Job Summary: Flutter mobile developer to create features, fix issues, and implement improvements while ensuring best practices and application security. Key Highlights: 1. Mobile development focused on Flutter 2. Collaborative work and technical facilitation 3. Focus on mobile application security Responsibilities: Meet business and technical requirements defined by the Product Owner, as well as acceptance criteria established by the QA team; Support and monitor application rollout from staging environments through final delivery and production usage; Ensure mobile application code adheres to best practices, conducting code reviews and security testing when necessary; Develop new features, fixes, and improvements for applications; Handle incident tickets and service requests; Contribute to knowledge sharing about mobile development within the team and company; Collaborate with project teams; Work closely with business analysts as a technical facilitator between internal developers and software factories; Provide technical support to project teams in implementing features required for initiative success. Preferred Qualifications (Non-eliminatory): Experience in mobile application security testing; Experience with code validation and vulnerability testing tools or platforms (e.g., SonarQube, Checkmarx); Knowledge of mobile malware reverse engineering and analysis; Knowledge of data security at rest and in transit within mobile applications; Knowledge of offline architecture techniques; Hard Skills: Bachelor’s degree completed in Systems Analysis and Development, Engineering, Computer Science, or related fields; Solid experience in mobile development for Android platforms, with focus on Flutter; Experience with agile methodologies such as Scrum and Kanban; Experience with code versioning tools such as GitHub; Knowledge of mobile application security; Knowledge of mobile application authentication and authorization mechanisms (e.g., OAuth, JWT); Knowledge of security practices for consuming RESTful APIs; Knowledge of offline models; Soft Skills: Strong communication and interpersonal skills; Teamwork and cross-functional collaboration; Organization and sense of responsibility; Proactivity and commitment to quality and security; Ability to act as a technical facilitator across teams. Employment Type: Freelance / PJ Contract Duration: 12 months Compensation: R$10.000,00 per month Benefits: * Remote work