Senior Engineer (C#)

Location: New York City, NY; on-site in the office 5 days a week

Salary: $180,000–$275,000 per year plus equity

Company

hirify.global is an AI frontier lab building large action models and world models for virtual and physical environments, supported by Medal, a gaming platform for capturing and sharing gameplay clips.

What you will do

• Develop and maintain the core Windows recorder that captures, encodes, and records gameplay on user machines.
• Build and maintain game integrations supporting features such as automatic clipping.
• Design and architect maintainable solutions across capture, hooks, encoding, and integrations.
• Introduce interfaces, testing practices, code review standards, documentation, and other guardrails that enable safe contributions.
• Collaborate with engineers from game integrations, frontend, and internship teams while sharing knowledge and reducing single points of failure.
• Profile production performance, use usage metrics and A/B testing, and take ownership of end-to-end feature quality.

Requirements

• 5+ years of C# experience in performance-critical contexts.
• Strong software engineering experience designing and architecting systems that teams can maintain and extend.
• Experience improving existing codebases through clear interfaces, testing, code reviews, and documentation.
• Good understanding of the Windows operating system and production code performance.
• Collaborative, ownership-oriented approach with strong attention to detail.
• Willingness to work in person in the New York City office 5 days a week.

Nice to have

• C/C++ experience in performance-critical contexts.
• Graphics API experience, especially DX11, DX12, or Vulkan.
• Reverse engineering, hooking, injection, game engine, or modding experience.
• Frontend experience for occasional full-stack work.
• Passion for games and gaming communities, including familiarity with Discord and similar products.

Culture & Benefits

• Comprehensive medical, dental, and vision coverage.
• 401(k), fertility and parental benefits, and generous paid time off.
• Daily meals, wellness, and commuter benefits at the New York City headquarters.
• Learning and development stipend.
• Collaborative work alongside the product team with regular knowledge sharing.