Senior Fullstack Java Developer working with Spring & Angular at ONTEC. Engage in modern software projects with international customers, ensuring innovative solutions alongside a passionate team.
About the role
- Senior Java Developer developing event-driven microservices for maritime surveillance technology. Focusing on scalable systems and API development within a hybrid work environment.
Responsibilities
- Design, implement, and maintain ~50+ Java Spring Boot microservices forming the core of our event-driven platform.
- Build scalable message processing pipelines consuming RabbitMQ queues carrying AIS and other sensor data.
- Optimise services for throughput, reliability, horizontal scaling, and low-latency processing.
- Implement robust CRUD REST APIs for internal and customer-facing features of the MDA system.
- Ensure API consistency, predictability, versioning, and documentation.
- Collaborate closely with UI teams to define data models and integration flows.
- Model relational data structures optimised for high-ingest, analytical workloads.
- Write efficient SQL queries, schema migrations, and performance optimisations.
- Ensure data correctness under concurrent, distributed write loads.
- Contribute to system architecture design and long-term platform evolution.
- Promote best practices around testing, code quality, monitoring, and observability.
- Mentor mid-level and junior engineers and provide guidance on coding standards and design patterns.
Requirements
- Strong experience building production back-end systems.
- Strong expertise in Java and Spring Boot.
- Experience with event-driven architectures and message brokers (RabbitMQ or similar).
- Proficiency with MariaDB, MySQL or other RDBMS, including schema design and SQL optimisation.
- Solid understanding of distributed systems concepts.
- Experience designing and implementing REST APIs.
- Familiarity with containerised deployment, specifically Docker (we do not use Kubernetes).
- Strong debugging skills in complex, multi-service environments.
- Excellent communication skills and ability to work with cross-functional teams.
Benefits
- Matched pension contributions up to 5%
- 25 days annual leave (rising to 28 with service)
- Private health care
- Flexible working opportunities
- Development and training programmes
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
No Education Requirement
Tech skills
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