Jobs / United States / Scale AI INC
Senior Staff Frontier Agents Engineer
Scale AI INC · 🇺🇸 San Francisco, CA; New York, NY
Sponsorship verdict
Sponsorship possible
One solid signal, not two — worth applying, and worth asking about sponsorship early.
- Employer is on a government sponsor recordThe US Department of Labor certified 74 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 3 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
- The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
- No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
- What Scale AI INC paid sponsored hires in similar roles29 certified filings for “Software Engineer” (Software Developers) in CA: $210k–$235k, median $216k. Most were filed at wage level II (34%) — 2 lottery entries, ≈31% projected selection odds for cap-subject employers. Source: US Department of Labor LCA disclosure data (Oct 2025 – Jun 2026).
- Confirmed live todayWhen a source last listed this job as open.
US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).
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Sponsor Radar — Scale AI INC
The US Department of Labor certified 74 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 3 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
Past sponsorship or register membership never guarantees sponsorship for this vacancy or for you. Full Sponsor Radar for Scale AI INC →
About the role
About Scale AI Scale AI is the data foundation for AI, helping organizations build and deploy reliable production AI applications. We partner with leading enterprises and government organizations to accelerate their AI initiatives through our data annotation platform, generative AI solutions, and enterprise AI capabilities. Role Overview As a Senior Staff Frontier Agents Engineer on our Enterprise team, you'll be the technical bridge between Scale AI's cutting-edge AI capabilities and our most strategic customers. You'll work with enterprise clients to understand their unique challenges, architect custom AI solutions, and ensure successful deployment and adoption of AI systems in production environments. This is a hands-on technical role that combines deep engineering expertise with customer-facing problem solving. You'll work directly with customer engineering teams to integrate AI into their critical workflows. Key Responsibilities Customer Integration & Deployment • Partner directly with enterprise customers to understand their technical infrastructure, data pipelines, and business requirements • Design and implement custom integrations between Scale AI's platform and customer data environments (cloud platforms, data warehouses, internal APIs) • Build robust data connectors and ETL pipelines to ingest, process, and prepare customer data for AI workflows • Deploy and configure AI models and agents within customer security and compliance boundaries AI Agent Development • Develop production-grade AI agents tailored to customer use cases across domains like customer support, data analysis, content generation, and workflow automation • Architect multi-agent systems that orchestrate between different models, tools, and data sources • Implement evaluation frameworks to measure agent performance and iterate toward business objectives • Design human-in-the-loop workflows and feedback mechanisms for continuous agent improvement Prompt Engineering & Optimization • Create sophisticated prompt engineering strategies optimized for customer-specific domains and data • Build and maintain prompt libraries, templates, and best practices for customer use cases • Conduct systematic prompt experimentation and A/B testing to improve model outputs • Implement RAG (Retrieval Augmented Generation) systems and fine-tuning pipelines where appropriate Technical Leadership & Collaboration • Serve as the primary technical point of contact for strategic enterprise accounts • Collaborate with customer data scientists, ML engineers, and software developers to ensure smooth integration • Provide technical training and knowledge transfer to customer teams • Work closely with Scale's product and engineering teams to translate customer needs into product improvements • Document technical architectures, integration patterns, and best practices Problem Solving & Innovation • Debug complex technical issues across the entire stack, from data pipelines to model outputs • Rapidly prototype solutions to unblock customers and prove out new use cases • Stay current on the latest AI/ML research and tools, bringing innovative approaches to customer problems • Identify opportunities for productization based on common customer patterns Required Qualifications • 12+ years of software engineering experience with strong fundamentals in data structures, algorithms, and system design • Production Python expertise with experience in modern ML/AI frameworks (e.g., LangChain, LlamaIndex, HuggingFace, OpenAI API) • Experience with cloud platforms (AWS, GCP, or Azure) and modern data infrastructure • Strong problem-solving skills with the ability to navigate ambiguous requirements and rapidly iterate toward solutions • Excellent communication skills