English Linguistic Projects (On-site London)

🔹 What is Sigma?

Sigma is a leading global technology company specialized 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.

Some of the topics you could be working on include

• Home and daily tasks (cleaning, laundry, cooking, etc.)
• Repairs and DIY (home repair, gardening, plumbing, etc.)
• Textile and crafts (knitting, sewing, pottery, etc.)
• Technology and computing (using computers or devices, gaming, etc.)

We are looking for candidates with the following qualifications

• Native in English – Able to listen and write correctly without spelling mistakes.
• Basic computer skills.

Preferred (but not mandatory)

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

📋 How to Apply

If you’re interested, click "Apply for this job" and follow the instructions.

📩 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.

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.