Full Stack Developer (Java + ReactJS) DE

ManpowerGroup; Newark (DE); On-site; USD 83,000 - 90,000; Full time

Benefits offered by this job

Medical and Prescription Drug Plans

Dental Plan

Vision Plan

Health Savings Account

Health Flexible Spending Account

Dependent Care Flexible Spending Allow

Supplemental Life Insurance

Short Term and Long Term Disability保险

Business Travel Insurance

401(k), Plus Match

Weekly Pay

Job summary

ManpowerGroup is seeking a Full Stack Developer (Java + ReactJS) for an onsite role in Newark, DE. The position focuses on secure remediation and delivering high-performance web applications across the full development lifecycle using Java, Spring, and ReactJS.

Ideal candidates have 10+ years IT development, 6+ years in Java/Spring web development, expert ReactJS, JUnit testing, and SQL Server experience. You will build REST APIs, reusable components, and contribute to CI/CD in an Agile

Qualifications

• 10+ years of IT development experience.
• 6+ years hands-on web development using Java and Spring.
• Expert-level ReactJS experience with SPA development.
• Strong testing experience including JUnit.
• UI/UX development with HTML5, CSS3, jQuery, Node.js, and JavaScript.
• Experience with databases (preferably SQL Server) and knowledge of SQL; XML/JSON familiarity.

Responsibilities

• Develop and enhance scalable, high performance web applications across the full development lifecycle using Java, Spring, and ReactJS.
• Build secure, maintainable SPAs using ReactJS, including reusable components.
• Create and maintain REST APIs using JAX-RS and Swagger, enabling reliable integration.
• Write and maintain automated unit tests (JUnit).
• Collaborate in Scrum/SAFe/Lean Agile workflows, contributing to secure remediation and CI/CD automation.

Skills

Java/Spring

ReactJS

JUnit testing

HTML5

CSS3

jQuery

Node.js

JavaScript

Tools

JAX-RS

Swagger

Job description

Our client, a technology organization focused on secure, high-performance software delivery, is seeking a Full Stack Developer (Java + ReactJS) DE to join their team. As a Full Stack Developer (Java + ReactJS) DE, you will be part of the software engineering organization supporting delivery teams working on remediation of vulnerabilities. The ideal candidate will have a strong sense of ownership, a detail-oriented approach to secure development, and the ability to collaborate effectively in an Agile environment—aligning successfully in the organization.

Job Title: Full Stack Developer (Java + ReactJS) DE

Location: Onsite in Newark, DE

Pay Range: $60-$65/hr

What's the Job?

• Develop and enhance scalable, high performance web applications across the full development lifecycle using Java, Spring, and modern frontend technologies—especially ReactJS.

• Build secure, maintainable, and user friendly Single Page Applications (SPAs) using ReactJS, including custom reusable React component libraries.

• Create and maintain REST APIs using JAX-RS and Swagger/YAML, supporting reliable integration with web services.

• Write and maintain automated unit tests, including JUnit tests, to ensure quality and stability throughout releases.

• Collaborate in Scrum/SAFe/Lean Agile workflows, contributing to secure remediation efforts and continuous improvement through CI/CD and automation.

What's Needed?

• 10+ years of relevant IT development experience, with 6+ years hands‑on web development using Java and Spring.

• Expert‑level ReactJS experience, including SPA development and building custom reusable React component libraries.

• Strong testing experience, including writing JUnit tests.

• UI/UX development experience with HTML5, CSS3, jQuery, Node.js, and JavaScript.

• Experience with databases (preferably SQL Server) and working knowledge of SQL, plus familiarity with XML/JSON and schema processing technologies.

What's in it for me?

• Opportunity to contribute directly to secure remediation work by building and improving production‑grade applications.

• Work in an Agile environment where collaboration, communication, and quality engineering practices matter.

• Use modern development tooling and practices, including Git/Bitbucket/SVN, Maven/Ant, and CI/CD automation.

• Develop solutions that are reusable and maintainable, including shared component libraries and common services.

• Join a team where you can demonstrate ownership, adapt to changing requirements, and deliver high-quality software.

Upon completion of waiting period consultants are eligible for:

• Medical and Prescription Drug Plans

• Dental Plan

• Vision Plan

• Health Savings Account

• Health Flexible Spending Account

• Dependent Care Flexible Spending Account

• Supplemental Life Insurance

• Short Term and Long Term Disability Insurance

• Business Travel Insurance

• 401(k), Plus Match

• Weekly Pay

About ManpowerGroup, Parent Company of: Manpower, Experis, Talent Solutions, and Jefferson Wells.

ManpowerGroup (NYSE: MAN), the leading global workforce solutions company, helps organizations transform in a fast‑changing world of work by sourcing, assessing, developing, and managing the talent that enables them to win. We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable employment for millions of people across a wide range of industries and skills. Our expert family of brands – Manpower, Experis, Talent Solutions, and Jefferson Wells creates substantial value for candidates and clients across more than 75 countries and territories and has done so for over 70 years. We are recognized consistently for our diversity - as a best place to work for Women, Inclusion, Equality and Disability and in 2023 ManpowerGroup was named one of the World's Most Ethical Companies for the 14th year - all confirming our position as the brand of choice for in‑demand talent.

ManpowerGroup is committed to providing equal employment opportunities in a professional, high quality work environment. It is the policy of ManpowerGroup and all of its subsidiaries to recruit, train, promote, transfer, pay and take all employment actions without regard to an employee's race, color, national origin, ancestry, sex, sexual orientation, gender identity, genetic information, religion, age, disability, protected veteran status, or any other basis protected by applicable law.