
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.

About Lemon Yellow
About
We're a global digital design agency from India, focusing on product strategy, user experience design, user interface and creative thinking. We are passionate about designing new products, delighting users and help companies improve their business. - Lemon Yellow .
Connect with the team
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We are seeking a skilled MERN Stack Developer to join our dynamic development team. The ideal candidate will be proficient in MongoDB, Express.js, React.js, and Node.js, and will play a key role in building and maintaining web applications.
Key Responsibilities:
• Frontend Development: Develop user-facing features using React.js, ensuring appealing and responsive user interfaces.
• Backend Development: Build efficient and scalable server-side systems using Node.js and Express.js.
• Integration: Integrate front-end components with server-side logic, ensuring seamless communication between the two.
• Data Management: Implement data storage solutions using MongoDB and other relevant technologies.
• Troubleshooting: Identify and address bugs, glitches, and performance issues to maintain application functionality.
• Collaboration: Work closely with cross-functional teams to conceptualize, define, and implement new features.
• Innovation: Keep abreast of emerging technologies and trends to contribute to continuous improvement.
Required Skills and Qualifications:
• React Proficiency: In-depth knowledge of React.js and its core concepts for building dynamic user interfaces.
• Node.js and Express: Strong expertise in Node.js and Express.js to create efficient and scalable backend systems.
• MongoDB: Experience with MongoDB for data storage and management.
• Full-Stack Development: Ability to work on both frontend and backend development.
• Problem-Solving: Strong analytical and problem-solving skills.
• Communication: Excellent communication and teamwork skills.
Preferred Qualifications:
• Experience with RESTful APIs and GraphQL.
• Familiarity with version control systems like Git.
• Understanding of Agile methodologies.
Profile: Full Stack Developer (MERN Stack)
📍 Location: Andheri East, Mumbai
🏤 Work Mode: Full-time
💼 Experience: 2+ Years
What We're Looking For:
✅ 2+ years of MERN Stack experience
✅ Strong proficiency in MongoDB, Express.js, React, Node.js
✅ Docker & Kubernetes knowledge
✅ Redis for caching
✅ RESTful APIs & microservices architecture
✅ Excellent communication skills
We are looking for a passionate developer who loves challenges, startup culture, and is a Doer.
What's in for you:
- You will directly work with founders who come from software and management backgrounds
- We are in the process of building our core team, if you find us a good fit and we do too, you will be in for a long ride with ESOPs and grow with us at a faster rate as we grow
- We don't force rules and structure, work as you like and from wherever but we expect you to respect deadlines
- As an early-stage startup, we spend wisely but don't compromise and hence you will be compensated as per industry standards
Responsibilities:
- Work with founders to implement an internal and consumer-facing system
- Design client and server-side architecture in collaboration with a technical co-founder
- Write performant and resource-friendly backend code
- Build pixel-perfect and fluid front-end
- Write DRY and neat code (must)
- Write technical documentation as required
Good to have:
- We embrace new tech and if you have made your hand dirty across Webflow and no-code tools, it's highly appreciated
- Typescript we dont expect, but it's good to have
- Worked with designer tools, such as Illustrator
About Seek
We are building a consumer-first rewards platform that brings personalised offers and rewards for every consumer.
This is a very early opportunity, you will be working with the Founding team to build Seek's first product and business from the ground up.
What will I do in this role?
- develop designs into high-perfomance Flutter apps for Android and iOS
- own and be responsible for performance, security and experience on the Seek mobile apps
What's in it for me?
- You'll be one of the earliest members in the team
- Experience how a startup is built in its early days
- Explore and acquire new skills along with building depth in your desired field of work
Required Skills and Interests
- Flutter
- Firebase
- Android/iOS Development
- AWS
- Full-stack experience preferred
Requirements
- 3+ yrs experience in Reactjs (frontend) and Nodejs (Backend) along with good experience in MongoDB.
- Past experience scaling projects from prototype to hundreds of thousands / millions of users is a plus.
- Strong communication skills and past experience leading developers is crucial.
Note:- Remote working is applicable
We have multiple open positions for full-stack engineers to work with us on a cutting-edge eCommerce trade analysis platform.
Must have experience with:
- NodeJS
- Mern Stack
- AWS
- Experience working on SaaS applications with a large codebase
Nice to have
- Tailwind
- DynamoDB
- Chart libraries such as ChartJS
clubb.fit is working towards a vision of normalising sports and fitness as an everyday part for Indian adults and kids. We want to create a community of fitness and sports enthusiasts, and convert those non-enthusiasts into enthusiasts.
As the full stack developer, you will have a chance to work on all aspects of our tech, and have freedom to experiment and fail. We see tech as an integral part of making the customer journey more engaging. So if you are somebody who looks at an app and thinks "oh I think these guys should also have this exciting xyz feature added", then we are the right team for you.
You will be working with our senior developer, and help us improve the platform at a fast pace.
We are a small team, and everyone has the freedom to express and introduce ideas. You will work closely with the founding team and help them execute their vision through your tech super power.
The timings on this role are flexible - you can do it part time or full time - with work from office 2 times a week in Bangalore, in case you are in Bangalore..
The role comes with equity stake in a startup and we are aiming to raise our first round in next 6 months.
Job Description
We are looking for a Full Stack Developer to produce scalable software. 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. With problem-solving approaches and rigorous thinking abilities, we are looking for learners who may not know all the answers but are obsessive about finding them and know exactly where to look for them.
“If you’re also familiar with Agile methodologies, we’d like to meet you.”
Responsibilities
- Writing code for both the front end and the back end using MERN stack [MongoDB, Express.js, React.js and Node. js]
- Creating RESTful API with Node.js
- Maintaining all the required documents for your project.
- Constantly coming up with new ideas and also implementing them to improve the app’s performance.
- Writing code for the app logic as well as the business logic using Reducers, Actions and Redux framework.
- Create Unit and Integration tests to ensure the quality of code
Requirements
- At iDC, we value your skills more than your background and some certificates. Attempting the assignment will be your door to the opportunity.
- Knowledge of the database and familiarity with the schema design in NoSQL (i.e MongoDB)
- A good understanding of the Software Development Lifecycle
- Knowledge of API design and development using REST
- Good understanding of object-oriented programming(OOP) and OOP patterns.
- Again, You don’t have to know it all in-depth but you should know how to dig the internet for finding the solutions.
Who should not apply for this job
- If you are looking for a 100% hike in your salary but can't commit to what value you will bring on the table
- If you never read books
- If you jump companies every 11-12 months
- If you are not comfortable working on Saturdays
- If you have less than 2 years of experience
- If you have more than 4 years of experience
At this position you will:
- Get solid experience with high-load distributed architecture using REST and High load services.
- Work with automated CI/CD processes, AWS cloud, and VoIP.
- Implement and support microservices based on Elasticsearch, Mongo, and frontend.
Key-Skills Required:
Node.js | Express | REST Api | Javascript | Redux-Saga | MongoDB | Web security TLS/SSL | Web Sockets | Promises & Call-backs | Database & Data structures | Redis | Elasticseach | React.Js
Key Deliverables:
- New feature design and implementation, Bug fixing, testing and performance tuning.
- Work on the API and Engines.
- Code deployment on cloud & maintenance of the same.
- Take complete ownership of a product/feature from setup to deployment.
- Time-bound feature delivery & updating.
- Cost-saving using efficient & effective technologies
Role and Responsibilities:
- Work on back-end (+ frontend integration) development of core scripts using NodeJS / MongoDB /Express /Redux, and Redis.
- Manage Key-value based databases like Redis.
- Active participation in the development of a sophisticated platform as one of the leading developers.
- Document code consistently throughout the development process by listing a description of the program, special instructions, and any changes made in database tables on procedural, modular, and database level.
- Respond promptly and professionally to bug reports.
- Knowledge of bluebird.js (Promises), Async, etc will be of advantage.
- Coding and programming using Object-Oriented Programming, Data Structure and Algorithms, architecture/ design and build RESTful API.
- Passionate about building products and features and build the product from scratch with thrust on Web security, TLS/SSL, web sockets, etc
- Knows one or more of Wireframes/ Prototyping/ Functional Documentation of business.
4-10 LPA based on experience and on performance in the interview round (70% Fixed - 30% Variable Incentive based on performance/delivery schedule)
(We do ZERO deductions since the salary will be paid from US/Singapore)
Develop new APIs, modify the existing API using Node.js, MongoDB, JavaScript..
Create new, modify existing web pages using React.js, JavaScript.
Support the current release, production issues with code fixes.
Work on new future releases, projects and deliver within timelines.
Setup the Servers with Node.js, MongoDB, React.js, etc. in the Linux environment.










