About the Team

We are the General Fintech Mexico team — aligned with Walmart's global vision while focused on delivering technology solutions tailored to the Mexican market. We foster an environment where technical curiosity, innovation, and continuous learning are fundamental to moving our business forward.

About the Role

As a Staff Software Engineer, you will be an individual contributor in a platform-level role. You will be responsible for driving the end-to-end delivery of the team's products on hybrid architectures, while also mentoring and coaching less experienced software engineers and defining the future technical direction of our current systems.

What You'll Do

Translate complex business processes into concrete technical implementations
Follow and act upon the established deployment pipeline
Read and interpret design diagrams, and effectively replicate that knowledge to junior engineers
Review pull requests to ensure adherence to software development best practices




Write code aligned with SOLID principles, applying appropriate design patterns for each solution
Design and develop tests across the full software development lifecycle — from unit tests to end-to-end (E2E) tests
Analyze legacy codebases and lead their transformation into modern, robust solutions

What You'll Bring

5+ years of solid, hands-on coding experience with a primary focus on the .NET and .NET Core ecosystem
Good knowledge of modern C# — including async/await patterns, LINQ, OOP, and the broader .NET framework
Knowledge about TDD, DDD and BDD
Knowledge of distributed systems and event sourcing patterns
Solid design patterns concepts
Highly collaborative mindset with a genuine curiosity to learn and explore software in depth

Nice to Have

Experience with Azure Functions
Familiarity with React
Experience with ASP.NET

📌 .NET Senior Software Engineer (Ciudad de México)
🏢 Walmart Global Tech
📍 Ciudad de México