Middle Frontend Developer (React.js, GraphQL) at Sigma Software | Torre
Middle Frontend Developer (React.js, GraphQL)
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Sigma Software

Middle Frontend Developer (React.js, GraphQL)

Sigma Software
Emma
Emma
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Full-time

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Remote (for Brazil residents)
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Emma of Torre.ai
 about 1 month ago

Responsibilities

Do you enjoy building sleek, high-performance web applications? We are looking for a Middle Frontend Developer to join our Front-end Development Team. This is a full-time remote opportunity based in Brasília, Federal District, Brazil, with flexibility to work from anywhere.At Sigma Software, we partner with global innovators to deliver cutting-edge solutions across industries. In this role, you will work on modern web applications using React.js and GraphQL, collaborating with talented designers, backend developers, and QA engineers to create seamless user experiences.Why join us? You’ll benefit from remote work flexibility, professional growth opportunities, and the chance to work on international projects with a supportive, skilled team.CUSTOMEROur customer is a technology-driven organization delivering modern web solutions to global clients. They focus on creating scalable, high-performance applications with intuitive user interfaces, leveraging cutting-edge frameworks and tools. Their teams work across diverse industries, ensuring each product meets the highest standards of usability, performance, and security.PROJECTThe project involves developing and maintaining advanced web applications using React.js and GraphQL. The goal is to deliver seamless, responsive, and user-friendly experiences for end users while ensuring scalability and performance. You will collaborate closely with backend developers, designers, and QA engineers to build robust solutions.Job DescriptionDevelop and maintain web applications using React.js and GraphQLCollaborate with designers and backend developers to build scalable, high-performance applicationsWrite clean, maintainable, and efficient code following best practicesImplement responsive and user-friendly UI componentsOptimize applications for performance and scalabilityDebug and troubleshoot issues across multiple browsers and devicesParticipate in code reviews and contribute to team knowledge-sharing(Optional) Write and maintain end-to-end tests using PlaywrightQualifications2+ years of experience in front-end development with React.jsStrong understanding of JavaScript (ES6+), HTML5, and CSS3Hands-on experience with GraphQL (Apollo Client or similar)Familiarity with React Hooks, Context API, Redux (optional)Experience with RESTful APIs and third-party integrationsUnderstanding of component-based architecture and state managementKnowledge of performance optimization and debugging techniquesUpper-Intermediate English levelBachelor’s degree in Computer Science or related fieldWILL BE A PLUSExperience with Playwright or other automated testing frameworksFamiliarity with CI/CD pipelines and DevOps practicesAdditional InformationPERSONAL PROFILEDetail-oriented developer with a passion for creating seamless user experiencesStrong problem-solving skills and ability to work in a collaborative environmentProactive in identifying performance improvements and UI enhancements
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