You will get Professional Spanish proofreading by a native linguist (science & business)
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Project details
Are you looking for a native Spanish speaker to polish your text and make it shine?
I am a Spanish linguist and biologist with experience in proofreading and editing a wide range of texts — from academic and scientific content to business documents, blogs, and marketing copy.
I will carefully review your Spanish text and correct all grammar, spelling, punctuation, and style issues, ensuring it reads naturally and professionally for a native Spanish audience.
What makes me different:
Native Spanish from Spain (European Spanish)
Scientific and technical background (Biology degree)
Fluent in English and German — ideal for texts translated from EN/DE into Spanish
Fast turnaround with full Track Changes so you see every edit
I am a Spanish linguist and biologist with experience in proofreading and editing a wide range of texts — from academic and scientific content to business documents, blogs, and marketing copy.
I will carefully review your Spanish text and correct all grammar, spelling, punctuation, and style issues, ensuring it reads naturally and professionally for a native Spanish audience.
What makes me different:
Native Spanish from Spain (European Spanish)
Scientific and technical background (Biology degree)
Fluent in English and German — ideal for texts translated from EN/DE into Spanish
Fast turnaround with full Track Changes so you see every edit
Service Type
Proofread & Edit, FormattingLanguage
SpanishWhat's included
| Service Tiers |
Starter
$15
|
Standard
$25
|
Advanced
$55
|
|---|---|---|---|
| Delivery Time | 1 day | 1 day | 1 day |
Number of Revisions | 1 | 1 | 1 |
Number of Words | 500 | 1000 | 2000 |
Grammar & Syntax Review | |||
Fact-Checking | |||
Content Rewriting | |||
Structural Edit | |||
Print Layout | - | - | - |
Optional add-ons
You can add these on the next page.
Additional 100 Words
(+ 1 Day)
+$3Frequently asked questions
216 reviews
(214)
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TJ
Tom J.
May 20, 2026
(157.BSC.Spanish) Medical Keyword Research and Content Transcreation and On-Page Recommendations
Maria is a wonderful contractor that we use for Spanish SEO projects often!
GG
Grace G.
May 10, 2026
Product listing proofread - Amazon Spain
MH
Markus H.
Mar 20, 2026
Proofreading of our Spanish website
Read over the Spanish version of our page and gave us worthful input for further translations.
TJ
Tom J.
Feb 6, 2026
(136-UC) Medical/Pharmaceutical Keyword Research - Spanish
Hi Maria! We are just closing out some old projects in upwork!
TJ
Tom J.
Jan 26, 2026
(0824.1-BSCPM) Medical/Pharmaceutical Keyword Research - Spanish
About Maria
Spanish SEO Specialist, Translator, Biologist. EN/DE to ES (Spain)
100%
Job Success
Sevilla, Spain - 10:27 am local time
I am a Life Scientist, digital marketing/SEO/GEO specialist, and translator. Native from Spain.
I optimize and localize websites, ad campaigns, and digital content from English/German into Spanish, ensuring they are not only culturally flawless but also rank at the top of Google.
I combine a Bachelor's degree in Biology with over 15 years of proven SEO/SEM experience and 20+ years in technical translation. This unique background allows me to handle complex technical, clinical, and corporate content with absolute precision.
🏆 Industry Recognition: Awarded Best Life Science & Biotech Digital Marketing Specialist (2026) and Leading Health & Life Science Digital Marketing Specialists (2025).
-- BIOLOGIST, SEO/GEO SPECIALIST and TRANSLATOR -- NATIVE SPANISH SPEAKER from SPAIN
1) SEO, GEO & AI Visibility Strategy (15+ Years Experience):
Full-Spectrum Strategy: Audits, competitor analysis, international website migrations, advanced keyword research, and AI-driven optimization (GEO) to ensure your brand is cited by ChatGPT, Perplexity, and Gemini.
Certified & Tools: Google Data Analytics, IBM Data Science, HubSpot Inbound, and Google Ads. Expert user of Ahrefs, Semrush, Screaming Frog, Surfer SEO, GA4, and Google Search Console.
2) Bachelor's degree in Biology / Life Sciences:
Creation of highly accurate articles, white papers, web copy, and product descriptions for medical, pharma, and biotech sectors.
My scientific background provides an immediate level of authority (E-E-A-T) that generalist writers cannot match, helping your content satisfy both human readers and AI search algorithms.
3) Technical & SEO/GEO Translation (EN/DE > ES from Spain):
20+ years of linguistic experience in translation, editing, and proofreading.
I specialize in strategic localization: adapting websites and complex technical content so they sound natural to the Spanish audience while maintaining a perfect technical SEO structure for search engines.
4) Content Marketing & Technical Copywriting:
My pen is ready to bring your ideas to life across any sector (E-commerce, Tech, Tourism, Education).
By structuring content with data blocks, tables, and concise answers, I prepare your site for RAG (Retrieval-Augmented Generation), maximizing your traffic from both traditional Google and modern AI engines.
----EDUCATION AND CERTIFICATIONS----
My passion for learning has led me to obtain certifications from renowned institutions worldwide:
- "Cancer Biology Specialization" by Johns Hopkins University
- "Big Data, Genes, and Medicine" by The State University of New York
- "Immunology: The Immune System and its Failures Specialization" by Imperial College London
- "SEO Specialization program: SEO Expert" by University of California, Davis
- "Google Data Analytics Specialization" by Google
- Google Analytics Certified, Google Adwords certified and Hubspot Inbound Certified
- "Data Science Professional Certificate" by IBM
- Education in Big Data (Yonsei University), Education in Digital Marketing (Illinois University)
Whether you need to localize a multilingual e-commerce site, translate/proofread a highly technical document, or need to be visible with an international SEO/GEO roadmap, I deliver results that convert.
Click "Message" or "Invite" today, and let's discuss your project!
Hoping to work with you soon!
Steps for completing your project
After purchasing the project, send requirements so Maria can start the project.
Delivery time starts when Maria receives requirements from you.
Maria works on your project following the steps below.
Revisions may occur after the delivery date.
Document review
I carefully read through your entire text to understand the content, tone, and context before making any changes.
Proofreading
I correct spelling, grammar, punctuation, and syntax errors while preserving your original voice and meaning..