Czech Data Labeling Analyst for AI Training

Welo Global; Sunnyvale (CA); On-site; USD 54,000 - 58,000; Full time

Benefits offered by this job

Paid Sick Time & Holiday (combined): 15 days

Medical, Dental, and Vision Insurance

401(k) Retirement Plan

Free meals (breakfast, lunch, dinner)

Job summary

Welo Global is seeking a Data Labeling Analyst in Sunnyvale, California. In this full-time role, you will execute data labeling and annotation tasks to support speech and voice AI systems. Candidates must possess native-level fluency in Czech and strong attention to detail. This position is 100% onsite with competitive pay and comprehensive benefits, including health insurance and a 401(k) plan. Join us to actively contribute to building the datasets that power real-world AI solutions.

Qualifications

• Must be authorized to work in the U.S. (no visa sponsorship).
• Comfortable in structured, process-driven environments.
• Basic familiarity with AI or speech technology is a plus.

Responsibilities

• Execute high-volume data labeling and annotation tasks across datasets.
• Follow guidelines to ensure data consistency and integrity.
• Adapt to evolving guidelines and workflows.

Skills

Native-level fluency in Czech

Strong written communication skills

High attention to detail

Ability to follow detailed instructions

Education

1–2 years of experience in data labeling or content-focused work

Job description

Welo Global is seeking a Data Labeling Analyst in Sunnyvale, California. In this full-time role, you will execute data labeling and annotation tasks to support speech and voice AI systems. Candidates must possess native-level fluency in Czech and strong attention to detail. This position is 100% onsite with competitive pay and comprehensive benefits, including health insurance and a 401(k) plan. Join us to actively contribute to building the datasets that power real-world AI solutions.