MERN Developer

Job Title - MERN Stack Developer

Experience Range – 3 to 6 Years

Location- Mumbai (Andheri East)

Mode- 5 Days working from office

Some specific Requirements:

• You have prior experience developing and working on consumer-facing web/app products
• Hands-on experience in JavaScript. Exceptions can be made if you’re really good at any other language with experience in building web/app-based tech products
• Expertise in Node.JS and Experience in at least one of the following frameworks - Express.js, Koa.js, Socket.io .
• Good knowledge of async programming using Callbacks, Promises, and Async/Await
• Hands-on experience with Frontend codebases using HTML, CSS, and AJAX
• Working knowledge of MongoDB, Redis, MySQL
• Good understanding of Data Structures, Algorithms, and Operating Systems
• You've worked with AWS services in the past and have experience with EC2, ELB, AutoScaling, CloudFront, S3
• Experience with Frontend Stack would be added advantage (HTML, CSS)
• You might not have experience with all the tools that we use but you can learn those given the guidance and resources
• Experience in Vue.js would be plus

Angular Full Stack Developer (7+ Years)

Location: Ahmedabad / Pune (Onsite)

Experience: 7+ Years

Compensation: No bar for the right candidate

What You’ll Be Building

You’ll work on enterprise-grade, high-performance web applications using Angular and modern serverless backend architecture on AWS. This is not basic CRUD work—expect complex data-heavy systems, scalable UI, and real-world impact.

What You’ll Do

• Build and scale Angular-based frontend systems with strong architecture principles
• Develop and integrate REST APIs + serverless backend workflows
• Work on data-heavy UI using AG Grid & AG Charts
• Implement RxJS, state management, and performance optimization
• Write clean, testable code with Jest & Cypress
• Work with AWS serverless stack (Lambda, API Gateway, DynamoDB, etc.)
• Manage infrastructure using Terraform (IaC)
• Contribute to architecture decisions, code reviews, and best practices
• Work in a fast-paced Agile environment
• 
  

Must-Have Skills (Don’t Apply If Missing)

• 7+ years in full-stack / frontend-heavy development
• Strong expertise in Angular + TypeScript
• Hands-on with RxJS and scalable frontend architecture
• Experience with AG Grid / AG Charts (or similar complex UI libs)
• Experience with Jest + Cypress testing
• Solid understanding of AWS serverless architecture
• Experience with Terraform (IaC)

Good to Have (Will Give You an Edge)

• CI/CD experience (GitHub Actions or similar)
• Exposure to AI dev tools (Copilot, etc.)
• Backend experience (Node.js / NestJS)
• Experience working in large distributed teams

Why This Role Matters

You won’t be another developer pushing tickets. You’ll be working on scalable systems, real architecture decisions, and performance-critical applications.

Who Should Apply

People who:

• Can own modules end-to-end
• Don’t need hand-holding
• Care about clean code + performance
• Have actually built complex systems—not just tutorials

Who Should NOT Apply

• Less than 7 years experience
• Only basic Angular knowledge
• No real exposure to production-scale applications

When life gives you lemons and you can code both front and back with equal zest, you’re probably a Full Stack Developer we’d love on our team.

At Lemon Yellow, we’re looking for someone who thrives on building end-to-end web solutions using the MERN stack. From crafting intuitive front-ends to developing efficient, scalable back-end systems, you’ll be involved in shaping digital products from the ground up. If turning design mockups into pixel-perfect, high-performance applications excites you, we’re ready to build with you.

1. Core Responsibilities

• Build and maintain end-to-end web applications using the MERN stack.
• Act as a bridge between design and development to bring ideas to life with clean, scalable code.
• Support digital campaigns through intuitive and functional tech implementations.
• Design, develop, and deploy scalable front-end and back-end components.
• Write clean, maintainable code while collaborating with designers, marketers, and other developers.
• Translate product requirements and UI/UX wireframes into fully functional digital solutions.

2. API & Integration Management

• Implement RESTful APIs and connect third-party tools and services.
• Ensure smooth data exchange across platforms through secure integrations.
• Manage user authentication and authorization using mechanisms like JWT or OAuth.

3. Code Quality & Optimization

• Debug, profile, and optimize applications for performance and reliability.
• Maintain unit and integration test coverage for code robustness.
• Conduct code reviews and help improve internal coding standards.

4. Agile Collaboration

• Actively participate in agile activities: daily stand-ups, sprint planning, retros, and demos.
• Contribute to task estimation and cross-functional problem-solving.
• Stay responsive to project shifts and quick delivery needs.

5. Continuous Learning & Innovation

• Stay up to date with the latest development trends, tools, and practices.
• Share learnings and explore creative solutions for technical challenges.
• Experiment with emerging technologies and suggest process improvements.

Requirements

• Bachelor's degree in Computer Science, Software Engineering, or a related field.
• Minimum 1 year of hands-on experience building production-ready web applications using MongoDB, Express.js, React.js, and Node.js.
• Strong command of JavaScript (ES6+), HTML5, and CSS3.
• Experience with Git and version control systems
• Familiarity with RESTful API design, JSON, and authentication mechanisms (JWT, OAuth)
• Familiarity with cloud platforms (AWS, Azure, or GCP) and containerization (Docker).
• Basic understanding of CI/CD pipelines and automated testing.
• Strong analytical and problem-solving mindset.
• Detail-oriented with a passion for clean, maintainable code.
• Collaborative attitude with good verbal and written communication skills.

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.

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.

• Good knowledge of ASP.NET, SQL Server, HTML, CSS, JavaScript, and C#/VB.NET.
• Design, code and test new Windows and web software applications
• Enhance existing systems by analyzing business objectives, preparing an action
• Plan and identifying areas for modification and improvement
• Maintain existing software systems by identifying and correcting software defects
• Investigate and develop skills in new technologies
• Create technical specifications and test
• Tech/BS in computer science or a related field.

Full Stack /Node. JS/ React.js Developer:

We are looking for  Developers responsible for managing the interchange of data between the server and the users. Your primary focus will be the development of all server-side logic, definition and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end. You will also be responsible for integrating the front-end elements into the application. You will also be responsible for building rich UI components with React.

Skills: Node.js, React.js, MongoDB, Express JS, HTML, CSS.

Requirements:

• Should have experience on Node.js and frameworks available for it, such as Express or StrongLoop. Preferably Express.
• Should have experience in building Rich UI components with React.js.
•  Should have hands on experience on MongoDB.  
• Strong understanding of JavaScript, its quirks and workarounds.
• Knowledge of ES6, ES7 and Object-oriented and functional programming.
• Understanding the nature of asynchronous programming and its quirks and workarounds.
• Should have experience in working on Linux (Ubuntu) Environment and basic linux commands.
• Proficient understanding of code versioning tools, such as Git.
• Good to have knowledge on Redis DB.
• Good understanding of browser rendering behavior and performance.
• Good to have exposure working in an agile development environment.

• Strong architecture and design skills and keen business sense. -
• Ownership of projects and technical areas. -
• Strong core server-side technologies experience (Java), database design & performance tuning exposure. -
• Strong OO design skills, knowledge of frameworks such as Spring/ Spring Boot/ exposure to functional programming a plus. -
• Good knowledge of nodeJS/ noSQL a definite plus. -
• Good exposure to front end/UI skills (JS, HTML, Angular). -
• Good exposure to configuration management, testing, deployment. -
• Deep knowhow of data structures, algorithms. -
• Hands on development across technologies.
• Exp- 6-8 years.
• Qual- B.E/ B.Tech (Computer Science/ Equivalent) from a premier institute.

We're looking for a Full Stack developer who will take a key role on our team. Our Full Stack developer must have knowledge in all stages of software development.

Requirements:

• Design overall architecture of the web application.
• Maintain quality and ensure responsiveness of applications.
• Collaborate with the rest of the engineering team to design and launch new features.
• Maintain code integrity and organisation.
• Experience working with graphic designers and converting designs to visual elements.
• Understanding and implementation of security and data protection.
• Highly experienced with back-end programming with NodeJS, you can easily design and integrate the REST APIs with front end.
• Well versed with JavaScript (frameworks such as ReactJS).
• Development experience for both mobile and desktop.
• Experience with cloud message APIs and usage of push notifications.
• Knowledge of code versioning tools such as Git.
• Knowledge about Firebase & GoLang is an added advantage.