Senior Software Engineer - (Java / AWS)

Belfast | Hybrid | Full-Time

At a glance

• Senior backend role with real ownership
• Java and Kotlin microservices in a cloud native environment
• Hybrid working in Belfast
• Salary up to £70k plus bonus

The Role

As a Senior Software Engineer, you'll play a key role in designing, developing and owning modern backend solutions while contributing to the evolution of monolithic systems into cloud-native microservices architecture.

You will work closely with the Engineering team across Belfast and the wider global engineering organisation, contributing to large scale distributed systems.

This role offers a strong mix of hands-on development, architectural decision making and mentorship.

What you will be doing

• Design, build and deliver high-quality backend solutions
• Advocate for TDD / BDD and engineering best practice
• Decompose complex monolith applications into scalable microservices
• Develop secure, resilient RESTful APIs (security-first mindset)
• Collaborate with Senior, Staff and Principal Engineers globally
• Contribute to monitoring, alerting and production stability
• Participate in on-call rotation
• Coach and mentor junior engineers
• Drive engineering standards and continuous improvement

What you'll need:

• 5+ years' backend engineering experience
• Strong Java or Kotlin expertise
• Experience building scalable microservices in cloud-native environments
• REST API development experience
• Solid understanding of SOLID principles and design patterns
• Experience with relational databases (e.g. MySQL)
• CI/CD experience (Jenkins or similar)
• Experience working in Agile/Scrum teams
• Strong communication and problem-solving skills

Nice to Have

• Experience with NoSQL (DynamoDB, Elasticsearch, MongoDB)
• Event-driven architecture (Kafka, RabbitMQ)
• Infrastructure as Code (Terraform, CloudFormation, SAM)
• Scripting (Bash)
• level and above
• Excellent problem solving and communication skills

What's on offer

• Competitive salary up to £70k plus bonus
• Generous benefits package
• Hybrid working with a modern Belfast office
• Clear progression opportunities within a global engineering function

For more information on this opportunity, connect with Neill Ferguson on LinkedIn or submit your CV via the link below.