Avanti Recruitment is partnering with a Sheffield-based software development company with over 20 years of expertise building operational systems for secure and specialist environments. Their technology is used in critical, real-world settings with long-term client relationships built on tailored solutions.

You'll join their development team to lead the modernisation of their core booking and ticketing system, migrating from .NET Framework and legacy VB.NET to modern .NET Core. This system is central to their business operations, making this a high-impact role from day one.

Technical Development:

Migrate core systems from .NET Framework/VB.NET to .NET Core
Develop bespoke software solutions using .NET and C#
Build APIs and integrate with existing operational systems

Client Interaction:

Work directly with clients to gather and clarify requirements
Collaborate throughout the full software lifecycle from proposals to deployment
Write documentation and coordinate release management

Essential Skills

Strong .NET and C# experience
SQL Server proficiency
API development experience
UK Driving License and vehicle access
Eligible for UK Government SC Clearance

Desirable Skills

Angular or Node.js exposure
Azure cloud experience
VB.NET knowledge (helpful for migration work)

Working Arrangements

First 6 months: 4 days/week in Sheffield office
Ongoing: 2 days/week in office

Benefits

Salary: 35,000 - 48,000 based on experience
Performance bonus: Bi-annual (last year averaged 3-4k per developer)
Holiday: 24 days + bank holidays + full Christmas shutdown
Additional: Private medical insurance, Nest pension, paid overtime (never expected)

Avanti Recruitment

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