Lead Ai Quality Engineer

Circle is building the world’s leading AI-powered, all-in-one platform for digital businesses, with a fully remote team and a strong focus on high-impact AI quality engineering.We are seeking a Lead Engineer to build evaluation frameworks, observability tooling, and diagnostic infrastructure for AI agents, while growing and leading the AI Quality...

Circle is building the world’s leading AI-powered, all-in-one platform for digital businesses. We make it possible for creators, coaches, educators, and businesses to bring together their audience with engaging discussions, live streams, events, chat, courses, and payments — all in one place, all under their own brand.We’re proud to be a fully remote...

Circle Internet Financial is hiring a Lead Engineer for the AI Quality engineering team. You will build evaluation frameworks, observability tooling, and diagnostic infrastructure to ensure AI agents perform reliably and cost-efficiently. This is a hands-on, player-coach role with leadership responsibilities.You’ll lead the team, set technical direction,...

Circle is seeking a Lead Engineer for AI Quality to build evaluation frameworks, observability tooling, and diagnostic infrastructure for its AI agents. This hands-on coach role also leads the AI Quality engineering team and collaborates with AI Core engineering to deliver reliable, scalable AI features. You will design datasets, run experiments across...

About the RoleZyte is looking for a Quality Engineer to join our unified Quality Engineering function. This is an automation-first, AI-native role embedded directly within our engineering squads.You will be responsible for designing risk-based test strategies, rapidly converting them into automated checks using AI-assisted development workflows, and...

Jobgether SRL, acting on behalf of a partner, seeks an Expert Team Lead, SWE based in Portugal to lead a team of AI Tutors and drive end-to-end quality for human data projects. The role combines hands-on software leadership with operational excellence in data labeling, annotation, and evaluation. You will translate model requirements into effective data...

act digital is seeking a QA Analyst with a strong focus on AI/ML to join our Lisbon-based team. You will define and execute testing strategies for AI systems, design comprehensive test scenarios, and assess data quality and model behavior to ensure trustworthy AI products. In this role, you will collaborate with Product Owners, Data Scientists, and...

Sword is seeking a Software Quality/QA professional to ensure software is developed, released, and maintained in compliance with regulatory standards. You will collaborate with engineering, product, and regulatory teams to embed quality into day‑to‑day delivery. Role focuses on release management, technical documentation, and adherence to IEC 62304, ISO...

Circle is building the world's leading AI-powered, all-in-one platform for digital businesses. We make it possible for creators, coaches, educators, and businesses to bring together their audience with engaging discussions, live streams, events, chat, courses, and payments — all in one place, all under their own brand. We're proud to be a fully remote...