ai security engineer

Overview: The AI Prompt Engineer and Fine-Tuner is responsible for optimizing the interactions with AI language models. This role involves crafting effective prompts to elicit desired responses from the model and fine-tuning the model's responses for specific use cases. The ideal candidate will have a strong understanding of AI language models, natural...

Job description Viagens a trabalho não precisam dar trabalho. Essa convicção é o que nos move,e tecnologia é o que nos permite transformá-la em realidade para quem viaja e para quem gerencia viagens. A Onfly é a maior Travel Tech B2B da América Latina. Nascemos para simplificar a gestão de viagens corporativas e, ao longo dessa jornada, descobrimos...

Clara is the leading platform in Latin America for companies to execute and manage every payment operation. More than 50,000 leading and fast-growing businesses run on our corporate cards, bill pay, financing and B2B payments, and in 2025 the Financial Times named Clara the region’s fastest-growing company. We’re passionate about helping every company we...

Join Our Team Oowlish, one of Latin America's rapidly expanding software development companies, is seeking experienced technology professionals to enhance our diverse and vibrant team. As a valued member of Oowlish, you will collaborate with premier clients from the United States and Europe, contributing to pioneering digital solutions. Our commitment to...

Na CI&T , ajudamos grandes empresas a transformar o potencial da AI em impacto real nos negócios com AI Deployment, execução AI-native e tech-integrated business solutions. Com 30 anos de experiência em transformação tecnológica, aceleramos inovação com expertise em agentic SDLC, application modernization, Data & AI, martech e business...

Contract | Remote, worldwide | $100-$200/hour depending on experience and location | 10-20 hrs/week Please note that eligibility may vary depending on your location, as some regions may not be supported by the client. Check out this Loom video for more details: https://www.loom.com/share/b0d1b0bf24c44ae8b95dca84b9db60e5 We're looking for highly...

About Artefact Artefact is a next-generation data and AI consulting firm dedicated to accelerating the adoption of data and AI to create measurable business impact across the full enterprise value chain.We sit at the intersection of consulting, data science, AI technologies, data engineering, and digital transformation. We do not just advise — we build,...

At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions. With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business...

Empresa : Jobgether Tipo de Emprego : Periodo Integral Brazil Senior Machine Learning Engineer / Tech Lead - AI & ML This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Machine Learning Engineer / Tech Lead - AI & ML based in Brazil. This role offers the opportunity to...

At BairesDev, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley. Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works remotely on roles that drive significant impact worldwide. When you apply for this...

At BairesDev®, we've been leading the way in technology projects for over 15 years. We deliver cutting-edge solutions to giants like Google and the most innovative startups in Silicon Valley. Our diverse 4,000+ team, composed of the world's Top 1% of tech talent, works remotely on roles that drive significant impact worldwide. When you apply for this...

Senior Engineer (AI / Robotics / R&D), In-Home Care AI About Sierra Studio When you apply to Sierra, you join an ecosystem. We specialize in connecting talented Brazilian professionals with exciting career opportunities in a highly-vetted small community of growing companies in the US. Applying to Sierra seamlessly integrates you into this ecosystem,...

About The Role What if your C# expertise could directly shape the infrastructure powering the next generation of AI? We're looking for a Senior C# Full-Stack Engineer to build and optimize the data pipelines, annotation tooling, and evaluation systems that leading AI labs depend on to train and improve their models. This is a high-impact, fully remote...

Minimum qualifications:Bachelor's degree or equivalent practical experience.6 years of experience in front-end development, technical UX design, or prototyping.Experience in application development in one platform/area (e.g., web, iOS, Android, CompDes, XR).Preferred qualifications:5 years of experience delivering production UI, interactive prototypes, or...

Job Description What you'll bring You have deep experience in distributed systems and scalable application design, with strong hands‑on skills in LLMs, advanced RAG patterns, and agentic workflows. Strong experience in performance optimization, cost management, and troubleshooting complex production systems is essential. Experience designing evaluation...

Senior Application AI Engineer and Data Scientist - Globalization E-Invoicing Unit Full-time What you'll bring You have deep experience in distributed systems and scalable application design, with strong hands-on skills in LLMs, advanced RAG patterns, and agentic workflows. Strong experience in performance optimization, cost management, and troubleshooting...

# Forward Deployed Engineer (AI & Business Transformation) – Technology & Creative Network | BrazilTruelogicRemoteBrazilSoftware EngineeringPosted Sep 17, 2026About Truelogic At Truelogic we are a leading provider of nearshore staff augmentation services headquartered in New York. For over two decades, we’ve been delivering top-tier technology...

Na CI&T , ajudamos grandes empresas a transformar o potencial da AI em impacto real nos negócios com AI Deployment, execução AI-native e tech-integrated business solutions.Com 30 anos de experiência em transformação tecnológica, aceleramos inovação com expertise em agentic SDLC, application modernization, Data & AI, martech e business strategy....

Estamos buscando uma pessoa que ouse protagonizar com a gente. Responsabilidades e atribuições: Arquitetura de Referência: Definir a evolução do nosso Data Lakehouse no GCP, estruturando o ambiente multi-projeto orientado a domínios/produtos, garantindo isolamento de processamento vs. armazenamento e governança federada, além de definir padrões...

• $30–$100 per hour equivalent, paid per accepted task • 100% remote • Part-time • About 15 hours a week, you choose when Work on the cutting edge of AI coding systems, on your own schedule, and get paid for the backend expertise you already have. The AI coding systems everyone is talking about are trained and tested by real engineers. The teams...