AI Software Engineer, Agents

Nexus; San Francisco (CA); On-site; USD 135,000 - 200,000; Full time

Job summary

An innovative firm is seeking an AI Software Engineer to join their dynamic team in San Francisco. In this role, you will help design and implement intelligent agents that leverage advanced AI technologies. You will work on creating frameworks for task planning and optimizing agent behavior while collaborating with top researchers in the field. This role offers an exciting opportunity to contribute to groundbreaking projects in AI, making a significant impact in a rapidly evolving industry. If you are passionate about AI and eager to work in a collaborative environment, this position is perfect for you.

Benefits

Competitive salary and equity compensation

Health insurance for employees and dependents

Daily lunch and dinner provided

Company-paid travel to events and conferences

Qualifications

• Solid engineering skills in Python and experience deploying AI systems.
• Deep understanding of LLMs, prompt engineering, and tool-augmented inference.

Responsibilities

• Build frameworks for task planning, tool-use, and memory in LLM-powered agents.
• Collaborate closely with researchers to test and scale agent architectures.

Skills

Python

LLMs

Prompt Engineering

Multi-Agent Systems

Planning Algorithms

Job description

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About Nexus

Nexus is building a world supercomputer by leveraging the latest advancements in AI, cryptography, engineering, and science. Our team of world-leading experts is developing and deploying the Nexus Layer 1 blockchain and Nexus zkVM (zero-knowledge virtual machine) in support of our mission to enable the Verifiable Internet.

About Nexus

Nexus is building a world supercomputer by leveraging the latest advancements in AI, cryptography, engineering, and science. Our team of world-leading experts is developing and deploying the Nexus Layer 1 blockchain and Nexus zkVM (zero-knowledge virtual machine) in support of our mission to enable the Verifiable Internet.

Nexus raised $25M in Series A funding from Lightspeed, Pantera, 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.
• Embrace AI as a core part of how you work, think, and build.
  
  

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).

Seniority level

• Seniority level

  Entry level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Software Development

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