Barnabas Jime
@barnabasjime
AI data annotator trained in human-in-the-loop QA who reviewed student work line by line to spot errors and explain corrections.
NigeriaWhat I'm looking for
At ContraCostaCollege, I tutored students in mathematics and reviewed their work line by line to find errors and misunderstandings. I explained corrections in clear, simple steps, adapting my explanations to students’ different ability levels.
Through CipherSensexDatalens, I completed training in data labelling and annotation, human-in-the-loop QA, data quality management, and LLM prompt engineering and model evaluation. I’m seeking an entry-level role in AI data annotation, virtual assistance, or customer support.
Experience
Work history, roles, and key accomplishments
Mathematics Tutor
Contra Costa College
Dec 2016 - May 2018 (1 year 5 months)
Tutored students from foundational mathematics through collegiate-level coursework, one-on-one and in small groups. Reviewed student work line by line to find errors and misunderstandings, then explained each correction in clear, simple steps.
Education
Degrees, certifications, and relevant coursework
CipherSense x Datalens
Essentials of Data Labelling & Annotation for AI Development, Data Labelling and Annotation
Completed training in data labelling and annotation for AI development in September 2026.
CipherSense x Datalens
Human-in-the-Loop (HITL) QA & Data Quality Management, Data Quality Management
Completed training in human-in-the-loop QA and data quality management in September 2026.
CipherSense x Datalens
LLM Fine-Tuning, Prompt Engineering & Model Evaluation, LLM Fine-Tuning, Prompt Engineering & Model Evaluation
Completed training in LLM fine-tuning, prompt engineering, and model evaluation in October 2026.
Contra Costa College
Associate Degree, Mathematics and Science
Associate Degree in Liberal Arts with a focus on Mathematics and Science, graduated in May 2018.
Contra Costa College
STEM Certificate of Achievement, STEM
Earned a STEM Certificate of Achievement from Contra Costa College.
Tech stack
Software and tools used professionally
Availability
Location
NigeriaAuthorized to work in
Salary expectations
Social media
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