Mahendra Solanki

Results-driven MERN Stack Developer with 2+ years of professional experience designing and delivering scalable enterprise web applications across Recruitment, Content Management, Election, and Warranty domains. Proficient in React.js, Node.js, Express.js, MongoDB, PostgreSQL and Redis with a proven track record of reducing API response times by 20% and improving database query performance by 30%. Skilled in RESTful API Design, Role-Based Access Control (RBAC), Payment Gateway Integration (Razorpay, PayPal), PhonePe, and OAuth 2.0 Authentication.

Passionate about building secure, high-performance, and maintainable full-stack applications.

MERN Stack Developer at KayJay Global Solutions Pvt. Ltd (2024-12 – Present)

• Architected and Developed and maintained 4+ enterprise applications including Recruitment Management System (RMS), Election Management System, Content Management Systems (CMS), and Warranty Management System supporting multi-role platforms.
• Engineered and optimized RESTful APIs using Node.js, Express.js, MongoDB, and PostgreSQL to support scalable backend services, implementing pagination, caching strategies, API optimization, and indexing for efficient handling of large datasets and high user traffic.
• Implemented Role-Based Access Control (RBAC) and hierarchical permission systems managing Admin, Recruiter, Moderator, and User roles, improving application security and access governance.
• Designed and optimized relational and NoSQL database schemas using PostgreSQL, MongoDB, and Sequelize ORM, improving query performance by 30% through indexing and optimized data structures.
• Executed database migrations and schema updates using Sequelize migrations, ensuring smooth deployment of new features and maintaining database consistency across environments.
• Integrated Razorpay Payment Gateway for handling subscriptions, transactions, and automated billing workflows, enabling secure payment processing for SaaS features.
• Collaborated with Frontend Developers and AI Engineers to integrate backend APIs with React.js applications and AI-driven modules, improving UI responsiveness and reducing API response time by 20%.

Bachelor of Computer Application in Computer Science in Computer Science – MohanLal Sukhadia University (2019)