Senior .Net Developer (Azure/ Full Stack Mobile)

Location: East Croydon (Hybrid working available)

Job Overview

We’re looking for a .NET Developer (Mid-Level) to join our expanding development team. The team works in an Agile (Kanban) environment, delivering customer‑focused solutions aligned to our IT strategy.

Responsibilities

• Design, develop, and maintain high‑quality, scalable software solutions
• Take ownership of features from design through to deployment and support
• Collaborate with product managers and stakeholders to define and shape requirements
• Ensure performance, security, and reliability of applications
• Conduct code reviews and promote best practices across the team
• Troubleshoot and resolve complex technical issues
• Contribute to continuous improvement of development processes and standards
• Act as the customer’s voice and support delivery of customer‑first solutions across our platforms
• Use AI tools to improve efficiency and reduce repetitive tasks
• Apply critical thinking to AI‑generated outputs and balance AI‑driven efficiency with human insight
• Design and build robust .NET / C# applications and APIs
• Work across the full stack (APIs, databases, mobile, cloud)
• Build and manage cloud‑based solutions using Azure
• Develop and maintain CI/CD pipelines with Azure DevOps
• Contribute to system architecture and technical design decisions
• Maintain clear technical documentation (architecture, APIs)
• Optimize application performance, scalability, and security
• Troubleshoot and resolve issues with minimal disruption

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field (or equivalent experience)
• At least 4 years of experience as a .NET developer or similar role
• Strong proficiency in the .NET stack (C#, APIs, backend development)
• Experience with at least one of the following (ideally both):
• Experience working across full‑stack development (APIs, databases, and/or mobile/front‑end)
• Strong problem‑solving skills and attention to detail
• Strong communication skills, with the ability to work directly with stakeholders
• Experience building or maintaining CI/CD pipelines with Azure DevOps
• Comfortable working in a small, collaborative team with end‑to‑end ownership
• Experience with Agile or Kanban methodologies (desirable)

Benefits

• 33 days holiday rising to 38 days with length of service (inclusive of bank holidays)
• Two staff discount codes for yourself and a family member or friend
• 30% discount on Superdrug Own Brand products both in store and online
• Hybrid working patterns available – 2 days working from home and 3 days in our modern office close to East Croydon Station
• Company pension matching and bonus
• Access to Wagestream – a money management app that gives you access to a percentage of your pay as you earn it
• Part of the A.S. Watson Group, the world’s largest international health and beauty retailer with over 15,700 stores in 25 markets
• Unrivaled learning and development programmes
• Enhanced maternity/shared parental/adoption leave, company sick pay and pregnancy loss and support

Legal

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