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Łukasz N.
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Łukasz N.

Writer, Translator, Proofreader, Data Annotator, SEO | English/Polish

I’m a professional writer, translator, proofreader, and data annotation specialist with 9 years of hands-on experience delivering high-quality language and content solutions. I’ve worked across multiple industries, helping businesses create, refine, and scale content that is accurate, engaging, and optimized for performance. Over the years, I’ve delivered 2,000+ pages of high-performing content, including long-form articles, guides, reviews, and SEO-driven content designed to rank, convert, and meet strict quality standards. As a translator and proofreader, I’ve worked on full website localizations as well as detailed content refinement, ensuring linguistic accuracy, natural flow, and consistency with brand voice. I go beyond literal translation — adapting content to cultural context, user intent, and SEO requirements. I also have experience in data annotation and AI-related projects, including content labeling, evaluation, and optimization workflows. This allows me to support machine learning processes with precision, consistency, and attention to detail. My background includes specialization in iGaming and IT, where I’ve collaborated with well-known brands and delivered content aligned with industry regulations, user expectations, and technical accuracy. In addition, I’ve worked across a wide range of industries, including automotive, lifestyle, nutrition, legal, medical, education, and other popular content verticals. With 6 years of formal IT education and practical experience in technology, cybersecurity, and digital systems, I’m especially comfortable handling technically complex or highly regulated topics. What I bring to your project: ✔ Writing, translation & proofreading – clear, natural, and high-quality content ✔ Data annotation & AI support – labeling, evaluation, and content optimization ✔ SEO expertise – search intent, on-page optimization, and content structure ✔ Industry versatility – iGaming, IT, automotive, lifestyle, nutrition, legal, medical, education & more ✔ Strong research skills across complex and technical topics ✔ Experience with SEO tools (Ahrefs, AccuRanker) ✔ Consistent quality at scale ✔ Clear communication & reliable deadlines I focus on delivering content that builds authority, trust, and real results — not generic text. If you’re looking for a reliable long-term partner who combines language expertise, SEO knowledge, and technical understanding, I’m ready to support your project. Let’s create content that performs. 🚀

🇵🇱Gorzw Wlkp, Poland$30/hr100% JSS4.96 (66)Since Jun 2014

Earnings and projects

MRR
$430

Last 6 months ÷ 6

World#83,732 / 412k
🇵🇱Country#580 / 2,852
Revenue, last 30 days
$746

Last 6 months: $2.6k

World#51,829 / 412k
🇵🇱Country#362 / 2,852
Total earnings
$37k

Billed in all: $38k

World#95,503 / 412k
🇵🇱Country#895 / 2,852
Per project
$304

$258 in the last 6 months

World#229,853 / 412k
🇵🇱Country#1,772 / 2,852
Projects, last 6 months
10
90% fixed10% hourly
World#18,299 / 412k
🇵🇱Country#138 / 2,852
Projects in all
122

Across 126 contracts

92% fixed8% hourly
World#21,214 / 412k
🇵🇱Country#152 / 2,852

Earnings, last 30 days

$38k+$746 earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$37.0k$37.5k$38.0k$38.5kOct 9Oct 24Nov 8

Skill rankings: Top 9% in Article

Ranked by MRR among everyone on Upwork with the skill.

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  2. #40English to Polish Translation223 freelancers · 🇵🇱 #31Top 18%
  3. #53Polish322 freelancers · 🇵🇱 #35Top 16%
  4. #58Gambling378 freelancers · 🇵🇱 #4Top 15%
  5. #68Sports Writing492 freelancers · 🇵🇱 #2Top 14%
  6. #193Article2,060 freelancers · 🇵🇱 #4Top 9%
  7. #683Blog Content5,596 freelancers · 🇵🇱 #2Top 12%
  8. #1,444Article Writing12,520 freelancers · 🇵🇱 #11Top 12%