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Role Description This is a full-time on-site role for a Mobile App Developer specializing in React Native, Nest JS, and AI-focused technologies, based in Doha, Qatar. The Mobile App Developer will be responsible for developing, testing, and maintaining mobile applications with a focus on seamless performance and user experience. The role includes integrating AI features, collaborating with cross-functional teams, optimizing app efficiency, and ensuring compatibility across different devices and platforms.
Qualifications Proficiency in Software Development and Programming, including experience in React Native and Java Script frameworks. Strong understanding and experience working with Databases, including design and optimization. Proficiency in Cascading Style Sheets (CSS) for designing user interfaces. Experience in API Integration and working with RESTful services. Ability to learn and integrate AI technologies into mobile apps. Excellent problem-solving skills and attention to detail. Bachelor's degree in Computer Science, Software Engineering, or a related field. Experience with Nest JS and knowledge of mobile app deployment processes is a plus. As a Senior Full-Stack Developer, you will play a critical role in developing, maintaining, and scaling Lumi’s mobile and backend systems. You will work on both React Native mobile applications and Nest JS-based backend services, contribute to architectural decisions, and ensure high performance, security, and scalability. This role requires hands-on expertise, strong problem-solving skills, and experience working with real-world production systems. Key Responsibilities Frontend / Mobile Development Develop, enhance, and maintain React Native mobile applications (Android & i OS). Improve UI/UX performance, responsiveness, and stability. Fix bugs, optimize existing features, and implement new functionality. Integrate APIs and third-party services efficiently. Ensure smooth app deployment to App Store & Play Store. Backend Development Design, develop, and maintain backend services using Nest JS (Node.js). Build and manage RESTful APIs for mobile and web platforms. Optimize backend performance, security, and scalability. Work with authentication, authorization, and role-based access control. Integrate real-time services and background jobs where needed. AI & Smart Features Collaborate on AI-driven features such as automation, recommendations, and intelligent workflows. Work with AI APIs, data pipelines, and AI-based decision systems. Support integration of AI modules into mobile and backend systems. Dev Ops & Infrastructure Work with CI/CD pipelines for automated build, test, and deployment. Experience with Azure Cloud (App Services, Storage, Databases, Functions, etc.). Manage environments (Development, UAT, Production). Ensure system reliability, monitoring, and performance optimization. Code Quality & Collaboration Maintain clean, scalable, and well-documented code. Use Git Hub for version control, pull requests, and code reviews. Collaborate with product managers, designers, and QA teams. Participate in technical planning, estimations, and architecture discussions. Required Skills & Experience Must-Have Skills4+ years of experience in mobile and full-stack development. Strong expertise in React Native. Strong experience with Nest JS and Node.js. Excellent knowledge of Java Script / Type Script. Experience building and consuming RESTful APIs. Solid understanding of Git / Git Hub workflows. Experience with CI/CD pipelines. Hands-on experience with cloud hosting (Azure preferred). Strong debugging, optimization, and problem-solving skills. Experience maintaining and improving existing production apps. AI & Advanced Skills (Highly Preferred) Experience working with AI-powered features or APIs. Understanding of AI workflows, data processing, or ML integration. Experience integrating AI into mobile or backend systems.