Senior C# /.NET Developer

About the Position

Senior C# /.NET Developer

Location: Warsaw, Poland

Remote: Yes

Employment Type: Permanent contract & B2B

We are looking for an experienced Senior C# /.NET Developer to join our Retail Media team in Warsaw, Poland. This role involves working on a project for a global player in the Retail Media industry, creating large advertising systems and platforms for e-commerce.

Responsibilities

• Design and develop scalable API solutions
• Collaborate with a 6-person team to build a Core User Platform from scratch
• Integrate new APIs for external partners
• Architect and support entire solutions from the beginning
• Provide end-to-end features using Angular and TypeScript
• Ensure robust testing practices (Unit, Integration, BDD) and CI/CD
• Communicate directly with the client in fluent English

Requirements

• Proficiency in C# and .NET (focus on scalable API)
• Experience with Angular and TypeScript
• Strong background in Unit Testing, Integration Testing, BDD, and CI/CD
• Fluent English for direct client communication
• Ability to work independently and tackle business problems effectively

We Offer

• Competitive salary: 120 zł - 140 zł per hour
• Remote work options
• Opportunity to work on cutting-edge projects in the Retail Media sector

About the Company

MARGO is a leading company in the Retail Media industry, providing innovative solutions for e-commerce advertising platforms. We value collaboration, innovation, and professional growth.

Apply now to join our team and contribute to exciting projects in the Retail Media space!