Steven Odhiambo

Key Skills

Software

Appen

CrowdSource

Top Subject Matter

No subject matter listed

Top Data Types

Text

Audio

Top Label Types

Classification

Text Generation

Freelancer Overview

I am an experienced data annotation and AI training data specialist with a strong background in evaluating, labeling, and moderating diverse datasets, including image, text, speech, and LiDAR data. My work spans several years as a freelancer for global clients, where I have managed large-scale data entry, labeling, and verification projects, conducted quality checks, and provided detailed feedback to improve AI models. I am skilled in using tools like Google Sheets and Excel for data sourcing, cleaning, and validation, and have contributed to projects in computer vision, natural language processing, and search relevance. My analytical mindset, attention to detail, and ability to identify inconsistencies in AI outputs enable me to deliver high-quality, reliable training data for machine learning applications.

Labeling Experience

Audio Data Annotation

CrowdsourceAudioText Generation

Worked on large scale audio data labeling projects focused on improving speech recognition and conversational AI models. Tasks included accurate transcription of audio recordings, speaker differentiation, emotion recognition, and quality evaluation of AI-generated outputs. Followed strict annotation guidelines, ensured consistency, and maintained high accuracy through self-review and quality checks. Contributed to training and fine-tuning language models using diverse audio datasets.

Worked on large scale audio data labeling projects focused on improving speech recognition and conversational AI models. Tasks included accurate transcription of audio recordings, speaker differentiation, emotion recognition, and quality evaluation of AI-generated outputs. Followed strict annotation guidelines, ensured consistency, and maintained high accuracy through self-review and quality checks. Contributed to training and fine-tuning language models using diverse audio datasets.

2024 - 2025

Data Labeler / Data Annotation Specialist

AppenTextClassification

As a Data Labeler / Data Annotation Specialist, I annotated and reviewed text, audio, and image data in accordance with specific guidelines. My work required a high level of accuracy and attention to detail for AI and machine learning objectives. I consistently maintained quality standards while meeting deadlines on labeling assignments. • Performed classification and annotation of text, audio, and image data for AI training purposes. • Followed detailed labeling guidelines to ensure accurate output and consistent quality. • Reviewed and validated labeled datasets to identify and correct any errors. • Contributed to machine learning model improvement by providing high-quality labeled data.

As a Data Labeler / Data Annotation Specialist, I annotated and reviewed text, audio, and image data in accordance with specific guidelines. My work required a high level of accuracy and attention to detail for AI and machine learning objectives. I consistently maintained quality standards while meeting deadlines on labeling assignments. • Performed classification and annotation of text, audio, and image data for AI training purposes. • Followed detailed labeling guidelines to ensure accurate output and consistent quality. • Reviewed and validated labeled datasets to identify and correct any errors. • Contributed to machine learning model improvement by providing high-quality labeled data.

2020 - 2024

Education

Work History