We are looking for Senior Backend Engineer (Python/FastAPI) – AI 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 in Python, C/C++, Rust, Go, Java, and JavaScript (including ReactJS), with emphasis on systems-level code, performance-critical applications, and infrastructure.
Evaluate and refine AI-generated code for efficiency, scalability, and reliability.
Work with cross-functional teams to enhance enterprise-level AI-driven coding solutions.
Work on AI model training initiatives by curating code examples, building solutions, and correcting code in Python, C/C++, Rust, Go, Java, and JavaScript (including ReactJS).
Evaluate and refine AI-generated code with an emphasis on systems-level correctness, performance, and reliability.
Collaborate with cross-functional teams to enhance AI-driven coding solutions against industry performance benchmarks.
Build agents that can verify the quality of systems-level and infrastructure code and identify error patterns.
Hypothesize on steps in the software engineering cycle (prototyping, architecture design, API design, production implementation, launch, experiments, monitoring, operational maintenance) 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 systems programming, infrastructure, or backend development using languages like Python, C/C++, Rust, and Go.
Experience building and deploying scalable, production-grade 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

Graduates from programs with strong CS foundations such as University of Washington, University of Illinois Urbana-Champaign, UT Austin, University of Michigan, Purdue, and comparable institutions

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.