Senior Platform Engineer - Internal Developer Tools

P2P; San Francisco (CA); On-site; USD 269,000 - 352,000; Full time

Benefits offered by this job

Health insurance

Discretionary bonus

Carry program

401K plan

Vacation & sick leave

Dental & vision

Job summary

Andreessen Horowitz (a16z) is seeking a Software Engineer for the Applied Software Group in San Francisco. You will own and improve the internal developer platform and tooling used across the firm's investing and operations teams.

You’ll collaborate with engineers and partners to eliminate friction in daily workflows, build reusable libraries, and ensure secure, scalable production systems. Expect in-office presence 2-3 days per week in SF.

Qualifications

• 3+ years of professional software engineering experience.
• Proficiency in Python 3, Rust or similar backend languages and willingness to learn new technologies.
• Track record of defining and shipping developer platforms or internal tooling that measurably improved engineering velocity.
• Experience deploying services on at least one major cloud platform (GCP, AWS, or Azure).
• Experience with containerized services (Docker); Kubernetes is a plus.
• Exposure to CI/CD systems (GitHub Actions, Cloud Build, CircleCI, or similar).
• Experience working with production SQL databases (e.g., PostgreSQL, MySQL); NoSQL experience (e.g., Elasticsearch) is a plus.
• Experience with infrastructure-as-code concepts (Terraform, Pulumi, or similar) is a plus.
• Experience working in environments that value rapid iteration, code quality, and operational excellence.
• Strong problem-solving skills and solid technical fundamentals with a get-it-done mentality.
• Low ego, high empathy, and the capacity to collaborate effectively with diverse teams.

Responsibilities

• Contribute to and improve the developer platform, with a diverse set of applications.
• Collaborate with colleagues to understand, review and assist diverse use-cases.
• Build and maintain shared tooling, templates, and internal libraries that accelerate development.
• Support observability, monitoring, and alerting so engineers can self-serve when issues arise.
• Collaborate with Cybersecurity to ensure secure and compliant workflows.
• Write and maintain developer documentation, onboarding guides, and runbooks.
• Ship improvements iteratively, incorporating user feedback to improve experience.
• Take ownership of projects from development to production support with increasing autonomy.

Skills

Python

Rust

Backend development

Cloud platforms

DevTools

Tools

Docker

Kubernetes

GitHub Actions

CircleCI

Cloud Build

Terraform

Pulumi

Job description

Andreessen Horowitz (a16z) is seeking a Software Engineer for the Applied Software Group in San Francisco. You will own and improve the internal developer platform and tooling used across the firm's investing and operations teams.

You’ll collaborate with engineers and partners to eliminate friction in daily workflows, build reusable libraries, and ensure secure, scalable production systems. Expect in-office presence 2-3 days per week in SF.