Location: London (3 days onsite / 2 days remote)
Contract: 6–12 month rolling contract
Start: Immediate / ASAP
Overview
We are seeking five Senior Java Engineers to join a high-performing engineering team within a leading financial services organisation. You will be working on large-scale, distributed systems supporting critical trading and financial platforms.
This is a hands‑on engineering role requiring strong backend development experience in modern Java ecosystems, with a focus on scalable, event‑driven architectures.
Key Responsibilities
* Design, build, and maintain scalable backend services using Java (11+)
* Develop microservices using Spring Boot
* Build and maintain event‑driven systems using Apache Kafka
* Deploy and operate services on AWS cloud infrastructure
* Collaborate with architects, product owners, and other engineers in an Agile environment
* Ensure high standards of code quality, testing, and system reliability
* Support production systems and participate in on‑call rotations where required
Key Skills & Experience
* Strong commercial experience as a Senior Java Engineer
* Extensive experience with Java (11 or higher) and Spring Boot
* Strong hands‑on experience with Apache Kafka (stream processing, event‑driven architecture)
* Proven experience working on AWS (e.g., EC2, ECS, S3, Lambda, RDS, CloudWatch)
* Background in financial services (essential) – banking, trading, investment, or fintech environments
* Experience with microservices architecture and distributed systems
* Strong understanding of RESTful APIs and messaging systems
* Experience with CI/CD pipelines and DevOps practices
* Comfortable working in an Inside IR35 contract environment
Nice to Have
* Experience with Kubernetes / Docker
* Exposure to real‑time trading systems or low‑latency platforms
* Knowledge of Terraform or Infrastructure as Code
* Experience with observability tools (Prometheus, Grafana, ELK stack)
Additional Information
* Hybrid working model: 3 days per week in London office
* 6–12 month initial contract with strong likelihood of extension
* Working within a fast‑paced, high‑availability financial environment
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