Data Scientist II at Innovid · Buenos…

Innovid is the leading independent omnichannel ad tech platform, empowering marketers to create, deliver, measure, and optimize ad-supported experiences that people love. In 2025, Innovid and Flashtalking merged to create a transparent, scalable alternative to big-tech, walled-gardens, and point solutions across CTV, digital, linear, and social channels. As part of Mediaocean, Innovid is tied into the industry’s core ad infrastructure for omnichannel planning, buying, and billing. ‍ We are proud to lead the industry with our innovation, intelligence, and independence as the company best-suited to power the future of advertising. We are looking for someone who is innovative and likes working in a fast-paced environment, both independently and as part of a multi-disciplined team. You will be working alongside data scientists, analysts, engineers, developers and product managers to deliver data-driven insights and build cutting-edge Artificial Intelligence solutions. Our team focuses heavily on leveraging modern Generative AI to solve complex business problems in the AdTech space. You will be instrumental in building autonomous Agentic workflows, architecting enterprise-scale RAG/GraphRAG systems, and developing end-to-end Generative AI applications that drive real-world impact. Expect to work on multiple projects across a number of clients, from briefing through delivery. The Impact You'll Make: Collaborate in high-impact projects from beginning to end, working with autonomy and accountability. Proactively engage in problem-solving, fault-finding, and addressing issues in the data or approaches as they arise. Read research papers and develop/build concepts/ideas into Prototypes or Proof of Concepts (POC). Design, build, and orchestrate complex AI workflows using Agentic frameworks like LangGraph. Develop advanced knowledge retrieval pipelines, including building, evaluating, and optimizing GraphRAG and semantic search systems. Experiment with advanced prompt/context engineering techniques and fine-tune open-source Large Language Models (LLMs) using parameter-efficient techniques (e.g., LoRA, QLoRA) for domain-specific tasks. Implement robust evaluation frameworks (e.g., LLM-as-a-judge, RAGAS, DeepEval) to monitor and ensure the quality, safety, and relevance of Generative AI outputs. Communication (visual, verbal, and written) of findings to a variety of audiences, including colleagues and clients, both technical and non-technical. What You'll Bring to Us: Degree or advanced training in statistics, mathematics, computer science, or other highly quantitative field or 2-4 years of work experience related to the field Knowledge of advanced statistical and analytical techniques and concepts such as sampling methods, regression, properties of distributions, weighting sample-based data, statistical tests and proper usage, etc. and experience with real-world applications. Working knowledge of data structures, databases, and ETL processes. Applied Machine Learning and Deep Learning experience. Hands-on experience with production ML deployments, including containerization, cloud computing environments, modern data warehousing, workflow orchestration, and infrastructure-as-code. Generative AI experience with an understanding of Agentic Workflows, including practical experience orchestrating stateful, multi-agent applications with LangGraph. Hands-on experience with leading LLM APIs (OpenAI, Anthropic, Gemini) and the Hugging Face ecosystem. Basic understanding of AI model optimization and deployment concepts (e.g., model quantization, vLLM, etc) is a strong plus. Knowledge of working with Coding Assistants to orchestrate several agents. What We'll Offer You: Unlimited Vacations Monthly Inflation updates Lunch Credit OSDE 410 as medical assurance English lessons Gym coverage Internet coverage 1 extra paid month for primary & secondary birthing caregivers Learning & Development - Tools and Training Hybrid & flexible working model - nice offices in CABA with endless snacks & beverages Pet friendly High visibility roles with a tremendous amount of growth potential Global team and cross-company collaboration unlike anywhere else! There is no such thing as the perfect resume, or someone that checks every box. At Innovid, we are generous with our time and knowledge, and always ready to teach. So however you identify and whatever background you bring with you, please apply if this is a role that would make you excited to come into work every day and add to Innovid. Equal Opportunity Employer: Innovid is an equal opportunity employer, committed to our diversity and inclusiveness. We consider all qualified applicants regardless of race, color, nationality, gender, gender identity or expression, sexual orientation, religion, disability or age. We strongly encourage women, people of color, members of the LGBTQIA community, people with disabilities and veterans to apply. We are actively working to be an anti-racist organization. We're committing to creating an inclusive and equitable workplace for all of our employees. You can read more about our commitment to DEI here. If you are located within the EEA and subject to GDPR or are a California resident subject to the California Consumer Privacy Act, click here to understand how Innovid processes your personal information and how you can exercise your rights.