Our stack is broad: custom training of AI models (ML, deep learning, computer vision), open- and closed-source foundation models (GPT, LLaMA), knowledge graphs (Neo4j), data pipelines with Airflow, Snowflake, and Databricks, backend with Python/Django, frontend with Vue.js, API design following OpenAPI 3.0, CI/CD, cloud operations on AWS, Azure, GCP, or on-prem, microservices with Docker, infrastructure as code with Terraform and Ansible, identity management with Keycloak, encryption with VeraCrypt, monitoring with Sentry, package management with Rye.