NodeJs Backend Intern

About the Role

We are looking for a motivated Node.js Backend Intern who has a basic understanding of backend development, PostgreSQL databases, REST APIs, and AI/LLM integrations.

As an intern, you will work closely with our backend development team on real-world projects involving Node.js, PostgreSQL, REST APIs, and OpenAI models. You will get hands-on experience building backend services, working with databases, debugging APIs, and integrating AI capabilities into backend applications.

Key Responsibilities

• Develop and maintain backend APIs using Node.js.
• Work with Express.js / LoopBack / similar Node.js frameworks.
• Design and work with REST APIs and understand request/response flows.
• Write SQL queries and perform CRUD operations using PostgreSQL.
• Work with database relationships, joins, indexes, and basic query optimization.
• Integrate OpenAI APIs/models into Node.js backend applications.
• Understand how to send prompts, process model responses, and integrate AI-generated output into application workflows.
• Work with JSON data and handle API responses/errors effectively.
• Debug backend issues and troubleshoot API and database-related problems.
• Write clean, readable, and maintainable JavaScript/TypeScript code.
• Work with Git for version control and follow standard branching and development practices.
• Collaborate with senior developers and learn existing project architecture and coding standards.
• Test APIs using tools such as Postman or similar API testing tools.
• Document APIs, database changes, and implementation details when required.

Required Skills

• Basic understanding of Node.js and backend development.
• Understanding of asynchronous programming, Promises, and async/await.
• Basic knowledge of REST API development.
• Familiarity with npm and Node.js packages.
• Basic understanding of Express.js or another Node.js backend framework. PostgreSQL / SQL
• Basic to intermediate understanding of PostgreSQL.
• Comfortable writing:
• SELECT , INSERT , UPDATE , DELETE , JOIN , GROUP BY , ORDER BY, WHERE
• Understanding of primary keys, foreign keys, and database relationships.
• Basic understanding of database normalization and indexing.

OpenAI / AI Integration

• Basic understanding of OpenAI APIs/models.
• Understanding of how APIs are integrated into a Node.js backend. Ability to work with prompts and structured JSON responses. Basic understanding of concepts such as:
• LLMs
• Tokens
• Prompt engineering
• System/user prompts
• Structured outputs
• API response handling
• Willingness to learn and experiment with AI-based backend functionality. General Development Skills
• Basic knowledge of JavaScript or TypeScript.
• Familiarity with Git/GitHub/Bitbucket.
• Basic debugging and problem-solving skills.
• Good understanding of JSON.
• Familiarity with Postman or similar API testing tools.

Good to Have

• Experience with TypeScript.
• Experience with LoopBack.js or Express.js.
• Experience building a small Node.js REST API project.
• Experience working with PostgreSQL in a real project.
• Previous experience integrating OpenAI or other LLM APIs.
• Basic knowledge of authentication such as JWT.
• Understanding of Docker and basic deployment concepts.
• Familiarity with AWS or any cloud platform.
• Understanding of ORM/query-builder tools such as Sequelize, Prisma, TypeORM, or similar.

What We Are Looking For

• Strong willingness to learn backend development.
• Good problem-solving and debugging ability.
• Ability to understand an existing codebase and make small changes independently.
• Good communication and collaboration skills.
• Ability to research and understand new technologies independently. Attention to code quality and detail.
• Interest in AI-powered backend development.