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Mario S.
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Mario S.

Top-Rated German Author & Localization Specialist | SEO & GEO Content

Hi, I’m Mario – a native German author, translator, and content strategist with a sharp eye for language, structure, and digital performance. Since 2014, I’ve been crafting content that informs, converts, and ranks – and since 2020, I’ve added web development and technical SEO to my toolkit to deliver end-to-end content experiences. If you need content that sounds human, feels relevant, and performs in search (classic SEO and AI-driven GEO), you’re in the right place. What I help clients with Writing & Content Creation (DE/EN) • Articles & long-form blog posts • Landing pages & web content • Email copy & funnel messaging • Editorial plans & content strategies • UX-oriented copywriting for digital products • Product descriptions, Amazon listings, eCommerce content Translation & Localization • EN → DE translation with cultural + market-appropriate adaptation • Localization for websites, apps, eCommerce, supplements, SaaS, B2B content • Transcreation for marketing and brand messaging • GEO-optimized content for generative AI visibility SEO, GEO & Digital Strategy • SEO research & on-page optimization • GEO (Generative Engine Optimization) for ChatGPT, Perplexity & Google AI • Keyword strategy + content architecture • Conversion-driven content setup for landing pages & blogs Web & CMS • WordPress (Elementor, WooCommerce) • Shopify content & theme adjustments • HTML, CSS, JavaScript (lightweight dev for web content & tools) Industries I frequently work in • Marketing & digital agencies • Education & e-learning • Food, nutrition & supplements • B2B services • Finance & fintech • Travel, lifestyle & wellness • Tech, IT & software Brands & teams I’ve supported I collaborate with startups, agencies, international companies, and long-term freelance clients across Germany, Switzerland, Austria, Spain and Ireland – covering content, strategy, SEO, localization and social media. Past client types include: • International manufacturers • Marketing agencies • E-commerce brands • IT & tech recruiters • Language learning companies • Creative brands & music labels What you can expect when working with me Clear communication, clean structure, reliable delivery – plus copy that sounds like it was actually written by a human (because it was). If you’re looking for someone who understands language, marketing, and the mechanics behind high-performing digital content, let’s talk. Mario

🇩🇪Teterow, Germany$40/hr100% JSS4.99 (57)Since Jan 2016
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Earnings and projects

MRR
$1.3k

Last 6 months ÷ 6

World#37,770 / 412k
🇩🇪Country#267 / 3,842
Revenue, last 30 days
$1.8k

Last 6 months: $7.8k

World#23,593 / 412k
🇩🇪Country#167 / 3,842
Total earnings
$61k

Billed in all: $64k

World#64,143 / 412k
🇩🇪Country#437 / 3,842
Per project
$650

$647 in the last 6 months

World#159,103 / 412k
🇩🇪Country#1,437 / 3,842
Projects, last 6 months
12
50% fixed50% hourly
World#14,023 / 412k
🇩🇪Country#107 / 3,842
Projects in all
94

Across 104 contracts

83% fixed17% hourly
World#30,096 / 412k
🇩🇪Country#205 / 3,842

Earnings, last 30 days

$64.5k+$1.8k earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$62k$63k$64k$65kOct 8Oct 23Nov 7

Skill rankings: Top 5% in Creative Writing

Ranked by MRR among everyone on Upwork with the skill.

  1. #47Newsletter487 freelancers · 🇩🇪 #2Top 10%
  2. #137German1,804 freelancers · 🇩🇪 #33Top 8%
  3. #158Scriptwriting3,377 freelancers · 🇩🇪 #2Top 5%
  4. #280Ghostwriting5,395 freelancers · 🇩🇪 #5Top 5%
  5. #482Creative Writing10,453 freelancers · 🇩🇪 #6Top 5%
  6. #578Article Writing12,520 freelancers · 🇩🇪 #6Top 5%
  7. #658Blog Writing13,251 freelancers · 🇩🇪 #9Top 5%
  8. #875Writing16,517 freelancers · 🇩🇪 #18Top 5%