React Fullstack Engineer

July 23, 2026
Urgent

Job Description

Job Description (JD) – Remote React Fullstack Engineer
Job Title

Remote React Fullstack Engineer

Company

KYFEX

Employment Type

Contract (Long-Term)

Work Location

Remote (Work from Anywhere)

Industry

Artificial Intelligence (AI) Consulting / Software Development

About KYFEX

KYFEX is an AI consulting firm specializing in AI-powered platforms and modern web applications. The company delivers enterprise-grade digital transformation solutions by combining artificial intelligence, cloud technologies, and full-stack development expertise.

Job Summary

KYFEX is looking for an experienced Remote React Fullstack Engineer to design, develop, and maintain scalable, high-performance web applications. The ideal candidate will possess strong expertise in React.js, Next.js, TypeScript, Node.js, cloud technologies, and AI integrations while collaborating with cross-functional teams to build enterprise-grade applications.

Key Responsibilities
Frontend Development
Design and develop responsive, scalable web applications using React.js and Next.js.
Build reusable UI components and design systems.
Develop pixel-perfect, accessible, and responsive user interfaces from Figma or Sketch designs.
Implement Server-Side Rendering (SSR) and Static Site Generation (SSG).
Optimize frontend performance through lazy loading, code splitting, caching, and bundle optimization.
Backend Development
Develop RESTful APIs and GraphQL services using Node.js and Express or similar frameworks.
Design scalable backend services supporting enterprise applications.
Develop real-time applications using WebSockets or Server-Sent Events.
Build secure authentication and authorization systems using JWT and OAuth 2.0.
Database Development
Design database schemas.
Develop and optimize SQL and NoSQL databases.
Ensure data integrity, security, and performance.
Optimize database queries for scalability.
AI Integration
Integrate AI and Machine Learning services into web applications.
Work with OpenAI APIs, LangChain, and similar AI platforms.
Develop AI-powered user experiences and workflows.
Testing & Quality Assurance
Develop unit, integration, and end-to-end tests.
Maintain testing frameworks using:
Jest
React Testing Library
Cypress
Participate in code reviews and maintain coding standards.
DevOps & CI/CD
Maintain CI/CD pipelines.
Collaborate on deployment automation.
Monitor application performance and reliability.
Follow secure software development practices.
Required Qualifications
Bachelor’s degree in:
Computer Science
Software Engineering
Information Technology
Related technical discipline
Equivalent practical experience may also be considered.
Experience
4+ years of professional experience in Full Stack Web Development.
Strong production experience with React.js ecosystem.
Required Technical Skills
Frontend
React.js
Next.js
TypeScript
JavaScript (ES6+)
HTML5
CSS3
Tailwind CSS
Styled Components
Emotion
Redux
Zustand
MobX
Backend
Node.js
Express.js
Fastify
NestJS
REST APIs
GraphQL
Databases
PostgreSQL
MySQL
MongoDB
DynamoDB
Authentication & Security
JWT
OAuth 2.0
Web Security
OWASP Secure Coding Practices
Testing
Jest
React Testing Library
Cypress
Version Control
Git
Git-based collaborative workflows
Preferred Skills
AWS
Google Cloud Platform (GCP)
Microsoft Azure
Docker
Kubernetes
Serverless Architecture
Micro-frontends
Module Federation
WebAssembly
Stripe API
Auth0
SendGrid
Twilio
OpenAI API
LangChain
React Native
Web3
Blockchain
Sentry
LogRocket
Google Analytics
Mixpanel
Contentful
Strapi
Sanity CMS
JAMstack
WCAG Accessibility Standards
Soft Skills
Strong analytical and problem-solving abilities.
Excellent communication skills.
Ability to work independently in a remote environment.
Strong time management and organizational skills.
Client-facing communication skills.
Team collaboration and mentoring mindset.
High attention to detail.
Key Competencies
Full Stack Development
AI Application Development
Cloud-Native Development
Modern Web Architecture
Performance Optimization
API Development
Database Design
Secure Software Development
DevOps Practices
Software Testing
Agile Development
Benefits
Fully remote contractor role.
Opportunity to work on cutting-edge AI projects.
Exposure to enterprise-scale web applications.
Continuous learning and professional development.
Collaborative international engineering environment.
Work with modern AI technologies and enterprise clients.
How to Apply

Interested candidates should send the following:

Updated Resume
Cover Letter
Portfolio Links
GitHub Profile

Email: careers@kyfex.com

Subject: Remote React Fullstack Engineer Application

Location

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