Senior Android Engineer

Just Eat Takeaway.com; City Of London; On-site; GBP 90,000 - 110,000; Full time

Job summary

Just Eat Takeaway.com is seeking a Senior Android Engineer in London with a focus on scalable Android apps and modern architecture. You will drive the design of features, ensure high performance, and work closely with Product Managers, UI/UX designers, and backend teams to deliver user‑centric experiences.

You will mentor engineers, uphold code quality through reviews and automated tests, and contribute to CI/CD pipelines while maintaining a strong mobile engineering culture in a hybrid London

Qualifications

• Proven Android development experience with shipping high-quality apps
• Deep knowledge of Kotlin and Android architecture
• Experience with automated testing and CI/CD pipelines (GitHub Actions)

Responsibilities

• Lead design and implementation of complex, scalable Android features
• Drive mobile architecture best practices (MVVM/Clean Architecture) and code quality
• Monitor, profile, and optimize app performance and startup times
• Mentor junior engineers and contribute to engineering process standards
• Collaborate with design, product and backend teams to translate user needs into technical solutions

Skills

Android development

Kotlin

Dependency Injection

Jetpack Compose

Unit testing

CI/CD

Git

Gradle

Tools

GitHub Actions

Gradle

Job description

Senior Android Engineer

Date: 2026-09-16

Location: Barnet, Greater London, GB, EN4 8

Employment Type: Full Time

Application Deadline: 2026-10-14 18:00:34.323

Position Details

• Department: Product & Technology


• Reports to: Technology Manager


• Location: London, 3 days a week in office

The Role

As a Senior Android Engineer, you won't just write code; you will design and implement robust architectural patterns that impact millions of daily active users. You will collaborate closely with Product Managers, UI/UX Designers, and Backend Teams to build intuitive, high-performance features.

Key Responsibilities

• Feature Development: Lead the design and implementation of complex, scalable, and maintainable features using modern Android technologies.


• Architecture & Quality: Drive best practices in mobile architecture (MVVM/ Clean Architecture). Maintain exceptionally high code quality through rigorous code reviews, automated testing, and CI/CD pipelines.


• Performance Optimization: Continuously monitor, profile, and optimize app performance, ensuring minimal battery usage, fast startup times, and smooth UI rendering.


• Technical Leadership: Act as a technical authority within the team. Mentor junior and mid-level engineers, foster a culture of knowledge sharing, and contribute to standardizing our engineering processes.


• Collaboration: Work across functional boundaries with design, product, and platform teams to translate user needs into technical realities.

Your Profile & Experience

We are looking for someone who is passionate about the Android ecosystem, stays ahead of industry trends, and thrives in a fast-paced, collaborative environment.

• Proven Experience: Professional Android development experience, with a proven track record of shipping high-quality apps to the Google Play Store.


• Language Mastery: Deep knowledge of Kotlin and a solid understanding of Android architecture. Use of Dependency Injection, experience using JetPack compose etc.


• Testing: Strong belief in automated testing-proficient with Unit testing Tooling & CI/CD: Familiarity with Git, Gradle, and setting up automated CI/CD pipelines ( GitHub Actions).

Our Values & Culture

At JET, this is how we play

Our teams forge connections internally and work with some of the best-known brands on the planet, giving us truly international impact in a dynamic environment. Being the best at what we do isn't just about delivering on our strategy. It's a competition for something incredibly valuable - our customers' choice. Every time a customer decides where to order, they're picking a side. At the heart of the JET Customer League are our values and behaviours. They guide every interaction, every decision, every innovation. These are the actions we need to perform consistently and brilliantly, to surpass the competition and earn our customers' loyalty, again and again. Fun, fast-paced and supportive, the JET culture is about movement, growth, helping one another to succeed and celebrating wins. By truly living our values and embodying our behaviours, we're building a customer-first culture which enables us to stay one step ahead of the competition.

Inclusion, Diversity & Belonging

No matter who you are, what you look like, who you love, or where you are from, you can find your place at Just Eat Takeaway.com. We're committed to creating an inclusive culture, encouraging diversity of people and thinking, in which all employees feel they truly belong and can bring their most colourful selves to work every day.

Additional Information

Want to know more about our JETers, culture or company? Have a look at our career site where you can find people's stories, blogs, podcasts and more JET journeys.