Senior Software Developer (.NET)

Join our Development team in Sheffield

The role

Egress Software Technologies are currently looking for an enthusiastic and talented software developers to join our growing team. At the forefront of the IT security and encryption industry, Egress can provide an unrivalled career path in software development.

You will be comfortable working in a small team of expert developers, taking the lead on the Web front end elements of our solutions. This team creates both desktop, web and mobile cross platform applications development for our market leading email encryption product.

Responsibilities will include:

You'll help us to; design, implement and maintain software to secure critical communication systems. Lead by example and improve our engineering practices and standards. Working collaboratively with other; Developers, QA's and Product teams to deliver shippable software that meets and exceeds customers expectations. You'll play a key part in researching new technologies that will help improve our products and services.

Your skills

We’re looking for an experienced C# Developer with knowledge of .NET framework and related technologies; 

  • Experience with one or more of the following, WPF, ASP .NET MVC, .NET Standard, .NET Core
  • Experience with Microsoft Visual Studio, Visual Studio Code
  • Habits of writing secure code and ability to audit work of other developers.

You’ll also have the chance to work with the following;

  • Azure DevOps 
  • PowerShell and/or other scripting languages
  • Experience in IIS Configuration
  • Experience with writing and consuming RESTful services
  • Docker/ Linux experience
  • Microsoft Graph API
  • Data security patterns, protocols and standards (encryption, PKI, TLS etc.) and practical implementation of these in the .NET framework
  • Authentication frameworks experience (Active Directory, ADFS, Windows Identity Foundation, LDAP, Single-sign-on)
  • Email systems, gateways, MIME, Microsoft Exchange, Exchange 365


  • 25 days annual leave
  • Monthly fully funded office socials (Trampolining, Bowling, Rounders, Sports Day, Pub Quiz, Board Games Night etc.)
  • Work hard, play hard culture
  • Invite to our company Tech Summit (3-day funded retreat)



  • BUPA Private Health Cover
  • Cycle to work discount scheme
  • Free breakfasts




  • Pension scheme
  • Childcare voucher scheme



Office details

About our Sheffield office

Our Sheffield office is conveniently located in the centre of the city's new and growing digital campus.

It's a short walk from Sheffield train station, and a shorter walk to Sheffield city centre and Sheffield Hallam's university campus.

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