senior mern stack developer

1 week ago

Jacksonville, Florida, United States ConsultNet Technology Services and Solutions Full time

**SENIOR MERN STACK DEVELOPER

6+ Month Contract (Likely Extension)

100% Remote (EST hours preferred)**
SUMMARY

We are seeking a Senior MERN Stack Developer experienced in designing and building enterprise-grade web applications using MongoDB, Express, React, and NodeJS. This role will focus on full-stack development supporting customer-facing and internal platforms, with an emphasis on modern React front-end architecture and scalable NodeJS API services.

The ideal candidate has strong experience building production systems, optimizing performance, designing reusable UI components, and contributing to the architectural direction of MERN-based applications.

CORE RESPONSIBILITIES


• Develop full-stack applications using MongoDB, Express, React, and NodeJS.


• Build and enhance React components, hooks, state management patterns, and modular UI architecture.


• Design, implement, and support NodeJS APIs and microservices.


• Optimize application performance across front-end and backend.


• Work closely with UX, product, and backend engineering teams to deliver cohesive experiences.


• Implement unit, integration, and end-to-end testing.


• Support CI/CD pipelines and follow secure coding standards.


• Participate in architectural discussions and provide technical guidance to the team.


• Troubleshoot production issues and contribute to stability and monitoring.


• Mentor mid-level and junior developers.

REQUIRED TECHNICAL EXPERIENCE


• 5+ years full-stack development using the MERN stack.


• Strong ReactJS experience including hooks, functional components, and state management.


• Deep experience building NodeJS/Express APIs and backend services.


• Strong experience with MongoDB including schema design and performance considerations.


• Familiarity with TypeScript, modern JavaScript, and front-end build tooling.


• Experience with component libraries or design systems.


• Experience with Git, CI/CD pipelines, and cloud-hosted environments.


• Understanding of security best practices and enterprise application standards.


• Strong communication and collaboration skills.

PREFERRED QUALIFICATIONS


• Healthcare or insurance/payer domain experience.


• Experience with microservices architecture.


• Experience with Docker, Kubernetes, or cloud environments (AWS/Azure).


• Familiarity with accessibility and responsive UI patterns.


• Experience working in Agile teams.

Celebrating more than 25 years of partnership with a diverse client base, we've crafted rewarding opportunities for our consultants, fostering high-performing teams that deliver impactful results.

Over the last few years thousands of consultants have found their calling with us in roles that have made a meaningful impact on their lives, enhanced their careers, challenged them, and propelled them toward achieving their goals. At the ConsultNet family of companies, we believe effective communication is crucial in aligning the right job with your unique skills and professional aspirations.

Our comprehensive service offerings cover a wide range of technology positions across key markets nationwide. Learn more at .

We proudly support an Equal Opportunity Employer policy and welcome applicants regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, disability, protected veteran status, or any other protected classification.

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