Mobile Front-End Developer – Mid-level

Jobtailor; São Paulo; Presencial; BRL 90 000 - 130 000; Tempo integral

Resumo da oferta

Jobtailor in São Paulo, Brazil, is seeking a mobile frontend engineer to build and maintain high-quality interfaces for native-like experiences on iOS and Android. You will collaborate with design, product, and ops teams to implement screens from prototypes and ensure robust API integration.

The role emphasizes performance, usability, and visual quality across devices including kiosk contexts, with opportunities to mentor juniors and influence frontend architecture.

Qualificações

• Experience in mobile front-end development.
• Hands-on with Flutter and Dart.
• Know-how in Kotlin for Android development.
• Ability to build usable, performant interfaces.
• Experience with API integration.
• Strong analytical and debugging skills.
• Organized with multiple tasks and deadlines.
• Attention to end-user experience, UI quality.
• Good communication with product, design, dev and ops.
• Collaborative attitude supporting team evolution.

Responsabilidades

• Develop and maintain mobile interfaces using Flutter and Kotlin.
• Design reusable front-end components.
• Implement screens based on Design prototypes.
• Integrate mobile apps with internal APIs and services.
• Optimize performance for smooth UX across devices.
• Ensure compatibility for kiosk and totem contexts.
• Test, debug and resolve issues in software.
• Participate in code reviews and planning meetings.
• Support code quality and development standards.
• Mentor junior developers and share best practices.

Conhecimentos

Mobile frontend

Problem solving

Team collaboration

Usability focus

Attention to detail

Communication

Task management

End-user experience

Ferramentas

Flutter

Dart

Kotlin

Android APIs

Descrição da oferta de emprego

Responsibilities

• Develop and maintain mobile interfaces using Flutter and Kotlin.
• Design and implement reusable front‑end components.
• Implement screens and user flows based on prototypes provided by the Design team.
• Integrate mobile applications with internal APIs and services.
• Optimize interface performance, ensuring smoothness, responsiveness, and a high‑quality user experience.
• Ensure application compatibility across different devices and usage contexts, including kiosk and totem solutions.
• Perform testing, debugging and issue resolution in the software.
• Participate in code reviews, planning meetings and technical alignments.
• Support continuous improvement of code, front‑end architecture and development standards.
• Collaborate with junior developers, providing guidance on technical questions and best‑practice in day‑to‑day work.

Requirements

• Previous experience in mobile front‑end development.
• Hands‑on knowledge of Flutter and Dart.
• Knowledge of Kotlin for Android development.
• Ability to create interfaces focused on usability, performance and visual quality.
• Experience with API integration.
• Strong problem‑solving skills, technical analysis and code debugging abilities.
• Organized to manage multiple tasks, deadlines and priorities.
• Attention to detail and concern for the end‑user experience.
• Good communication skills to work closely with Product, Design, Development and Operations.
• Collaborative attitude to support the team and contribute to the evolution of solutions.