Senior Mobile Engineer - Android

OVERVIEW:

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 when 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:

Essential Criteria:

• 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 

Closing Date: 20th May 2026