I am a Computer Science & Engineering student at UMaT with hands-on experience in AI data annotation, LLM evaluation, search relevance, and web development. I am proficient in Python, NumPy, Pandas, and web technologies; co-founder of UniGuide Africa — an AI-powered platform for university discovery. I am detail-oriented, collaborative, and driven to apply technical skills to real-world AI projects.

Hamdan Salifu Polibu

I am a Computer Science & Engineering student at UMaT with hands-on experience in AI data annotation, LLM evaluation, search relevance, and web development. I am proficient in Python, NumPy, Pandas, and web technologies; co-founder of UniGuide Africa — an AI-powered platform for university discovery. I am detail-oriented, collaborative, and driven to apply technical skills to real-world AI projects.

Available to hire

I am a Computer Science & Engineering student at UMaT with hands-on experience in AI data annotation, LLM evaluation, search relevance, and web development.

I am proficient in Python, NumPy, Pandas, and web technologies; co-founder of UniGuide Africa — an AI-powered platform for university discovery. I am detail-oriented, collaborative, and driven to apply technical skills to real-world AI projects.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate
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Language

English
Advanced

Work Experience

Remote Freelance Data Annotator at RWS Group
September 1, 2025 - November 6, 2025
Work on AI and machine learning projects, labeling and curating datasets to train and improve model performance. Annotate text, images, and visual data with precision while following project-specific guidelines. Conduct quality assurance checks to ensure data consistency and accuracy. Collaborate with team leads to meet deadlines and maintain performance benchmarks.
Content Creator at The Z and H Horizon (YouTube Channel)
January 1, 2023 - November 6, 2025
Produce engaging content focused on technology, business, and education. Handle video editing, graphic design, and SEO optimization. Manage social media engagement and audience growth across platforms.
Café Attendant at Starcom Crystal Internet Café
January 1, 2021 - January 1, 2021
Assisted customers with Microsoft Office, Windows installations, and printing services. Provided basic technical support and ensured smooth operation of computer systems.
Organizer at Dondoli Youth Foundation
January 1, 2019 - November 6, 2025
Spearheaded community clean-up activities and health awareness programs. Promoted environmental hygiene and substance abuse education among youth.
Secretary at Dream Foundation
January 1, 2020 - November 6, 2025
Assisted in fundraising to provide educational materials to public JHS students. Managed documentation and communications to support the foundation’s goals.
GUI Data Annotator (Ubuntu Desktop Operator) at Turing
December 1, 2025 - March 1, 2026
Reconstructed complex GUI task workflows within Ubuntu desktop environments to support multimodal AI model training. Produced high-precision observations and action annotations and structured JSON action sequences for real-world desktop tasks. Used open-source tools such as GIMP, LibreOffice, and VS Code to simulate and document realistic user interactions. Executed Linux system operations, including file navigation, window management, and application configuration. Performed QA on AI-generated task trajectories to identify errors and ensure accuracy and consistency. Contributed to improving training datasets by reducing hallucinations and refining model understanding of GUI-based interactions.
Co-Founder & Developer at UniGuide Africa
January 1, 2025 - Present
Co-founded and developed UniGuide Africa — an AI-assisted platform that helps WASSCE graduates discover universities and programs. Managed and curated datasets for AI-powered search and content recommendations; integrated LLM APIs to automate data-driven content generation. Built frontend & backend using HTML, CSS, PHP, SQL and JavaScript; implemented CRUD, search, and content management. Integrated Gemini API to generate program summaries, automate content creation, and power smart search suggestions. Implemented AI-powered slide generation and automated program description tools to accelerate content production. Managed data collection, UI/UX design, and ongoing performance improvements.
Search Query Optimization & Data Annotator & Audio Annotator at Lionbridge AI (Aurora)
November 1, 2025 - Present
Performed Search Query (SQ) and Output Quality (OP) evaluations on the Aurora platform for Amazon-related tasks. Assessed query intent, product relevance, metadata accuracy, and ranking quality to improve search results. Followed project guidelines to rate and annotate queries consistently under tight deadlines. Worked across multiple data types: product listings, search queries, metadata and relevance signals. Transcribed and annotated audio recordings to support AI speech recognition models. Reviewed and corrected automated transcripts for clarity.
Freelance Data Annotator at RWS Group
June 1, 2025 - Present
Annotate and curate text, image, and multimodal datasets to train and validate AI/ML models. Conduct QA checks to ensure label consistency, guideline compliance and high data quality. Collaborate with project leads to resolve issues and meet delivery deadlines. Achieved consistent annotation accuracy of 80–90% across multiple projects. Used RWS platforms such as Parimango and Multimango.
Content Creator at The Z and H Horizon
January 1, 2023 - Present
Produce tech and educational videos on YouTube; handle video creation (content planning to editing), graphic design, SEO and audience engagement. Manage content strategy and cross-platform distribution to grow channel reach.
Café Attendant at Starcom Crystal Internet Café
January 1, 2016 - January 1, 2021
Provided customer support with Microsoft Office, Windows installations, printing services, and basic technical support.
Technician / Intern at Fekwon Computers
January 1, 2021 - January 1, 2022
Hardware installation, software setup and customer troubleshooting.

Education

Bachelor of Science in Computer Science and Engineering at University of Mines and Technology (UMaT) – Tarkwa, Ghana
January 1, 2024 - January 1, 2028
Pre-Engineering Program (Arts to Engineering) at University of Mines and Technology (UMaT) – Tarkwa, Ghana
January 1, 2023 - September 1, 2023
WASSCE Certificate in General Arts at Wa Islamic Senior High School – Wa, Upper West Region
January 1, 2018 - January 1, 2021
BECE (Basic Education Certificate Examination) at Adabiyat Junior High School – Wa, Upper West Region
January 1, 2006 - January 1, 2017
BSc Computer Science & Engineering at University of Mines and Technology (UMaT)
January 1, 2024 - January 1, 2028
Pre-Engineering Program (Arts → Engineering) at University of Mines and Technology (UMaT)
January 1, 2023 - September 1, 2023
WASSCE at Wa Islamic Senior High School
January 1, 2018 - January 1, 2021

Qualifications

Introduction to Programming with Python (Coursera)
January 1, 2022 - April 1, 2022
Python Programming (OpenLabs Ghana) — In-person course
January 1, 2022 - April 1, 2022
AI Essentials (OpenLabs Ghana)
January 1, 2024 - April 1, 2024
Cybersecurity Fundamentals (OpenLabs Ghana)
January 1, 2023 - April 1, 2023
Web Development Training (OpenLabs Ghana) — Intermediate
January 11, 2030 - November 6, 2025
Python Programming
January 11, 2030 - March 29, 2026
Introduction to Programming with Python
January 11, 2030 - March 29, 2026
AI Essentials
January 1, 2024 - March 29, 2026
Cybersecurity
January 1, 2023 - April 1, 2023
Web Development — Intermediate HTML, CSS, PHP, SQL
January 11, 2030 - March 29, 2026

Industry Experience

Software & Internet, Education, Media & Entertainment, Professional Services