MERN Full Stack (React - Node.js) at UpCodo Digital · Noida · 1 - 5 years · ₹3L - ₹7L / yr · Profitable · Posted 13 Nov 2025

About the job
Key Responsibilities
1. Design, develop, and maintain dynamic, responsive web applications using React.js and Node.js.
2. Build efficient, reusable front-end and back-end components for seamless performance.
3. Integrate RESTful APIs and third-party services.
4. Collaborate with UI/UX designers, mobile teams, and backend developers to deliver high-quality products.
5. Write clean, maintainable, and efficient code following modern coding standards.
6. Debug, test, and optimize applications for maximum speed and scalability.
7. Manage databases using MongoDB and handle cloud deployment (AWS, Firebase, or similar).
8. Participate in code reviews, architectural discussions, and agile development cycles.
Required Skills & Experience
1. 1-5 years of proven experience in Full Stack Web Development using the MERN stack.
2. Proficiency in React.js, Node.js, Express.js, MongoDB, and JavaScript (ES6+).
3. Strong understanding of HTML5, CSS3, Bootstrap, and Tailwind CSS.
4. Hands-on experience with API design, state management (Redux, Context API), and authentication (JWT/OAuth).
5. Familiarity with version control tools (Git, Bitbucket).
6. Good understanding of database design, schema modeling, and RESTful architecture.
7. Strong problem-solving skills and ability to work in a collaborative team environment.
Perks & Benefits
- Onsite opportunity in our modern Greater Noida office.
- Competitive salary based on skills and experience.
- Exposure to real-world projects and latest tech stacks.
- Work with a creative and talented team.
- Career growth opportunities in full-stack and cross-platform development.
Benefits:
- Health insurance
- Leave encashment
- Paid sick time
- Paid time off
- Work from home
Application Question(s):
- How many years of _____ experience do you have?
- What is your current CTC?
- What is your expected CTC?

About UpCodo Digital
About
UpCodo Digital is a fast-growing web and mobile app development company based in Greater Noida, India, building modern, scalable, and user-focused digital products. We specialize in AI-powered applications, custom web platforms, cross-platform mobile apps, and SaaS solutions for startups and enterprises across the globe.
Our team works with cutting-edge technologies like React, Next.js, Node.js, Django, Flutter, Swift, Kotlin, and AWS to deliver clean, high-performance software. We focus on strong architecture, intuitive UI/UX, and real business impact.
At UpCodo, we value collaboration, creativity, and continuous learning. We work closely with our clients to bring meaningful ideas to life and create digital experiences that stand out in today’s fast-changing tech world.
Tech stack
Candid answers by the company
T 318 - ARTHA SEZ, Techzone 4, Greater Noida, Uttar Pradesh, India
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We are looking for an experienced Full Stack Developer to join our in-office engineering team in Hyderabad. You will build and maintain scalable, secure, multilingual web and mobile-facing products end to end — from intuitive front-end interfaces to robust back-end services and APIs.
Key Responsibilities
- Design, develop, and maintain front-end (React.js) and back-end (Node.js/Express.js) components.
- Build and integrate secure REST APIs and manage databases (MongoDB / SQL).
- Write clean, testable, well-documented code and participate in code reviews.
- Collaborate with product, design, and QA teams to ship features on schedule.
- Optimise applications for performance, scalability, and security.
- Troubleshoot, debug, and resolve production issues.
Requirements
- 3–10 years of hands-on full-stack development experience.
- Strong proficiency in React.js, Node.js, JavaScript/TypeScript, and REST APIs.
- Solid experience with databases (MongoDB and/or SQL) and version control (Git).
- Good understanding of responsive design, security best practices, and cloud deployment.
- Strong problem-solving skills and the ability to work on-site in a collaborative team.
What We Offer
- Competitive salary
- Opportunity to work on a fast-growing, cross-border product.
- A collaborative, in-office team environment in Hyderabad.
Job Description: React + Node.js Full Stack Developer
Experience: 4+ Years
Location: HP, Bellandur Office, Bangalore
Joining: Immediate Joiners Only
Job Overview
We are looking for an experienced React + Node.js Full Stack Developer to build scalable, responsive, and high-performance web applications. The ideal candidate should have strong hands-on experience in React.js for frontend development and Node.js with Express.js for backend development.
Mandatory Skills
- React.js
- Node.js
- Express.js
- JavaScript (ES6+)
- REST API development and integration
Key Responsibilities
- Develop responsive and user-friendly web applications using React.js.
- Build scalable backend services and APIs using Node.js and Express.js.
- Design, develop, and integrate RESTful APIs.
- Integrate frontend and backend systems.
- Work with databases such as MongoDB, MySQL, or PostgreSQL.
- Write clean, reusable, and maintainable code.
- Troubleshoot, debug, and optimize application performance.
- Participate in code reviews and Agile development activities.
- Implement authentication and authorization mechanisms.
Preferred Skills
- Redux or Context API
- MongoDB, MySQL, or PostgreSQL
- Git version control
- JWT / OAuth authentication
- Basic knowledge of AWS, Azure, or GCP
Candidate Requirements
- Minimum 4 years of relevant development experience.
- Strong hands-on experience in both React.js and Node.js.
- Good understanding of full-stack application development.
- Immediate joiners only, due to urgent project requirements.
- Must be comfortable working from the HP Bellandur office in Bangalore.
Javascript, Callback, Async, Promise, Experience in writing restful APIs, Javascript, Nodejs, ReactJs, MySQL.
Immediate Joiner
Company Description
TopGrep Tech, an ISO 27001:2022 and DPIIT-certified IT pure tech product & services company. We work with global enterprises & startups, covering SaaS, MVPs, AI, RAG, MCP, reliability engineering, DevOps, and cloud innovation.
Role Description
This is a full-time on-site role located in the Greater Bengaluru Area for a Full Stack Engineer. The Full Stack Engineer will design, build, and maintain both front-end and back-end components of web applications. Candidates must demonstrate independent coding ability. Generative AI tools, AI coding assistants, and vibe-coding tools are not permitted during coding interview rounds. They will collaborate with cross-functional teams to deliver high-quality software solutions, ensure efficient system performance, and troubleshoot and resolve bugs and technical issues. This role also involves optimizing applications for maximum speed and scalability while following best practices and coding standards.
Qualifications
- Experience with Back-End Web Development, including server-side programming, APIs and database management
- Proficiency in Front-End Development, including JavaScript & Reactjs frameworks
- Strong foundation in Software Development and Full-Stack Development
- Ability to write, optimize, and debug code
- Excellent problem-solving and communication skills
- Familiarity with version control systems such as Git
- Experience with cloud platforms
- Bachelor's Engineering or Masters degree in Computer Science with equivalent practical experience
Requirements added by the job poster
• Bachelor's Degree
• Commute to this job’s location
• 1+ years of work experience with JavaScript Frameworks
• Working in an onsite setting
• 1+ years of Software Development experience
Skill: React+Node
BPM ID: 114488-23
Budget: Max 15 LPA
Location: HP Bellandur office
Experience: 4+
Note: Only Immediate Joiner’s pls very urgent requireemnt
We are seeking a skilled React & Node.js Developer to join our development team. The ideal candidate will be responsible for building scalable web applications using modern frontend and backend technologies. You will work closely with cross-functional teams to design, develop, and maintain high-performance applications.
Key Responsibilities
- Develop responsive and user-friendly web applications using React.js
- Build scalable backend services and APIs using Node.js and Express.js
- Design and manage RESTful APIs
- Integrate frontend and backend systems
- Work with databases such as MongoDB / MySQL / PostgreSQL
- Write clean, maintainable, and efficient code
- Perform code reviews and participate in agile ceremonies
- Troubleshoot and debug applications
- Optimize applications for performance and scalability
Required Skills
- Strong experience in React.js (Hooks, Redux/Context API)
- Solid experience with Node.js and Express.js
- Good understanding of JavaScript (ES6+)
- Experience with REST APIs
- Knowledge of database systems (MongoDB, MySQL, or PostgreSQL)
- Familiarity with Git version control
- Understanding of authentication & authorization (JWT, OAuth)
- Basic knowledge of cloud platforms (AWS/Azure/GCP) is a plus

* Design, develop, and maintain responsive websites and web applications.
* Build reusable frontend components using React.js.
* Develop scalable backend APIs and services using Node.js.
* Integrate third-party services and payment gateways such as Stripe.
* Build RESTful APIs and integrate with modern databases.
* Optimize applications for maximum speed, scalability, and SEO.
* Collaborate with designers to translate Figma/UI designs into pixel-perfect interfaces.
* Implement authentication, authorization, and security best practices.
* Debug production issues and improve application performance.
* Participate in code reviews and mentor junior developers.
* Work within Agile/Scrum development processes.
AI Agent Frameworks, LangChain, LlamaIndex, OpenAI API,Zapier, HTML5, CSS3, JavaScript,bootstrap3.1,TypeScript, React.js, Next.js, Vue.js, Node.js, Python, PHP, WordPress, Headless CMS, DNS Management, SSL Configuration, Conversion Rate Optimization (CRO), A/B Testing, AWS, Google Cloud Platform (GCP), Cloudflare CDN, AWS S3, Core Web Vitals, Google Trends, Google Search Console, Ahrefs, SEMrush, Google Analytics 4 (GA4), Google Tag Manager (GTM), Meta WhatsApp Cloud API, Twilio, Webhooks, MSG91, REST APIs,claude,github,MYSQL
Technical Skills
● Strong in React / Angular / Vue.
● Required skills: state management, responsive UI design, component-based architecture.
● Strong in at least one backend stack such as Node.js / Java (Spring Boot) / .NET / Python.
● Experience with REST APIs / GraphQL and authentication / authorization.
● Strong in PostgreSQL / MySQL / SQL Server.
● Knowledge of NoSQL such as MongoDB / Redis is a plus.
● Understanding of microservices / modular monolith, API-first design, and event-driven systems at a basic level.
● Familiar with Git, CI/CD pipelines, and Docker.
● Cloud technology exposure in Microsoft Azure / AWS.
We are seeking a skilled React & Node.js Developer to join our development team. The ideal candidate will be responsible for building scalable web applications using modern frontend and backend technologies. You will work closely with cross-functional teams to design, develop, and maintain high-performance applications.
Key Responsibilities
- Develop responsive and user-friendly web applications using React.js
- Build scalable backend services and APIs using Node.js and Express.js
- Design and manage RESTful APIs
- Integrate frontend and backend systems
- Work with databases such as MongoDB / MySQL / PostgreSQL
- Write clean, maintainable, and efficient code
- Perform code reviews and participate in agile ceremonies
- Troubleshoot and debug applications
- Optimize applications for performance and scalability
Required Skills
- Strong experience in React.js (Hooks, Redux/Context API)
- Solid experience with Node.js and Express.js
- Good understanding of JavaScript (ES6+)
- Experience with REST APIs
- Knowledge of database systems (MongoDB, MySQL, or PostgreSQL)
- Familiarity with Git version control
- Understanding of authentication & authorization (JWT, OAuth)
- Basic knowledge of cloud platforms (AWS/Azure/GCP) is a plus
About Vijay Sales
Vijay Sales is a consumer electronics and appliances retailer, selling through its stores across India, its website and its app.
Our technology team builds the software the business runs on: order management, customer support automation over WhatsApp, reviews and ratings, and the dashboards our operations teams use every day.
The role
We are hiring full stack engineers who can take a feature from spec to production across React, Node.js and MongoDB.
You will work on customer-facing and internal products, often both in the same week. One sprint may be a review submission page used by customers on their phones. The next may be an API that pulls order status from our order management system for the support bot.
We are looking for engineers with 3 to 6 years of experience who are comfortable owning both the front end and the back end of what they ship.
What you'll do
- Build responsive, mobile-first interfaces in React using our in-house UI component libraries.
- Design and build REST APIs and background services in Node.js.
- Model data in MongoDB and keep queries fast as collections grow.
- Integrate with the systems the business runs on: order management, ERP, point of sale and ticketing.
- Build messaging flows over WhatsApp, email and SMS, including delivery tracking, retries and fallbacks.
- Work with the conversational AI team to expose order, invoice and support actions to the customer support bot.
- Write tests, review code and own your features in production, including monitoring and fixing what breaks.
- Work directly with product and operations teams to turn a business problem into a working release.
Our stack
React, Node.js and MongoDB are the core. Everything else in the table is what you will connect to or build alongside.
- Front end: React, with Vijay Sales' in-house UI component libraries
- Back end: Node.js services and REST APIs
- Database: MongoDB
- Messaging: WhatsApp Business, Amazon SES for email, RCS and SMS as fallback
- Conversational AI: LangChain and Rasa, behind the customer support bot
- Business systems: Order management (OMS), ERP, POS, Ticketing Systems
What we're looking for
- 3 to 6 years of professional experience building and shipping web applications.
- Strong JavaScript and TypeScript fundamentals: async patterns, the event loop, modules, error handling.
- Solid React skills: hooks, state management, component design, performance on low-end mobile devices.
- Hands-on Node.js experience: building REST APIs, authentication with JWT, role-based access, input validation.
- Working knowledge of MongoDB: schema design, indexing, aggregation pipelines.
- Experience integrating third-party APIs and webhooks, and handling their failures gracefully.
- Comfort with Git, code review, automated tests and CI/CD.
- Clear written and spoken communication. You will talk to operations and business teams, not only engineers.
Nice to have
- Experience with the WhatsApp Business API, Gupshup or similar messaging platforms.
- Exposure to LLM application development: LangChain, retrieval, tool calling, or bot frameworks such as Rasa.
- Background in retail, e-commerce or order management systems.
- Experience integrating with ERP or POS systems.
- Familiarity with AWS, Redis and message queues.
- React Native or other mobile app experience.
Why join and how to apply
- Your work reaches real customers and store teams quickly. There is very little distance between a release and the people who use it.
- You own features end to end, from the first conversation with the business team to production.
- You get hands-on exposure to conversational AI and LLM-based products alongside core full stack work.
Job Title : Full-Stack Developer (React.js / Next.js + PHP / Node.js)
Experience : 2+ Years
Location : Gurugram, Sector 43
Work Mode : 5 Days WFO (Monday–Friday)
Employment Type : Full-Time
Job Summary :
We are looking for a Full-Stack Developer with 2+ years of experience in building modern web applications using React.js, Next.js, and PHP (Laravel preferred) or Node.js.
The ideal candidate should have strong frontend development skills along with backend development and database management experience.
Mandatory Skills :
React.js, Next.js, PHP (Laravel) / Node.js, JavaScript, TypeScript, REST APIs, PostgreSQL/MySQL, Git, SSR, SSG, ISR.
Key Responsibilities :
- Develop and maintain web applications using React.js and Next.js.
- Implement SSR, SSG, and ISR for performance and SEO optimization.
- Build reusable and responsive UI components.
- Develop and integrate REST APIs using PHP (Laravel) or Node.js.
- Manage and optimize PostgreSQL/MySQL databases.
- Collaborate with cross-functional teams and participate in code reviews.
Required Skills & Qualifications :
- 2+ years of professional experience in Full-Stack Web Development.
- Strong proficiency in JavaScript (ES6+) and TypeScript.
- Hands-on experience with React.js and Next.js.
- Good understanding of Next.js features including App Router and Server Components.
- Experience with PHP and Laravel framework.
- Knowledge of Node.js and backend API development.
- Strong understanding of RESTful APIs and client-server architecture.
- Experience working with PostgreSQL and/or MySQL databases.
- Proficiency with Git, npm/yarn/pnpm, and modern development workflows.
Preferred Skills :
- Experience with authentication mechanisms such as JWT, OAuth, and Laravel Sanctum.
- Hands-on experience with Tailwind CSS or modern CSS frameworks.
- Familiarity with Vercel deployment, Docker, and CI/CD pipelines.
- Understanding of application performance optimization and SEO best practices.
What We're Looking For :
- Strong expertise in both React.js/Next.js and PHP (Laravel).
- Ability to work across the full application stack with a frontend-first approach.
- Problem-solving mindset with attention to performance, scalability, and code quality.
- Good communication and collaboration skills.
Interview Process :
- Resume Screening
- Telephonic Technical Discussion
- Onsite Interview Process (Multiple Rounds)
- Technical Assessment
- Coding & Problem-Solving Round
- Technical Discussion
- Managerial Round
- Culture Fit Assessment
- Final Discussion (if applicable)














