Senior Software Engineer, AI Data Systems

Apply; San Francisco, Northern (CA, KY); Hybrid; USD 180,000 - 240,000; Full time

Benefits offered by this job

Equity

401(k) match

Parental leave

Mental health support

Learning stipend

Remote & Office: SF office amenities

Job summary

Handshake is hiring a Senior Software Engineer to build systems that power high-quality coding data and evaluations for next-generation AI models. You will work on complex projects spanning benchmarks, code-review evaluation, and developer-facing tools, delivering reliable, scalable infrastructure.

You will collaborate with engineers and program leaders to establish standards, own significant components, and drive the evolution of our AI data pipelines and tooling in a fast-growing environment.

Qualifications

• 5+ years of professional software engineering experience.
• Strong proficiency in Python, JavaScript/TypeScript, Go, or another modern programming language.
• Experience designing and operating production systems with meaningful scale, reliability, and performance requirements.
• Strong understanding of software engineering fundamentals, including testing, APIs, data structures, distributed systems, and observability.
• Experience building developer tools, infrastructure, data pipelines, evaluation systems, or other technically complex products.
• Ability to work effectively in ambiguous environments and break large problems into clear, executable plans.
• Excellent written and verbal communication skills, with the ability to explain technical tradeoffs to both technical and non-technical partners.

Responsibilities

• Design, build, and operate scalable software systems for coding evaluation, data generation, and agentic development workflows.
• Develop tools and services that analyze, validate, and improve AI-generated code.
• Build reliable pipelines for code execution, testing, benchmarking, and quality measurement.
• Partner with engineering, research, operations, and customer-facing teams to translate complex requirements into practical systems.
• Drive technical decisions across architecture, APIs, data models, observability, and operational excellence.
• Improve engineering velocity through reusable frameworks, automation, and developer tooling.
• Lead projects from ambiguous problem definition through design, implementation, launch, and iteration.
• Mentor engineers through design reviews, code reviews, and day-to-day collaboration.
• Establish high standards for maintainability, correctness, security, and reliability.

Skills

Python

JavaScript/TypeScript

Go

Distributed systems

APIs

Testing

Observability

Developer tools

Ownership

Communication

Tools

GitHub workflows

CI/CD

Containerization

Cloud platforms

Job description

Handshake is hiring a Senior Software Engineer to build systems that power high-quality coding data and evaluations for next-generation AI models. You will work on complex projects spanning benchmarks, code-review evaluation, and developer-facing tools, delivering reliable, scalable infrastructure.

You will collaborate with engineers and program leaders to establish standards, own significant components, and drive the evolution of our AI data pipelines and tooling in a fast-growing environment.