Sr. Software Developer- MERN

Krish TechnoLabs; Gujarat; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

Krish TechnoLabs in Gujarat, India seeks a Sr. MERN Developer to build, scale, and support MERN-based apps with end-to-end ownership from design to deployment.

You will collaborate with customers and stakeholders, shaping robust architectures and data models, and mentoring team members. 5+ years of MERN experience and strong cloud skills are required.

Qualifications

• 5+ years hands-on experience with MERN stack across multiple full-stack projects.

Responsibilities

• Build, enhance, and maintain full-stack applications using the MERN stack (Node.js, React.js, Next.js, MongoDB).
• Work on both backend and frontend with focus on performance, scalability, and clean architecture.
• Translate business requirements into scalable technical solutions with Project Managers and Solution teams.
• Participate in customer discussions to provide technical clarity and feasibility checks.
• Design efficient data models and optimize applications handling large datasets.
• Propose and implement microservices-based architectures where relevant.
• Integrate third-party APIs and services (REST / GraphQL).
• Act as the primary technical contact for MERN-related issues and guidance.
• Review code, mentor junior developers, and ensure best practices.
• Use AI-assisted tools to improve development speed and code quality.

Skills

MERN stack

Node.js

React.js

Next.js

Express.js

MongoDB

REST API

GraphQL

Microservices

CI/CD

Git

Cloud platforms

Tools

Git

CI/CD

AWS

Azure

GCP

Job description

We are looking for a smart, dynamic, and hands-on Sr. MERN Developer who will play a key role in building, scaling, and supporting MERN-based applications. The role requires strong technical expertise along with the ability to understand business requirements and communicate effectively with customers and internal stakeholders.

What You'll Be Doing

• Build, enhance, and maintain full-stack applications using the MERN stack (Node.js, React.js, Next.js, MongoDB).
• Work on both backend and frontend with strong attention to performance, scalability, and clean architecture.
• Translate business requirements into scalable technical solutions in collaboration with Project Managers and Solution teams.
• Participate in customer discussions to provide technical clarity, solution recommendations, and feasibility checks.
• Design efficient data models and optimize applications dealing with large datasets and high data volumes.
• Propose and implement microservices-based architectures where relevant.
• Integrate third-party APIs and services (REST / GraphQL).
• Act as the primary technical point of contact for MERN-related issues, troubleshooting, and guidance.
• Review code, support junior developers, and ensure adherence to best practices in development.
• Use AI-assisted tools to improve development speed, code quality, and problem-solving.

What We'd Love To See

• 5+ years of hands-on experience working across the MERN stack.
• Strong expertise in Node.js, React.js, Next.js, Express.js.
• Deep understanding of MongoDB, especially data modeling for large-scale applications.
• Experience building and consuming RESTful APIs and GraphQL endpoints.
• Exposure to microservices architecture and scalable system design.
• Familiarity with Git, version control practices, and CI/CD workflows.
• Ability to understand business context and make informed technical decisions.
• Excellent communication skills and ability to interact confidently with customers.
• A problem-solving, ownership-driven mindset with adaptability and willingness to learn.
• Experience with cloud platforms (AWS, Azure, GCP) and deployment strategies.
• Exposure to headless or API-driven architectures.
• Experience optimizing applications for speed, scalability, and performance.
• Hands-on familiarity with AI-driven development tools beyond the basics.