Reachto Sakthidass

MERN Stack Developer with 2+ years of hands-on experience building full-stack web applications using MongoDB, Express.js, React.js, Node.js, and Redux. Strong proficiency in JavaScript (ES6+), HTML, CSS, and RESTful API design, with experience integrating third-party libraries and payment gateways. Delivered production systems supporting 10,000+ active users, achieved 100% backend automation, and implemented secure, scalable APIs with JWT authentication.

Strong problem-solver with clean coding practices and proven team collaboration, seeking to contribute to a dynamic MNC environment.

MERN Stack Developer - Osiz Technologies Pvt Ltd - Madurai

(2023-07 - 2025-09)

• Built full-stack web applications using MongoDB, Express.js, React.js, and Node.js with responsive UI using React.js & Tailwind CSS.
• Designed RESTful APIs and integrated MongoDB for dynamic data handling, working with third-party libraries and APIs.
• Followed MVC/Layered Architecture principles, organizing code using Controllers, Services, Models, and Routes for maintainable backend design.
• Collaborated in an Agile/Scrum environment with daily standups and sprint planning, working closely with UI/UX designers and cross-functional teams.
• Optimized applications for multiple delivery platforms — mobile and desktop — ensuring consistent performance and responsive behavior across devices.
• Designed database schemas and scalable application architecture, integrating multiple data sources into unified systems for consistent performance.
• Implemented automated testing and unit tests (Jest, React Testing Library) to ensure code reliability, and followed accessibility and security compliance best practices across projects.
• Led a project as Team Lead, mentoring and guiding a junior developer through code reviews and task planning.
• Automated backend workflows with Agenda jobs, enabling server auto-run and eliminating manual operations.
• Built secure APIs with JWT authentication, role-based access, rate limiting, and HTTPS encryption.
• Engineered real-time features (live chat, payments) using WebSocket, Razorpay.
• Built a blockchain app using Web3.js smart contracts for secure automation.
• Delivered production apps via CI/CD pipelines and GitHub collaboration.

MERN Developer - Freelance - Remote

(2025-10 - 2026-05)

• Developed full-stack MERN applications with responsive UI using React.js, Redux, and Tailwind CSS.
• Built RESTful APIs with Node.js and Express.js, integrating MongoDB and third-party libraries for dynamic data handling.
• Implemented JWT authentication, role-based access control, and secure HTTPS communication.
• Integrated real-time features using WebSocket and payment processing via Razorpay.

Bachelor of Engineering (B.E.) - Mechanical Engineering - PET Engineering College (2014-01 - 2018-12)