Blanc Labs is a premier partner for global enterprises, leading the way in digitization, automation, and the development of next-generation digital products and services. Our expertise in digital transformation powers businesses to accelerate service delivery, drive customer engagement, and foster growth. We are looking for a hands-on Senior AI Engineer in Argentina to design, build, and deliver cutting-edge AI-powered features. This role sits at the intersection of applied AI, backend engineering, and product development, and is ideal for someone who thrives on turning ideas into production-ready intelligent systems. Key Responsibilities * Build and deliver AI-powered features based on functional and technical requirements provided by TPMs and Principal AI Engineers * Develop end-to-end AI solutions, including backend services, APIs, and application-layer integrations * Integrate large language models (LLMs) into production systems, ensuring performance, scalability, and reliability * Design, test, and optimize prompts to improve output quality and consistency * Collaborate with ML Engineers to embed models trained or fine-tuned on proprietary data into applications * Participate in model evaluation and validation, ensuring outputs meet quality, accuracy, and performance benchmarks * Support testing and deployment of AI features through CI/CD pipelines * Troubleshoot and refine AI behaviours in real-world production scenarios. Qualifications * Strong experience in software engineering, with a focus on backend development (Python preferred) * Hands-on experience working with large language models (e.g., OpenAI, Anthropic, open-source LLMs) * Experience designing and integrating APIs and microservices * Familiarity with prompt engineering and LLM optimization techniques * Understanding of model evaluation frameworks and performance metrics * Experience working with ML Engineers or deploying ML models into production environments * Knowledge of CI/CD pipelines and modern deployment practices * Strong problem-solving skills and ability to work in a fast-paced, collaborative environment Nice-to-Have * Experience with vector databases, embeddings, and retrieval-augmented generation (RAG) * Exposure to fine-tuning models or working with proprietary datasets * Familiarity with cloud platforms (AWS, GCP, or Azure) * Experience building scalable AI/ML systems in production Blanc Labs is enabling a digital future. Headquartered in Toronto, we partner with clients in North & South America to digitize and automate their operations and build their next generation of digital products and services. We empower clients to enhance their digital offerings and bring creative solutions to the market faster. Learn more at www.blanclabs.com.    Blanc Labs is an equal opportunity employer and is committed to employing in accordance with the Ontario Human Rights Code and the Accessibility for Ontarians with Disabilities Act. Accommodations within reason due to a disability or medical need are available on request for candidates taking part in the recruitment process.