Full Stack Developer (Senior) – ECommerce Experts

Winzons; India; On-site; INR 1,500,000 - 2,400,000; Full time

Job summary

Infogain is seeking a Senior Full Stack E-Commerce Developer with 6–9 years of experience to design, build, and scale modern e-commerce platforms and customer-facing web applications. You will work across Product, UX, Engineering, and DevOps to deliver high-performance, secure experiences.

The role emphasizes React.js, TypeScript, Node.js, AWS services, and a strong focus on scalable, SEO-friendly, mobile-first solutions in a fast-paced environment.

Qualifications

• 6–9 years of experience in designing, developing, and scaling modern e-commerce platforms and customer-facing web applications.
• Strong expertise in React.js, TypeScript, Node.js, AWS Cloud Services, and modern web architecture.

Responsibilities

• Design, develop, and maintain scalable e-commerce applications using React.js, TypeScript, and Node.js.
• Build responsive, high-performance user interfaces with modern frontend frameworks.
• Develop reusable UI components and shared libraries for consistency across applications.
• Create robust backend services, APIs, and microservices to support business functionality.
• Ensure seamless integration between frontend and backend systems.
• Develop and enhance customer-facing shopping experiences including: Product Catalog Management, Search & Filtering, Shopping Cart, Checkout Workflows, Order Management, User Account Management, Payment Integrations, Promotions & Discounts.
• Optimize applications for speed, scalability, and conversion performance.
• Implement SEO-friendly and mobile-first development practices.
• Design and develop RESTful APIs and backend services using Node.js and Express.js.
• Build secure authentication and authorization systems using JWT and OAuth.
• Develop scalable serverless applications using AWS Lambda.
• Integrate third-party services such as payment gateways, CRM systems, logistics providers, and marketing platforms.
• Implement data validation, error handling, and API security best practices.
• Build and deploy applications on AWS cloud infrastructure.
• Utilize AWS services including: AWS Lambda, Amazon S3, API Gateway, CloudWatch, IAM.
• Implement serverless architectures for scalable and cost-efficient solutions.
• Collaborate with DevOps teams for deployment automation and monitoring.

Skills

React.js

TypeScript

Node.js

AWS Cloud

REST APIs

MongoDB

PostgreSQL

JWT/OAuth

RBAC

AWS Lambda

API Gateway

CloudWatch

GitHub Actions

CI/CD

Docker

Kubernetes

Next.js

HTML5/CSS3

Education

Bachelor's or Master's degree in Computer Science, Information Technology, Engineering, or related field

Tools

Docker

Kubernetes

GitHub Actions

Job description

Company Name: Infogain

Job Role: Senior Full Stack Developer - eCommerce Applications

Experience Required: 6 to 6 Years

Location: Pune, Bangalore, Mumbai, India

Qualification: Bachelor's or Master's Degree in Computer Science, Information Technology, Engineering, or a related field

Industry: E-Commerce / Information Technology

Department: Engineering

Description

We are looking for a highly skilled Senior Full Stack E-Commerce Developer with 6- 9 years of experience in designing, developing, and scaling modern e-commerce platforms and customer-facing web applications.

The ideal candidate will possess strong expertise in React.js, TypeScript, Node.js, AWS Cloud Services, and modern web architecture.

The role involves building high-performance, scalable, and secure applications while collaborating with Product, UX, Engineering, and DevOps teams to deliver exceptional digital commerce experiences.

Key Responsibilities

• Design, develop, and maintain scalable e-commerce applications using React.js, TypeScript, and Node.js.
• Build responsive, high-performance user interfaces with modern frontend frameworks.
• Develop reusable UI components and shared libraries for consistency across applications.
• Create robust backend services, APIs, and microservices to support business functionality.
• Ensure seamless integration between frontend and backend systems.
• Develop and enhance customer-facing shopping experiences including:
  • Product Catalog Management
  • Search & Filtering
  • Shopping Cart
  • Checkout Workflows
  • Order Management
  • User Account Management
  • Payment Integrations
  • Promotions & Discounts
• Optimize applications for speed, scalability, and conversion performance.
• Implement SEO-friendly and mobile-first development practices.
• Design and develop RESTful APIs and backend services using Node.js and Express.js.
• Build secure authentication and authorization systems using JWT and OAuth.
• Develop scalable serverless applications using AWS Lambda.
• Integrate third-party services such as payment gateways, CRM systems, logistics providers, and marketing platforms.
• Implement data validation, error handling, and API security best practices.
• Build and deploy applications on AWS cloud infrastructure.
• Utilize AWS services including:
  • AWS Lambda
  • Amazon S3
  • API Gateway
  • CloudWatch
  • IAM
• Implement serverless architectures for scalable and cost-efficient solutions.
• Collaborate with DevOps teams for deployment automation and monitoring.

Database Design & Management

• Design and optimize database schemas for high-volume transactional systems.
• Develop and maintain applications using:
  • MongoDB
  • PostgreSQL
• Create efficient queries, indexing strategies, and data models.
• Build and maintain CI/CD pipelines using GitHub Actions.
• Automate testing, deployment, and release processes.
• Participate in infrastructure monitoring and incident management.
• Implement secure development and deployment practices.
• Write clean, maintainable, and well-documented code.
• Conduct code reviews and enforce coding standards.
• Implement unit testing, integration testing, and end-to-end testing.
• Troubleshoot production issues and perform root cause analysis.
• Work closely with Product Managers, UX Designers, QA Engineers, and Architects.
• Participate in technical design discussions and architecture reviews.
• Mentor junior developers and contribute to engineering best practices.
• Provide technical estimates and support sprint planning activities.

Required Technical Skills

Frontend Technologies

• React.js
• TypeScript
• JavaScript (ES6+)
• HTML5
• CSS3
• Responsive Web Design
• Redux / Context API
• Next.js (preferred)

Backend Technologies

• Node.js
• Express.js
• REST APIs
• Microservices Architecture
• Server-side Rendering (SSR)

Database Technologies

• MongoDB
• PostgreSQL
• Database Design & Optimization

Authentication & Security

• JWT Authentication
• OAuth 2.0
• Role-Based Access Control (RBAC)
• Secure API Development
• Application Security Best Practices

Cloud & DevOps

• AWS Lambda
• Amazon S3
• API Gateway
• CloudWatch
• GitHub Actions
• CI/CD Pipelines
• Git Version Control

Preferred Experience

• Experience building large-scale B2C or D2C e-commerce platforms.
• Exposure to headless commerce architecture.
• Experience integrating payment gateways such as Stripe, Razorpay, PayPal, or Adyen.
• Knowledge of caching technologies such as Redis.
• Experience with containerization technologies (Docker, Kubernetes).
• Familiarity with Agile/Scrum methodologies.
• Exposure to performance optimization, SEO, and web analytics.
• Bachelor's or Master's degree in Computer Science, Information Technology, Engineering, or related field.