Senior React & Next.js Developer – Ecommerce
NEXTEONS is a technology solutions partner focused on helping businesses grow through modern digital products, software platforms, and intelligent technology solutions.
We design and develop scalable, reliable, and user-centric applications across ecommerce, ERP, business automation, AI, and digital platforms. Our team works closely with clients to understand real business requirements and transform them into practical, high-quality software solutions.
At NEXTEONS, we value technical excellence, ownership, continuous learning, clean engineering practices, and practical problem-solving.

Role
We are looking for a Senior React & Next.js Developer to join our development team in Kozhikode, Kerala.
The ideal candidate should have strong hands-on experience building production-grade web applications, with particular emphasis on ecommerce platforms and high-performance customer-facing applications.
You will be responsible for architecting, developing, optimizing, and maintaining scalable applications using React and Next.js, while working closely with UI/UX designers, backend developers, product teams, and business stakeholders.Key Responsibilities

Architect and develop scalable web applications using React.js and Next.js.
Build high-performance, responsive, and accessible user interfaces.
Develop reusable and maintainable components and frontend architectures.
Work with Next.js App Router, Server Components, SSR, SSG, ISR, and modern rendering strategies.
Integrate REST APIs, GraphQL APIs, and backend services.
Implement state management using Redux, Redux Toolkit, or suitable modern alternatives.
Develop and optimize ecommerce features including:
Product catalog and product detail pages
Product variants and attributes
Search and filtering
Shopping cart and checkout
Customer accounts
Wishlist and product comparison
Promotions, coupons, and pricing
Order management interfaces
Payment and delivery integrations
Multi-store / multi-branch functionality
Optimize applications for Core Web Vitals, SEO, page speed, caching, and scalability.
Implement SEO-friendly ecommerce architectures using Next.js.
Work with dynamic and large product catalogs and understand strategies for handling high-volume ecommerce data.
Collaborate with backend developers to design efficient APIs and data flows.
Participate in code reviews and maintain high standards for code quality.
Identify and resolve performance, security, and usability issues.
Mentor junior developers and contribute to technical decisions and development standards.
Translate business requirements into technical solutions and development tasks.
Participate in technical discussions, sprint planning, estimation, and iterative product development.
Contribute to documentation, testing, CI/CD workflows, and engineering best practices.

Required Qualifications

Strong professional experience with React.js and Next.js.
Excellent knowledge of JavaScript / TypeScript and ES6+.
Strong understanding of modern React architecture and component design.
Experience with Next.js App Router and server-side rendering concepts.
Experience integrating REST APIs and/or GraphQL.
Strong understanding of state management, preferably Redux / Redux Toolkit.
Good understanding of responsive design and cross-browser compatibility.
Strong knowledge of web performance optimization.
Good understanding of technical SEO, particularly for ecommerce websites.
Experience with Git and modern software development workflows.
Experience with code reviews, testing, CI/CD, and production deployments.
Understanding of secure frontend development and common web security practices.
Ability to understand business requirements and convert them into scalable technical solutions.
Strong debugging and problem-solving skills.
Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.

Ecommerce Experience – Highly Preferred
Experience working on real-world ecommerce platforms will be highly valued.
Candidates with experience in one or more of the following will have an advantage:

Shopify / Shopify Plus

WooCommerce

Magento / Adobe Commerce

Headless ecommerce platforms
Custom-built ecommerce platforms
Ecommerce marketplaces
Multi-vendor ecommerce systems
B2B / B2C ecommerce
Omnichannel commerce

Experience with Shopify is especially valuable, including:

Shopify Storefront APIs
Shopify Admin APIs
Custom Shopify themes
Headless Shopify
Shopify app integrations
Product, variant, collection, and inventory management
Checkout and payment integrations
Shopify webhooks

Strongly Preferred Ecommerce Knowledge
The candidate should ideally understand how modern ecommerce systems work beyond just frontend development, including:

Product and category architecture
Product variants and attributes
Inventory and stock management
Pricing and discount systems
Cart and checkout flows
Payment gateways
Shipping and delivery integrations
Order lifecycle
Customer accounts
Search and filtering
Product recommendations
Analytics and conversion tracking
Google Merchant Center
Structured data / Schema.org
Ecommerce SEO
Google Search Console
Performance optimization for large catalogs

Technical Skills
Core

React.js
Next.js
JavaScript / TypeScript
HTML5 / CSS3
Redux / Redux Toolkit
REST / GraphQL
Git

Preferred

Shopify
Shopify APIs
WooCommerce
Magento
Headless Commerce
Tailwind CSS
Material UI
Apollo GraphQL
Node.js
AWS
CI/CD
Docker
Automated testing

Leadership & Collaboration
The candidate should be comfortable taking ownership of features and technical areas, reviewing code, mentoring junior developers, and participating in architectural and technical discussions.
Experience leading a small development team or taking ownership of production applications is an advantage.What We Value

Strong engineering fundamentals
Product and business understanding
Ownership and accountability
Clean and maintainable code
Performance-focused development
Attention to detail
Ability to solve complex problems
Continuous learning
Effective communication
Ability to work collaboratively in an on-site environment

Location
Kozhikode, Kerala, India
Employment Type: Full-time
Work Mode: On-siteExperience
3+ years of professional experience in React/Next.js development is preferred.
Candidates with strong hands-on ecommerce experience and proven production projects may also be considered based on their technical capability.

React & Nextjs Senior Developer