RELX

Senior Software Engineer I (Java & JavaScript)

RELX
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1 day ago
London, United KingdomSenior

Responsibilities

  • Finalize requirements with technical personnel and team members.
  • Write and review detailed specifications for complex system components.
  • Design and develop software across multiple components using Java and JavaScript.
  • Complete complex bug fixes and resolve intermediate technical issues.
  • Implement and guide continuous integration, delivery, and deployment practices.
  • Identify and implement operational requirements for logging, instrumentation, and alerting.
  • Translate complex product requirements and user requests into software designs.
  • Apply coding best practices, code reviews, and development processes.
  • Pair program with squad members and develop mentoring skills for less senior developers.
  • Collaborate with internal and external technology resources and stakeholders.

Requirements

  • Intermediate proficiency with data manipulation language, optimization techniques, data modeling principles, and multiple data storage subsystems.
  • Confidence developing with 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, development toolsets, industry best practices, and test-driven development.
  • Ability to write and review complex software specifications, complete complex bug fixes, and interface with technical personnel.
  • Good oral and written communication skills.
  • Preferred experience with Claude, GitHub Copilot, Codex, or other AI-assisted development tools for test authoring, stub generation, coverage analysis, or test-output investigation.
  • Preferred familiarity with Terraform or another infrastructure-as-code tool, Docker, and Kubernetes.

Benefits

  • Flexible working hours.
  • 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.
  • Global Employee Assistance Program.
  • Wellbeing initiatives, shared parental leave, study assistance, and sabbaticals.
RELX

About RELX

1,001-5,000 employees

RELX provides information-based analytics, research content, and decision tools for scientists, legal and risk professionals, insurers, and governments. Through segments including Elsevier (STM), LexisNexis (legal and risk), and RX (exhibitions), it sells subscriptions, data services, and software platforms used in 180+ countries. Headquartered in London, it is a public company listed in London and Amsterdam.

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