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

About Relinns Technologies
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Job Title : Senior Node.js Developer
Experience : 5 to 10 Years
Location : Gurugram (5 days WFO) | Initial 15 days in Udaipur (expenses covered)
Notice Period : 1 Month or less
Role Overview :
We are hiring a Senior Node.js Developer to lead and deliver scalable solutions, drive best practices, and mentor engineers. Strong Node.js expertise is mandatory (MERN experience welcome with Node.js depth).
Mandatory Skills :
Node.js, Express.js, Data Structures & Algorithms, System Design (HLD/LLD), CI/CD, Git, Agile, Async programming, Debugging & Performance Optimization.
Key Responsibilities :
- Lead development and ensure high‑quality delivery.
- Gather requirements, design (HLD/LLD), and implement solutions.
- Optimize performance, scalability, and integrations.
- Mentor team members and support hiring.
- Collaborate in Agile teams and enforce coding best practices.
Required Skills :
- 5 to 10 Years in backend with Node.js/Express.js.
- Strong in DSA, problem‑solving, and system design.
- Experience with CI/CD, Git, and Agile methodologies.
- Expertise in async programming, debugging, and performance tuning.
- Excellent communication and collaboration skills.
Nice to Have : MERN stack exposure, cloud (AWS/Azure/GCP), Docker, caching/queues.
Interview Process :
- AI Technical Interview
- System Design Round (HLD & LLD)
- Data Structures & Algorithms
- HR Interview
Location :
- Primary : Gurugram (Digital Greens, Sector 61)
- Initial 15 days : Udaipur (A‑square, Shobhagpura)
Note : Preference for Gurugram/NCR candidates. Stable profiles only.
Our Tech Stack :
- PHP, Code igniter, MVC Framework
- Node JS, React JS, JavaScript, HTML, CSS
- Ajax, JQuery - Redis, SQL/Maria DB
- Linux
Few Challenges we are working on right now:
- Working on various optimization to improve page speed.
- Improving Server Response & Load balancing.
- Server side development on various projects.
- Customized CRM to increase leads handled per salesperson to double a day.
- Create a platform for users to create
Job Objectives:
- Integration of user
- facing elements developed by front
- end developers with server
- side logic
- Optimize web applications to maximize speed and scale. Support diverse clients from high
- powered desktop computers to small mobile devices
- Optimization of the application for maximum speed and scalability
- Implementation of security and data protection
- Collaborate with senior management, operations & business team
- Building Rest APIs and maintain Database optimizations
Looking For:
- Great understanding of Node, react, Express, Socket.io, MVVM framework
- Worked on e- commerce website, server handling and deployments scripts
- The one who has worked on customer facing product for 2 years
- Strong knowledge of MEAN stack ( Min 1 yr professional working experience) with basic understanding of LAMP
- Experience designing scalable, fault tolerant systems and databases.
Node.js and frameworks available for it - Express, StrongLoop, etc
Understanding the nature of asynchronous programming and its quirks and workarounds
Integration of user-facing elements developed by front-end developers
front-end technologies - HTML5, and CSS3
Writing scalable, reusable, testable, and efficient code






