Empregos de braintrust em Braga

Braintrust is seeking a seasoned software engineer to help a top AI lab evaluate and improve large language models through security-focused coding tasks. You will evaluate vulnerabilities, reproduce exploits, verify patches, and create prompts and reference answers; assess model outputs for code generation, debugging and refactoring. Remote contracting with...

Braintrust is seeking an AI Engineer to build and scale conversational agents for a healthcare-focused AI platform. You will design prompt strategies, manage multi-phase workflows, and integrate AI with backend systems, queues, and APIs. You will work on a 4-phase architecture, improve performance, reliability, and costs, and leverage telemetry and testing...

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...

Help a top AI lab evaluate and improve large language models through security-focused coding tasks. Bring your software-engineering judgment and hands‑on security experience to work involving vulnerabilities, exploit verification and security patches. This is a contracting engagement, with potential for a longer-term engagement. Remote candidates in the...

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...

This role is open to candidates in US, Europe, Canada and LATAM** About The Role We are building a healthcare-focused AI platform that automates patient engagement through conversational workflows (SMS and voice). At the core is an LLM-powered chatbot that operates as a multi-phase system combining structured data extraction, reasoning, message generation,...

SIEM & Threat Detection Engineer | Security OperationsBuild, tune and continuously improve enterprise threat detection capabilities.Portugal - Candidates must already have the legal right to work in Portugal.International Cybersecurity ProgrammeWe're looking for an experienced SIEM & Threat Detection Engineer to join a major international cybersecurity...

This position is listed on behalf of a partner company, who manages all applications and next steps.Our partner is looking for a Lead Engineer, AI Platform based in Germany.This role offers the opportunity to lead the engineering foundation behind reliable, measurable, and scalable AI-powered features.You'll build evaluation frameworks, observability...

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Lead Engineer, AI Platform based in Germany. This role offers the opportunity to lead the engineering foundation behind reliable, measurable, and scalable AI-powered features. You'll build evaluation frameworks, observability...

This position is posted by Jobgether on behalf of a partner company.We are currently looking for a AI Platform Engineer, Applied AI in Portugal.Join a fast-growing, fully remote technology company building innovative AI-powered experiences for a global user base.In this role, you will lay the foundation for production-grade AI systems, focusing on...

About UsCircle 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...

Please note: this is a short-term projectInterview language: EnglishIn this hourly, remote contractor role, you will work as a CBRN Specialist (SME) to review AI-generated content related to chemical, biological, radiological, and nuclear safety topics and/or create high-quality reference content that supports safe, accurate, policy-aligned AI behavior.You...

SME Careers, a fast-growing AI Data Services company and a subsidiary of SuperAnnotate, is seeking a CBRN Specialist (SME) on an hourly remote contract.You will review AI-generated content related to chemical, biological, radiological, and nuclear safety topics, ensuring accuracy, safety framing, and policy alignment.You will assess outputs for correctness,...