Frontend Fullstack | Flutter

Description

**About the opportunity** We are looking for a **Senior Frontend Fullstack Developer**, with solid experience in **Flutter**, to develop Web and Mobile applications in a constantly evolving technological environment. We seek a professional with strong technical skills, a collaborative mindset, and autonomy to lead end-to-end deliveries, contributing to technical decisions and the continuous evolution of solutions. **Responsibilities and duties** **Technical Context** * Develop Web and Mobile applications using Flutter. * Work in an environment focused on quality, scalability, and user experience. * Integrate frontend with backend services. * Actively participate in the technical evolution of products. * Collaborate with multidisciplinary teams. **Tech Stack \& Technologies** **Frontend** * Flutter * Dart * Mobile Development (Android and iOS) * Web Development * Consuming REST APIs * Git **Desired knowledge** * React, Angular or Vue.js * Experience with backend integrations * Firebase * CI/CD * Cloud (AWS, Azure or GCP) **Responsibilities** * Develop and evolve Web and Mobile applications using Flutter. * Build modern, responsive, and high-performance interfaces. * Integrate applications with APIs and backend services. * Participate in defining technical solutions and application architecture. * Ensure code quality, performance, and adherence to development best practices. * Work autonomously to drive deliveries—from requirement understanding through implementation. **Requirements and qualifications** **Requirements** * Solid production experience with Flutter. * Experience developing Mobile applications for Android and iOS. * Experience developing Frontend for Web applications. * Knowledge of consuming and integrating REST APIs. * Familiarity with version control using Git. * Good understanding of application architecture and development best practices. * Ability to work autonomously, stay organized, and prioritize effectively. **Nice-to-have** * Experience with React, Angular or Vue.js. * Knowledge of Fullstack development. * Experience with Firebase. * Exposure to cloud environments. * Knowledge of CI/CD pipelines. * Participation in architectural decisions and definition of technical standards. **Additional information** **Why this position is different** * Work on Web and Mobile projects using Flutter. * Opportunity to contribute technically and influence decisions. * Collaborative environment with meaningful technical challenges. * Autonomy to drive deliveries and propose improvements. **Why Sciensa?** * An environment balancing autonomy and collaboration. * Real and relevant technical challenges. * Room for professional growth and technical influence. * Close alignment with business objectives, delivering direct impact through developed solutions. **Important:** Engagement model: PJ (Hourly rate). Working hours: 8 hours per day. Work model: 100% Remote. Equipment: Provided by Sciensa, as required by the team/project. **Sciensa** is a leading InfraTech company in Brazil, specializing in digital infrastructure for the financial sector. We deliver solutions across APIs \& integrations, Cloud, Data \& AI, Cybersecurity, and Custom Platforms. For over 15 years, we have delivered innovation, robustness, and efficiency to clients requiring secure, scalable, and high-performance operations. #### **Our purpose \& culture** **Why we exist:** To ensure financial institutions can grow with reliable, secure, and innovative technology. **How we do it:** Through collaborative teams, autonomy, continuous learning, and focus on tangible results. **Values guiding our daily work:** Innovation, Technical Excellence, Security, Protagonism, Transparency. #### **Our values and differentiators** **Technical excellence and security** across every layer of the digital ecosystem. **Continuous innovation:** We consistently adopt best practices, emerging technologies, and proactively respond to market needs. **Focus on impact:** For us, delivering a system is not enough—we aim for it to generate value, efficiency, scalability, and trust. **Collaboration and protagonism:** We value autonomous teams where each professional meaningfully contributes to decisions, company growth, and client success. #### **What it means to work here** **High-impact projects:** You’ll work on solutions affecting millions of users, critical systems, data governance, and security. **Recognition and autonomy:** You take ownership, participate in technical decisions, and see your contributions deliver real value to clients and the company. **Diverse and collaborative team:** People from diverse backgrounds, knowledge sharing, team spirit, and appreciation for those who share, innovate, and grow.