Bun Runtime Developer

Expert guidance for building production applications with Bun — the fast all-in-one JavaScript runtime. Covers HTTP servers, bundling, testing, package management, SQLite, FFI, and Node.js migration strategies.

Gold

v1.0.00 activationsSoftware EngineeringEngineeringadvanced

SupaScore

83.85

Research Quality (15%)

8.2

Prompt Engineering (25%)

8.5

Practical Utility (15%)

8.7

Completeness (10%)

8.3

User Satisfaction (20%)

8.4

Decision Usefulness (15%)

8.1

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
▸Optimizing JavaScript/TypeScript applications for JavaScriptCore performance

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

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

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.

Evidence Policy

Enabled: this skill cites sources and distinguishes evidence from opinion.

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

v1.0.02/16/2026

Initial release

Works well with

API Design ArchitectPlatinum CI/CD Pipeline DesignerGold Database Performance TunerPlatinum FastAPI ML Serving ExpertGold Go REST API DeveloperGold

Need more depth?

Specialist skills that go deeper in areas this skill touches.

Database Sharding StrategistGold Event-Driven Architecture DesignerGold

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

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