Senior Mobile Engineer - Android

Working in the Mobile Engineering team, this role exists to set the bar for creating quality, scalable digital solutions for Gymshark and its customers, with a focus on the mobile products.

WHAT YOU'LL BE DOING:

• LEADERSHIP: Mentors new starters and less Senior team members in the development of their roles. Coordinates design workshops & ensuring all engineers contribute. Prepares for situations or discussions in advance where requested. Takes accountability for their contribution towards the success of a given situation or discussion. Proactively brings formed decisions to Mobile Leads to reinforce their ideas to ensure they are on the right track. Steps in to move situations or discussions forward when they start to stall. Respects the input of people in other roles to their work and conversations. Actively fosters collaboration with peers in the team in the interest of quality and efficiency. Considers team goals when prioritising and making decisions. Makes a point of inviting input from more junior members of the team, and of creating opportunities for them to get involved. Strives to be objective and reflects on their own biases when making decisions. Holds themselves accountable for decisions and outcomes. Identifies and appropriately escalates perceived knowledge gaps of other team members and the team itself. Actively fosters collaboration with peers across teams in the interest of knowledge-sharing and development.
• DELIVERY: Works collaboratively with Engineering colleagues and Leads to meet sprint goals, and ensure sprints are successful. Ensures that Security, Financial, Commercial and Business requirements are considered while discovering and sizing work. Insists on understanding customer value in their work. Ensures tasks are prioritised correctly by making data-led decisions where possible, and by ensuring that dependencies are noted. Collaborates with product owners to ensure that expectations are managed, delivering as required as well as helping to agree reasonable timescales for delivering on key outcomes. Takes accountability for the work meeting Engineering standards and team-level Definitions of Done and Definitions of Ready. Identifies the need to collaborate with peers and other teams as necessary to understand and work towards outcomes. Presents on the work delivered within an iteration to key stakeholders, clearly demoing the value, in language that non-technical stakeholders can understand. Champions the continuous improvement of the team (including quality, process, teamwork, but not limited to these things) through retrospectives and other appropriate channels. Breaks stories down effectively, ensuring that stories are small by design and that each story delivers value. Challenges bloat and scope creep in favour of swift value delivery.
• CULTURE: Confidently opens and leads discussions within the team. Provides honest and candid feedback when requested, taking care to include constructive criticism. Openly gives recognition of individuals to the team and peers. Uses 10% time to increase knowledge and capability in industry-relevant technologies and practices. Demos how 10% time has been used & actively prompts others to use theirs effectively & consistently. Shares knowledge across teams through suitable channels (blogs, lightning talks, demos, workshops). Plays an active and leading role in all Scrum ceremonies in order to drive forward progression in sprints.
• CRAFT: An expert in writing clean and readable Object Oriented code. Knows the latest and most complex language features and makes the best use of encapsulation and mutability. Has mastered the full knowledge of one platform, has a deep understanding of the other. Owns and maintains the design and implementation of software architecture components by applying SOLID principles. Utilise Clean Architecture, modularisation, and MVVM to maintain a clean separation of concerns across the codebase. Drives unit test coverage expectations, creating test doubles, influencing others to adopt / use TDD. Has a very good understanding of advanced Git commands. Has a full understanding of CI process and tools. Good knowledge of external tools which can be used to complete RCA of issues. Autonomously creates new documentation for processes, features and best practices. Collaborates with the Design team in creating and maintaining a design system. Considers security implications as part of day-to-day work and can address issues raised by a security audit.

WHAT YOU'LL NEED:

• Hands‑on delivery of Android applications according to the sprint backlog, often involving end‑to‑end leadership for a given feature or project.
• Expert in Kotlin and Jetpack Compose.
• Ensure solutions are implemented that deliver genuine value to their users.
• Coordinating and instrumenting the overarching solution design, in accordance with architectural vision and development strategy during the discovery phase of new projects.
• Performing a suitable degree of testing against a given solution before delivery.
• Raising technical constraints & dependencies to the Product Owner to align for the best solution.
• Defining and tracking Engineering/Quality KPIs in collaboration with the Lead engineer to ensure delivery is consistent and class‑leading.

Preferred Skills:

• Experience of Kotlin Multi Platform is desirable.