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Middle/Senior React Native Developer at Sigma Software. Location Information: Poland. Company Description. Our team is growing, and we are looking for a Middle/Senior React Native Developer. This position is crucial within the team, and we expect the successful candidate to make a significant contribution to the product.. We are seeking a Developer with a "start-up" mindset, someone unafraid to solve difficult tasks and invent new decisions. If this sounds like you, we’d love to hear from you! Together, we can create something truly amazing!. CUSTOMER. Our Customer is a product company specializing in software and hardware engineering, transforming user experience through accessible, affordable, and immersive technology. Their areas of expertise include SDK development, intelligent platforms, feature integrations, auto-tracking with human and animal detection, augmentation, and advanced processing.. PROJECT. The Customer develops next-generation mobile solutions that seamlessly integrate hardware and software to deliver automated user experiences. Their product combines cutting-edge technologies such as SDK development, intelligent platforms, auto-tracking (human and animal detection), augmented reality, and advanced processing to shape the future of interaction.. The project’s mission is to recognize and meet the diverse needs of consumers, allowing everyone to capture, share, and connect real-world experiences in the most accessible, affordable, and engaging way.. Their vision is to transform the way the physical world interacts with the digital world. Human interaction is evolving rapidly, and we aim to make communication and creativity effortless — no longer limited by technology.. Job Description. Develop and maintain advanced mobile applications using React Native. Collaborate with cross-functional teams to integrate SDKs, APIs, and hardware components. Work on features involving Bluetooth connectivity, GPS, and video processing and editing. Ensure high performance, reliability, and responsiveness of applications. Write clean, maintainable code with unit tests and follow best practices in OOP and OOD. Contribute to product innovation by exploring and adopting new technologies. Qualifications. At least 4 years of commercial software development experience. At least 3 years of hands-on experience with React Native. Solid understanding of OOP and OOD principles. Experience with relational and non-relational databases. Strong knowledge of SDK and API integrations. Practical experience with Bluetooth devices and GPS functionality. Familiarity with Back-end technologies (Node.js, Python, or similar). Ability to learn quickly and adapt to new technologies. At least an Upper-Intermediate level of English. WOULD BE A PLUS:. Background in video processing and editing. Additional Information. PERSONAL PROFILE. Attention to detail. Strong teamwork and communication skills