Senior Full-Stack Web Development Expert

Job ID: 40596841

Budget: $1,500 – $3,000 USD

# Senior Full-Stack Web Developer

We are looking for an experienced Senior Full-Stack Web Developer to build and maintain modern, scalable web applications. The ideal candidate has strong expertise in frontend and backend development, API integration, database design, and cloud-based applications.

## Responsibilities

* Develop responsive web applications using React, Next.js, JavaScript, and TypeScript.
* Build scalable backend services with Node.js and Express.js.
* Design and integrate RESTful APIs.
* Work with MySQL and MongoDB databases.
* Implement secure authentication using JWT and OAuth.
* Integrate third-party services such as Stripe and external APIs.
* Optimize application performance and maintain code quality.
* Collaborate with cross-functional teams in an Agile environment.

## Requirements

* 5+ years of full-stack web development experience.
* Strong knowledge of JavaScript, TypeScript, React, Next.js, Node.js, and Express.js.
* Experience with MySQL and/or MongoDB.
* Familiarity with Git, Docker, and CI/CD workflows.
* Strong problem-solving and communication skills.
* Experience with cloud platforms is a plus.
* Healthcare (FHIR/SMART on FHIR) experience is a plus.

## Preferred Skills

* REST API development
* Performance optimization
* OAuth2 / JWT authentication
* Stripe payment integration
* Agile/Scrum development
* USA Developer who worked for 4+ years in freelancer.

We are looking for a developer who can deliver clean, maintainable, and scalable solutions while working independently or as part of a collaborative team.