Senior Backend Developer (.NET)

TL;DR

Senior Backend Developer (.NET): Building and maintaining secure enterprise-grade web platforms and APIs with an accent on Domain-Driven Design (DDD) and Onion/Hexagonal architecture. Focus on executing complex financial workflows via J.P. Morgan Chase API integrations, optimizing SQL Server transactions, and ensuring high-level data security.

Location: Remote (Global)

Company

hirify.global is a leading provider of nearshore staff augmentation services, connecting highly skilled Latin American tech professionals with industry-leading U.S. companies.

What you will do

• Develop and maintain .NET Web APIs using clean dependency injection and asynchronous programming.
• Implement and strictly follow DDD and Onion/Hexagonal hybrid architectures.
• Manage complex SQL Server transactions and maintain versioned API contracts via OpenAPI.
• Integrate secure enterprise payment ecosystems including J.P. Morgan Chase, Stripe, and Square.
• Ensure strict application-level security for PII and financial data.
• Operate as a solo individual contributor within an Azure DevOps Agile/Kanban framework.

Requirements

• 8+ years of software development experience with 5+ years in .NET Core/ASP.NET.
• Strong proficiency in .NET 10 and C# 14.
• Proven expertise in DDD, Onion, or Hexagonal architecture patterns.
• Hands-on experience integrating major financial APIs.
• Deep understanding of SSR, HTTP lifecycle, and secure web patterns like PRG.
• Strong SQL Server transaction optimization and Azure cloud configuration management.

Culture & Benefits

• 100% remote work environment.
• Highly competitive compensation paid in USD.
• Paid time off policies to support work-life balance.
• Autonomy in managing time and focus on results.
• Opportunity to work with top-tier U.S. companies on high-impact projects.
• Access to a diverse, global network of 600+ professionals across 25+ countries.