Jonnerino Kantoo
@jonnerinokantoo
Freelance data annotator and reviewer focused on accurate, guideline-compliant datasets for AI/ML projects.
What I'm looking for
I’m a freelance Data annotator for RWS and Mindy support, responsible for labeling and categorizing accuracy & result oriented videos and images to support AI and machine learning projects. I focus on strong attention to detail, consistency, and flexible adherence to detailed project guidelines.
Through consistent high performance, I progressed into a Reviewer role where I evaluated annotations, ensured guideline compliance, provided feedback to annotators, and upheld dataset accuracy standards. Alongside annotation work, I bring experience in technical customer service, transcription, and remote copywriting—strengthening my communication, problem-solving, and quality control mindset.
Experience
Work history, roles, and key accomplishments
Freelance Data Annotator
RWS
Aug 2025 - Present (10 months)
Labeled and categorized images and videos to support AI/ML projects, following detailed project guidelines with a focus on accuracy and consistency. Advanced to a reviewer role by evaluating annotations, ensuring guideline compliance, and maintaining dataset accuracy standards.
Data Annotator
Mindy Support
Oct 2024 - Present (1 year 8 months)
Performed ad-hoc data labeling for AI/ML support by tagging images, text, audio, and video using annotation tools. Followed detailed guidelines to maintain consistency and deliver accurate results under tight deadlines.
Freelance Transcriber
Waw Asia
Nov 2021 - Aug 2022 (9 months)
Transcribed spoken audio into written text and labeled background noises based on what was heard. Progressed to a revisor role by reviewing transcriptions for grammar, spelling, punctuation, and syntax errors and correcting issues to maintain content quality.
Transcriber (Temporary)
Sigma AI
Feb 2022 - Jun 2022 (4 months)
Converted spoken audio into written text with strong attention to detail and linguistic precision. Supported AI systems by producing accurate transcriptions that improve accessibility of digital content.
Copywriter (Temporary)
My Converting Copy
Apr 2021 - Oct 2021 (6 months)
Crafted engaging product descriptions for marketing purposes in both English and Dutch while working remotely. Followed writing assignments to produce compelling, consistent copy.
Education
Degrees, certifications, and relevant coursework
Institute of Management & Information Technology
Bachelor, Network Engineering
2023 -
Studying Network Engineering at the Institute of Management & Information Technology in Paramaribo since October 2023.
IMEAO-4
High school, High School
2016 - 2021
Completed high school at IMEAO-4 in Paramaribo from October 2016 to August 2021.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Job categories
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