Jobtailor
Austria / Global
Austria / Global
Design, build, and maintain C#.NET applications and services for brokerage and voucher card platforms
Translate complex business and regulatory requirements, including MiCAR and financial transaction flows, into technical designs
Use AI coding tools to accelerate development while owning code quality, architecture, and edge-case handling
Review and evaluate AI-generated code for correctness, security, and business-logic accuracy
Architect and maintain integrations with external partners, payment providers, and blockchain/crypto infrastructure
Identify and proactively address performance bottlenecks, security risks, and scalability issues
Mentor developers on technical best practices and responsible AI-tool usage
Collaborate with product owners and compliance stakeholders to meet EU regulatory standards
Write and maintain clean, documented, testable code
Champion engineering practices across the team
Participate in code reviews, architecture discussions, and sprint planning
Own architecture and business logic for critical platform components
Requirements
5+ years of professional experience in C#.NET development
Experience with ASP.NET Core, .NET 9/10, and Blazor
Strong grasp of object-oriented programming and clean architecture principles
Experience designing and maintaining complex, business-critical systems
Solid understanding of SQL Server, PostgreSQL, or similar databases
Experience with REST API design
Knowledge of cloud infrastructure; AWS preferred
Comfortable using AI coding assistants daily
Strong analytical skills and ability to understand complex business logic
Excellent communication skills
Fluency in English required
German is a plus
Experience with fintech, payments, or crypto/blockchain systems is a plus
Familiarity with security best practices and financial-software regulatory considerations is a plus
Based in Austria or Switzerland
Open to occasional travel between offices
Interest in working from the office once a week
Self-driven, detail-oriented, and comfortable owning decisions in a fast-moving environment
Core Competencies
Demonstrates expertise in C#.NET application development, including architecture and integration with external systems, while ensuring compliance with EU regulatory standards. Proficient in mentoring teams on best practices and leveraging AI tools for efficient coding.
Highest-signal resume keywords
C#.NET Development
ASP.NET Core
REST API Design
SQL Server
Cloud Infrastructure
Hard Skills
C#.NET Development
ASP.NET Core
Blazor
Object-Oriented Programming
SQL Server
PostgreSQL
REST API Design
AI Coding Tools
Performance Optimization
Security Best Practices
Soft Skills
Analytical Skills
Excellent Communication
Detail-Oriented
Self-Driven
Mentoring
Industry Keywords
Fintech
Payments
Crypto
Financial Software Regulatory Considerations
EU Regulatory Standards
Tools & Technologies
AI Coding Assistants
Cloud Infrastructure
Blockchain
Payment Systems
#J-18808-Ljbffr
Austria / Global
Austria / Global
Austria / Global
at / Global
at / Global
Austria / Global