MERN Developer

Job Title : Full Stack Engineer (Python + React.js/Next.js)

Experience : 1 to 6+ Years

Location : Bengaluru (Indiranagar)

Employment : Full-Time

Working Days : 5 Days WFO

Notice Period : Immediate to 30 Days

Role Overview :

We are seeking Full Stack Engineers to build scalable, high-performance fintech products.

You will work on both frontend (Typescript/Next.js) and backend (Python/FastAPI/Django), owning features end-to-end and contributing to architecture, performance, and product innovation.

Main Tech Stack :

Frontend : Typescript, Next.js, React

Backend : Python, FastAPI, Django

Database : PostgreSQL, MongoDB, Redis

Cloud : AWS/GCP, Docker, Kubernetes

Tools : Git, GitHub, CI/CD, Elasticsearch

Key Responsibilities :

• Develop full-stack applications with clean, scalable code.
• Build fast, responsive UIs using Typescript, Next.js, React.
• Develop backend APIs using Python, FastAPI, Django.
• Collaborate with product/design to implement solutions.
• Own development lifecycle: design → build → deploy → monitor.
• Ensure performance, reliability, and security.

Requirements :

Must-Have :

• 1–6+ years of full-stack experience.
• Product-based company background.
• Strong DSA + problem-solving skills.
• Proficiency in either frontend or backend with familiarity in both.
• Hands-on experience with APIs, microservices, Git, CI/CD, cloud.
• Strong communication & ownership mindset.

Good-to-Have :

• Experience with containers, system design, observability tools.

Interview Process :

1. Coding Round : DSA + problem solving
2. System Design : LLD + HLD, scalability, microservices
3. CTO Round : Technical deep dive + cultural fit

We are looking for a highly skilled MERN Stack Developer who is passionate about building seamless user interfaces and robust backend systems. The ideal candidate will have strong expertise in ReactJS for UI development and hands-on experience in Node.js API development. You will play a crucial role in developing and maintaining scalable web applications using the MERN (MongoDB, Express.js, React.js, Node.js) stack.

Responsibilities:

• Frontend Development:
• Build responsive and dynamic user interfaces using ReactJS.
• Develop reusable components, UI libraries, and ensure excellent user experience.
• Optimize applications for maximum speed and scalability.
• Work with tools like Redux, React Hooks, and other state management libraries.
• Backend Development:
• Design and develop RESTful APIs using Node.js and Express.js.
• Build secure, scalable, and efficient server-side applications.
• Integrate third-party APIs and services when required.
• Database Management:
• Work with MongoDB to design and manage collections, queries, and indexes.
• Ensure smooth integration of database operations with the backend.
• Collaboration:
• Work closely with designers, project managers, and other developers to define project requirements and deliverables.
• Conduct code reviews and ensure clean, maintainable, and testable code.
• Testing and Deployment:
• Write unit tests and integration tests for both frontend and backend components.
• Deploy applications to cloud environments (AWS, GCP, or similar platforms).
• 
  

Skills and Qualifications:

• Strong proficiency in ReactJS:
• Experience in creating dynamic and responsive UI components.
• Knowledge of modern React features such as Hooks, Context API, and functional components.
• Hands-on Node.js API Development:
• Strong experience in Express.js to build RESTful APIs.
• Understanding of asynchronous programming and event-driven architecture.
• Good knowledge of MongoDB:
• Hands-on experience with designing collections, writing queries, and data modeling.
• Proficient in JavaScript and ES6+:
• Strong understanding of modern JavaScript, including DOM manipulation.
• Familiarity with:
• State Management Libraries (e.g., Redux, MobX).
• Version Control (Git and GitHub).
• Frontend Tools like Webpack, Babel, and NPM/Yarn.
• API Integrations and tools like Postman or Swagger for testing APIs.
• Strong understanding of UI/UX design principles:
• Ability to work with design tools (e.g., Figma, Sketch, or Adobe XD) to bring designs to life.
• Problem-solving mindset and ability to write clean, efficient, and maintainable code.

Nice-to-Have Skills:

• Experience with TypeScript.
• Knowledge of GraphQL.
• Experience with containerization tools like Docker.
• Familiarity with deployment tools (CI/CD pipelines).

Experience:

• 0-2 years of experience as a MERN Stack Developer or relevant roles.

Benefits:

• Competitive salary based on experience.
• Opportunity to work on exciting and impactful projects.
• Collaborative and dynamic work environment.
• Career growth and learning opportunities.

• Convert shared custom designs into Shopify websites
• Expert-level knowledge of Shopify Liquid templating language to edit the website
• Add new sections, filters, products, etc.
• Integrating third-party and platform-supported apps into the websites
• Analyze the requirements and provide solutions
• Work on issue debugging and troubleshooting
• Use Shopify liquid, jQuery, CSS, and HTML to deliver interfaces as required
• Use Shopify JS APIs (storefront, AJAX Cart, Sections, etc.) to deliver the required functionality

• A Bachelor's degree in Computer Science or equivalent.
• Strong knowledge of the Shopify platform
• Knowledge of SEO optimization
• 2+ years of development experience

We are looking for a MERN Stack developer to join our team at the earliest. In this role, as a Senior Mern Stack Developer, you will be entrusted with developing JavaScript applications using Node.js, Express, React.js, and Mongo DB. Apply now for the role of a Mern Stack Developer at Pattem that’s opening doors for skilled, energetic developers looking for Mern Stack Developer Jobs in Bangalore. If you can help us design and create multiple layers of applications while working cross-functionally across different infrastructures. You would fit perfectly if you love problem-solving, design, and creating quality offerings.

• As a MERN Stack Developer, it’s your responsibility to translate storyboards and various use cases to create high-performing apps
• Write, execute, and maintain clean, reusable and scalable code
• Integrate our various data storage solutions
• Ensure the responsiveness and boost the performance of our apps
• Find and address the various bottlenecks and bug-fixes
• Help in code automatization

• Previous working experience as a MERN stack developer for 3+ years
• Strong experience with full-stack Javascript framework, Mongo DB, Express, React.JS, Node JS.
• Self-motivated with the ability to work independently or jointly in a self-directed way.
• Demonstrated successful development of enterprise-grade web applications
• Proven analytical and problem-solving capabilities
• Keen attention to detail
• Comfortable leading product development
• Strong work ethic and desire to build industry-leading products
• Proactive instead of reactive
• Looking for ways to improve self and projects

• Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, AngularJS, React , Node.js, and Mongo

• Binding of UI elements to JavaScript object models

• Creating RESTful services with Node.js

• Architect scalable web architectures

• Work in a cross-functional team to deliver a complete user experience

• Create Unit and Integration tests to ensure the quality of code

• Be responsive to change requests and feature requests

• Write code that is cross-platform and cross-device compatible

• Ability to wear many hats and learn new technologies quickly