Ara Gamma – Data Engineer (LLM Data & Prompt Engineering) - English language

Data Engineers at Welo Data support the creation and refinement of high-quality datasets used to train large language models for real-world customer support scenarios. The role focuses on designing and evaluating complex prompts that mirror customer journeys and ensuring model outputs align with expectations. You will work closely with engineering teams to generate, annotate, validate, and quality-check data within AI training workflows. This is a short-term, freelance, project-based role with defined hourly commitments and a focus on US-based, English-proficient candidates.