Jacinta M.

Key Skills

Software

Appen

Clickworker

Data Annotation Tech

Mercor

Micro1

Mindrift

Remotasks

Top Subject Matter

Data Annotation Specialist – Remotasks (Remote)

AI Response Evaluator – Outlier AI (Remote)

AI Content Trainer – Appen (Remote)

Top Data Types

Text

Document

Top Task Types

Entity (NER) Classification

Bounding Box

Classification

Text Generation

Text Summarization

Evaluation/Rating

Data Collection

Prompt + Response Writing (SFT)

Freelancer Overview

I have hands-on experience in AI training, data annotation, and evaluation of content on various remote AI platforms, helping to enhance the overall performance, accuracy, and reasoning capability of AI systems. My expertise has involved assessing AI-based outputs, ranking them based on quality and relevancy, spotting factual errors, annotating structured datasets, and refining prompts. I have taken part in several projects that involved response evaluation in an RLHF approach, sentiment analysis, classification of content, assessing relevancy of searches, and quality of prompt-response pairs. Such activities were highly dependent on close attention to detail, critical thinking, and consistent application of complex annotation guidelines while ensuring high accuracy. My past experience with QA projects at the University of Nairobi, as well as data collection for Kidogo, enhanced my ability to assess the quality of data and detect any inconsistencies within. I am an expert in analytical reasoning, effective written communication, fact-checking, and data validation. My experience with Outlier AI, Appen, Remotasks, and Toloka AI, among other similar platforms, has allowed me to gain extensive knowledge about various aspects of AI training process, content moderation techniques, and feedback-based approaches used in developing today's language models.

Labeling Experience

Graphic Designer & Social Media Manager — content QA and analytical evaluation (Stepsure Training & Research Institute)

Text

Assessed AI-like outputs by reviewing digital content for accuracy, consistency, and quality. Identified errors and inconsistencies in layouts and data visuals, then suggested improvements to increase output reliability. Used analytical tools and logical scripting to support review decisions and optimize performance outcomes. • Reviewed content for correctness and consistency • Flagged errors in layouts and data visualizations • Provided feedback to improve accuracy and performance • Followed complex guidelines for content creation and SEO

2024 - Present

AI Response Evaluator – Outlier AI (Remote)

TextText Generation

Participated in various projects related to AI training and response evaluation, where I had to enhance the accuracy and reasonability of large language models. Some of the tasks I was assigned were checking for factual errors in AI-generated answers, analyzing the tone of the answers, comparing several answers for each prompt and choosing the best one based on given criteria, and other similar tasks. Such tasks helped me improve my analytical skills and comprehension of the instruction.

2026 - 2026

Data Annotation Expert – Remotasks (Remote Position)

ImageBounding Box

Worked as a member of teams that annotated texts and datasets through content categorization, sentiment analysis, transcribed audio validation, and structured labeling of data. I worked on annotations demanding precision and consistency, such as dataset categorization, content safety detection, and ensuring quality through stringent guidelines for annotations. I was able to meet all deadlines without fail while paying careful attention to quality.

2026 - 2026

AI Content Trainer – Appen (Remote)

TextEvaluation/Rating

Worked towards better AI model performance through evaluating search relevance, analyzing AI-written content, and judging the quality of information found online. Duties involved checking output texts, validating the search intent, completing fact-checking assignments, and enhancing the data sets employed for training ML models. Strong writing abilities, internet research capabilities, and the ability to follow strict project guidelines were essential in this position.

2026 - 2026

Prompt Evaluation & Language Quality Assessment Analyst – Toloka AI (Remote)

TextPrompt + Response Writing (SFT)

Engaged in projects related to prompt evaluation and language quality assessment in order to optimize conversational AI models. The tasks involved analyzing prompts and generated replies for grammar and reasoning quality, as well as performing side-by-side comparisons between AI-generated content and identifying inconsistencies. Such work improved my critical thinking skills and helped me become better at noticing subtle mistakes in language.

2025 - 2026

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Education

Work History