Fractional CTO for TypeScript
TypeScript has become essential for building reliable, maintainable applications at scale. We help companies adopt TypeScript strategically, establish type patterns, and build type-safe systems across...
Expert TypeScript Leadership
TypeScript has become essential for building reliable, maintainable applications at scale. We help companies adopt TypeScript strategically, establish type patterns, and build type-safe systems across frontend and backend.
Migration: 2-6 months depending on codebase size
$15,000-$50,000 for migration projects
Why Choose Us
- Catches errors at compile time instead of runtime
- Excellent IDE support with autocomplete and refactoring
- Self-documenting code through types
- Easier onboarding for new team members
- Industry standard for professional JavaScript development
Common TypeScript Challenges We Solve
Migrating large JavaScript codebases incrementally
Establishing consistent type patterns across teams
Balancing type strictness with developer productivity
Typing complex third-party libraries
Managing generics and advanced type patterns
Setting up proper tsconfig for different environments
Integration with existing build tooling
Training teams on TypeScript best practices
TypeScript Best Practices
Enable strict mode for new projects
Use interface over type for object shapes (generally)
Leverage type inference instead of explicit typing everywhere
Implement discriminated unions for complex state
Use const assertions for literal types
Create utility types for common patterns
Set up path aliases for cleaner imports
Use branded types for domain primitives
Complementary Technologies
Scaling Considerations
TypeScript becomes more valuable as codebases grow. Consider project references for large monorepos to optimize build times.
Security Considerations
Type safety helps prevent runtime errors but doesn't replace runtime validation. Use Zod or similar for runtime type checking at system boundaries.
Performance Optimization
TypeScript compiles to JavaScript with no runtime overhead. Use incremental compilation, project references, and proper tsconfig for faster builds.
Success Story
Series A startup with 80K lines of JavaScript
Challenge
Frequent runtime errors in production, difficult onboarding, inconsistent patterns across 5 developers.
Solution
Fractional CTO led TypeScript migration with incremental adoption strategy. Established type patterns, trained team.
Result
85% reduction in runtime type errors, onboarding time reduced from 4 weeks to 1 week, developer confidence scores increased 60%.
Timeline: 4 months
Recommended Team Structure
All modern JavaScript teams should use TypeScript. Investment in training pays off quickly in reduced bugs and better collaboration.
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