Senior .Net Developer

Location: Wroclaw or Krakow, hybrid 3-4 days/week

About the Role

We are looking for an experienced and passionate Senior .NET Developer with strong Azure expertise to join our engineering team. In this role, you will design, develop, and enhance scalable digital products and technology services used by clients and internal teams worldwide.

You will work in a modern cloud-native environment, contribute to high-impact projects, and collaborate with cross-functional teams to build secure, reliable, and highly available enterprise solutions.

Key Responsibilities

• Design, develop, and deploy serverless applications using Azure Functions
• Build and optimize integrations with Azure Blob Storage for large-scale data handling
• Implement secure access and secrets management using Azure Key Vault
• Develop scalable backend services and APIs using .NET 6+ / .NET Core
• Apply software engineering best practices: code reviews, automated testing, and CI/CD
• Ensure security, reliability, and performance across all delivered solutions
• Troubleshoot production issues and contribute to system improvements
• Collaborate closely with cross-functional teams in an Agile environment
• Advocate for clean code, maintainable architecture, and technical excellence

Required Skills & Experience

• 7+ years of professional software development experience
• Strong hands-on experience with C# and .NET Core / .NET 6+
• Proven experience building and deploying Azure Functions (Durable Functions is a plus)
• Deep experience with Azure Storage Accounts and Blob Storage (containers, lifecycle management, access tiers)
• Strong experience with Azure Key Vault (secrets, certificates, access policies)
• Experience with other Azure services:
• Azure Service Bus
• Azure App Services / Web Apps
• Azure SQL / Cosmos DB (nice to have)
• Solid understanding of event-driven and async processing patterns
• Strong knowledge of OOP, Design Patterns, and SOLID principles
• Experience with CI/CD pipelines (Azure DevOps or GitHub Actions)
• Working knowledge of Infrastructure as Code (ARM / Bicep / Terraform) - nice to have
• Experience working in Agile / Scrum teams
• Strong analytical and problem-solving skills
• Excellent communication skills in English (Polish is a plus)