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
We are looking for candidates with the following qualifications:
Bachelor’s degree in Translation and Interpretation
Bachelor’s degree in Translation and Interpretation
Linguist with native or near-native proficiency in Korean
Linguist with native or near-native proficiency in Korean
Fluent in English with the ability to accurately listen and write with excellent spelling and attention to detail
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
Solid command of linguistic theory, grammar, and language structure
Strong writing, editing, and communication skills
Strong writing, editing, and communication skills
Computer literacy
Computer literacy
Preferred (but not mandatory):
Experience with one or more of the following: computational linguistics, corpus analysis, language data annotation, or LLM training
Experience with one or more of the following: computational linguistics, corpus analysis, language data annotation, or LLM training
Strong attention to detail
Strong attention to detail
Technical Requirements
To participate in our projects, you will need:
Computer:
Minimum 4GB RAM
Minimum 4GB RAM
Microphone and webcam
Microphone and webcam
Operating system: Windows 10 or higher macOS 13 Ventura or higher
Operating system:
Windows 10 or higher
Windows 10 or higher
macOS 13 Ventura or higher
macOS 13 Ventura or higher
All OS updates installed and supported by the vendor
All OS updates installed and supported by the vendor
Connectivity & Accessories:
Stable internet connection
Stable internet connection
Headphones
Headphones
Secure internet location, protected by a strong password
Secure internet location, protected by a strong password
For audio-collection projects only:
Mobile phone with Android OS
Mobile phone with Android OS
Tablets and iOS devices are not supported
How to Apply
If you’re interested, click on “APPLY FOR THIS JOB” and follow the instructions.
After submitting your application, you will receive an email with the required tests to assess your qualifications. These tests are mandatory to move forward in the process.
Check your inbox and spam folder , just in case!
Important Notes
Sigma.AI does not hire through third parties. No agents’ intermediaries or third parties are authorized to represent benefit from or participate in any way in the relationship. To this effect the Candidate agrees to provide any documentation or information reasonably requested by the Company to verify their identity and credentials. Should the Candidate fail to provide enough evidence of their identity to Sigma´s satisfaction, Sigma shall be entitled to withhold or terminate any offer with the Candidate.
Sigma.AI does not hire through third parties. No agents’ intermediaries or third parties are authorized to represent benefit from or participate in any way in the relationship. To this effect the Candidate agrees to provide any documentation or information reasonably requested by the Company to verify their identity and credentials. Should the Candidate fail to provide enough evidence of their identity to Sigma´s satisfaction, Sigma shall be entitled to withhold or terminate any offer with the Candidate.
The company may employ or rely on artificial intelligence systems in its selection processes. Such processing is carried out in an ethical, transparent, and legally compliant manner. The purpose of the processing is to evaluate the tests submitted in the course of the selection process (for instance the transcribed content provided by the candidate). The legal basis for processing your data is the pre-contractual relationship between the parties and/or the provision of requested services.
The company may employ or rely on artificial intelligence systems in its selection processes. Such processing is carried out in an ethical, transparent, and legally compliant manner. The purpose of the processing is to evaluate the tests submitted in the course of the selection process (for instance the transcribed content provided by the candidate). The legal basis for processing your data is the pre-contractual relationship between the parties and/or the provision of requested services.
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.
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