Senior .NET Developer (.NET, React)

TL;DR

Senior .NET Developer (.NET/React): Maintaining and evolving web applications with an accent on modernizing authentication flows and .NET Core migrations. Focus on redesigning authN/authZ implementations, optimizing AWS integrations, and executing version upgrades for legacy systems.

Location: Remote (Brazil)

Company

hirify.global is a tech transformation specialist uniting human expertise with AI to create scalable solutions for over 1,000 clients worldwide.

What you will do

• Maintain and improve ASP.NET / .NET Core web applications with React frontends.
• Redesign and implement modern authentication and authorization flows using OAuth2, OIDC, and JWT.
• Plan and execute .NET Core version upgrades.
• Manage integrations with AWS, MySQL, PostgreSQL, and third-party APIs.
• Implement automated testing using Playwright within CI/CD workflows.
• Collaborate with stakeholders to prioritize tasks and clarify requirements in English.

Requirements

• 5+ years of experience with .NET (C#) and web development.
• Proven expertise in authentication flows and .NET version migrations.
• Production experience with React.
• Experience with AWS and relational databases (MySQL, PostgreSQL).
• Proficiency with Bitbucket/Git and automated testing.
• Fluent English communication skills.
• Must be based in Brazil.

Nice to have

• Experience with Playwright for automated testing.

Culture & Benefits

• Comprehensive health and dental insurance.
• Meal, food, and childcare assistance.
• Profit Sharing and Results Participation (PLR).
• Continuous learning via hirify.global University and partner platforms.
• Well-being support through Wellhub (Gympass), TotalPass, and mental health platforms.
• Inclusive environment with dedicated support for persons with disabilities.