Karolina L.
English to Polish Translator | Localization Specialist | LQA Expert
Senior Localization & Language Specialist | English ↔ Polish Translation | LQA | Transcreation I help brands create multilingual content that feels natural, consistent, and market-ready – across translation, localization, localization QA, and creative language adaptation. With 10+ years of experience in localization, content, and digital communication, I specialize in projects where language quality directly impacts user experience, brand perception, and conversion. Core expertise: ✔️ English to Polish Translation & Polish to English Translation ✔️ Website, App & Software Localization ✔️ Marketing Translation & Transcreation ✔️ Localization QA (LQA) & Linguistic Review ✔️ Localization Testing & Manual Testing Support ✔️ UX/UI & Product Content Localization ✔️ SEO Translation, SEO Localization & Keyword Research ✔️ SEO Content Writing (Polish & English) ✔️ Brand Voice, Tone & Cultural Adaptation ✔️ Polish Market Research & Cultural Consulting ✔️ AI-Assisted Localization Workflows ✔️ Multilingual Project Coordination & Linguist Team Building Projects from August 2026 include: ✔️ Translation of Amazon e-commerce materials (English to Polish, Polish to English), 10,000+ words ✔️ Translation of Terms and Conditions for a members' app for a hotel chain, ~3,000 words ✔️ Localization testing and full linguistic QA review of a translation agency website ✔️ Translation of cat litter labels ✔️ Translation of video advertisements for a cleaning device ✔️ Writing and translation of tennis content (WTA and ATP Tour analysis and predictions) ✔️ Functional testing of an app for side hustles ✔️ Translation of marketing materials for a global footwear brand, ~4,000 words ✔️ Cultural and linguistic evaluation of a brand name for the Polish market, including terminology, connotations, and potential trademark or naming conflicts I work on both customer-facing marketing content and product environments, combining linguistic precision with an understanding of UX, usability, SEO, and digital products. Beyond hands-on localization work, I can also support multilingual production workflows by building and coordinating teams of translators, reviewers, and localization contributors tailored to project needs. My focus is not on literal translation. It is creating content that reads naturally, preserves intent, and performs within the cultural and functional context of the target audience. Experience includes: • Marketing translation and transcreation • E-commerce & SaaS localization • App, software & website localization • Multimedia & digital content localization • Localization QA, LQA and testing workflows • SEO translation and multilingual SEO content • Polish market research and localization consulting • Cross-language collaboration and localization coordination Tools & platforms: • Phrase (Memsource) • Lokalise • Trados • Crowdin • Smartcat • WordPress • Shopify • Contentful • Jira • Google Analytics I also work with AI and NLP-enhanced workflows to improve scalability and efficiency while ensuring the final output remains human, natural, and brand-appropriate. Available for long-term collaboration, translation projects, localization, localization testing, LQA support, SEO localization, GEO, AEO, Polish market research, multilingual content production, and localization coordination.
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $1.9k
Billed in all: $4,449$4.4k
$104 in the last 6 months
Across 19 contracts
Across 29 contracts
Earnings, last 30 days
Skill rankings: Top 11% in Short Story Writing
Ranked by MRR among everyone on Upwork with the skill.
- #30Written Language157 freelancers · 🇵🇱 #2Top 19%🇵🇱#2 of 3
- #37Polish to English Translation165 freelancers · 🇵🇱 #27Top 22%🇵🇱#27 of 113
- #43Food Writing253 freelancers · 🇵🇱 #2Top 17%🇵🇱#2 of 2
- #43Story Writing222 freelancers · 🇵🇱 #1Top 19%🇵🇱#1 of 2
- #45Memoir Writing152 freelancers · 🇵🇱 #1Top 30%🇵🇱#1 of 1
- #48English to Polish Translation223 freelancers · 🇵🇱 #38Top 22%🇵🇱#38 of 159
- #85Sports Writing492 freelancers · 🇵🇱 #4Top 17%🇵🇱#4 of 6
- #95Short Story Writing834 freelancers · 🇵🇱 #1Top 11%🇵🇱#1 of 2