WFH Senior Full-Stack Developer (MERN)

Job Overview

Our client is looking for a highly skilled Senior Full-Stack Developer with strong expertise in the MERN Stack (MongoDB, Express.js, React.js, and Node.js) to join a growing development team. You will be responsible for the full lifecycle of web applications, from developing responsive front-end experiences to building secure, scalable back-end systems. The ideal candidate is an experienced developer who writes clean, maintainable code, takes ownership of their work, and enjoys solving complex technical problems.

Schedule

• Monday - Friday, flexible between 8:00 AM - 6:00 PM WA, Australia (40 work hours per week)

Responsibilities

Front-End Development

• Design and develop responsive, high-performance web applications using React.js.
• Translate UI/UX designs and wireframes into clean, pixel-perfect code.
• Build reusable and maintainable React components.
• Implement client-side routing, authentication, and data-fetching strategies.
• Optimize applications for performance across browsers and devices.

Back-End Development

• Build and maintain secure, scalable applications using Node.js and Express.js.
• Design and implement RESTful APIs.
• Develop efficient data models and queries using MongoDB.
• Work with MongoDB aggregation pipelines and indexing to optimize performance.
• Implement authentication and authorization using technologies such as JWT and OAuth.
• Apply security best practices, including data validation, sanitization, and protection against common web vulnerabilities.

Full-Stack Development & Integration

• Integrate front-end applications with back-end services and APIs.
• Troubleshoot, debug, maintain, and enhance existing applications.
• Write clean, reusable, testable, and efficient code.
• Participate in code reviews and contribute to development best practices.
• Collaborate with designers, product stakeholders, and other developers to plan and deliver new features.
• Ensure applications remain responsive, reliable, and scalable.

DevOps & Version Control

• Use Git for source control and collaborate through platforms such as GitHub or GitLab.
• Participate in CI/CD workflows and deployment processes.
• Work with modern development and build tools such as Vite, Webpack, or Babel.
• Contribute to application testing using tools such as Jest, Mocha, or Cypress.

Requirements

• 5+ years of professional full-stack web development experience, with strong hands-on expertise in the MERN Stack.

• Strong proficiency in JavaScript/ES6+, React.js, Node.js, and Express.js, including React Hooks, component architecture, state management, asynchronous programming, and Node.js architecture.

• Strong knowledge of MongoDB, including schema design, queries, aggregation, indexing, and performance optimization.

• Strong experience building RESTful APIs and middleware, with the ability to troubleshoot complex technical issues and develop secure, reliable solutions.

• Proficiency with Git and collaborative development workflows.

• Nice to have:  Experience with Next.js, Jest/Mocha/Cypress, CI/CD pipelines, deployment workflows, cloud platforms, and Agile development.

Independent Contractor Perks

• Permanent work from home
• Immediate hiring
• Health Insurance Coverage for eligible locations

Note

Please click the "Apply" button to complete your application, including the assessment questions, technical check, and voice recording. Your hourly pay rate will be established based on your performance in the application process; submissions with all requirements fulfilled will receive priority review.