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

We are looking for a passionate and skilled Node.js Developer to join our dynamic team. If you're excited about building scalable and efficient backend applications using modern technologies, we’d love to hear from you!

Responsibilities

Develop and maintain server-side components using Node.js

Design and build scalable RESTful APIs

Ensure high performance and responsiveness of applications

Implement security and data protection measures

Collaborate with team members to define and deliver high-quality software

Write unit and integration tests to ensure software quality

Required Skills

✅ Strong proficiency in JavaScript

✅ Good understanding of Node.js and Express

✅ Experience with NoSQL databases, especially MongoDB

✅ Familiarity with Git and version control workflows

✅ Ability to write reusable, testable, and efficient code

✅ Experience with JWT and modern authorization mechanisms

✅ Knowledge of security and data protection best practices

✅ Strong analytical and problem-solving skills

• Design, implement, and maintain API-based applications and REST services.
• Proficiency with Node JS.
• Must have experience in cloud services Azure Cloud/AWS.
• Familiarity with database technology such as MySQL, PostgreSQL, and MongoDB.
• Develop high-quality, efficient, and scalable code.
• Understanding of Agile methodologies and SCRUM framework Strong debugging, analytical and problem-solving skills.
• Provide technical support during implementation efforts, working with technical team members and with business users as required to provide troubleshooting and solutions to technical issues.

At DotPe, we rely on our dynamic team of engineers to solve the many challenges and puzzles that come with our rapidly evolving technical stack. We’re seeking a Technical Lead Backend who is ready to work with new technologies and architectures in a forward-thinking organization that’s always pushing boundaries. Here, you will take complete, end-to-end ownership of projects across the entire stack. Our ideal candidate has experience building products across the stack and a firm understanding of web frameworks, APIs, databases, and multiple back-end languages. You’ll be joining a small team working at the forefront of new technology, solving the challenges that impact back-end architecture, and ultimately, delivering amazing global user experiences.

Technical Lead Backend

Responsibilities:

• Build cutting-edge, scalable systems by writing simple and efficient code, and pushing your design and architecture limits for new product development
• Optimize APIs for applications while creating and maintaining unit/integrations test suites
• Participate in all aspects of agile software development including design, implementation, and deployment
• Design and provide guidance on building end-to-end systems optimized for speed and scale
• Develop new features and infrastructure development in support of rapidly emerging business and project requirements
• Assume leadership of new projects from conceptualization to deployment
• Ensure application performance, uptime, and scale, maintaining high standards of code quality and thoughtful application design
• Work with agile development methodologies, adhering to best practices and pursuing continued learning opportunities
• Work and collaborate closely with tech, product, and business teams to understand requirements and translate them into quality software products

We are looking for a highly capable Node.js developer to optimize our mobile-based application performance. You will be collaborating with our front-end application developers, designing back-end components, and integrating data storage and protection solutions.

To ensure success as a Node.js developer, you should possess extensive knowledge of Node.Js based services and experience in a similar role. An accomplished Node.js developer will be someone whose expertise results in the stable, fast, and secure exchange of data between servers and end-users.

Roles and Responsibilities

• Actively participate in the overall application lifecycle.
• Focus on coding and debugging.
• Collaborate with front-end developers.
• Define and communicate technical and design requirements.
• Build a high-quality reusable code that can be used in the future.
• Create sustainable and functional web applications with clean codes.
• Learn about new technologies and stay up to date with current best practices.
• Conduct UI tests and optimize performance.
• Train, help, and support to other team members.

Requirements

• Hands-on backend mobile app/web development experience
• At least four years' experience as a Node.js developer.
• Hands-on experience of working on MongoDB database
• Knowledgeable of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3
• Good understanding of server-side CSS pre-processors
• Proven experience creating user authentication and authorization between multiple systems, servers, and environments
• Capability to integrate multiple data sources and databases into one system
• Proven experience managing of hosting environment, that includes database administration and scaling an application to support load changes
• Ability to setup, administer of backups, data migration, transformation, and scripting.
• Knowledgeable of OWASP security principles
• Understands “session management” in a server environment
• Tech/M.Tech in Computer Science or a related field

Responsibilities for NodeJS Dev

Integration of user-facing elements developed by front-end developers with server side logic.

Writing reusable, testable, and efficient code.

Design and implementation of low-latency, high-availability, and performant applications.

Implementation of security and data protection.

Integration of data storage solutions redis, mongodb.

Skill Requirement:

Strong proficiency with JavaScript or TypeScript.

Strong Knowledge of Node.js and frameworks available for it such as Express, StrongLoop.

Understanding the nature of asynchronous programming and its quirks and workarounds.

Good understanding of server-side templating languages.

Good understanding of server-side CSS preprocessors such as Stylus, Less.

Basic understanding of front-end technologies, such as HTML5, and CSS3.

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.