Frontend Developer S nior - jobgether

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Frontend Developer Sênior based in Brazil.

We are looking for a Senior Frontend Developer to help build and evolve modern digital experiences within an innovative technology environment. The role focuses on developing scalable, high-performance interfaces for AI-powered platforms and complex business workflows. You will contribute to frontend architecture decisions, reusable component strategies, and seamless user journeys. Working closely with product, backend, and design teams, you will transform business needs into intuitive and efficient solutions. This position offers the opportunity to influence technical standards, improve user experiences, and contribute to the evolution of cutting-edge digital products. The ideal candidate is hands-on, technically driven, and passionate about creating reliable and impactful frontend solutions.

Accountabilities

The Senior Frontend Developer will be responsible for designing, developing, and continuously improving frontend solutions while ensuring scalability, performance, and a high-quality user experience.

• Develop and evolve the frontend layer of an AI-powered platform using modern web technologies.
• Build responsive, accessible, and visually consistent interfaces focused on usability and performance.
• Create complex visual workflows, interactive experiences, and process-driven user journeys.
• Structure and improve frontend architecture with strong practices around componentization, state management, and maintainability.
• Develop reusable components and scalable frontend structures using React.
• Implement complex flow-based interfaces using React Flow.
• Build modern applications using JavaScript and TypeScript.
• Integrate frontend solutions with REST APIs and backend services to ensure smooth user experiences.
• Collaborate closely with product, backend, and design teams to define integrations, workflows, and API contracts.
• Establish frontend coding standards, architectural patterns, and best practices.
• Ensure application quality through testing, performance optimization, accessibility improvements, and responsive design.
• Support frontend deployment processes, including build pipelines and continuous improvement initiatives.
• Contribute to the evolution of user experiences and the technical maturity of the platform.

Requirements

The ideal candidate has strong frontend development experience, a solid understanding of modern web architecture, and the ability to contribute both technically and strategically.

• Proven experience developing frontend applications with React.
• Strong knowledge of JavaScript and TypeScript.