Senior Software Engineer (AI Platform)

TL;DR

Senior Software Engineer (AI Platform): Building the model layer and agent infrastructure for a legal AI platform with an accent on context management, model routing, and evaluation frameworks. Focus on designing scalable abstractions and platform primitives to enable product teams to ship reliable agentic AI features.

Location: San Francisco

Salary: $185,000 – $325,000 USD (Offers Equity)

Company

hirify.global is transforming legal and professional services by combining frontier agentic AI with an enterprise-grade platform.

What you will do

• Design and build platform-level systems for context management, session state, and memory that support all agentic products.
• Own infrastructure for model integration and routing to ensure the optimal foundation model is deployed for any context.
• Build shared evaluation frameworks and tooling to systematically measure and improve AI quality.
• Create SDKs, platform primitives, and developer tooling to accelerate the shipment of AI-powered features.
• Evaluate and prototype the latest advancements in agentic systems and AI to integrate them into the platform.

Requirements

• 5+ years of experience in backend systems, with at least 1+ year focused on AI/ML engineering.
• Proven experience building and shipping multi-model or multi-provider AI systems in production.
• Familiarity with context management, session state, or memory systems in AI or distributed systems.
• Track record of building internal platforms, SDKs, or shared infrastructure adopted by other engineering teams.
• Strong judgment regarding abstractions and a pragmatic approach to incremental shipping.
• Must be based in San Francisco

Nice to have

• Experience building evaluation frameworks or working with agent/function-calling architectures.
• Experience in legal or other high-stakes professional services domains.
• Background in early-stage or hyper-growth startups.

Culture & Benefits

• High-intensity environment focused on ownership, decisiveness, and simplicity.
• Rare opportunity to build a generational company at a true inflection point with strong product-market fit.
• Unmatched personal, professional, and financial growth potential.
• World-class investor support and a team committed to excellence.