Javascript Developer - React.JS, MongoDB, GraphQL and Redis

Job Title: Frontend Developer - React.JS strong

Location: Hartford, CT (Hybrid – 3 days) – Only locals

Employment Type: Contract

About Smart IT Frame:

At Smart IT Frame, we connect top talent with leading organizations across the USA. With over a decade of staffing excellence, we specialize in IT, healthcare, and professional roles, empowering both clients and candidates to grow together.

Required Skills and Experience

• 3-5 years of professional frontend development experience building production web applications Exposure to web analytics implementations
• Strong proficiency in React including Hooks Context API and component lifecycle with practical production experience
• Working knowledge of Angular including components services RxJS and dependency injection
• Solid TypeScript and JavaScript ES6 skills with understanding of modern language features and type safety
• Experience with state management libraries Redux Zustand or React Context
• Handson experience with data fetching libraries React Query SWR Axios or Apollo Client for GraphQL integration
• Proficiency with React Router for clientside routing and navigation
• Experience implementing data visualization using AgGrid Community Edition Recharts Chartjs or D3js
• Exposure to Nextjs for SSRSSG implementations and understanding of rendering strategies
• Working knowledge of modern CSS including CSSinJS CSS modules Tailwind CSS or SCSS
• Familiarity with build tools and bundlers Webpack Vite or similar toolchains
• Understanding of Nodejs for building simple BFF services or middleware components
• Experience with realtime communication using WebSockets or Socketio
• Knowledge of web accessibility standards WCAG 21 including semantic HTML ARIA attributes and keyboard navigation
• Understanding of frontend security best practices including XSS prevention CSRF protection and secure authentication patterns
• Familiarity with OAuth2OIDC authentication flows and JWT token handling
• Experience with testing frameworks Jest React Testing Library Cypress or Playwright
• Proficiency with Git version control and collaborative development workflows
• Understanding of responsive design mobilefirst development and crossbrowser compatibility

Technical Stack

• Frameworks React 18 Angular 12 Nextjs 13

Mandatory Skills: HTML/HTML5,React,TypeScript,BootStrap/CSS/CSS3,Express,Jest,MongoDB,Redis,SASS,Tailwind CSS,GraphQL,Dynamo DB