Senior Fullstack Engineer (React/.Net)

OEC is hiring a Senior Full Stack Engineer to work on both their legacy platform and a greenfield product, focusing on UI modernization and full stack development using React, .NET, and AWS.

• 5+ years of experience in full-stack roles with a strong emphasis on frontend development.
• Expertise in React and modern frontend technologies with component-driven UI architecture.
• Backend engineering experience with .NET.
• Hands-on experience with AWS is strongly preferred.
• Comfortable navigating and improving legacy codebases.
• Solid understanding and practical experience with Structured-Prompt-Driven Development (SPDD).
• Proficiency with AI-assisted development tools such as GitHub Copilot and Claude Code.
• Working knowledge of Git and modern version control practices.

• Build and ship full stack features using React on the frontend and .NET on the backend.
• Lead the migration of legacy AngularJS UI components to React within an existing Java-based codebase.
• Design and develop new product features from the ground up using .NET, React, and AWS.
• Diagnose and resolve production issues across APIs, UI layers, data, and integrations.
• Improve application performance, reliability, and operability in a cloud environment.
• Drive code quality through design reviews, PR feedback, and engineering standards.
• Partner with other engineers to break down and deliver complex cross-functional work.