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AI Benchmark Engineer | Native Language Specialist - Spanish (Mexico) - Remote

lilt-productionMexico (Remote)LiltLancer Community
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Salary
Not listed
Job type
Contract
Work mode
Remote
Experience
Senior · 5+ yrs
Posted
8 Sept 2026
Status
Open · checked 7d ago

About this role

Based in Mexico with a remote format, this freelance position is suitable for experienced software engineers who want to build and validate multilingual AI evaluation benchmarks. The role focuses on designing tasks to test large language models on complex terminal workflows and non-English data processing.

Role Overview

Lilt is seeking native Spanish-speaking software engineers to design evaluation tasks for large language models within terminal workflows. This contract position involves creating realistic task environments, identifying AI failure points, and ensuring quality control across multilingual software challenges.

Key Responsibilities

Engineer and evaluate coding tasks for AI coding agents.
Build realistic task environments using datasets and native-language files.
Identify failure points in AI performance through native-language prompting and translation.
Write reliable verifier scripts and support reference implementation development.
Calibrate task difficulty levels and analyze execution logs.
Participate in a multi-layer quality control process involving human reviews and automated checks.

Requirements

Minimum of 5 years of professional industry experience in software engineering.
Background featuring experience at leading technology companies or graduation from top-tier engineering universities.
Native or near-native fluency in Spanish, alongside high English proficiency.
Proficiency in Python, standard shell scripting, and data processing.
Experience with command-line interface development workflows and coding agents.
Technical understanding of multilingual text processing challenges, including encoding robustness and locale-dependent conventions.

Skills and Tools

Python
Shell Scripting
Terminal and CLI workflows
Coding Agents
Unicode and encoding normalization tools

About the Company

Lilt provides multilingual AI and human-verified services to enterprises, governments, and artificial intelligence developers. The company aims to make global information universally accessible regardless of language barriers.

How to Apply

Interested candidates should submit an application with an updated English CV on the official company careers page.

Skills and tech stack

Questions candidates ask

What is the location requirement for this role?

This is a remote freelance position based in Mexico.

What level of experience is required?

Candidates must have at least 5 years of industry experience in software engineering.

What language proficiencies are necessary?

Native or near-native fluency in Spanish is required, along with high English proficiency.

Is this a full-time position with benefits?

No, this is an independent contractor role intended as a supplemental income stream rather than a full-time job, and it does not include standard employee benefits like health insurance or paid time off.

What are the time commitment expectations?

Most tasks require a minimum commitment of 2 hours per day or 15 to 20 hours per week.

Ready to apply?

The application is on the official lilt-production careers page.

Apply on company site