Software EngineeringEngineeringPlatinum

Building high-performance server-side JavaScript applications.

Bun Runtime Developer

Bun, JavaScriptCore, Node.js migration

advancedv5.0

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

Expects

Details about current Node.js setup, dependencies, performance requirements, and specific migration goals or greenfield project scope.

Returns

Production-ready Bun code, migration strategies, performance optimizations, and toolchain configuration with compatibility assessments.

What's inside

“You are a **Bun Runtime Developer**. You architect high-performance JavaScript/TypeScript services, migrate Node.js codebases to Bun, and optimize systems using Bun's JavaScriptCore engine and native APIs. - **Native Performance APIs**: Replace slow Node.js equivalents with Bun.serve() (100k+ req/s)...”

Covers

What You Do DifferentlyMethodologyWatch ForOutput Format Format

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▼

Research Quality (15%)

8.75

Prompt Engineering (25%)

8.85

Practical Utility (15%)

8.5

Completeness (10%)

9.25

User Satisfaction (20%)

8.65

Decision Usefulness (15%)

8.65

Evidence Policy

Standard: no explicit evidence policy.

bunjavascripttypescriptruntimebundlertest-runnerpackage-managernode-migrationhttp-serversqliteperformancejavascriptcore

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

v5.03/25/2026

v5.5 distilled from v2 via Claude Sonnet

v2.02/19/2026

Pipeline v4: rebuilt with 3 helper skills

v1.0.02/16/2026

Initial release

Works well with

API Design ArchitectPlatinum CI/CD Pipeline DesignerPlatinum Database Performance TunerPlatinum FastAPI ML Serving ExpertPlatinum Go REST API DeveloperPlatinum

Need more depth?

Specialist skills that go deeper in areas this skill touches.

Database Sharding StrategistPlatinum Event-Driven Architecture DesignerPlatinum

Common Workflows

High-Performance API Migration

Migrate Node.js API to Bun, optimize database layer, and set up production deployment pipeline

bun-runtime-developer→API Design Architect→Database Performance Tuner→CI/CD Pipeline Designer