Freelance translator profile for Simon Muiruri Ng'ang'a



Translator's name:Simon Muiruri Ng'ang'a
Language pair:English to Swahili translator
Country of residence:Kenya
Activity:Active since 2026
Membership status:Basic member

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Simon Muiruri Ng’ang’a
Native Swahili Speaker
Translator | Transcriptionist | AI Data Annotator
MAJOR PROJECTS: Facebook, Google, Transsion, Uber AI .

PERSONAL SUMMARY
Experienced English to Swahili Translator and Transcriptionist with a demonstrated
history of working in the translation and localization industry using various software
technologies in the fields of business, IT, user interface, help content, transcreation,
technical documentation, legal terms, product testing and bug fixing.
I can further support with strong transcription skills.
I am excited to contribute to your team and help bridge language barriers within your
global reach, bringing forth a positive work ethic and a commitment to efficiency and
integrity.

PROFESSIONAL EXPERIENCE
One Hour Translation Services (FACEBOOK Project) – Swahili Reviewer
December 2016 to date
Fields: General, Social Media, Education, Business & Commerce
Have successfully translated and reviewed 99,300 words.
Duties:
• Translating content, ensuring that the meaning and feeling of the original
material is retained.
• Checking translations of technical terms to ensure that they are accurate
and remain consistent throughout translation revisions.
• Proofreading, editing, revising and rating translated materials.

Appen – Swahili Transcriber / Annotation
February 2017 to date
Fields: News, Sports, Business & Commerce, Information Technology
Have successfully transcribed and translated over 275,000 words.
Duties:
• Transcribing utterances from mixed Swahili dialects.
• Referring to reference materials such as dictionaries, lexicons and
terminology banks as needed to ensure wordlist accuracy.
• Quality assurance, peer review and validation.

Stepes – Swahili Translator
November 2017 to date
Fields: Religion & Software Localization
Have successfully translated 16,601 words.
Duties:
• Translating religious content faithfully, accurately and integrally, while
approximating the patterns of thought and style to the target audience.

Vistatec (GOOGLE Project) – External Reviewer (Swahili Localization)
December 2022 to date
Fields: Software Localization & Testing, Websites, Transcreation, Legal, AI
Have successfully reviewed over 3,400 hours of a wide range of content from
translation vendors (approx. 3,400,000 words).
Duties:
• Objective assessment of translations to ensure consistency and
appropriateness of style, tone, terminology and adherence to common locale.

Boo World – Exclusive Swahili Translator
February 2023 to date
Fields: Software Localization, Psychology, Social Media, Transcreation
Have successfully translated 57,800 words.
Duties:
• Translating concepts into user flows, wireframes, mockups and prototypes
that lead to intuitive user experiences.
• Providing commercial translations for website copy, social media platforms,
mobile apps and promotional materials including video subtitles.

Andovar Localization Services – Swahili Translator / Proofreader
April 2023 to date
Fields: Video Games, Films & TV, Telecommunication
Have successfully translated 24,000 words.
Duties:
• Translating film subtitles, ensuring accuracy, brevity and cultural relevance.
• Translating video games while setting creative vision for the target audience.
Power Translations International – Phonetic Transcriber
April 2023 to date
Fields: General
Have successfully transcribed 5600 words.
Duties:
Translating terms and marking with a phonetic symbol to indicate the pronunciation.

Dr. Localize – Swahili Translator / Proofreader
May 2023 to date
Fields: Pharmaceutical Patent, Patient Facing Materials, Clinical Trials
Have successfully translated and reviewed approximately 53,000 words.
Duties:
• Translating medical and pharmaceutical materials accurately to bridge the gap
between medical experts, patients, and manufacturers globally.

ICS-Translate – Swahili Translator / Proofreader
May 2023 to date
Fields: Legal, Online Gaming/Gambling
Have successfully translated over 284,000 words.
Duties:
Translating T&Cs with high proficiency of legal and gambling terminology.

ClearlyLoc (TRANSSION Project) – Kikuyu Translator / Team Leader
May 2023 to date
Fields: Software Localization, Technical, Legal
Have successfully translated 86,000 words.
Duties:
Translating complex UI strings with high proficiency of legal and IT terminology.

Magnon Sancus (Open AI Project) – AI Dataset Curator / Swahili Linguist
September 2025 to date
Fields: Data Evaluation, Response Ranking, and Model Refinement
Have successfully evaluated over 2,500 prompts & datasets.
Duties:
Recording audio data to improve AI model performance, creating structured
datasets, evaluating and ranking model outputs, and fine-tuning training
data for better alignment with target quality metrics.

EDUCATION
Diploma in Information Technology - 2008
Tracom College
(Kenya National Examinations Council)
Bachelor of Arts (Humanities & Social Sciences) - 2022
Kenyatta University, Kenya
English & Swahili: Phonetics, Phonology, Morphology, Syntax, Sociolinguistics, Ethnology
CERTIFICATION
Machine Translation Post Editing (MTPE)
(RWS)
SOFTWARE
Translation tools (Professional Proficiency Level):
SDL Trados, Crowdin, Polyglot, Phrase, MemoQ, Smartcat, Matecat e.t.c.

REFEREES
1. Joanna Clemente
Localization Manager
Boo World
joanna@boo.world

2. Lena Wiedemann
Translation Project Manager
ICS-Translate
lena.wiedemann@ics-translate.com

3. Deeksha Sharma
Manager – Key Accounts
Magnon Sancus
deeksha.sharma@magnonsancus.com

4. Ronja Nguyen
Vendor Manager
Dr. Localize
ronja@drlocalize.com