Member of Technical Staff, Digital World Engineer (AI)

Location: San Jose, United States

Salary: $170,000–$400,000 annually

Company

hirify.global is an artificial intelligence company developing personalized multimodal intelligence and next-generation hardware as a unified interface between humans and machines.

What you will do

• Build full-stack agent environments and simulations across frontend interfaces, backend services, APIs, data models, tools, and realistic workflows.
• Develop agent gym infrastructure for orchestration, sandboxing, packaging, benchmarking, and execution across heterogeneous targets.
• Create interconnected, stateful simulations spanning websites, applications, and digital artifacts with dynamic content and events.
• Partner with researchers to integrate environments into reinforcement learning training and evaluation pipelines.
• Build systems for thousands of concurrent sandboxed environments, including isolation, snapshots, resets, recovery, and reproducibility.
• Improve scheduling, resource utilization, throughput, observability, debugging, and failure diagnosis for large-scale rollouts.

Requirements

• Strong full-stack engineering skills across frontend interfaces, backend services, APIs, and data models.
• Experience with stateful backend or distributed systems, including databases, queues, caching, concurrency, consistency, and failure recovery.
• Strong algorithms and systems fundamentals, including workload profiling, bottleneck analysis, and performance validation.
• Ability to design reusable APIs and abstractions for complex environments.
• Careful debugging and testing practices focused on application fidelity, state transitions, reproducibility, and failure handling.
• Creativity, ownership, and the ability to collaborate with researchers on software simulations and agent or reinforcement learning systems.

Nice to have

• Experience with reinforcement learning rollout systems, agent training pipelines, or evaluation harnesses.
• Experience with containers, virtual machines, sandbox runtimes, or orchestration systems for distributed workloads.
• Experience with browser automation, computer-use agents, simulation frameworks, or event-driven dynamic systems.

Culture & Benefits

• Full-time position with a US base salary range of $170,000–$400,000 annually.
• Total compensation may include additional components and benefits depending on the role.
• Work focuses on close collaboration between engineering and research.