What are the responsibilities and job description for the Senior MERN Stack Developer position at Donato Tech?
Job Title : Senior MERN Stack Developer
Skills, Experience, Qualifications, If you have the right match for this opportunity, then make sure to apply today.
Location : Hybrid (3 Days Onsite) – Sunnyvale, CA
Employment Type : Full-time (FTE) / Contract
Experience Required : 6-8 years
Job Summary :
We are seeking a Senior MERN Stack Developer to design, develop, and optimize high-performance web applications. The ideal candidate should have extensive experience with the MERN stack (MongoDB, Express.js, React.js, Node.js) and a strong background in building scalable, maintainable, and secure applications. You will collaborate with cross-functional teams to develop new features, enhance performance, and ensure seamless user experiences.
Key Responsibilities :
Develop, optimize, and maintain full-stack applications using MongoDB, Express.js, React.js, and Node.js.
Build RESTful APIs and GraphQL services for seamless front-end and backend integration.
Implement authentication and security protocols (JWT, OAuth, role-based access control).
Optimize database performance and queries in MongoDB and MySQL for high efficiency.
Write clean, modular, and scalable code using JavaScript, TypeScript, and ES6 .
Work with React.js (Redux, Hooks, Context API) to create responsive and user-friendly applications.
Collaborate with UI / UX designers to ensure a seamless front-end experience.
Perform A / B testing to analyze user interactions and optimize application performance.
Participate in code reviews, unit testing (Jest), and debugging to ensure high code quality.
Manage Git repositories, JIRA workflows, and CI / CD pipelines for efficient development cycles.
Stay updated with the latest technologies and best practices in full-stack development.
Required Skills & Qualifications :
6-8 years of hands-on experience in MERN Stack development.
Expertise in React.js (Redux, Hooks, Context API) and modern JavaScript (ES6 ).
Strong backend development experience with Node.js and Express.js.
Proficiency in MongoDB (schema design, indexing, aggregation, query optimization) and MySQL.
Experience with TypeScript for scalable application development.
Familiarity with RESTful APIs, GraphQL, and third-party integrations.
Knowledge of version control (Git, JIRA) and Agile methodologies.
Experience with unit testing frameworks like Jest.
Exposure to cloud services (AWS, Azure, or GCP) and containerization (Docker, Kubernetes).
Strong problem-solving and debugging skills.
