Senior Android Engineer

Just Eat Takeaway.com; Watford; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

Just Eat Takeaway.com is seeking a Senior Android Engineer to design robust mobile architecture and deliver high-performance features for millions of users. You will collaborate with product, UI/UX, and backend teams to drive end-to-end delivery, maintainable code, and strong testing culture.

The role is based in London with three days in the office per week, offering a hybrid work arrangement and opportunities to mentor junior engineers while shaping mobile platform directions.

Qualifications

• 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).

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

Skills

Kotlin

Android

MVVM

Clean Architecture

Dependency Injection

Unit testing

Tools

Git

Gradle

GitHub Actions

JetPack Compose

Job description

Senior Android Engineer

2026-09-16T00:00:00

Location: Watford, Hertfordshire, GB, WD17 2

Employment Type: Full Time

Application Deadline: 2026-10-14T18:00:36.127

Position Details

• Position: Senior Android Engineer
• 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 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 Culture and Values

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.