Senior Software Engineer - .NET Core, Blazor, SQL Server

Haystack United Kingdom
Remote
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AI Summary

Join a tech-driven not-for-profit organisation tackling one of the world's most pressing health challenges. As a Senior Software Engineer, you'll evolve and scale their bespoke platform using .NET Core, Blazor, and SQL Server technologies. You'll contribute to architecture, UX, and security decision-making.

Key Highlights
Evolving and scaling a bespoke platform
Contributing to architecture, UX, and security decision-making
Collaborating with an agile team
Key Responsibilities
Develop and maintain robust internal and external systems
Design secure, scalable, and efficient relational databases
Take ownership of projects from analysis to deployment
Technical Skills Required
.NET Core C# SQL Server Blazor Razor Pages EF Core HTML CSS JavaScript jQuery
Benefits & Perks
Competitive salary of £50,000 - £60,000
Company pension
25 days holiday + bank holidays
Fully remote (UK-based) with flexible working arrangements

Job Description


Senior Software Engineer - .NET Core, Blazor, SQL Server | United Kingdom | Remote | £50,000 - £60,000

We're working with Applause IT Recruitment on this exciting opportunity.

Join a highly impactful, tech-driven not-for-profit organisation tackling one of the world's most pressing health challenges. As a Senior Software Engineer, you'll evolve and scale their bespoke platform, powered by cutting-edge .NET Core, Blazor, and SQL Server technologies, making a global impact by distributing tens of millions of life-saving resources annually.

The Role

  • Develop and maintain robust internal and external systems using .NET Core, Blazor, and SQL Server
  • Design secure, scalable, and efficient relational databases
  • Take ownership of projects from analysis to deployment, collaborating with an agile team on tech and process improvements
  • Contribute to architecture, UX, and security decision-making, occasionally mentoring junior developers

What You'll Need

  • 5+ years of experience with .NET Core, C#, SQL Server
  • Proficiency with Blazor, Razor Pages, and EF Core
  • Strong front-end skills including HTML, CSS, JavaScript/jQuery, and responsive design
  • Solid understanding of web security, application architecture, database design, and Git for modern deployment workflows

What's On Offer

  • Work with purpose – your code directly supports millions of people worldwide
  • Join a focused, collaborative, and mission-driven remote-first team
  • Fully remote (UK-based) with flexible working arrangements
  • Competitive salary of £50,000 - £60,000, company pension, and 25 days holiday + bank holidays

Apply via Haystack today!


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