Flutter engineer

Rullion; City Of London; Hybrid; GBP 70,000 - 105,000; Full time

Job summary

Rullion in London is seeking an experienced Senior Flutter Engineer to join a fast-paced development team delivering high-quality mobile applications.

You will design, develop, and maintain cross-platform apps using Flutter and Dart, contribute to architecture decisions, and mentor others in Agile environments. The contract starts as six months with extension potential, hybrid role with one day per week in London, and a 37-hour workweek.

Qualifications

• Extensive experience developing mobile apps with Flutter and Dart.
• Strong understanding of mobile architecture and design patterns.
• Experience integrating APIs and cloud services.
• Proven track record delivering production-ready apps.
• Knowledge of state management solutions.
• Experience with Git, CI/CD pipelines, and automated testing.
• Strong problem-solving and stakeholder engagement skills.
• Mentoring developers and leading technical initiatives.
• Knowledge of native Android (Kotlin) or iOS (Swift).
• Experience in Agile delivery teams.

Responsibilities

• Design, develop, and maintain scalable Flutter applications for iOS and Android.
• Collaborate with Product Managers, UX/UI Designers, and Backend Engineers to deliver features.
• Write clean, maintainable, and well-tested code.
• Lead technical discussions and provide guidance to other developers.
• Optimise application performance, reliability, and security.
• Participate in code reviews and champion engineering best practices.
• Integrate RESTful APIs and third-party services.
• Support CI/CD pipelines and automated testing processes.
• Opportunity to work on innovative mobile products.
• Collaborative and highly skilled engineering team.

Skills

Flutter

Dart

Mobile architecture

API integration

CI/CD

Git

Agile delivery

Kotlin/Swift

Leadership

Tools

Android Studio

Xcode

Job description

London Farringdon office address: 47-53 Charterhouse St, London, EC1M 6PB

Join a dynamic energy provider dedicated to sustainable solutions in the UK. We are seeking an experienced Senior Flutter Engineer to join a fast-paced development team delivering high-quality mobile applications. You will play a key role in designing, developing, and maintaining cross-platform applications using Flutter, while contributing to architecture decisions, code quality, and engineering best practices.

Initially it will be a six-month contract but there is potential for it to be extended. The role is Hybrid, with one day a week being based in London. It is a full-time role, 37 hours per week.

Accountabilities:

• Design, develop, and maintain scalable Flutter applications for iOS and Android.
• Collaborate with Product Managers, UX/UI Designers, and Backend Engineers to deliver new features.
• Write clean, maintainable, and well-tested code.
• Lead technical discussions and provide guidance to other developers.
• Optimise application performance, reliability, and security.
• Participate in code reviews and champion engineering best practices.
• Integrate RESTful APIs and third-party services.
• Support CI/CD pipelines and automated testing processes.
• Opportunity to work on innovative mobile products.
• Collaborative and highly skilled engineering team.

Knowledge and Skills:

• Extensive commercial experience developing mobile applications with Flutter and Dart.
• Strong understanding of mobile application architecture and design patterns.
• Experience integrating APIs and working with cloud-based services.
• Proven track record of delivering production-ready applications.
• Knowledge of state management solutions.
• Experience with Git, CI/CD pipelines, and automated testing.
• Strong problem-solving and stakeholder engagement skills.
• Experience mentoring developers and leading technical initiatives.
• Knowledge of native Android (Kotlin) or iOS (Swift) development.
• Previous experience working within Agile delivery teams.

Please note:

Should your application be successful, and you are offered the role, a number of pre-employment checks need to be carried out before your appointment can be confirmed. Any assignment offer with our client will be subject to a satisfactory checking report from the Disclosure Barring Service.

We celebrate and support diversity and are committed to ensuring equal opportunities for both employees and applicants.