Staff Java Engineer

Salary: £30,000 - 60,000 per year

Requirements

• Strong commercial experience as a Senior Java Engineer
• Deep knowledge of modern Java (Java 11+)
• Hands-on experience building and running systems on AWS
• Experience with microservices, REST APIs, and distributed architectures
• Solid understanding of databases (SQL and/or NoSQL)
• Comfortable working in CI/CD-driven environments
• Proactive mindset and strong problem-solving skills
• Nice to have:
• Experience with Spring/Spring Boot
• Infrastructure as Code (Terraform, CloudFormation)
• Containerization (Docker, Kubernetes)
• Experience in high-throughput or mission-critical systems

Responsibilities

• Designing, building, and maintaining scalable backend services using Java
• Working heavily with AWS (e.g. EC2, ECS/EKS, Lambda, S3, RDS, CloudWatch)
• Contributing to system design discussions and technical decision-making
• Improving performance, reliability, and observability of distributed systems
• Collaborating closely with product, DevOps, and engineering peers
• Mentoring more junior engineers and setting best practices

Technologies

• AWS
• Lambda
• Backend
• CI/CD
• Cloud
• CloudWatch
• DevOps
• Docker
• EC2
• Java
• Kubernetes
• NoSQL
• REST
• SQL
• Spring
• Spring Boot
• Terraform
• microservices

More

We are looking for a Staff Java Engineer to play a key role in designing and delivering high-performance backend services in a cloud-first environment. This is an opportunity to work on meaningful, production-critical systems alongside experienced engineers who care about quality, scalability, and clean design. Our team is flexible by default; you are welcome to work fully remote or take advantage of our excellent office in Belfast if you prefer a hybrid setup. Theres no fixed expectation; its about what works best for you. We offer a supportive environment where you can own your projects and tackle technical challenges.

last updated 15 week of 2026