Lisbon (Masea) N.

Data Annotator

Ruiru, Kenya

Experience

Jun 2024 - Sep 2024
4 months

Data Annotator

e2f

  • Annotated and labeled diverse datasets (images, text, audio) to support AI model development.
  • Conducted thorough quality control checks to meet project guidelines and ensure data integrity.
  • Delivered projects on time, consistently meeting or exceeding quality and performance benchmarks.
  • Collaborated with project leads to clarify labeling guidelines and resolve ambiguous cases.
  • Maintained strict data security and confidentiality while handling sensitive information.
  • Contributed to feedback sessions by suggesting improvements to annotation workflows and tool usability.
Apr 2024 - Jul 2025
1 year 4 months

Independent Travel Manager & Virtual Assistant

Dreamport Travel

  • Managed end-to-end travel planning for clients, including flights, accommodations, and tour packages.
  • Leveraged booking platforms and virtual assistance tools to create personalized itineraries.
  • Maintained high customer satisfaction through prompt responses, issue resolution, and relationship building.
Jan 2019 - Present
6 years 11 months

AI Data Trainer

Sama

  • Trained and annotated large datasets for machine learning models with high accuracy and precision.
  • Collaborated with cross-functional teams to review, validate, and refine datasets, boosting AI model reliability.
  • Conducted rigorous quality assurance checks on annotated datasets to ensure compliance with project guidelines and accuracy benchmarks.
  • Utilized various annotation tools and platforms to label text, images, and audio datasets across multiple AI projects.
  • Participated in ongoing learning initiatives to stay updated with emerging AI technologies and methodologies.
  • Ensured data privacy and confidentiality by following strict security and ethical guidelines.
  • Reported bugs and tool issues to the engineering team, supporting continuous platform improvement.
Jan 2016 - Mar 2016
3 months
Nairobi, Kenya

IT Support Intern

Kenyatta National Hospital

  • Provided first-level technical support by troubleshooting hardware, software, and network issues for staff.
  • Guided users in utilizing IT resources, handled account setups, and managed password resets.
  • Maintained documentation of IT support activities and contributed to user manuals or knowledge base.
  • Assisted in network maintenance and IT systems support to minimize downtime in critical hospital functions.
  • Collaborated with IT teams on projects such as system upgrades, equipment deployment, and testing.

Summary

Dynamic and results-driven professional with expertise in IT Support, Virtual Assistance, and AI Data Training. Skilled in delivering excellent technical support, managing complex administrative operations, and ensuring high-quality data for AI model development. Recognized for adaptability in fast-paced environments, ability to handle multiple priorities, and leveraging technology to enhance efficiency, client satisfaction, and organizational outcomes.

Languages

English
Intermediate
Swahili
Intermediate

Education

May 2015 - Dec 2017

Kisii University

Diploma in Information Technology · Information Technology · Kisii, Kenya

Certifications & licenses

Business Skills And Employability Training

Africa Youth Trust

Certificate In Artificial Intelligence, Introduction To AI, Digital Literacy, Workplace Readiness

Samasource

Certificate Of Completion – Independent Travel Manager

Dreamport

Debt Recovery And Collection, Emotional Intelligence, Communication, Business Writing

Yapha Academy

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