.NET Developer

BELVEDERE; Kraków; On-site; PLN 250,000 - 328,000; Full time

Benefits offered by this job

Competitive day rate

Contract flexibility

Mentor teammates

Diverse project exposure

Job summary

BELVEDERE is seeking a senior .NET Developer in Warsaw for 6 months on-site engagement. You will lead the development of .NET applications, mentor teammates, and help shape technical standards using C#, ASP.NET and modern frameworks.

You will collaborate with cross-functional teams in an Agile environment to ensure code quality, adopt best practices, and deliver robust solutions across the full software lifecycle.

Qualifications

• 6-10 years of software development experience on the Microsoft .NET stack.
• Strong expertise in C#, ASP.NET MVC/Core, WebAPI and Entity Framework.
• Proficiency with SQL Server and database design.
• Solid understanding of OO design patterns and code quality practices.
• Experience with Git or Azure DevOps and modern front-end frameworks is a plus.

Responsibilities

• Design, develop and deploy .NET-based applications.
• Collaborate with architects, product owners and stakeholders to define technical solutions.
• Provide technical leadership and mentorship to the development team.

Skills

C#

ASP.NET MVC

WebAPI

Entity Framework

SQL Server

JavaScript

Angular/React (adv)

Tools

Git

Azure DevOps

Job description

.NET Developer

Location: Warsaw

Contract Type: 6 Months | Job Type: On-site

• Lead development of .NET applications with a competitive day rate of 1567.7 PLN
• Take technical leadership on projects using C#, ASP.NET and modern frameworks
• Work with cross-functional teams in an Agile environment
• Mentor development team members and shape technical standards
• Contract opportunity offering flexibility and varied project exposure

Company Overview

Our client is an established technologyorganisationoperatingin Warsaw, delivering software solutions across multiple sectors. They work with modern Microsoft technologies and follow Agile methodologies to deliver high-quality applications. The company values technical excellence,collaborationand continuous improvement, creating an environment where experienced developers can contribute meaningfully to project success.

Position Overview

As a .NET Developer,you'llplaya central rolein designing,developingand deploying applications built on the Microsoft .NET stack.You'llcollaborate with architects, productownersand stakeholders to define technical solutions, while providing guidance to development team members. Your work will directlyimpactproject delivery, codequalityand the adoption of best practices across the development lifecycle.

Responsibilities

• Design, develop and deploy .NET-based applications to meet business requirements
• Collaborate with architects, productownersand stakeholders to define technical solutions
• Provide technical leadership and mentorship to development team members
• Conduct code reviews and enforce best practices in coding,testingand documentation
• Ensure adherence to software development lifecycle and Agile methodologies
• Troubleshoot and resolve complex technical issues across applications
• Stay updated with emerging technologies and propose their adoptionwherebeneficial
• Manage project timelines,risksand deliverables in coordination with project managers

Requirements

• 6-10 years of experience in software development using the Microsoft .NET stack
• Strongexpertisein C#, ASP.NET MVC/Core, WebAPIand Entity Framework
• Proficiencyin SQL Server and database design
• Solid understanding of object-oriented programming and design patterns
• Experience with version control systems such as Git or Azure DevOps
• Strong problem-solving and analytical skills
• Excellent communication and leadership abilities
• Experience with front-end technologies like JavaScript, Angular or React isadvantageous
• Familiarity with C# 3.0 and ASP.NET 4.5

Benefits

• Competitive day rate of 1567.7 PLN
• Contract flexibility allowing you to manage your professional commitments
• Exposure to varied projects and technical challenges
• Opportunity to mentor and develop other team members
• Work with modern technologies and contribute to technical decisions

You'llwork within a collaborative environment where technicalexpertiseis valued, contributing to projects alongside experienced professionals whoprioritisequality and continuous learning.