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Verified active · 18h ago

Principal AI Architect

HopHRHopHR·Technology

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~6 min

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149 days

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01

About the role

Draup is a Series A-funded agentic AI company building the intelligence layer for how global enterprises make workforce and go-to-market decisions. We work with 250+ enterprise clients — including 5 of the Fortune 10 — processing 1B+ job descriptions, 850M+ professional profiles, and signals from 100+ labor databases.

We are now building our Silicon Valley engineering team — a small, senior group focused on next-generation AI research and product.

Location: San Francisco, SoMa — minimum 4 days per week in-office.

What you'll do

• Define and own the architectural vision for next-generation AI systems: novel agent architectures, reasoning systems, and proprietary model development.
• Prototype and evaluate breakthrough AI capabilities — predictive modeling, autonomous signal synthesis, multi-modal intelligence — that create defensible IP.
• Set the technical foundations: data architecture, model serving, agent orchestration, and inference infrastructure for a multi-year product horizon.
• Evaluate and adopt emerging AI paradigms (multi-agent reasoning, RLHF, retrieval-augmented fine-tuning) before they are mainstream.
• Establish engineering standards, architecture review processes, and IP documentation practices for the team.

What we require

• BS/MS/PhD in Computer Science, AI/ML, or related field. PhD or equivalent research depth preferred.
• 5+ years in AI/ML engineering with at least 2 years in a principal engineer or lead architect role.
• Demonstrated history of building original AI systems that became products — not implementations of existing patterns.
• Deep expertise across: LLM training and fine-tuning, agentic system design, knowledge graph construction, large-scale data modeling.
• Comfort operating in greenfield conditions: high ambiguity, high ownership.
• Patents, published research, or shipped products with clear proprietary differentiation are strong signals.
• No visa sponsorship. Must be authorized to work in the US without current or future employer sponsorship.
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Aplyr's read

HopHR is a tech-driven company enhancing workplace productivity with innovative solutions, attracting talent in AI, data science, and product management.

Synthesized from recent postings & public sources

What's promising

  • Focuses on cutting-edge AI and data science roles, indicating a forward-thinking approach.
  • Diverse roles in pharma and technology suggest a multidisciplinary work environment.
  • Strong emphasis on innovation with positions like AI Architect and Agentic Models Engineer.

What to watch

  • Limited public information about company culture and employee satisfaction.
  • Potentially high-pressure environment due to focus on rapid tech innovation.
  • Heavy focus on tech roles may limit opportunities for non-technical professionals.

Why HopHR

  • Specializes in enhancing productivity through tech solutions, setting it apart from generic tech firms.
  • Offers niche roles in pharma analytics, blending healthcare and technology.
  • Emphasizes AI and data partnerships, showcasing a commitment to cutting-edge tech integration.

Aplyr’s read is generated by AI from public sources. Was it useful?

03

About HopHR

Hophr is a company focused on enhancing workplace productivity through innovative technology solutions.

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