Senior .Net Consultant with React and Azure

Type of contract: B2B contract

Salary range: 125-160 PLN/H

What will you do?

Join a modernization initiative focused on transforming legacy applications into a cloud-native platform built on Microsoft Azure. You will work across backend, frontend, database, and cloud infrastructure, contributing to the design, development, migration, and continuous improvement of modern business-critical solutions. The role requires close collaboration with cross-functional teams in an Agile environment and offers opportunities to work with modern engineering practices, DevOps, and cloud technologies.

Your tasks

• Design and implement backend services and REST APIs using .NET and Clean Architecture


• Build and maintain React and TypeScript microfrontends integrated through module federation


• Develop and optimize database solutions using MSSQL and Azure SQL


• Create and maintain Infrastructure as Code using Terraform


• Build and support CI/CD pipelines in Azure DevOps


• Implement authentication and authorization solutions using Entra ID and MSAL


• Ensure application observability through monitoring, logging, and alerting solutions


• Analyze, refactor, and migrate functionality from legacy applications


• Develop and maintain automated unit, integration, API, and end-to-end tests


• Troubleshoot production issues and support deployments


• Participate in Agile ceremonies, effort estimation, code reviews, and solution design discussions

Requirements

• 5+ years of commercial experience with C# and .NET


• Strong knowledge of ASP.NET Core and REST API development


• Hands-on experience with Entity Framework Core


• Strong MSSQL and Azure SQL skills including query optimization and database design


• Practical experience with Microsoft Azure services


• Experience with Terraform and Infrastructure as Code


• Experience building CI/CD pipelines in Azure DevOps


• Knowledge of OAuth, JWT, and Entra ID authentication mechanisms


• Experience with automated testing frameworks


• Knowledge of application monitoring and structured logging solutions


• Good Git and code review practices


• Experience with React and TypeScript


• English at B2 level or higher


• openness to work hybrid from our client's office (Kraków) 6 days a month

Nice to have

• Azure Data Factory


• Databricks and Apache Spark


• Power BI


• SSRS


• Microfrontend architecture and module federation


• Docker


• Kubernetes and AKS


• Bicep or ARM templates


• Azure Service Bus


• Azure Event Hubs


• Experience modernizing legacy .NET applications


• Azure certifications such as AZ-204, AZ-400, or AZ-104


• HashiCorp Terraform Associate certification