.NET Developer

We are looking for an experienced .NET Developer responsible for designing, developing, and maintaining scalable applications for our clients.

About Devapo

At Devapo, we focus on continuous self-development and acquiring new knowledge. We believe that staying ahead in the rapidly evolving tech landscape requires innovation and expertise. If you are a fast learner, want to participate in international projects, are a team player, and can work independently — join us!

We provide our clients with more than just code — we want to equip them with tools that allow their businesses to flourish. We work with renowned companies across various industries, delivering bespoke software solutions through our agile methodology and expertise in modern technologies. Our clients' success is our success, which is why we ensure that everyone who creates Devapo has a long-term goal in mind.

Key Responsibilities

Design, implement, and maintain scalable web applications using .NET Framework / .NET Core

Develop and optimize backend and frontend solutions using ASP.NET MVC / Web API and modern JavaScript frameworks

Work with databases (SQL Server, Entity Framework) and implement efficient database solutions

Collaborate with development, testing, and business teams to deliver high-quality software

Monitor application performance and implement improvements

Implement security standards and best programming practices

Research and evaluate new technologies in the .NET ecosystem

Requirements

Minimum 4 years of experience in a .NET Developer role or similar position

Strong knowledge of C# and .NET Framework / .NET Core

Experience in building web applications using ASP.NET MVC / Web API

Proficiency in SQL and experience with databases (SQL Server, Entity Framework)

Experience in creating and integrating REST APIs

Knowledge of modern frontend technologies (JavaScript, HTML5, CSS3)

Knowledge of design patterns and good programming practices

Experience with version control systems (Git)

Nice To Have

Experience with Azure DevOps and CI / CD pipelines for .NET applications

Knowledge of cloud technologies (Microsoft Azure)

Experience with JavaScript frameworks (Angular, React, Vue.js)

Knowledge of Docker and application containerization

Microsoft certifications (.NET, Azure)

Experience with microservices and distributed architecture

Knowledge of automated testing tools (xUnit, NUnit, MSTest)

What We Offer

Salary : 90 zł / h – 120 zł / h (B2B contract)

Private medical care and a Multisport card

Language classes (English)

Flexible working hours and the possibility of hybrid work (Warsaw)

Team integration meetings and company events

Employee referral program with a bonus

An individually tailored career development path