MERN Stack Developer

MERN Stack Developer

Location: Surat, Gujarat (No WFH )

Job Summary:

We are looking for a Full Stack Developer (MERN) with hands-on experience in building highly scalable, performance-driven applications. The ideal candidate should have a deep understanding of both front-end and back-end development, microservices, and database optimization for large-scale systems. You will be responsible for designing, developing, and maintaining applications that can handle high concurrency (1,000+ active users) while ensuring performance, reliability, and scalability.

This role involves working closely with cross-functional teams — including product managers, designers, and DevOps engineers — to deliver cutting-edge, enterprise-grade solutions.

Roles & Responsibilities:

• Design and develop scalable and distributed web applications using the MERN stack (MongoDB, Express.js, React/Next.js, Node.js).
• Build and optimize RESTful APIs for high-performance, concurrent environments.
• Architect and manage MongoDB databases, ensuring high availability, efficient query performance, and scalability.
• Implement queueing systems (e.g., BullMQ, RabbitMQ, Kafka, or Redis Queues) for background jobs and asynchronous processing.
• Optimize server and client performance to support real-time data updates and high concurrent user loads.
• Collaborate with DevOps to improve deployment pipelines, containerization (Docker), and cloud scalability.
• Conduct thorough testing, profiling, and debugging to identify performance bottlenecks and optimize both code and infrastructure.
• Participate in code reviews, architecture discussions, and sprint planning to ensure technical excellence and scalability across all layers.

Qualification / Requirements:

• Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience).
• 1 + years of hands-on experience in full-stack development using the MERN stack.
• Proven experience working on applications supporting 1,000+ concurrent users or large-scale distributed systems.
• Strong expertise in:
• Node.js (asynchronous programming, clustering, performance optimization)
• Next.js & React.js (SSR, CSR, and dynamic rendering)
• MongoDB (aggregation pipelines, indexing, schema design for scalability)
• Practical experience with message queues (BullMQ, RabbitMQ, Kafka, or Redis Streams).
• Familiarity with caching mechanisms (Redis, Memcached) to optimize performance.
• Experience with Docker and microservices-based architectures is a plus.
• Good understanding of API design, authentication mechanisms (JWT, OAuth), and security best practices.
• Experience working in Agile environments and using Git-based version control.

Nice to Have:

• Exposure to serverless computing (AWS Lambda).
• Experience with monitoring tools (New Relic, Datadog, ELK Stack).
• Knowledge of CI/CD pipelines and automated deployment workflows.
• Experience in real-time communication (WebSockets, Socket.io).

Description

Zycus is looking for a Meanstack/Mernstack Developer, who is motivated to combine the art of design with the art of programming. Responsibilities include implementing visual elements and their behavior with user interactions.. You will also be playing an active role on front end as well as backend development, and defining how the application looks and functions. We are looking for candidates with strong experience in MongoDB, Express.js, Angular, Node.js, Javascript, HTML, CSS, Jquery, Ajax. If you are a Mean Stack or full stack developer with a strong technical experience, then you could be the best fit for the role!

Roles & Responsibilities

· Creating Apps by working on all layers of architecture Understanding the flow of code and how it interacts with different components.

· Creating technical design documents by understanding requirements, and product objectives.

· Writing effective Unit tests

· Good analytical skills and innovative mind.

· Source code management.

· Excellent communication skills.

Requirements

· Total experience of 5 - 8 years

· Experience on Mean Stack/Mernstack (MongoDB, Express.js, Angular, Node.js)

· Strong understanding of JavaScript, object-oriented JS, its quirks, and workarounds·

· Strong hands on experience in JavaScript· Strong proficiency with JavaScript or CoffeeScript depending on your technology stack.·

· Good understanding of server-side CSS preprocessors such as Stylus, Less·

· Basic understanding of web markup, including HTML5 and CSS3· Good understanding of asynchronous request handling, partial page updates, JQuery, and AJAX·

· Proficient understanding of cross-browser compatibility issues and ways to work around such issues· Familiarity with JavaScript module loaders, such as Require.js and AMD·

· Proficient understanding of code versioning tools, such as SVN· Good understanding of browser rendering behaviour and performance

· Key Programming Skills: MEAN stack, full stack, Angular, Java, HTML/CSS, Javascript, Bootstrap.

· Experience working with Rest based APIs

Five Reasons Why You Should Join Zycus

1. Cloud Product Company: We are a Cloud SaaS Company and our products are created by using the latest technologies like ML and AI. Our UI is in Angular JS and we are developing our mobile apps using React.

2. A Market Leader: Zycus is recognized by Gartner (world’s leading market research analyst) as a Leader in Procurement Software Suites.

3. Move between Roles: We believe that change leads to growth and therefore we allow our employees to shift careers and move to different roles and functions within the organization

4. Get a Global Exposure: You get to work and deal with our global customers.

5. Create an Impact: Zycus gives you the environment to create an impact on the product and transform your ideas into reality. Even our junior engineers get the opportunity to work on different product features.

Skills required – Javascript,Mongodb,Angularjs,Nodejs

Level:P1-Exp -1-2 years

Location – Pune

Responsibilities

Work with development teams 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

Write technical documentation

Work with data scientists and analysts to improve software

Requirements

Proven experience as a Full Stack Developer or similar role

Experience developing desktop and mobile applications

Familiarity with common stacks

Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS, JavaScript, XML, jQuery)

Knowledge of multiple back-end languages (e.g. C#, Java, Python) and JavaScript frameworks (e.g. Angular, React, Node.js)

Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g. Apache) and UI/UX design

Excellent communication and teamwork skills

Great attention to detail

Organizational skills

An analytical mind