Senior C#.NET Architect – AI-Driven Fintech Platform

Cryptonow; Österreich; Hybrid; EUR 90.000 - 130.000; Vollzeit

Benefits dieser Stelle

Ownership over architecture

Hybrid/office flexibility

Vienna or Baar offices

Competitive compensation

Professional growth

Zusammenfassung

Cryptonow is seeking a senior C#.NET developer to own the architecture and business logic behind critical parts of our brokerage and voucher card platforms. You will collaborate with product, compliance, and other engineers to translate complex financial and regulatory requirements into robust, maintainable C#.NET systems, using AI as a multiplier, not a substitute for judgment.

This role emphasizes design, scalability, security, and external integrations with partners, payment providers, and

Qualifikationen

• Minimum 5+ years of professional C#.NET development (ASP.NET Core, .NET 9/10, Blazor).
• Strong grasp of OOP and clean architecture principles.
• Experience designing and maintaining business-critical systems beyond CRUD.
• Solid understanding of databases (SQL Server, PostgreSQL) and REST API design.
• Comfortable using AI coding assistants with judgment to override when needed.

Aufgaben

• Design, build, and maintain C#.NET applications powering our brokerage and voucher card platforms.
• Translate regulatory and business requirements (MiCAR, payments, partner integrations) into technical designs.
• Lead architecture decisions, review AI-generated code for correctness and security.
• Maintain integrations with external partners, payment providers, and crypto infrastructure.
• Mentor teammates on engineering best practices and responsible AI usage.
• Collaborate with product and compliance to meet EU regulatory standards.
• Ensure code is well-documented, testable, and adheres to high quality standards.

Kenntnisse

C#.NET development

OOP & clean architecture

AI tooling usage

Regulatory/fintech domain knowledge

Analytical communication

Tools

SQL Server

PostgreSQL

REST API design

AWS cloud

Jobbeschreibung

Cryptonow is seeking a senior C#.NET developer to own the architecture and business logic behind critical parts of our brokerage and voucher card platforms. You will collaborate with product, compliance, and other engineers to translate complex financial and regulatory requirements into robust, maintainable C#.NET systems, using AI as a multiplier, not a substitute for judgment.

This role emphasizes design, scalability, security, and external integrations with partners, payment providers, and