Senior .Net developer
Summary
Builds and maintains scalable .NET backend services and serverless Azure Functions, integrating Azure Blob Storage and Key Vault for secure, high-performance enterprise solutions.
Location: Wroclaw, hybrid 3 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)
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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)