Role – Senior Flutter Developer
Location - Poland

Project overview:

Our client is the fastest-growing global manufacturing company. An international corporation with over a hundred years of history, internationally recognized brands and Reduced-Risk Products.
Intellias’ mission is to support its strategy and efforts in the Digital and e-commerce space (e-commerce and other apps mobile apps, payment gateways, loyalty system, search engine, employee management, identity management, etc.).
A newly conceptualized Digital Eco System is comprised of a set of capabilities including an online shop & website, linking online & offline, customization & personalization, engagement & membership, digital product & services main differences

Key Responsibilities:

• End-to End Application Lifecycle Management (ALM): Takeeownership of the mobile application’s architecture, development, and maintanance across Android, PWA and iOS platforms. Enssuring the app remains stable, secure and performant trough proactive monitoring, technical update preparation and development of the required enhancements.
• Support, Troubleshooting and bug fixing: Provide timely and effective support by invesigating and resolving reported issues,
including production incidents, bug fixes, and performance bottlenecks. Collaborate with business teams, QA, backend and R&D to deliver high-quality, reliable solutions that enhance the user experience.
• Feature development and continuous improvement: Design, develop and implement new features and enhacements based on evolving business requirments. Mantain clean, modular and scalable code while adhering to the best mobile development practices, BLE communication and mobile security.
• Application Architecture and Development
• Application Lifecycle Management (ALM)
• Support, Troubleshooting, and Bug Resolution
• BLE Device Integration and Communication
• New Feature Development and Enhancement
• Performance Optimization and Quality Assurance
• Security and Compliance
• Collaboration and Cross-Functional Communication

Requirements:

 • 5+ years of professional experience in cross-platform mobile application development, with primary focus on Flutter and Dart
• Proven experience in the full Application Lifecycle Management (ALM) of mobile apps, including design, development, deployment, maintenance, and support in production environments.
• PWA Development: Experience with Flutter Web and optimizing for Progressive Web Apps  
• UX/UI Best Practices: Ability to refine and improve UI/UX following Material and Cupertino design guidelines. Using Figma or similar, design systems
• Hands-on experience with BLE (Bluetooth Low Energy) communication and device integration on both iOS and Android platforms is highly desirable. Expertise in Flutter Blue (or relevant BLE libraries), understanding of GATT, characteristics, and connection management
• Demonstrated expertise in troubleshooting, debugging, and resolving complex issues in mobile applications, including performance optimization and crash resolution.
• Experience working with CI/CD pipelines, version control (Git), and publishing apps to both the  Google Play Store and Apple AppStore.
• Familiarity with backend integrations (RESTful APIs, WebSockets, OAuth) and working in cloud environments, preferably with Azure.
• Previous involvement in global app rollouts and supporting mobile applications with a large, diverse user base is an advantage. 
• Fluent in English (written and spoken)
• Strong experience in API integrations with third-party services
• Familiar with age verification tools, consent management platforms, and integration of data privacy technologies (e.g., OneTrust, TrustArc).
• Proficient with data analytics tools to monitor and report on consumer lifecycle KPIs

contact – anastasiia.pyrih@intellias.com