Senior Full Stack Developer (Node.js, React.js, AWS, MongoDB)

Experience: 5–10+ Years Employment Type: Full-Time (40 Hours/Week) Position: Long-Term Remote Opportunity Job Overview: We are seeking a highly experienced and results-driven Senior Full Stack Developer to join our development team and contribute to building, maintaining, and scaling a production SaaS platform. The ideal candidate will have extensive hands-on experience with Node.js, Express.js, React.js, Next.js, MongoDB, Redis, and AWS infrastructure. We are looking for someone who can work independently, take ownership of assigned tasks, write clean and maintainable code, and solve complex technical challenges without requiring constant supervision. This is a hands-on development role, not simply a management or oversight position. Key Responsibilities: 1. Design, develop, and maintain backend applications using Node.js and Express.js. 2. Build responsive frontend applications using React.js and Next.js. 3. Design and optimize MongoDB databases and Redis caching.Implement AWS services including Lambda, SQS, SNS, and S3. 4. Develop and integrate RESTful APIs and third-party services. 5. Manage source code and collaboration using Git and GitHub. 6. Ensure application performance, scalability, security, and reliability. 7. Troubleshoot technical issues and perform code reviews. Required Skills: 1. 5–10 years of hands-on experience in full-stack development. 2. Strong proficiency in JavaScript, Node.js, and Express.js. 3. Expertise in React.js and Next.js. 4. Strong experience with MongoDB and Redis. 5. Hands-on experience with AWS Lambda, SQS, SNS, and S3. 6. Good understanding of REST APIs, microservices, and Git/GitHub. 7. Strong knowledge of system design, application architecture, and performance optimization. Good to Have: 1. Experience with Docker and CI/CD pipelines. 2. Knowledge of serverless architecture and cloud deployment. 3. Strong leadership, problem-solving, and communication skills. How to Apply: Please include the following information in your proposal: 1. How many years of professional experience do you have with Node.js, React.js, MongoDB, and AWS? 2. Describe a production SaaS application or high-traffic system you have personally developed or maintained. 3. What AWS services have you used in production, and what were your responsibilities? 4. Describe a complex performance, scalability, or production issue you resolved. 5. Are you available to work full-time (40 hours per week) on a long-term basis? Important: We are looking for developers with genuine, hands-on senior-level experience. Candidates should be prepared to participate in a technical interview and practical technical assessment.