Lead Flutter Engineer

Ciklum is looking for a Lead Flutter Engineer to join our team full-time in the Czech Republic.

We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live.

About the role:

As a Lead Flutter Engineer, become a part of a cross-functional development team engineering experiences of tomorrow working on a live mobile application that is already on the market and is now being migrated from Unity to Flutter. This is a technically interesting moment to join 2014 the project has a long runway, and if the migration goes well, the same approach will be rolled out across a wider application portfolio as part of a major long-term platform transformation. 

This is one of the most significant technical transformations in the client's history, with a product that will serve tens of millions of users over the next decade. It is the kind of project that looks good on a CV and feels good to work on.

You will not just be writing code. You will help define how the team works, set standards,make technical calls, and be the person others turn to when things get hard. The team culture is flat and collaborative, and the expectation is that leadership here looks more like coaching than managing.

Responsibilities:

• Lead day-to-day Flutter development for a live consumer mobile application on iOS and Android
• Drive the Unity-to-Flutter migration, owning the architectural decisions, platform strategy, and delivery oversight from a technical perspective
• Steer and align senior engineers on architecture, technical direction, and engineering standards across the team
• Set and maintain high standards across code quality, testing, CI/CD, and release practices
• Own the release process across platform stores (Google Play and App Store), including governance, versioning, and deployment workflows
• Ensure proper governance and compliance around parental and child- facing features, working closely with product and safety stakeholders
• Lead code reviews and drive technical discussions, setting the bar for what good looks like
• Act as the primary technical point of contact in cross-functional discussions with designers, QA, firmware engineers, and product teams
• Contribute to longer-term platform thinking, helping shape how mobile engineering scales across the broader portfolio

Requirements:

We know the perfect candidate rarely ticks every single box. If you feel strongly about the role, we would still love to hear from you.

• 7+ years of professional software engineering experience, with at least 3 years of hands-on Flutter and Dart production experience
• Deep understanding of Flutter architecture, widget lifecycle, and state management at scale (BLoC strongly preferred)
• Proven track record of making and communicating architectural decisions in a team setting
• Strong experience integrating mobile apps with REST APIs, handling auth flows (JWT, OAuth2), and building resilient, well-tested API layers
• Comfortable with Firebase services including Firestore, Authentication, Cloud Functions, and Push Notifications
• Experience with offline/online sync, caching strategies, and mobile performance optimisation
• Background in modernising or migrating legacy codebases while keeping things stable
• Solid understanding of CI/CD and release processes for mobile platforms

Desirable:

• Experience with Unity or other cross-platform frameworks
• Background in games, connected devices, or children's digital products
• Familiarity with Bluetooth peripherals, IoT, or BLE device communication
• Native iOS or Android development experience
• Comfortable presenting technical decisions to non-technical stakeholders

What’s in it for you?

• Flexible working hours
• Home office option
• 5 weeks of holiday
• 5 sick days
• Multisport Card
• Meal allowance
• Internal trainings including workshops and seminars
• Paid certifications and technical as well as soft-skills training
• Possibility to participate in international conferences
• Fresh fruit, coffee, and a weekly company breakfast in the office
• Loyalty bonus after 5, 10, 15 and more years with the company
• Referral bonus programme
• Corporate events including team building, outdoor activities, Christmas party, health week, summer ice cream, and more
• Hybrid and remote working options available across our Czech offices in Prague, Hradec Králové, and Zlín

About us:

At Ciklum, we are always exploring innovations, empowering each other to achieve more, and engineering solutions that matter. With us, you’ll work with cutting-edge technologies, contribute to impactful projects, and be part of a One Team culture that values collaboration and progress.

With delivery centers in Prague, Hradec Králové, and Zlín, our Czech team delivers end-to-end solutions across industries. Here, innovation thrives through collaboration, and every idea drives our partners' success.

Explore, empower, engineer with Ciklum!

Interested already? We would love to get to know you! Submit your application. We can’t wait to see you at Ciklum.

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