Middle Full-Stack Engineer (.NET)

📋 Description

• Design, develop, maintain, and improve backend-focused payment solutions using C# and .NET.
• Integrate new payment processors and third-party systems to support evolving business needs.
• Contribute to payment-related flows across the lifecycle, including transactions, refunds, chargebacks, and related service interactions.
• Support ongoing refactoring and improvement of payment infrastructure to increase quality, resiliency, and maintainability.
• Write and maintain automated tests, including unit tests and, where applicable, integration tests.
• Work with complex SQL queries and data flows in a high-load environment where quality and performance matter.

🎯 Requirements

• 3+ years of backend-focused software engineering.
• Proficiency in .NET frameworks, C#, and data access technologies.
• MS SQL with complex queries and performance-sensitive data.
• Unit/integration testing with Jest, NUnit, Playwright, or RTL.
• Front-end basics: HTML5, CSS3, JavaScript, TypeScript.
• Upper-intermediate English or higher; experience with LLMs/AI tools (OpenAI, Copilot).

🎁 Benefits

• Inclusive, equal-opportunity workplace.
• Long-term growth in the payments domain.
• AI-assisted development tools to boost productivity.