- Remote, Ukraine
- Remote
- Full-time · Senior
- 5+ years
Lead backend and mobile development for Nayax’s Monyx Wallet, implementing new features, APIs, and payment flows in .NET and Flutter.
Responsibilities
- Implement changes, new features and bug fixes in the existing backend (.NET / ASP.NET Core)
- Design, extend and document REST APIs for the mobile app
- Work with relational databases: schemas, efficient queries, migrations
- Refactor legacy code and improve performance, reliability and maintainability of services
- Implement authentication and authorization and handle sensitive and payment data securely
Requirements
- Bachelor's degree in Computer Science or related field
- Nice to have: AI coding assistants
- Nice to have: Fintech
- Nice to have: Payments
- Nice to have: POS