GPTZero · 1 hour ago
Machine Learning Engineer
United States
Full-time
Remote
Mid Level
$150K/yr - $230K/yr
3+ years expGPTZero is on a mission to restore trust and transparency on the internet, empowering users to navigate AI-generated content. The role involves building next-generation AI tools, optimizing language models, and collaborating with product and design teams to create impactful applications.
Artificial Intelligence (AI)Information TechnologyNatural Language Processing
No H1B
Hiring Manager
Allison Salas Irus
Responsibilities
Fine-tune and evaluate state-of-the-art language models
Optimize prompts to maximize classification accuracy, personalize outputs, and enforce style guidelines
Develop multi-agent workflows incorporating data from diverse sources using RAG
Improve and iterate on AI agents using observability and experimentation tools
Stay up-to-date with the latest literature and emerging technologies to solve novel problems
Work closely with product and design teams to develop intuitive applications that create societal impact
Qualification
Required
3+ YOE in Python
1+ YOE in LLM framework like Langchain or LlamaIndex
1+ YOE with agentic or RAG applications
Strong exploratory data analysis (EDA) skills to effectively leverage data in a way that informs pragmatic solutions
Experience pushing the cutting-edge in LLM abilities on novel tasks with subjective outputs
Excellent software engineer with experience building highly extensible and modular codebases, as well as complex pipelines
Self-starter (pitch, plan, and implement as a project owner in a fast-paced team)
Highly motivated to make positive societal impact
Ability to wear multiple hats and be a leader as our team grows
Visa for work in Canada or US
Preferred
Strong open-source portfolio
Publications at top-tier ML venues
Experience working in an early-stage startup environment
Experience with a prompt optimization framework like DsPY or TextGrad
Company
GPTZero
GPTZero develops an AI detection platform that discerns the generated content as AI produced or human written.
11-50 employees
Funding
Current Stage
Early StageTotal Funding
$13.5MKey Investors
Footwork
2024-06-13Series A· $10M
2023-05-09Seed· $3.5M
Leadership Team
Alexander Cui
CTO and Co-Founder
Recent News
2025-09-22
Company data provided by crunchbase