Serbian Linguistic Projects (On-site London)

Sigma; Greater London; Hybrid; GBP 19,000 - 29,000; Full time

Job summary

Sigma.AI is hiring for data annotation specialists to support global AI projects. You will categorize, annotate, transcribe, and validate multimedia content, ensuring high accuracy and consistency across languages. The role emphasizes attention to detail and collaboration within a practical office setting.

Applicants should be native or bilingual in Serbian, fluent in English, and possess basic computer skills. Experience in data annotation is a plus, though not mandatory.

Qualifications

• Native or bilingual in Serbian with accurate spelling.
• Fluent in English for office communication and collaboration.
• Basic computer skills to operate standard tools.

Responsibilities

• Categorization of data items.
• Annotation and correction of datasets.
• Transcription and evaluation of content.
• Voice recording and content localization tasks.
• Quality validation of audio, video, images and sentences.

Skills

Serbian native

English fluent

Basic computer skills

Job description

Join Sigma.AI – Shaping the Future of Artificial Intelligence

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 200 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?

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

Requirements:

We are looking for candidates with the following qualifications:

• Native or bilingual in Serbian – Able to listen and write correctly without spelling mistakes

• Fluent in English – Able to interact efficiently in the office environment.

• Basic computer skills.

Preferred (but not mandatory):

• Experience in data annotation or content rating.

• Strong attention to detail.

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

Sigma.AI – Data done right.