Language Engineer

Harvey Nash USA has been engaged to find a talented AI Linguist for a Large Professional Networking Client.

Job Title: AI Linguist

Location: Hybrid in Mountain View, CA

Duration: 12 Months Contract

Client is the world s largest professional network, built to help members of all backgrounds and experiences achieve more in their careers. Our vision is to create economic opportunity for every member of the global workforce. Every day our members use our products to make connections, discover opportunities, build skills and gain insights. We believe amazing things happen when we work together in an environment where everyone feels a true sense of belonging, and that what matters most in a candidate is having the skills needed to succeed. Join us to challenge yourself with work that matters.

We trust each other to do our best work where it works best for us and our teams. This role offers both hybrid and remote work options. This means you can work from home and commute to a company office, depending on what's best for you and when it is important for your team to be together, or you can work remotely from most locations within the country listed for this role.

The HALO team at Client leverages large volumes of data and state-of-the-art machine learning techniques to understand what our 1B members read and write about on Client .com. AI Engineers and Linguists work together to impact positively on the Client feed experience, personalized content recommendation, ads relevance and more.

We are seeking AI Linguists to join our diverse and interdisciplinary team to focus on AI quality, evaluation, and annotation and to contribute with their expertise to the annotation/human judgment pipeline development that lay at the foundation of the Client AI model development and improvement.

Responsibilities:

Design and execute on solutions for AI quality, evaluation, and annotation

Leverage Generative AI prompting, human input, hybrid approaches in the development of scalable and high-quality human judgment workflows

Conduct data-driven analysis and provide linguistic insights for project development

Be part of working groups that develop high-quality human judgment/annotation/evaluation pipelines

Create documentation and guidelines for standard procedures of internal processes

Research new methodologies for process and product improvement

Maximize productivity, process efficiency and quality through streamlined workflows, process standardization, documentation

Must-Have Skills

• Technical Solution Design: Ability to design annotation frameworks and jobs based on technical requirements.
• Annotation Guideline Development: Clear experience in writing instructions for annotators.
• Data Analytics: Ability to analyze post-annotation data and compute performance metrics.
• Basic Python: At least 1 year of experience; not building scripts but using/editing them for data processing.
• Google Spreadsheets: Advanced use, including formulas.
• Appen (or similar platform): Experience designing tasks on annotation platforms.
• Cross-Functional Collaboration: Proven ability to work with engineers, data scientists, and product teams.
• Strong English Communication Skills
• Native Language Expertise (at least one of the following):
• French (France)
• German
• Spanish (Spain) or Brazilian Portuguese

Nice-to-Have Skills

• SQL: Used for metric calculations via scripting (not programming-heavy).
• Experience in Semantic Search, Prompt Engineering, or LLM-based workflows.
• Background in Computational Linguistics, Language Engineering, or related fields.
• Experience working with external vendors and training annotator workforce.
• Familiarity with Golden Set creation, quality assurance, model evaluation.

A reasonable, good faith estimate of the minimum and maximum hourly wage for this position is $52- $57/hr. on W2. Benefits will be available, and details are available at the following links:

• Benefits Summary: Why You Should Work with US
• Benefits Details 2024 - 2025: 2024 Benefits Guide (Contract Employees)
• 401K Plan: 2025 Harvey Nash 401k Plan