Senior Software Developer

• Develop and maintain software products for digital services and contribute to solution design
• Build Back End services using Java (8+), NodeJS, and Spring Boot
• Build and maintain Front End components and UIs, translating designs into practical implementations while considering performance and security
• Work with cloud-based environments such as AWS and Azure
• Develop against APIs, RESTful services, and microservice architectures
• Use containerisation tools such as Docker and Kubernetes
• Build and maintain a robust automated test suite to support continuous integration
• Follow code quality standards (eg, unit test coverage expectations) and contribute to consistent engineering practices
• Work within Agile ceremonies, break down requirements into delivery items, estimate effort, and collaborate closely with BA/DevOps/QA
• Deliver accessible experiences ensuring WCAG 2.2 AAA compliance expectations are met where applicable

• Full-stack software development capability (Back End, databases, and Front End user interfaces)
• Recent hands-on experience with Java (8+), Node.js, and Spring Boot
• Experience developing in cloud environments (AWS and/or Azure)
• Strong knowledge of SQL and NoSQL databases such as Postgres, MySQL, MongoDB, and Oracle
• Hands-on experience with Docker and Kubernetes
• Ability to build automated test suites to support CI/CD
• Knowledge and experience of APIs, RESTful services, and microservice architectures
• Awareness of accessibility expectations, including WCAG 2.2 AAA where required
• Strong Agile delivery experience and collaborative working in multi-disciplinary teams

Desirable skills/knowledge/experience:

• Experience with event driven architectures (eg Kafka)
• Exposure to ETL processes or integration with external systems
• Familiarity with code quality tools such as SonarQube
• Experience developing accessible digital services
• Exposure to cloud-native services (eg, serverless patterns) and integration workflows (including ETL/RPA interactions where relevant)
• Exposure to AI/ML-enabled development, including LLMs, context and guardrails-style validation/testing, and model deployment/maintenance concepts
• Strong communication skills and ability to work effectively in a hybrid environment

England - £400 - £430 p/d via Umbrella Contract Posted by: LA International Computer Consultants Ltd Posted: Wednesday, 18 March 2026 Applicants who require a work visa considered

Senior Software Developer 6 Month contract initially Based: Remote (Occasional travel to Newcastle or London, Leeds, Manchester, Blackpool, Sheffield = Flexible) £400 - £430 p/d via Umbrella

LA International is an award-winning partner of choice for many of the world's most influential companies and government organisations. Holding Enhanced Government Security Accreditation, we are recognised as the European market leader in the delivery of Security Cleared talent to organisations that demand the very highest levels of security, compliance and assurance.