Ukrainian Linguist Expert (Remote) | Sigma AI

Sigma; Polska; Remote; PLN 55,000 - 83,000; Part time

Job summary

Sigma.AI is seeking a remote, freelance linguist to support data annotation projects. You will categorize, annotate, correct, transcribe, evaluate, and contribute to conversational data and localization tasks via an online platform.

This role requires native or near-native Ukrainian, fluent English, and meticulous attention to detail. It is a contract-based, remote opportunity suitable for freelancers with strong linguistic skills.

Qualifications

• Bachelor’s degree in Linguistics, Languages, Literature, or a related field.
• Linguist with native or near-native proficiency in Ukrainian.
• Fluent in English with accurate listening and writing and strong spelling.
• Solid command of linguistic theory, grammar, and language structure.
• Strong writing, editing, and communication skills.
• Computer literacy.

Responsibilities

• Categorization
• Annotation
• Correction
• Transcription
• Evaluation
• Conversational interactions
• Voice recording
• Content creation
• Localization
• Validation of audio, video, images, sentences, or words

Skills

Ukrainian language proficiency

English fluency

Listening & writing accuracy

Linguistic theory & grammar

Writing & editing

Computer literacy

Education

Bachelor's in Linguistics/Languages/Literature or related

Job description

Join Sigma.AI – Shaping the Future of Artificial Intelligence

What is Sigma?

Sigma is a leading global technology company specializing in data collection and annotation for Artificial Intelligence. With over 30 years of experience, offices in Spain, the US, and the UK, and operations in more than 700 languages, we support top multinational clients in developing cutting-edge AI solutions.

Soft Skills We Value

Are you a proactive professional who thrives on challenges, values collaboration, and approaches every task with empathy, integrity, and a passion for learning?

If so, we’d love to hear from you!

What Will You Do?

As part of our linguistic projects, your responsibilities may include:

• Categorization
• Annotation
• Correction
• Transcription
• Evaluation
• Conversational interactions
• Voice recording
• Content creation
• Localization
• Validation of audio, video, images, sentences, or words

All tasks are remote performed through an online platform available 24/7.

This opportunity is offered for freelancers under a commercial contract.

Requirements

• Bachelor’s degree in Linguistics, Languages, Literature, or a related field
• Linguist with native or near-native proficiency in Ukrainian
• Fluent in English with the ability to accurately listen and write with excellent spelling and attention to detail
• Solid command of linguistic theory, grammar, and language structure
• Strong writing, editing, and communication skills
• Computer literacy

Preferred (but not mandatory):

• Experience in data annotation or content rating
• Strong attention to detail

Technical Requirements

To participate in our projects, you will need:

Computer:

• Minimum 4GB RAM
• Microphone and webcam
• Operating system:
  • Windows 10 or higher
  • macOS 13 Ventura or higher
• All OS updates installed and supported by the vendor

Connectivity & Accessories:

• Stable internet connection
• Headphones
• Secure internet location, protected by a strong password

For audio-collection projects only:

• Mobile phone with Android OS

Tablets and iOS devices are not supported

Need Help?

We’re here for any questions or concerns.

Join us and be part of something global, innovative, and impactful.

Sigma.AI – Data done right.