Sigma Software Group logo
Sigma Software Group

We support enterprises, product houses, and startups with custom software solutions development and IT consulting.

Frontend Developer

Frontend EngineerSoftware EngineerFull TimeRemoteMid LevelTeam 1,001-5,000Since 2002H1B No SponsorCompany SiteLinkedIn

Location

Brazil

Posted

87 days ago

Salary

0

Seniority

Mid Level

Bachelor Degree2 yrs expEnglishApolloGraphQLJavaScriptReactRedux

Job Description

Frontend Developer

Sigma Software Group

• 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

Job 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

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