About UsefulBI : UsefulBI is a leading AI-driven data solutions provider specializing in data engineering, cloud transformations, and AIpowered analytics for Fortune 500 companies. We help businesses turn complex data into actionable insights through our innovative products and services.Role Overview : We are looking for a skilled Full-Stack MERN / MEAN Developer who can design, develop, and maintain scalable applications using MongoDB, Express.js, React / Angular and Node.js . You will work closely with cross-functional teams to deliver high-quality software solutions.Key Responsibilities : Develop and maintain web applications using the MERN / MEAN stack.Build RESTful APIs and integrate third-party servicesDevelop responsive UI components using ReactWrite clean, scalable, and reusable code following best practicesOptimize performance and troubleshoot issues across the full stackWork with Version Control (Git) and CI / CD pipelinesCollaborate with product, design, and QA teams in an Agile environmentParticipate in code reviews and contribute to technical documentationRequired Skills : Strong hands-on experience with MongoDB, Express.js, React, Node.jsProficiency in JavaScript & ES6+Experience in HTML5, CSS3, Bootstrap / TailwindUnderstanding of REST API developmentExperience with State Management (Redux / Context API)Hands-on with Git / GitHub / GitLabFamiliarity with API testing tools (Postman / Insomnia)Knowledge of database design and query optimization
Stack Engineer • Delhi, Delhi, India