NodeJS Developer

Job Title : Senior Full Stack Developer (React.js, Node.js, C#, .NET)

Experience : 8+ Years

Location : Gurgaon, Haryana

Work Mode : Hybrid (As per Samsung Policy)

Shift : 07:00 PM – 04:00 AM (IST)

Job Summary :

We are looking for a Senior Full Stack Developer with strong expertise in C#, .NET Core, React.js, NestJS, Node.js, SQL Server, and SSO integrations to build and maintain enterprise-grade applications in a Windows Server environment.

Mandatory Tech Stack :

Frontend : React.js, Redux Toolkit (RTK)

Backend : C#, .NET Core, Node.js, NestJS

Database : SQL Server, TypeORM

Authentication : Active Directory, OIDC, SAML

Environment : Windows Server

Key Responsibilities :

• Develop scalable web applications using React.js, C#, .NET Core, Node.js, and NestJS.
• Build and maintain REST/GraphQL APIs and backend services.
• Design and optimize SQL Server databases, T-SQL queries, and TypeORM mappings.
• Implement and manage SSO solutions (Active Directory, OIDC, SAML).
• Deploy and support applications on Windows Server environments.
• Conduct code reviews and follow best development practices.

Required Skills :

• 8+ years of software development experience.
• Strong hands-on experience in C#, .NET Core/ASP.NET Core, React.js, NestJS, and Node.js.
• Expertise in Redux Toolkit (RTK), RTK Query, TypeORM, and SQL Server.
• Experience with GraphQL, REST APIs, Windows Server, and SSO integrations.
• Good understanding of application architecture, performance optimization, and security.

Responsibilities:

* Collaborate with cross-functional teams on project requirements and deliverables

* Develop user interfaces using React.JS and Express API's

* Implement database solutions with MongoDB and Node.JS

Key Responsibilities

Frontend & Extension Development

• Build and maintain highly responsive, modern user interfaces using React.js for web applications, browser extensions, and Electron-based desktop clients.

• Architect and develop modular, reusable UI components using Material-UI (MUI / Joy UI) and styled-components/Emotion.

• Manage complex multi-target build pipelines (Web, Extension, Electron) using Webpack and Craco.

AI Integration & Engineering

• Seamlessly integrate Generative AI capabilities into the frontend, including AI-driven chatbots, contextual AI suggestions, and RAG (Retrieval-Augmented Generation) interfaces.

• Collaborate closely with backend and AI specialists to consume AI-powered REST APIs and WebSocket streams, ensuring fluid and responsive user experiences.

• Implement robust markdown and code rendering (e.g., react-markdown) for rich AI conversational outputs.

Real-Time Data & State Management

• Implement low-latency, real-time communication features using Socket.IO for chat and collaborative functions.

• Efficiently manage complex application state, data fetching, and caching using modern tools like React Query and Axios.

Quality & Collaboration

• Work within a monorepo/workspace structure to maintain distinct client, component, and extension packages.

• Participate in code reviews to maintain high code quality, performance, and enterprise security standards.

• Collaborate with teams using Agile/Scrum methodologies for rapid and structured delivery.

Required Skills:

• Core Languages: Proficiency in JavaScript (ES6+) and TypeScript.

• Frontend Frameworks: Strong, hands-on experience with React.js (Hooks, Context), React Query, and React Router.

• Styling & UI: Deep understanding of HTML5, CSS3, and CSS-in-JS libraries (e.g., styled-components, react-jss). Hands-on experience with MUI (Material UI / Joy UI) is highly preferred.

• Architecture & Build: Experience configuring and optimizing builds with Webpack and Craco. Familiarity with npm workspaces/monorepos.

• Real-time & APIs: Ability to design and implement robust client-side integrations with RESTful APIs and WebSockets (Socket.IO).

• Agile & Workflow: Experience working with Agile and Scrum methodologies.

Preferred/Bonus Skills:

• Experience in building and packaging Browser Extensions and/or Electron applications.

• Genuine curiosity and awareness of Generative AI workflows (e.g., prompt engineering concepts, handling streaming AI responses).

• Experience with rich text editing or markdown rendering in React.

Key Responsibilities

Develop and maintain scalable applications using MongoDB, MySQL/PostgreSQL, Node.js, Express.js, React.js, and TypeScript.

Design, develop, and optimize RESTful APIs and GraphQL services.

Lead and mentor a team of developers, ensuring best coding practices, performance, and security.

Collaborate with UI/UX designers, product managers, and DevOps teams to streamline development.

Contribute to AI-powered application development (if experienced in AI/ML).

Required Skills & Qualifications

✅ 2.5+ years of experience in MERN stack development.

✅ Expertise in React.js, TypeScript, Node.js, and Express.js.

✅ Strong database management skills with MongoDB, MySQL, or PostgreSQL.

✅ Proven experience in leading development teams and conducting code reviews.

✅ Excellent problem-solving and communication skills.

✅ Bonus: Experience in AI/ML-based applications is a plus.

Why Join Us?

🚀 Exciting Projects – Work on AI-driven and scalable web solutions.

🤝 Leadership Opportunity – Lead and mentor a talented team of developers.

💰 Competitive Compensation – ₹40K - ₹60K per month.

🏡 Dynamic Work Environment – Collaborative, innovation-driven workplace.

Job Description

We are building a AI first employee referral product for SMBs that is going to change the way employee referrals are handled. We combine modern web technologies and cloud services to deliver a seamless experience both for the organizations and users .

• What You’ll DoBuild and maintain responsive, accessible UIs using React/Next.js, Tailwind CSS, and ShadCN UI
• Develop and scale backend services in Node.js, exposing clean REST or GraphQL APIs
• Integrate with Firebase and AWS for core functionality
• Collaborate with product and design to translate requirements into production-ready code
• Write clear, maintainable tests (unit, integration, end-to-end) and participate in code reviews
• Leverage AI-assisted tools like ChatGPT (and other productivity tools) to work effectively and solve problems faster
• What We’re Looking For1–2 years of professional full-stack development experience
• Strong proficiency in JavaScript/TypeScript, with hands-on work in React and Next.js
• Comfortable styling with Tailwind CSS and building component systems (e.g. ShadCN UI)
• Solid experience in Node.js backend development and API design
• Familiarity with Firebase services and basic AWS SDK usage
• Good understanding of Git workflows and CI/CD practices
• Ability to pick up new tools and frameworks (“and much more”) as needed
• Excellent communication skills, a collaborative mindset, and a bias for action
• Nice to HaveBasic experience with Docker or containerized deployments
• Exposure to GraphQL or server-side rendering best practices
• Any prior work leveraging AI-powered tooling for development productivity
• What We OfferA chance to shape a core product from the ground up
• Flexible, remote-friendly work environment
• Competitive compensation and learning stipends
• A supportive, knowledge-sharing culture with regular hackathons

•  Strong analytical and problem-solving skills
•  Ability to work independently, learn quickly and be proactive
•  10-14 years of hands-on experience working on Web Full Stack technologies, with at least 4-6 years of experience developing applications with/on React/NextJS, NoSQL, REST APIs
•  Proficiency in JavaScript/TypeDcript (ES6), NodeJS, HTML5, CSS3, CSS Preprocessors, Webpack, Gulp
•  Client-side scripting and JavaScript frameworks – jQUery, ReactJS, Redux, Babel, JSX
•  Experience in designing high-performance REST APIs and associated data structures
•  Familiarity with developing microservices using containerization technologies such as docker, Kubernetes, etc.
•  Working knowledge of git and using branches for development

• Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
• Expertise in backend programming with Node.js and MongoDB.
• Experience with React.js and redux.
• Material UI and 3rd party libraries.
• Experience with clean code writing practices like avoiding callback hell like promises, async.
• Thorough understanding of Node.js and its core principles.
• Experience with popular React.js workflows (such as Flux or Redux).
• Familiarity with newer specifications of ECMAScript.
• Experience with data structure libraries (e.g., Immutable.js).
• Familiarity with RESTful APIs.
• Knowledge of modern authorization mechanisms, such as JSON Web Token.
• Familiarity with modern front-end builds pipelines and tools.
• A knack for benchmarking and optimization.
• Familiarity with code versioning tools (such as Git, SVN, and Mercurial).

Responsibilities:

• Build Node.js APIs using microservices.
• Rewriting backend code with microservices architecture & Unit tests.
• Developing new user-facing features using React.js.
• Building reusable components and front-end libraries for future use.
• Translating designs and wireframes into high-quality code.
• Optimizing components for maximum performance across a vast array of web-capable devices and browsers.

Job Role- Senior Developer - Full Stack with Front End Focus

Location- Remote (WFH)

Experience- 6+ years

Work Shift- Uk Shift

Salary Budget- 15-30 Lakh(open for the right candidate)

Note- must have a strong command of both written and spoken English.

We are looking for a number of strong developers - full stack, with strong front-end experience.

We are a full-service Digital Agency & Software Development Company based in UK. We develop high end bespoke software & applications, mobile apps and websites across all sectors, both commercial and not-for-profit.

• 6+ years professional experience
• Proficiency in building REST based APIs, using Laravel (PHP 7+) for complex workflow systems.
• Expertise building component-based web apps/SPAs in JavaScript / ES6 and TypeScript using Vue.js / Vue 2 & 3. 
• Excellent knowledge of CSS and experience in writing stylesheets in SASS
• Proficient understanding of git
• Node.js and npm
• Strong troubleshooting, debugging, and problem-solving skills.
• An ability to quickly get to grips with new systems; whether that be shiny new tech or existing/legacy developments.

• Zend Framework 1, 2 & 3
• Docker
• Mobile app development
• React Native
• ElasticSearch
• Redis
• DevOps
• GitLab pipelines
• Swagger / OpenAPI
• Severless
• Good understanding of core AWS components and how best to utilise them in projects i.e. S3, SQS, SES, Cloudfront etc.

• Working closely with your team to develop and deliver high-end solutions using Agile.
• Coding and deploying new features.
• Ensuring our web applications and components are accessible, responsive, performant, and bug-free for recent versions of web browsers across all popular platforms.
• Ensuring all code is readable, well documented and testable.
• Working with a fantastic group of individuals in a busy but relaxed working environment. 
• Working on some new developments, some significant enhancements to existing system and some support activities

Our MEAN stack team is passionate about technology, and we love building scalable web solutions keeping performance in mind.We're looking for a full stack developer that has experience developing a variety of Web Apps using the MEAN stack. You should be able to comfortably move between the client and server-side code written with JavaScript/TypeScript.

Role + Responsibilities:   

• Work with the team to design, develop and support scalable applications         
• Implementing elegant, intuitive user experience using the latest front-end technologies.         
• Developing API's and designing the data architecture using web frameworks like Express.         
• Write, test, and release production-ready code.         
• Work with our DevOps team to ensure continuous deployments of our applications

Person Specification and Qualifications:

• Experience developing highly scalable services and APIs         
• Knowledge of data modelling and database performance using NoSQL/SQL         
• Strong experience with JS frameworks like Express(any other backend framework), Angular.         
• Familiarity developing SaaS applications in AWS/Azure         
• In-depth knowledge of designing and developing software in distributed architectures for multi-tier applications

Plus points if you're familiar with the following:

• Experience with deployment and CI/CD is a plus!       
• TypeScript implementation with Frontend or Backend applications         
• Knowledge of GraphQL and it's libraries like Apollo, Prisma         
• Have worked with Jest, Enzyme like testing libraries         
• Knowledge of document, key/value or other non-relational database systems such as Elastic Search, Redis, HBase,