Senior Java Developer
You will work with Java, Python, microservices, REST APIs, Apache Kafka, AWS Aurora PostgreSQL, Docker, Kubernetes, Grafana, Prometheus, and Dynatrace. You will join an Agile engineering team building secure, highly available, scalable microservices and event-driven API platforms. The role includes mentoring junior engineers.
Free Tailor for ATS: 10/10 runs left
Senior Java/Python Engineer – SC Cleared
Location: UK – Hybrid, 2 days onsite
Clearance: Active SC Clearance required
Contract: Contract
Role: Senior Java/Python Engineer
We are looking for an experienced Senior Java/Python Engineer to join a high-performing Agile engineering team delivering secure, highly available and scalable microservices and API platforms.
You will be hands-on with modern engineering technologies, working across microservices, APIs, Kafka, cloud databases, containers and observability, while also providing technical leadership and mentoring junior engineers.
Key Responsibilities
Design and develop scalable Java/Python microservices and REST APIs.
Build and operate event-driven solutions using Apache Kafka.
Design and optimise AWS Aurora PostgreSQL databases and data platforms.
Deploy and support applications using Docker and Kubernetes.
Develop API integrations using REST, JSON and modern API design practices.
Implement resilient systems with appropriate retry, timeout and error-handling mechanisms.
Work with monitoring and observability tools including Grafana, Prometheus and Dynatrace.
Provide hands-on production support, troubleshooting and root cause analysis.
Support P1/P2 incidents within a 24x7 support environment.
Contribute to technical architecture, engineering standards and documentation.
Mentor junior engineers and promote Agile engineering best practices.
Essential Skills
Strong hands-on Java and/or Python development experience.
Advanced SQL.
Strong Apache Kafka experience.
Experience with AWS Aurora / PostgreSQL.
Production experience with Docker and Kubernetes.
Strong REST API and microservices experience.
Experience with Grafana, Prometheus or Dynatrace.
Strong debugging, troubleshooting and problem-solving skills.
Experience working with highly available and scalable systems.
Experience with API resilience, retries, timeouts and idempotency.
Strong communication and stakeholder management skills.
Desirable
OpenAPI / Swagger
OAuth2 / token-based authentication
API gateways
Event-driven architecture
Data observability
Public sector or regulated environment experience
Data security and privacy
What We're Looking For
We're looking for someone who is genuinely hands-on, enjoys solving complex technical problems and can work effectively within a multidisciplinary Agile team. You should also be comfortable providing technical guidance and mentoring less experienced engineers.
Security: Active SC Clearance is essential.
If you're an experienced Java/Python Engineer looking for your next challenging opportunity working with modern microservices, Kafka, Kubernetes and cloud technologies, we'd love to hear from you.