Empregos de ai safety practitioner em Lisboa

We are seeking experienced AI Safety Practitioners to evaluate the safety, quality, and alignment of frontier AI models across complex, policy-sensitive, and ambiguous ("grey-area") topics. You will assess AI-generated responses, apply safety policies, and help improve model behavior through structured evaluations and feedback.ResponsibilitiesEvaluate...

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: AI Safety Practitioner Type: Contract Compensation: $60–$70/hour Location: Remote Role...

Mercor is assembling a red team to test AI models with adversarial inputs, surface vulnerabilities, and generate data to improve safety for customers.The role involves reviewing outputs on sensitive topics and collaborating with stakeholders across projects.Participation in high-sensitivity tasks is supported with guidelines and wellness resources.You will...

About the job Mercor connects elite creative and technical talent with leading AI research labs. Headquartered in San Francisco, our investors include Benchmark , General Catalyst , Peter Thiel , Adam D'Angelo , Larry Summers , and Jack Dorsey . Position: AI Safety Practitioner Type: Contract Compensation: $60–$70/hour Location: Remote Role...

Evaluate safety, quality, and alignment of frontier AI models on sensitive topics.Assess AI responses, apply safety policies, and provide feedback to improve model behavior.

Evaluate the safety, quality, and alignment of AI models on complex and policy-sensitive topics, providing feedback to improve model behavior.

We are seeking experienced AI Safety Red Teamers to identify vulnerabilities in frontier AI systems through adversarial testing. You will design challenging prompts, uncover model weaknesses, and evaluate AI behavior across complex, high-risk, and ambiguous ("grey-area") topics. Responsibilities Design adversarial prompts to stress-test frontier AI...

We are seeking experienced AI Safety Red Teamers to identify vulnerabilities in frontier AI systems through adversarial testing. You will design challenging prompts, uncover model weaknesses, and evaluate AI behavior across complex, high-risk, and ambiguous ("grey-area") topics.ResponsibilitiesDesign adversarial prompts to stress-test frontier AI...

We are seeking experienced AI Safety Practitioners to evaluate the safety, quality, and alignment of frontier AI models across complex, policy-sensitive, and ambiguous ("grey-area") topics. You will assess AI-generated responses, apply safety policies, and help improve model behavior through structured evaluations and feedback. Responsibilities Evaluate...

Obsidian is seeking proficient bilingual speakers (English & Portuguese) to help make advanced AI models safer. You will apply language fluency and cultural judgment to evaluate how models handle sensitive topics in Portuguese. No AI/ML experience is required — training will be provided on the workflow. You will write expert-level prompts in Portuguese,...

Mercor is seeking a remote AI red team professional to probe conversational AI models through jailbreaks, prompt injections, and misuse cases. You will generate high-quality human data, annotate vulnerabilities, and flag systemic risks using structured frameworks to keep testing consistent. The role emphasizes documenting reproducible attack cases and...

We are seeking experienced AI Safety Practitioners to evaluate the safety, quality, and alignment of frontier AI models across complex, policy-sensitive, and ambiguous ("grey-area") topics. You will assess AI-generated responses, apply safety policies, and help improve model behavior through structured evaluations and feedback. Responsibilities - Evaluate...

Location: Remote Fluent Language Skills Required: English & Portuguese (global, excluding Brazilian Portuguese). Native fluency in English and Portuguese (global, excluding Brazilian Portuguese) is required for this position. Why This Role Exists At Mercor, we believe the safest AI is the one that’s already been attacked - by us. We are assembling a red...

About the role We're hiring proficient bilingual speakers (English & Portuguese) to help make advanced AI models safer. You'll apply your language fluency and cultural judgment to evaluate and strengthen how these models handle sensitive topics in Portuguese. No prior AI/ML experience is required — we'll train you on the workflow. What you'll do Write...

Obsidian is seeking proficient bilingual speakers (English & Portuguese) to help make advanced AI models safer. You will apply language fluency and cultural judgment to evaluate how models handle sensitive topics in Portuguese.No AI/ML experience is required — training will be provided on the workflow. You will write expert-level prompts in Portuguese,...

Location : Remote Fluent Language Skills Required: English & Portuguese (global, excluding Brazilian Portuguese). Native fluency in English and Portuguese (global, excluding Brazilian Portuguese) is required for this position. Why This Role Exists At Mercor, we believe the safest AI is the one that is already been attacked - by us. We are assembling a...

Location: Remote Fluent Language Skills Required: English & Portuguese (global, excluding Brazilian Portuguese). Native fluency in English and Portuguese (global, excluding Brazilian Portuguese) is required for this position. Why This Role Exists At Mercor, we believe the safest AI is the one that is already been attacked - by us. We are assembling a red...

Mercor is seeking experienced AI Safety Red Teamers to identify vulnerabilities in frontier AI systems through adversarial testing. You will design challenging prompts, uncover model weaknesses, and evaluate AI behavior across high-risk and ambiguous topics.Responsibilities include designing adversarial prompts, identifying jailbreaks, unsafe behaviours, and...

Mercor in Lisbon, Portugal seeks an experienced AI Safety Practitioner to evaluate the safety, quality, and alignment of frontier AI models across complex, policy-sensitive topics. You will assess AI-generated responses, apply safety policies, and help improve model behavior through structured evaluations and feedback. Responsibilities include evaluating...

TSMG is seeking a dedicated remote professional for a multi-month project to test and evaluate an AI agent during its development stage. You will generate prompts, assess responses, and ensure safety by avoiding harmful outputs. Training is provided online before starting, with a fully remote, full-time arrangement for several months. Fluent Portuguese and...