Middle Full-Stack Engineer, .NET

• Design, build, and improve React frontend experiences supporting payment flows and customer interactions
• Contribute to backend development for integrations, service coordination, and existing-system enhancements using C# and .NET
• Write, maintain, and improve automated tests
• Work with internal systems and third-party providers on payment-related integrations
• Collaborate with engineers and cross-functional partners in an iterative development environment
• Work with complex SQL queries and data flows in a high-load environment
• Implement technical improvements for payment experience, system reliability, and operational efficiency
• Translate business needs into reliable technical solutions
• Use AI-assisted development tools to support productivity and delivery
• Participate in code reviews and contribute to engineering standards

• Minimum of 3 years of professional experience in software engineering, with a front-end focus
• Proficiency in .NET frameworks, C#, and data access technologies
• Proficiency in HTML5, CSS3, JavaScript, TypeScript, and React
• Knowledge of MS SQL, including complex queries and performance-sensitive data scenarios
• Familiarity with unit and integration testing using Jest, NUnit, Playwright, React Testing Library, or similar frameworks
• Interest in learning the payments domain and understanding payment-flow business logic
• Experience with LLMs / Generative AI tools such as OpenAI, Copilot, or Cursor
• Upper-intermediate level of English or higher

• Inclusive workplace
• Equal opportunity employer
• AI Disclosure and Consent Policy regarding AI use during the hiring process