Android Developer

As an Android Developer you'll sit within the Engineering 'chapter' working collaboratively with other Developers and Software / QA Engineers. At Tesco Mobile, we empower our customers to seamlessly manage their products and services through native mobile applications on both iOS and Android platforms. Our Mobile App squad is a diverse and agile team, including iOS and Android Developers, a Product Owner, Business Analysts, QA Engineers, and more.

All working together to shape, build and deliver outstanding mobile experiences that delight our customers.

In this role you will have the chance to create, code, and implement customised solutions that elevate our Tesco Mobile Android app to new heights. Your expertise will play a crucial role in improving our mobile app by introducing new features and custom functionalities. Working in collaboration with cross‑functional teams, you will deliver high‑quality solutions that meet our ambitious business goals!

• Design, develop, and maintain Android features using Kotlin, Jetpack Compose, and modern Android UI components.
• Work within established architectural patterns, contributing to scalable, modular, and maintainable Android app components.
• Collaborate with cross‑functional team members—including Product Owners, Business Analysts, QA Engineers, and other developers—to deliver high‑quality features.
• Integrate the Android application with RESTful APIs and backend systems.
• Ensure strong app performance through profiling, debugging, and performance optimisation across a wide range of Android devices.
• Write clean, testable, and maintainable code while contributing to unit testing and UI testing practices.
• Participate in code reviews, providing constructive feedback and promoting consistent coding standards across the Android codebase.
• Stay current with the latest Android platform updates, Jetpack libraries, tools, and best practices to support ongoing app improvements.

• Minimum 4 years of hands‑on Android development using Kotlin.
• Experience with Jetpack Compose and Android UI development, with a good understanding of the latest Android platform features.
• Knowledge of MVVM or other modern Android architecture patterns.
• Experience integrating Android applications with RESTful APIs and backend services.
• Proficiency in writing and maintaining unit tests, with a good understanding of testable Android architecture.
• Understanding of push notifications (FCM), offline storage, concurrency, and performance optimisation across diverse Android devices.
• Good knowledge of Material Design guidelines and the broader Android ecosystem.
• Proficient with Git and collaborative development workflows.
• Strong problem‑solving, communication, and teamwork skills.
• Bonus but not essential: Experience or flexibility with cross-platform development (e.g., Kotlin, Android, or frameworks like Flutter/React Native) is highly advantageous and welcomed.

We’re all about the little helps. That’s why we make sure our Tesco colleague benefits package takes care of you – both in and out of work. to find out more!

• Annual bonus scheme of up to 20% of base salary
• Holiday starting at 25 days plus a personal day (plus Bank holidays)
• Private medical insurance
• 26 weeks maternity and adoption leave (after 1 year’s service) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 6 weeks fully paid paternity leave
• Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing

A 50-50 joint venture between Tesco and VMO2 that was established back in 2003, Tesco Mobile has gone from strength to strength as we’ve launched into new services and markets. With more than 5 million customers, we’re the largest mobile virtual network operator in the UK. We’re proud to have an inclusive culture that’s uniquely Tesco Mobile, with a strong sense of community, plus all the benefits of working for one of the shareholders.

We care for human connection and we keep our customers at the heart of everything we do, which is why…