Software Development Engineer I (SDE I) - Backend (.NET)
Confirmed on the employer's own hiring board on Nov 14, 2026. First seen by Alion on Nov 2, 2026. McDonald's scores A on the Alion truth index.
Company Description
McDonald’s growth strategy, Accelerating the Arches, encompasses all aspects of our business as the leading global omni-channel restaurant brand. As the consumer landscape shifts we are using our competitive advantages to further strengthen our brand. One of our core growth strategies is to Double Down on the 3Ds (Delivery, Digital and Drive Thru). McDonald’s will accelerate technology innovation so 65M+ customers a day will experience a fast, easy experience, whether at one of our 25,000 and growing Drive Thrus, through McDelivery, dine-in or takeaway.
McDonald’s Global Technology is here to power tomorrow’s feel-good moments.
That’s why you’ll find us at the forefront of transformative technology, exploring new and innovative ways to serve our millions of customers and spread happiness one delicious Hot Fudge Sundae-dipped fry at a time. Using AI, robotics and emerging tech, we’re digitizing the Golden Arches. Combine that with our unparalleled global scale, and we’re reshaping all areas of the business, industry and every community that is home to a McDonald’s restaurant. We face complex tech challenges every day. But that’s where our diverse and talented teams come in. They’re made up of the best and brightest from all over the globe, and they thrive in the space where feel-good meets fast-paced.
Our Global Mexico City Office will be a hub for technology innovation and operational support to help us build the solutions that will improve our customer, crew and employee experience each and every day.
Department Overview
As a Software Development Engineer I (SDE I), you will contribute to the development, maintenance, and modernization of enterprise applications that support McDonald's Ordering Orchestration platform.
Working alongside experienced engineers, you will build technical expertise while developing secure, scalable, and maintainable software solutions. This role provides the opportunity to work with modern technologies while gaining exposure to enterprise software engineering practices that support millions of users worldwide.
The ideal candidate is eager to learn, enjoys solving technical problems, and is motivated to grow into an independent software engineer.
Duties
Develop and maintain enterprise applications using C# and the .NET ecosystem.
Implement features, enhancements, and bug fixes under the guidance of senior engineers.
Build and maintain RESTful APIs and backend services.
Contribute to the maintenance and modernization of applications built on .NET 10.
Write clean, maintainable, and well-tested code following established engineering standards and best practices.
Troubleshoot application issues with support from senior engineers.
Participate in code reviews and incorporate feedback into future development.
Collaborate with Product Owners, QA Engineers, Architects, and Software Engineers across global teams.
Participate actively in Scrum ceremonies, including Sprint Planning, Backlog Refinement, Daily Stand-ups, Sprint Reviews, and Retrospectives.
Support production environments when needed under the guidance of senior engineers.
Continuously improve technical skills through mentoring, collaboration, and self-learning.
Qualifications
- Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related field (or equivalent professional experience).
- 1+ years of professional software development experience using C# and .NET (internships or equivalent experience may be considered).
- Experience with C# and Object-Oriented Programming (OOP).
- Basic understanding of .NET 8/10.
- Familiarity with REST API development.
- Familiarity with cloud-native development concepts.
- Basic understanding of software design principles and Dependency Injection.
- Familiarity with Git version control.
- Strong analytical and problem-solving skills.
- Willingness to learn enterprise software engineering practices.
- Experience working within Agile teams using Scrum.
- Strong communication and collaboration skills.
Preferred Qualifications
- Exposure to applications built on .NET 8/10 and enterprise legacy systems.
- Familiarity with authentication and authorization concepts.
- Exposure to cybersecurity best practices and secure coding principles.
- Experience with AWS DevOps or GitHub.
- Familiarity with CI/CD concepts.
- Experience working in Agile environments using Scrum methodology.
- Exposure to production support or troubleshooting.
Soft Skills
- Strong willingness to learn and grow.
- Ownership and accountability for assigned work.
- Good analytical and problem-solving skills.
- Strong collaboration and teamwork.
- Effective written and verbal communication.
- Adaptability in a fast-paced environment.
- Continuous learning mindset.
- Attention to detail.
What Success Looks Like
Successful engineers in this role are able to:
- Deliver assigned features and bug fixes with high quality.
- Learn and apply engineering best practices.
- Understand existing systems before implementing changes.
- Collaborate effectively with teammates and incorporate feedback.
- Develop confidence troubleshooting application issues.
- Continuously improve technical knowledge and software engineering skills.
- Progress toward independently delivering medium-complexity features and growing into an SDE II.
- Contribute to the modernization, security, and stability of McDonald's Order Orchestration platform
Additional information
At McDonalds we are People from all Walks of Life...
People are at the heart of everything we do, and they make the McDonalds experience. We embrace diversity and are committed to creating an inclusive culture that means people can be their best authentic self in our restaurants and offices, which helps us to better serve our customers. We have a strong heritage of diversity and representation within our communities, which we are proud of. The diversity of our people, customers, Franchisees, and suppliers gives us strength.
We do not tolerate inequality, injustice, or discrimination of any kind. These are hugely important issues and a brand with our reach and relevance means we have a very meaningful role to play.
We also recognise our responsibility as a large employer to continue being active in our communities, helping to develop skills and drive aspirations that will help people to be more aware of the world of work and more successful within it, whether with McDonalds or elsewhere.