Senior Software Developer (.NET/C#)

  • Dublin
  • Permanent
  • Fri Oct 10 15:58:12 2025
  • 188984

Senior Software Developer (.NET/C#)

Location: Dublin, Ireland

Job Type: Full-Time | Permanent| Hybrid

Salary: €80,000 – 90,000

About the Role:

A well-established SaaS company is seeking a Senior .NET Software Developer to join its growing engineering team in Dublin. In this role, you’ll help design and build an eCommerce platform, supporting large-scale, high-availability services used by customers around the world.

You’ll focus on backend development using .NET/C#, integrating with third-party billing and identity providers, and delivering secure, scalable APIs in a modern Azure/AWS cloud environment.

Key Responsibilities:

  • Design, develop, and maintain backend services using .NET/C# (.NET 6 or later).
  • Build and consume RESTful APIs for internal services and third-party integrations (billing, authentication, messaging).
  • Implement and maintain secure, high-performance services in Azure and/or AWS.
  • Work with product and architecture teams to deliver scalable solutions aligned with business needs.
  • Contribute to CI/CD pipelines and support a DevOps-friendly engineering culture.
  • Document services, integration points, and architecture decisions clearly and concisely.

What You’ll Bring:

  • 6+ years of hands-on experience in backend software development with .NET/C#.
  • Strong understanding of web APIs, integration patterns, and cloud-native development.
  • Proficiency with Azure and/or AWS, particularly with services like App Services, Functions, API Gateway, or messaging queues.
  • Experience working with billing systems (e.g., Maxio, Chargebee) and/or identity providers (OAuth2, OpenID Connect, SSO).
  • Familiarity with DevOps tools and practices — CI/CD (Azure DevOps or GitHub Actions), IaC, monitoring, logging.
  • Understanding of microservices architecture and event-driven design principles.
  • Solid grasp of application security, authentication, and authorization.
  • Strong communication and collaboration skills within cross-functional Agile teams.

Tech Stack Highlights:

  • Languages/Frameworks: C#, .NET 6+, REST APIs
  • Cloud: Azure and/or AWS
  • Data: SQL Server, cloud databases
  • Tools: Azure DevOps, Git, CI/CD, Docker, Kubernetes (nice to have)

Interested? Please apply below. Any questions – contact Joseph in Reperio Human Capital.

Reperio Human Capital acts as an Employment Agency and an Employment Business.