MERN Stack Developer & Node.js Developer

Looking for a passionate developer and team player who wants to learn, contribute and bring

fun & energy to the team. We are a friendly startup where we provide opportunities to explore

and learn a lot of things(new technology/tools etc.,) in building quality products using

best-in-class technology.

Responsibilities

● Design and develop new features using Full-stack development

(Java/Spring/React/Angular/Mysql) for a cloud(AWS/others) and mobile product

application in SOA/microservices architecture.

● Design awesome features and continuously improve them by exploring alternatives /

technologies to make design improvements.

● Performance testing with Gatling (Scala).

● Work with CI/CD pipeline and tools (Docker, Ansible) to improve build and

deployment process.

● Working with QA to ensure the quality and timing of new release deployments.

Skills/Experience

Good coding/problem solving skills and interest in learning new things will be the key.

Time /Training will be provided to learn new technologies/tools.

● 4 or more years of professional experience in building web/mobile applications using

Java or similar technologies (C#, Ruby, Python, Elixir, NodeJS).

● Experience in Spring Framework or similar frameworks.

● Experience in any DB (SQL/noSQL)

● Any experience in front-end development using React/Vue/Angular/similar

frameworks.

● Any experience with Java/similar testing frameworks (JUnit/Mocks etc).

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.

Design and develop scalable web applications using MEAN/MERN stack.

Build & optimize AI/LLM workflows using LangChain or LangGraph.

Implement vector storage & semantic search using FAISS / Pinecone / Chroma / Milvus.

Build APIs, microservices, and integration layers.

Optimize application performance and ensure code quality.

Collaborate with cross-functional teams (product, design, backend, DevOps).

Must-Have Skills

• Strong experience in Node.js, Express.js, MongoDB, and Angular/React.
• Hands-on experience in LLM apps, RAG pipelines, Vector Databases.
• Practical knowledge of LangChain / LangGraph.
• Experience with REST APIs, authentication, and integrations.
• Solid understanding of Git, CI/CD, and cloud platforms (AWS/Azure/GCP).

SSE/TL/ STL – Java Full Stack Dev

Overview of the Role –SSE/TL/ STL– Java Full Stack Dev (Java + React js)

Location: Chennai / Hyderabad

Reporting To: Project Manager

Role Description

We are looking for a candidate with Java backend experience combined with UI exposure preferably with React JS. The candidate shall be required to member of a SW Development team, demonstrating technical person. The candidate would be required to demonstrate high degree of ownership; velocity and mentor the team members.

Responsibilities

• · In this role, you should be able to work independently with little supervision.
• · You should have excellent organization and problem-solving skills.
• · If you also have hands-on experience in software development and agile methodologies, we’d like to meet you.
• · You will be responsible to develop high-quality software that is aligned with user needs and business goals.

Qualification

• · 4 to 10 years of end-to-end development using Java & UI technology (ReactJS)
• · Good knowledge of any relational database
• · Experience in JavaScript along with an OOP language
• · Well versed with testing concepts and methodologies
• · Agile/Scrum development and full SDLC from development to production deployment.
• · Analytical mind with problem-solving aptitude.
• · Ability to work independently.
• · Excellent written and oral communication skills.

Get to Know our Team:

In our Full stack Engineering department, we build the scalable, fault-tolerant systems and APIs that host our core business logic. Our systems cover all major areas of our business: such as TAM SAM, calculator, lead generation, campaign execution & data modeling. Most importantly though, we hire great people and empower them to be successful. Whether it’s building new projects or reimagining our existing business, you’ll make a big impact as part of the Full stack Engineering team.

The Opportunity: 

Swabhav is looking for developers to work on mission critical systems that deal with the designing and development of APIs.

In this Role, you’ll get to

• Lead development of features, experiments, technical projects and complex systems.
• Be a technical architect, mentor, and driver towards the right technology.
• Continue to evolve our architecture and build better software.
• Be a major contributor to our agile and scrum practices. 
• Get involved with software engineering and collaborate with server, other client, and infrastructure technical team members to build the best solution.
• Constantly look for ways to improve our products, codebase and development practices. 
• Write great code and help others write great code.
• Drive Technical decisions in the organization.

What You’ll Need to Succeed

• 3-6 years’ experience under your belt developing performance-critical applications that run in a production environment using Node Js, React Js or Next Js, PostgreSQL.
• Experience in full ownership of the systems involved.
• Hands on experience working with CRM platforms, Third party app integrations or Heavy file processing & Restful APIs.
• You understand that different applications have different data requirements.
• Good understanding of algorithms and data structures
• Strong coding ability.
• You are passionate about the craft of software development and constantly work to improve your knowledge and skills.
• Excellent communication skills.

It’s Great If You Have

• Experience with Scrum/Agile development methodologies.
• Experience building products.
• Core engineering infrastructure tools like Git for source control.

Job Description :

● Designation : Full Stack Developer

● Industry : Software Development

● Role category : Software Developer

● Education : Graduate

● Total Experience years : 3-5 Years

● Relevant Experience years : 3-5 Years

● Main skill require: : Python, Django, Javascript, react.js

● Gender : Male / Female

● Salary range : 6L to 12 L Per annum

● Job location : Navi Mumbai / Bangalore

● Office time : 11 AM to 8 PM

Hiring Process:

Following are some guidelines for the hiring process. It lists out the

expected experience and skill set required for the position. In terms of

the hiring procedure, our first step involves arranging a video

interview with the candidates who have been shortlisted.

Subsequently, we will proceed to schedule an in-office interview.

Resume Requirements

● Detailed Technical Skillset

● Detailed description of the Project

● Description of the modules/system which the developer was directly

involved in the Development.

Additional Attributes, if available

● Description of Technical Challenges faced and It’s implementation

● Link to their Code Repository (github, bitbucket etc)

● Link to the project

Full Stack Developer

Experience Requirement :

3-5 years of experience in Javascript, ReactJS and Python/Django

Technical skills Frontend:

● Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model

● Thorough understanding of React.js and its core principles, React

Hooks, Context, High Order Components

● Prior experience with popular React.js workflows (such as Flux or

Redux)

● Familiarity with more current specifications of EcmaScript

● Prior experience with data structure libraries (e.g., Immutable.js)

● Familiarity with RESTful APIs

● Familiarity with HTML / CSS

● Experience with common front-end development tools such as Babel, Webpack, NPM, Etc.

Additional Skills – Not Compulsory -

● GIT experience is a plus

● Knowledge of isomorphic React is a plus

● Knowledge of modern authorization mechanisms, such as JSON Web Token

● Familiarity with modern front-end build pipelines and tools

● Ability to understand business requirements and translate them into technical requirements

● A knack for benchmarking and optimization

Technical skills Backend:

We are looking for a Python/Django developer who is well versed in Python language as well as in use of the Django framework. Knowledge of other python web frameworks is an advantage.

Skills needed

● Good understanding of Python language(3 + years experience)

● Proficient in Django Development Framework

● Good understanding of REST Architecture

● Good understanding and experience in writing of regular Expressions

● Familiarity with some ORM (Object Relational Mapper) libraries

● Hands on Experience with deployment of application

● Knowledge of user authentication and authorisation between multiple systems, servers and environments

● Understanding of fundamental design principles behind a scalable & distributed application