App Developer in London

App Developer in London

London Full-Time 30000 - 40000 £ / year (est.) No home office possible
Castle Employment

At a Glance

  • Tasks: Develop and maintain Android and iOS apps for a thriving eCommerce platform.
  • Company: Established UK retail business with a strong digital presence.
  • Benefits: Competitive salary, supportive environment, and clear progression opportunities.
  • Why this job: Take ownership of app development and make a real impact in a stable team.
  • Qualifications: Experience in Kotlin, Swift, and mobile app development.
  • Other info: Dynamic team of over 20 developers with a focus on collaboration.

The predicted salary is between 30000 - 40000 £ per year.

Location: Scarborough

Salary: Competitive, dependent on experience

Hours: Monday to Friday, 9:00am - 5:30pm

Working Pattern: Primarily on-site

The Opportunity

We are supporting a well-established UK retail business with a strong digital presence, delivering products globally through a range of customer-facing apps and platforms. Following a shift in strategy to bring development capability fully in-house, they are investing in their mobile function and are looking to appoint an Android and iOS App Developer to join their growing team in Scarborough. This is a key hire within a stable and long-standing development environment, offering the chance to take real ownership of app development and contribute to the evolution of a high-traffic eCommerce platform.

The Role

Working closely with a Senior App Developer, you will play a hands-on role in the development, improvement and maintenance of customer-facing mobile applications across both Android and iOS. This role would suit someone who is comfortable working autonomously, but also collaborative in approach, with the confidence to contribute ideas and challenge where appropriate.

Key responsibilities:

  • Develop and maintain Android and iOS applications in a live eCommerce environment
  • Work with internal stakeholders to enhance app functionality and user experience
  • Implement new features and improvements aligned to business and customer needs
  • Ensure applications remain up to date with platform changes and best practice
  • Support integration with third-party services where required
  • Identify and resolve issues proactively, maintaining performance and usability

Required Experience

Essential:

  • Commercial or demonstrable experience in Kotlin and Jetpack Compose
  • Experience in Swift and SwiftUI
  • Ability to showcase work through projects, portfolio or technical assessment
  • Experience building and maintaining mobile applications in a production environment
  • Strong problem-solving capability and attention to detail

Desirable:

  • Experience working within eCommerce or customer-facing applications
  • Exposure to modern mobile development practices and frameworks

About You

  • Comfortable working with a high level of autonomy
  • Proactive, inquisitive and not afraid to ask questions
  • Keen to learn and develop within a collaborative team environment
  • Strong communicator with a mature and professional approach
  • Motivated by delivering high-quality user experiences

Team & Environment

Established development function with over 20 developers across front-end, back-end and mobile. Strong retention and long tenure across the team. Supportive environment with clear opportunity for progression and development. Business investing in bringing technology capability in-house, offering long-term stability and growth.

Interview Process

  • Stage 1: Informal Teams or on-site discussion (minutes)
  • Stage 2: On-site technical interview, including practical assessment

Additional Information

  • Free on-site parking available
  • Easily accessible via public transport, including nearby train links

If you are an Android and iOS Developer looking for a role where you can take ownership, contribute to a growing in-house function and work within a stable retail environment, this opportunity offers a strong long-term platform. Apply now or get in touch for a confidential discussion.

App Developer in London employer: Castle Employment

Join a well-established UK retail business in Scarborough, where you will thrive in a supportive and collaborative environment alongside a dedicated team of over 20 developers. With a strong focus on employee growth and development, this role offers the chance to take ownership of app development while contributing to a high-traffic eCommerce platform, all within a stable and long-standing company that values innovation and quality user experiences.
Castle Employment

Contact Detail:

Castle Employment Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land App Developer in London

✨Tip Number 1

Get your portfolio ready! Showcase your best projects, especially those that highlight your skills in Kotlin, Jetpack Compose, Swift, and SwiftUI. This is your chance to impress them with what you can do!

✨Tip Number 2

Network like a pro! Connect with current employees on LinkedIn or attend local tech meetups. A friendly chat can sometimes lead to insider tips or even a referral, which can give you a leg up in the application process.

✨Tip Number 3

Prepare for the technical interview by brushing up on your problem-solving skills. Practice coding challenges and be ready to discuss your thought process. They want to see how you tackle real-world issues, so show them your approach!

✨Tip Number 4

Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, it shows you’re genuinely interested in joining their team and taking ownership of your role.

We think you need these skills to ace App Developer in London

Kotlin
Jetpack Compose
Swift
SwiftUI
Mobile Application Development
eCommerce Experience
Problem-Solving Skills
Attention to Detail
User Experience Enhancement
Third-Party Service Integration
Autonomy in Work
Collaboration Skills
Strong Communication Skills
Adaptability to Platform Changes

Some tips for your application 🫡

Showcase Your Skills: Make sure to highlight your experience with Kotlin, Jetpack Compose, Swift, and SwiftUI in your application. We want to see what you've built, so include links to your projects or a portfolio that showcases your best work!

Tailor Your Application: Don’t just send a generic application! Take the time to tailor your CV and cover letter to reflect how your skills and experiences align with the role. We love seeing candidates who understand our needs and can demonstrate how they fit.

Be Yourself: We’re looking for someone who’s not just technically skilled but also a great fit for our team. Let your personality shine through in your application. Share your passion for app development and how you approach problem-solving!

Apply Through Our Website: For the best chance of getting noticed, apply directly through our website. It’s the easiest way for us to keep track of your application and ensures it lands in the right hands. We can’t wait to hear from you!

How to prepare for a job interview at Castle Employment

✨Know Your Tech Stack

Make sure you brush up on your Kotlin, Jetpack Compose, Swift, and SwiftUI skills. Be ready to discuss your experience with these technologies in detail, as well as any projects you've worked on that showcase your abilities.

✨Showcase Your Portfolio

Bring along a portfolio of your work or be prepared to discuss specific projects during the interview. Highlight your contributions to app development, especially in eCommerce environments, to demonstrate your hands-on experience.

✨Prepare for Technical Questions

Expect technical questions and practical assessments during the interview. Practice coding challenges related to mobile app development and be ready to solve problems on the spot, showcasing your problem-solving skills.

✨Emphasise Collaboration

Since the role involves working closely with a Senior App Developer and other stakeholders, be prepared to discuss how you’ve collaborated in past projects. Share examples of how you’ve contributed ideas and worked within a team to enhance user experiences.

App Developer in London
Castle Employment
Location: London

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