Principal Backend Engineer - Java Location: London (Hybrid) | Type: Permanent The Role Capco is growing our Engineering team - and we''re looking for experienced Principal Backend Engineers with strong Java skills and a passion for delivering innovative solutions in financial services. If you enjoy solving complex problems, working with cloud-native technologies, and collaborating in agile teams, we''d love to hear from you. As a Principal Backend Engineer at Capco, you''ll contribute to high-impact, client-facing projects that shape the future of financial services. You''ll work alongside talented engineers, have access to industry-leading training, and get the opportunity to grow your skills across multiple platforms. You will also get the chance to work across different domains within FS andamp; Energy. What You''ll Do Build and deliver scalable Back End services using Java (11, 17+) Design and implement APIs and microservices for enterprise systems Work across cloud platforms, particularly AWS, using best practice deployment techniques Contribute to architecture discussions and solution design Develop robust test coverage including unit, integration, and performance testing Collaborate in agile teams alongside clients, product managers, and other engineers What We''re Looking For Java Development - Expertise in Java 11, 17 and above. Spring Boot - Proficiency with the Spring Boot framework. Cloud Services - Deep understanding of deploying enterprise level software into