We are looking for Senior Python Engineer – LLM Evaluation (US-based) candidates for a project delivered through the hiring partner.

What you'll do

Create cutting-edge datasets for training, benchmarking, and advancing large language models, collaborating closely with researchers.
Curate code examples, provide precise solutions, and make corrections.
Evaluate and refine AI-generated code for efficiency, scalability, and reliability.
Work with cross-functional teams to enhance enterprise-level AI-driven coding solutions.
Curate code examples, build solutions, and correct code, primarily in Python.
Evaluate and refine AI-generated code to ensure it is efficient, scalable, and reliable.
Collaborate with cross-functional teams to enhance AI-driven coding solutions against industry performance benchmarks.
Build agents and automated verification tools in Python that can verify the quality of code and identify error patterns.
Hypothesize on steps in the software engineering cycle and evaluate model capabilities on them.
Design verification mechanisms that can automatically verify a solution to a software engineering task.

What you need

Several years of software engineering experience (3 years or more)
Strong expertise in Python with deep knowledge of frameworks, tooling, and best practices for building production-grade software.
Experience building full-stack applications and deploying scalable software using modern languages and tools.
Deep understanding of software architecture, design, development, debugging, and code quality/review assessment.
Excellent oral and written communication skills for clear, structured evaluation rationales.
Candidates must be based in the United States.

Ideal for engineers who have shipped high-impact products at fast-moving companies like Stripe, Airbnb, Cloudflare, Datadog, Coinbase, or similar high-growth engineering environments.
Welcome graduates from leading programs such as Harvard, Columbia, Princeton, Yale, University of Pennsylvania, and comparable institutions — though exceptional experience and skill always take precedence over pedigree.

RequiredAlso useful

Also listed: communication skills.

Project and contracting process: the hiring partner. Applications continue on the provider's website.

This role does not publish a rate, for 10 to 40 h/week. The work is remote.

Open to candidates in United States. With a profile, Tier1 checks your country and languages against this role and every other before you apply.