Senior Java Developer (AWS) – Finance | Inside IR35 | Canary Wharf (Hybrid)
Location: Canary Wharf, London – 3 days onsite / 2 days remote
Contract: Initial 6 months (likely extension)
The Role
We’re looking for an experienced Senior Java Developer to join a high-performing engineering team within a leading financial services organisation. You’ll help design, build, and scale mission-critical systems in a cloud-native environment, working on high-volume, low-latency platforms that support core trading and financial operations.
This role is ideal for someone who enjoys solving complex engineering challenges, influencing architecture, and working closely with product, DevOps, and platform teams in an agile environment.
Key Responsibilities
- Design and develop high-quality, scalable Java services and APIs
- Build and enhance cloud-native applications on AWS
- Drive best practices in clean code, testing, and CI/CD
- Contribute to system architecture and technical decision-making
- Work closely with stakeholders across engineering, DevOps, and product
- Ensure performance, reliability, and security of financial systems
Required Skills & Experience
- Strong commercial experience with Java and Spring Boot
- Solid experience building microservices architectures
- Proven hands-on experience with AWS (e.g. Lambda, ECS/EKS, S3, RDS, SNS/SQS)
- Experience with CI/CD pipelines and DevOps practices
- Strong understanding of distributed systems and system design
- Experience working in financial services / banking / trading environments
- Strong knowledge of RESTful APIs, testing frameworks, and Agile delivery
Nice to Have
- Experience with Kafka or other event-driven technologies
- Infrastructure as Code (Terraform/CloudFormation)
- Exposure to high-throughput or low-latency systems
Working Model
- Hybrid: 3 days onsite in Canary Wharf, 2 days remote
- Collaborative, delivery-focused agile teams
- Fast-paced financial services environment
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