React/Node .JS Developer

Florida Blue; Jacksonville (FL); On-site; USD 90,000 - 140,000; Full time

Job summary

Florida Blue is seeking a React Developer on a contract basis through Magnit to support GuideWell and affiliated companies in Jacksonville, FL.

You will develop UI with React, Redux, D3, and NodeJS, participate in the full SDLC, and work with third‑party partners while ensuring IT controls and security.

Qualifications

• Experience with unit testing, release procedures, coding design and documentation protocol as well as change management procedures.
• Proficiency using MERN and MEAN scaffolding tools.
• Demonstrated organizational, analytical and interpersonal skills.
• Flexible team player with initiative.

Responsibilities

• Production and non-production infrastructure management (Windows OS patching, certificate updates, password rotation).
• Ongoing EVMP support and remediation of servers and applications in production and non-production environments.
• JIVA and Care application release management (BART, Jenkins, OpenShift).
• Critical data load management (member, provider, benefits) in production.
• Production monitoring and alert response (Splunk, Nimsoft, Control‑M).
• Disaster recovery and business continuity support.
• 24/7 on‑call support.
• Audit and compliance support (SOC2, IA, High Trust).
• Support InterQual and Episode Management System upgrades/patches.
• Support Service Delivery and infrastructure upgrades for Linux OS in production and non‑production.

Skills

React.js

Node.js

JavaScript

HTML

CSS

jQuery

MERN/MEAN scaffolding

Debugging tools

Web development

DOM manipulation

Education

HS Diploma or GED

Tools

Jenkins

OpenShift

Splunk

Git

Webpack

Jest

Mustache/Handlebars

Job description

This is a contract opportunity. You will be employed by Magnit to work on assignment with GuideWell and subsidiary companies including Florida Blue.

React Developers are responsible for the development, programming, and coding of Information Technology solutions using ReactJS, Redux, D3 and NodeJS to enable Florida Blue Customer Experience applications. They will engage in all phases of the software development lifecycle which include: gathering and analyzing user/business system requirements, responding to outages and creating application system models. Developers are responsible for documenting detailed system specifications and will participate in evaluating, conducting performance testing, and all planned and unplanned maintenance for both internally developed applications and purchased products. They will participate in design meetings and consult with clients to refine, test and debug programs to meet business needs and interact and sometimes direct third‑party partners in the achievement of business and technology initiatives. Developers are responsible for including IT Controls to protect the confidentiality, integrity, and availability of the application and data processed or output by the application.

Primary Responsibilities

• Production and non‑production infrastructure management (Windows OS patching, certificate updates, password rotation)
• Ongoing EVMP support and remediation of servers and applications in production and non‑production environments
• JIVA and Care application release management (BART, Jenkins, OpenShift)
• Critical data load management (member, provider, benefits) in production
• Production monitoring and alert response (Splunk, Nimsoft, Control‑M)
• Disaster recovery and business continuity support
• 24/7 on‑call support
• Audit and compliance support (SOC2, IA, High Trust)
• Support InterQual and Episode Management System upgrades/patches
• Support Service Delivery and infrastructure upgrades for Linux OS in production and non‑production

General Requirements

• Experience with unit testing, release procedures, coding design and documentation protocol as well as change management procedures
• Proficiency using MERN and MEAN Scaffolding tools
• Demonstrated organizational, analytical and interpersonal skills
• Flexible team player
• Ability to manage tasks independently and take ownership of responsibilities
• Ability to learn from mistakes and apply constructive feedback to improve performance
• Must demonstrate initiative and effective independent decision‑making skills
• Ability to communicate technical information clearly and articulately
• Ability to adapt to a rapidly changing environment
• In‑depth understanding of the systems development life cycle
• Proficiency programming in more than one object‑oriented programming language; React.js, Node.js, JavaScript, and HTML
• Proficiency with HTML, CSS, SASS, JavaScript/jQuery, local storage, and cross‑browser compatibility are required
• May include database knowledge in MongoDB
• Experience with modern web/UI development tools and techniques: Node, Webpack, Grunt/Gulp, GIT, Axios, Jest
• Client‑side templating: mustache.js, handlebars.js, panni.js, and dust.js
• Proficiency using standard desktop applications such as MS Suite and flowcharting tools such as Visio
• Proficiency using debugging tools such as Advanced Debugger, Allinea DDT, AQtime, ARM, CA/EZTEST, etc
• Solid knowledge of DOM manipulation and client‑side validation
• Solid knowledge with jQuery and other JavaScript libraries
• High critical thinking skills to evaluate alternatives and present solutions that are consistent with business objectives and strategy
• Experience with responsive grid systems
• Solid knowledge of React and Redux principals and build out

Preferred Qualifications

The preferred qualifications listed below reflect desired knowledge, skill, and/or experience.

Additional Preferred Qualifications

• Various domain experience; Health Care, Financial, etc.
• Experience using Agile, Waterfall, or hybrid methodology
• Experience with mobile design (native and mobile web) a plus
• Experience with Foundation a plus
• Experience with web accessibility guidelines and requirements a plus

Required Work Experience

• 3+ years related work experience; professional experience with technical design and coding in the IT industry

Required Education

• HS Diploma or GED

GuideWell and its family of companies has partnered with Magnit as its Managed Service Provider (MSP) and Employer of Record (EOR) since 2018. In May of 2025, GuideWell joined Magnit Direct Source to implement the GuideWell Contractor Cohort. This program is designed to create, manage and curate a contractor talent pool for temporary contract opportunities with GuideWell. As a contractor working on temporary assignment with GuideWell, you’ll be employed by Magnit. You’ll have the opportunity to work on temporary projects at GuideWell companies that make a real difference in people’s lives while enjoying the benefits of being part of the Magnit team.