.NET Developer

Avanti

Posted 15 hours ago, valid for 11 days

Sheffield, South Yorkshire S5 8DP

£48 per hour

Full Time

Retirement Plan

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.NET Developer - Sheffield - Up to £48k + Bonus Location: Sheffield (Hybrid - 4 days/week in office for first 6 months, then 2 days/week)Salary: £38,000 - £48,000 DOE + Bi-Annual Bonuses (typically £3-4k)Hours: 35-hour week (Mon-Fri, 9am-5pm)Type: Permanent

Avanti Recruitment is partnering with a long-established software development company based in Sheffield, with over 20 years’ experience building bespoke operational systems for secure and specialist environments. Known for their tailored software solutions and long-term client relationships, their tech is used in high-stakes, real-world settings.

Unlike many dev roles, their team is directly involved with clients throughout the full software lifecycle - from initial scoping and proposal through to testing and release.

The Role

You’ll be joining a tight-knit dev team as part of a key modernisation project to migrate their core booking and ticketing system from .NET Framework (including some legacy VB.NET) to modern .NET Core. This system sits at the heart of the business and is critical to daily operations, making this a high-impact role from day one.

It’s an ideal opportunity for someone who wants ownership, variety, and meaningful interaction with end users.

Key Responsibilities

Work directly with clients to gather and clarify requirements
Develop bespoke software using .NET and C#
Write documentation and support release coordination
Collaborate closely with the wider development team

Essential Skills

Solid experience with .NET and C#
SQL Server
API development
Driving license and access to a car
Eligible for UK Government SC Clearance

Desirable (Not Essential)

Exposure to Angular or Node.js
Azure experience
Any VB.NET knowledge (for migration context)

Hybrid Working

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

Benefits

£35,000 - £48,000 depending on experience.

Bi-annual performance bonus (last year averaged £3-4k per developer)
24 days holiday + bank hols + full Christmas-to-New-Year shutdown
Private medical insurance
Nest pension scheme
Paid overtime (never expected)
Strong focus on work-life balance

Interview Process

1-hour technical interview face-to-face at the Sheffield office