Hire the Best Machine Translation Specialists

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Rating is 4.8 out of 5.
4.8/5
Based on 336 client reviews
Veronika K.

Lviv, Ukraine

$15/hr
5.0
6 jobs

Need high-volume Data Annotation, Transcription, or QA delivered with 97+% accuracy? I lead a team of 100+ trained specialists handling complex data operations, audio/video transcription, and metadata QA for startups, AI models, and media platforms. ๐Ÿ”ฅ WHAT WE OFFER: โ€ข Data Labeling & Annotation: Audio, video, and text classification, bounding boxes, spectrograms, and custom platform requirements. โ€ข Audio/Video Transcription: High-precision transcription, EN โž” UKR translation/MTPE, and time-syncing. โ€ข Metadata & Content QA: Structuring large datasets, auditing AI-generated output, and formatting for machine learning models. โ€ข Scalability: Ability to process tens of thousands of files or receipts within strict deadlines. โšก WHY WORK WITH US: โœ“ Rigorous 2-step Quality Control (Annotator + QA Specialist) โœ“ Full NDA compliance and strict confidentiality โœ“ Flexible availability for urgent, high-volume projects Ready to scale your data workflow? Send a message and let's discuss your project!

  • Machine Translation
  • Polish
  • Website Translation
  • Document Translation
  • Ukrainian
  • Medicine
  • Polis Politics
  • Video Annotation
  • Image Annotation
  • Data Annotation
Daniela K.

Delmar, Maryland

$30/hr
5.0
1,045 jobs

As a freelance translator with a background in journalism, Iโ€™ve spent the past 14+ years helping brands communicate clearly, naturally, and effectively in German. My experience covers a wide range of industries and formats. What I specialize in: โ€ข Lifestyle, technical, and legal translations and transcreations โ€ข App & game localization โ€ข Document translation (birth certificate, marriage certificate etc.) โ€ข SEO-friendly website translation โ€ข Software and UI translations โ€ข Keyword-optimized eCommerce & Amazon โ€ข Subtitle translations โ€ข Casino & iGaming content โ€ข Finance translations (Bitcoin, crypto, blockchain & fintech) โ€ข Blogging & content writing โ€ข German copywriting โ€ข Google Ads copywriting Why choose me? โ€ข I deliver an accurate and human translation on time, every time. Let me know your target audience, and I'll be sure to craft a text that speaks to them. โ€ข I provide a fast turnaround at fair rates, without compromising quality. โ€ข I use Google Ads keyword tools and Helium 10 to ensure your content performs, not just reads well. โ€ข I'm comfortable using a variety of translation platforms such as Crowdin, Transifex, Lokalise, Poedit and Memsource โ€ข I confidently leverage AI tools when appropriate and permitted, always with a human quality check. My strength lies in my ability to build and maintain strong relationships with my clients, valuing them, understanding their business needs and target audience, and continuously providing content that exceeds their expectations. I am actively seeking long-term assignments that allow me to leverage my copywriting and English-to-German translation skills. Iโ€™m also open to projects involving English/German correspondence, customer support content, proofreading/editing, and MTPE (machine translation post-editing). Let's connect!

  • Translation
  • German
  • Proofreading
  • Copywriting
  • Content Localization
  • Editing & Proofreading
  • Product Description
  • Article Writing
  • Blog Writing
  • Mobile App Localization
  • Software Localization
  • Amazon Translate
  • Website Content
  • Creative Writing
  • SEO Localization
Daniel L.

San Cristobal, Venezuela

$20/hr
5.0
48 jobs

With nearly 9 years of experience and a proven track record of high-quality translations and fast turnarounds, I offer top-tier linguistic services to companies worldwide. As a native translator and localization specialist, my mission is to provide clear, professional linguistic solutions, always aligned with my clients' specific needs and requirements. My Bachelor's Degree in Foreign Languages with a specialization in Education allows me to not only excel as a translator but also as an experienced Spanish language instructor, developing and creating high-quality academic resources. Why Choose Me? โœ… Guaranteed Quality and Accuracy: Every translation is meticulously crafted to be clear, precise, and consistent, always maintaining the client's desired tone with unmatched attention to detail. โœ… Fast and Reliable Delivery: I understand the importance of deadlines and am committed to efficient turnarounds without compromising quality. โœ… Global and Local Focus: My localization expertise ensures your message resonates authentically with your target audience in any Spanish variant. โœ… Versatile Experience: My academic and professional background spans from technical and legal translation to creating educational content and marketing materials. My Key Services I offer a full range of linguistic services to cover your needs: ๐Ÿ“š Professional Translation: Legal, technical, marketing, educational documents, websites, apps, and more. ๐Ÿ–ฅ๏ธ Strategic Localization: Cultural and linguistic adaptation for SEO, video games, websites, and applications. ๐Ÿ“š Spanish Tutoring: Personalized classes and development of academic resources. ๐Ÿ”Ž Proofreading and Editing: Guarantee of linguistic perfection. โœ๏ธ Language Quality Assurance (LQA): Ensuring the highest quality in your projects. ๐ŸŽฌ Subtitling: For video content such as advertisements, documentaries, and YouTube videos. Fields of Specialization ๐Ÿ”ต I have extensive experience in various sectors, including: ๐Ÿ”ต Corporate Legal Documents: Terms & Conditions, Policies, Privacy notices, Contracts, Commercial Agreements, NDAs, Client Forms. ๐Ÿ”ต IT: Websites, Apps, Cybersecurity, Videogames. ๐Ÿ”ต Marketing: Blog articles, Landing Pages, E-commerce, Newsletters, Sales listings, Product descriptions, and Marketing materials. ๐Ÿ”ต Technical Content: Articles, Papers, Product User Manuals, Data Sheets, Financial Reports, Technical Reports, etc. ๐Ÿ”ต Educational Content: Online courses and Training programs. ๐Ÿ”ต Video Content: Advertisements, Documentaries, YouTube Videos, and Online Content. ๐Ÿ”ต News and Politics: Articles, Essays, Reports. Spanish Variants I Master My deep understanding of the diverse Spanish variants allows me to connect your message with specific audiences: ๐ŸŒ Latin American Spanish ๐ŸŒ Neutral Spanish ๐ŸŒ Mexican Spanish ๐ŸŒ Venezuelan Spanish ๐ŸŒ Argentine Spanish ๐ŸŒ Chilean Spanish ๐ŸŒ European Spanish (from Spain) If you value quality and want top-notch service that brings the best results in the long run, and you need an excellent translation to successfully enter the Spanish-speaking market, I'll be glad to help you. To start the conversation, just send me a message. I'll respond right away so we can have a quick, no-strings-attached chat about your project. I look forward to hearing about your project!

  • Translation
  • Spanish
  • Spanish to English Translation
  • Proofreading
  • Document Translation
  • Website Translation
  • Legal Translation
  • Medical Translation
  • Academic Translation
  • Business Translation
  • Technical Translation
  • English to Spanish Translation
  • Audiovisual Translation
  • Translation & Localization Software
  • Contract Translation
Tetiana T.

Wroclaw, Poland

$15/hr
5.0
11 jobs

I combine professional language expertise with hands-on experience in AI training and data annotation. AI expertise: LLM response evaluation, data classification, multimodal annotation, fact-checking, hallucination detection, prompt generation, and AI content evaluation. Language expertise: English โ†” Ukrainian/Russian translation, localization, transcription, proofreading, and quality assurance. I have supported projects for international organizations and companies such as HRW, Data Annotation, Productive Playhouse, and Appen, consistently working with detailed quality guidelines and project-specific requirements.

  • Translation
  • Customer Service
  • English to Russian Translation
  • Customer Support
  • English to Ukrainian Translation
  • Ukrainian to English Translation
  • Russian to English Translation
  • Localization Testing
Isabel A.

Sao Cosme, Portugal

$15/hr
4.9
466 jobs

Your content is too important to sound translated. I'm a PhD-qualified translator and localisation specialist working across English, Portuguese, Spanish, and French โ€” helping businesses launch in new markets with content that reads as if it were written there from day one. With nearly 3,000 hours on Upwork and a background in specialised translation, I bring academic rigour to real-world results: product pages that convert, SaaS interfaces that feel native, marketing copy that resonates, and medical or legal content that's precise and compliant. What I deliver: โ—† Website & e-commerce localisation (EN/PT/ES/FR) โ—† SaaS UI and software localisation โ—† Marketing copy adaptation โ€” not just translation โ—† Medical, legal & technical document translation โ—† Proofreading & post-editing for tone, clarity and accuracy I work directly with brands and companies that need a reliable language partner โ€” not just a freelancer. Clear communication, consistent quality, and zero guesswork. If your content needs to work in another language, let's talk.

  • Translation
  • Proofreading
  • Medical Translation
  • Portuguese to Spanish Translation
  • Content Writing
  • English to Portuguese Translation
  • Portuguese to English Translation
  • Spanish to English Translation
  • Spanish to Portuguese Translation
  • Video Transcription
  • French to Portuguese Translation
  • General Transcription
  • French to English Translation
  • English to Spanish Translation
Roberto L.

Puerto La Cruz, Venezuela

$10/hr
5.0
479 jobs

I am a systems engineer and have been the head of my own company for several years. Now I seek a transition into a new career focused on translation. Iโ€™m experienced translator - my native language is Spanish and I am a fluent English speaker and have been speaking English all my life. I have a wide range of knowledge and expertise in numerous professional aspects of both languages. I can translate medical, technical, legal, software, marketing content, book conten, AI review, fix AI translations and much more. 5 STAR TESTIMONIALS FROM OTHER UPWORK CLIENTS ----------------------------------------------------------------------------------- "Roberto is an ACE translator! He is extremely knowledgeable in technical translation into Spanish and is an excellent communicator. He was professional, prompt and had a fast turnaround time even within the large scope of the project. I never need to look for another Spanish translator - Roberto is my go-to guy!" ----------------------------------------------------------------------------------- I have a lot of experience in Upwork this is the second time Iโ€™m hiring Roberto for translation work He is very professional, delivered the job real fast, in hours! Ill Defiantly hires him again, and recommended to everyone well done Roberto ----------------------------------------------------------------------------------- Roberto is our de-facto choice of hire. Whenever we need a freelancer, we blindly close our eyes and hire Roberto. And, Roberto never lets us down. He is so good, so very professional, that we assign our project to him and feel assured of successful completion. Roberto always deserves more than what he asks. So, even though we try and pay him good bonus, we still feel we may not be doing justice to his excellent work. Thanks Roberto. ----------------------------------------------------------------------------------- I offer ENGLISH - SPANISH TRANSLATION AND PROOF READING that is cost-effective and focused on quality. I am skilled at translating from written or spoken content and I have almost no need for translation tools, ensuring that your translation will be human generated and as clear as possible. If youโ€™d like to test my skills please ask me for a quote - I will gladly respond. I am fully comfortable working with MS Word, PowerPoint, PDF (protected or unprotected) or any other program. I can take scanned documents and translate and deliver them in any format you need. I deliver Video/Sound to Text if needed. I give full respect to formatting, document order, privacy and copyright ownership. Iโ€™m happy to provide an optimal experience for my clients. I look forward to working on your upcoming project!

  • Machine Translation
  • Translation
  • Technical Translation
  • Subtitles
  • Official Documents Translation
  • Audiovisual Translation
  • Proofreading
  • Castilian Spanish
  • Legal Translation
  • Medical Translation
  • Spanish to English Translation
  • English to Spanish Translation
  • General Transcription
  • Book Review
  • AI Writing Generator
  • Text Formatting
  • Book Editing
  • Editing & Proofreading
  • Editorial Writing
  • Content Rewriting

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Don't just take our word for it

What does a machine Translation specialist do?

A machine translation specialist reviews and corrects raw output from automated translation systems to produce accurate, natural-sounding text. This role focuses on post-editing rather than translating from scratch, requiring the editor to fix errors in grammar, terminology, and style while preserving the original meaning. The specialist ensures the final document meets specific quality standards defined by the client or industry guidelines. This work bridges the gap between speed and precision, allowing organizations to scale their localization efforts without sacrificing readability.

  • Evaluate machine-generated segments against the source text to identify mistranslations, omissions, or awkward phrasing that distort the intended message. Apply light or full post-editing techniques based on the project requirements, correcting syntax and word choice to match the target languageโ€™s natural flow. Use provided terminology databases to enforce consistent usage of technical terms, brand names, and industry-specific jargon throughout the document.
  • Adhere to strict style guides and register constraints to ensure the tone matches the target audience, whether the content requires formal professional language or casual conversational phrasing. Resolve ambiguities in the source material by consulting context clues or requesting clarification, ensuring the edited output reflects the correct intent. Maintain formatting integrity within computer-assisted translation tools, preserving tags, placeholders, and layout structures required for downstream publishing systems.
  • Submit finalized target-language files that meet the agreed-upon quality level, ready for immediate use in websites, software interfaces, or marketing materials. Provide structured feedback on recurring machine translation errors to help refine future automated outputs and improve overall workflow efficiency. Collaborate with project managers to validate that terminology updates and stylistic preferences are applied consistently across large volumes of content.

How to hire a machine Translation specialist on Upwork

Step 1: Post a job

Define your post-editing needs clearly so candidates understand the required quality level. Use the Job Post Generator powered by Umaโ„ข, Upwork's Mindful AI to draft your listing. Describe your source language, target audience, and terminology constraints in a few sentences, and Uma drafts a job post for the role. You can write a new post, update a saved draft, or reuse an existing post.

  • Specify whether you need light post-editing for gist understanding or full post-editing for publication-ready text.
  • List the specific terminology databases or style guides the freelancer must follow during review.
  • Include sample segments of machine translation output to help candidates gauge the expected workload.

Step 2: Evaluate candidates

Look for portfolios that demonstrate experience correcting machine-generated errors while preserving meaning. Uma can run instant video interviews and build shortlists with side-by-side comparisons to speed up this process.

  • Check for examples of post-edited documents where the specialist corrected terminology and syntax errors.
  • Verify familiarity with computer-assisted translation tools that support segment-by-segment editing.
  • Review work history for consistent adherence to client-specific style guides and quality standards.

Step 3: Interview your top choices

Discuss how candidates approach ambiguity in machine translation output and their method for applying terminology. Interviews can be scheduled and conducted within Upwork Messages with an immediate transcript and summary after each one.

  • Ask how they handle inconsistent terminology when the provided database lacks a specific entry.
  • Request a brief explanation of their process for validating meaning against the original source text.
  • Clarify their experience with different post-editing levels and how they adjust their workflow accordingly.

Step 4: Agree on scope and begin work

Set clear milestones for delivering post-edited files that meet your agreed quality standard. Use Upwork Messages and the contract workroom for communication and project management, plus identity verification, payment protection, hourly tracking, and project funds for security.

  • Define the exact format for the final deliverable, such as a cleaned Word document or exported XLIFF file.
  • Establish a feedback loop for correcting recurring errors in terminology or style during the project.
  • Agree on the volume of segments to review per day to maintain consistent quality throughout the engagement.

Upwork is not affiliated with and does not sponsor or endorse any of the tools or services discussed in this article. These tools and services are provided only as potential options, and each reader and company should take the time needed to adequately analyze and determine the tools or services that would best fit their specific needs and situation.

The rates and information provided in this article are based on current data and industry sources available at the time of publication. Freelance rates can vary depending on factors such as experience, location, project scope, and market conditions. Readers are encouraged to conduct their own research to confirm current rates and trends, as this information may change over time.

How much does hiring a machine Translation specialist cost?

$500-$1,500 per project is a typical range for focused machine Translation specialist work. Final pricing depends on scope, technical complexity, required integrations, source-material quality, revision needs, and the freelancer's experience level.

Light post-editing review

$500-$1,000/project

Entry-level to mid-level
  • Edited MT output for basic accuracy and readability
  • Applied provided glossary terms to target text
  • Formatted document ready for downstream use

Full post-editing pass

$1,000-$2,500/project

Mid-level
  • Comprehensive editing for style and meaning fidelity
  • Notes on terminology and phrasing decisions made
  • Target-language file meeting agreed quality standards

Technical documentation MTPE

$2,500-$4,500/project

Mid-level to senior-level
  • Corrected technical terms and complex sentence structures
  • Maintained original layout and tagging in target file
  • Verified output against source for completeness

High-volume content localization

$4,500-$7,000/project

Senior-level
  • Post-edited large datasets with consistent terminology
  • Applied brand voice and register requirements throughout
  • Compiled files organized for client system integration

Custom workflow integration

$7,000-$12,000/project

Expert-level
  • Defined MTPE guidelines and quality thresholds
  • Set up CAT tools and terminology databases for team
  • Created instructions for ongoing post-editing tasks

Frequently asked questions

Is hiring a machine Translation specialist worth it?

For most businesses, yes: hiring a machine Translation specialist is worthwhile. This approach combines the speed of automated systems with human judgment to correct errors in meaning and tone. It reduces costs compared to full human translation while producing higher quality than raw machine output.

How do I evaluate machine Translation specialist candidates?

Review their experience with post-editing workflows and ask for samples that show corrections against raw machine output. A strong candidate demonstrates how they apply specific terminology rules and fix grammatical errors without altering the original intent.

What is the difference between light and full post-editing?

Light post-editing fixes only critical errors to make the text understandable, while full post-editing refines style and flow to match human-written quality. Choose the level based on whether the content is for internal reference or public publication.

Do machine Translation specialists use specific software tools?

Yes, they often work within computer-assisted translation environments that integrate machine translation suggestions and terminology databases. These tools help maintain consistency and track changes across large documents.