to Java. You will lead the shift from Legacy code to modern JVM technologies, establish reference architectures, and guide the engineering group.
The role focuses on modern Java (Java 25), Micronaut, Netty, PostgreSQL via JDBI, HEXagonal architecture, DDD, and RabbitMQ messaging, with production ownership and mentorship of .NET