Apply now

Posted 12 months ago

Mandarin Chinese Translator (Remote) | Sigma AI

@ Sigma Group

Ottawa, Ontario

RemoteTemporary
Apply now
SIGNALS

Overview

Sigma Group is hiring a freelance Mandarin Chinese translator, on a temporary commercial contract, for remote linguistic annotation and AI data work. The work covers categorization, transcription, correction, evaluation, localization and validation of text, audio, images and video, done through an online platform available 24/7. Applicants must pass mandatory tests after applying.

Responsibilities:

  • Categorization and annotation of linguistic content
  • Transcription and correction of Mandarin Chinese
  • Evaluation and validation of audio, video, images, sentences or words
  • Conversational interactions and voice recording
  • Content creation and localization

Requirements summary:

  • Bachelor's degree in Translation and Interpretation
  • Native or near-native Mandarin Chinese
  • Fluent English with excellent spelling
  • Solid command of linguistic theory and grammar
  • Strong writing, editing and communication skills
  • Computer literacy

Tools & skills

Source and dates

Source type not verified · jsonld

Employer posting date
2025-11-28
First seen by our source
2026-10-16
Source record updated
2026-10-16

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

Travelair: none · ground: none
Work settingHome
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish
EducationBachelor’s degree (required)
Fields of studyTranslation and Interpretation

Summary and details written by AI from the posting; the employer’s posting is the authority.

Sigma Group

Saved company profile

Historical company information from a saved The Jobs API profile (LinkedIn/Crunchbase fields). It is not live-verified; figures may have changed. Missing values remain unknown.

Better human data annotation. Smarter AI.

Full company description

With 30+ years of experience in data annotation, we support AI innovators to build smarter AI. Sigma AI has sourced, vetted and trained 25,000+ experts who speak 600+ languages and dialects. We offer human data annotation, training data sourcing, and proprietary technology to accelerate these projects. We guarantee quality results and specialize in generative AI, rapidly scaling projects, and exceptional standards for ethics and security.

LinkedIn followers
116,628
People associated on LinkedIn
1,042
Reported office locations
  • 175 SW 7th St, Miami, Florida 33130, US
  • Avenida de Burgos, 114 (ED CETIL), 1ºPLANTA, Madrid, Community of Madrid 28050, ES
  • 26-28 Hammersmith Grove, London, England W67BA, GB
Other recorded names
  • Sigma Group
  • Sigma AI
Specialties
  • Machine Learning
  • Training Data Preparation
  • Test Data Labeling
  • Data Annotation
  • Data Labeling
  • Training Data
  • Artificial Intelligence
  • Data collection
  • synthetic data
  • generative ai
  • conversational ai
  • ethical AI
  • data sourcing
  • and secure data facility
Profile identifies a recruitment agency
No

With 30+ years of experience in data annotation, we support AI innovators to build smarter AI. Sigma AI has sourced, vetted and trained 25,000+ experts who speak 600+ languages and dialects. We offer human data annotation, training data sourcing, and proprietary technology to accelerate these projects. We guarantee quality results and specialize in generative AI, rapidly scaling projects, and exceptional standards…

FieldValue
IndustryIT Services and IT Consulting
Company size501-1,000 employees
HeadquartersMiami, Florida
Organization typePrivately Held
Year founded2008
SpecialtiesMachine LearningTraining Data PreparationTest Data LabelingData AnnotationData LabelingTraining DataArtificial IntelligenceData collectionsynthetic datagenerative ai
Open jobs on Jobsy10
LinkedInView page
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

We are looking for candidates with the following qualifications:

  • Bachelor’s degree in Translation and Interpretation

  • Linguist with native or near-native proficiency in Mandarin Chinese

  • 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 with one or more of the following: computational linguistics, corpus analysis, language data annotation, or LLM training

  • 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

📋 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.

  • 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.

Similar jobs

  • Intermediate Engineer (Component Engineering) - Point of Care (Ottawa)

    Ottawa, ON
    $68k–$100k/yrFull Time

    Abbott Laboratories

    1+ YOEAbbott Laboratories needs a bachelor's degree in engineering or science, one to three years of engineering or technical experience, and strong analytical, statistics and communication skills. GMP, ISO, FDA, Lean Six Sigma and project management experience are assets.

    Abtraq (Abbott TrackWise for Quality)

  • AI Native Senior Software Engineer

    Ottawa, ON
    $140k–$170k/yr

    Versaterm

    6+ YOEVersaterm needs candidates with 6+ years of software development experience, advanced skill in a language such as C#, Python or JavaScript, and hands-on use of AI coding tools. Candidates also need SaaS architecture, CI/CD and Kubernetes experience, secure development knowledge, and the ability to pass a CJIS background check.

    Kubernetes, ArgoCD, Terraform, coding agents, CI/CD pipelines

  • Project Controller – Finance

    Ottawa, ON

    BPA

    Candidates need a DEC or bachelor's degree in accounting, finance or a related field, with project accounting or billing experience. Bilingual French and English, advanced Excel and ERP experience are required.

    Microsoft 365, Excel, ERP software

  • Éducatrice ou éducateur PSAC

    Ottawa, ON
    Part Time

    Conseil des ecoles catholiques du Centre-Est

    Diplôme d'études collégiales en éducation à l'enfance ou aide-enseignant; Vérification d'antécédents criminels pour personnes vulnérables de 6 mois ou moins; Maîtrise du français nécessaire

    logiciels informatiques, Internet

  • Private Tax Manager

    Ottawa, ON
    Full Time

    Pwc Canada

    Candidates need a Canadian CPA (or CA or equivalent) or a Master's in Tax, with CPA In-Depth Tax Course Levels I to III as an asset. Strong corporate tax expertise, leadership experience and public accounting experience are preferred.

  • Privileged Access Management (PAM) Architect — Senior Manager

    Ottawa, ON
    Full Time

    KPMG

    Candidates need a degree or diploma in computer science, IT, cybersecurity or a related field, plus proven enterprise PAM architecture experience with CyberArk/Idira. They also need technical team lead experience, scripting and API skills, and the ability to obtain a Secret security clearance.

    CyberArk, Idira, Active Directory, LDAP, PowerShell, Python

  • Technical Support Engineer

    Ottawa, ON
    HybridFull Time

    Nokia

    Candidates need a computer science degree or equivalent practical technical support experience. Strong problem-solving, communication and customer-focused skills are required, plus knowledge of network management systems and optics is an asset.

    Salesforce, NMS

    Technical Marketing Engineer

    Ottawa, ON
    HybridFull Time

    Nokia

    5+ YOECandidates need 5+ years in technical marketing, systems engineering or product management in networking, with deep knowledge of IP/MPLS, Segment Routing and QoS. Strong presentation skills for engineers and executives are required, and Nokia NRS or equivalent certifications are a plus.

Locations & environments

Locations

All of CanadaRemote · Hybrid · On-site · Field

Pro tip: add remote jobs to widen your search.

Exclude locations

Workplace type

Company jobs in these results

These are this company’s jobs loaded in your current search. The company may have more openings.