SDK Engineer - C#

Responsibilities

• Design and build the official Supabase C# SDK end-to-end, including Auth, Database, Storage, Functions, and Realtime clients
• Drive API design decisions that are well-typed, consistent, and idiomatic for .NET and Unity developers
• Shape the SDK roadmap by identifying gaps, triaging feedback, and proposing improvements based on real developer needs
• Engage with the C# developer community through GitHub discussions, contribution reviews, and relationship building
• Collaborate across the SDK team to contribute shared patterns, tooling, and quality standards
• Write documentation, guides, and code samples that help developers get started quickly

Requirements

• 5+ years of experience building production applications in C# and the .NET ecosystem
• Prior experience building SDKs, libraries, or other developer-facing tools with strong API design instincts
• Comfort working across multiple programming languages and ecosystems (TypeScript, Python, or Go)
• Clear communication across technical and non-technical audiences
• Experience working in async or globally distributed teams

Preferred Qualifications

• Familiarity with Unity development and game engine ecosystems
• Experience with real-time data systems or edge computing platforms
• Active participation in open-source communities

Benefits

• Fully remote with global hiring and co-working allowance
• ESOP equity ownership for all team members
• Tech allowance for home office setup
• 100% health insurance coverage for employees, 80% for dependents
• Annual company off-sites in a new city each year
• Flexible async work environment with trust-based time management
• Annual professional development allowance for courses, books, and conferences

About the Company

Supabase is the Postgres development platform, built by developers for developers. The company provides a complete backend solution including Database, Auth, Storage, Edge Functions, Realtime, and Vector Search. Born remote and open-source-first, Supabase operates with 280+ team members across 55+ countries and serves 500,000+ community members.