Flutter Developer – Remote

About the role

We are looking for a skilled Flutter Developer to join eSIMCard’s remote team. You will build and maintain cross‑platform mobile applications that interface with our Cronus connectivity platform, delivering reliable eSIM management tools to customers worldwide.

Key responsibilities

• Design and implement responsive UI components in Flutter using modern state‑management solutions.
• Integrate RESTful APIs and third‑party SDKs, handling authentication and JSON data.
• Write clean, maintainable code, conduct code reviews, and resolve bugs efficiently.
• Optimize app performance on both Android and iOS devices.
• Document features, follow best practices, and participate in agile ceremonies such as stand‑ups and sprint planning.
• Collaborate closely with product, design, and backend teams to translate business requirements into technical solutions.

Required profile

• Proven experience building production‑grade Flutter applications with Dart.
• Solid understanding of mobile development fundamentals and familiarity with native Android (Kotlin/Java) or iOS (Swift/Objective‑C) platforms.
• Experience working in remote, cross‑functional teams and comfortable with agile methodologies.
• Degree in Computer Science or equivalent practical experience.

Required skills

• Flutter, Dart
• State‑management libraries (Provider, Bloc, Riverpod)
• Kotlin, Java, Swift, Objective‑C
• RESTful API integration, JSON handling, secure authentication
• Git version control
• Unit and integration testing, CI/CD pipelines
• Clean architecture, modular design patterns
• Cloud services (AWS, Azure, GCP) – optional