Senior .NET Developer

[J272] Senior .NET Developer - Job offer | SKM Group

Senior .NET Developer

Kraków, Office or Remote

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Senior .NET Developer

We’re looking for a Senior .NET Developer to design and build scalable backend systems using modern .NET technologies.

You’ll work on high-performance APIs, cloud-native applications, and distributed systems, with ownership over architecture, code quality, and production reliability.

Tech Stack

Backend

.NET (C#, .NET Core / .NET 6+)

Data

SQL Server, PostgreSQL

Cloud

Azure (preferred)

Infra

Docker, CI/CD

Other

REST APIs, distributed systems

What You’ll Do

• Design and build backend services and APIs using .NET (C# / .NET Core)
• Define system architecture, service boundaries, and data models
• Develop and optimize RESTful APIs for performance and scalability
• Work with relational databases (SQL Server or PostgreSQL) and optimize queries
• Implement secure, reliable services (authentication, authorization, data protection)
• Build and maintain integrations with external systems and APIs
• Deploy and operate services in cloud environments (Azure preferred)
• Set up and improve CI/CD pipelines and delivery processes
• Collaborate with frontend, data, and product teams on end-to-end solutions

What We’re Looking For

• 5+ years of experience with .NET / C# in production environments
• Strong understanding of backend architecture and distributed systems
• Experience building and scaling REST APIs
• Solid knowledge of relational databases and data modeling
• Experience with cloud platforms (Azure preferred, AWS/GCP acceptable)
• Hands-on experience with Docker, microservices, and CI/CD
• Ability to make pragmatic technical decisions and take ownership of solutions

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Nice to Have

• Experience with Azure services (App Services, Functions, Service Bus, etc.)
• Familiarity with event-driven architectures or messaging systems
• Experience with legacy system modernization or migrations
• Exposure to AI/ML integrations or data-heavy systems

What do we offer you?

• Attractive salary
• Large freedom and real influence
• No unhealthy competition, team approach to meeting challenges
• Remote-first, flexible working culture
• Company apartments in cool cities across Europe: work and enjoy a memorable getaway

About Us

We are a software house with 18 years of experience and a global portfolio of projects. We help businesses modernize, scale, and innovate through custom software solutions. Our team embraces unconventional ideas and new technologies, delivering solutions with real impact. If you value professionalism, creativity, and a strong engineering culture, you'll feel at home here.

join our team: Apply Now!

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Senior .NET Developer

Kraków, Office or Remote

4,300€ - 10,000€ / month (B2B)

Job

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E-mail Address *

Thank you! Your submission has been received!

Oops! Something went wrong while submitting the form.

Why should you join our team?

Lorem Ipsum on any aspect of the functioning of the whole and influence the direction in which we are going together. Our employees are constantly training in many areas that

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Work & travel



Training budget



Flexible working time



Private medical care

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