Azure-Native Full-Stack Engineer: .NET, React & Terraform

Infinity Quest; Kraków; On-site; PLN 240,000 - 360,000; Full time

Benefits offered by this job

Fast onboarding and access to repos

Broad technical scope across backend,

Direct collaboration with architects

Job summary

Infinity Quest is seeking a seasoned fullstack developer specializing in .NET technologies to join their Kraków team. You will work across backend, frontend, database, and cloud layers, shaping architecture while delivering robust REST APIs and secure solutions.

The role emphasizes hands-on coding, collaboration with architects and product owners, and the ability to move between backend, frontend, and DevOps tasks in an agile environment. Proficiency in English is required.

Qualifications

• 5 years commercial fullstack experience with C#.NET and ASP.NET Core.
• Strong EF Core and MSSQL/Azure SQL skills including query tuning and indexing.
• Hands-on Azure experience with App Service, Storage, Key Vault, Functions, Service Bus.
• IaC experience with Terraform for multi-environment provisioning.
• CI/CD experience in Azure DevOps pipelines-as-code, releases and environments.
• Practical experience building and securing REST APIs with OAuth/JWT/Azure AD.
• Automated testing experience with xUnit, Jest, Vitest or Playwright.
• Observability with Application Insights, OpenTelemetry and structured logging.
• Good Git practices and code review discipline.
• English for technical communication at B2 level.

Skills

C#.NET

ASP.NET Core

EF Core

MSSQL

Azure SQL

REST APIs

OAuth JWT

Azure AD

Unit testing

Git workflows

Tools

Terraform

Azure DevOps

Docker

Kubernetes (AKS)

Azure

Job description

Infinity Quest is seeking a seasoned fullstack developer specializing in .NET technologies to join their Kraków team. You will work across backend, frontend, database, and cloud layers, shaping architecture while delivering robust REST APIs and secure solutions.

The role emphasizes hands-on coding, collaboration with architects and product owners, and the ability to move between backend, frontend, and DevOps tasks in an agile environment. Proficiency in English is required.