Senior Android Developer – Kotlin / Jetpack Compose
Location: Leicester, UK | Hybrid
Start: ASAP
Contract: Fixed-Term Employment Contract until 31 January 2027, with potential extension
We’re looking for an experienced Senior Android Developer to join our eCommerce technology team working on a newly rebuilt, customer-facing Android application, onsite with one of our prestigious Clients based in Leicester.
The app has been completely re-engineered using Kotlin and Jetpack Compose, creating a modern, accessible and seamless mobile experience. You’ll play a key role in shaping the technical foundations, delivering new functionality and ensuring the platform remains performant, scalable and maintainable.
This is a hands-on development role with the opportunity to provide technical leadership and mentoring within the wider Android team.
What You’ll Be Doing:
- Shape Android architecture – Influence architectural decisions and establish best practices for modern, scalable and high-performing Android applications.
- Build modern mobile experiences – Design and develop feature-rich, white-label Android applications using Kotlin and Jetpack Compose.
- Create adaptive UI experiences – Build intuitive interfaces optimised across phones, tablets and different screen sizes.
- Drive quality and performance – Troubleshoot complex issues, optimise performance and support reliable production applications.
- Champion engineering standards – Conduct code reviews and promote clean, maintainable and testable code.
- Strengthen automated testing – Implement robust unit and UI testing to improve application reliability.
- Collaborate across product and UX – Work closely with Product Owners, UX teams and other stakeholders to translate requirements into high-quality technical solutions.
- Provide technical leadership – Share best practices and mentor junior developers within the team.
- Work within an Agile/Scrum environment, supporting continuous delivery through modern CI/CD practices.
What We’re Looking For:
- You’ll bring strong hands-on Android engineering experience, ideally including:
- Strong commercial development experience with Kotlin
- Hands-on expertise with Jetpack Compose
- Strong understanding of the Android ecosystem and application architecture
- Experience developing modern, customer-facing mobile applications
- Strong knowledge of adaptive/responsive UI development across mobile and tablet devices
- Experience with unit testing and UI automation testing
- Strong understanding of application performance optimisation and production support
- Experience with Git, CI/CD and Azure DevOps
- Strong problem-solving and solutioning skills
- Experience working within Agile/Scrum development teams
- Confidence working with Product, UX and business stakeholders
- Ability to conduct code reviews, influence engineering standards and mentor other developers
Core Technology
Kotlin | Jetpack Compose | Android | Azure DevOps | Git | CI/CD | Unit Testing | UI Testing | Agile/Scrum | Mobile App Development | Performance Tuning
Why Join UST?
This is an opportunity to work on a modern Android platform rather than a legacy application, with the ability to influence technical direction and engineering best practice while delivering a high-profile customer-facing product.
ASAP start | Leicester hybrid | Fixed term to 31 January 2027 | Potential extension
Hurry & apply!
#UST
Kotlin, Android, Azure DevOps, CI/CD, Mobile App Development, Agile, Performance Tuning, Production Support, Solutioning
Senior Android Developer – Kotlin / Jetpack Compose (Specialist I - Software Engineering) in Leicester employer: UST
As a Salesforce Delivery Lead in London, you will join a dynamic and innovative team within the Financial Services sector, where your expertise will drive impactful technology initiatives. Our hybrid work culture promotes flexibility while fostering collaboration, and we are committed to your professional growth through continuous learning opportunities and mentorship. With a focus on Agile practices and high-performance teams, we offer a rewarding environment that values your contributions and encourages meaningful engagement with stakeholders.
