MERN Stack Developer

Location: Indore

Position: Full Stack Developer Intern

Type: Unpaid Internship

Duration: 3–6 Months

🎯 Role Overview

We are looking for enthusiastic and passionate Full Stack Developer Interns who are eager to learn, build real-world projects, and gain hands-on experience in a professional environment.

✅ Key Responsibilities

• Assist in developing web applications (Frontend + Backend)
• Work with technologies like React.js, Node.js, MongoDB, Express.js
• Develop and integrate APIs
• Debug, test, and optimize code
• Collaborate with the development team on live projects
• Follow best coding practices

🎯 Requirements

✔ Basic knowledge of HTML, CSS, JavaScript

✔ Understanding of MERN Stack (React, Node, MongoDB, Express)

✔ Interest in Backend / Frontend development

✔ Willingness to learn and adapt quickly

✔ Fluent communication skills

✔ Immediate joiners preferred

💡 Preferred Skills

✔ Knowledge of Git/GitHub

✔ Basic understanding of APIs & databases

✔ Exposure to CI/CD or DevOps (bonus)

🎓 Eligibility

• B.Tech / BCA / MCA / Any Graduate (IT background preferred)
• Freshers & Students can apply

🎁 What You Will Gain

• Hands-on experience on live projects
• Real industry exposure
• Certificate of Internship
• Opportunity for full-time role based on performance

Job Title: Full-Stack MERN Developer (5–8 Years Experience)

Location: Borivali, Mumbai (Onsite)

Experience: 6–8 Years

Joining: Immediate Joiners

Employment Type: Full-time

Job Overview

We are looking for an experienced Full-Stack MERN Developer to join our engineering team in Borivali, Mumbai. The ideal candidate should have strong hands-on experience building scalable web applications using React, Node.js, Express, and MongoDB, with a solid understanding of REST APIs, microservices architecture, performance optimization, and cloud infrastructure.

You will work on consumer-facing applications, handle large datasets, and contribute to building reliable, high-performance systems.

Key Responsibilities

• Design, develop, and maintain full-stack web applications using MERN stack
• Build scalable and secure RESTful APIs and backend services using Node.js & Express
• Develop reusable and high-performance React components with proper state management
• Implement microservices-based architecture and inter-service communication
• Optimize application performance at both frontend and backend levels
• Work with MongoDB for data modeling, indexing, and performance tuning
• Handle large datasets efficiently and ensure system reliability
• Implement logging, tracing, and monitoring for production-ready applications
• Collaborate with product, frontend, backend, and DevOps teams
• Write clean, maintainable, and well-documented code

Technical Requirements

Backend

• Strong hands-on experience with Node.js & Express.js
• Expertise in building REST APIs and backend business logic
• Strong understanding of async programming (Callbacks, Promises, Async/Await)
• Experience with microservices architecture
• Hands-on experience with MongoDB (Expert level)
• Working knowledge of PostgreSQL / MySQL
• Experience with Kafka or other message queue systems
• Familiarity with Bull / job schedulers

Frontend

• Strong experience with React.js
• Hands-on experience with state management (Redux, Context API, or similar)
• Good understanding of HTML, CSS, AJAX
• Experience with performance optimization techniques in React

Infrastructure & Cloud

• Experience with Docker and Kubernetes (K8s)
• Hands-on exposure to AWS services such as EC2, S3, ELB, AutoScaling, CloudFront
• Understanding of CI/CD pipelines is a plus

Core Computer Science

• Good understanding of Data Structures & Algorithms
• Solid knowledge of Operating Systems fundamentals

Good to Have

• Experience with Redis for caching
• Exposure to Vue.js
• Experience working on consumer-facing web or app products
• Strong debugging and problem-solving skills
• Familiarity with application monitoring tools (logs, metrics, tracing)

What We’re Looking For

• Strong problem-solving mindset and ownership attitude
• Ability to learn new tools and technologies quickly
• Comfortable working in fast-paced, production-driven environments
• Immediate or short-notice joiners preferred

Sr. Software Engineer

Role expects you to

• Design, code, test, debug, deploy Web App and Mobile Apps

• Collaborate with SMEs to resolve Technical Issues and Achieve Goals

• Lead Projects, teams

• Strong problem solving skills

• Open to learn new technologies

Qualification

▪ 4+ years of IT Development Experience

▪ Comprehensive Programming Experience in Web and Mobile app development using

MEAN or MERN stack

▪ Knowledge of Python, Ruby

▪ Knowledge of RDBMS like MS SQL, PostgreSQL, MySQL

▪ Understanding of Dev-Ops Tools like git, Jenkins, Azure Dev-Ops

▪ Exposure Cloud technologies, Agile development process, Estimation techniques

▪ Understanding of End to End Development process

A full-stack developer is a versatile professional who has expertise in both front-end and back-end web development. They are responsible for building and maintaining all aspects of a web application or software product. Here are some key roles and responsibilities typically associated with full-stack developers:

1. Front-end Development:

• User Interface (UI) Design: Designing the user interface of web applications to ensure they are visually appealing and user-friendly.
• HTML/CSS: Creating the structure and styling of web pages using HTML (Hypertext Markup Language) and CSS (Cascading Style Sheets).
• JavaScript: Writing client-side code to add interactivity and functionality to web applications. Knowledge of popular JavaScript frameworks and libraries like React, Angular, or Vue.js is often required.

1. Back-end Development:

• Server-side Programming: Developing server-side logic and APIs (Application Programming Interfaces) using programming languages like Python, Java, Ruby, Node.Js(Node), or React Js(React).
• Database Management: Designing and managing databases, including creating schemas, writing SQL queries, and using database management systems like MSSQL, PostgreSQL, MongoDB, or SQL Server.
• Server Configuration: Setting up and configuring web servers, such as Apache, Nginx, or IIS, and deploying applications.

1. Integration and APIs:

• Building and integrating third-party APIs and services into web applications.
• Developing RESTful or GraphQL APIs to allow communication between the front-end and back-end components.

1. Version Control:

• Using version control systems like Git to track changes in code and collaborate with other developers.

1. Security:

• Ensuring the security of web applications by implementing authentication, authorization, and other security measures.
• Protecting against common web vulnerabilities like SQL injection, cross-site scripting (XSS), and cross-site request forgery (CSRF).

1. Testing and Debugging:

• Writing unit tests, integration tests, and performing debugging to ensure the reliability and quality of the code.

1. Deployment and DevOps:

• Deploying web applications to production servers and managing the deployment process.
• Familiarity with DevOps practices, including continuous integration and continuous delivery (CI/CD), is often beneficial.

1. Performance Optimization:

• Identifying and addressing performance bottlenecks in web applications to ensure optimal speed and responsiveness.

1. Collaboration:

• Collaborating with designers, product managers, and other team members to understand project requirements and deliver functional solutions.

1. Maintenance and Updates:

• Regularly updating and maintaining web applications to ensure they remain compatible with evolving technologies and security standards.

1. Documentation:

• Creating documentation for code, APIs, and system architecture to facilitate future development and troubleshooting.

1. Problem Solving:

• Full-stack developers need strong problem-solving skills to diagnose issues, implement solutions, and adapt to evolving project requirements.

1. Continuous Learning:

• Staying updated with the latest web development trends, tools, and technologies to enhance skills and deliver cutting-edge solutions.

Full-stack developers play a crucial role in the development lifecycle of web applications, from conceptualization and design to deployment and ongoing maintenance. Their ability to work on both front-end and back-end components makes them valuable assets in web development teams.

Responsibilities

• Strong knowledge of MERN stack (MongoDB, Express JS, React JS, Node JS, HTML5, CSS3, jQuery, Bootstrap, SASS)
• Develop user interfaces for modern rich internet applications with the latest front-end technologies
• Developing features to enhance the user experience.
• Should have excellent in-depth knowledge on Nodejs and MongoDB
• Hands-on experience working with Object-Oriented JavaScript (OOJS), JavaScript libraries and their practical uses in building complex interactive experiences
• Building reusable code for future use
• Writing tested code and its documention

• 1+ years of experience in front end development and backend development is must
• Thorough knowledge of HTML5, CSS3 (LESS/SASS),React, Nodejs and Mongodb
• Solid understanding of JavaScript and the ability to pick up any framework quickly
• Strong Experience in back-end frameworks used to develop dynamic web pages (REST, GraphQL, WebSocket/socket.io)
• Expertise in developing and testing across multiple browsers, platforms, DOM implementations, etc.
• Strong experience in React, React Hooks, Redux, Thunk | Saga, ES6, Typescript, ESLint, Nodejs, GraphQL, Redis, AWS, Git, Github, Docker

Bonus but not mandatory

• UI/UX designs
• AWS
• Git
• CI/CD

1. Building REST APIs using Node.js, Express, and MongoDB
2. Working on Flutter application development using various advanced strategies like state management, API integrations, and scalable databases
3. Working with Socket.io library for Flutter and Node.js product development
4. Learning and developing the cryptographic functions for product security
5. Managing product workloads on public/private cloud - we are currently on AWS & also planning to be on GCP/Azure (our platform would also be available as on-premise deployment, you will handle these deployments)
6. Develop API based architecture in order to ensure the business growth and integration-al capabilities of the product
7. Work on using GIT and CI-CD for product version control and continuous delivery

Job Description

• Planning with the product advancement group to finish item thoughts 
• Utilizing different programming to plan the items. Has hands on coding experience across different technology stacks. Willing to experiment & explore across technologies and identify the best suited
• Performing constant market analysis of competing products
• Testing item models to control configuration blemishes 
• Talking with delivery team to work out financially savvy producing methodology and solutions. 
• Ability to ideate, code, setup a prototype and on approval design the entire application as per business requirements.
• Complete knowledge of Full stack development. .
• As a product engineer, our Super Hero is expected to participate in all parts of development life cycle. Create user friendly, cost effective product design.
• Ability to research w.r.t features, UX, functionalities and finally testing before being rolled out.

Job Requirements

• Familiarity with all stages of product development life cycle.
• Extensive experience in writing codes, deep understanding of platform architecture, ability to design & develop solutions & knack towards problem solving.
• Deep engineering skills in various technology stacks, ability to handle big data concepts, keen to work in IIOT & machine data domain.  
• Ability to effectively present ideas & communicate with team members within & outside organization, ability to write routine reports and correspondence and ability to speak confidently & effectively before groups of customers or other Donaldson colleagues.
• We are happy to have a technology geek take this position as long as s/he is able to align the product roadmap to organization’s growth roadmap.
• Good communication and presentation skills
• Effective written and verbal skills in English Language are mandatory.
• This is a global role and the candidate may be required to travel to Smart Ship Hub’s different delivery centres.

Experience Requirements & Educational Qualification

• Atleast 5 years of proven product engineering experience. Must have: managed product life cycle, knowledge of product roadmap, extensive coding experience.
• Should be open to working in Disruptive Application Design domain, IIOT, Smart Sensors, Big data

We are backed by some of the best global early-stage technology investors, prolific fintech founders, and experienced insurance industry veterans.