Principal Backend Engineer Java Spring Boot AWS

In this role you lead the design and delivery of high-impact technology projects for clients in financial services, combining hands-on Java work with technical leadership. You help modernise legacy systems, migrate to AWS, and elevate CI/CD and cloud deployment practices. You’ll work with a collaborative team focused on engineering excellence to deliver meaningful client outcomes. This position offers a hybrid London-based work setup and opportunities to shape transformation at scale.

• Pension
• Life Assurance
• Income Protection
• Private medical care for you and your family
• Travel Insurance
• Charitable giving? (Charitable giving)

• Lead technical projects and client engagements from design through delivery
• Develop scalable Java applications using Spring Boot and microservices
• Modernise and migrate legacy systems to AWS
• Design and work with REST APIs and distributed systems
• Introduce and improve CI/CD and DevOps practices
• Provide technical expertise and guidance to clients and engineering teams

• Experience in financial services or Fintech environments
• Strong Java development skills including multi-threading and concurrency
• Experience with Spring Boot and microservices
• Strong Kafka experience
• Knowledge of REST APIs
• Knowledge of AWS
• Fundamentals in OOP, data structures, and design patterns
• Familiarity with DevOps and CI/CD pipelines
• Collaborative, problem-solving, client-facing mindset

• collaborative
• problem solving
• client interaction
• Java (Spring Boot)
• Kafka
• AWS