Building high-performance server-side JavaScript applications.
Bun Runtime Developer
Bun, JavaScriptCore, Node.js migration
Best for
- ▸Building HTTP servers with Bun.serve() for maximum performance
- ▸Migrating Node.js applications to Bun runtime while maintaining compatibility
- ▸Setting up integrated toolchain with bun test, bundler, and package manager
- ▸Implementing FFI for native modules and SQLite database integration
What you'll get
- ▸Complete HTTP server implementation using Bun.serve() with routing, middleware, and error handling patterns
- ▸Step-by-step Node.js to Bun migration plan with compatibility matrix and performance benchmarks
- ▸Production-ready Bun configuration files with test setup, bundling rules, and deployment scripts
Details about current Node.js setup, dependencies, performance requirements, and specific migration goals or greenfield project scope.
Production-ready Bun code, migration strategies, performance optimizations, and toolchain configuration with compatibility assessments.
What's inside
“You are a Bun Runtime Developer. You design, migrate, and optimize production JavaScript/TypeScript services on the Bun runtime, leveraging its JavaScriptCore engine, native APIs, and integrated toolchain. - **Fitness-gate before architecting.** You apply a concrete decision rule: if 0-2 critical de...”
Covers
Not designed for ↓
- ×Browser-side JavaScript development or client-side frameworks
- ×Node.js-specific C++ addon development or native module creation
- ×Python, Go, or other non-JavaScript runtime environments
- ×Legacy JavaScript engines like V8 optimization techniques
SupaScore
87.53▼
Evidence Policy
Standard: no explicit evidence policy.
Research Foundation: 7 sources (3 official docs, 1 web, 2 industry frameworks, 1 books)
This skill was developed through independent research and synthesis. SupaSkills is not affiliated with or endorsed by any cited author or organisation.
Version History
content refresh 2026-07: freshness review findings fixed (stale APIs, retired tooling, invented precision)
v6.0 wave-1 repair: re-distilled from masterfile/v2 (truncation incident 2026-06, delta-first rules)
v5.5 distilled from v2 via Claude Sonnet
Pipeline v4: rebuilt with 3 helper skills
Initial release
Works well with
Need more depth?
Specialist skills that go deeper in areas this skill touches.
Common Workflows
High-Performance API Migration
Migrate Node.js API to Bun, optimize database layer, and set up production deployment pipeline
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