Senior Software Full Stack Software Engineer.( React on the Node.js)

RELX; Pennsylvania; On-site; USD 86,600 - 144,400; Full time

Job summary

Elsevier is seeking a collaborative Software Engineer to join a fast-paced Agile team. You will own features across frontend and backend using React and Node.js/Express.js, building robust APIs and contributing to CI/CD workflows with Jenkins.

You will collaborate with product, design, and QA to deliver high-quality software and mentor junior engineers in a health markets focused environment.

Qualifications

• Full-stack JavaScript development experience.
• Proficiency with React and modern JavaScript/TypeScript.
• Experience with Node.js and Express.js for API development.
• Experience building RESTful APIs.
• Proficiency with GitHub workflows and PR-based collaboration.
• Experience with linting (ESLint) and automated testing (Jest, Mocha).
• Working knowledge of Agile/Scrum methodologies.

Responsibilities

• Design, develop, test, and maintain scalable web applications using React on the frontend and Node.js/Express.js on the backend.
• Translate product requirements into well-architected, maintainable code and robust APIs.
• Implement automated tests (unit/integration) and ensure code quality through reviews and best practices.
• Collaborate in an Agile/Scrum environment: standups, sprint planning, backlog grooming, and demos.
• Contribute to CI/CD pipelines and release processes; work with Jenkins to build, test, and deploy features.
• Write and maintain comprehensive documentation including code comments, README updates, and API specs.
• Troubleshoot production issues, perform root-cause analysis, and implement long-term fixes.
• Mentor junior engineers and uplift the team’s skills and coding standards.
• Collaborate with QA to define and implement test strategies and acceptance criteria.

Skills

Full-stack JavaScript

React (hooks)

Node.js/Express.js

RESTful APIs

Agile/Scrum

GitHub workflows

Tools

GitHub

Jenkins

ESLint

Jest/Mocha

Redux

TypeScript

Job description

Are you a collaborative Software Engineer looking to work for a mission driven global organization?

About the role We are seeking a highly capable Software Engineer to join our fast-paced, Agile development team. This full-stack JavaScript engineer will own and contribute to features across the frontend and backend, partnering closely with product, design, and QA. The ideal candidate has solid experience with React, Node.js, and Express.js, a practical understanding of CI/CD pipelines (preferably Jenkins), 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.

About the team; As a Sr Software Engineer you have the opportunity to join a diverse team of technologists as we continue to build mission critical products in the Health Markets space.

Responsibilities

• Designing, developing, testing, and maintaining scalable web applications using React on the frontend and Node.js/Express.js on the backend.
• Translating product requirements into well-architected, maintainable code and robust APIs.
• Implementing automated tests (unit/integration) and ensure code quality through reviews and best practices.
• Collaborating in an Agile/Scrum environment: participate in standups, sprints planning, backlog grooming, and demos.
• Contributing to CI/CD pipelines and release processes; work with Jenkins to build, test, and deploy features.
• Writing and maintaining comprehensive documentation, including code comments, README updates, and API specs.
• Troubleshooting production issues, perform root-cause analysis, and implementing long-term fixes.
• Mentoring junior engineers and sharing knowledge to uplift the team’s skills and coding standards.
• Collaborating with QA to define and implement test strategies and acceptance criteria.

Required Qualifications

• Professional software development experience in full-stack JavaScript.
• Proficiency with React (hooks, state management, component design) and modern JavaScript/TypeScript.
• Experience with Node.js and Express.js for API development.
• Demonstrated experience building and consuming RESTful APIs.
• Proficiency with GitHub workflows, pull requests, issue tracking, and collaboration in a distributed or co-located team.
• Experience with linting (ESLint) and automated testing (unit tests; familiarity with Jest, Mocha, or similar).
• Working knowledge of Agile/Scrum methodologies and collaboration in cross-functional teams.
• Experience with additional front-end tooling and state management libraries (e.g., Redux or modern alternatives).
• Familiarity with other back-end technologies or databases (e.g., SQL/NoSQL) and ORM/query builders.

Elsevier is a renowned global information analytics company that primarily focuses on providing scientific, technical, and medical (STM) research content, tools, and services. It is one of the largest publishers of academic journals and scholarly literature in the world.

Elsevier operates in various domains, including science, technology, medicine, social sciences, and more. They publish a vast number of peer-reviewed journals covering a wide range of disciplines. These journals act as platforms for researchers and academics to share their findings and contribute to the advancement of knowledge in their respective fields.

In addition to publishing, Elsevier offers a suite of digital solutions and services to support researchers, scientists, and professionals in their work. They provide online platforms like ScienceDirect, Scopus, and Mendeley, which offer access to a vast repository of scholarly articles, research papers, and other scientific content. These platforms often serve as essential resources for software developers seeking to stay updated with the latest scientific advancements.

U.S. National Base Pay Range: $86,600 - $144,400. Geographic differentials may apply in some locations to better reflect local market rates. This job is eligible for an annual incentive bonus.

We know your well-being and happiness are key to a long and successful career. We are delighted to offer country specific benefits.