Senior Full Stack Developer - AI First

RethinkFirst is a behavioral health technology company hiring a Senior Full Stack .NET Developer to build cloud-based applications. The role involves designing, developing, and deploying web applications using C#, .NET, Angular, and Azure, with an AI-first approach using tools like Cursor and Claude.

• Design and build applications, micro-services, and infrastructure for the Rethink First platform.
• Ensure the performance, quality, and responsiveness of applications.
• Collaborate with a team to define, design, and ship new features.
• Identify and correct bottlenecks and fix bugs.
• Help maintain code quality, organization, and automation.
• Use AI development tools such as Cursor, Claude, and GitHub Copilot as your day-to-day toolset, and help the team get more out of them without compromising code quality or security.
• Analyze and optimize applications for efficiency and performance.
• Promote robust and maintainable code, clear documentation, and deliver high-quality work on a tight schedule.

• Bachelor's degree in Computer Science
• 5+ years’ development experience
• Proficient with C#, JavaScript, and TypeScript
• 3+ years’ experience with Azure or AWS cloud technologies.
• Experience developing and deploying IaC.
• Deep understanding of domain and event driven design.
• Knowledge of modern architecture patterns.
• Understanding of design principles, algorithms, and data structures.
• Proficient understanding of code versioning tools such as Git.
• Experience writing and automating unit tests and integration tests.
• Daily hands-on use of AI development tools such as Cursor, Claude, or GitHub Copilot as a primary part of your workflow.
• Demonstrated fluency in AI-assisted workflows — prompting effectively, reviewing and correcting AI-generated code, and knowing when not to rely on it.

• Health insurance
• Dental insurance
• Vision insurance
• Flex Paid time off
• Parental leave
• Professional development assistance
• 401K