2–5 years of experience in data annotation operations, ML data workflows, or software/data engineering. Proficiency in Python scripting for automation and data handling (JSON, JSONL, CSV). Experience with annotation tooling (e.g., Scale AI, Labelbox, SuperAnnotate) is highly preferred. Comfort working with AWS S3 and cloud-based storage pipelines. Strong communication skills. Experience in multi-stage annotation workflows or model-in-the-loop systems.