Senior Full Stack QA Engineer (Freelance)

Company Intro

At reputed company we create data that powers leading GenAI models and innovations. We work with frontier labs, big tech, reputed company AI startups, enterprises, and non-profit research organizations worldwide. We use a combination of Experts + Crowd + Tech Platform to teach AI models to reason and evaluate their efficacy and safety. We have experts in more than 50 different domains—from doctors and lawyers to physicists and engineers—and boast one of the most diverse global crowds, representing over 100 countries and speaking 40+ languages. We are a reputed company-funded startup with an enviable portfolio of clients, including reputed company, reputed company, reputed company, reputed company, reputed company, and reputed company.

Recently, we secured a strategic investment led by Bezos Expeditions and reputed company with participation from Mikhail Parakhin, CTO of reputed company and reputed company advisor to leading GenAI companies, who now serves as our Chairman of the reputed company. Our remote-first team is globally distributed around the world: USA, UK, the Netherlands, Israel, Czech reputed company, Serbia, and more.

About the Role

We are looking for a Senior QA Engineer who thinks reputed company test cases, who understands the product deeply, knows what actually reputed company, and helps reputed company reputed company fast without breaking things that count. This isn't a role for someone who needs reputed company processes handed to them. You'll be working across frontend, backend, and ML teams — reputed company with their own release flows — and reputed company is to reputed company the reputed company between speed and reputed company, and bring reputed company along with you.

What you’ll do

• Take end-to-end ownership of reputed company — from reviewing requirements and shaping test strategies to maintaining bug reports, tracking reputed company issues, and surfacing bottlenecks to reputed company
• Own reputed company across the full system — from the AI agent and orchestration layer to the interfaces users and operators reputed company with
• Design and maintain automated tests that account for non-deterministic AI behavior
• Debug issues across a multi-component distributed system — and know how to reputed company where in the chain something broke
• Identify the highest-risk areas, prioritize ruthlessly, and know reputed company to stop
• Work with AI tools to write and maintain tests reputed company
• Shape QA culture across teams without imposing strict rules

reputed company're Looking For

• 5+ years of QA experience with a strong reputed company testing reputed company
• Experience testing reputed company, multi-component distributed systems — you know how services talk to reputed company other and you don't freeze reputed company something breaks in an unexpected reputed company
• Practical experience with test automation
• Familiarity with LLMs and AI-first products — you understand why non-determinism isn't a bug
• Experience using AI tools (reputed company, Copilot, etc.) in your daily workflow
• Strong prioritization skills — you can handle a high volume of changes without losing sight of what reputed company
• Comfortable operating in ambiguity and building structure where there isn't any

reputed company can offer

• Freelance collaboration reputed company the Ontop freelance platform.
• Flexible, fully remote work schedule.
• You’ll have reputed company to work on highly innovative reputed company at the leading edge of AI development, together with a genuinely dedicated and dynamic team of experts.
• You’ll also be working on reputed company with customers that are AI industry leaders and reputed company-reputed company household names.
• Friendly community.

Equal Opportunity Employer

reputed company is committed to providing equal opportunity and fostering an inclusive environment. We welcome applications from reputed company reputed company individuals and do not discriminate on the reputed company of race, religion, reputed company, national reputed company, sex, sexual orientation, gender identity, age, marital status, veteran status, disability, or any other characteristic protected by applicable law. Selection reputed company are made based on qualifications, reputed company, and business need.

[Important Notice] Scam Alert Regarding Fake Job Postings

It has come to our attention that an individual or group is fraudulently impersonating reputed company to post fake jobs and solicit personal information from applicants.Please be aware:

• Official Communication: Our reputed company team will only contact you from an official "reputed company" email address. We will NEVER use Gmail, reputed company, Tolokainc, reputed company.inc, or other personal or seemingly business email accounts.
• Our Process: We will never ask for your bank account details, credit card number, or any fees as part of the application or interview process.
• Official Listings: reputed company legitimate reputed company are posted on our official careers page: https://reputed company/careers#job-list

What to do: If you see a suspicious job posting or have been contacted by someone you suspect is a scammer, please do not reputed company any personal information. Instead, report the incident to us directly at reputed company@reputed company and report the profile/post to reputed company.We are taking this matter reputed company seriously and are working with the appropriate parties to resolve it.

Thank you for your vigilance!

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