Sanjay Gawai

Full Stack Engineer with 2.7+ years of experience building web, mobile, SaaS, and FinTech applications using React.js, React Native, TypeScript, Node.js, Express.js, MongoDB, and PostgreSQL. Experienced in REST API development, authentication, role-based access control, database-driven workflows, third-party integrations, real-time features, and production deployment. Built and maintained products across FinTech, healthcare, SaaS, B2B commerce, and real-time communication using AI-assisted development workflows.

AI Full Stack Engineer at RescueClick Pvt. Ltd. (2025-08 – Present)

• Develop and maintain production FinTech, SaaS, healthcare, and real-time applications using React Native, React.js, TypeScript, Node.js, MongoDB, and PostgreSQL.
• Build REST APIs and backend workflows for authentication, role-based access control, partner management, customer workflows, document processing, notifications, and third-party integrations.
• Develop web and mobile features including dashboards, payment workflows, customer management, real-time queue management, and application operations.
• Handle production debugging, database operations, deployment, maintenance, and feature releases across multiple applications.

Associate Software Engineer at Career Survival Japan (2024-01 – 2025-08)

• Developed web applications for Japanese B2B clients using React.js, TypeScript, Node.js, Express.js, MongoDB, and REST APIs.
• Implemented frontend features, backend business logic, authentication, API integrations, and database-driven workflows based on client requirements.
• Collaborated with international teams using Git-based development, code reviews, debugging, and structured feature delivery.

B.Tech in Electronics and Telecommunication – CSMSS Chh. Shahu College of Engineering (2021-08 – 2024-08)