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RELX · London Wall

# Software Engineer III (Java & JavaScript)

London Wall Full-time Software Engineering 

Listed on RELX’s official careers site. Posted September 10, 2026. Check that it is still open and apply there.
[Apply on RELX’s careers site →](https://relx.wd3.myworkdayjobs.com/relx/job/London-Wall/Software-Engineer-III--Java---JavaScript-_R117775-1)

[OpenNash Jobs](https://jobs.opennash.com/) / [RELX](https://jobs.opennash.com/companies/relx/) / Software Engineer III (Java & JavaScript)

## Job description

Software Engineer III (Java & JavaScript) Do you enjoy designing and developing scalable, high-performance applications using Java and JavaScript?

### About the team

You will join the Identity & Access Management team, which owns the authentication and authorisation infrastructure underpinning Elsevier’s global product suite. We build and operate a highly available identity platform that integrates with multiple identity providers, entitlement services, and downstream APIs, running on AWS ECS and EKS.

### About the role

This position performs moderately difficult research, design, and software development assignments within a specific software functional area or product line. The candidate should have the ability to work on individual pieces of work and solve problems, including the design of the program flow of individual pieces of code, effective coding, and unit testing. The ideal candidate has a practical understanding of CI/CD pipelines and a strong commitment to code quality, testing, and collaborating in an Agile environment.

Fluency with GitHub workflows and pull-request-based collaboration is essential. Our teams are increasingly adopting AI-assisted development workflows, and we are particularly interested in engineers who are excited about using AI tools to help design, write, evaluate, and improve software.

### Key Responsibilities

Interface with other technical personnel or team members to finalize requirements. Write and review portions of detailed specifications for the development of system components of moderate complexity. Work closely with other development team members to understand moderately complex product requirements and translate them into software designs. Successfully implement development processes, coding best practices, and code reviews.

Operate in various development environments (Agile, Waterfall, etc.) while collaborating with key stakeholders. Proficiency with GitHub workflows, pull requests, issue tracking, and collaboration in a distributed or co-located team. Resolve technical issues, as necessary. Keep abreast of new technology developments. Complete bug fixes.

### Requirements

Proficiency with data manipulation languages. Understanding of data modelling principles. Ability to work with complex data models. Proficiency in development languages including but not limited to: Java/J2EE, JavaScript, JSP, HTML, Node.js, React, XML, SQL, Windows, UNIX. Experience with Keycloak, Auth0, or another identity provider, including realm configuration, authentication flows, and OIDC client setup. Familiarity with industry best practices — code coverage.

Ability to work well with internal and external technology resources. Ability to write and review portions of detailed specifications for the development of system components of moderate complexity. Knowledge of software development methodologies (e.g., Agile, Waterfall). Knowledge of data manipulation languages. Knowledge of data storage subsystems. Knowledge of test-driven development. Ability to complete moderately complex bug fixes.

Good to Have Experience using AI-assisted development tools, such as Claude, GitHub Copilot, or Codex, for test authoring, stub generation, coverage analysis, or test-output investigation. Experience treating AI-assisted tools as productivity accelerators within a quality engineering workflow while maintaining appropriate review and validation practices. Experience with Terraform or another infrastructure-as-code tool, including the ability to read infrastructure definitions and understand how configuration changes affect system behaviour and test coverage.

Experience working with Docker and Kubernetes. Why Join Us? Join our team and contribute to a culture of innovation, collaboration, and excellence. If you are ready to advance your career and make a significant impact, we encourage you to apply. Work in a way that works for you We promote a healthy work/life balance across the organization. We offer an appealing working prospect for our people. With numerous wellbeing initiatives, shared parental leave, study assistance and sabbaticals, we will help you meet your immediate responsibilities and your long-term goals.

Working flexible hours - flexing the times when you work in the day to help you fit everything in and work when you are the most productive. Working for you We know that your well-being and happiness are key to a long and successful career. These are some of the benefits we are delighted to offer: Comprehensive Pension Plan Generous vacation entitlement and option for sabbatical leave Maternity, Paternity, Adoption and Family Care leave Personal Choice budget Internal communities and networks Various employee discounts Recruitment introduction reward Employee Assistance Program (global) About the business- A global leader in information and analytics, we help researchers and healthcare professionals advance science and improve health outcomes for the benefit of society.

Building on our publishing heritage, we combine quality information and vast data sets with analytics to support visionary science and research, health education, and interactive learning, as well as exceptional healthcare and clinical practice. At Elsevier, your work contributes to the world’s grand challenges and a more sustainable future. We harness innovative technologies to support science and healthcare to partner for a better world.

We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits. Click here to access benefits specific to your location. We are committed to providing a fair and accessible hiring process. If you have a disability or other need that requires accommodation or adjustment, please let us know by completing our Applicant Request Support Form or please contact 1-855-833-5120.

Criminals may pose as recruiters asking for money or personal information. We never request money or banking details from job applicants. Learn more about spotting and avoiding scams here. Please read our Candidate Privacy Policy.

### We are an equal opportunity employer

qualified applicants are considered for and treated during employment without regard to race, color, creed, religion, sex, national origin, citizenship status, disability status, protected veteran status, age, marital status, sexual orientation, gender identity, genetic information, or any other characteristic protected by law.

### USA Job Seekers

EEO Know Your Rights.

## At a glance
- Posted by the employer: Sep 10, 2026
- First seen by OpenNash: Oct 12, 2026
- Last checked: Oct 19, 2026
- Listed for: 39 days
- Location: London Wall
- Employment type: Full-time[Apply on RELX’s careers site →](https://relx.wd3.myworkdayjobs.com/relx/job/London-Wall/Software-Engineer-III--Java---JavaScript-_R117775-1)

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