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12,841 a16z jobs

Open roles at companies in the Andreessen Horowitz portfolio.

12.8K jobs
Pinterest Backed by a16z
134 views 19 hours ago

Principal Software Engineer, ML & Media Infra

New North AmericaPrincipal Salary + equity 3 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
Palo Alto, CA, San Francisco, CA

Principal engineer setting technical direction for Pinterest's ML & Media Infrastructure: unified model training/serving and feature/inference platforms with a focus on GPU efficiency and large-scale ranking, plus content acquisition, media ingestion, and LLM/VLM signal processing. Heavy distributed-systems work in C++, Java, or Python.

AI C++ Distributed Training Fine Tuning Generative AI +9 skills
285K – 450K $
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Pinterest Backed by a16z
92 views 19 hours ago

Sr. UX Engineer

New RemoteNorth AmericaSenior Salary + equity 6 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
San Francisco, CA

Senior UX Engineer / Design Technologist at Pinterest bridges design and engineering: contributing to the design system's cross-platform libraries, building high-fidelity AI-assisted prototypes and internal tooling, and mentoring. Core tech is mobile native UI development (Kotlin, Swift, UIKit, Android SDK) plus design systems work.

Accessibility AI Android Developer Experience Kotlin +2 skills
156K – 320K $
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Pinterest Backed by a16z
228 views 19 hours ago

Staff Machine Learning Engineer

New RemoteNorth AmericaStaff Salary + equity 3 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
San Francisco, CA

Staff ML engineer on Pinterest's Growth Content Science team, personally building the real-time ML stack that ranks notification content: candidate retrieval, L1/L2 ranking, blending, copy generation. Requires 8+ years in large-scale recommender systems (transformers, DNN rankers, LLM-native models) and remote US work with 1-2 office visits per quarter.

AI LLM Machine Learning
189K – 390K $
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Pinterest Backed by a16z
120 views 19 hours ago

Engineering Manager II, Runtime Services

New RemoteNorth America Salary + equity 3 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
San Francisco, CA

Engineering manager building and leading a new Pinterest team that runs two internal platforms: a large-scale asynchronous job scheduling/execution platform and an anomaly detection/ML monitoring platform. Sets the technical roadmap, drives reliability and observability, and hires/coaches engineers. Needs 9+ years software engineering and 2+ years management.

Agentic AI AI Anomaly Detection Automation Cloud +7 skills
209K – 429K $
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Pinterest Backed by a16z
201 views 19 hours ago

Staff Machine Learning Engineer

Open 20d RemoteNorth AmericaStaff Salary + equity 3 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
San Francisco, CA

Staff ML engineer on Pinterest Labs' Applied Science team, driving research, architecture, and production deployment of generative recommendation systems (GenRec) and reinforcement learning to power content discovery across Ads, Discovery, Growth, and Search. Works with LLMs/VLMs and large-scale ML systems in a remote-friendly US role with quarterly office visits.

AI Data Science LLM Machine Learning Recommendation Systems +1 skills
228K – 469K $
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Pinterest Backed by a16z
54 views 19 hours ago

Sr. Staff Software Engineer, Product ML Infrastructure

Open 34d North AmericaStaff Salary + equity 3 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
Palo Alto, CA, San Francisco, CA

A senior technical leader on Pinterest's Product ML Infrastructure team, setting direction for large-scale model training and serving systems used by Ads and Core products. Day to day this means architecting distributed training, GPU-optimized inference, and feature/data infrastructure in C++, Java, or Python.

AI C++ Distributed Training Fine Tuning GPU +5 skills
245K – 429K $
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Pinterest Backed by a16z
168 views 19 hours ago

Staff Software Engineer, Service Configuration Deployments

New RemoteNorth AmericaStaff Salary + equity 4 questions Licensed UK sponsor — This employer appears on the GOV.UK register of licensed sponsors for the Skilled Worker and related work routes. The licence belongs to the employer and is not a commitment to sponsor this role.Licensed NL sponsor — This employer appears on the IND public register of recognised sponsors for work and highly skilled migrants. The recognition belongs to the employer and is not a commitment to sponsor this role.Canada LMIA employer — This employer was issued a positive Labour Market Impact Assessment by Employment and Social Development Canada in the last four quarters, through the High Wage, Global Talent or Permanent Resident streams. The approval belongs to the employer and is not a commitment to sponsor this role.
United States
San Francisco, CA

Staff engineer owning end-to-end technical strategy for Pinterest's service configuration and coordination infrastructure — feature flags, ML settings, and experiments — building high-performance control-plane APIs, staged rollouts, and migrations off legacy systems at scale, partnering with Traffic, Compute, Observability, and Cloud Architecture teams.

AI API CI/CD Cloud Infrastructure as Code +2 skills
177K – 365K $
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