Role in brief
Circle is seeking a Lead Engineer for their AI Platform, focusing on LLM-powered agents. Candidates with 7+ years in production software and expertise in Ruby on Rails or Python should consider applying.
About the role
As a Lead Engineer at Circle, you will be responsible for developing and enhancing the AI Platform, particularly leveraging LLM-powered agents. This role requires a strong background in building production software and the ability to navigate a dynamic and sometimes ambiguous environment.
The team values fast learning and experimentation, making it essential for candidates to be adaptable and comfortable with rapid changes. Success in this role involves not only technical proficiency but also the capability to design effective evaluation frameworks for ML/AI systems.
The position offers a competitive salary of $170,000, along with equity options.
Skills that matter here
- Ruby on Rails: This role requires proficiency in Ruby on Rails for developing the AI Platform.
- Python: Python is another key language for building and shipping production software in this position.
- ML/AI systems: Experience with ML/AI systems is crucial for designing and evaluating LLM-powered agents.
- evaluation frameworks: You will need to build evaluation infrastructure to assess the performance of AI models.
Who this role suits
- A senior engineer with over 7 years of experience in production software.
- Someone who thrives in fast-paced and ambiguous environments.
- A quick learner who is eager to experiment with new technologies.
- Proficient in English at a high level, enabling effective communication.
From the employer
Requirements
- 7+ years of experience building and shipping production software, ideally including LLM-powered agents that take real actions in a product.
- Comfortable in Ruby on Rails / Python or ready to pick them up quickly.
- Experience building evaluation or observability infrastructure for ML/AI systems.
- Experience designing datasets, annotation workflows, or labeling pipelines for ML/AI evaluation.
- Learn fast, experiment aggressively, and thrive in a highly dynamic environment.
- Comfortable in a fast-paced environment with ambiguity.
- Proficient in English (spoken, written, and reading) at a CEFR Level C2 / ILR Level 5.
Conditions
- Remote work format (Anywhere / Europe, Middle East, Africa, Asia-Pacific).
- Salary: $170K with offers of equity.
Questions about this role
Is this position remote?
Yes, this role is fully remote and open to applicants from various regions.
What is the seniority level of this role?
This is a senior-level position requiring 7+ years of experience.
What is the salary for this position?
The salary for this role is $170,000, along with equity offers.
✓ Apply here in a minute. Your application and answers go straight to the hiring person, so you never land in a spam pile.