SDE II C# Careers at McDonald's - Join the Global Technology Revolution

Are you a passionate C# developer ready to transform the world's largest quick-service restaurant chain? McDonald's Global Technology is hiring SDE II C# engineers to power Accelerating the Arches - our bold strategy doubling down on Delivery, Digital, and Drive-Thru. With 65M+ daily customers across 25,000+ locations, your code will impact millions worldwide.

Why McDonald's Global Technology?

McDonald's isn't just building apps - we're digitizing the Golden Arches using AI, robotics, and emerging technologies. Our Mexico City Capability Center (MCC) and Chicago headquarters represent the forefront of restaurant technology innovation. As an SDE II C#, you'll craft platforms that delight customers and empower 2M+ crew members daily.

Our Commercial Product & Platform team builds global solutions handling massive transaction volumes with 99.99% uptime. From real-time order processing to personalized digital experiences, your C# expertise will drive tangible business results.

Your Role as SDE II C# at McDonald's

Reporting to our Sr Engineering Manager, you'll partner with Product and Architecture teams to execute McDonald's digital transformation. This isn't corporate bureaucracy - it's a startup-like agile environment tackling the most meaningful priorities.

Core Technical Responsibilities

• Architect and implement C# .NET Core microservices processing millions of daily transactions
• Design RESTful APIs integrating with POS systems, delivery partners, and loyalty platforms
• Build resilient cloud-native applications on Azure with auto-scaling capabilities
• Leverage Domain-Driven Design patterns for complex restaurant domain models
• Implement comprehensive test suites achieving 90%+ code coverage

Day-to-Day Impact

Imagine deploying code that powers McDelivery for 10M+ monthly orders or optimizes Drive-Thru timing for 25,000 locations. Your optimizations reduce customer wait times by seconds - multiplying across millions of daily transactions into massive efficiency gains.

Technical Stack & Tools

McDonald's Global Technology runs modern enterprise architecture:

• Backend: C# .NET 8, ASP.NET Core, Entity Framework Core
• Cloud: Azure App Services, Azure Functions, Azure SQL Database
• Containers: Docker, Kubernetes (AKS), Helm charts
• CI/CD: Azure DevOps, GitHub Actions
• Monitoring: Application Insights, Prometheus, Grafana
• Databases: Azure SQL, Cosmos DB, Redis caching

Career Growth Path

SDE II represents mid-level expertise with clear senior/staff promotion paths. Top performers advance to:

• SDE III (Technical Lead)
• Staff Software Engineer
• Engineering Manager
• Principal Engineer

Our engineers publish on our Technical Blog, speak at conferences, and lead open-source contributions. Global mobility across Chicago, Mexico City, and international offices accelerates career velocity.

The McDonald's Engineering Culture

We hire diverse, world-class talent thriving in fast-paced environments where feel-good meets innovation. Daily standups, bi-weekly demos, and hackathons keep teams energized. Our engineering pods practice collective code ownership and pair programming for knowledge sharing.

Real Engineer Stories

"Joining McDonald's tech team was career-defining. I went from building internal tools to architecting systems handling Black Friday-scale traffic daily. The scale + impact is unmatched."

- Sarah K., SDE II → Staff Engineer

Interview Process

1. Technical Screen (45 min): C# coding + system design
2. Take-home (2-3 hrs): Build restaurant order API
3. Technical Deep Dive (90 min): Algorithms + architecture
4. Behavioral (45 min): Culture fit + leadership principles
5. Final: Meet engineering leadership

Locations & Work Arrangements

Primary: Chicago, IL - Modern tech campus near Magnificent Mile
Secondary: Mexico City MCC - New innovation hub
Remote-friendly for exceptional candidates

Compensation & Benefits

Competitive SDE II packages include base salary, annual bonus (15-25%), RSUs, and comprehensive benefits. Chicago COL adjustment ensures market competitiveness.

Ready to Build the Future of Fast Food?

McDonald's technology powers more daily transactions than most Fortune 500 companies. Join us to solve complex problems at global scale while spreading happiness one optimized order at a time. Apply now and help accelerate the arches!