XTN-74F3605 | FLUTTER DEVELOPER

At Arch, we deliver bespoke software solutions that help organisations solve complex problems through technology. With a focus on quality, performance, and security, our team builds custom web applications for clients across multiple industries, from startups to enterprise-level businesses. We’re a growing UK-based digital agency with a strong engineering culture and a commitment to clean, maintainable code. As part of our continued expansion, we’re looking to bring an experienced offshore Flutter Developer into our team to help us deliver world-class web applications for our clients. HMO on Day 1 plus 2 free dependents Group Life Insurance Fixed weekends off Why Join Arch? Work directly with an experienced and collaborative UK development team. Deliver meaningful, high-quality software for a wide range of clients. Gain exposure to modern technologies, frameworks, and tooling. Be part of a forward-thinking agency that values craftsmanship, autonomy, and innovation. You’ll play an important role in delivering high-quality digital experiences for our clients across industries The Role This is a remote, full-time position for an experienced Flutter Developer who will work closely with our UK engineering and project delivery teams. You’ll be responsible for developing, maintaining, and improving Flutter-based applications, ensuring best practices in performance, scalability, and security. The ideal candidate will be proactive, organised, and confident communicating with both technical and non-technical stakeholders. Key Responsibilities Application Development Build and maintain production-ready Flutter applications for iOS, Android, and Web. Implement clean, testable, and maintainable code using the Bloc pattern and other state-management approaches where appropriate. Integrate applications with RESTful APIs and authentication services (OAuth, JWT, etc.). Design UI components that adapt gracefully across different screen sizes, resolutions, and device orientations. Write unit, widget, and integration tests to ensure reliability and stability. State Management & Architecture Use Bloc (and related libraries) to manage complex state in a predictable, scalable way. Structure projects using clean architecture principles, separation of concerns, layered organisation, and reusable components. Contribute to technical decisions around architecture, performance optimisation, and lifecycle management. Build & Release Process Configure build pipelines for iOS and Android, including signing, environment variables, and flavor-based builds. Work with CI/CD pipelines to automate builds, testing, and deployments. Diagnose and resolve build issues across environments (local, staging, production). Security & Authentication Implement secure authentication flows. Follow OWASP Mobile and API security best practices to protect user data. Ensure sensitive data is handled safely (e.g., avoiding hard-coded secrets, secure storage, HTTPS enforcement). Collaboration & Delivery Work directly with our UK-based development and project management teams. Participate in sprint planning, stand-ups, code reviews, and retrospectives. Produce clear technical documentation and communicate progress proactively. Environment & Tools Git for version control, following standard branching workflows. Docker or containerised environments where applicable. Jira, Slack, and other collaboration tools used across the team. Technical Knowledge Minimum 3 years’ experience building Flutter applications in production. Strong understanding of Dart, Flutter widgets, and rendering lifecycle. Hands-on experience with Bloc (or Riverpod/Provider with willingness to adopt Bloc). Solid understanding of state management patterns and when to use each. Experience integrating REST APIs, handling errors, and offline behaviour. Familiarity with CI/CD pipelines for mobile builds. Knowledge of secure coding principles and OWASP-style security awareness. Experience publishing to App Store / Google Play. Soft Skills Fluent in English with strong written and verbal communication skills. Comfortable working remotely with a UK-based team. Well organised and capable of managing your own time effectively. Able to set, communicate, and meet deadlines. Personal Attributes Reliable, detail-oriented, and self-motivated. Passionate about writing clean, secure, and maintainable code. A team player who takes ownership of their work. Curious and eager to learn new technologies and approaches.