Senior Engineer (Mobile)

Our purpose is

To change people's lives through wellness. We are passionate about supporting people to lead healthy, fulfilled lives by providing a space where they can focus on their physical, mental and social well-being. Wellness can be confusing. We make it easy, honest, and welcoming for everyone.
Our mission is to deliver Social Wellness Club experiences that enable people to meet their personal wellness goals, through holistic physical, mental, nutritional and social wellbeing. At Virgin Active wellness is not just about fitness - it's about creating real experiences that support members in their holistic health journey.
We provide a luxury wellness environment that fosters personal growth, community, and transformation. Our approach is accessible, inclusive, and built on the foundation of social wellness. We operate as a full-time onsite function - because we believe the best ideas come to life when we're collaborating in person, sharing thoughts, and building together.
Our wellness offering is built on core pillars which define who we are and how we deliver on our promise:

1. Refreshing Real Experiences: Experiences that feel alive - no fake smiles, no dull workouts.
2. Real Guidance: Pro advice without the jargon.
3. Real Progress: Coaching made just for you, so it actually lasts.
4. Real Community: Everyone's welcome, everyone belongs.
5. Real Innovation: Our app keeps you ahead of the curve - never behind.

Your Purpose
As we transform into a Social Wellness Club, we're redefining how we approach technology by building globally scalable solutions. A key part of this transformation is consolidating our core member engagement platform (our Mobile App and related services) under a central team. This team will own a unified codebase, enabling faster, more consistent feature rollouts across multiple countries.
We're looking for a Senior Mobile Engineer to design, build, and evolve mobile app capabilities using Kotlin Multiplatform (KMP). You'll work closely with the Engineering Manager / Leads, Product Managers, Designers, QA, and backend engineers to deliver high-quality mobile experiences across Android and iOS through shared KMP modules and platform-specific implementations where needed. This is a hands on senior engineering role with responsibility for owning larger technical problem spaces, shaping implementation approaches, improving engineering quality, and driving scalable, maintainable mobile solutions. The role is app focused, while working closely with backend teams to support end to end delivery.

Your Duties and Responsibilities
Delivery & Ownership

• Own the design, build, and delivery of complex mobile features and technical components using Kotlin Multiplatform (KMP).
• Own and evolve shared business logic, domain, networking, and platform integration layers across Android and iOS.
• Lead technical input into discussions, sprint planning, backlog refinement, and estimation for larger or more complex work.
• Drive pragmatic decisions on shared vs platform specific implementation to optimise reuse, maintainability, performance, and user experience.
• Set a high standard for clean, maintainable, and testable code, and influence implementation quality across the team.
• Provide high quality code reviews, guide technical decisions, and raise implementation quality through constructive feedback.

Technical Execution

• Own end to end delivery of complex technical work from design through implementation, testing, release, and post release support.
• Partner with the Engineering Manager / Leads to shape and strengthen engineering standards, architectural patterns, and development practices.
• Drive alignment with backend engineers on integration design, technical trade offs, and end to end delivery quality.
• Proactively identify and drive improvements in app reliability, performance, observability, and maintainability across the mobile stack.
• Lead investigation of complex production issues, drive root cause analysis, and put preventative improvements in place.
• Improve mobile release processes, CI/CD practices, and automation to increase delivery speed, stability, and confidence.
• Own significant cross platform delivery outcomes across Android and iOS through shared KMP code and sound implementation decisions.
• Make strong technical trade off decisions between reuse and platform specific implementation to support long term scalability and user experience.
• Own delivery across shared modules, app architecture, testing, and release readiness for larger problem areas or feature sets.
• Influence technical decisions to support scalable and repeatable delivery across multiple countries and products.

Cross-Functional Collaboration

• Partner closely with Product Managers and Designers to shape robust technical solutions, challenge assumptions where needed, and improve delivery quality.
• Coordinate effectively with QA, Data, Operations, and backend teams to deliver high quality features and resolve cross team technical challenges.
• Communicate progress, constraints, trade offs, and delivery risks clearly, and help drive alignment on the best path forward.
• Play a leading role in agile ceremonies, especially for estimation, technical planning, and identifying delivery risks or dependencies.
• Drive strong engineering documentation, share knowledge proactively, and improve reusable development practices across the team.
• Identify and drive improvements in automated testing, CI/CD, code quality tooling, and developer experience.
• Proactively identify and champion opportunities to reduce technical debt, simplify solutions, and improve delivery speed and quality.
• Stay current with mobile engineering practices, Kotlin ecosystem developments, and KMP best practices, and help embed them into team practice where valuable.

Our Minimum Requirements
We can't live without

• Bachelor's degree in a relevant field or equivalent professional experience in software engineering.
• 6+ years of professional software development experience, with deep hands on experience in mobile engineering and ownership of complex mobile delivery.
• Strong experience building and evolving production mobile applications at scale.
• Strong experience working in cross platform or shared code mobile environments, ideally with Kotlin Multiplatform (KMP), including ownership of complex shared module delivery.
• Strong understanding of mobile architecture, design patterns, modularisation, and maintainable software design, with the ability to make sound technical trade offs.
• Strong experience integrating mobile applications with backend APIs, services, and third party platforms, including handling complex integration challenges.
• Strong understanding of RESTful APIs, client side networking patterns, and mobile app performance considerations.
• Strong experience writing unit tests and improving broader automated testing practices.
• Strong familiarity with version control, peer code review, and collaborative engineering workflows, with consistent contribution to team quality standards.
• Strong debugging, problem solving, and communication skills, with the ability to handle complex technical ambiguity.
• Ability to work effectively as a senior hands on individual contributor, influencing delivery and technical quality across a cross functional product and engineering team.
• Strong production experience with Kotlin Multiplatform (KMP).
• Experience owning delivery across both Android and iOS through shared cross platform modules.
• Strong exposure to CI/CD pipelines, mobile release management, crash reporting, and observability tooling, including improvement of team practices.
• Strong familiarity with agile delivery frameworks and working effectively in product led engineering teams.
• Experience in consumer facing digital products, subscription products, wellness, lifestyle, or marketplace platforms.
• Demonstrated experience improving engineering standards, testing practices, developer tooling, or technical ways of working within a team.

Core Interpersonal Skills:

• Emotional Intelligence- proven ability to anticipate the needs of others before they are voiced
• Active Listening- Able to genuinely hear concerns with the ability to defuse tense situations and ensuring members and staff feel heard and valued
• Cultural Awareness and Fluency- understand international norms, etiquette and diverse backgrounds to provide a welcoming environment for our international and VIP members
• Empathy - be able to understand, or and be aware of, someone else's feelings especially during stressful situations, such as travel delays or billing disputes

Operational & leadership Skills Required:

• Attention to Detail, noticing the small things
• Resilience and Composure, be able to remain calm and optimistic under extreme pressure, during peak or periods or system failures
• Problem solving and conflict resolution - be able to turn challenges into opportunities by thinking and acting quickly to resolve issues before they impact a member's experience
• Adaptability: be flexible to handle unpredictable shifts in processers, resource changes, last minute VIP guest arrivals, or sudden changes in event plans.
• Relatability - the capacity to connect with diverse stakeholders across all backgrounds
• Situational Awareness - constantly monitoring the environment to identify members who need support or help
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