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Mercy Wairimu

@mercywairimu4

Economist and data analyst with Toloka experience annotating text, image, and audio datasets.

At Toloka Inc., I annotated text, image, and audio datasets, checked labels for errors, and shared feedback on annotation guidelines. I also analysed dataset patterns and worked on natural language processing and computer vision tasks.

With the Independent Electoral and Boundaries Commission (IEBC), I captured and verified voter registration data using electronic registration kits, and supported field data collection with questionnaires and mobile tools. I hold a Bachelor of Arts in Economics and Business Studies from KCA University.

Experience

Work history, roles, and key accomplishments

Voter Registration Clerk

Independent Electoral and Boundaries Commission (IEBC)

Mar 2026 - Apr 2026 (1 month)

Registered eligible voters by capturing accurate biographical and biometric data using electronic voter registration kits. Verified voter details, maintained records, and guided the public through the registration process.

Data Entry Data Verification Data Quality Assurance Electronic Voter Registration KIEMS Kit Communication Skills Teamwork Data Protection Confidentiality Survey Administration Mobile Data Collection

Data Annotator

Toloka Inc.

Jan 2023 - Dec 2025 (2 years 11 months)

Annotated and labelled large datasets (text, images, and audio) in alignment with project-specific guidelines. Performed quality checks, met production targets, and provided feedback on annotation guidelines.

Data Annotation Data Labeling Quality Assurance Natural Language Processing Computer Vision Attention To Detail Time Management Feedback Pattern analysis

Polling Clerk

Independent Electoral and Boundaries Commission (IEBC)

Aug 2022 - Aug 2022 (0 months)

Managed the issuance and accounting of ballot papers, verified voter identity, and operated the Electronic Voter Identification Device. Maintained order at the polling station and assisted in counting and tallying ballots.

Ballot Management Voter Verification Voter Identification Record keeping Reporting Teamwork Professionalism Attention To Detail

Education

Degrees, certifications, and relevant coursework

St. Teresa's Girls Secondary School

Kenya Certificate of Secondary Education, Secondary Education

2012 - 2015

Completed the Kenya Certificate of Secondary Education (K.C.S.E.) from 2012 to 2015.

Coddy Tech

Professional Qualification, JavaScript

Completed a professional qualification in JavaScript through Coddy Tech.

KCA University

Bachelor of Arts, Economics and Business Studies

Pursued a Bachelor of Arts in Economics and Business Studies, gaining a strong foundation in quantitative methods, econometrics, and economic modelling.