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Added 5 mins ago
Java/.net Modernization Engineer
Koniag Government Services
Washington, DC
Tuknik Government Services, LLC, a Koniag Government Services company, is seeking a Java/.net Modernization Engineer with a Secret security clearance to support TGS in supporting our…
Added 5 mins ago
Okta Identity Developer - Mid
Koniag Government Services
Washington, DC
The ideal candidate is a technically proficient and development-focused identity engineer with solid, hands-on experience developing custom Okta integrations, identity automation workflows,…
Added 5 mins ago
Pricing / Licensing Analyst (REMOTE)
Koniag Government Services
Washington, DC
Support the JML Transformation Framework Study Lead Engineer in developing the phased implementation roadmap cost components for Study 3, applying labor category rates, level of effort…
Added 10 mins ago
Security Platform Engineer - Poly
HP
Austin, TX
The Security Platform Engineer owns the reusable platform capabilities that embed security and compliance into our development and delivery workflows. You will build and run the security…
Added 12 mins ago
Systems Test Engineer
Philips
New Kensington, PA
The Systems Test Engineer designs, develops, evaluates, and conducts integration, testing, and verification activities of (elements of) products with a focus on mechanical, electrical, and…
Added 13 mins ago
Senior Instrument & Controls Engineer
Westinghouse Electric Company
Warrendale, PA
Added 13 mins ago
Lead Embedded Engineer
Honeywell Aerospace
Lansdale, PA
As a Lead Embedded Engineer here at Honeywell Aerospace, you will be responsible for leading and actively participating in the design, development, and debugging of embedded software and…
Added 13 mins ago
Forward Deployed Engineer (Palantir Foundry & Custom Development)
Jacobs
Moon Township, PA
Build, Forward Deployed - Work embedded with client and project teams to build and configure Foundry-based and custom software features in response to defined requirements.
Added 13 mins ago
EC
Senior Electronics Engineer
Eaton Corporation
Moon Township, PA
- $86,000 to $126,000 USD / year
The Senior Electronics Engineer will be part of the Embedded Systems group and will lead verification and validation (V&V) activities for Eaton’s circuit breaker and protection systems.
Added 14 mins ago
Sr Site Reliability Engineer -Remote US
SitusAMC
Harrisburg, PA
…production environment. Other responsibilities may include getting embedded within product teams to enable the enterprise PaaS & SaaS offerings created by the Platform…
Added 15 mins ago
ReactJS Java API Software Engineer
RELX INC
Philadelphia, PA
About the role, we are looking for a collaborative ReactJS and Java API software developer to be a critical component within our agile delivery process for Software Development.
Added 15 mins ago
Senior Software Engineer / Senior AI Engineer
RELX INC
Philadelphia, PA
Embedded Innovation Teams are cross-functional squads embedded within our segments to rapidly turn internal AI experimentation into validated, reusable solutions, building the capabilities…
Added 15 mins ago
TT
Robotics Software Engineer
True Talent Solutions Partners
Watertown, MA
- $130,000 to $180,000 USD / year
- One to three years of software engineering experience in robotics, automation, or embedded systems, with experience beyond a junior-level profile.
Added 22 mins ago
O
Data Center Electrical Systems & Rack Integration Engineer
Oracle
Jefferson City, MO
- $102,300 to $209,500 USD / year
+ Partner with software and data engineering teams to ensure telemetry from power shelves, rPDUs, and hardware sensors is accessible and usable at fleet scale.
Added 22 mins ago
O
Hardware Platform Engineer - Data Center Systems & Rack Integration
Oracle
Jefferson City, MO
- $114,600 to $234,600 USD / year
+ Partner with software/data teams to support monitoring and analysis
Added 24 mins ago
Security Engineer
Cala Health
United States
We are seeking a hands-on Security Engineer embedded within our engineering organization. In this role, you will be the primary technical authority securing our AWS cloud architecture,…
Added 25 mins ago
Electronics Engineer II (Advanced Electronics Systems and Technologies | 345C)
JPL/NASA
Pasadena, CA
JPL is seeking an extraordinary Electronics Engineer II to join the Advanced Electronics Systems and Technologies group to help accelerate the frontier of space electronics. In this role,…
Added 25 mins ago
Electronics Engineer I (Advanced Electronics Systems and Technologies | 345C)
JPL/NASA
Pasadena, CA
JPL is seeking an extraordinary Electronics Engineer I to join the Advanced Electronics Systems and Technologies group to help accelerate the frontier of space electronics. In this role,…
Added 30 mins ago
P
Principal Engineer, Mapping and Localization
PlusAI
Santa Clara, CA
- $200,000 to $240,000 USD / year
PlusAI is a Physical AI company pioneering AI-based virtual driver software for factory-built autonomous trucks. Headquartered in Silicon Valley with operations in the United States and…
Added 40 mins ago
Usability Engineer (On-site)
x Varian Medical Systems, Inc.
United States
As a usability engineer, you will work with a multi-disciplinary team of stakeholders to deliver compelling products within the standards for medical devices. A successful candidate will…
Added 42 mins ago
Flight Software Engineer
EraDrive
Palo Alto, CA
You will own the architecture, implementation, and verification of Era-Node’s flight software. You will work closely with GNC engineers and embedded software engineers and you will be the…
Added 50 mins ago
Principal Technical Learning Consultant - SaMD Product Development & QA
Oracle
Jefferson City, MO
The ideal candidate is a former Systems Engineer, Quality Engineer, Design Assurance Engineer, Regulatory Affairs Specialist, Technical Program Manager, Product Development Leader, Clinical…
Added 51 mins ago
Principal Technical Curriculum Developer - SaMD Product Development & QA
Oracle
Jefferson City, MO
The ideal candidate is a former Systems Engineer, Quality Engineer, Design Assurance Engineer, Regulatory Affairs Specialist, Technical Program Manager, Product Development Leader, Clinical…
Added 55 mins ago
Principal Design Quality & Reliability Engineer - OCI Data Center Infrastructure
Oracle
Jefferson City, MO
across firmware, software, and diagnostics teams.
Added 57 mins ago
Senior Director, AI Engineering -Agentic AI Platform(Remote Eligible)
Capital One
San Jose, CA · San Francisco, CA · McLean, VA · Cambridge, MA · NY
Oversee the design, development, testing, deployment, and support AI software components including foundation model training, large language model inference, similarity search, guardrails,…

RELX INC

ReactJS Java API Software Engineer

Philadelphia, PA, United States

National Base Pay Range: $78,800 - $131,300.

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Job details

Pay: National Base Pay Range: $78,800 - $131,300.
Posting language: English
Posted: Mar 28, 2026

Original job description

Philadelphia

Home based-Pennsylvania

Full time

R110947

Are you a collaborative ReactJS and Java API Developer looking to work for a mission driven global organization?

About the role, we are looking for a collaborative ReactJS and Java API software developer to be a critical component within our agile delivery process for Software Development.

About the team, this team builds evidence-based oncology pathways - structured treatment recommendations for cancer care based on the latest clinical evidence and expert consensus.

They drive integration with clinical workflows, often embedded in electronic health records (EHRs) so oncologists can access guidance at the point of care.

Requirements

· Possess current proficiency in ReactJS development

· Possess current proficiency in Java Spring Boot API development

· Ability to quickly pick up new languages and technologies

· Ability to work well with internal and external technology resources

· Ability to write and review portions of detailed specifications for the development of system components of moderate complexity

· Knowledge of software development methodologies (e.g., Agile, Waterfall)

· Ability to write and review portions of detailed specifications for the development of system components of moderate complexity

Responsibilities

· Designing, developing, and maintaining scalable web applications using ReactJS

· Building and optimizing RESTful Java APIs and backend services leveraging Microsoft SQL Server and IIS

· Contributing to full-stack development, ensuring high performance, responsiveness, and reliability across applications

· Writing clean, maintainable, and well-documented code following established coding standards

· Translating business requirements into functional and technical solutions

· Designing, developing, and optimizing SQL queries, stored procedures, and database schemas in Microsoft SQL Server. Ensure data integrity, performance tuning, and scalability of database-driven applications

· Collaborating with product managers, QA, UX, DevOps, and other engineering teams to deliver high-quality solutions. Work effectively with internal and external technology partners, including vendors and third-party service providers

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: $78,800 - $131,300. 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. Click here (https://www.relx.com/careers/join-us/benefits) 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.

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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.

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.

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