Senior Full-Stack Engineer (MERN Stack)
Summary
Senior full-stack engineer building end-to-end web applications with the MERN stack (MongoDB, Express.js, React, Node.js) on a fully remote team — designing backend APIs, MongoDB data models, and responsive React UIs, optimizing performance, debugging across the stack, and participating in code reviews.
About the Role
Our client is seeking a highly proficient and experienced Senior Full-Stack Engineer, with a strong command of the MERN stack (MongoDB, Express.js, React, Node.js), to join their dynamic and fully remote engineering team. This role is perfect for an individual passionate about building end-to-end web applications, from database design to user interface implementation. You will play a key role in designing, developing, and deploying scalable and performant applications that drive our business forward. Working remotely from Soweto, Gauteng, ZA, you will collaborate with a talented, geographically dispersed team, contributing to innovative projects and ensuring the highest standards of code quality and user experience. Our company is committed to a remote-first culture, promoting flexibility, autonomy, and continuous learning.
Key Responsibilities
- Design, develop, and maintain full-stack web applications using the MERN stack.
- Develop robust backend services and APIs using Node.js and Express.js.
- Build dynamic and responsive user interfaces using React and associated libraries.
- Design and manage MongoDB databases, ensuring data integrity and performance.
- Collaborate with product managers, designers, and other engineers to define requirements and deliver features.
- Write clean, efficient, well-documented, and testable code for both frontend and backend.
- Optimize application performance for speed and scalability.
- Troubleshoot, debug, and resolve complex issues across the full stack.
- Participate actively in code reviews, providing and receiving constructive feedback.
- Stay up-to-date with the latest trends and best practices in MERN stack development and full-stack engineering.
Requirements
- Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience.
- Minimum of 5 years of professional experience in full-stack development, with a strong emphasis on the MERN stack.
- Proficiency in Node.js and Express.js for backend development.
- Expertise in React for frontend development, including hooks and state management (e.g., Redux).
- Strong experience with MongoDB database design and querying.
- Solid understanding of RESTful API principles and asynchronous programming.
- Experience with HTML5, CSS3, and JavaScript (ES6+).
- Familiarity with version control systems, such as Git.
- Knowledge of unit testing and end-to-end testing frameworks.
- Excellent problem-solving, analytical, and debugging skills.
- Strong communication and collaboration skills, essential for a remote role.
- Ability to work independently and manage time effectively in a remote setting.
Benefits
- Competitive salary and performance-based incentives.
- Comprehensive health, dental, and vision insurance.
- Retirement savings plan.
- Generous paid time off and company holidays.
- Fully remote work environment with flexible working hours.
- Opportunities for professional development, training, and attending virtual conferences.
- Access to modern development tools and technologies.
- A collaborative, innovative, and supportive team culture.
- Chance to work on impactful and cutting-edge web applications.