Top Tech Jobs & Startup Jobs in San Francisco Bay Area, CA

6 Days AgoSaved
In-Office or Remote
San Francisco, CA, USA
177K-365K Annually
Senior level
177K-365K Annually
Senior level
Social Media
Lead design and implementation of performance marketing backend systems: ad integrations, event pipelines, attribution and measurement, bidding and budget optimization, reliability for spend-critical systems, cross-team coordination, and mentoring engineers. Drive measurement methodology, privacy-resilient approaches, and use of AI to accelerate work.
Top Skills: AdjustAppsflyerBig Data EcosystemsEvent-Driven ArchitectureGoogle Ads ApiJavaMeta Ads ApiMl InfrastructurePythonScalaSingularSnap Ads ApiSQLTiktok Ads Api
6 Days AgoSaved
In-Office or Remote
San Francisco, CA, USA
228K-469K Annually
Senior level
228K-469K Annually
Senior level
Social Media
Technical lead for ML systems that improve Pinterest's content ecosystem: define ML strategy, measure content health, identify and close content gaps, design multi-objective optimization and marketplace mechanisms, partner cross-functionally, mentor engineers, and raise ML engineering standards (data quality, governance, reliability, privacy). Apply advanced methods (RL, game theory, bandits) where beneficial.
Top Skills: CodexCursorGithub CopilotLlmsReinforcement LearningSQL
6 Days AgoSaved
In-Office or Remote
San Francisco, CA, USA
124K-255K Annually
Mid level
124K-255K Annually
Mid level
Social Media
Build simulation and AI systems modeling CTV auction mechanics, bidding strategies, and campaign outcomes. Develop counterfactual and what-if frameworks, AI agents, and validation tooling to de-risk ML deployments. Define technical direction and mentor engineers while shipping end-to-end simulation and AI infrastructure.
Top Skills: Agentic WorkflowsCC++Code GenerationLlmsRustZig
6 Days AgoSaved
In-Office or Remote
San Francisco, CA, USA
156K-320K Annually
Senior level
156K-320K Annually
Senior level
Social Media
Design and build CTV advertising simulation environments and AI agents to model auctions, bidding strategies, and campaign outcomes. Develop counterfactual and what-if frameworks, use simulation to validate ML deployments, define technical direction for simulation and AI infrastructure, and mentor engineers. Drive end-to-end ownership of systems and apply modern AI tools to accelerate development while ensuring rigorous verification and data protection.
Top Skills: Agent-Based SimulationAgentic WorkflowsCC++Code GenerationLlmsProbabilistic ModelingRtb (Real-Time Bidding)RustStochastic ProcessesZig
6 Days AgoSaved
In-Office or Remote
San Francisco, CA, USA
140K-288K Annually
Senior level
140K-288K Annually
Senior level
Social Media
Lead cross-functional teams to define and execute high-impact ad format products that drive user action and advertiser outcomes. Evolve formats, balance stakeholder trade-offs, leverage data and AI tools, and own business metrics for a portfolio of ad experiences.
Top Skills: AIAi Productivity Tools
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6 Days AgoSaved
In-Office or Remote
San Francisco, CA, USA
132K-273K Annually
Senior level
132K-273K Annually
Senior level
Social Media
Lead end-to-end design for Measurement & Conversion products, crafting workflows, visualizations, and in-product education to help advertisers measure and optimize ad performance. Partner with PM, engineering, research, and content design; prototype AI-assisted concepts; manage stakeholders; and ensure high-quality execution and iteration across measurement and conversion features.
Top Skills: ClaudeCursorFigma Make
6 Days AgoSaved
In-Office or Remote
2 Locations
190K-332K Annually
Senior level
190K-332K Annually
Senior level
Social Media
Lead Responsible AI projects to detect, mitigate, and evaluate bias across GenAI, foundation models, and recommender systems. Collaborate with product and platform teams, deploy fairness interventions at scale, mentor junior engineers, and define technical strategy to align models with Pinterest policies and business metrics.
Top Skills: Foundation Model Fine-TuningGenerative AiLlmsMl FairnessRed TeamingSearch And Recommender SystemsTransformer-Based ModelsTwo-Tower ArchitecturesVlms
6 Days AgoSaved
In-Office or Remote
San Francisco, CA, USA
140K-288K Annually
Senior level
140K-288K Annually
Senior level
Social Media
Drive data-science for people- and business-facing products: establish experimentation and instrumentation best practices, apply statistical and ML methods to web-scale data, build scalable analysis pipelines, and partner cross-functionally to turn insights into product improvements.
Top Skills: PythonPyTorchRScikit-LearnSQLTensorFlow
6 Days AgoSaved
In-Office or Remote
San Francisco, CA, USA
177K-365K Annually
Senior level
177K-365K Annually
Senior level
Social Media
Lead a small engineering team to define and build Pinterest's agent platform, including agent serving, evaluation, monitoring, and observability. Drive technical direction and roadmap, partner cross-functionally, hire and mentor engineers, and apply AI responsibly to accelerate execution while validating outputs and maintaining quality and data protection.
Top Skills: AWSDockerKubernetesPython
6 Days AgoSaved
In-Office or Remote
San Francisco, CA, USA
177K-365K Annually
Senior level
177K-365K Annually
Senior level
Social Media
Lead architecture and delivery of the measurement platform for ads lift and brand studies. Design and operate large-scale batch and streaming data pipelines, services, and APIs; operationalize measurement methodology with Data Science; build automated validation, monitoring, anomaly detection, and continuous verification; drive AI enablement and mentor engineers while leading cross-functional initiatives to improve reliability and data quality.
Top Skills: APIsBatch Streaming Data PipelinesCiDistributed SystemsJavaKotlinMonitoring Anomaly DetectionPythonScalaSQL
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