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. 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.
Skills Required
- Knowledge of software development methodologies, including Agile and Waterfall
- Intermediate proficiency with data manipulation language and optimization techniques
- Intermediate understanding of normalized and dimensional data modeling principles
- Intermediate knowledge of multiple data storage subsystems
- Proficiency with Java or 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
- Proficient research skills
- Knowledge of software development best practices and applicable development toolsets
- Ability to collaborate with technical personnel and internal or external technology resources
- Knowledge of test-driven development
- Ability to write and review detailed software component specifications
- Ability to complete complex bug fixes
- Good oral and written communication skills
- Experience using AI-assisted development tools such as Claude, GitHub Copilot, or Codex
- Experience applying AI-assisted tools within quality engineering workflows with appropriate review and validation
- Experience with Terraform or another infrastructure-as-code tool
- Experience working with Docker and Kubernetes
RELX Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about RELX and has not been reviewed or approved by RELX.
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Retirement Support — Retirement support is positioned as a meaningful part of total rewards through a 401(k) plan with matching contributions, alongside other financial protections such as life and disability coverage. Tuition reimbursement and share purchase access further broaden the financial value of the package beyond base salary.
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Leave & Time Off Breadth — Leave and time off breadth appears strong, with generous vacation allowances, mental health days, and options like sabbaticals and tiered PTO by tenure. Parental and caregiving leaves are described in detail, reinforcing time-away benefits as a standout component of the overall package.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle benefits are supported by offerings such as mental health support (e.g., app access), EAP resources, gym-related perks, and wellness incentives. Flexible working hours and related work-life supports add to the perceived day-to-day value of benefits.
RELX Insights
What We Do
RELX is a global provider of information-based analytics for professional and business customers across industries. We help scientists make new discoveries, doctors and nurses improve the lives of patients and lawyers win cases. We prevent online fraud and money laundering, and help insurance companies evaluate and predict risk. Our events enable customers to learn about markets, source products and complete transactions. In short, we enable our customers to make better decisions, get better results and be more productive. We do this by leveraging a deep understanding of our customers to create innovative solutions which combine content and data with analytics and technology in global platforms. RELX serves customers in more than 180 countries and has offices in about 40 countries. It employs approximately 30,000 people of whom almost half are in North America. We operate in four major market segments: Scientific, Technical & Medical; Risk & Business Analytics; Legal; and Exhibitions.
