Member of Technical Staff (AI Software Engineer, Agent Engine)
Join Perplexity's Agent Engine team to advance AI capabilities for millions of users.
Posted by employer 6 hours ago
First seen on Joblaze 1 hour ago
Last verified on the company career page 1 hour ago
Skills & Technologies
What you'll build
- Designing frontier agent harnesses and systems
- Leveraging action and decision models
- Providing excellent experiences across environments
- Developing permission architectures and payload classifiers
- Designing optimal data representations
Must have
- Strong foundational familiarity with the AI systems stack
- Proficiency in Python
Nice to have
- Experience in harness engineering
- Experience in agent skills and plugin architectures
- Experience in model training and reinforcement learning
- Experience in browser technologies
Not disclosed in this posting: compensation, years of experience, work arrangement, visa sponsorship.
Joblaze summary
In this role, the engineer will focus on developing advanced agent systems that enhance user interactions and solve complex AI challenges. Key skills include a solid understanding of AI systems, proficiency in Python, and experience with harness engineering or model training. This position is ideal for someone with a strong technical background who thrives in a fast-paced environment and values user experience. The Agent Engine team is dedicated to pushing the boundaries of AI capabilities for a diverse user base.
Joblaze insights
- Listed today — first seen on Joblaze October 26, 2026. Last confirmed on Perplexity's careers page October 26, 2026.
- Python appears in 49.1% of 279 comparable staff ai/ml roles in United States; TypeScript appears in 9.3% of 279 comparable staff ai/ml roles in United States.
Quick facts
- What's the tech stack?
- Joblaze extracted these technologies from the posting: AI/ML, Go, Python, Rust, TypeScript.
- What seniority level is this role?
- Perplexity targets staff-level candidates for this position.
- Is this full-time or contract?
- Full-time for this Member of Technical Staff (AI Software Engineer, Agent Engine) role at Perplexity.
From the original posting
Perplexity is seeking energetic engineers to join our highly driven Agent Engine team. The Agent Engine team designs and builds powerful agentic experiences including Perplexity Computer, the Comet ecosystem, our Agent API, and more. In short, we build frontier intelligence systems for the world's most discerning users.
As an engineer on our Agent Engine team, you'll bring AI expertise, sharp product intuition, and a tinkerer's mindset to advance the frontier of what agents can accomplish for our millions of devoted users. You'll work across engineering and applied research to solve many open problems in AI, including:
Designing frontier agent harnesses and systems to perform high-stakes, mission-critical work for our users;
Leveraging action and decision models that determine, based on complex multimodal states, how to accomplish user-specified objectives;
Providing consistently excellent experiences across local execution, headless cloud, custom executors, and other environments through sound system design and flexible abstractions;
Developing permission architectures, payload classifiers, and other methods to implement secure-by-design agentic capabilities;
Designing optimal data representations and modes of interaction between agents and their environments;
and much, much more.
Qualifications
Strong foundational familiarity with the AI systems stack.
Proficiency in Python (bonus points for TypeScript, Go, and/or Rust).
Significant experience in at least one of the following areas:
Harness engineering
Agent Skills and plugin architectures
Model training and reinforcement learning
Browser technologies (CDP, Playwright, extension development, etc.)
Strong technical intuition and taste for user experience excellence.
Comfortable working with a small, fast-moving team; bias toward ownership.
A passion for shipping products that surprise and delight.