Machine Learning Engineer jobs in San Francisco hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $297,640/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
raindrop.agency · HQ: San Diego, United States · Advertising · Creative Agencies · 51-200 employees · Hiring 10, 1 new
HQ: San Diego, United States · Advertising · Creative Agencies · 51-200 employees · Hiring 10, 1 new
Raindrop is an independent creative and advertising agency that builds brand campaigns from social-first content to Super Bowl spots. It works on category-defining work for consumer brands with an emphasis on human connection. The company is headquartered in San Diego, California, United States.
bakertilly.com · HQ: Chicago, United States · Accounting & Bookkeeping Services · Management Consulting · Tax Advisory & Preparation · Audit & Assurance Firms · 5000+ employees · Est. 1931 · Trust B · Hiring 488, 35 new
HQ: Chicago, United States · Accounting & Bookkeeping Services · Management Consulting · Tax Advisory & Preparation · Audit & Assurance Firms · 5000+ employees · Est. 1931 · Trust B · Hiring 488, 35 new
Baker Tilly is a top-ten global advisory, tax, and assurance network providing accounting, consulting, and risk management solutions. With thousands of professionals across over 140 countries, the firm primarily serves middle-market businesses, large enterprises, and public sector clients. It combines scale with personalized, partner-led strategies to help organizations navigate financial complexities, operational growth, and strategic transformation.
$205k – $250k per year · Senior · 5+ years exp · In office (San Jose, Pasadena, Redwood City, Los Angeles, San Francisco, United States) · Bachelor's Degree · Full-Time · Senior
$250k – $400k per year · Head+ · 15+ years exp · In office (San Jose, Pasadena, Redwood City, Los Angeles, San Francisco, United States) · Bachelor's Degree · Full-Time · Architect
$250k – $400k per year · Head+ · 15+ years exp · In office (San Jose, Pasadena, Redwood City, Los Angeles, San Francisco, United States) · Bachelor's Degree · Full-Time · Architect
capitalone.com · HQ: McLean, United States · Leasing, Auto & Equipment Finance · Commercial & Retail Banks · Cards & Card Issuing · 5000+ employees · Est. 1994 · Trust B · Hiring 1531, 164 new
HQ: McLean, United States · Leasing, Auto & Equipment Finance · Commercial & Retail Banks · Cards & Card Issuing · 5000+ employees · Est. 1994 · Trust B · Hiring 1531, 164 new
Capital One is an American bank founded in 1994 that began as a credit card monoline built on statistical testing of offers and pricing, an approach it called information-based strategy. It is now one of the largest card issuers in the United States alongside a national direct bank, an auto lending business and a commercial bank, and it completed the acquisition of Discover in 2025, which gave it a payments network of its own rather than dependence on Visa and Mastercard. Headquartered in McLean, Virginia, it was also an early mover among large banks in migrating its entire technology estate to the public cloud.
$197k – $225k per year · Senior · 6+ years exp · In office (San Francisco, McLean, Cambridge, San Jose, New York, United States) · Bachelor's Degree · Full-Time · Senior
$263k – $300k per year · Senior · 5+ years exp · In office (McLean, San Francisco, Cambridge, San Jose, New York, United States) · Master's Degree · Full-Time · Senior
preferencemodel.com · HQ: San Francisco, United States · Reinforcement Learning · AI Training Data & Annotation · Startup · Hiring 6, 2 new
HQ: San Francisco, United States · Reinforcement Learning · AI Training Data & Annotation · Startup · Hiring 6, 2 new
Preference Model is building the next generation of training data to power the future of AI, creating reinforcement learning environments with diverse tasks and robust reward functions for automated ML research engineering. Its founding team previously worked on Anthropic's data team, and its job ads cover members of technical staff in ML capabilities, kernels and infrastructure. The company is headquartered in San Francisco, California, United States.
mercor.com · HQ: San Francisco, United States · Recruiting & Staffing · Freelance & Talent Marketplaces · AI Training Data & Annotation · 1001-5000 employees · Est. 2023 · Trust A · Hiring 197, 18 new
HQ: San Francisco, United States · Recruiting & Staffing · Freelance & Talent Marketplaces · AI Training Data & Annotation · 1001-5000 employees · Est. 2023 · Trust A · Hiring 197, 18 new
Mercor is an American company founded in 2023 by three Thiel Fellows that recruits and pays domain experts to produce the training and evaluation data frontier artificial intelligence labs need. Its business shifted quickly from general talent matching to expert data work: as models became competent at ordinary tasks, the scarce input became judgement from practising doctors, lawyers, bankers and engineers, and Mercor sources, vets and pays those people at very large scale. Headquartered in San Francisco and valued in the billions within two years of founding, it pays out enormous sums annually to a contributor network rather than employing them.
brain.co · HQ: San Francisco, United States · AI Consulting & Integration · AI Agents · Startup · Trust B · Hiring 44, 5 new
HQ: San Francisco, United States · AI Consulting & Integration · AI Agents · Startup · Trust B · Hiring 44, 5 new
Brain Co. is an American AI company that builds agent-native operating systems for large, regulated institutions, with each system built for a specific industry. Its systems run on Atlas, a proprietary platform that keeps customers in control and avoids lock-in to one model, and it hires AI platform, ML, product and security engineers. The company is headquartered in San Francisco, California, United States.
horizon3.ai · HQ: San Francisco, United States · Vulnerability Management · Cybersecurity AI · Penetration Testing · 1001-5000 employees · Est. 2019 · Trust B · Hiring 180, 42 new
HQ: San Francisco, United States · Vulnerability Management · Cybersecurity AI · Penetration Testing · 1001-5000 employees · Est. 2019 · Trust B · Hiring 180, 42 new
Horizon3.ai is a cybersecurity company that specializes in autonomous threat detection and proactive security validation. Its flagship platform, NodeZero, acts as an autonomous penetration testing solution that continuously discovers, tests, and verifies exploitable vulnerabilities across an organization's internal and external infrastructure. By simulating real-world attacker tactics, Horizon3.ai enables IT and security teams to fix critical security gaps before adversaries can exploit them.
together.ai · HQ: San Francisco, United States · Foundation Models · Cloud Platforms (IaaS & PaaS) · AI Compute & Inference · 501-1000 employees · Est. 2022 · Startup · Trust A · Hiring 87, 5 new
HQ: San Francisco, United States · Foundation Models · Cloud Platforms (IaaS & PaaS) · AI Compute & Inference · 501-1000 employees · Est. 2022 · Startup · Trust A · Hiring 87, 5 new
Together AI (Together Computer, Inc.) is a full-stack AI infrastructure and cloud platform headquartered in San Francisco, California. Founded in 2022 by prominent AI researchers and system engineers - including CEO Vipul Ved Prakash, CTO Ce Zhang, Chief Scientist Tri Dao (co-creator of FlashAttention), Chris Ré, and Percy Liang - the company operates as an "AI Native Cloud" designed to train, fine-tune, and deploy open-source generative AI models at scale with high performance and optimized unit economics.
atlassian.com · HQ: Sydney, Australia · IT Service & Asset Management · Intranet & Knowledge Management · Developer Tools · Project & Work Management Software · 1001-5000 employees · Est. 2002 · NASDAQ: TEAM · Trust A · Hiring 336, 33 new
HQ: Sydney, Australia · IT Service & Asset Management · Intranet & Knowledge Management · Developer Tools · Project & Work Management Software · 1001-5000 employees · Est. 2002 · NASDAQ: TEAM · Trust A · Hiring 336, 33 new
Atlassian is an Australian software company founded in Sydney in 2002 by Mike Cannon-Brookes and Scott Farquhar, who funded it on credit cards and grew it for years without a traditional sales force. Its products became the default coordination layer for software teams: Jira for issue and project tracking, Confluence for documentation, Bitbucket for source control and Jira Service Management for IT support. Listed on Nasdaq since 2015, the company has expanded into video messaging with Loom and agentic AI through Rovo, and derives almost all of its revenue from cloud subscriptions after retiring its self-hosted server products.
6sense.com · HQ: San Francisco, United States · Sales Enablement · Lead Generation · Marketing Automation · Marketing & Sales AI · 1001-5000 employees · Est. 2013 · Trust B · Hiring 30, 9 new
HQ: San Francisco, United States · Sales Enablement · Lead Generation · Marketing Automation · Marketing & Sales AI · 1001-5000 employees · Est. 2013 · Trust B · Hiring 30, 9 new
6sense is a B2B software company headquartered in San Francisco whose revenue platform uses AI, intent data and predictive analytics to help marketing and sales teams identify in-market accounts, orchestrate account-based campaigns and run advertising. Founded in 2013, it serves B2B revenue teams and has offices in the United States plus engineering centres in Bengaluru and Pune. It hires full-stack, machine learning and security engineers, product managers for its agentic platform, product and content designers, advertising account executives, business development representatives, customer success managers and analytics staff.
figma.com · HQ: San Francisco, United States · Design & Prototyping Tools · Digital Design · 1001-5000 employees · Est. 2012 · NYSE: FIG · Trust A · Hiring 132, 14 new
HQ: San Francisco, United States · Design & Prototyping Tools · Digital Design · 1001-5000 employees · Est. 2012 · NYSE: FIG · Trust A · Hiring 132, 14 new
Figma is an American design software company founded in 2012 that built a full interface design tool inside the browser, which made real-time multiplayer editing the default rather than an add-on. Its products now cover interface design and prototyping, whiteboarding through FigJam, developer handoff, slide decks and a code generation product that turns designs into working front-end components. Headquartered in San Francisco, it listed on the New York Stock Exchange in 2025 after regulators blocked an attempted acquisition by Adobe, and it has become the default design tool at most software companies.
logicalintelligence.com · HQ: San Francisco, United States · Code Intelligence · Industrial AI · Artificial Intelligence · Est. 2022 · Startup · Trust B · Hiring 4, 1 new
HQ: San Francisco, United States · Code Intelligence · Industrial AI · Artificial Intelligence · Est. 2022 · Startup · Trust B · Hiring 4, 1 new
Logical Intelligence engineers deterministic AI for critical systems. We deliver mathematically verified intelligence beyond LLMs for autonomy, finance, & defense. Explore Math AI & EBMs.
nimbleway.com · HQ: New York, United States · Data Providers & Datasets · Web Scraping & Proxy Networks · 51-200 employees · Est. 2021 · Hiring 24, 24 new
HQ: New York, United States · Data Providers & Datasets · Web Scraping & Proxy Networks · 51-200 employees · Est. 2021 · Hiring 24, 24 new
Nimble builds a web search agent platform that turns the live web into validated, structured data for enterprise AI systems and data teams. Its agents browse sites through real browsers and APIs, extract and verify the information, then clean, de-duplicate and deliver it as tables that connect to Databricks, Snowflake, AWS and Microsoft environments. Headquartered in New York with a development center in Israel, it serves customers such as LG, Deloitte, Uber, L'Oreal, Coca-Cola and Tripadvisor and raised a $47 million Series B led by Norwest in 2026, for $75 million in total.
unity.com · HQ: San Francisco, United States · Advertising · AR & VR Software · Developer Tools · Game Development · 1001-5000 employees · Est. 2004 · Trust A · Hiring 136, 15 new
HQ: San Francisco, United States · Advertising · AR & VR Software · Developer Tools · Game Development · 1001-5000 employees · Est. 2004 · Trust A · Hiring 136, 15 new
Headquartered in San Francisco, California, Unity Software Inc. (Unity Technologies) is a technology enterprise specializing in real-time 3D (RT3D) content development software and engine solutions. The company provides an integrated platform that enables developers, creators, and engineers to build, run, and monetize interactive 2D, 3D, virtual reality (VR), and augmented reality (AR) experiences across mobile, console, PC, and spatial computing hardware. By combining cross-platform runtime engines with developer services, cloud tools, and advertising monetization networks, it serves as a core infrastructure provider for the global gaming industry as well as industrial sectors such as automotive, architecture, and film production.
sieve.ai · HQ: San Francisco, United States · Generative Video · Computer Vision · Photo & Video Editing Software · 11-50 employees · Est. 2016 · Trust A · Hiring 12, 2 new
HQ: San Francisco, United States · Generative Video · Computer Vision · Photo & Video Editing Software · 11-50 employees · Est. 2016 · Trust A · Hiring 12, 2 new
Sieve is a video artificial intelligence infrastructure company headquartered in San Francisco, California, and founded in 2021. The company provides APIs and a serverless runtime for video understanding and generation tasks such as transcription, dubbing, object tracking, background removal, and highlight extraction. It sells to developers building video products who would otherwise assemble and host several separate models themselves.
schwab.com · HQ: Westlake, United States · Cryptocurrencies · Financial Services · Commercial & Retail Banks · Asset Management & Funds · Wealth Management & Financial Advisors · Online Brokerage & Trading Platforms · 1001-5000 employees · Est. 1971 · Trust A · Hiring 240, 97 new
HQ: Westlake, United States · Cryptocurrencies · Financial Services · Commercial & Retail Banks · Asset Management & Funds · Wealth Management & Financial Advisors · Online Brokerage & Trading Platforms · 1001-5000 employees · Est. 1971 · Trust A · Hiring 240, 97 new
Charles Schwab is a financial services company headquartered in Westlake, Texas, near Fort Worth, offering brokerage and retirement accounts, online trading through the thinkorswim platform, banking, wealth management, financial planning and custody services for independent investment advisors. Founded in 1971 and listed on the New York Stock Exchange, it serves retail investors through branches nationwide and runs large operations and technology centers in Austin, Southlake, Omaha, Phoenix, El Paso and Hyderabad. It hires software and DevOps engineers, data engineers, product managers, financial consultants, client service representatives, risk, audit and compliance professionals.
servicenow.com · HQ: Santa Clara, United States · AI Agents · Customer Support & Help Desk Software · Workflow & Process Automation (RPA, BPM) · IT Service & Asset Management · 1001-5000 employees · Est. 2004 · Trust B · Hiring 581, 115 new
HQ: Santa Clara, United States · AI Agents · Customer Support & Help Desk Software · Workflow & Process Automation (RPA, BPM) · IT Service & Asset Management · 1001-5000 employees · Est. 2004 · Trust B · Hiring 581, 115 new
ServiceNow is an American enterprise software company founded in 2004 by Fred Luddy and headquartered in Santa Clara, California. It began by replacing clumsy IT ticketing systems with a configurable workflow platform, then extended the same engine across employee, customer, security, risk and supply chain processes, so a single system routes work between people and systems across departments. Listed on the New York Stock Exchange, the company now builds AI agents into every workflow through its Now Assist and AI Platform products, and it counts most of the Fortune 500 among its customers.
