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- Tasks: Lead mobile app development and mentor a team of engineers in a dynamic environment.
- Company: Join a global leader in the automobile manufacturing industry.
- Benefits: Earn up to £537 per day with flexible working arrangements.
- Why this job: Make an impact in tech while working on innovative automotive solutions.
- Qualifications: Proven experience in Java, Kotlin, and cloud technologies required.
- Other info: Immediate interviews available; embrace diversity and grow your career.
The predicted salary is between 40000 - 60000 £ per year.
Location: Stratford, London (4 x per week working on site)
Salary/Rate: Up to £537 per day
Start Date: Feb 2026
Job Type: 11 month (Inside IR35 contract)
We are currently recruiting for an experienced Mobile App Developer to join our global client in the automobile manufacturing industry. Immediate interview & start available via Square One Resources.
Responsibilities
- Technical Leadership: Translate business needs into technical solutions, ensuring they conform to architectural standards. Own the technical backlog, manage technical debt, and ensure code is structured to meet emerging requirements.
- Delivery & Operations: Ensure CI/CD pipelines are maintained, releases are shipped consistently, and blockers are resolved.
- Mentorship: Support the growth of fellow engineers, acting as a mentor to 6 software engineers across the team.
- Collaboration: Proactively work with external backend teams (including Pro Telematics, Charging, and Transportation Mobility Cloud). Work with the frontend team to ensure UX alignment with platform conventions.
- Community: Be an active part of the development community, sharing best practices, identifying cross-product alignment opportunities, and defining coding standards.
Technical Experience Required
- Java Ecosystem: Extensive software development experience in JVM languages (Java, Kotlin) across multiple projects, with deep knowledge of Spring and Spring Boot Frameworks.
- Cloud & Infrastructure: Experience with Google Cloud Platform (GCP) products (e.g., Cloud Run, Pub/Sub, Secret Manager).
- Observability: Experience implementing and utilising observability and monitoring tools (e.g., Grafana, Splunk) to maintain system health and diagnose issues.
- API Design: Experience designing and developing REST APIs and associated QA tools.
Technical Experience Preferred
- Engineering Practices: Passion for Software Craftsmanship with experience in Pair Programming, Mobbing, and Test-Driven Development (TDD).
- Delivery: Proven track record of delivery, tackling complex engineering problems, and operating with autonomy.
- Communication: Strong written and verbal communication skills, capable of mentoring others and presenting to technical and non-technical stakeholders.
- Adaptability: Ability to quickly learn and apply architectural and security standards.
- Tools: Experience with version control systems (e.g., Git).
Other experience Required
- DevOps experience (CI/CD pipeline management).
- Experience with Load/Performance testing and scaling applications.
- Previous experience integrating with mobile applications.
Work Experience: Evidence of having successfully fulfilled Senior Engineer positions.
Collaborative: A passion for building inclusive team cultures.
Proactive: Ability to flourish independently and navigate ambiguity ("work in shades of grey").
Flexible: Capable of multitasking and handling complex projects.
Supportive: Prepared to spend time supporting and mentoring junior team members.
If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.
Disclaimer: Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies. Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.
Mobile App Developer - London employer: Square One Resources
Contact Detail:
Square One Resources Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Mobile App Developer - London
✨Tip Number 1
Network like a pro! Reach out to your connections in the tech industry, especially those who work in mobile app development. A friendly chat can lead to insider info about job openings or even a referral.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your best projects, especially those using Java and Kotlin. This gives potential employers a taste of what you can do and sets you apart from the crowd.
✨Tip Number 3
Prepare for interviews by brushing up on your technical knowledge and soft skills. Be ready to discuss your experience with CI/CD pipelines and mentoring others, as these are key aspects of the role.
✨Tip Number 4
Don’t forget to apply through our website! It’s the best way to ensure your application gets seen. Plus, we love seeing candidates who take that extra step to connect with us directly.
We think you need these skills to ace Mobile App Developer - London
Some tips for your application 🫡
Tailor Your CV: Make sure your CV is tailored to the Mobile App Developer role. Highlight your experience with Java, Kotlin, and any relevant projects that showcase your technical leadership and delivery skills.
Showcase Your Technical Skills: Don’t just list your skills; demonstrate them! Include specific examples of how you've used Spring, GCP, or observability tools in past projects. This will help us see your hands-on experience.
Be Clear and Concise: When writing your application, keep it clear and to the point. Use bullet points for easy reading and make sure to highlight your achievements and contributions in previous roles.
Apply Through Our Website: We encourage you to apply through our website for a smoother process. It helps us keep track of your application and ensures you don’t miss out on any updates!
How to prepare for a job interview at Square One Resources
✨Know Your Tech Inside Out
Make sure you brush up on your knowledge of the Java ecosystem, especially Spring and Spring Boot. Be ready to discuss your past projects and how you've tackled complex engineering problems. This will show that you can translate business needs into technical solutions.
✨Show Off Your CI/CD Skills
Since the role involves maintaining CI/CD pipelines, be prepared to talk about your experience with them. Share specific examples of how you've resolved blockers and ensured consistent releases. This will demonstrate your ability to deliver and operate effectively.
✨Be a Mentor in Mindset
Even if you’re not officially mentoring anyone yet, think about how you can support your future team. Discuss your approach to collaboration and how you’ve helped others grow in previous roles. This will highlight your leadership qualities and commitment to building an inclusive team culture.
✨Communicate Clearly and Confidently
Strong communication skills are key for this position. Practice explaining technical concepts in simple terms, as you may need to present to both technical and non-technical stakeholders. This will show that you can bridge the gap between different teams and ensure everyone is aligned.
