Java Software Engineer Java, Integration, Kafka
?? Location: London, United Kingdom (Hybrid - Minimum 2 days onsite/week)?? Start Date: Immediate?? Engagement Type: Contract - Outside IR35 , 12-month initial term (with potential for extension or permanent employment)�? Industry: Financial Services / Technology Consulting
About the RoleWe are seeking a highly skilled Backend Engineer to join a newly established Centre of Excellence (CoE) focused on delivering secure, scalable, and production-grade digital solutions for the financial services sector.
This is a hands-on engineering role ideal for someone with deep expertise in Java, Spring Boot, and secure API design , and who thrives in fast-paced, client-facing environments. The successful candidate will play a key role in shaping backend architecture, driving secure service delivery, and contributing to engineering standards across engagements.
Key Responsibilities- Design and develop backend services using Java and Spring Boot
- Architect and implement secure APIs using OAuth2, FAPI, OpenID Connect
- Ensure backend services are performant, scalable, and resilient
- Collaborate with frontend, DevOps, and QA teams to deliver integrated solutions
- Participate in architecture reviews, technical design sessions, and stakeholder workshops
- Champion modern engineering practices including Agile , CI/CD , and DevSecOps
- Contribute to the development of reusable backend assets and CoE standards
- Extensive hands-on experience with Java and Spring Boot in enterprise environments
- Proven expertise in designing and delivering secure APIs (OAuth2, FAPI, OpenID Connect)
- Strong understanding of microservices architecture and distributed systems
- Experience working in regulated environments (banking, fintech, insurance)
- Familiarity with CI/CD pipelines , Docker , and cloud platforms (e.g., AWS, Azure)
- Excellent communication and stakeholder engagement skills
- Experience working in or contributing to a Centre of Excellence team
- Consulting experience or a strong consulting mindset is highly desirable
- Experience with event-driven architectures and messaging systems (e.g., Kafka)
- Exposure to Infrastructure as Code (e.g., Terraform, Ansible)
- Familiarity with observability tools and performance tuning
- Ability to mentor junior engineers and lead backend design initiatives
- Outside IR35
- 12-month initial contract with potential for extension or permanent employment
- Hybrid working model: minimum 2 days onsite in London, with flexibility to travel to other UK client sites as required
- Part of a long-term strategic capability within a joint consulting and technology delivery partnership
- This is a strategic, reusable engineering role
- A high-impact role within a purpose-built Centre of Excellence
- Opportunities to work on complex, high-value projects in the financial services sector
- A collaborative, delivery-focused culture committed to engineering excellence
- Long-term career development within a respected and expanding consulting capability
?? Interested? Apply now or reach out directly for a confidential conversation.
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