Welocalize · 10 hours ago
Ara Gamma – Data Engineer (LLM Data & Prompt Engineering) - English language
Welocalize is a company that provides high-quality datasets to enhance AI models. They are seeking a Data Engineer to design and evaluate prompts for Large Language Models, ensuring alignment with customer expectations and working closely with engineering teams to manage AI training data.
ConsultingEducationLocal
Responsibilities
Design complex LLM prompts that accurately represent real customer journeys and service interactions
Partner with Field Engineers to transform raw data into structured, high-quality tasks for model training
Annotate and review tasks to ensure strict quality standards and alignment with expected customer outcomes
Validate and assess model responses to ensure accuracy, relevance, and confidence in outputs
Qualification
Required
Native or professional fluency (C1/C2) in English
Understanding of LLM behavior and prompt engineering principles
Strong attention to detail, critical thinking, and comfort working with ambiguous scenarios
SQL for data extraction
Python (Pandas, NumPy) for data manipulation
Experience with annotation tools (e.g., Labelbox, Prodigy, or similar platforms)
Advanced proficiency in Google Sheets/Drive
Familiarity with version control tools (GitHub)
Experience working with playground environments and prompt debugging
Excellent technical writing skills and ability to clearly explain data requirements
Preferred
Prior experience in data labeling, technical support analysis, or AI model evaluation
Background or exposure to AI-related projects
Company
Welocalize
Welocalize provides translation supply chain management solutions that deliver market-ready, translated content.
Funding
Current Stage
Late StageTotal Funding
$34MKey Investors
Norwest Equity Partners (NEP)Riverside PartnersLLR Partners
2015-06-03Private Equity
2010-11-22Private Equity· $34M
2000-07-01Private Equity
Recent News
Company data provided by crunchbase