Skip to content
BackNov 8
Sergi C.

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.

🇫🇷Bram, France$22/hr100% JSS5.00 (6)Since Mar 2025

Earnings and projects

MRR
$89

Last 6 months ÷ 6

World#137,874 / 412k
🇫🇷Country#788 / 2,884
Revenue, last 30 days
$0

Last 6 months: $534

Total earnings
$1k

Billed in all: $1k

World#391,230 / 412k
🇫🇷Country#2,773 / 2,884
Per project
$74

$107 in the last 6 months

World#310,611 / 412k
🇫🇷Country#2,253 / 2,884
Projects, last 6 months
5

Across 6 contracts

100% fixed0% hourly
World#41,747 / 412k
🇫🇷Country#210 / 2,884
Projects in all
14

Across 17 contracts

100% fixed0% hourly
World#168,286 / 412k
🇫🇷Country#1,066 / 2,884

Earnings, last 30 days

$1kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$1,020$1,040$1,060$1,080Oct 9Oct 24Nov 8

Skill rankings: Top 24% in Creative Writing

Ranked by MRR among everyone on Upwork with the skill.

  1. #9European Spanish Accent20 freelancers · 🇫🇷 #1Top 45%
  2. #18Catalan73 freelancers · 🇫🇷 #1Top 25%
  3. #92Subtitle Localization202 freelancers · 🇫🇷 #3Top 46%
  4. #148Multilingual Translation397 freelancers · 🇫🇷 #6Top 37%
  5. #212Academic Translation720 freelancers · 🇫🇷 #8Top 29%
  6. #317Subtitling753 freelancers · 🇫🇷 #8Top 42%
  7. #319Document Translation854 freelancers · 🇫🇷 #13Top 37%
  8. #371Castilian Spanish1,275 freelancers · 🇫🇷 #7Top 29%