Job Specifications
Location: Cardiff (Office-based, 5 days a week)
Salary: £32,000 to £37,000 DOE + bonus
Closing Date: 26th February 2026
Start Date: Spring 2026
Ready to kickstart your career in software development?
If you've got the basics of .NET under your belt and are eager to learn from experienced developers, we'll help you build the skills to become a confident and capable professional. With a clear pathway to becoming a Senior Developer, this is the opportunity to grow, be mentored, and shape your future in tech.
At Advanced Secure Technologies, we're a fast-growing, innovative company on a mission to protect organisations from document fraud through cutting-edge security solutions. Based on site in St Mellons, Cardiff, we're expanding and need another skilled developer to help us scale. You'll work alongside experienced developers, gaining the mentoring and exposure needed to reach your next career milestone.
What You'll Do:
Develop and enhance our secure web applications using .NET 8
Apply best practices to write clean, maintainable, testable code
Collaborate with talented developers, learning from seniors while taking on more complex challenges
Share ideas, solve problems, and help shape the future of our products
Requirements
What We're Looking For:
1+ years' commercial experience in modern C# .NET development.
Strong problem-solving skills, attention to detail, and great communication.
Bonus points for:
Exposure to enterprise-scale software, microservices or SaaS product development
Knowledge of unit/integration testing, .NET Aspire, Blazor, REST APIs, EF Core, SQL, Redis, Elasticsearch, RabbitMQ, Docker or Blockchain
Familiarity with SOLID principles, Clean Architecture, general software architecture concepts, DDD, and secure coding/OWASP practices
Experience with Azure DevOps and CI/CD pipelines
Benefits
What We Offer:
Competitive salary £32,000-£37,000 (DOE) +
Monthly performance related bonus starting at £150 following induction
A clear career pathway to Developer and then Senior Developer and further beyond, with mentoring and skill development support
25 days holiday + Bank Holidays
Additional holiday gifted for exceptional dedication and performance.
Training and development time, plus training budgets for courses/exams
Free gym, free eyecare, and a fully stocked kitchen
Company car and cycle-to-work schemes
A fun, supportive culture with birthday treats and epic office events
Location/Hours:
Onsite, Eastern Business Park, St Mellons, Cardiff, Wales.
Min Hours 37.5hrs per week, 8.30am to 5pm Monday to Friday, with up to one hour for lunch.
If you're ready to accelerate your development career, gain hands-on experience with the latest Microsoft technologies, and work towards becoming a Senior Developer, apply now - we can't wait to see what you'll bring!
On Site Working:
We're an office-based team because our culture thrives on collaboration and hands-on support, especially as we grow quickly and onboard new team members. While we don't offer fully remote or fixed hybrid work, but we're flexible when life happens.
The facility has secure onsite parking options and adjacent bus stops.
Diversity & Inclusion:
Advanced Secure Technologies is an equal opportunity employer, proud of our ongoing efforts to foster diversity and inclusion. We welcome applicants from all backgrounds and process your personal data in accordance with our Privacy Notice.
About the Company
Advanced Secure Technologies merge a customer-focused mindset with extensive security knowledge to provide innovative and high-security solutions that protect organisations against fraud. Our approach ensures that our customers are free to focus on running their enterprise, with the peace of mind that Advanced Secure Technologies is protecting the organisation.
At Advanced Secure Technologies, we specialise in reducing the risks of document, process and payment fraud.
Our technologies secure the production and issuing of s...
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