Husein A.

Key Skills

Software

Other

Top Subject Matter

AI-powered applications and tools (LLM outputs, usability, beta testing)

API response validation (DummyJSON documentation

structured endpoint testing)

Top Data Types

Text

Image

Audio

Top Task Types

Prompt + Response Writing (SFT)

Cuboid

Transcription

Evaluation/Rating

Data Collection

Freelancer Overview

AI Product Tester & Prompt Engineer (Beta Testing) | CoreStory AI (Remote). Brings 3+ years of professional experience across complex professional workflows, research, and quality-focused execution. Core strengths include Other. Education includes Certificate Course, Coursera (Google) and Certificate Course, Udemy. AI-training focus includes data types such as Text, Computer Code, and Programming and labeling workflows including Prompt + Response Writing (SFT), Evaluation, and Rating.

Labeling Experience

Quality Assurance Specialist | Wokka Technology, Abuja

Other

You performed manual and exploratory testing to assess functionality and usability of mobile applications and SaaS administration platforms. You created test cases and regression test suites to validate product behavior and improve release readiness. You identified, documented, and tracked defects through resolution while collaborating with developers and stakeholders. • Execute comprehensive manual and exploratory test cycles • Build and run regression test suites • Document and prioritize defects for resolution • Validate cross-platform and cross-browser functionality

2024 - Present

QA Intern | HNG Internship, Nigeria

Other

You performed exploratory website testing and API testing by validating request/response behavior against documented endpoints. You verified multiple HTTP methods and assessed response accuracy and functionality. You focused on ensuring API reliability through structured testing activities. • Validate GET, POST, PUT, PATCH, DELETE endpoints • Use Postman and Newman to run API checks • Verify response accuracy and endpoint functionality • Ensure API reliability through structured QA testing

2025 - 2025

AI Product Tester & Prompt Engineer (Beta Testing) | CoreStory AI (Remote)

OtherTextPrompt + Response Writing (SFT)

You participated in beta testing and training of AI-powered applications and tools. You evaluated AI-generated responses and improved model behavior through prompt engineering. You reported issues and feedback to support continuous improvement of AI performance and usability. • Evaluate AI response accuracy, consistency, relevance, and quality • Design and optimize prompts for better system performance • Validate outputs through usability and edge-case reporting • Provide beta testing feedback for ongoing product iteration

Not specified

Education

Work History