C# Software Engineer

Nexus Jobs Limited; Polska; Hybrid; PLN 161,000 - 282,000; Full time

Job summary

Nexus Jobs Limited in Krakow, Poland seeks a C# Software Developer to join a Global Client project. You will develop robust backend services using C# and .NET Core, ASP.NET Web API, and modern testing practices.

You will work in an Agile, cross-functional team, with remote flexibility, strong emphasis on clean code, SOLID principles, and collaborative problem solving.

Qualifications

• 3–5 years of C#/.NET development experience.
• Strong knowledge of C# and .NET Core, ASP.NET Web API.
• Experience with TDD and unit testing.
• Experience with Git and Visual Studio.
• Familiar with Agile development and cross-functional teams.
• Strong communication and self-driven work ethic.
• Polish-speaking is a plus.

Responsibilities

• Develop robust back-end services using C#/.NET Core and Web API.
• Write clean, modular code following SOLID principles.
• Collaborate with cross-functional teams in an Agile environment.
• Communicate complex technical issues to stakeholders clearly.
• Ensure quality through testing, debugging, and performance tuning.
• Contribute to architecture decisions and system design.

Skills

C# and .NET Core

ASP.NET Web API

OOP & SOLID

Unit tests / TDD

Git

Visual Studio

Agile

Communication skills

Self-motivation

Teamworking

Tools

Docker

Snowflake

SQL

Python

Open XML SDK

DevOps

HTML/CSS/JS

Job description

C# Software Developer

We have several positions in Krakow Poland for a Global Client that require C# .Net Software Engineers with at least 3 to 5 years experience.

Essential skills and characteristics:

• Senior-level knowledge of C# and .NET Core
• Experienced with ASP.NET (Web API)
• Knowledge of OOP, SOLID principles, clean code
• Knowledge of using unit tests and familiarity TDD approach
• Knowledge of Git

• Experience in coding and debugging in Visual Studio

• Ability to work in an Agile environment
• Strong communication skills
• Self-driven; Being able to work independently
• Self-organized
• Self-efficient
• Strong teamworking skills

Good-to-have skills and characteristics:

• Open XML SDK for office
• Dev Ops skills
• Experience with docker
• Snowflake
• SQL
• Python
• Basic frontend dev (HTML, CSS, JS).

Other skills:

• Work in a highly collaborative environment with cross-functional teams on projects ranging from a few months to a few quarters in length
• Clearly and concisely communicate highly technical challenges and solutions to stakeholders and non-technical team membersMaintain high standard of quality as you creatively and strategically problem solve throughout the product delivery process
• Be able to effectively communicate your work with both technical and non-technical peers
• Build solid back-end architectures that integrate easily with other systems and technologies
• Understand design patterns and write reusable, modular code
• Have a superior attention to detail and a strong ability to Q/A one’s own work required, including cross-browser and cross-platform displays and performance
• Experience in testing and debugging applications
• Performance tuning, improvement, balancing, usability, automation
• Polish-speaking is a big advantage

Rate will be Euros 200 to 350 per day.

The position will be based in Krakow Poland – with an element of remote work.