MERN Stack Developer

Job Title: Full Stack Engineer

Location: Delhi-NCR

Type: Full-Time

Responsibilities

Frontend:

• Develop responsive, intuitive interfaces using HTML, CSS (SASS), React, and Vanilla JS.
• Implement real-time features using sockets for dynamic, interactive user experiences.
• Collaborate with designers to ensure consistent UI/UX patterns and deliver visually compelling products.

Backend:

• Design, implement, and maintain APIs using Python (FastAPI).
• Integrate AI-driven features to enhance user experience and streamline processes.
• Ensure the code adheres to best practices in performance, scalability, and security.
• Troubleshoot and resolve production issues, minimizing downtime and improving reliability.

Database & Data Management:

• Work with PostgreSQL for relational data, ensuring optimal queries and indexing.
• Utilize ClickHouse or MongoDB where appropriate to handle specific data workloads and analytics needs.
• Contribute to building dashboards and tools for analytics and reporting.
• Leverage AI/ML concepts to derive insights from data and improve system performance.

General:

• Use Git for version control; conduct code reviews, ensure clean commit history, and maintain robust documentation.
• Collaborate with cross-functional teams to deliver features that align with business goals.
• Stay updated with industry trends, particularly in AI and emerging frameworks, and apply them to enhance our platform.
• Mentor junior engineers and contribute to continuous improvement in team processes and code quality.

When life gives you lemons, we turn them into seamless digital experiences.

Lemon Yellow LLP is looking for a Full Stack Developer Intern, someone who’s passionate about building, learning, and experimenting with code. You’ll collaborate with our developers and designers to turn ideas into real, functional web applications using the MERN stack. If you're eager to dive into the full development lifecycle and ship things that matter, this internship is for you.

Core Responsibilities

• Assist in building end-to-end web applications using MERN (MongoDB, Express.js, React.js, and Node.js)
• Transform UI/UX designs into responsive, accessible front-end components
• Write and test basic REST API endpoints
• Support feature development and contribute to bug fixes
• Document code and follow standard Git workflows
• Observe and learn from code reviews, deployment flows, and team development practices

API & Integration Exposure

• Gain exposure to API integrations and backend data handling
• Assist in connecting third-party tools and services
• Understand user authentication basics like JWT or OAuth

Code Quality & Testing

• Write simple unit tests to validate functionality
• Learn to debug and support in identifying issues and improving performance

Agile Collaboration

• Participate in daily stand-ups, sprint planning, and retrospectives
• Contribute to a collaborative development process through feedback and iteration
• Understand real-world agile workflows and team dynamics

Learning & Growth

• Stay curious and up to date with current trends in web development
• Attend team learning sessions and tech discussions
• Learn under the mentorship of experienced developers

What We Need From You

• Graduate in Computer Science, Software Engineering or a related field
• Basic understanding of JavaScript (ES6+), HTML5, and CSS3
• Exposure to at least one of the MERN technologies through coursework, side projects, or self-study
• Basic knowledge of Git and version control workflows
• Eagerness to learn, take feedback, and build real features
• A portfolio, GitHub profile, or personal projects is a plus

What are we offering?

Experience

• A chance for you to work in a thriving and growing environment. We foster a culture where growth is harmonious and creativity is always appreciated - you grow and you encourage others to do the same.

Exposure

• If you believe in your work, we believe in you. If you think your designs have the power to change the world, we'll help you bring your vision to life and give you the platform to prove it.

Empathy

• We have a carefully curated culture that promotes 2 things: fun & fulfilment. Your welfare - personal, professional, mental, and physical - becomes our responsibility. From Fitness Thursdays to learning sessions, we try to make you laugh & learn.

Who are we?

Lemon Yellow LLP is a user-centered UI/UX design agency, based out of Thane, Maharashtra. With international operations, an experienced mentorship, and a passionate team, we aim to design digital happiness.

You should apply if you believe in making a difference with your designs.

How do you reach us?

Well, after you send in your application, it takes us 2-3 weeks to review it. Sometimes, not often, we might delay just a bit beyond that. This happens when our mailbox is flooded with applications.

We promise we won’t ghost you, you’ll definitely hear from us. In the meantime, feel free to explore our official website.

A full stack developer job description for MERN stack developers centers on designing, developing, and maintaining robust web applications using MongoDB, Express.js, React, and Node.js as core technologies.

Responsibilities

• Develop and maintain scalable web applications using the MERN stack.
• Build interactive and responsive user interfaces with React.
• Implement server-side APIs and business logic using Node.js and Express.js.
• Design, model, and manage databases with MongoDB to ensure efficient data storage and retrieval.
• Integrate front-end with back-end systems and third-party services.
• Optimize applications for speed and scalability, troubleshoot and debug code, and ensure reliability.
• Collaborate with other developers, designers, and stakeholders in an agile environment to clarify requirements and deliver solutions.
• Implement security best practices and protect sensitive data.
• Participate in code reviews and mentor junior developers.

Requirements

• Proven experience with the MERN stack (MongoDB, Express.js, React, Node.js).
• Strong skills in JavaScript, HTML5, and CSS3.
• Familiarity with RESTful API design, version control systems (Git), and front-end frameworks like Bootstrap or Material-UI.
• Understanding of database design, schema management, and NoSQL principles.
• Problem-solving ability and communication skills.
• Bachelor's degree in computer science or related field (preferred).
• Experience working collaboratively in a team-oriented environment.

Key Skills

• JavaScript, React.js, Node.js, Express.js, MongoDB.
• HTML/CSS, RESTful APIs, Git.
• Familiarity with agile methodologies and UI/UX best practices.
• Testing, debugging, code optimization, and deployment.

Location: Noida Sector 142

Experience: 3+ years

Employment Type: Full-Time

Key Responsibilities

• Development: Design, develop, and maintain scalable, high-performance web applications using Node.js and React.js.
• Database Management: Work extensively with PostgreSQL and Prisma ORM to design, optimize, and maintain databases.
• API Integration: Build and integrate RESTful APIs and third-party services to enhance platform functionality.
• E-commerce Projects: Develop and enhance e-commerce solutions, ensuring seamless user experiences and efficient backend operations.
• SaaS Development: Contribute to the development of SaaS-based features and services, ensuring multi-tenant support and scalability.
• Microservices Architecture: Design, build, and deploy microservices to support modular and scalable applications.
• Code Quality: Write clean, maintainable, and well-documented code while adhering to best practices and coding standards.
• Collaboration: Work closely with product managers, designers, and other developers to deliver high-quality solutions within deadlines.
• Troubleshooting: Identify and resolve performance bottlenecks, bugs, and other technical issues.

Required Skills and Qualifications

• Technical Proficiency:Strong expertise in Node.js and React.js.
• Proficient with PostgreSQL and experience using Prisma ORM.
• Hands-on experience with API development and integration.
• Knowledge of e-commerce platforms and their technical requirements.
• Experience in SaaS product development and multi-tenant architecture.
• Familiarity with building and maintaining microservices architectures.
• Version Control: Strong understanding of Git and version control practices.
• Testing: Experience with unit testing, integration testing, and debugging tools.
• DevOps Knowledge (Preferred): Familiarity with CI/CD pipelines, containerization (Docker), and cloud platforms (AWS, GCP, or Azure).
• Soft Skills: Strong problem-solving abilities, attention to detail, and excellent communication skills.

Preferred Qualifications

• Experience with e-commerce frameworks or libraries.
• Familiarity with GraphQL and WebSocket implementations.
• Knowledge of performance optimization techniques for web applications.

What We Offer

• Salary + ESOPs
• Opportunity to work on cutting-edge technology in a fast-paced environment.
• Collaborative and inclusive work culture.
• Professional development and learning opportunities.

Apply Now: If you are a passionate developer looking to contribute to impactful projects.

Full Stack Developer Responsibilities:

• Developing front end website architecture.
• Designing user interactions on web pages.
• Developing back-end website applications.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Working alongside graphic designers for web design features.
• Seeing through a project from conception to finished product.
• Designing and developing APIs.
• Meeting both technical and consumer needs.
• Staying abreast of developments in web applications and programming languages.

Requirements

• Degree in computer science.
• Experience with ( React+Node ) Or ( react + Angular) Or ( Node + Angular)
• Strong organizational and project management skills.
• Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
• Familiarity with JavaScript frameworks
• 
  
• Familiarity with database technology such as MySQL, Oracle, and MongoDB.
• Excellent verbal communication skills.
• Good problem-solving skills.
• Attention to detail.

Looking for MERN stack developer who is an expert in MongoDB, Express, React and Node. He/She should be proficient in JavaScript and use HTML, CSS and JavaScript to handle front-end operations and JavaScript with Node. js to handle back-end operations.

Roles and Responsibilities:-

• Ability to translate Wireframes into functional web apps.
• Binding of UI elements to JavaScript object models
• Creating RESTful services with Node.js
• MERN stack developer must have proven experience in front & back-end development
• Work in a cross-functional team to deliver a complete user experience
• ReactJS NodeJS developer must know MongoDB, Express, Node.js, & React.
• Create Unit and Integration tests to ensure the quality of code
• Be responsive to change requests and feature requests
• Write code that is cross-platform and cross-device compatible
• MERN full stack developer must have the ability to wear many hats and learn new technologies quickly
• For MERN stack developer job, candidate must have good Knowledge of Node Debugging
• Understanding & proficiency in REST APIs.
• MERN stack developers should know Git Repository and Jira.
• Integration of data storage solutions [RDBMS, NoSQL DB]

Desired Candidate Profile:-

• Excellent in basic programming in any web technology Server and Client
• Like ReactJS/Node JS and Server-side scripts
• Basic knowledge in APIs, Micro Services
• Hands-On experience in Web development frameworks
• Hands-On in Database queries and concepts
• Understanding of performance testing and optimization techniques

Perks and Benefits:-

• No salary bar for deserving candidates.
• 5 days working.
• Paid and leave encashment facility available.

Skills required – Javascript,Mongodb,Angularjs,Nodejs

Level:P1-Exp -1-2 years

Location – Pune

Hiring Full Stack Developers at Krishivan Technologies Pvt Ltd

Job Overview:

We are urgently looking for a Full Stack Developer with 1-3 years of experience 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.

About Krishivan:

Krishivan Technologies is an AgroTech start-up that aims to partner with grassroots farmers to improve their livelihoods through smart collaboration between ‘Agriculture and Technology’. With us, farmers have exclusive access to Agri-solutions and Agri-advice at their fingertips.

We bridge the gap between farming challenges, expert knowledge, shortage of high-quality agri-in puts, sustainable financial aid, equipped machinery and infrastructure to enhance the production a nd income ability of farmers with the integration of technology from pre-harvest to post-harvest.

Roles and responsibilities:

● Participate in requirements analysis

● Building interactive consumer data from multiple systems and REST entirely abstract to the UI through a Node.js backend

● Ensure the best possible performance, quality, and responsiveness of applications

● Test-Driven Development

● Address and improve any technical issue.

● Support the implementation of developed software solutions

Requirements and skills:

● Strong understanding of object-oriented programming

● Knowledge of NodeJS, ExpressJS

● React.js/ Next.js / Node.js / Mongo DB

● Javascript, Jquery, HTML, CSS, Bootstrap

● Understanding of Agile methodologies

● Hands-on experience with JavaScript Development on both client and server-side

● Proficient understanding of code versioning tools.

Good to have:

● AWS and/or Azure Services

● Git Setup

● Experience with cloud technologies

● Familiar with various design and architectural patterns