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12,841 a16z jobs

Open roles at companies in the Andreessen Horowitz portfolio.

12.8K jobs
Reddit Backed by a16zBacked by Sequoia
352 views 12 hours ago

Software Engineer, Ad Signals

New RemoteNorth AmericaContractSenior Salary + equity 5 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

Senior backend engineer building app conversion signals for Reddit's advertising business: owning MMP integrations, SKAN processing, and App CAPI end to end. Day-to-day involves scalable ingestion/processing services, diagnostics tooling, and signal-quality analysis using distributed systems, API design, and SQL.

AI API Api Design Data Lineage Data Science +2 skills
191K – 267K $
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Reddit Backed by a16zBacked by Sequoia
414 views 12 hours ago

Machine Learning Engineering Manager - Core Ads Ranking

New RemoteNorth AmericaContract Salary + equity 7 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

Engineering manager leading Reddit's Core Ads Ranking team: setting technical strategy and overseeing the ML lifecycle for foundational models, graph/sequence learning, and user understanding in ads ranking. Requires hands-on deep learning experience with TensorFlow or PyTorch plus 1+ years managing ML-focused engineers.

AI Machine Learning PyTorch TensorFlow
230K – 322K $
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Reddit Backed by a16zBacked by Sequoia
65 views 12 hours ago

Client Partner, Mid-Market Sales (B2B Services - Acquisitions)

New North AmericaContractMiddle 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on…

Reddit Backed by a16zBacked by Sequoia
352 views 12 hours ago

Senior Frontend Engineer, Ads Formats

New RemoteNorth AmericaContractSenior Salary + equity 5 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

Senior frontend engineer on Reddit's Ad Formats Foundation team, building and modernizing the shared infrastructure that renders ads across desktop and mobile web — ad rendering, click handling, instrumentation — using JavaScript, TypeScript, and React, with a focus on performance, accessibility, and experimentation.

Accessibility Agentic AI AI API CSS +6 skills
191K – 267K $
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Reddit Backed by a16zBacked by Sequoia
71 views 12 hours ago

Associate General Counsel, Ads Product

New RemoteNorth AmericaContract 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on…

AI Gdpr Machine Learning
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Reddit Backed by a16zBacked by Sequoia
426 views 12 hours ago

Senior Frontend Engineer, Ads Creative

Open 63d RemoteNorth AmericaContractSenior Salary + equity 5 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

Senior frontend engineer on Reddit's Ads Creative & Recommendations team, owning the technical design and delivery of advertiser-facing features in Ads Manager (creative and recommendation workflows). Core stack is JavaScript, TypeScript, and React, working alongside product, design, data science, and ML.

Accessibility Agentic AI AI API Data Science +7 skills
191K – 267K $
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Reddit Backed by a16zBacked by Sequoia
165 views 12 hours ago

International Payroll Analyst

Open 51d RemoteNorth AmericaContract Salary + equity 7 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on…

AI Analytics Automation HR Operations Regulatory Compliance +1 skills
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Reddit Backed by a16zBacked by Sequoia
144 views 12 hours ago

International Payroll Analyst

Open 40d RemoteUKContract Salary + equity 5 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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 Kingdom

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on…

AI Analytics Automation HR Operations Regulatory Compliance +1 skills
Sign in to see your match
Reddit Backed by a16zBacked by Sequoia
454 views 12 hours ago

Lead Forward Deployed Engineer (AI Enablement)

Open 16d RemoteNorth AmericaContractLead 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

Senior technical lead role at Reddit owning applied-AI strategy and delivery: building and productionizing AI applications, agents, and workflow automations for internal business functions (Sales, Marketing, BD, Finance), while mentoring engineers and setting technical direction. Core work spans LLM agents, MCP/tool integrations, API/data integrations, and evals/governance.

Agentic AI AI Ai Enablement API Business Development +4 skills
195K – 272K $
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Reddit Backed by a16zBacked by Sequoia
397 views 12 hours ago

Senior Forward Deployed Engineer (AI Enablement)

Open 16d RemoteNorth AmericaContractSenior 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

Senior engineer at Reddit who builds AI applications, agents, connectors, and workflow automations for internal business teams (Sales, Marketing, Business Development, Finance), owning delivery from discovery to production. Core stack is LLM agents, MCP/API integrations, evals, and cloud-based observability.

AI Ai Enablement API Automation Business Development +4 skills
180K – 252K $
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Reddit Backed by a16zBacked by Sequoia
439 views 12 hours ago

Staff Machine Learning Engineer, Ads Forecasting & Scenarios

New RemoteNorth AmericaContractStaff Salary + equity 5 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

Staff-level ML engineer on Reddit's ads team, leading forecasting and scenario models that estimate how campaign outcomes change with different budgets, bids, audiences, and creative. Hands-on technical leadership across probabilistic forecasting, marketplace simulation, and production ML systems.

AI Data Science Machine Learning Time Series
230K – 322K $
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Reddit Backed by a16zBacked by Sequoia
223 views 12 hours ago

Senior Staff Data Scientist, Consumer Relevance

Open 145d RemoteNorth AmericaContractStaff Salary + equity 9 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

Lead relevance measurement and evaluation for feeds and search using Python/R/SQL, causal inference, and experimentation to improve ranking algorithms.

AI Causal Inference Data Science Machine Learning Notion +4 skills
233K – 326K $
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Reddit Backed by a16zBacked by Sequoia
299 views 12 hours ago

Staff Technical Product Manager, Ads ML Platform

Open 145d RemoteNorth AmericaContractStaff 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

Staff Technical Product Manager leading the roadmap for Reddit's Ads ML Platform, defining vision and building tooling that helps ML engineers train, deploy, and iterate on ad ranking and targeting models faster. Core focus areas include model-serving infrastructure, GPU optimization, and integrating Generative AI/LLM workflows.

Agentic AI AI Automation Data Science Fine Tuning +5 skills
217K – 304K $
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Reddit Backed by a16zBacked by Sequoia
78 views 12 hours ago

Senior Program Manager, Business Process Transformation

Open 141d North AmericaContractSenior 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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
Chicago, IL, Los Angeles, CA, New York City, NY, San Francisco, CA

Lead a vendor-supported ad review program for Reddit’s growing ad business, improving efficiency, automation, and operational performance while aligning with sales and platform safety goals.

AI Automation Go-to-Market Program Management Stakeholder Management
155K – 252K $
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Reddit Backed by a16zBacked by Sequoia
205 views 12 hours ago

Senior Business Analyst, Revenue Analytics

Open 134d RemoteNorth AmericaContractSenior Salary + equity 7 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

Senior Business Analyst on Reddit's Revenue Strategy & Analytics team, building and maintaining the analytical tooling and data infrastructure — BigQuery ETL pipelines, Salesforce-to-revenue mappings, and Looker dashboards — that powers the Large Customer Sales channel and revenue strategy, plus emerging agentic/AI-driven analytics. Remote within the US.

Agentic AI AI Analytics Automation BigQuery +8 skills
168K – 235K $
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Reddit Backed by a16zBacked by Sequoia
384 views 12 hours ago

Senior Machine Learning Engineer, Ads Forecasting & Scenarios

Open 131d RemoteNorth AmericaContractSenior Salary + equity 5 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

Build and evolve auction, bidding, and pacing systems for Reddit's ads marketplace as a Senior IC4 ML Engineer. Design optimization algorithms that balance advertiser performance, user experience, and marketplace efficiency, owning systems end-to-end from problem formulation through production deployment and iteration. Core technologies include Python/Java/Go, Spark, Kafka, and large-scale real-ti

AI Data Science Machine Learning Time Series
217K – 303K $
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Reddit Backed by a16zBacked by Sequoia
448 views 12 hours ago

Senior Software Engineer, Agentic Ads Experience

Open 121d RemoteNorth AmericaContractSenior Salary + equity 5 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

Senior software engineer on Reddit's Agentic Ads Experience team, designing and shipping AI-powered advertiser-facing features (campaign assistants, creative generation, audience discovery, conversational analytics) end-to-end using LLMs, agents, RAG, evals, and strong systems engineering in languages like Python, Go, Rust, Java, or JavaScript.

Agentic AI AI Analytics API Automation +11 skills
191K – 267K $
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Reddit Backed by a16zBacked by Sequoia
307 views 12 hours ago

Staff Data Scientist - Ads Measurement, Signals, Privacy

Open 110d RemoteNorth AmericaContractStaff 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.H-1B sponsor history — This employer has had H-1B petitions approved by USCIS in the last five fiscal years, per the USCIS H-1B Employer Data Hub. The approval 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

A senior data scientist at Reddit designs identity resolution models, improves ad measurement methodologies, and enhances predictive performance for advertisers using statistical and machine learning techniques.

A/B Testing AI Causal Inference Data Science Machine Learning +4 skills
217K – 304K $
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