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Job Description

Senior Java Developer (Kafka / AWS / Kubernetes)

Location: Canary Wharf, London – 3 days onsite / 2 days remote

Rate: £750–£775 per day (Inside IR35)

Contract Length: 12 Months

The Role

We are seeking an experienced Senior Java Developer to join a high-performing engineering team delivering critical platforms within a fast-paced financial services environment. This role is ideal for a hands-on engineer who thrives in modern cloud- architectures and has deep domain knowledge within Retail Banking, Payments, or FinTech (mandatory).

You’ll be working on large-scale, distributed systems handling high-volume transactions, helping to design, build, and enhance resilient microservices and event-driven platforms.

Key Responsibilities

Design and develop scalable, high-availability Java microservices Build and maintain event-driven architectures using Kafka Develop and deploy cloud- solutions on AWS Containerise and orchestrate services using Kubernetes Collaborate with architects, DevOps, and product teams to deliver end-to-end solutions Ensure code quality through best practices, testing, and code reviews Contribute to system design, performance tuning, and reliability improvements

Mandatory Experience

10+ years of commercial software engineering experience Proven experience within Retail Banking, Payments, or FinTech Expert-level Java development (Java 11+ ) Strong experience with Apache Kafka Hands-on experience with AWS (e.g., ECS/EKS, Lambda, S3, RDS, etc.) Experience with Kubernetes and containerisation (Docker) Strong background in microservices and distributed systems Experience working in Agile delivery environments

Desirable Skills

Infrastructure as Code (Terraform or CloudFormation) CI/CD pipelines and DevOps practices Observability tooling (Prometheus, Grafana, ELK, etc.) Experience with high-throughput, low-latency systems

Working Arrangement

Hybrid: 3 days per week onsite in Canary Wharf, 2 days remote Contract: 12 months Rate: £750–£775 per day (Inside IR35)

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