AI Benchmark Engineer | Native Language Specialist - Spanish (Argentina) - Remote
LILT (Production)21 hours ago
Remote, ArgentinaSenior
Responsibilities
- Design and engineer high-signal Terminal-Bench tasks for evaluating coding agents in Spanish-language environments.
- Build realistic native-language datasets, files, prompts, and task environments without relying on English translations.
- Develop reference implementations and deterministic verifier scripts, using rubric-based judging only when necessary.
- Analyze execution logs and calibrate task difficulty from Easy to Very Hard across Haiku, Sonnet, and Opus configurations.
- Participate in creation, human review, calibration review, audit, and automated quality checks to ensure benchmark fairness and integrity.
Requirements
- At least 5 years of industry software engineering experience.
- A proven track record at leading technology companies and/or graduation from top-tier engineering universities.
- Native or near-native Spanish fluency with deep knowledge of grammar, register, and phrasing, plus high English proficiency.
- Strong proficiency in Python, standard shell scripting, and data processing.
- Extensive experience with Terminal/CLI-based development workflows and familiarity with coding agents.
- Deep understanding of multilingual text-processing issues, including encoding and decoding, Unicode normalization, locale conventions, text I/O, toolchain interoperability, and safe string operations.
- For applicable languages, familiarity with bidirectional or RTL handling, font fallbacks, and rendering or typography in user interfaces or artifacts.
- Reliable availability and commitment to on-time delivery, with most tasks requiring at least 2 hours per day or 10 hours per week.
Benefits
- Remote, independent-contractor work with flexible scheduling and no fixed hours or micromanagement.
- Competitive rates and prompt payments.
- Access to diverse AI and language-technology projects that can expand professional experience and portfolios.
- Participation in a global community of linguists, subject-matter experts, and language professionals.
- This is a 1099 freelance role with fluctuating availability, no guaranteed hours, and no health insurance, paid time off, or retirement contributions; contractors are responsible for their own taxes.
- Geographic restrictions may apply for regions subject to international embargoes or sanctions.
About LILT (Production)
LILT builds an enterprise translation and localization platform that combines AI models with human linguists to produce multilingual content for businesses and governments. The company also provides data labeling and evaluation services for AI developers, plus managed translation services integrated with common content and support tools. Founded in 2015 and headquartered in San Francisco, it is privately held and works with global organizations that need at-scale, domain-specific localization.