MERN stack Developer

🚀 Hiring: MERN Stack Developer

⭐ Experience: 3+ Years

📍 Location: Mumbai ( Andheri East)

⭐ Work Mode:- 5 Days Work From Office

⏱️ Notice Period: Immediate Joiners

(Only immediate joiners & candidates serving notice period)

We are looking for a MERN Stack Developer skilled in MongoDB, Express.js, React.js, and Node.js to build scalable, high-performing web applications.

💫 What We’re Looking For:

✅ Proficiency in React.js, Node.js, Express.js, MongoDB

✅Strong in JavaScript (ES6+), REST APIs, Git

✅Good problem-solving & debugging skills

Role Description

This is a full-time on-site role for a Python Full Stack Developer located in Pune. You will be responsible for end-to-end development of scalable, AI-driven web applications. Day-to-day tasks involve architecting asynchronous backend services using Python and FastAPI, building dynamic user interfaces with ReactJS, and managing cloud infrastructure on AWS. You will collaborate with data scientists and product teams to integrate AI models into enterprise solutions while ensuring high performance and reliability.

Key Responsibilities

1.      Design and develop high-performance asynchronous APIs using Python and FastAPI.

2.      Build responsive, interactive frontends using ReactJS, HTML, CSS, and Tailwind CSS.

3.      Implement distributed task queues and caching mechanisms using Celery and Redis.

4.      Architect and optimize databases, managing both structured (PostgreSQL) and unstructured (MongoDB) data.

5.      Deploy and manage infrastructure on AWS (EC2, Lambda, S3) and maintain CI/CD pipelines for automated deployment.

6.      Integrate AI/ML models into production workflows and optimize system performance for scalability.

7.      Ensure application security, data privacy, and code quality through best practices and regular testing.

Required Skills & Qualifications

1.      3–5 years of experience in full-stack development with a strong focus on Python.

2.      Proficiency in FastAPI and deep understanding of asynchronous programming (asyncio).

3.      Solid experience with ReactJS, HTML, CSS, JavaScript, and Tailwind CSS.

4.      Hands-on experience with Celery and Redis for background task processing.

5.      Working knowledge of AWS services and containerization tools like Docker.

6.      Proficiency in database management using PostgreSQL and MongoDB.

7.      Experience setting up CI/CD pipelines (Jenkins, GitHub Actions, etc.) and version control (Git).

8.      Strong understanding of RESTful API design, microservices, and security best practices.

A full stack developer job description for MERN stack developers centers on designing, developing, and maintaining robust web applications using MongoDB, Express.js, React, and Node.js as core technologies.

Responsibilities

• Develop and maintain scalable web applications using the MERN stack.
• Build interactive and responsive user interfaces with React.
• Implement server-side APIs and business logic using Node.js and Express.js.
• Design, model, and manage databases with MongoDB to ensure efficient data storage and retrieval.
• Integrate front-end with back-end systems and third-party services.
• Optimize applications for speed and scalability, troubleshoot and debug code, and ensure reliability.
• Collaborate with other developers, designers, and stakeholders in an agile environment to clarify requirements and deliver solutions.
• Implement security best practices and protect sensitive data.
• Participate in code reviews and mentor junior developers.

Requirements

• Proven experience with the MERN stack (MongoDB, Express.js, React, Node.js).
• Strong skills in JavaScript, HTML5, and CSS3.
• Familiarity with RESTful API design, version control systems (Git), and front-end frameworks like Bootstrap or Material-UI.
• Understanding of database design, schema management, and NoSQL principles.
• Problem-solving ability and communication skills.
• Bachelor's degree in computer science or related field (preferred).
• Experience working collaboratively in a team-oriented environment.

Key Skills

• JavaScript, React.js, Node.js, Express.js, MongoDB.
• HTML/CSS, RESTful APIs, Git.
• Familiarity with agile methodologies and UI/UX best practices.
• Testing, debugging, code optimization, and deployment.

Job Title: Senior Full Stack Developer 

Location: Chennai / Coimbatore 

Position Type: Full-Time 

About Us: 

At Justo Global, we are dedicated to empowering Small and Medium Enterprises (SMEs) around the world through our primary driver’s technology, data, and media. Our primary objective is to establish a global platform that effectively connects SMEs from India, developing countries, and beyond to the international market. Our mission revolves around creating an inclusive environment where SMEs can leverage the power of technology, data, and media to drive their success. 

What We’re Looking For: 

Minimum 5 - 8 years of work experience in Software application development. 

• 3+ Years of experience as a full stack developer with experience in the design and implementation of UI using React.js. 
• 5+ Years of experience in developing APIs using Node.js, and having experience with Golang will be an added advantage. 
• Proven experience in React design guidelines, SDK, and excellent JavaScript skills. 
• Experience working with SQL and NoSQL-based databases such as Oracle, MySQL, PostgreSQL, MongoDB. 
• Familiarity with API security models including but not limited to OAuth, JSON Web Token, Digital Certificates, Basic Authentication, and OpenID. 
• Exposure to DevOps culture with hands-on experience in Jenkins for CI/CD would be an added advantage. 
• Knowledge of containerization utilizing Docker and Kubernetes will be an added advantage. 

Responsibilities: 

• Demonstrate a strong sense of ownership and responsibility with release goals. This includes understanding requirements, technical specifications, design, architecture, implementation, unit testing, builds/deployments, and code management. 
• Ensure compliance through the adoption of enterprise standards and promotion of best practice / guiding principles aligned with organization standards. 
• Build and maintain the environment for speed, accuracy, consistency, and ‘up’ time. 
• Hands-on position requiring strong analytical, architectural, development, and debugging skills that includes both development and operations. 
• Developing front-end website architecture and designing user interactions on web pages, ensuring the responsiveness of applications. 
• Developing back-end APIs and creating servers and databases for functionality. 
• Working alongside graphic designers for web design features. 
• Designing and developing APIs meeting both technical and consumer needs. 

The Team: 

You will be part of an exciting talent group, where we have a dynamic team of engineers to solve the many challenges and puzzles of our rapidly evolving technical stack. We’re seeking a Senior full stack developer who is ready to work with new technologies and architectures in a forward-thinking organization that’s always pushing boundaries. This person will have complete, end-to-end ownership of projects. The ideal candidate has experience building products across the stack and a firm understanding of web frameworks, APIs, databases, and multiple back-end languages. The full stack developer will join a small team that uses new technology to solve challenges for both the front-end and back-end architecture, ultimately delivering amazing experiences for global users. 

• 6 to 9 yrs You can write backend code using primarily Java
• You can contribute to frontend code stack in ReactJS or other Javascript framework
•  front-end technologies (ReactJS /AngularJS) experience
• 3+years of experience with web application development
• 3+ years of database experience
• 3+ years of Webservices or API Development experience
• 3+ years of experience with Java development
• Web Framework experience with Spring MVC
• Strong work experience with Java, Spring Boot, Microservices, MongoDB
• Web UI experience with CSS, AJAX, JavaScript, Bootstrap, AngularJS / ReactJS
• Familiarity and working knowledge Docker, Jenkins
• Database and caching experience, SQL and NoSQL (SQL, Postgres)

• Must have a PHP experience, a fullstack developer will also do
• Experience - 3-6 years
• No. of vacancies - 6
• Salary - 40k-70k in hand
• B.Tech/M.Tech from any college will do

Job Description :

- The ideal candidate is a self-motivated, multi-tasker, and demonstrated team-player.

- You will be responsible for the development of new software products and enhancements to existing products.

- You should excel in working with large-scale applications and frameworks and have outstanding communication skills.

Responsibilities :

- Writing clean, high-quality, high-performance, maintainable code

- Develop and support software including applications, database integration, interfaces, and new functionality enhancements

- Coordinate cross-functionally to insure project meets business objectives and compliance standards

- Support test and deployment of new products and features

- Participate in code reviews

Skills : Reactjs, Nodejs, Mysql

Qualifications :

- Bachelor's degree in Computer Science (or related field)

- 4+ years of relevant work experience

- Ability to multi-task, organize, and prioritize work

- Candidates who are willing to work from office based at Bangalore- Manyata Tech Park.