Senior Software Engineer

Position: Senior Software Engineer I
## Senior Software Engineer IApplylocations:
Pennsylvania time type:
Full time posted on:
Posted Todayjob requisition :
R113151

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 Git Hub 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/Type Script.
· Experience with Node.js and Express.js for API development.
· Demonstrated experience building and consuming RESTful APIs.
· Proficiency with Git Hub 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/No

SQL) 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  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 Science Direct, 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…