Android Developer

Tesco Mobile Ltd; Slough; Hybrid; GBP 55,000 - 70,000; Full time

Job summary

A leading mobile operator in the UK is seeking an experienced Android Developer to join their team in Slough. You'll design, develop, and maintain Android applications, ensuring they perform effectively and meet user needs. Candidates should have a Bachelor's degree in Computer Science or a related field, with at least 5 years of Android development experience, particularly in Kotlin and Jetpack Compose. The role offers a blended office and remote work environment with a strong emphasis on teamwork and innovation.

Qualifications

• 5+ years of hands-on experience developing for Android.
• Proficient in writing and maintaining unit tests.
• Solid understanding of Android SDK and architecture components.

Responsibilities

• Design, develop, and maintain Android applications using Kotlin and Jetpack Compose.
• Ensure performance, quality, and responsiveness of applications.
• Mentor junior developers and contribute to team knowledge sharing.

Skills

Kotlin

Android Development

Jetpack Compose

RESTful APIs

Unit Testing

Git

Education

Bachelor's degree in Computer Science or related field

Job description

As an Android Developer, you'll be at the forefront of our Engineering chapter, working alongside other dedicated 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.

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, including business partners, administrators, and fellow developers, you will deliver high‑quality solutions that meet our ambitious business goals!

Responsibilities

• Design, develop, and maintain Android applications using Kotlin and Jetpack Compose.
• Ensure the performance, quality, and responsiveness of applications.
• Identify and correct bottlenecks and fix bugs.
• Continuously discover, evaluate, and implement new technologies to increase development efficiency.
• Write clean, maintainable, and efficient code.
• Participate in code reviews and provide constructive feedback to team members.
• Mentor junior developers and contribute to team knowledge sharing.

Qualifications

• Bachelor’s degree in Computer Science, Information Technology, or related field (or equivalent work experience).
• Minimum of 5 years of hands‑on experience developing for Android.
• Proficiency in Kotlin and Jetpack Compose.
• Solid understanding of Android SDK, different versions of Android, and how to deal with different screen sizes.
• Experience with RESTful APIs to connect Android applications to back‑end services.
• Proficiency in writing and maintaining unit tests to ensure code quality and reliability.
• Proven understanding of Android architecture components (e.g., MVVM, MVP) and their implementation in scalable applications.
• Familiarity with cloud message APIs and push notifications.
• Knowledge of the open‑source Android ecosystem and the libraries available for common tasks.
• Experience with offline storage, threading, and performance tuning.
• Understanding of Google’s Android design principles and interface guidelines.
• Proficient understanding of code versioning tools, such as Git.
• Bonus: Experience or flexibility with cross‑platform development (e.g., Kotlin, Android, or frameworks like Flutter/React Native) is highly advantageous and welcomed.

Company

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 we’ve embraced the Agile way of working. Agile is more than just a methodology – it’s a liberating journey that puts customers and purpose first. It empowers us to self‑organise, collaborate, co‑create and rapidly inspect and adapt everything we do – allowing us to respond at pace to our customers’ needs. It encourages variety of thought and enables us to thrive, both individually and collectively.

We’re a big business and we can offer a range of diverse full‑time and part‑time working patterns across our many business areas, which means that we can find something that works for you. We work in a more blended pattern – combining office and remote working. Our offices will continue to be where we connect, collaborate and innovate. If you are applying internally, please speak to the Hiring Manager about how this can work for you – everyone is welcome at Tesco.