Logo-of-Sigma-Software-Llc-hiring-for-jobs-in-Brasil-on-GrabJobs

Middle Frontend Developer

icon briefcase Tipo de Emprego : Periodo Integral

Número de Aplicantes

 : 

000+

Click to reveal the number of candidates who applied for this job.
icon loader
Aplique agora
icon loader Aplique agora

Let AI Supercharge Your Job Hunt!

JobCopilot scans 500,000+ company career sites daily to find jobs for you

Never miss an opportunity Save hours by auto-filling applications forms Land more interviews with tailored applications
happy man
thunder iconActivate JobCopilot

Descrição do Emprego - Middle Frontend Developer

Company Description

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.

CUSTOMER

Our 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.

PROJECT

The 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 Description

 

  • 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

Qualifications

  • 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

WILL BE A PLUS

  • Experience with Playwright or other automated testing frameworks
  • Familiarity with CI/CD pipelines and DevOps practices

 

    Additional Information

    PERSONAL PROFILE

    • Detail-oriented developer with a passion for creating seamless user experiences
    • Strong problem-solving skills and ability to work in a collaborative environment
    • Proactive in identifying performance improvements and UI enhancements

     

    Original job Middle Frontend Developer posted on GrabJobs ©. To flag any issues with this job please use the Report Job button on GrabJobs.
    Aplique agora
    Share Job
    Share Job

    Sobre a empresa

    Sigma Software Llc

    Are you ready to shape the future of financial technology with cutting-edge frontend solutions? Join Sigma Software as a Senior Frontend Engineer and work on mission‑critical systems that power global payment processing. This role offers the opportunity to collaborate with talented engineers, produc...

    Ler mais sobre a empresa

    Auto-Apply to Frontend Developer Jobs with your AI JobCopilot

    thunder icon Auto-Apply with AI

    Similar Frontend Developer Jobs in Brazil

    O GrabJobs é o portal de empregos número 1 em Brazil, conectando você rapidamente a milhares de empregos de ! Encontre os melhores empregos de em Brazil, candidate-se com apenas 1 clique e consiga um emprego hoje!

    Aplicativos de Celular

    Copyright © 2026 Grabjobs Pte.Ltd. All Rights Reserved.