Polestar Solutions - Senior Node.js Backend Developer - Python Frameworks

We are looking for a highly skilled Senior Node.js Backend Developer with deep expertise in designing scalable, high-performance backend systems.

The ideal candidate will have hands-on experience in Generative AI (GenAI), working with large language models (LLMs), and be comfortable using modern AI-assisted development tools such as GitHub Copilot, Cursor, or similar intelligent editors.

The role involves designing complex system architectures, optimizing databases (preferably MySQL), integrating third-party APIs and GenAI models, and collaborating with cross-functional teams to deliver intelligent, future-ready software solutions.

Strategic Responsibilities :

- Design and develop robust, scalable, and intelligent backend applications using Node.js and related framework.

- Work on GenAI-driven systems, integrating large language models (LLMs) and AI APIs into backend workflows.

- Utilize AI-assisted coding tools (e.g., Copilot, Cursor) to improve efficiency and maintain high code quality.

- Design, optimize, and maintain MySQL database schemas, ensuring scalability, performance, and data integrity.

- Architect complex backend systems, implementing microservices, event-driven designs, and distributed processing.

- Perform rigorous testing, including unit and integration testing, to ensure application stability and

reliability.

- Debug and resolve technical issues, ensuring timely and sustainable solutions.

- Participate in code reviews to maintain code quality and promote knowledge sharing.

- Mentor junior developers and support team-wide technical growth.

- Perform market research and opportunity assessments on new concepts and ideas.

Required Experience :

- 38 years of experience in backend development with a focus on Node.js and scalable system design.

- Hands-on experience with Generative AI (GenAI), LLMs (OpenAI, Gemini, Claude, etc.), and AI API integration.

- Proficiency in JavaScript and TypeScript, including asynchronous programming and performance optimization.

- Proficient in developing and consuming RESTful APIs.

- Solid understanding of version control systems, especially Git.

- Strong debugging, analytical, and problem-solving skills.

- Experience with TypeScript in a Node.js environment.

- Familiarity with Redis, RabbitMQ, or other caching/message-queue systems.

- Hands-on experience with Docker and container-based deployment.

- Familiarity with unit testing frameworks such as Mocha, Chai, or Jest.

- Knowledge of security best practices in backend development (e.g., OAuth2, JWT, SQL injection prevention).

- Basic understanding of frontend technologies (HTML, CSS, and JavaScript frameworks).

Soft Skills :

- Excellent verbal and written communication skills.

- Ability to work both independently and collaboratively in a fast-paced, agile environment.