.NET Developer for Card Payments (Remote-First)

MARGO; Województwo mazowieckie; Hybrid; PLN 180,000 - 240,000; Full time

Job summary

A leading technology firm is seeking a Regular .NET Developer to work remotely while maintaining core card payment systems. This role involves developing applications, optimizing performance, and collaborating within Agile teams. Candidates should have strong skills in C#, .NET, and system integrations, with Polish at a native level. Benefits include B2B cooperation, medical care, and training support. Hourly rates are between 100 zł and 110 zł.

Benefits

Medical care

Sports card

Training and certification support

International project involvement

Integration events

Qualifications

• Commercial experience with C# and .NET is required.
• Experience with system integrations using REST and SOAP.
• Knowledge of SOLID principles and design patterns.

Responsibilities

• Develop and maintain .NET applications in the card payment domain.
• Participate in Agile/Scrum teams and code reviews.
• Integrate systems with external services.

Skills

C#

.NET Framework/Core

ASP.NET Core

Angular

WebAPI

Entity Framework

T-SQL

Git

Agile methodology

CI/CD

Tools

Docker

Kubernetes

TeamCity

Job description

A leading technology firm is seeking a Regular .NET Developer to work remotely while maintaining core card payment systems. This role involves developing applications, optimizing performance, and collaborating within Agile teams. Candidates should have strong skills in C#, .NET, and system integrations, with Polish at a native level. Benefits include B2B cooperation, medical care, and training support. Hourly rates are between 100 zł and 110 zł.