Penetration Tester conducting internal security assessments for SaaS platform. Collaborating with engineering teams to identify and document vulnerabilities while driving remediation efforts.
About the role
- Senior AI Analyst working on advanced ML systems in partnership with the Brazilian Air Force. Atech develops critical technology solutions for defense and security.
Responsibilities
- Architecture, deployment and optimization of AI models, with a focus on Machine Learning (ML) and Large Language Models (LLMs);
- Development and fine-tuning of AI models using advanced RAG (Retrieval-Augmented Generation) techniques, LoRA, quantization and distillation;
- Integration of AI models into production pipelines, ensuring scalability, security and computational efficiency;
- Monitoring and maintenance of models in production, applying MLOps to manage the model lifecycle;
- Collaboration with backend development teams, ensuring interoperability between AI models and Java-based systems and service-oriented architectures;
- Data analysis and engineering, ensuring data quality and curation for AI model training.
Requirements
- Completed Master's degree in Artificial Intelligence, Computer Science, Data Engineering or related fields;
- Advanced English, with the ability to communicate technically and write scientific content;
- 5+ years of experience in Machine Learning and LLMs, including architecture, tuning, deployment and optimization of models;
- Proficiency with AI frameworks and libraries such as TensorFlow, PyTorch, Hugging Face Transformers and LangChain;
- Experience with MLOps using Kubeflow, MLflow, Airflow or Vertex AI for automating and monitoring production models;
- Data pipelines for AI, including feature engineering, data augmentation and handling imbalanced datasets;
- Generative models and NLP, with in-depth knowledge of transformer-based architectures (GPT, BERT, T5, Llama, Mistral);
- Experience with model optimization techniques, including quantization, sparsity, LoRA and supervised fine-tuning;
- Integration of models into APIs and services using FastAPI, Flask or gRPC to serve models in production;
- Experience with scalable inference architectures, including deployment on GPUs, multi-node environments and edge computing;
- Versioning and reproducibility of experiments using DVC, Weights & Biases or MLflow;
- Experience with vector databases such as FAISS, Pinecone, Weaviate or Milvus for implementing RAG (Retrieval-Augmented Generation);
- Strong knowledge of cloud infrastructure for AI, with hands-on experience in AWS (SageMaker, Bedrock), GCP (Vertex AI) or Azure ML.
Benefits
- Meal and food allowance - Swile credit card;
- Transportation allowance;
- Gift voucher and birthday day off;
- Bradesco medical and dental plan - to care for you and your family (direct dependents);
- Gympass (Wellhub) – to support your physical health and energy;
- Health and Wellbeing Program: +Saúde;
- Quick massage at the office;
- Childcare assistance for children up to 71 months;
- Hybrid work model and flexible working hours;
- Profit Sharing (PLR - Participation in Profits and Results);
- Payroll-deductible loan options;
- Private pension plan;
- Life insurance.
Job title
Job type
Experience level
Salary
Not specified
Degree requirement
Tech skills
Location requirements
Senior Treasury Liquidity Analyst at TD managing liquidity reporting processes and supporting regulatory requests. Leading projects to enhance liquidity methodologies and risk management strategies.
Analista de Controladoria IV na Votorantim focado em Impostos Diretos. Realiza apurações, obrigações acessórias e processos de automatização na área fiscal.
Cybersecurity Analyst at CAA - Québec enhancing security resilience and handling vendor coordination. Continuous improvement of security programs and incident response planning with hybrid work schedule.
Digital Channels Analyst optimizing user journeys for financial product sales. Collaborating with marketing and product teams to improve user experience and conversion rates.
Digital Transformation Analyst developing digital tools for real energy assets. Collaborating with engineers to enhance decision - making and operational efficiency in energy infrastructure.
IT Service Desk Analyst providing first line support for IT issues at one of UK's largest electrical wholesalers. Collaborating with teams to ensure efficient incident resolution.
Administrative Analyst at Aviva maintaining relationships with property owners and managing budget reports for hotel operations. Collaborating with hotel supervisors for financial controls and data accuracy.
Analyst managing accounting functions at AACD, a non - profit focused on excellence in orthopedic rehabilitation. Responsibilities include monthly closures, reconciliations, and payroll accounting.
Business Analyst leading the analysis of sales data at Nestlé Waters & Premium Beverages. Collaborating with marketing and sales teams for actionable insights.