Senior Full-Stack Engineer, .NET, ASP.NET

This is a fully remote position, open to applicants in Mexico.

📋 Description

• Develop and sustain .NET 10 Web APIs employing clean dependency injection and asynchronous programming methodologies.

• Adhere strictly to established DDD and Onion/Hexagonal hybrid architectures along with SOLID principles to ensure a decoupled codebase.

• Manage intricate SQL Server transactions, enhance query performance, and uphold versioned API contracts using OpenAPI/Swashbuckle.

• Optimize and maintain read-intensive Razor Views, View Components, and Partials.

• Implement Tailwind CSS, HTMX, or Alpine.js to create clean, responsive user interface layouts.

• Enforce conventional web patterns such as POST-Redirect-GET (PRG) and utilize antiforgery tokens for secure form submissions.

• Take charge of secure API integrations with enterprise payment systems (e.g., J.P. Morgan Chase, Stripe, Square).

• Apply rigorous application-level security measures to ensure that PII and financial data (e.g., credit card numbers) are never exposed or logged.

• Safely access cloud configurations and credentials managed through Azure Key Vault and App Services.

• Develop thorough unit, integration, and contract tests utilizing MSTest/NUnit and Playwright.

• Successfully operate as an independent contributor within an Azure DevOps (Agile/Kanban) environment.

⛳️ Requirements

• Experience: A minimum of 8 years in software development, with over 5 years focused specifically on .NET Core / ASP.NET Core (Web API & MVC Razor).

• Modern Stack: High proficiency in .NET 10 and C# 14 (Async, DI).

• Architecture: Demonstrated experience working within established DDD, Onion, or Hexagonal design patterns.

• Payment Gateways: Direct integration experience with major financial APIs (e.g., J.P. Morgan Chase, Stripe, Square).

• Web Mechanics: In-depth knowledge of SSR, the HTTP lifecycle, antiforgery tokens, and the POST-Redirect-GET (PRG) pattern.

• Data Privacy: Commitment to application-level security, ensuring that PII and credit card information are never disclosed or recorded.

• Database & Cloud: Strong expertise in optimizing SQL Server transactions alongside Azure configuration management (App Services, APIM, Key Vault).

• Execution: Proven capability to work independently as a solo contributor within Azure DevOps (Agile/Kanban).

🏝️ Benefits

• 100% Remote Work: Enjoy the flexibility of working from the location that best suits you. All you need is a laptop and a dependable internet connection.

• Highly Competitive USD Pay: Receive an exceptional, market-leading salary in USD, surpassing standard market rates.

• Paid Time Off: We prioritize your well-being. Our paid time off policies allow you the opportunity to relax and recharge when necessary.

• Work with Autonomy: Experience the freedom to manage your schedule as long as tasks are completed. Focus on outcomes rather than hours worked.

• Work with Top American Companies: Enhance your skills while collaborating on innovative, impactful projects with industry-leading U.S. businesses.