AI Software Engineer, Agents

About Nexus

Nexus is building a world supercomputer by leveraging the latest advancements in cryptography, engineering, and science. Our team of experts is developing and deploying the Nexus Layer 1, the Nexus Network, and Nexus zkVM in support of our mission to enable the Verifiable Internet.

Nexus raised $25M in Series A funding, co-led by Lightspeed and Pantera, with participation from Dragonfly, SV Angel and more.  

We are headquartered in San Francisco, and this role will be in-person with the rest of the Nexus team.

AI Software Engineer, Agents
We're building intelligent agents that can reason, plan, and take action in dynamic environments. As an AI Software Engineer on the Agents team, you'll help architect and deploy multi-step reasoning systems powered by LLMs, tools, and planning algorithms.

Responsibilities

• Build frameworks for task planning, tool-use, and memory in LLM-powered agents.

• Develop execution environments and APIs for agent actions and monitoring.

• Collaborate closely with researchers to test and scale agent architectures.

• Optimize agent behavior for reliability, latency, and cost.

• Contribute to evaluations and benchmarks for autonomy, robustness, and alignment.
  

Requirements

• Solid engineering skills in Python and experience deploying AI systems.

• Deep understanding of LLMs, prompt engineering, and tool-augmented inference.

• Familiarity with multi-agent systems, planning algorithms, or memory architectures.
  

Bonus Points

• Experience in robotics, game AI, or reinforcement learning.

• Building agents for productivity, research assistance, or developer tools.

• Background in cognitive architectures or decision-making systems.

Benefits

• Competitive salary and generous equity compensation

• Health insurance for employees and their dependents

• Daily lunch and dinner provided at SF headquarters

• Company-paid travel to events and conferences

Nexus is committed to diversity in our workforce and is proud to be an Equal Opportunity Employer (EEO).