Sigma Software is looking for a Middle Frontend Developer to build sleek, high-performance web applications for global clients. In this role, you will collaborate with designers, backend developers, and QA engineers to create seamless user experiences.
What You'll Do
- 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.
- Write and maintain end-to-end tests using Playwright.
What We're Looking For
- 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, and Redux.
- 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 a related field.
Nice to Have
- Experience with Playwright or other automated testing frameworks.
- Familiarity with CI/CD pipelines and DevOps practices.
Technical Stack
- React.js, GraphQL, JavaScript (ES6+), HTML5, CSS3
- Apollo Client, React Hooks, Context API, Redux
- RESTful APIs, Playwright
Team & Environment
You will join the Front-end Development Team, a supportive and skilled group focused on delivering quality applications.
Benefits & Compensation
- Remote work flexibility.
- Professional growth opportunities.
- Chance to work on international projects.
- Supportive, skilled team.
Work Mode
This position is local-country, based in Brasília, Federal District, Brazil.
Sigma Software is an equal opportunity employer.
