Software Engineers - Java/AWS (Mid to Lead Level) Location: London Type: Permanent Working Pattern: 4xFlex, 37.5 hours per week We are currently working with a client in the Aerospace & Defence sector who are expanding their London-based team and are looking to hire Software Engineers (Java/AWS) at mid to lead level. This opportunity sits across a range of Defence, Cyber and Intelligence programmes, focused on developing secure, cloud-based solutions within mission-critical environments. A key requirement for this position is the ability to obtain and maintain high-level security clearance. If you do not currently hold this, support will be provided throughout the application process. The Role: You will work under the guidance of a Software Engineering Lead or, at senior level, take on additional responsibility for technical delivery and supporting wider engineering activities. You may specialise in a particular area or work across multiple disciplines, with a strong focus on the Cyber domain. Typical responsibilities include: Conducting software development activities and contributing to technical delivery Designing and developing tests to debug and validate software Working with customer requirements to develop mission/business applications Supporting the full software development lifecycle using appropriate tools, standards and processes Analysing system capabilities and resolving technical queries Correcting program errors and maintaining documentation Preparing operating instructions and technical documentation Championing automation through Infrastructure as Code (IaC), CI/CD and test automation Skills & Experience: Strong proficiency in Java Knowledge of additional languages such as Python, C++, JavaScript, TypeScript or React (desirable) Experience developing software for cloud environments, particularly AWS Understanding of microservices and/or serverless architectures Familiarity with CI/CD pipelines for cloud deployments Awareness of challenges when migrating on-premise workloads to the cloud Knowledge of AWS services such as EC2, EKS, Fargate, IAM, S3 and Lambda Experience working in Linux environments Understanding of unit testing and mocking frameworks (e.g. JUnit 5) Experience with Git version control Knowledge of Agile development methodologies (SCRUM) Understanding of relational databases (e.g. Oracle) and/or MongoDB Familiarity with GitLab CI/CD pipelines Experience using Atlassian tools (Bitbucket, Jira, Confluence) Understanding of Elasticsearch, Kibana and Hibernate Desirable Certifications: Oracle Java Certification / AWS Certification / ISTQB Certification / OSCP Certification / CCNA Certification PLEASE NOTE: eDV clearance is required to start. The process can take up to 18 months Omega is an employment agency specialising in opportunities at all levels within the Engineering, Manufacturing, Aerospace, Automotive, Electronics, Defence, Scientific, Energy & Renewables and Tech sectors