MERN Stack Developer

Job Title : React + Node.js Developer (Full Stack)

Experience : 5+ Years

Location : Mumbai or Pune (Final location to be decided post-interview)

Notice Period : Immediate to 15 Days

Interview Rounds : 1 Internal Round + 1 Client Round

Job Summary :

We are looking for a highly skilled Full Stack Developer (React + Node.js) with strong expertise in both frontend and backend development.

The ideal candidate should demonstrate hands-on experience with databases, excellent project understanding, and the ability to deliver scalable, high-performance applications in production environments.

Mandatory Skills :

React.js, Node.js, PostgreSQL/MySQL, JavaScript (ES6+), Docker, AWS/GCP, full-stack development, production system experience, and strong project understanding with hands-on database expertise.

Key Responsibilities :

• Design, develop, and deploy robust full-stack applications using React (frontend) and Node.js (backend).
• Exhibit a deep understanding of database design, optimization, and integration using PostgreSQL or MySQL.
• Translate project requirements into efficient, maintainable, and scalable technical solutions.
• Build clean, modular, and reusable components following SOLID principles and industry best practices.
• Manage backend services, APIs, and data-driven functionalities for large-scale applications.
• Work closely with product and engineering teams to ensure smooth end-to-end project delivery.
• Use Docker and cloud platforms (AWS/GCP) for containerization, deployment, and scaling of services.
• Participate in design discussions, code reviews, and troubleshooting production issues.

Required Skills :

• 5+ Years of hands-on experience in full-stack development using React and Node.js.
• Strong understanding and hands-on expertise with relational databases (PostgreSQL/MySQL).
• Solid grasp of JavaScript (ES6+), and proficiency in Object-Oriented Programming (OOP) or Functional Programming (FP).
• Proven experience working with production-grade systems and scalable architectures.
• Proficiency with Docker, API development, and cloud services (preferably AWS or GCP).
• Excellent project understanding, problem-solving ability, and strong communication skills (verbal and written).

Good to Have :

• Experience in Golang or Elixir for backend development.
• Knowledge of Kubernetes, Redis, RabbitMQ, or similar distributed tools.
• Exposure to AI APIs and tools.
• Contributions to open-source projects.

Job Title: Agentic AI Intern (Full-Stack)

Location: Borivali, Mumbai (Onsite)

Position Type: Summer Internship

Job Overview

We are seeking a highly motivated and technically proficient Agentic AI Intern with a strong foundation in full-stack development. In this role, you will work at the intersection of modern web development and cutting-edge Artificial Intelligence, designing autonomous AI agents and integrating AI capabilities into robust applications. The ideal candidate is adaptable, language-agnostic, and eager to leverage modern AI tools to accelerate development velocity.

Key Responsibilities

• AI Agent Development: Assist in designing, building, and deploying autonomous AI agents and workflows.
• Full-Stack Development: Support backend architecture design and frontend interface development across various modern stacks.
• API & Tool Integration: Connect external LLM APIs and manage database configurations.
• Workflow Automation: Actively integrate modern AI-assisted development tools (such as Cursor, Windsurf, or GitHub Copilot) into your daily coding workflow.
• Technical Collaboration: Collaborate with the technical team to build prototypes and maintain clean, documented code.

Technical Requirements

• Backend Ecosystems: Solid foundational knowledge in backend development, with a primary preference for Python or Node.js.
• Frontend Frameworks: Competency in building modern user interfaces (experience with React, Next.js, or similar frontend technologies).
• Adaptability & Emerging Tech: High adaptability and a strong willingness or curiosity to work with high-performance ecosystems like Go, Rust, or other modern stacks as project demands evolve.
• AI Tooling & APIs: Familiarity with utilizing AI APIs and developing within modern AI-first IDEs.

Eligibility & Location Criteria

• Education: Open to current final-year students (looking for a Summer Internship) and recent graduates in CS, IT, or related engineering disciplines.
• Geographic Requirement: Candidates must reside along the Western Line within a 25km radius of Borivali to ensure a sustainable daily onsite commute.
• Competencies: A strong problem-solving mindset, a self-driven approach to learning new technologies quickly, and clear technical communication skills.

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.

Job Title: .NET Full Stack Developer

Experience: 3 to 6 Years

Work Mode: Hybrid (2-3 days from office)

Location: Gurgaon

Joiners: Immediate joiners or candidates who have completed their notice period preferred

Key Responsibilities

• Design, develop, and maintain web applications using .NET (C#) on the backend and Angular/React on the frontend.
• Develop RESTful APIs and integrate them with front-end components.
• Collaborate with UI/UX designers, backend developers, and product managers to deliver high-quality features.
• Write clean, maintainable, and efficient code following best practices.
• Participate in code reviews and contribute to continuous improvement of development processes.
• Troubleshoot and debug issues across the application stack.
• Work with DevOps teams to support CI/CD pipelines and deployment.
• Ensure application scalability, performance, and security.
• Contribute to documentation, unit testing, and version control.

Required Skills

• Strong proficiency in C# and .NET Core/.NET Framework.
• Experience with JavaScript and modern front-end frameworks like Angular or React (preference for Angular).
• Exposure to cloud platforms – Azure (preferred), AWS, or GCP.
• Good understanding of HTML5, CSS3, and TypeScript.
• Experience in RESTful API development.
• Familiarity with Entity Framework and SQL-based databases like SQL Server.
• Understanding of version control systems like Git.
• Basic knowledge of CI/CD practices and tools like Azure DevOps or Jenkins.

About us:

 We are not just an AD agency or a creative agency, we are a Communication Company. Founded in 2014, Moshi Moshi is a young, creative, gutsy and a committed communication company that wants its clients to always Expect the EXTRA from it.

Our primary clientele consists of Startups & Corporates like Ola, Zoomcar, Mercedes Benz, ITC, Aditya Birla Group, Colive, MTV, Toit, IHCL, Jaquar, Sobha, Simple Energy, and Godrej amongst others. We have a huge team of creative folks, marketers, learners, developers, coders and a puppy momo, who believe Moshi Moshi is an experience rather than a company.

Why Moshi Moshi? 

The learning curve at Moshi Moshi is very high when compared to the industry average and that's primarily because you get to work with Companies / Brand managers / Marketers of different sizes and thought processes who push you to think better and faster. So, Hop on to the ride we dearly call Moshi Moshi and let's Say hello to the world.

PS:- We are also very close to a lot of food joints and breweries, so in case your manager/boss gives you a lot of work or is Expecting the Extra, you can quickly grab a recharge and continue with your everyday life struggles. We can't do much about the manager!

What .............................. Are you a FULL STACK developer?

Yeah man I am Have you developed FULL STACK websites? Yeah I have done a few of these Oooo Mannnnn these are very poor Let me tell you one thing we are going to create the best website of your life together like these:- https://www.unisoindia.com/ https://www.florestagoa.in/ https://www.myhealthymunch.com/ https://www.moshimoshi.in/ 

Are you up for it? I am sure you are. We will take care of the design and you take care of the dev Here is JAY Calling out for His VIRU. Sachin calling out for his Sehwag. Ranveer calling for out his Deepika. Moshi Moshi & (Lucky you) Ps:- You can be the lucky one(Real JD is mentioned below)

A FULL STACK Developer is responsible for the coding, design, and layout of a website according to a company's specifications. As the role takes into consideration user experience and function, a certain level of both graphic design and computer programming is necessary. Handling the development of the website. Handling the tech side of the business and coordinating with the client. Team Management. Website Development.

Languages - React.JS, Redux, MySQL, Java Script, Microservices, Node.JS, MySQL, Mongo DB AWS server-side.

Minimum Qualifications

• Excellent problem-solving skills and the got right attitude to work in fast paced environments
• Bachelor’s degree in computer science or equivalent practical experience
• 2 to 5 years of experience in software development using modern frontend frameworks in JavaScript/TypeScript.
• Strong understanding of data structures and algorithms.

Preferred Qualifications

• Strong in Object Oriented Programming and Design Patterns.
• You have experience of working closely with the product and design teams to deliver the product that materially impacts the business and improves the customer experience
• You follow SOLID principles and have experience with microservice architecture, have designed and implemented high performance scalable services/APIs.
• You have experience with component based architectures, PWA, Service workers, UI patterns and libraries most preferably ReactJS / NextJS
• Write client side high performant applications & develop prototypes
• Experience working with Node, NestJS / Express.
• Experience working with PostgreSQL, Redshift, Dynamo, Mongo and Cassandra databases.
• Experience working with RabbitMQ, Kafka.
• You constantly learn and adopt best practices at work, keeping in mind app performance, security, and scalability.
• You have experience working in distributed systems and built/designed systems to failover, event streaming, caching strategies
• You have experience with Docker/Kubernetes in AWS or any cloud computing platforms. And, are familiar with CI/CD processes.

Bonus if you are great communication and team collaboration skills.

We are looking for a senior developer to produce and implement functional software/web solutions. You will work with upper management to define software requirements and take the lead on operational and technical projects.

In this role, you should be able to work independently with little supervision. You should have excellent organization and problem-solving skills. Your goal will be to develop high-quality software/websites that is aligned with user needs and business goals.

Description:

• Migrating legacy applications to new technologies
• Maintaining applications and troubleshooting
• Designing new software programs, websites, and applications
• Managing project timelines and tasks

Skills & Experience:

• Proven experience as Senior Developer
• Must know - asp.net, MVC Architecture, AJAX, REACTJS, HTML/CSS, MS SQL, JAVASCRIPT
• Python and/or NODEJS, JAVA is added bonus
• Well versed with SSO, Shibboleth and SAML
• Creating and integrating API's
• Should have good knowledge about networking
• Previous experience with applications based on SAML, SSO and CDN's.
• Must have basic knowledge about Identity Providers, access gateways and integration with SSO's

We are now looking for,

Senior SW Developer – IoT Platform Development

to join the team of experts at the KONE Services & Solutions R&D. You will work together with other professionals to develop advanced KONE digital solutions that leverage the latest in cloud and connectivity technologies.

You are a cloud development expert who is passionate about designing and implementing solutions for our connectivity solutions. You are familiar with the software development patterns and can turn the architectural plans to concrete SW designs. You understand and appreciate the modern SW development practices. You work at your best when you are working with people, and you enjoy helping others.

You will work in a key role inside our Agile SW development team. Your closest colleagues will be other developers, test professionals and the PO of the team. You will be part of KONE Technology and Innovation unit’s IoT Tribe.

Main responsibilities include,

• Producing more efficient software designs for new features in our IoT platform tribe
• Developing clean and efficient code based on the specifications.
• Unit and Integration Testing for the developed code and integrate with code coverage tools.
• Verify and deploy programs and systems
• Recommend and execute improvement for the existing offerings from the IoT platform.
• Create technical documentation for reference and reporting.
• Participating in knowledge sharing and demos

To be successful in this role,

• Having a degree in Computer Science or equivalent with minimum 5+ years of relevant working experience.
• More than 3 years proven experience in developing high volume scalable cloud solutions utilizing platforms like Amazon AWS with IoT domain.
• Having hands on development experience with Java, Node JS and TypeScript.
• Experience working with MVC, WEB API, RESTful services with IoT domain

• Team player with capabilities to take the lead and develop own competencies around the core knowledge is a must.
• Understanding of React JS is an added advantage.

• Strong experience with Serverless Cloud Compute Services with AWS or Azure

• Experience in working with AWS platform and its core services like Lambda, CloudWatch, CloudFormation, CDK, SQS, S3 etc., or its equivalent Azure services
• Understanding of Serverless design, network security, cloud design patterns, high availability and secure systems.

• Hands on experience with both SQL and No-SQL databases.
• Experience on DevOps ways of working with good understanding on CI/CD

• - Work with UX and Product Management teams to design software
• - Work with Architects and Engineering leads to build scalable software
• - Back-end software development
• - Proficient in low level system arch design
• - Strong knowledge of web development - MVC, React / Angular Framework
• - Take Product Ownership
• - Testing and fixing bugs
• - Create security and data protection settings
• - Build features with a mobile responsive design
• - Experience with Agile/Scrum methodology, Behavior Driven Development, and CI/CD
• - Ability to think critically and creatively in a dynamic environment, while picking up new tools and domain knowledge along the way

• - 3+ years of industry experience as a Backend/Full Stack Engineer
• - Degree in Computer Science or related field
• - Experience with developing web and mobile applications
• - Must have 2-5 years of experience building applications using front end technologies like – React, Angular 2+, JavaScript/Typescript, HTML5, CSS3 and Bootstrap 
• - Must have 2-5 years of full time Python (Django) experience, and hands-on experience through all stages of Agile software development life cycle. 
• - Ability to write optimized codes, debug programs, and integrate applications with third party tools by developing various APIs.
• - Proficiency with Python or relevant back-end scripting language
• - Proficiency with SQL/NoSQL databases, web servers (e.g. Nginx)
• - Experience with Cloud infrastructure (e.g. AWS), relevant microservices and load scaling
• - Maintains a strong knowledge base of new open source tech stacks, applications, techniques, and skills

• - A positive attitude, and a growth mindset
• - Great attention to details

• - Experience with serverless deployment  (e.g. Lambda)
• - Experience with API testing software (e.g. Postman)
• - Experience with multiple front-end languages and libraries (e.g. HTML/CSS, JS)
• - Good Humor