Node.js Developer

Job Title : Principal Backend Engineer (AI-Driven)

Experience : 10+ Years

Location : Chandigarh

Tech Stack : PHP, Node.js, Laravel, MySQL, MongoDB

Additional Requirement : Hands-on experience with AI technologies, APIs, or ML integrations

Role Overview :

We're looking for a Principal Backend Engineer (AI-Driven) to design and lead scalable backend systems while driving AI adoption across products.

The role involves integrating AI-powered features, architecting intelligent systems, and mentoring engineering teams on modern backend and AI implementation.

Key Responsibilities :

• Design and lead backend architecture using PHP (Laravel/CodeIgniter) and Node.js
• Build scalable microservices / modular backend systems
• Develop APIs and backend workflows for AI-driven features
• Integrate AI APIs (OpenAI, LangChain or similar frameworks)
• Work with LLMs, embeddings, vector databases, and AI pipelines
• Ensure performance, scalability, and security of backend systems
• Mentor engineering teams and drive backend + AI best practices

Requirements :

• 10+ years of backend development experience
• Strong expertise in PHP / Node.js, MySQL, MongoDB
• Hands-on experience integrating AI/ML APIs or AI-powered features
• Strong system design and architecture skills
• Experience leading engineering teams

Good to Have :

• Prompt engineering or AI cost optimization
• Exposure to MLOps / ML pipelines

What you will be doing

● Building and maintaining micro services.

● Develop new features and improve existing features of the application.

● Coding, Implementing, Unit Testing and Documenting Typescript and Javascript based services.

● Design, build, and maintain efficient, reusable, and reliable code.

● Code reviews and ensuring adherence to software development standards.

● Contribute to team and organizational improvements in process and infrastructure.

● Participating in requirements gathering and functional specification activities.

● Resolving and helping to mitigate production issues.

About the job:

You'll be responsible for building backend of our platforms. You must know Mongodb, and Node.js.

Expectations:

Develop backend API’s.

Strong ability to design and configure schema and MongoDB data modelling

Assuring the complete stack is designed and built for high performance and scalability.

Your Requirement:

Must know Mongodb and Node.js.

Work experience of minimum 2 years.

Worked with startups and evolved products for scale.

Preferred:

Growth mindset & leadership abilities to work in a frugal environment.

Personality fit 

Looking to hire a Backend developer, who wakes up every day with the zeal of learning something new - a mind that is always curious. Not only this, he should be proud to have a good experience on algorithms and understand his technology at the atomic level.

Preliminary requirements for the role

1. Should understand the architecture of Node Js language, and must have had at least 1 year of solid experience in writing robust code in this language.
2. Should be well versed with basic algorithms on ( array, Linked list, stack, queue)- Yes, we do ask questions associated with time and space complexity for the above-mentioned algorithms
3. Thorough understanding of MySQL, in that, creating all types of joins ( inner, outer, left, and right) on multiple tables, views, and triggers are a piece of cake for you.
4. Further, you should have a decent understanding of database designs so that you can make quick decisions about normalization, inclusion/exclusion of foreign keys, etc
5. Should have a decent understanding of code repository tool such as GitHub
6. Should be well versed with the basics of AWS ( understanding of cloud architecture would be a plus)
7. Should be aware of the commonly used encryption techniques such as JWT, API encryption, Token management, etc
8. Exposure to working in E-commerce related applications as well as in a startup environment would be an add on. 

Node  js

Job Description

We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the client. Your primary focus will be the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the client end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

Roles and Responsibilities 

• Integration of user-facing elements developed by front-end developers with server-side logic.
• Writing reusable, testable, scalable, and efficient code.
• Design and implementation of low-latency, high-availability, and high-performance applications.
• Implementation of security and data protection.
• Integration of data storage solutions { databases, key-value stores, blob stores, etc.}
• Familiarity with database Technology Such as MySQL, Oracle, and MongoDB. 

Desired Candidate Profile 

• Strong proficiency with JavaScript
• Knowledge of Node.js and frameworks available for it {such as Express etc }
• Knowledge of Micro Services Architecture and API Gateway.
• Understanding the nature of asynchronous programming and its quirks and workarounds.
• Good understanding of server-side templating languages {such as PUG, Jade, EJS, etc }
• Good understanding of server-side CSS preprocessors {such as SCSS, SASS, etc }
• Basic understanding of front-end technologies, such as HTML5, CSS3, and DOM manipulation.
• Understanding accessibility and security compliance 
• User authentication and authorization between multiple systems, servers, and environments.
• Integration of multiple data sources and databases into one system
• Understanding fundamental design principles behind a scalable application
• Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform
• Creating database schemas that represent and support business processes
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git
• Strong knowledge of Linux operating systems such as Ubuntu, CentOS.
• Basic knowledge of Cloud machines such as Elastic compute.
• Basic knowledge of Cloud Storage such as AWS S3, etc