Sigma.AI is a global leader in technology, specializing in data collection and annotation for Artificial Intelligence. With over 30 years of experience and offices across Spain, the US, and the UK, Sigma supports top multinational clients by providing data services in more than 700 languages. We are currently seeking proactive and detail-oriented freelancers fluent in Urdu (Pakistan) and English to contribute to our linguistic projects. This remote opportunity allows you to work flexibly through an online platform available 24/7, supporting the development of cutting-edge AI solutions worldwide.

Key Responsibilities
You will be involved in various linguistic tasks such as categorization, annotation, correction, transcription, evaluation, conversational interactions, voice recording, content creation, localization, and validation of audio, video, images, sentences, or words. All tasks are performed remotely, providing flexibility and convenience. This role operates under a commercial contract specifically designed for freelancers.

Required Qualifications
- Fluency in Urdu (Pakistan), with the ability to listen and write accurately without spelling mistakes.
- Fluency in English, with excellent listening and writing skills free of spelling errors.
- Basic computer literacy to navigate online platforms efficiently.

Preferred Qualifications
- Experience in computational linguistics, corpus analysis, language data annotation, or training large language models (LLMs) is advantageous but not mandatory.
- Strong attention to detail to ensure high-quality data processing.

Technical Requirements
To participate, candidates must have:
- A computer with at least 4GB RAM.
- A microphone and webcam for recording and interaction purposes.
- Operating system requirements include Windows 10 or higher, or macOS 13 Ventura or higher, with all vendor-supported updates installed.
- A stable internet connection and headphones.
- A secure internet location protected by a strong password.
- For audio-collection projects, an Android mobile phone is required; tablets and iOS devices are not supported.

Application Process
Interested candidates should apply through the designated platform by clicking “APPLY FOR THIS JOB” and following the instructions. Upon application, candidates will receive mandatory tests via email to assess their qualifications. It is important to check both inbox and spam folders to ensure receipt of these communications.

Important Notes
Sigma.AI does not engage third parties or agents in its hiring process. Candidates must provide documentation to verify their identity and credentials when requested. Failure to do so may result in withholding or termination of any job offer. The company may use artificial intelligence tools during the selection process to evaluate submitted tests ethically, transparently, and in compliance with legal standards. This data processing is based on the pre-contractual relationship and the provision of requested services.

Join Sigma.AI and be part of a global, innovative, and impactful team dedicated to shaping the future of artificial intelligence. At Sigma.AI, we believe in “Data done right.”

Job Details

Total Positions:
1 Post
Job Shift:
Work From Home
Job Type:
Job Location:
Gender:
No Preference
Age:
18 - 65 Years
Career Level:
Mid-Level
Experience:
6 Years - 10 Years
Apply Before:
Oct 27, 2026
Posting Date:
Oct 21, 2026

Sigma AI

· 11-50 employees -

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