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Jonnerino Kantoo

@jonnerinokantoo

Freelance data annotator and reviewer focused on accurate, guideline-compliant datasets for AI/ML projects.

Suriname
Message

What I'm looking for

I’m looking for a role where I can label and review high-quality AI datasets with clear guidelines, measurable accuracy, and feedback loops. I value consistent quality control, flexible project work, and opportunities to grow into reviewer/QA responsibility.

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

RW
Current

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.

MS
Current

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.

WA

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.

Education

Degrees, certifications, and relevant coursework

IT

Institute of Management & Information Technology

Bachelor, Network Engineering

2023 -

Studying Network Engineering at the Institute of Management & Information Technology in Paramaribo since October 2023.

IM

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

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