Kelvin A.

Key Skills

Software

Other

Top Subject Matter

Structured data quality assurance and guideline adherence for AI/data-labeling-adjacent tasks

QA-oriented software training and data-driven validation

Data-driven application development (structured data handling and QA)

Top Data Types

Text

Image

Top Task Types

No task types listed

Freelancer Overview

Freelance Web Developer (data-driven structured data handling and QA). Brings 4+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Bachelor of Science, University of Nigeria, Nsukka (2024) and Professional Certificate, HNG Internship (2024). AI-training focus includes data types such as Text, Computer Code, and Programming and labeling workflows including Evaluation, Rating, and Computer Programming.

Labeling Experience

Freelance Web Developer (data-driven structured data handling and QA)

OtherText

Provided data-focused quality assurance by interpreting complex client specifications and translating them into accurate, structured outputs. Performed validation and consistency checks on structured inputs/outputs (e.g., JSON from APIs) to reduce errors and handle edge cases. Applied guideline-following and attention-to-detail practices that are directly transferable to annotation QA and relevance evaluation tasks. • Interpreted detailed task instructions/specifications similar to annotation guidelines • Parsed and structured API JSON data for reliable downstream use • Debugged inconsistencies, errors, and edge cases to improve quality • Maintained accuracy and consistency across multiple remote projects

2024 - Present

Professional Frontend Development Program (HNG Internship)

Other

Completed an intensive frontend development program focused on building structured, data-driven applications with strict adherence to coding standards. Implemented structured data handling and React component architecture with attention to style guides and quality benchmarks. Engaged in collaborative workflows including code reviews and QA, reinforcing practices useful for model/data evaluation and training pipelines. • Mastered JavaScript ES6+ and React component architecture • Implemented structured data handling in built applications • Followed coding standards, style guides, and quality benchmarks • Participated in code reviews and QA-oriented collaboration

2024 - 2024

IT Industrial Training Program (BenAgho Technology Solutions)

Other

Built a foundation in systematic debugging, testing, and validating technical solutions for accuracy and consistency. Followed detailed technical specifications and maintained code quality, reflecting strong guideline interpretation habits. Participated in data-driven development activities that emphasize quality assurance workflows relevant to training data preparation. • Performed debugging, testing, and validation for correctness • Followed technical specifications and maintained quality standards • Collaborated with teams on data-driven solutions and information management • Reinforced attention to detail for accurate, consistent outputs

2023 - 2023

Education

Work History