Senior Mobile (iOS) Developer

About The Role

Hippo is a rapidly growing digital consultancy passionate about building and delivering transformative digital solutions for a diverse range of Public and Private sector clients. We are recruiting for a Senior Mobile (iOS) Developer to join our Hippo Herd. The role blends strategy, design, and technology to solve complex problems and create lasting value in a collaborative, agile culture.

As a Senior Mobile (iOS) Developer, you will act as a Senior Consultant delivering mobile development services. You will lead technical delivery within a squad, ensuring excellence and mentoring others to maintain high standards of software engineering.

Your Role in a Nutshell

• Lead the production of user‑centred software, ensuring development aligns with business requirements and follows best practice.
• Collaborate with colleagues and stakeholders to explore, design, and deliver solutions to complex client problems.
• Take ownership of mobile architectural decisions and deployment pipelines, resolving issues before they arise.
• Communicate and present prototypes, solutions, and progress to internal and external stakeholders clearly and concisely.
• Build strong relationships with your team and stakeholders, identifying and overcoming challenges.
• Mentor engineers and support consultants through coaching and guidance.
• Promote Hippo’s Engineering Herd internally and externally through knowledge sharing, workshops, or blogs.

About the Candidate

Essential Experience

• Excellent experience in Native Development with Swift (iOS).
• Proven track record of delivering high‑quality, robust, and scalable native applications within a delivery team.
• Expertise in coaching and guiding others toward optimal technical solutions.
• Excellent verbal and written communication skills, able to articulate in both technical and non‑technical terms.
• Extensive experience in the full development lifecycle delivering user‑centred mobile solutions.
• Advanced skills in mobile architecture patterns (MVVM, Clean Architecture) and modularisation.
• Expert knowledge of mobile‑centric integration, including RESTful APIs, GraphQL, and Firebase.
• Strong grasp of the mobile release lifecycle, including automated testing and App Store/Play Store compliance.
• Proficiency in agile methods and techniques such as Scrum, Kanban, and TDD.
• Strong experience in mobile‑specific CI/CD pipelines (Bitrise, Fastlane, or GitHub Actions).

Desirable Experience

• Previous experience working on GOV/NHS projects or in a consultancy environment.
• Proficiency in cross‑platform frameworks such as Flutter (Dart).

About The Company

In addition to a competitive salary, Hippo offers a range of benefits:

• Contributory Pension Scheme (Hippo 6% & Employee 2%)
• 25 days holiday plus UK public holidays
• Perkbox access for a wide range of discounts
• Critical illness cover
• Life assurance and death in service cover
• Volunteer days
• Cycle‑to‑work scheme
• Salary‑sacrifice electric vehicle scheme
• Season ticket loans
• Financial and general wellbeing sessions
• Flexible benefits scheme with options of:
  • Private health cover
  • Private dental cover
  • Additional company pension contributions
  • Additional holidays (up to an extra 2 days)
  • Wellbeing contribution
  • Charity contributions
  • Tree planting

Diversity, Inclusion and Belonging at Hippo

Hippo is dedicated to creating a diverse, equitable, and inclusive workplace. We actively encourage applications from underrepresented groups, including women, ethnic minorities, LGBTQ+, neurodivergent individuals, and people with disabilities. As a registered Disability Confident Employer, Mindful Employer, Endometriosis Friendly Employer, and member of the Armed Forces Covenant, we strive to remove barriers and provide reasonable adjustments.

Hi, we’re Hippo

We design with empathy and build for impact by combining data‑informed evidence, human‑centred design, and software engineering. Our delivery methodology is truly agile, from concept to reality, supporting innovation and continuous improvement to achieve your desired outcomes.

We believe technology should serve humanity, not the other way around. We take a human‑centred approach to everything we do, ensuring solutions work for users in the real world.

Hippo Locations

Headquartered in Leeds, Hippo has offices across the UK in Glasgow, Manchester, Birmingham, London, and Bristol. Candidates are expected to travel to sites as needed, with a generous relocation support package of up to £8,000.