Middle Full-Stack Engineer (React/C#)

We are looking for a Middle / Mid-Senior Frontend-focused Full-Stack Software Development Engineer to join a team supporting critical source control and documentation services used by internal engineering teams and external enterprise customers. The role is approximately 80% frontend work and 20% backend plus SQL work, with a focus on React/TypeScript UI development, service integration, troubleshooting, and product improvements across repository and wiki infrastructure at large scale.

• Design, implement, and maintain frontend features for repository and wiki-related product experiences;
• Build high-quality React and TypeScript UI components and flows;
• Integrate frontend functionality with backend services and APIs;
• Support backend and SQL changes where needed as part of the 20% backend scope;
• Investigate and resolve product, performance, and reliability issues across frontend and backend touchpoints;
• Contribute to product improvements, testing, validation, and ongoing development tasks.

• Strong frontend development experience with React and TypeScript;
• Solid understanding of modern web application architecture, UI state management, component design, and frontend quality practices;
• Must have practical experiance with C# and .NET backend experience for service integration and feature support;
• Solid MS SQL experience for data access, troubleshooting, and backend-adjacent tasks;
• Ability to work across frontend-heavy product development with occasional backend and SQL ownership;
• Strong troubleshooting and problem-solving skills, with the ability to dig into issues and find practical solutions;
• Strong communication skills and B2 English minimum for interactions with client stakeholders and external customers.

• Experience with Azure DevOps or source-control-related products;
• Understanding of Git concepts or repository tooling;
• Experience with performance optimization for large-scale web applications.