Empregos de frontiers em Braga

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...

Obsidian seeks experienced AI Safety Practitioners to evaluate 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. You will collaborate with researchers and safety teams on...

Mercor seeks UK or Europe-based generalist experts to help train and evaluate frontier AI models. You will review documents, slides, spreadsheets, and other written materials, judging quality, accuracy, clarity, and completeness. Your feedback shapes how AI systems reason about real-world work products. This role suits sharp, detail-oriented generalists who...

Mercor is seeking UK or Europe-based generalist experts to help train and evaluate frontier AI models. In this role, you’ll review documents, slides, spreadsheets, and other materials, judging quality, accuracy, and completeness. Your feedback shapes how AI systems reason about real-world work output. We value sharp, detail-oriented generalists who can...

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,...

Mercor is seeking experienced AI Safety Practitioners 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 reviewing content on...

We’re looking for UK or Europe-based generalist experts to help train and evaluate frontier AI models. In this role, you’ll review and assess a wide range of everyday professional content — documents, slides, spreadsheets, and other written materials — judging them for quality, accuracy, clarity, and completeness. Your feedback directly shapes how AI...

The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify's text-to-speech products to turn whatever they're reading - PDFs, books, Google Docs, news articles, websites - into audio, so they can read faster, read more, and remember more. Speechify's text-to-speech reading products include its...

The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify's text-to-speech products to turn whatever they're reading - PDFs, books, Google Docs, news articles, websites - into audio, so they can read faster, read more, and remember more. Speechify's text-to-speech reading products include its...

Employer: International Iberian Nanotechnology Laboratory (INL) Group/Unit: Domigues Research Group Number of Vacancies: 1 Employment Type: Full time Contract Duration: 12 months* *possible extension up to 36 months, depending on performance Open Date for Applications: May 22nd, 2026 Closing Date for Applications: June 15th, 2026, 23h00m (Lisbon...

AI-Native Software Engineer - Early Career Location: Remote - global applications welcome; Company: Chain GPT Type: Full-Time About Chain GPT Chain GPT is a fast-moving Web3 and AI company building products at the intersection of blockchain infrastructure, token ecosystems, and intelligent automation. We value speed, ownership, clarity, and high...

About Us One of the world's top-ranked cryptocurrency exchanges, we support over 50 million registered users across more than 100 countries — from spot and derivatives trading to structured wealth management. If you thrive in fast-moving environments and want your work to matter at scale, you'll fit right in.The Role We are hiring a Head of Operations to...

The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify's text-to-speech products to turn whatever they're reading - PDFs, books, Google Docs, news articles, websites - into audio, so they can read faster, read more, and remember more. Speechify's text-to-speech reading products include its...

The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify's text-to-speech products to turn whatever they're reading - PDFs, books, Google Docs, news articles, websites - into audio, so they can read faster, read more, and remember more. Speechify's text-to-speech reading products include its...

Freelance Financial Analyst - AI Trainer At Mindrift, innovation meets opportunity. We believe in using the power of collective intelligence to ethically shape the future of AI. What We Do The Mindrift platform connects specialists with AI projects from major tech innovators. Our mission is to unlock the potential of Generative AI by tapping into...

About Smartcat Smartcat is building the future of work, where human expertise meets digital teammates to drive 10x to 1000x productivity gains for the world’s leading enterprises. About Smartcat Smartcat is building the future of work, where human expertise meets digital teammates to drive 10x to 1000x productivity gains for the world’s leading...

Employer: International Iberian Nanotechnology Laboratory (INL)Group/Unit: Domigues Research GroupNumber of Vacancies: 1Employment Type: Full timeContract Duration: 12 months**possible extension up to 36 months, depending on performanceOpen Date for Applications: May 22nd, 2026Closing Date for Applications: June 15th, 2026, 23h00m (Lisbon Time)OverviewThe...

Compensation: AED 15,000 - AED 20,000 per month + Up to 10% Performance Bonus Total Annual Package: Up to AED 282,000 (Tax-Free) The Reality: Dubai = 0% personal income tax. Your offer is your take-home. (In most major markets, 30-50% goes to taxes. Here, 100% of what we offer is what you keep) 📍 Where you'll work: Remote to start → Dubai This role...

📍 Portugal | Hybrid work Infinite Foundry — Real-time 3D Digital Twins What You’ll Do We’re looking for a Junior Sales & Operations Assistant to help our commercial team with the day-to-day work behind our sales activities. This is a junior, hands-on role combining customer outreach, sales support, organization, and logistics. You’ll help us...

About Kaya AIKaya AI is building the system of action for mission-critical construction and infrastructure projects. We help owners, developers, and contractors proactively manage procurement, logistics, and execution across some of the most complex projects in the world, including data centers, life sciences, and advanced manufacturing.Our platform combines...