Marta J.
Polish Translator Reviewer Proofreader Linguist [EN/FR - PL]
Professional English–Polish translator specializing in website, software, and mobile app localization. I help businesses deliver clear, natural, and user-friendly content tailored to Polish audiences—going beyond literal translation to ensure the right tone, usability, and cultural fit. I combine linguistic accuracy with UX awareness, ensuring translations not only sound natural but also work seamlessly within real products. What I Can Help You With? Website translation & localization (IT, SaaS, digital services) Mobile & web app localization (UI/UX) Software translation Proofreading & editing (business, finance, general content) Machine translation post-editing (MTPE) In-app linguistic QA & testing Terminology consistency & style alignment
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $114
Billed in all: $5,214$5.2k
$38 in the last 6 months
Across 19 contracts
Earnings, last 30 days
Skill rankings: Top 33% in GitHub
Ranked by MRR among everyone on Upwork with the skill.
- #32AI Translation Review43 freelancers · 🇵🇱 #2Top 74%🇵🇱#2 of 2
- #54Web App Localization105 freelancers · 🇵🇱 #2Top 51%🇵🇱#2 of 3
- #71Video Game Localization139 freelancers · 🇵🇱 #2Top 51%🇵🇱#2 of 3
- #72Localization Testing153 freelancers · 🇵🇱 #2Top 47%🇵🇱#2 of 2
- #74Polish to English Translation165 freelancers · 🇵🇱 #51Top 45%🇵🇱#51 of 113
- #98English to Polish Translation223 freelancers · 🇵🇱 #72Top 44%🇵🇱#72 of 159
- #144Polish322 freelancers · 🇵🇱 #97Top 45%🇵🇱#97 of 217
- #246Mobile App Localization436 freelancers · 🇵🇱 #7Top 56%🇵🇱#7 of 12