Justin H.

About Me - I'm a versatile freelancer with a proven track record of delivering quality work across multiple platforms and industries. With experience spanning real estate, customer service, and extensive freelance work, I bring a unique combination of business acumen and hands-on problem-solving skills to every project. - Professional Experience - * Freelance Professional | Self-Employed • Successfully built and managed a thriving freelance business across multiple platforms including TaskRabbit, Thumbtack, and Nextdoor • Consistently ranked as a top performer on TaskRabbit, generating substantial revenue through dedicated service • Developed strong client relationships leading to consistent word-of-mouth referrals and repeat business • Managed all aspects of business operations including scheduling, client communications, and financial management * Data Annotation & AI Training Data Specialist | 2+ Years - Extensive experience across the full spectrum of data annotation work, including image annotation, video annotation, bounding boxes, text classification, and tool-use/agentic task evaluation - Outlier (top-rated): completed high volume of projects spanning photo, video, text, and multi-modal AI training tasks - Appen: specialized in audio transcription work, ensuring accurate and detail-oriented output for training datasets - Alignerr: professional voice recording and audio data collection for AI model training - Skilled in RLHF (Reinforcement Learning from Human Feedback), data labeling for LLM fine-tuning, and quality assurance review of annotated datasets - Detail-oriented and consistent, with strong ability to follow complex, evolving labeling guidelines and rubrics - Comfortable with fast platform/tool switching. I'm experienced across multiple annotation interfaces and internal tooling - QA Lead & Founder, Innerhouse Data - Data Annotation Team. Currently leading a small remote annotation team, overseeing quality assurance, task calibration, and client deliverables for AI training data projects. Experience setting up annotation workflows (Label Studio), managing pricing/scoping based on task complexity, and ensuring consistent output quality across a distributed team. * Independent Security Research & Web Application Testing - Independent security researcher specializing in web application vulnerability assessment - Experienced with OWASP Top 10 (2025) vulnerability identification and documentation - Proficient with Burp Suite, ffuf, and manual penetration testing methodology - Delivered professional security disclosure reports to funded startups - Completed OWASP Top 10 certification via TryHackMe * Real Estate Professional | 2+ Years • Gained valuable experience in client relationship management and negotiation • Developed strong communication and precise organizational skills in a fast-paced environment * Additional Experience • Top Dasher at DoorDash, demonstrating reliability and excellence in service delivery • Past customer service experience at Honda dealership and Universal Studios • Proven ability to excel in diverse work environments - Why Choose Me - ✓ Fast Learner: I quickly adapt to new skills and technologies - from picking up new languages (currently I'm studying Indonesian daily) to picking up guitar, coding, and networking fundamentals ✓ Self-Motivated: I handle my own scheduling and project management ✓ Flexible Availability: Available most days of the week to accommodate your project needs ✓ Proven Track Record: Success across multiple freelance platforms with satisfied clients. (Upwork is the next one on the list!) ✓ Business-Minded: Real estate and entrepreneurial background brings strategic thinking to projects ✓ Reliable: Consistent top performance ratings across all platforms I've worked on - Let's Connect - I'm always expanding my skill set, whether it be diving into coding, mastering networking concepts, or picking up instruments, most recently, guitar. I'm always excited to take on new challenges and help bring your projects to life. Helping you, in turn, helps me learn more skills! Feel free to reach out to discuss how I can contribute to your success.