Lead Mobile Developer - Transformative Digital Solutions

About the Role

We are seeking a Lead Mobile Developer to join our team at hackajob, collaborating with Hippo Digital UK. This Lead Mobile Developer remote position is an exciting opportunity to lead the design, governance, and delivery of innovative mobile applications that transform the digital landscape for our clients.

What You'll Do

• Lead the technical design and delivery of mobile solutions on client projects, ensuring they are robust, performant, and aligned with modern mobile-first business objectives.
• Work hands-on to define and implement mobile architectural patterns (MVVM, Clean Architecture), choosing the right tools, whether native or cross-platform, for the job.
• Mentor and provide technical guidance to senior and mid-level Engineers, fostering a culture of high-quality code reviews and continuous learning in the mobile space.
• Collaborate with clients and UX/UI designers to understand user challenges and translate complex requirements into seamless mobile technical architectures.
• Ensure solutions adhere to industry best practices in areas such as mobile security, offline capability, accessibility (WCAG), and App Store/Play Store compliance.
• Support the development of proposals and bids, articulating our technical approach to mobile-led digital transformation to potential clients.
• Represent Hippo Digital’s technical excellence in client meetings, mobile workshops, and discovery phases.

Requirements

• Extensive experience as a Lead or Senior Mobile Engineer, with a proven track record of designing and delivering complex, consumer-facing mobile applications.
• Deep hands-on expertise in Native Development, specifically with Swift (iOS) and Kotlin (Android), with a strong understanding of their respective SDKs and ecosystems.
• Proficiency in Cross-Platform Frameworks, specifically Flutter (Dart), including state management (Bloc, Provider, or Riverpod) and platform channels.
• Solid understanding of modern mobile architecture patterns, modularization, and mobile-specific CI/CD pipelines (e.g., Bitrise, Fastlane, or GitHub Actions).
• Experience with mobile-centric integration, including RESTful APIs, GraphQL, Firebase services, and local data persistence (Room, CoreData, or SQLite).
• Strong grasp of the mobile release lifecycle, including automated testing (Unit, UI, and Integration) and managing beta distribution via TestFlight or App Center.

Nice to Have

• Experience in agile methodologies and project management.
• Knowledge of additional programming languages or frameworks.
• Experience with user experience (UX) design principles.

What We Offer

• A competitive salary starting at £90,000, with opportunities for growth.
• Comprehensive relocation support packages to help you move and settle in your new role.
• 25 days holiday plus UK public holidays.
• Access to Perkbox for a wide range of discounts.
• Contributory pension scheme (Hippo 6% with employee contributions of 2%).
• Flexible benefits scheme with options for private health cover, private dental cover, and additional holidays.
• Volunteer days and cycle-to-work scheme.
• Financial and general wellbeing sessions.

Diversity, Inclusion and Belonging at Hippo

At Hippo, we’re dedicated to creating a diverse, equitable, and inclusive workplace that works for everyone. We actively encourage applications from underrepresented groups including women, ethnic minorities, LGBTQ+, neurodivergent individuals, and people with disabilities.