Sergi C.
Multilingual Translator & Localization Specialist | English, Spanish,
Multilingual translator, proofreader and localization specialist based in France. I work with English, Spanish, French and Catalan/Valencian, helping businesses deliver clear, accurate and culturally adapted content. My experience includes: • 5,000+ English-to-French localization strings reviewed and corrected. • Technical translation projects from English into Spanish. • Educational content adaptation from Spanish into Catalan. • Proofreading and linguistic quality assurance (LQA). • Website, software and user-facing content localization. I am a native speaker of Spanish and Catalan/Valencian, fluent in French, with a strong command of English and growing proficiency in Mandarin Chinese. Having lived, studied and travelled in China, I am particularly interested in projects involving Europe–China communication, localization and international business environments. Services: • Translation • Proofreading • Localization • Linguistic QA (LQA) • Content Adaptation Languages: Spanish (Native) Catalan/Valencian (Native) French (C1) English (B2) Mandarin Chinese (Elementary) Available for freelance and long-term collaboration.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $534
Billed in all: $1,047$1k
$107 in the last 6 months
Across 6 contracts
Across 17 contracts
Earnings, last 30 days
Skill rankings: Top 24% in Creative Writing
Ranked by MRR among everyone on Upwork with the skill.
- #9European Spanish Accent20 freelancers · 🇫🇷 #1Top 45%🇫🇷#1 of 1
- #18Catalan73 freelancers · 🇫🇷 #1Top 25%🇫🇷#1 of 1
- #92Subtitle Localization202 freelancers · 🇫🇷 #3Top 46%🇫🇷#3 of 6
- #148Multilingual Translation397 freelancers · 🇫🇷 #6Top 37%🇫🇷#6 of 14
- #212Academic Translation720 freelancers · 🇫🇷 #8Top 29%🇫🇷#8 of 25
- #317Subtitling753 freelancers · 🇫🇷 #8Top 42%🇫🇷#8 of 22
- #319Document Translation854 freelancers · 🇫🇷 #13Top 37%🇫🇷#13 of 31
- #371Castilian Spanish1,275 freelancers · 🇫🇷 #7Top 29%🇫🇷#7 of 23