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. Skills: java kotlin aws senior developer engineer Benefits: Work From Home