Senior .NET Backend Engineer — Azure, SQL & CI/CD

Internetwork Expert; Województwo mazowieckie; On-site; PLN 60,000 - 90,000; Full time

Job summary

A technology services provider in Poland is seeking a senior backend engineer to design and support a .NET-based backend that processes sensitive data. The ideal candidate will have extensive experience in backend development, SQL Server optimization, and CI/CD practices with Azure DevOps. This role involves collaborating with frontend developers to create stable APIs and making pragmatic engineering decisions. A focus on production stability and data correctness is essential. Join our team to build impactful solutions in a supportive environment.

Qualifications

• Strong senior-level backend development experience with .NET.
• Proven experience supporting and operating production applications.
• Solid SQL Server expertise, including performance tuning and query optimization.
• Hands-on experience with Azure DevOps and CI/CD pipelines.
• Pragmatic mindset for adapting solutions to project realities.

Responsibilities

• Design, build, and maintain backend services for a production-grade system.
• Own and evolve SQL Server schemas and performance-critical paths.
• Build and maintain CI/CD pipelines in Azure DevOps.
• Integrate and process data from Azure DevOps for metrics generation.
• Support production applications and resolve incidents.

Skills

Backend development with .NET

Production application support

SQL Server performance tuning

CI/CD with Azure DevOps

Practical Azure cloud experience

Working with sensitive data

Tools

Azure DevOps

SQL Server

Azure

Angular

Job description

A technology services provider in Poland is seeking a senior backend engineer to design and support a .NET-based backend that processes sensitive data. The ideal candidate will have extensive experience in backend development, SQL Server optimization, and CI/CD practices with Azure DevOps. This role involves collaborating with frontend developers to create stable APIs and making pragmatic engineering decisions. A focus on production stability and data correctness is essential. Join our team to build impactful solutions in a supportive environment.