Senior Software Developer
Advanced Secure TechnologiesCardiff, United Kingdom
55000GBP - 65000GBP.NETC#AgileScrumCI/CD
Are you an accomplished senior software developer with a proven track record in .NET? Join us at an exciting time in our journey, where you ll help shape the future of our products as we modernise our enterprise applications with latest .NET technologies and event-driven SaaS microservice architecture to deliver enterprise-scale solutions.
Responsibilities
- Play a key role in the design and delivery of new features and platform improvements using .NET 10 and other modern technologies, contributing as a senior individual contributor within one of our collaborative engineering teams.
- Share ideas, solve complex technical problems, and help shape the future technical direction, architecture and engineering standards of our products.
- Take ownership of team sprint delivery, facilitating sprint activities, coordinating priorities, resolving blockers and helping ensure releases and wider project deliverables remain on track and delivered successfully.
- Support and mentor other developers through technical guidance, collaboration, code reviews and sharing best practice, while also supporting their career development and contributing to a collaborative, high-performing engineering culture.
What you bring
- Proven experience operating successfully at senior developer/engineer level within commercial software teams, making strong hands-on technical contributions as a senior individual contributor.
- 7+ years commercial experience delivering modern C# .NET solutions.
- Strong commitment to engineering best practices, including writing clean, maintainable and testable code, with experience applying unit and integration testing standards within modern development teams.
- Experience of Clean Architecture or similar modern approaches, such as hexagonal or onion architecture, beyond traditional N-tier designs.
- Strong problem-solving skills, attention to detail, excellent organisation and clear communication skills, with the ability to collaborate effectively across diverse engineering teams and the wider business.
- Experience mentoring, guiding and supporting other developers, helping them grow through collaboration, technical guidance and knowledge sharing.
Bonus points for
- Working with enterprise-scale software, microservices, event-driven architecture or SaaS product development.
- Experience with TDD, DDD, secure coding/OWASP practices, Azure DevOps, CI/CD pipelines and cloud platforms like Azure.
- Experience with some of the tech we use: .NET Blazor, EF Core, SQL, Redis, Elasticsearch, RabbitMQ, Docker, Kubernetes or Blockchain.
- Experience using AI tools to improve developer effectiveness, team productivity and the quality or speed of software delivery.
View all remote jobs at Advanced Secure Technologies →
FAQ
- Is the Senior Software Developer position at Advanced Secure Technologies remote?
- Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
- What is the salary for the Senior Software Developer role?
- The posted salary range for this position is 55000GBP - 65000GBP.
- When was this Senior Software Developer job posted?
- This listing was posted on July 2, 2026 and is still open for applications.
- How do I apply for the Senior Software Developer position at Advanced Secure Technologies?
- Use the apply button on this page — it takes you directly to the employer’s application page.
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