Software Engineer (AI)

Location: San Francisco, United States; on-site

Salary: $200,000–$550,000 annual salary, plus significant equity depending on experience.

Company

hirify.global develops safe artificial general intelligence through frontier-scale pre-training, domain-specific reinforcement learning, ultra-long context, and inference-time compute.

What you will do

• Build and maintain web applications and developer-facing tools powered by long-context models.
• Design and implement backend APIs and service integrations.
• Integrate model capabilities into usable product workflows and AI-native interaction patterns.
• Improve reliability, observability, and performance for product-facing systems.
• Collaborate with RL research and environments teams to translate capability improvements into shipped features.
• Iterate on products based on user feedback and real-world usage.

Requirements

• Strong software engineering fundamentals across the frontend and backend stack.
• Experience building and shipping production-grade products.
• Strong product judgment and interaction design skills.
• Ability to translate complex technical systems into simple user workflows.
• Comfort working in ambiguous, fast-moving environments.
• Track record of owning product work end to end.

Culture & Benefits

• Hands-on, focused, collaborative environment with a small, fast-paced team.
• Annual salary of $200,000–$550,000 plus significant equity.
• 401(k) plan with 6% salary matching.
• Health, dental, and vision insurance for employees and dependents.
• Unlimited paid time off.
• Visa sponsorship and a relocation stipend to bring candidates to San Francisco, if possible.