Senior .NET Developer

Net

Senior .NET Developer

Net
-, Kraków

ClearCourse Dev

Full-time
Senior
Hybrid

Job description

Senior .NET Developer (C# / Azure / React)

Tech Leadership | Cloud-Native SaaS | CI/CD | Architecture Ownership

 

We’re scaling rapidly and looking for a Senior .NET Developer to play a key role in designing, building, and evolving our cloud-based SaaS platform.

This is a senior, hands-on position combining technical leadership, architecture ownership, and full-stack development across modern Azure infrastructure.

 

What You’ll Own

  • Lead development and set engineering standards

  • Design scalable, high-performance cloud architecture

  • Build RESTful APIs & gRPC services using C# / .NET Core

  • Deliver secure, production-ready releases via Azure DevOps CI/CD pipelines

  • Optimise performance, scalability & database design (SQL Server 2022 / Azure DB)

  • Mentor developers and champion clean code & best practices

  • Drive Domain-Driven Design within a SaaS environment

 

Tech Stack

C# | .NET Core | REST APIs | gRPC | Entity Framework | React 19+ | Next.js 15+ | TypeScript | SQL Server 2022 | Azure (App Services Linux, Service Bus, Functions, Front Door) | Docker | Azure DevOps | CI/CD | DDD | SaaS

 

What We’re Looking For

  • 5+ years’ experience as a Senior / Full Stack .NET Developer

  • Strong cloud experience in Microsoft Azure

  • Experience with distributed systems & scalable architecture

  • Strong SQL & database performance optimisation skills

  • CI/CD pipeline ownership experience

  • Experience mentoring developers and leading technical decisions

  • Agile / Kanban environment experience


We offer:  

  • Kafeteria MyBenefit + additional private medical care  

  • Day off for your birthday

  • Pizza Tuesday  

  • KUP benefit

  • Integration meetings  

  • No dress code  

  • and much more! 

 

If you’re a senior engineer who enjoys owning architecture, leading from the front, and building scalable cloud-native systems in Azure, we’d love to speak with you.

Tech stack

    English

    B2

    .NET C#

    advanced

    gRPC

    advanced

    REST API

    advanced

    Docker

    regular

    Azure

    regular

Office location

Published: 23.02.2026

About the company

ClearCourse Dev

We’re building a brilliant business with the best products and the best people, and by integrating our software and payments platform, we’re delivering the best solution for customers.

Company profile

Senior .NET Developer

Summary of the offer

Senior .NET Developer

-, Kraków
ClearCourse Dev
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