Software Engineer III (Java & JavaScript)

Salary: £65,000 - 105,000 per year

Requirements:

• Proficiency with data manipulation languages and understanding of data modelling principles, complex data models, and data storage subsystems.
• Proficiency in development languages and technologies including Java/J2EE, JavaScript, JSP, HTML, Node.js, React, XML, SQL, Windows, and UNIX.
• Experience with Keycloak, Auth0, or another identity provider, including realm configuration, authentication flows, and OIDC client setup.
• Knowledge of software development methodologies, such as Agile and Waterfall, and test-driven development.
• Familiarity with code coverage and industry best practices, and the ability to write and review detailed specifications for moderately complex system components.
• Ability to complete moderately complex bug fixes and work effectively with internal and external technology resources.
• Preferred: experience using AI-assisted development tools, such as Claude, GitHub Copilot, or Codex, for test authoring, stub generation, coverage analysis, or investigating test output, with appropriate review and validation.
• Preferred: experience with Terraform or another infrastructure-as-code tool, including reading infrastructure definitions and understanding how configuration changes affect system behavior and test coverage.
• Preferred: experience working with Docker and Kubernetes.

Responsibilities:

• Interface with technical personnel and team members to finalize requirements.
• Write and review portions of detailed specifications for moderately complex system components.
• Collaborate with development team members to understand product requirements and translate them into software designs.
• Implement development processes and coding best practices, and participate in code reviews.
• Collaborate with stakeholders across development environments, including Agile and Waterfall.
• Use GitHub workflows, pull requests, and issue tracking to collaborate with distributed or co-located teams.
• Resolve technical issues and complete bug fixes.
• Keep abreast of new technology developments.

Technologies:

• AI
• AWS
• CI/CD
• Copilot
• Docker
• GitHub
• JSP
• Java
• JavaScript
• Kubernetes
• React
• SQL
• Terraform
• Unix
• Windows
• XML
• Java EE
• NodeJS
• Cloud
• Flow
• Support

More:

Join our Identity & Access Management team, which owns the authentication and authorization infrastructure supporting Elseviers global product suite. We build and operate a highly available identity platform integrating multiple identity providers, entitlement services, and downstream APIs on AWS ECS and EKS. In this Software Engineer III role, you will undertake moderately difficult research, design, and software development assignments, working independently on defined tasks and contributing to scalable, high-performance applications. We value code quality, testing, CI/CD practices, GitHub-based collaboration, and working effectively in an Agile environment; our teams are also adopting AI-assisted development workflows. We foster innovation, collaboration, and work-life balance, with flexible working hours, wellbeing initiatives, shared parental leave, study assistance, and sabbaticals. Our benefits include a pension plan, vacation entitlement, family-care leave, a personal choice budget, employee communities and networks, discounts, an employee referral reward, and an Employee Assistance Program; benefits may vary by location. We are a global information and analytics company supporting researchers and healthcare professionals through information, data, and analytics. The role is full time and based at London Wall.

last updated 40 week of 2026