Senior Software Engineer I (Java & JavaScript)

Elsevier Limited Company; Greater London; In loco; GBP 65.000 - 90.000; Tempo pieno

Vantaggi offerti da questo lavoro

Comprehensive Pension Plan

Generous vacation entitlement

Employee Assistance Program (global)

Descrizione del lavoro

Elsevier Limited Company is seeking a Senior Software Engineer I (Java & JavaScript) to design and develop scalable, high-performance applications within the Identity & Access Management team. You will contribute to authentication and authorization infrastructure that powers our global product suite, operating on AWS ECS and EKS.

The role involves tackling challenging design and coding tasks, mentoring junior developers, and collaborating with stakeholders to translate user needs into robust

Competenze

• Knowledge of Agile or Waterfall development methodologies.
• Experience with identity platforms and authentication/authorization workflows.
• Proficient in Java/J2EE, JavaScript, and modern web technologies.

Mansioni

• Interface with team to finalize requirements.
• Develop complex system components and review specs.
• Fix complex bugs and implement CI/CD practices.
• Mentor junior developers and support learning.
• Collaborate with stakeholders to translate needs into design.

Conoscenze

Java/J2EE

JavaScript

Mentoring

Cross-functional collaboration

CI/CD practices

Strumenti

Keycloak

Auth0

Terraform

Docker

Kubernetes

AWS (ECS/EKS)

Descrizione del lavoro

Senior Software Engineer I (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 is performed by an experienced professional and will undertake difficult research, design, and software development assignments within a software functional area or product line, and provides direct input to project plans, schedules, and methodology in the development of cross-functional software products under the guidance of more senior members of the squad. This position performs software design - typically across multiple components; develops the skills of mentoring more junior members of the team and works with others to talk to users/customers and translates their requests into solutions.

Key Responsibilities:

• Interface with other technical personnel or team members to finalize requirements
• Write and review portions of detailed specifications for the development of complex system components
• Complete complex bug fixes
• Implement and guides other to continuous integration, delivery, and deployment software delivery practices
• Identifies operational requirements for logging, instrumentation, and alerting and works with Senior II to ensure operational requirements are met
• Proficient in implementing continuous integration, delivery, and deployment software delivery practices
• Aware of operational requirements and implementation for logging, instrumentation, and alerting
• Work closely with other development team members to understand product complex 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
• Resolve complex intermediate technical issues as necessary
• Pair Programming with squad members to support the learning and development of others
• Develop skills to mentor less senior software developers on development methodologies and optimization techniques

Requirements:

• Knowledge of software development methodologies (e.g., Agile, Waterfall)
• Intermediate proficiency with data manipulation language, including optimization techniques
• Intermediate understanding of normalized/dimensional data modelling principles
• Intermediate knowledge of multiple data storage subsystems
• Confident practitioner 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.
• Proficient research skills
• Developing knowledge in Industry best practices in development
• Knowledge in using and developing in applicable toolsets
• Ability to interface competently with other technical personnel or team members to finalize requirements
• Ability to work well with internal and external technology resources
• Knowledge of test-driven development
• Ability to write and review portions of detailed specifications for the development of complex system components
• Ability to complete complex bug fixes
• Good oral and written communication skills
• 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.
• Familiarity with Keycloak or another identity provider, including realm configuration, authentication flows, and OIDC client setup.
• 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.

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.

• 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. 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. 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. RELX is a global provider of information-based analytics and decision tools for professional and business customers, enabling them to make better decisions, get better results and be more productive. Our purpose is to benefit society by developing products that help researchers advance scientific knowledge; doctors and nurses improve the lives of patients; lawyers promote the rule of law and achieve justice and fair results for their clients; businesses and governments prevent fraud; consumers access financial services and get fair prices on insurance; and customers learn about markets and complete transactions. Our purpose guides our actions beyond the products that we develop. It defines us as a company. Every day across RELX our employees are inspired to undertake initiatives that make unique contributions to society and the communities in which we operate.