# Join City Service as a Freelance Remote Flutter Developer (iOS & Android)
In today’s rapidly evolving digital landscape, robust physical security must seamlessly align with modern technological innovation. As one of the premier security networks in Indonesia, City Service is expanding its digital infrastructure to further elevate risk management standards across major business hubs. To support this growth, we are inviting talented and motivated software professionals to join our dynamic team and help build cutting-edge digital solutions from anywhere in the world.
## About City Service
City Service stands as a pioneering leader in risk management and integrated physical security solutions across Indonesia. Operating in more than 30 strategically vital areas within the greater Jakarta region (JABODETABEK), our operational framework rests firmly upon three core pillars:
* Security: Safeguarding valuable corporate and municipal assets through proactive risk assessment and comprehensive monitoring.
* Service: Delivering client-focused solutions through transparent communication, professionalism, and reliable operational execution.
* Safety: Prioritizing full regulatory compliance, personal protection, and sustainable workplace environments.
To continuously enhance our service delivery in high-density commercial centers, we are advancing our digital ecosystems, creating high-impact mobile applications designed to streamline both field operations and administrative workflows.
## Role Overview: Freelance Mobile Application Developer (Remote)
We are seeking an experienced and self-driven Freelance Mobile Developer specializing in cross-platform development using the Flutter framework. In this flexible, fully remote position, you will play a key role in architecting, developing, and maintaining high-performance iOS and Android applications.
If you thrive on professional autonomy, enjoy solving complex technical challenges, and want to create software that directly impacts real-world safety operations, this opportunity offers the perfect environment for your expertise.
## Key Responsibilities
As a Mobile App Developer at City Service, your daily focus will encompass full-lifecycle application development, interface design implementation, and technical collaboration:
1. Cross-Platform Application Development: Design, build, and maintain seamless mobile applications for iOS and Android platforms utilizing Dart and the Flutter framework.
2. User Interface & Experience (UI/UX) Execution: Translate design prototypes into clean, responsive, and intuitive mobile interfaces that optimize user engagement and accessibility.
3. Backend & API Integration: Connect front-end application layers with backend services through robust API integration methods, including Fetch API and HTTP requests.
4. Cross-Functional Collaboration: Partner closely with product management and operations teams to translate complex business requirements into elegant, scalable technical solutions.
5. Quality Assurance & Performance Optimization: Conduct thorough code testing, troubleshoot and debug application issues, and optimize code bases for maximum speed, security, and scalability.
6. Technical Documentation: Maintain clear codebases, document system architectures, and ensure seamless code maintainability for future development cycles.
7. Continuous Learning & Improvement: Stay up-to-date with emerging mobile development trends, framework updates, and industry best practices to drive personal and project growth.
## Qualifications and Requirements
To succeed in this position, candidates should demonstrate a strong blend of technical expertise, creative problem-solving skills, and remote work discipline:
* Technical Experience: A minimum of one year of hands-on software development experience specializing in Dart and the Flutter framework.
* UI/UX Competency: Solid understanding of modern user interface design principles and the ability to faithfully render responsive layouts across various screen sizes.
* Data Fetching & API Proficiency: Demonstrated experience working with RESTful APIs, JSON data structures, and standard HTTP communication protocols.
* Remote Work Discipline: Strong self-management capabilities, clear time management, and the ability to consistently deliver results with minimal supervision.
* Communication & Collaboration: Excellent written and verbal communication skills tailored for asynchronous team environments, along with experience using developer tools such as Git, Slack, and project management applications.
* Portfolio (Highly Preferred): A verifiable portfolio of mobile applications previously developed and deployed using Flutter for either Android or iOS platforms.
## Drive Real-World Impact Through Technical Excellence
This remote opportunity combines the independence of freelance work with the opportunity to shape digital systems for an industry-leading security organization. If you possess the required technical skills and are eager to construct mobile applications that support real-world safety and risk management, submit your project portfolio and professional resume today to start the conversation.