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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What we need:
• Experience in both Web + Mobile development
• Strong understanding of APIs & system design
• Ability to build end-to-end features
· Maintain version control and documentation using Git / GitHub.
Roles and Responsibilities
- Design and develop responsive web applications using React.js / Next.js.
- Build and maintain scalable RESTful APIs using Node.js and Express.js.
- Implement user authentication and authorization using JWT / OAuth2.
- Manage and optimize database structures using MongoDB or MySQL.
- Integrate front-end and back-end components seamlessly for smooth user experience.
- Collaborate with UI/UX designers and product teams to deliver high-quality features.
- Participate in Agile / Scrum sprints, daily stand-ups, and code reviews.
- Optimize applications for speed, performance, and security.
- Maintain version control and documentation using Git / GitHub.
Troubleshoot and debug production issues efficiently.
Job Location- Bangalore,
Candidates from Tamil Nadu willing to relocate to Bangalore can also apply.
Position: Full Stack Developer (React.js + Node.js)
Experience: 2–5 Years
Location: Mumbai – Chembur West (Onsite)
Job Summary
We are looking for a Full Stack Developer with strong hands-on experience in React.js and Node.js to build scalable, secure, and high-performance web applications. The ideal candidate should be comfortable owning features end-to-end, developing responsive UI, building REST APIs, integrating databases, and supporting production systems.
Key Responsibilities
- Build responsive UI using React.js, HTML5, CSS3, JavaScript (ES6+)
- Develop scalable backend services and RESTful APIs using Node.js (Express.js / NestJS)
- Work with MongoDB and MySQL (schema design, indexing, query optimization)
- Implement authentication & authorization using JWT , RBAC , Oauth
- Integrate third-party APIs, Webhooks
- Build real-time features using Socket.io / WebSockets
- Ensure performance, scalability, and security (validation, sanitization)
- Implement caching using Redis (if applicable) and optimize API response times
- Support API testing (Postman/Supertest)
- Maintain API documentation using Swagger / OpenAPI
- Debug and resolve defects, handle RCA, and support production troubleshooting with logs/monitoring
- Follow Git-based workflows, participate in code reviews, and collaborate with QA/product teams in Agile delivery
Mandatory Skills
- React.js, Node.js, JavaScript (ES6+)
- MongoDB (must), MySQL
- REST API development & integration
- Socket.io / WebSockets, Webhooks
- HTML5, CSS3
- Git
- Typescript, Express.js / NestJS
- jQuery / AJAX (basic / legacy support)
Good to Have
- Redis, Swagger/OpenAPI
- Docker, CI/CD (GitHub Actions/Jenkins)
- Cloud exposure (AWS/Azure/GCP)
Qualification
BE / BTech / MCA / MSc IT / BSc IT with 2–5 years relevant experience.
CTC: As per industry std.
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
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
* 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
US Shift: 6pm -2am
We are seeking a talented and motivated Full Stack Software Developer to join our team. The ideal candidate will have strong experience with React and Node.js, with additional expertise in GraphQL and AWS being highly desirable. You will play a key role in designing, developing, and maintaining scalable, efficient, and user-friendly applications across the stack.
Key Responsibilities:
- Design and Development: Build, deploy, and maintain front-end and back-end solutions using React and Node.js.
- API Integration: Develop and consume RESTful APIs and GraphQL services.
- System Architecture: Design scalable and maintainable software architectures.
- Cloud Integration: Implement and optimize applications hosted on AWS services (e.g., Lambda, S3).
- Collaboration: Work closely with product managers, designers, and other developers to translate requirements into high-quality, reliable software.
- Code Quality: Write clean, maintainable, and testable code while adhering to industry best practices.
- Troubleshooting: Debug and resolve application issues across the stack.
Skills Required:
- Proficiency in JavaScript/TypeScript and modern frameworks like React and Node.js.
- Solid understanding of front-end development concepts, including state management, component lifecycles, and performance optimization.
- Experience in building and consuming REST APIs and/or GraphQL APIs.
- Familiarity with databases (e.g., PostgreSQL, or similar).
- Strong problem-solving skills and ability to work in an agile environment.
Preferred:
- Hands-on experience with GraphQL (e.g., Apollo).
- Proficiency with AWS services such as EC2, S3, Lambda, API Gateway, and DynamoDB.
- Knowledge of CI/CD pipelines and tools like Jenkins, GitHub Actions, or similar.
- Understanding of software testing methodologies and tools (e.g., Jest, Cypress).
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)
Job Summary
Contribute to the development and optimization of web applications by combining DevOps Solutions, React.js, and full stack Java skills. The role involves designing, implementing, and maintaining software solutions that meet the business requirements efficiently. (1.) Key Responsibilities
1. Collaborate with cross functional teams to define, design, and ship new features.
2. Build and optimize web applications using react.js and full stack java technologies.
3. Implement devops practices to automate processes and improve overall software development efficiency.
4. Troubleshoot and debug applications to ensure optimal performance and reliability.
5. Conduct code reviews and provide constructive feedback to team members.
6. Stay updated on industry trends and new technologies to continuously improve development processes.
Skill Requirements
1. Proficient in devops solutions to streamline software development and deployment processes.
2. Strong experience in react.js for building interactive user interfaces.
3. Expertise in full stack java development, including backend and frontend technologies.
4. Solid understanding of database management and integration.
5. Ability to work in an agile environment and deliver high-quality code within agreed timelines.
6. Excellent problem-solving skills and attention to detail.
7. Good communication skills to collaborate effectively with team members and stakeholders.
Certifications: Relevant certifications in DevOps, React.js, or Java technologies are a plus.
Skill (Primary):
Modern Application Development-Full Stack Development-Java Full Stack
Removal Date
29-May-2027
We are looking for a skilled Fullstack Developer with at least 10 years of experience building and maintaining responsive, scalable web applications. You will work across a full technology stack, from crafting intuitive React.js user interfaces to designing and implementing robust backend services with Node.js and PostgreSQL. This role requires strong proficiency in React.js, JavaScript/TypeScript, and the ability to collaborate closely with designers, backend engineers, and product managers to deliver exceptional end-to-end product experiences.








