Senior .NET Developer (Backend)

TL;DR

Senior .NET Developer (Backend): Building and maintaining robust API services for field service operations with an accent on .NET 8+ architecture, PostgreSQL integration, and secure authentication patterns. Focus on delivering scalable, high-quality backend solutions, mentoring engineers, and ensuring operational resilience through observability and CI/CD best practices.

Location: Must be based in the UK (Home Based)

Company

hirify.global is a leading global assurance provider dedicated to creating a safer and more sustainable future through integrity and technical expertise.

What you will do

• Design and maintain high-quality .NET 8+ API services for audit and inspection workflows.
• Implement secure authentication and authorization using JWT and OpenFGA patterns.
• Optimize integrations with PostgreSQL and Azure-based storage services.
• Enforce observability, error handling, and versioning standards across backend features.
• Mentor engineers through code reviews, pairing, and technical leadership.
• Collaborate with cross-functional teams to ensure reliable production outcomes.

Requirements

• Must be based in the UK
• Strong commercial experience with C# 12 and .NET 8+ in production environments.
• Proven expertise in designing RESTful APIs with vertical-slice architecture.
• Hands-on experience with PostgreSQL and Entity Framework Core.
• Solid understanding of cloud-native patterns and Azure services.
• Experience with testing frameworks like xUnit, FluentAssertions, and Testcontainers.

Culture & Benefits

• Inclusive culture focused on diversity and different perspectives.
• Commitment to professional growth and technical excellence.
• Opportunity to work on complex business domains with high reliability requirements.
• Supportive environment with a focus on continuous improvement and engineering standards.