Junior Software Developer (ID: Me47FNHD)

Ready to Launch Your Career in Software Development? If you have a solid foundation in .NET and are excited to learn from experienced developers, this is your opportunity to grow. We’ll support you in building the skills, confidence, and experience needed to progress toward Senior Developer level and beyond.

We’re a fast-growing, innovative company dedicated to protecting organisations from document fraud through cutting-edge security solutions. Based onsite in St Mellons, Cardiff, we’re expanding and looking for a motivated developer to join our team. You’ll collaborate with experienced professionals, gaining the mentorship and hands-on exposure needed to reach your next career milestone.

What You’ll Be Doing:

• Develop and enhance secure web applications using .NET 8
• Write clean, maintainable, and testable code following best practices
• Collaborate closely with senior developers, taking on increasingly complex challenges
• Contribute ideas, solve technical problems, and help shape the evolution of our products

What We’re Looking For:

• 1+ years of commercial experience in modern C# .NET development
• Strong problem-solving skills and attention to detail
• Excellent communication and teamwork abilities
• Bonus points for experience with:
• Enterprise-scale systems, microservices, or SaaS platforms
• Unit and integration testing
• .NET Aspire, Blazor, REST APIs
• EF Core, SQL, Redis, Elasticsearch, RabbitMQ
• Docker or Blockchain technologies
• SOLID principles, Clean Architecture, DDD, and secure coding/OWASP practices
• Azure DevOps and CI/CD pipelines

What we Offer:

• Competitive salary: £32,000–£37,000 (depending on experience)
• Monthly performance-related bonus starting at £150 (after induction)
• Clear progression pathway to Developer, Senior Developer, and beyond
• 25 days’ holiday plus Bank Holidays
• Additional holiday awarded for exceptional dedication and performance
• Dedicated training time and budget for courses and certifications
• Free gym membership, eyecare support, and a fully stocked kitchen
• Company car and cycle-to-work schemes
• A supportive, fun culture with birthday treats and regular office events

Location & Hours:

• St Mellons, Cardiff, Wales (onsite role)
• 37.5 hours per week, Monday to Friday, 8:30 am–5:00 pm (with up to one hour for lunch)

Our office-based culture encourages collaboration, mentorship, and hands-on support—especially as we continue to grow. While we don’t offer fully remote or fixed hybrid working, we understand that flexibility is important when life happens.

The site includes secure parking and convenient nearby bus links.

Diversity & Inclusion:

Advanced Secure Technologies is an equal opportunity employer. We’re committed to building a diverse and inclusive workplace and welcome applications from all backgrounds. Personal data will be processed in line with our Privacy Notice.

If you’re ready to accelerate your development career, gain experience with the latest Microsoft technologies, and work towards becoming a Senior Developer, apply now — we’re excited to see what you can bring to the team.

Position: Junior Software Developer  -  Job Type: Full-Time  -  Salary: £32,000 to £37,000 per year  -  Location: Cardiff