AI Benchmark Engineer | Native Language Specialist - Spanish - Remote
LILT (Production)8 months ago
Remote, SpainSenior
Responsibilities
- Design and build high-signal Terminal-Bench tasks for evaluating coding agents in multilingual software environments.
- Create realistic datasets, files, prompts, and task assets that remain in Spanish and expose multilingual processing failures.
- Develop reference implementations and reliable 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 model tiers.
- Participate in creation, human review, calibration review, audit, and automated LLM-based quality checks.
- Evaluate encoding and decoding robustness, Unicode normalization, locale conventions, text I/O, toolchain interoperability, and safe string operations.
Requirements
- At least 5 years of industry experience in software engineering.
- 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 technical understanding of multilingual text-processing pitfalls, including locale-dependent conventions such as collation, casing, and non-Gregorian dates.
- For applicable languages, familiarity with bidirectional or RTL handling, font fallbacks, and rendering or typography in user interfaces or artifacts.
Benefits
- Remote freelance work as an independent contractor with flexible scheduling and no fixed hours.
- Competitive rates and prompt payments.
- Access to diverse AI and language-technology projects and a global expert community.
- Work availability fluctuates with project demand, and hours are not guaranteed.
- Most accepted tasks require at least 2 hours per day or 10 hours per week.
- This is a 1099 contractor role without 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.