Fullstack Developer

Job Title: Full Stack Developer (Node.js + React.js)

📍 Location: Gurgaon (On-site)

🕒 Experience: 5+ Years

🕒 Working Days: 5 Days(Mon-fri)

Job Summary:

We are hiring a passionate and experienced Full Stack Developer proficient in Node.js and React.js for our client. The ideal candidate should have solid experience in designing scalable systems, writing optimized code, implementing role-based access control, handling task prioritization, and building robust web applications.

Key Responsibilities:

• Design scalable user management systems with role-based access and authentication.
• Develop backend services and REST APIs using Node.js.
• Build dynamic and optimized front-end applications using React.js and Redux.
• Handle async operations, task queues, and implement retry and prioritization logic.
• Optimize React components for performance using hooks and memoization.
• Ensure secure and scalable system design with proper error handling and authorization flows.
• Apply JavaScript concepts like closures, event loop, and async patterns in real-world scenarios.
• Collaborate with DevOps for basic CI/CD and deployment processes.

Mandatory Technical Skills:

• Frontend: React.js, Redux, JavaScript (ES6+)
• Backend: Node.js, Express.js
• Authentication & Authorization: JWT, OAuth2, Role-Based Access Control (RBAC)
• Task Management: Async/Await, Promises, Retry Mechanisms
• Database: MongoDB or PostgreSQL
• Version Control: Git

Soft Skills:

• Strong problem-solving and system design skills
• Ability to work independently and in a collaborative team
• Clear communication of technical ideas
• Ownership of tasks and components end-to-end

Focus Areas:

• System Design (User Management, Fault Tolerance, Load Distribution)
• JavaScript Core Concepts (Closures, Scope, Event Loop)
• React Optimization & Hooks
• Node.js Architecture & Async Programming
• Task Prioritization and Retry Logic

Responsibilities

• Design, code, test and manage various applications
• Collaborate with engineering team and product team to establish best products
• Follow outlined standards of quality related to code and systems
• Develop automated tests and conduct performance tuning

Qualifications

• Bachelor's degree in Computer Science or relevant field
• 2+ years of experience working with .NET or relevant experiences
• Languages & Frameworks: C#, ASP.NET MVC, ASP.NET Core, Web API, ADO.NET
• Frontend Technologies: HTML5, CSS3, JavaScript, jQuery
• Database: Microsoft SQL Server (T-SQL, Stored Procedures, Views, Triggers, Joins, Jobs), MS Access
• Tools & Platforms: Visual Studio,
• Methodologies: Agile, Scrum, Jira

A tick against the following skill sets would surely strengthen the candidature

• Strong PHP, JS fundamentals
• PHP frameworks: PHP Laravel
• JS frameworks: Vue.JS
• RDBMS: MySQL, Mongo DB
• UI: HTML5, CSS3, Javascript, Jquery, XML, JSON, Ajax

• REST APIs
• Vue.JS Components (resusable components)
• 1-way / 2-way Binding 
• Custom Filters
• Service, Containers 
• PUT, POST, PATCH, Getter/Setter Methods 
• Repository Patterns 
• Laravel Facade 
• Blade Templates
• Laravel Events 
• Swagger 
• LINT 
• Unit Testing 

About the company:

CogniTensor is an analytical software company that brings data to the heart of decision-making. CogniTensor leverages its product, DeepOptics - an integrated platform  to implement 3A (Automation, Analytics and AI) at scale. 

Cognitensor has customers ranging in Finance, Energy, Commodity, Retail & Manufacturing. More details can be found on our website: https://www.cognitensor.com/">https://www.cognitensor.com/

Our strategic investors include Shell and CIIE.CO (IIM-A/Accenture).

Qualification & Experience:

• BE/B.Tech Degree in Computer Programming, Computer Science, or a related field.

• +2 years experience as a Software Developer.

• Hands on experience in developing finance applications is must

Roles & Responsibilities:

We are looking for a Full Stack Developer to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment. 

As a Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries. You should also be a team player with a knack for visual design and utility. Along with familiar with Agile methodologies and testing skills

• Work with development teams and product managers to ideate software solutions
• Design client-side and server-side architecture
• Develop and manage well-functioning databases and applications
• Write effective APIs
• Write technical documentation
• Excellent communication and teamwork skills

Technical Skills:

Must Have

• React JS
• Git / Bitbucket, 
• Express JS, Python, HTML, CSS, Node JS
• CI/CD like CircleCI
• Postgres or any DB knowledge
• Familiarity with AWS  or Azure or both 

Good to Have

• Docker
• Redux
• Android development
• React Native
• Electron
• GraphQL
• Jira

What’s in for you:

• An opportunity to lead a business segment
• Extensive liaising with customers and partners
• A rewarding career progression

Preferred Location:

Delhi NCR

You will be a part of a full-stack creative team that is responsible for all aspects of the ongoing software development from the initial specification, through to developing, testing and launching.

• Strong knowledge of PHP, MySQL, JavaScript, jQuery, AJAX, HTML5, CSS3.

• Write clean , well-designed code

• Produce detailed specifications

• Troubleshoot, test and maintain the core product software and databases to ensure strong optimization and functionality

• Contribute in all phases of the development lifecycle

• Follow industry best practices

• Develop and deploy new features to facilitate related procedures and tools if necessary

• Proven software development experience in PHP

• Demonstrable knowledge of web technologies including HTML, CSS, JavaScript, AJAX

• Good knowledge of relational databases, version control tools and of developing RESTful web services