@josephminja1
AI data trainer at Outlier, evaluating LLM responses and preparing English–Swahili training data.
TanzaniaAt Outlier, I annotate and validate multilingual datasets for AI and machine learning training. I also transcribe and translate between English and Swahili, and evaluate AI-generated responses for accuracy, relevance, and linguistic quality.
I conduct quality assurance reviews and work with NLP datasets supporting LLM development. My background also includes accountancy, a Bachelor's Degree of Accountancy, and CPA Intermediate Stage studies.
Work history, roles, and key accomplishments
Outlier
Feb 2026 - Present (8 months)
Annotated, labelled, and validated text and multilingual datasets for AI and machine learning model training. Performed English–Swahili transcription and translation, evaluated AI-generated responses, and conducted quality assurance reviews.
Annotated, labelled, and validated text and multilingual datasets for AI and machine learning model training. Performed English–Swahili transcription and translation, evaluated AI-generated responses, and worked with NLP datasets.
Degrees, certifications, and relevant coursework
CPA Intermediate Stage, Accountancy
2025 -
CPA Intermediate Stage, ongoing as of 2025.
Seminar, Data Collection
2022 - 2022
Seminar on data collection organized by Alpha Aid Association at Alpha High School in June 2022.
Seminar, Customer Care
2018 - 2018
Seminar on Customer Care conducted at Mirado Hall on 15 May 2018.
Bachelor Degree, Accountancy
2014 - 2017
Bachelor Degree of Accountancy from the Institute of Accountancy Arusha, Tanzania, from 2014 to 2017.
Seminar, Social Security
2017 - 2017
Seminar on Social Security issues conducted at Institute of Accountancy Arusha from 16 to 17 June 2017.
Advanced Certificate of Secondary School Education, General Studies
2012 - 2014
Advanced Certificate of Secondary School Education from Alpha High School, Dar Es Salaam, Tanzania, from 2012 to 2014.
Computer Course, Computer Science
2011 - 2011
Computer Course from 20 October 2011 to 22 November 2011.
Certificate of Secondary School Education, General Studies
2008 - 2011
Certificate of Secondary School Education from Tusiime Secondary School, Dar Es Salaam, Tanzania, from 2008 to 2011.
Software and tools used professionally
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