4Bell Technology

Job Description

Key Responsibilities:
• Develop and maintain scalable backend services using Node.js and Express.js.
• Build and integrate RESTful APIs and GraphQL endpoints.
• Design database schemas and write optimized queries in Microsoft SQL Server.
• Analyze existing data models and query patterns; propose and implement performance optimizations (indexes, query tuning, caching).
• Create responsive front-end interfaces using React.js, Bootstrap, Material UI, and custom CSS.
• Write clean, well-structured, and reusable code. • Debug, optimize, and maintain both front-end and back-end code.
• Collaborate with cross-functional teams.
• Participate in Agile development processes, code reviews, and sprint planning.
Required Skills:
• Strong proficiency in Node.js and Express.js with a solid understanding of backend architecture.
• Experience building and maintaining RESTful APIs and GraphQL services.
• Solid working experience with MySQL database — queries, joins, stored procedures.
• Front-end development skills with React.js, Material UI, Bootstrap, and CSS.
• Good understanding of JavaScript (ES6+), HTML5, and responsive design principles.
• Familiarity with Git, Postman, and Agile/Scrum workflows.
• Ability to write maintainable, testable code and work independently.
• Basic knowledge of DevOps activities.
• A genuine passion for data: eager to explore schemas, understand how data flows, and continuously refine database performance.