MERN Stack Developer

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.

MERN Stack Devolper:-

Job Description: -**

Full Stack Developer will work closely with cross-team to discover effective and elegant solutions to complex problems.

Excellent knowledge of HTML, CSS, Material-UI and Responsive.

Strong concepts of Javascript, ReactJs, NextJS.

Should have Excellent Experience of Node.js.

In-Depth knowledge of Express Js, JavaScript,

Should have experience in MongoDB, GraphQL, and any graph Database

Experience working with REST APIs.

Good Knowledge of AWS – Beanstalk, EC2, S3, Lambda, Cloud Watch.

Good Knowledge of JSON, API, and JWT.

Good Knowledge of Firebase – Authentication, Firestore, Realtime DB, Hosting.

·Good understanding of/experience with CI tools (Jenkins, Github Actions) and testing frameworks

Good to have Agile Continuous Deployment experience.

Ability and willingness to manage multiple projects/tasks.

Great collaborator who takes initiative, asks questions, explains themselves clearly, and are open to feedback

Ability to Identify and fix production and non-production application issues as a part of the deployment.

Should have completed B. Tech and 2+ years of experience in IT department

Understanding accessibility and security compliance (Depending on the specific project)

User authentication and authorization between multiple systems, servers, and environments.

Integration of multiple data sources and databases into one system

Understanding fundamental design principles behind a scalable application.

Good communication and language skills.

Strong focus on performance optimizations, caching, and scalability.

Ability to deal well with ambiguous/undefined problems; ability to think abstractly.

No salary bar for a good candidate

We’re hiring a hands-on Full-Stack Developer to join as our first technical hire and help turn our operational edge into scalable software. You’ll work directly with the founding team to:

* Build internal and guest-facing tools in React

* Develop a Node.js backend to power core workflows

* Integrate with property management software APIs (e.g., Guesty, Hostaway, Airbnb)

* Implement and extend functionality using AI APIs like OpenAI (required)

Our Stack

* Frontend: React

* Backend: Node.js (Express or similar)

* Database: MongoDB or Postgres

* APIs: REST/GraphQL, PMS integrations

* AI: OpenAI API and related services

Must-Have Skills

* 2+ years of full-stack development experience

* Strong proficiency in React and Node.js

* Demonstrated experience integrating external APIs (especially SaaS or PMS platforms)

* Familiarity working with OpenAI or other AI APIs

* Ability to work independently and ship quickly

Nice to Have

* Background in hospitality, rentals, or operational software

* Experience building dashboards or guest lifecycle tools

* Bonus: Prior experience with Guesty, Hostaway, or PMS APIs

Job Description : Senior Full Stack Developer

Role

A Full Developer at Snappymob is an integral member of the software engineering team that designs and develops world-class applications that are relied on by our customers to be highly reliable and performant.

You'll be working closely with other engineers in the team to work on delightful applications and features that make a big impact on users. We're looking for people who share our passion for writing great software and our love for making use of best practices in our software development process.

Responsibilities

• Architect, design, develop, and maintain web based applications and services with a focus on Node.js-based backend development.
• Design and implement high quality RESTful APIs.
• Collaborate with the engineering team at large in software design sessions, code reviews, teaching, and other engineering activities.
• Collaborate with other team members including the mobile development team and design team.
• Participate in all aspects of the software development lifecycle for our projects.

Requirements

• 3 or more years of a mix of frontend and backend development experience.
• Ability to think critically, analyze, and break down problems into manageable components.
• Strong attention to detail.
• Ability to communicate and work well with others.

Backend Skills

• Strong knowledge and experience with developing RESTful APIs.
• Strong knowledge and experience with one or more backend development stacks: Spring Boot, NodeJS + Express, Rails, or similar.
• Strong knowledge and experience with one or more of PostgreSQL, MySQL or other relational databases.
• Knowledge and experience with one or more cloud infrastructure providers: AWS, GCP, Azure.
• Strong knowledge and experience of integration of third party services.
• Experience utilizing various third party backend frameworks and libraries.

Frontend Skills

• Strong knowledge and experience with frontend fundamentals: HTML, CSS, JS.
• Strong knowledge and experience with one or more web oriented development languages: JS, TypeScript, PHP, Ruby, or other.
• Strong knowledge and experience in at least one frontend framework: Vue.js, React, Angular, or other.
• Experience utilizing various third party frameworks and libraries.

Good-to-have Experiences: 

• E-commerce platforms: Magento, WooCommerce, etc.
• Content management systems: Drupal, Wordpress.
• Self-hosting cloud services: NextCloud, Gitlab, Gitea; or other SysAdmin-related tools: Wireguard.
• Containerization and orchestration solutions: Docker and Kubernetes.

As one of Malaysia's top app development companies, Snappymob helps top brands in Malaysia and around the world turn their ideas into reality by creating impactful digital products. Our clients span from startups to multinationals across many industries including finance, media, healthcare, energy, and education.

By pairing awesome user experience design and solid software engineering, we strive to help our clients achieve success – while providing them honest, no-nonsense advice.

Visit us at snappymob.com to find out more about what we do.

Job brief

We are looking for a Full Stack Developer to produce scalable software solutions. Youll 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.

Responsibilities

• Work with development team and product managers to ideate software solutions.
• Design client-side and server-side architecture.
• Build the front-end of applications through appealing visual design.
• Develop and manage well-functioning databases and applications.
• Write effective APIs.
• Test software to ensure responsiveness and efficiency.
• Troubleshoot, debug and upgrade software.
• Create security and data protection settings.
• Build features and applications with a mobile responsive design in mind.
• Write technical documentation.

Requirements

• B.E./B.Tech. in Computer Science or a degree in Computer Science background.
• Experience as a Full Stack Developer or similar role (Institute or Organization level).
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, jQuery)
• Knowledge of back-end languages and JavaScript frameworks (e.g. React and Node.js)
• Familiarity with MongoDB, web servers, and UI/UX design.
• Excellent communication and teamwork skills.
• Great attention to detail.
• Organizational skills.
• An analytical mind.
• Knowledge of Cloud Platforms like AWS or GCP is a plus.

PHP, HTML, CSS, JAVASCRIPT, AJAX, REST API, JQUERY, POSTGRESQL, MYSQL, MVC FRAMEWORK.

Responsibilities:

• Design and build advanced applications
• Work with outside data sources and APIs
• Unit-test code for robustness, including edge cases, usability, and general reliability
• Work on bug fixing and improving application performance
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency
• Building reusable code and libraries for future use
• Optimization of the application for maximum speed and scalability
• Implementation of security and data protection
• Able to understand and create Documentation according to Client requirement.

Requirements:

• Ability to write clean, commented and maintainable code.
• Proven track record in designing, architecting, developing enterprise class products and solutions.
• Good understanding of MVC frameworks.
• Good understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3.
• Desired experience in PHP.
• Understanding accessibility and security compliance.
• User authentication and authorization between multiple systems, servers, and environments.
• Integration of multiple data sources and databases into one system.
• Management of hosting environment, including database administration and scaling an application to support load changes.
• Data migration, transformation, and scripting.
• Understanding differences between multiple delivery platforms such as mobile vs desktop, and optimizing output to match the specific platform.
• Implementing automated testing platforms and unit tests.
• Proficient knowledge of a back-end programming language.
• Proficient understanding of code versioning tools, such as Git.
• Proficient understanding of OWASP security principles.
• Proper understanding of OOPS concepts.
• Creating database schemas that represent and support business processes.
• Understanding of startup culture.
• Good team player, Quick learner.