Senior Backend Developer

Role Overview: You will be joining as a Senior Node.js Engineer at KoinBX, a centralized cryptocurrency exchange based in Madurai, TamilNadu, India. KoinBX has a successful track record of over six years in the industry, with a focus on making crypto trading secure, simple, and accessible globally. As part of KoinBX's Engineering team, you will play a crucial role in developing scalable, secure, and high-performance solutions that drive the future of digital finance in the Web3 revolution. Key Responsibilities: - Design, develop, and maintain RESTful APIs and backend services using Node.js and TypeScript. - Implement robust and scalable solutions following industry best practices and design patterns. - Utilize NoSQL and SQL databases such as MySQL, MongoDB, and Redis for efficient data storage and retrieval. - Develop and deploy secure and reliable authentication and authorization mechanisms. - Engage in all stages of the software development lifecycle, including requirements gathering, design, testing, and deployment. - Write clean, well-documented, and maintainable code while adhering to coding standards. - Collaborate effectively with cross-functional teams including frontend engineers, product managers, and QA engineers. - Troubleshoot and debug issues efficiently while staying updated with the latest advancements in Node.js, TypeScript, and related technologies. Qualifications Required: - 5+ years of professional experience in backend development with a strong focus on Node.js and TypeScript. - Strong understanding of Node.js frameworks like Express.js and NestJS. - Proficiency in TypeScript, with experience in building scalable and maintainable applications. - Solid grasp of RESTful API design principles and best practices. - Experience with asynchronous programming patterns such as Promises and Async/Await. - Working knowledge of databases (SQL/NoSQL) like MySQL, MongoDB, and Redis. - Strong understanding of security principles and best practices for web applications including authentication, authorization, and data encryption. - Excellent problem-solving, analytical, and debugging skills along with effective communication and collaboration abilities. Additional Company Details: KoinBX offers a performance-driven work environment that values ownership and innovation. You will have the opportunity to contribute to the evolution of the cryptocurrency industry and develop customer-facing technology products for a global user base. The company fosters a meritocratic, transparent, and open work culture with high visibility in the global blockchain ecosystem. (Note: Application Questions and Perks & Benefits sections have been omitted as they are not relevant for the role description.),