Mid-Level Frontend React Engineer

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Mid-Level Frontend React Engineer in Brazil.

This role offers the opportunity to contribute to the development and evolution of modern, high-traffic web applications within a collaborative and engineering-driven environment. You will work closely with cross-functional teams to build, maintain, and optimize scalable frontend solutions using React and modern JavaScript ecosystems. The position combines hands-on feature development with ongoing platform improvement, bug fixing, and performance optimization. You will be involved in shaping user-facing experiences across multiple web products while ensuring high standards of code quality and usability. The environment values autonomy, continuous learning, and technical excellence. This is a great opportunity for engineers who enjoy solving complex frontend challenges and contributing ideas that directly improve product quality and user experience.

Accountabilities

You will be responsible for developing, maintaining, and improving web applications based on technical and functional requirements, ensuring high-quality and performant user interfaces across multiple products. You will collaborate closely with engineering and product teams to deliver scalable solutions while maintaining clean and maintainable code standards.

• Build and implement web applications and pages using React.js based on technical specifications
• Maintain and enhance existing websites, including bug fixes and feature updates
• Ensure cross-browser compatibility and responsive design across devices
• Work with Git-based version control systems (e.g., GitLab) for code management and deployments
• Participate in daily stand-ups, sprint planning, and regular team meetings
• Test, debug, and optimize frontend applications to ensure performance and usability
• Contribute ideas and improvements to enhance application architecture and user experience

Requirements

You bring solid experience as a frontend engineer with strong expertise in React.js and modern JavaScript development. You are comfortable working in agile environments, collaborating with distributed teams, and delivering high-quality, production-ready code. You have a strong understanding of frontend architecture, performance optimization, and scalable application design.

• 5+ years of experience in frontend web development
• Strong proficiency in React.js and modern JavaScript (ES6+)
• Deep knowledge of HTML5, CSS3, and frontend best practices
• Experience with state management tools (Redux, Flux, or similar)
• Solid understanding of RESTful APIs and data integration
• Experience with Git and collaborative development workflows
• Familiarity with frontend build tools (e.g., Webpack)
• Strong problem-solving and analytical skills
• Experience working in Agile/Scrum environments
• Strong English communication skills (written and spoken)

Benefits

• Competitive compensation package (based on experience)
• Fully remote work with flexibility (Brazil-based only)
• Opportunity to work on international, high-impact web products
• Continuous learning, mentoring, and professional development
• Agile and collaborative engineering culture
• Exposure to multiple projects and modern frontend technologies
• Travel opportunities depending on project needs

How Jobgether works: We use an AI-powered matching process to ensure your application is reviewed quickly, objectively, and fairly against the role's core requirements. Our system identifies the top-fitting candidates, and this shortlist is then shared directly with the hiring company. The final decision and next steps (interviews, assessments) are managed by their internal team. We appreciate your interest and wish you the best!  Why Apply Through Jobgether?    Data Privacy Notice: By submitting your application, you acknowledge that Jobgether will process your personal data to evaluate your candidacy and share relevant information with the hiring employer. This processing is based on legitimate interest and pre-contractual measures under applicable data protection laws (including GDPR). You may exercise your rights (access, rectification, erasure, objection) at any time.     #LI-CL1