Lead Software Engineer

Job not on LinkedIn

🕒 October 5

🏄 California – Remote

🏄 California – Remote

💵 $104k - $170.4k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

👻 Ghost score 21%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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x.ai

WebsiteLinkedInAll Job Openings

201 - 500 employees

🤖 Artificial Intelligence

🔌 API

💰 $10M Series B on 2017-08

Artificial Intelligence • API

x. ai is a company focused on developing advanced artificial intelligence technologies, specifically through their Grok language models. They offer an API that allows developers to build on their Grok foundation models, which are characterized by state-of-the-art reasoning capabilities. The company is running a public beta program to encourage the use of their API and provides free credits for developers during this period. Their recent release, Grok-2, showcases their cutting-edge advancements in AI language models. x. ai also provides career opportunities for roles related to AI engineering and research, particularly in reasoning and data.

📋 Description

• Lead a team of AI Tutors responsible for delivering training data and evaluations for SpaceXAI models • Own end-to-end quality and delivery for assigned Human Data projects • Personally review domain work for accuracy, consistency, guideline adherence, and quality at scale • Lead, coach, and performance-manage AI Tutors, including reviews, records, action plans, shadow sessions, and continuous improvement • Oversee and participate in labeling and reviewing tasks • Manage taxonomies and quality assurance processes • Identify operational bottlenecks, implement process improvements, and track KPIs through dashboards • Build, update, and deliver training materials, practice tasks, and certification benchmarks • Manage certifications and workforce adjustments • Collaborate with Human Data Managers, Team Leads, and Engineering on labeling strategies and requirements • Coach and develop talent while supporting accountability, performance culture, and disciplinary actions • Document outcomes and report project status, risks, and results • Represent tutors and foster collaboration across the Human Data organization

🎯 Requirements

• 1+ years of hands-on experience in data labeling, annotation, AI training/evaluation, content quality, or similar operational domains • Professional experience building scalable, high-performance technology applications • Experience with data quality metrics, annotation processes, and guideline-driven workflows • Basic understanding of AI and machine learning concepts and how high-quality training data impacts model performance • Experience with performance management, coaching, training program development, and certification frameworks • Candidates must be based in one of the listed countries where SpaceXAI has a physical office; remote work is also possible • Preferred: experience leading small teams in data labeling, annotation, or related operations • Preferred: proficiency in data analysis and associated tools; SQL is a plus • Preferred: experience managing mixed employment types or distributed teams • Preferred: specialty or strong domain expertise in Finance, STEM, Coding/Software Engineering, or other technical fields

🏖️ Benefits

• Equity • Comprehensive medical, vision, and dental coverage • 401(k) retirement plan • Short- and long-term disability insurance • Life insurance • Various discounts and perks • Health insurance for eligible U.S.-based positions • Paid sick leave for eligible U.S.-based positions