McD Tech Labs

McD Tech Labs


Senior Backend Engineer

We are currently looking for a senior backend engineer to join our core technology team! This position will focus on building, extending, and maintaining the database that holds and organizes menu data, as well as the code, APIs and ORM integrating the database into other components. This includes the database itself, its integration into the application and other services, data ingestion and validation tooling, data models, integrity constraints, migrations, and tests.


  • Coordinating with other teams at McDonald’s and data annotators to keep data accurate and up-to-date

  • Manage growing corpus of real-world application data

  • Work closely with the core technology engineers to identify and support their integration and tooling needs

  • Collaborate with the infrastructure and software engineering teams to implement and deploy any code related to data collection or management

  • Create solutions that are engineered for robustness when interfacing with complex ontologies, incomplete data, and legacy code

  • Management of complex data tables, transformations between ontologies, tests and validation rules

Required Qualifications:

  • B.S. in Computer Science, Machine Learning, Data Science, or related field

  • Experience working with SQL, embedded databases, data models and normalization, and ORM frameworks

  • 3+ years of Python experience

  • Experience in data retrieval from various sources including SQL Databases, NoSQL, and messaging systems, and efficient storage and loading of data sets

  • Knowledge of building or customizing tools for easy data inspection/validation by non-engineers

  • Familiar with a modern Linux-based development environment, including the Unix command line and Git

  • Excellent written and verbal communication skills

  • Ability to manage multiple priorities and various stakeholders

  • History of success in a fast-paced environment

  • Ability to change focus and pivot quickly

Desired Qualifications

  • M.S. in Computer Science, Machine Learning, Data Science, or related field

  • Familiarity with machine learning systems, and the underlying databases used to train and validate them

  • Past experience working with natural language data, grammars, or dialog agents

About McD Tech Labs

What We Are Building From Moonshots to ML for the Masses McD Tech Labs leverages the best of Silicon Valley’s ability to solve the unsolvable with transformational technology and the world’s most recognizable restaurant brand known for delivering innovative solutions to make delicious, feel-good moments happen for 65 million people every day. From prototype to production in staggeringly fast iterations, McD Tech Labs has designed, tested, and deployed next-generation AI-powered technology at the forefront of Silicon Valley innovation. This allows our engineers and tech leads to get their hands dirty building a product in real-time. Here at McD Tech Labs, we offer a rare opportunity to design real-world technology that is already live in the Drive Thru, reinventing the fast food experience today. So, what is this next-generation technology we’re developing? It’s McDonald’s industry-leading AI-enabled voice ordering system for the Drive Thru. Welcome to McDonald’s. What Can I Get You? McD Tech Labs is developing, testing, and deploying an AI-enabled voice system to automate the McDonald’s Drive Thru order taking experience. Combining both hardware and software and deployed at the speaker post, the automated order taker (AOT) takes customer orders in the Chicagoland area to the tune of thousands of orders daily, learning from those orders and human interactions along the way.Our AOT has the potential to revolutionize the way customers order in the McDonald’s Drive Thru and is just one way that McDonald’s pushes the boundary on innovation in the QSR space. Who We Are We love our technology, cutting-edge innovation, and solving tough AI problems. We are open to new ideas. All voices are valued in the pursuit of learning and building the best tech. We welcome everyone's voice. We invest in each other and our collective success. From pursing a degree to code pairing, we believe that we are better together. We trust each other. We hold ourselves and our teammates to a high standard. We move fast. We encourage bold moves, new ideas, and calculated risk taking. Who We Are Looking For We have openings across our Software Engineering, DevOps, QA, Data Science, Infrastructure, Machine Learning, Natural Language Processing, and Speech Recognition teams. Our ideal candidate is one who loves an ambitious challenge, is passionate about the scale of our product, and curious about the latest and greatest in the industry. At McD Tech Labs, we all have the chance to be part of a transformative product. Learn more about our open jobs and apply at (you will be redirected to a McDonald’s Corporation page). Please note that McDonald’s Corporation (and McD Tech Labs) is not related to Stack Overflow, does control the platform, and does not influence how Stack matches candidates with any jobs or other job-related information. Our Team We’re a small group of thinkers and doers who love to grow, learn, and make a big impact. Within every project we apply well-known technology and skills in unique ways, and each project provides endless opportunities to grow. Our fast-scaling work and ambitious technology aren’t the only things helping us develop our careers; our continued learning programs, career development framework, and supportive environment help everyone achieve their best.