Software Engineer II - .NET C#

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Date: Aug 12, 2026

Location: Mexico City, MX, 6600

Company: McDonald's Corporation

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

McDonald’s new 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. 

Leading this tech revolution is McDonald’s Global Technology organization made up of intrapreneurs who get to build really cool tech with scary smart people using the latest innovations like AI, IOT, and edge computing. We do this working along diverse, global teams who are always hungry for a challenge. It’s bonus points when you get to see your family and friends use the tech you build at their favorite McD restaurant.  

As we have matured as an engineering organization and seen the demands for technology grow exponentially, we’re gearing up to deliver on the next set of opportunities for the business. We are building up an engineering team in house accountable for our strategic products. We’ll have diverse squads made up of engineers with traditional and specialized skillsets, both from internal engineers coupled with our partners, to help us flex with demand and solve technology innovation challenges done at an incredible scale.  


Job Description 

 

McDonald’s, one of the most recognized brands in the world, is seeking a skilled Principal Engineer to own the transformation and ongoing evolution of our Point of Sale (POS) and Restaurant 

In this strategy and transformation focused role, you will partner with our Product Management and Architecture teams to define and lead all aspects of execution of the forward-looking vision of McDonald’s POS and Restaurant Technologies and the high-value transformation initiatives that will fuel our journey. Additionally, you will be the primary owner of our relationship with our 3rd party engineering vendors. 

That said, the biggest area of increase in our spending has been in technology, which is helping to drive our growth. We’re looking at how to use technology to improve the customer experience and build new customer experiences. We’re also exploring technologies that can help us reduce or eliminate repetitive tasks and make employees’ jobs more interesting and rewarding. With all the new projects and initiatives, it is an exciting time to be on the team that is helping to make a Better McDonald's!

Duties

  • Lead all aspects of development, mentoring and training of staff. 

  • As a software development engineer on a team, you will play a pivotal role in crafting the definition, vision, design, road map and development of product features from beginning to end. 

  • Design, implement, test, deploy and maintain innovative software solutions to transform service performance, durability, cost, and security. 

  • Educate and advise Senior Management, comprising resources from the Business and Functional disciplines and IT business and operations functions around data management best practices and resulting benefits, to achieve their objectives; resolve issues called out from all data management partners 

  • Work in an agile, startup-like development environment, where you are always working on the most meaningful priorities. 

Qualifications

  • Bachelor’s Degree in Computer Science or related field or equivalent years of experience.
  • Solid knowledge of Computer Science fundamentals (object-oriented design, data structures, algorithm analysis, design patterns).
  • At least 3 years of professional experience in software development, specializing in C# and .NET Core, excluding internships.
  • At least 1 year of experience contributing to the application design (architecture, design patterns, reliability and scaling) of new and current systems.
  • At least 1 year of hands-on experience with AWS (or comparable cloud platform such as GCP), including services such as Lambda, SQS, SNS, API Gateway, ECS/EKS, or equivalent.
  • Demonstrated experience designing and building RESTful APIs and microservices following industry best practices (scalability, versioning, idempotency, error handling, contract-first design).
  • Experience with asynchronous messaging patterns (e.g., Kafka, RabbitMQ, SQS) and event-driven architecture.
  • Advanced proficiency in written and spoken English is required.
  • Strong understanding of services-oriented and layered software architecture, including separation of concerns, dependency injection, and domain-driven design principles.
  • Experience with unit testing, integration testing, and static analysis tools such as SonarQube or equivalentExperience developing software within an Agile environment.
  • Strong knowledge of configuration management tools like Git, Bitbucket, Artifactory, Jira, TeamCity or similar.Experience developing and releasing software within a CI/CD environment (GitHub Actions, ArgoCD, Jenkins, or similar).
  • Familiarity with code debugging tools and strong debugging skills (call stack analysis, profiling, breakpoint evaluation, logging)
  • Strong verbal and written communication skills, are self-driven and deliver high quality results in a fast-paced environment
  • Highly quantitative with great judgment and passion for building a phenomenal customer experience.

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.