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RELX

React Node Senior Software Engineer I

RELX is hiring a React Node Senior Software Engineer I in Philadelphia, United States. It pays $87k-$144k a year and Level rates it ; you can apply on RELX.

Level's read on this job

  • Uses AI ●●○○ is how Level rates this software engineer role: an ordinary role that requires AI tools.
  • The posting mentions React, Node.js and Git among its tools and skills.
  • Level classes it as a senior role.
  • RELX has 787 other open roles on Level.

AI in this role

Develops web applications using React and Node while leveraging AI-assisted workflows and building internal automation tools.

ReactNode.jsGit
full-stack-developmentagileautomationai-assisted-workflows

Are you an experienced full stack developer (React Node) looking to work on our cutting-edge frontends for a healthcare mission driven organization?

Are you a collaborative Sr Software Engineer with an automation mindset — someone who looks for ways to build tools, agents, or AI-assisted workflows to multiply your own and your team's impact?

About the role
As a full stack developer you will collaborate with Product, UX designers, and other engineers and teams to develop client-side applications.

About the team
The Clinical Key Web team is responsible for the frontend for one of Elsevier's flagship products used by thousands of physicians, nurses, medical students, and other roles daily to improve patient care and research.


Requirements

  • Possess current frontend and backend skills in both React and Node. Only candidates with this skill set will be considered for this role.
  • Experience working on moderate to large web monoliths
  • Have taken an application(s) through the full project life cycle process.
  • Possess extensive experience utilizing the Agile delivery process for software development.
  • Experience collaborating with both technical and not technical professionals to drive innovation.
  • Possess an understanding of crucial applications/products in the Science, Medicine, Education business vertical.
  • Automation mindset — experience identifying repetitive or scalable work and building tools, scripts, or AI-assisted workflows (e.g., agents, skills, plugins) to reduce manual effort and increase delivery velocity for yourself and your team.




Responsibilities

  • Designing, developing, and maintaining complex applications using React (front end) and Node.js (back end).
  • Ensuring seamless integration between client-side and server-side components to deliver responsive, scalable, and secure web applications.
  • Developing user interfaces for a large web monolith and small to moderate micro-frontends and services, maintaining high standards for accessibility, performance, and usability.
  • Implementing and optimizing UI components that align with enterprise design systems and technical standards.
  • Lead applications through the entire software development life cycle (SDLC) — from requirements gathering and system design to deployment and maintenance.
  • Ensure high-quality releases through continuous integration, code reviews, and automated testing.
  • Identify opportunities to automate or scale recurring engineering work — building internal tools, AI-assisted agents/skills/plugins, or workflow automation — to increase quality and throughput for yourself and the broader team.

Elsevier employs approximately 10,000 people worldwide, including more than 2,500 technologists, and has supported researchers and healthcare professionals for more than 140 years. Today, Elsevier combines deep domain expertise with technology, data, analytics, and AI to create solutions that help advance science, improve healthcare, and drive better outcomes.


Beyond Health Markets, Elsevier's data and technology platforms—including ScienceDirect, Scopus, SciVal, ClinicalKey, and Sherpath—support research management, R&D performance, clinical decision support, medical education, and nursing education. Our users rely on more than 2,800 journals, 46,000+ eBook titles, and leading reference works such as Gray's Anatomy, providing an extraordinary foundation of trusted information on which our data and AI capabilities are built.


As part of RELX, Elsevier is a global provider of information-based analytics and decision tools. This combination of proprietary content, massive datasets, domain expertise, and advanced technology creates a unique environment for Data Scientists to work on problems where AI and machine learning can have a tangible impact on science, healthcare, and patient outcomes.

U.S. National Base Pay Range: $86,600 - $144,400. Geographic differentials may apply in some locations to better reflect local market rates. If performed in Maryland, the base pay range is $90,900 - $151,700.If performed in New Jersey, the base pay range is $102,333 - $163,467. 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. 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.

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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.

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How we rate this

React Node Senior Software Engineer I at RELX rates 45 out of 100 for how much of the daily work is AI. That makes it Uses AI (AI Level 2 of 4). The level is about AI in the job, not seniority.

Classification

Uses AI. An ordinary role that requires AI tools.

  1. ●●●● Builds AI80 to 100
  2. ●●●○ Works on AI60 to 79
  3. ●●○○ Uses AI40 to 59
  4. ●○○○ Little AI0 to 39

Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.

Prepare for this job

Built from this posting and from similar jobs on Level.

Skills and AI tools this role asks for

Full Stack DevelopmentAgileAutomationAI Assisted WorkflowsReactNode.jsGit

Also common in software engineer jobs at this level

Pay

This job starts at
$87k
Typical software engineer job
$167k

This posting starts 48% below the typical software engineer job. See software engineer jobs

Questions you could be asked

  1. Tell me about a project where full stack development was part of your work. What did you do?
  2. Tell me about a project where agile was part of your work. What did you do?
  3. Tell me about a project where automation was part of your work. What did you do?
  4. Tell me about a project where ai assisted workflows was part of your work. What did you do?
  5. Walk me through how you've used React in your day-to-day work.

Adapt your resume

  • List these exact terms on your resume: Full Stack Development, Agile, Automation, AI Assisted Workflows, and React. An applicant tracking system matches the wording, not the idea.
  • Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
  • Put the AI tool in a bullet point about what you did, not just in a skills list. This role treats it as a required part of the job.

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