Senior .Net Engineer with React and Azure

We are GFT Poland WE KNOW how to tackle complex issues with innovative approach to deliver the highest value. Our reputation has been built around one simple rule: we do not overpromise, WE DELIVER . We deliver to our employees, clients and partners. WE GROW as you grow, so investing in you is our business strategy. Caring for each other is our priority. WE CARE who you are, what you need, how you feel. WE CARE to smile, have fun and develop as human beings.

Why Choose GFT? A culture of top performance Deep tech IT engineering & consulting 1200 skilled & top-class experts 77% of the team are regular/senior Products that contribute to a sustainable world Competitive salary and benefits Ambitious projects, trainings and tools you need to flourish Google Cloud Partner of the Year - for going above and beyond for customers 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. We offer

Hybrid work in our client's office (Kraków) 6 days a month Working in a highly experienced and dedicated team Benefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.) Online training and certifications Access to e-learning platform Social events

Daily 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

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

Must have: C#, .NET, REST API, MSSQL, SQL, Microsoft Azure, Terraform, Infrastructure as Code, CD pipelines, OAuth

Nice to have: Automated testing, Git, React, Apache Spark, Module Federation, ARM