Sigma Software Group

Frontend Developer

Sigma Software Group

full-time

Posted on:

Location Type: Remote

Location: Brazil

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Tech Stack

ApolloGraphQLJavaScriptReactRedux

About the role

  • Develop and maintain web applications using React.js and GraphQL
  • Collaborate with designers and backend developers to build scalable, high-performance applications
  • Write clean, maintainable, and efficient code following best practices
  • Implement responsive and user-friendly UI components
  • Optimize applications for performance and scalability
  • Debug and troubleshoot issues across multiple browsers and devices
  • Participate in code reviews and contribute to team knowledge-sharing
  • (Optional) Write and maintain end-to-end tests using Playwright

Requirements

  • 2+ years of experience in front-end development with React.js
  • Strong understanding of JavaScript (ES6+), HTML5, and CSS3
  • Hands-on experience with GraphQL (Apollo Client or similar)
  • Familiarity with React Hooks, Context API, Redux (optional)
  • Experience with RESTful APIs and third-party integrations
  • Understanding of component-based architecture and state management
  • Knowledge of performance optimization and debugging techniques
  • Upper-Intermediate English level
  • Bachelor’s degree in Computer Science or related field
Benefits
  • Remote work flexibility
  • Professional growth opportunities
  • Chance to work on international projects
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
React.jsGraphQLJavaScriptHTML5CSS3RESTful APIsPerformance optimizationDebugging techniquesComponent-based architectureState management
Soft Skills
CollaborationKnowledge-sharingProblem-solvingCommunication
Certifications
Bachelor’s degree in Computer Science