At a Glance
- Tasks: Design and develop scalable software solutions across web, cloud, and mobile platforms.
- Company: Join a dynamic tech team focused on innovative digital products.
- Benefits: Competitive salary, learning opportunities, and a collaborative work culture.
- Other info: Work in an Agile setting with excellent career growth potential.
- Why this job: Make an impact by shaping mobile-first products in a fast-paced environment.
- Qualifications: 4+ years in software engineering with strong .NET and mobile experience.
The predicted salary is between 60000 - 75000 £ per year.
Location: East Croydon (3 days a week onsite)
We are building modern, customer-focused digital products that span web, cloud, and mobile platforms, helping thousands of users interact with seamless, secure, and high-performance applications every day. We’re a collaborative engineering team working across .NET, Azure, and mobile technologies (Flutter / Xamarin), delivering scalable solutions in a fast-paced, product-driven environment. We value engineers who enjoy solving real-world problems, working across the full stack, and taking ownership from design through to deployment. Innovation, quality, and customer impact sit at the heart of everything we build.
Here’s the exciting bit… a day includes:
This is a fantastic opportunity for a Senior Software Engineer with mobile experience to join a growing engineering function. You will be working across backend services, cloud infrastructure, and mobile applications, contributing to both web and mobile product delivery. You will collaborate closely with product managers, designers, and engineers to deliver features that improve user experience across multiple platforms. We work in an Agile environment, focusing on continuous delivery, technical excellence, and iterative improvement. You will also play a key role in shaping engineering practices and driving quality across the team.
Responsibilities
- Design, develop, and maintain scalable software solutions using C# / .NET Core / ASP.NET Core
- Develop and support mobile applications using Flutter or Xamarin
- Build and integrate RESTful APIs and microservices consumed across web and mobile platforms
- Collaborate with product, UX, and engineering teams to deliver end-to-end features
- Ensure performance, scalability, and security of applications across cloud and mobile systems
- Participate in code reviews and provide constructive feedback
- Troubleshoot and resolve complex technical issues across backend and mobile layers
- Contribute to continuous improvement of engineering practices and delivery processes
- Implement and support CI/CD pipelines for automated build, test, and deployment
- Design scalable system architecture aligned with business and product goals
- Develop and maintain technical documentation, including APIs and system design
- Optimise application performance across backend services and mobile applications
- Ensure secure coding practices and compliance with cybersecurity standards
- Support deployment and release management across Azure cloud environments
- Contribute to mobile release processes (App Store / Play Store where applicable)
- Work with DevOps pipelines to support fast and reliable delivery
Qualifications
- Bachelor’s or Master’s degree in Computer Science, Engineering, or related field
- 4+ years experience as a Software Engineer / Full Stack Developer
- Strong experience in .NET (C#), ASP.NET Core, Web APIs
- Hands-on experience with Flutter or Xamarin (must-have requirement)
- Experience working with Azure or similar cloud platforms
- Strong understanding of Agile / Scrum delivery methodologies
- Good problem-solving skills and attention to detail
- Strong communication and collaboration skills
- Experience working in cross-functional product teams
What’s in it for you
- Competitive salary and benefits package
- Opportunity to work across web, cloud, and mobile engineering
- Learning and development support for emerging technologies
- Exposure to modern engineering practices including microservices and CI/CD
- Collaborative, fast-paced engineering culture
- Opportunity to shape mobile-first digital products at scale
Senior Cross-Platform Engineer (.NET + Mobile) in Croydon employer: Superdrug
Join a dynamic and innovative team in East Croydon, where we prioritise collaboration and continuous improvement in delivering cutting-edge digital products. As a Senior Cross-Platform Engineer, you will benefit from a competitive salary, a supportive learning environment, and the opportunity to work with modern technologies across web, cloud, and mobile platforms. Our culture fosters creativity and ownership, allowing you to make a meaningful impact on user experiences while growing your skills in a fast-paced, Agile setting.
StudySmarter Expert Advice🤫
We think this is how you could land Senior Cross-Platform Engineer (.NET + Mobile) in Croydon
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry, attend meetups, and engage with online communities. You never know who might have the inside scoop on job openings or can refer you directly.
✨Tip Number 2
Show off your skills! Create a portfolio showcasing your projects, especially those involving .NET, Flutter, or Xamarin. 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 common technical questions and coding challenges. Practice makes perfect, so consider mock interviews with friends or use platforms that offer coding exercises.
✨Tip Number 4
Don’t forget to apply through our website! We love seeing candidates who are genuinely interested in joining our team. Tailor your application to highlight your experience with cross-platform development and agile methodologies.
We think you need these skills to ace Senior Cross-Platform Engineer (.NET + Mobile) in Croydon
Some tips for your application 🫡
Tailor Your CV:Make sure your CV highlights your experience with .NET, mobile technologies like Flutter or Xamarin, and any cloud platforms you've worked with. We want to see how your skills align with our needs, so don’t be shy about showcasing relevant projects!
Craft a Compelling Cover Letter:Your cover letter is your chance to shine! Share your passion for building customer-focused digital products and how you’ve tackled real-world problems in your previous roles. Let us know why you’re excited about joining our collaborative team.
Showcase Your Problem-Solving Skills:In your application, highlight specific examples where you’ve solved complex technical issues or improved processes. We love engineers who take ownership and drive quality, so let us see your thought process and results!
Apply Through Our Website:We encourage you to apply directly through our website for the best chance of getting noticed. It’s super easy, and you’ll be one step closer to joining our innovative team working on exciting projects!
How to prepare for a job interview at Superdrug
✨Know Your Tech Stack
Make sure you brush up on your .NET, C#, and mobile frameworks like Flutter or Xamarin. Be ready to discuss your past projects and how you've used these technologies to solve real-world problems. This will show that you’re not just familiar with the tools, but you can also apply them effectively.
✨Showcase Your Collaboration Skills
Since the role involves working closely with product managers, designers, and other engineers, be prepared to share examples of how you've successfully collaborated in cross-functional teams. Highlight any Agile methodologies you've used and how they contributed to project success.
✨Prepare for Problem-Solving Questions
Expect to face technical challenges during the interview. Brush up on your troubleshooting skills and be ready to walk through your thought process when resolving complex issues. This will demonstrate your analytical abilities and how you approach problem-solving in a fast-paced environment.
✨Understand the Company’s Vision
Research the company’s products and their impact on users. Be ready to discuss how you can contribute to their mission of building customer-focused digital products. Showing that you align with their values of innovation and quality will set you apart from other candidates.
