Backend Developer(Node.js)

Delta4 Infotech; Sahibzada Ajit Singh Nagar; On-site; INR 600,000 - 1,200,000; Full time

Job summary

A technology company in Punjab is seeking a Backend Developer (Node.js) to build and maintain high-performance backend systems. The ideal candidate will have a strong command in JavaScript and experience with Node.js and API design. You'll work closely with AI and product teams to integrate intelligent functionalities into production applications. Candidates are encouraged to apply with a CV and GitHub profile.

Qualifications

• Strong command in JavaScript (ES6+) and Node.js.
• Practical exposure with Express.js or NestJS frameworks.
• Good knowledge of API design, authentication (JWT/OAuth), and middleware.

Responsibilities

• Build and maintain backend services using Node.js, Express.js, or NestJS.
• Improve application performance, reliability, and scalability.
• Design, implement, and refine RESTful APIs and GraphQL endpoints.

Skills

JavaScript (ES6+)

Node.js

Express.js

RESTful APIs

Git

Docker

MongoDB

MySQL

PostgreSQL

AI frameworks

Job description

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Delta4 Infotech Pvt. Ltd., the team behind YourGPT, is building AI‑driven solutions to help businesses automate and scale. We are looking for a Backend Developer (Node.js) to join our team in Mohali. You will be responsible for developing and maintaining high‑performance, scalable backend systems that power our AI‑driven products. In this role, you will work closely with the AI and product teams to integrate intelligent, real‑time functionalities into production‑ready applications.

Key Responsibilities

• Build and maintain backend services using Node.js, Express.js, or NestJS.
• Improve application performance, reliability, and scalability.
• Design, implement, and refine RESTful APIs and GraphQL endpoints.
• Work with databases such as MongoDB, PostgreSQL, and MySQL to manage data efficiently.
• Integrate AI APIs, LLM services, and automation workflows into the system.
• Stay updated with the latest advancements in JavaScript, Node.js technologies, and AI development practices.
• Collaborate with the frontend team and AI engineers to deliver features efficiently and intelligently.

Requirements

• Strong command in JavaScript (ES6+) and Node.js.
• Practical exposure with Express.js or NestJS frameworks.
• Good knowledge of API design, authentication (JWT/OAuth), and middleware.
• Hands‑on experience with database systems including MongoDB, MySQL, or PostgreSQL.
• Strong grasp of asynchronous programming and event loop in Node.js.
• Exposure to Git, Docker, and CI/CD pipelines.
• Familiarity with current AI frameworks, SDKs, and API integrations (e.g., OpenAI, LangChain, Gemini, etc.).

Good To Have

• Practical experience with AI API integrations, chatbot systems, or automation tools.
• Understanding of microservices, serverless architecture, or WebSocket programming.
• Practical exposure to deploying Node.js applications to cloud environments (AWS, Azure, GCP).
• A proactive mindset to experiment with emerging AI developer tools.

Interested applicants may submit their application via the provided form and are requested to attach their CV along with a portfolio or GitHub profile link.

Skills: automation, express, ai, sql, mysql, node.js, ai automation, mongodb, ai tools, git, docker, postgressql, api, javascript

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