Vagas na Keystone Recruitment em Brasil

We are seeking experienced Environmental Scientists and Specialists...to join our customer's team as AI Trainers.In this remote role... · ...

We are seeking an Environmental Engineer to apply technical expertise toward the advancement of AI-driven environmental solutions.In this remote role, you will leverage your experience in water resources, air quality, soil remediation, and regulatory compliance to help train and ...

We are seeking an experienced Paralegal or Legal Assistant to contribute subject matter expertise to advanced AI training initiatives in the legal domain. In this remote role you will leverage your legal research and document preparation skills to help develop refine and validate ...

Role: Medical Specialist (Remote) · Location: 100% Remote (Global) · Compensation: USD per hour (paid weekly via Stripe/Wise) · Experienced healthcare professionals provide clinical validation and domain expertise for AI healthcare applications. This flexible remote contract leve ...

We are seeking a Postsecondary Education Teacher to contribute subject matter expertise to advanced AI training initiatives.In this fully remote role, you will apply your experience in curriculum design, · academic research,and student engagement to help train and refine next-gen ...

We are seeking a Business Teacher, Postsecondary to combine expertise in business education with artificial intelligence training initiatives.In this remote contract role, you will apply your academic experience to teach advanced business concepts while supporting the development ...

We are seeking an experienced Fullstack Engineering Lead to design build and operate scalable web applications and production-grade LLM-powered systems. · ...

We are seeking a Branch Operations Specialist to contribute expertise in branch banking operations to support advanced AI model training. · In this remote role, you will leverage hands-on experience in teller functions and branch procedures to help develop, refine, and validate A ...

+Job summary · We are seeking a meticulous and analytical Finance & Data Research Analyst to join our customer's team. · +Conduct extensive research to identify, verify, and gather critical financial and business data from multiple digital resources and databases. · Evaluate, org ...

Video Editor - Post-Production Specialist (Remote Contract) · Location: Global Remote · Type: Flexible Hourly Contractor · Create professional video content and document complete editing workflows. Showcase your full post-production process from raw footage to final delivery. · K ...

We are seeking a Bilingual Portuguese STEM Expert to develop high-quality reasoning prompts used to evaluate advanced AI systems. · ...

We are seeking an Environmental Engineer to apply technical expertise toward the advancement of AI-driven environmental solutions. · ...

We are seeking a Health and Safety Engineer to contribute as a subject matter expert for AI training initiatives. In this remote role, you will leverage your industry expertise (excluding mining safety) to annotate real-world scenarios, refine AI understanding, and ensure models ...

In this remote role, you will leverage your expertise in cargo operations, freight documentation, and logistics coordination to help train AI systems that accurately reflect real-world shipping workflows. · ...

We are seeking an experienced Paralegal or Legal Assistant to contribute subject matter expertise to advanced AI training initiatives in the legal domain. · Proven experience as a Paralegal, Legal Assistant, or related legal support professionalStrong legal research capabilities ...

We are seeking a highly analytical Statistical Consultant to contribute expertise in statistical methodology,data validation,and AI model training.In this fully remote contract role,you will apply advanced quantitative techniques to support the development and refinement of AI-dr ...

We are seeking a Career & Technical Education (CTE) Teacher for postsecondary education to join our customer's team as an AI Trainer. · In this remote role, you will teach vocational courses below the baccalaureate level while integrating AI concepts into curriculum design. ...

We are seeking an experienced Legal Secretary and Administrative Assistant to serve as a subject matter expert for AI training initiatives. · Provide expert input on legal secretary and administrative tasks for AI model training. · Evaluate AI-generated outputs for accuracy, prof ...

We are seeking an experienced Network and Computer Systems Administrator to support enterprise infrastructure and contribute domain expertise to AI training initiatives. · ...

+We are seeking experienced General and Operations Managers to support a leading AI research lab advancing next-generation machine learning systems. · + · +Create structured tasks and professional deliverables based on common general management and operations scenarios · Analyze ...