Hire the Best Concept Development & Testing Professionals

I'm a QA tester of different kinds— ranging from mobile to pc games, mobile application, pc Softwares, to websites, and crypto related application or website. I also do video editing, specifically short form videos that can be upload in various social media platforms. I am also a full-time freelancer and my time is very flexible therefore i am always ready whenever a task is assigned to me.

I am a remote worker, experienced in software QA testing (usability and functionality testing with websites, mobile apps, and video games). I am comfortable writing bug reports, as well as providing feedback. Aside from quality assurance testing, I have experience in customer service, light administrative duties, data entry, data mining, information retrieval, research, transcription, annotation, tech support, product testing, and mystery shopping.

I have hands-on experience in AI data annotation, labeling, and evaluation, supported by a strong scientific research background that emphasizes accuracy, consistency, and protocol adherence. Through freelance and platform-based AI projects, I have worked on image, audio, and content annotation tasks, carefully following detailed guidelines to produce high-quality training data for machine learning models. My background in biological research has strengthened my ability to analyze complex information, maintain precise documentation, and apply standardized evaluation criteria—skills that directly enhance my effectiveness in AI data labeling, quality assurance, and model training workflows.

I'm Sirkendrick, a reliable freelancer based in Waterloo, Iowa. I spent years working hands-on in physical trades — custodial work, food service, roofing — so I know what it means to show up and get the job done right. Now I'm building my online career and bringing that same work ethic to every project. I specialize in product testing, platform feedback, app evaluation, and written reviews. I'm detail-oriented, easy to communicate with, and I take every job seriously no matter the size. Currently earning my HubSpot certification to expand my digital marketing knowledge. If you need someone dependable who gives honest, thorough feedback — I'm your guy.

Experienced QA Tester | Manual Testing | Bug Reports | Web & Mobile QA Specialist | 5+ Years | Manual Testing | Jira/TestRail | Cross-Platform Manual QA Expert | Web & Mobile App Testing | Fast, Reliable, Detail-Oriented 🎯 Seasoned QA Specialist | Manual Testing Expert | Bug Hunter with 5+ Years of Experience I’m a detail-obsessed QA professional with over 5 years of hands-on experience in manual testing and a strong working knowledge of automation. I’ve successfully tested websites, web apps, and mobile apps for startups and enterprises alike—always with one goal: to ensure flawless user experiences. 🔍 What I bring to the table: Sharp bug detection and system-breaking instincts Fast learner who adapts quickly to new tools and workflows Calm and focused under tight deadlines Clear, actionable bug reporting with tools like TestRail and Jira Cross-platform testing for mobile, desktop, and responsive layouts Whether you're preparing for a product launch or need a second set of eyes on a new feature, I’ll help you catch issues before your users do. Let’s make sure your product is ready for the real world—bug-free and bulletproof.

Experienced facade designer specializing in innovative and sustainable building envelope solutions, with a strong background in quality assurance and production management. Adaptable and passionate about continuous learning and problem-solving.