TypeScript developers in the US charge about $38 to $132 per hour on vetted marketplaces, with agencies billing $112 to $212. Full-time base salaries typically run from $98,000 to $172,000. TypeScript has become the professional standard across the JavaScript world, so the rates mirror the broader JS market with a consistent premium over untyped profiles at every seniority level.
Vetted marketplace
$38–132
per hour · USA, 2026
Vetted marketplace · like HireDeveloperUSA.com
$38–$132/hour
Development agency
$112–$212/hour
In-house full-time · base salary
$98,000–$172,000/year
Add 25–40% for benefits, payroll taxes and overhead before comparing with hourly typescript developers rates.
Junior
$38 – $64/hour
Mid-level
$64 – $96/hour
Senior
$96 – $132/hour
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Between $38 and $132 per hour on vetted marketplaces depending on seniority, $112 to $212 through an agency, or $98,000 to $172,000 in base salary full-time.
Consistently, by a modest margin at every level. The premium reflects that professional teams have standardized on TypeScript, so typed experience signals production maturity.
For codebases with multiple contributors and a long life ahead, usually yes. An incremental migration led by an experienced engineer catches real bugs and makes every future hire faster.
Have them design types for a realistic API rather than solve puzzles. How a candidate models data and where they reach for any tells you more than trivia about utility types.
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