NewSecurity Engineer - AI Coding Agent MercorSecurity Engineer - AI Coding AgentSan Francisco, CARemoteUse frontier AI coding agents to complete and evaluate complex security engineering tasks . Regular use of AI coding agents such as Cursor, Claude Code, Codex, Windsurf, or Gemini CLI.
Director, Research - AI Evals FigmaDirector, Research - AI EvalsSan Francisco, CAThe ideal candidate brings deep, hands-on experience evaluating AI/LLM-powered products — blending human evaluation with automated, model-based approaches — along with the product instinct and communication skills to make evaluation genuinely useful. Job level and actual compensation will be decided based on factors including, but not limited to, individual qualifications objectively assessed during the interview process (including skills and prior relevant experience, potential impact, and scope of role), market demands, and specific work location.
NewSenior/Staff Applied AI Engineer, Agent Harness David Joseph & CompanySenior/Staff Applied AI Engineer, Agent HarnessSan Francisco, CA$200,000–$300,000 / yearThat means developing the core agent harness — the execution loop, tool-use strategies, context construction, and model-facing experimentation — and iterating on agent behavior across real customer workflows and long-horizon tasks. Tech stack: Python or TypeScript, modern AI tooling, agent-harness / execution-loop engineering, evals, sandboxed (microVM) execution, computer-use / browser automation.
AI Engineer Twenty80 LLCAI EngineerSan Mateo, CAStrong candidates will have experience deploying AI/ML solutions in production environments, working with large language models (LLMs), and supporting enterprise customers through complex technical implementations. Our client, a rapidly growing AI infrastructure company, is seeking multiple AI Engineers (Enterprise) to help design, build, and deploy production-grade generative AI solutions for enterprise customers.
NewForward Deploy AI Engineer David Joseph & CompanyForward Deploy AI EngineerSan Francisco, CA$200,000–$300,000 / yearThe Role A Forward-Deployed AI Engineer who embeds the platform directly into customers' production systems — integrating monitoring and evaluation into real agent workflows, diagnosing failures in live environments, and driving deployments to reliable production use. Hundreds of teams building autonomous agents rely on it to understand how their systems behave post-deployment, turning real usage data into scoring and feedback loops that continuously improve agent reliability, performance, and decision-making at scale.
NewFounding AI Engineer David Joseph & CompanyFounding AI EngineerSan Francisco, CA$160,000–$200,000 / yearAbout the Company Our client is a seed-stage startup building agentic AI for the built world: multimodal agents that review construction blueprints for buildability and code compliance, becoming domain experts on rules like accessibility and fire-safety codes. Spend the majority of your time improving the accuracy of the multimodal blueprint-compliance agents — building autoresearch, improving evals, and running sweeps on experimental features you design.
Principal Software Engineer - Responsible AI (CoreAI) MicrosoftPrincipal Software Engineer - Responsible AI (CoreAI)San Francisco, CA$142,800–$274,800 / yearThere is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $188,000 - $304,200 per year. Bachelors Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, Go, or Python OR equivalent experience.
NewAI Practice Lead - Life Sciences & Healthcare EPAM SystemsAI Practice Lead - Life Sciences & HealthcareSan Francisco, CAWork with EPAM’s clients and EPAM internal teams (business SME’s, account management teams, etc.) to shape the AI/ML/Agentic business and technology vision and GTM offerings aligned with current and emerging needs. • 10+ years of experience as Data Science Lead, Machine Learning Engineering Lead, or similar roles in the Healthcare, Pharmaceutical, MedTech/BioTech space.
NewAI Engineer ZyphraAI EngineerSan Francisco, CAExperience working with desktop operating systems (Windows and macOS), including APIs for screen reading, file interaction, and accessibility frameworks. You will be at the forefront of building a next-generation desktop and browser-based agent that can autonomously navigate the web, interact with filesystems, and complete complex user tasks.
NewSenior Machine Learning Engineer, Artificial Intelligence (AI) Required, Work From Home Ginas Tech JobsSenior Machine Learning Engineer, Artificial Intelligence (AI) Required, Work From HomeSan Francisco, CARemoteKeywords: San Francisco CA Jobs, Senior Machine Learning Engineer, AI, Artificial Intelligence, Engineering, GPU, JAX, Machine Learning, Python, PyTorch, Work From Home, Remote, California Recruiters, IT Jobs, California Recruiting. We help companies that are looking to hire Senior Machine Learning Engineers for jobs in San Francisco, California and in other cities too.
NewSenior Forward Deployed AI Engineer AccrueTalentSenior Forward Deployed AI EngineerSan Francisco, CAThis role sits at the intersection of engineering, product, and customer success — working directly with users to understand complex workflows and translate them into practical, high-impact AI solutions. Job Description Looking for a Senior Forward Deployed AI Engineer to lead the deployment and customization of AI-powered solutions for real-world customer environments.
NewSenior AI Inference Engineer - Model Optimization & Deployment ZooxSenior AI Inference Engineer - Model Optimization & DeploymentFoster City, CAIn this role, you will: Optimize large-scale models (Multi-Modal Sensor Fusion models, LLMs, VLMs) using advanced quantization (PTQ, QAT), pruning, mixed-precision inference frameworks, and parameter-efficient fine-tuning (LoRA, QLoRA). Proven experience optimizing large-scale models (Multi-Modal Sensor Fusion models, LLMs, VLMs/VLAs) utilizing Efficient Attention mechanisms (e.g., FlashAttention, Linear Attention), KV-cache optimization (e.g., PagedAttention) and Speculative Decoding.
Full Stack AI Engineer | Onsite in San Francisco | Local Candidates Only, 5 Twenty80 LLCFull Stack AI Engineer | Onsite in San Francisco | Local Candidates Only, 5San Francisco, CAWe are partnering with an early-stage, cutting-edge AI startup in San Francisco to hire a Full Stack AI Engineer with strong zero-to-one product-building experience. Candidates must currently live in the San Francisco Bay Area and be able to work from the company’s San Francisco office five days per week.
NewAI Engineer CollateAI EngineerSan Francisco, CA$158,000–$215,000 / yearThe base salary range for this role is depending on experience and level (Tier 1, San Francisco) AI Engineer: $158-215K; Senior AI Engineer: $188-275K; Staff AI Engineer: $228-310K; Principal AI Engineer: $275-325K. Our AI researchers, engineers, and designers have worked at Google, Nvidia, Meta, Netflix, Amazon, AirBnB, Hippocratic AI, and Grail, and 40% of our team are former founders.
NewTechnical Lead, Applications, Artificial Intelligence (AI) Required, Work From Home Next Step SystemsTechnical Lead, Applications, Artificial Intelligence (AI) Required, Work From HomeSan Francisco, CARemoteKeywords: San Francisco CA Jobs, Technical Lead, Applications, AI, APIs, Artificial Intelligence, Backend, Desktops, Mobile, Product Engineering, Work From Home, Remote, California Recruiters, IT Jobs, California Recruiting. - Partner closely with Machine Learning (ML) leadership to translate model capability into shippable product features.
NewLegal Expert - AI Content Reviewer MercorLegal Expert - AI Content ReviewerSan Francisco, CARemote$65–$90 / hourFor details about the interview process and platform information, please check: https://talent.docs.mercor.com/welcome. Review and evaluate written content and AI-generated responses in legal expertise for accuracy and quality.
NewProject Perseus \u007C Speech & Voice AI Analyst - Finnish Speakers Welo DataProject Perseus \u007C Speech & Voice AI Analyst - Finnish SpeakersBurlingame, CA$26–$28 / hourDriving innovation in language services, Welocalize delivers high-quality training data transformation solutions for NLP-enabled machine learning by blending technology and human intelligence to collect, annotate, and evaluate all content types. Please note that in order to verify work authorization as is required by Federal law (I-9 process), all new employees must complete a live video verification with their selected IDs and provide photos of these selected IDs within their first 3 days of employment.
NewProject Perseus \u007C Speech & Voice AI Analyst - Russian Speakers Welo DataProject Perseus \u007C Speech & Voice AI Analyst - Russian SpeakersSan Francisco, CA$26–$28 / hourDriving innovation in language services, Welocalize delivers high-quality training data transformation solutions for NLP-enabled machine learning by blending technology and human intelligence to collect, annotate, and evaluate all content types. Please note that in order to verify work authorization as is required by Federal law (I-9 process), all new employees must complete a live video verification with their selected IDs and provide photos of these selected IDs within their first 3 days of employment.
NewProject Perseus \u007C Speech & Voice AI Analyst - Greek Speakers Welo DataProject Perseus \u007C Speech & Voice AI Analyst - Greek SpeakersSan Francisco, CA$26–$28 / hourDriving innovation in language services, Welocalize delivers high-quality training data transformation solutions for NLP-enabled machine learning by blending technology and human intelligence to collect, annotate, and evaluate all content types. Please note that in order to verify work authorization as is required by Federal law (I-9 process), all new employees must complete a live video verification with their selected IDs and provide photos of these selected IDs within their first 3 days of employment.
NewProject Perseus \u007C Speech & Voice AI Analyst - German Speakers Welo DataProject Perseus \u007C Speech & Voice AI Analyst - German SpeakersBurlingame, CADriving innovation in language services, Welocalize delivers high-quality training data transformation solutions for NLP-enabled machine learning by blending technology and human intelligence to collect, annotate, and evaluate all content types. Please note that in order to verify work authorization as is required by Federal law (I-9 process), all new employees must complete a live video verification with their selected IDs and provide photos of these selected IDs within their first 3 days of employment.