Machine Learning Engineer jobs in San Francisco hiring now at vetted startups and product companies on Alion, updated daily. Average salary around $294,048/year. Compare remote, hybrid and on-site positions with relocation and visa sponsorship. Browse and apply today.
zyphra.com · HQ: San Francisco, United States · AI Research Labs · Foundation Models · 1-10 employees · Est. 2021 · Startup · Trust D · Hiring 16
HQ: San Francisco, United States · AI Research Labs · Foundation Models · 1-10 employees · Est. 2021 · Startup · Trust D · Hiring 16
Zyphra is an artificial intelligence research company that develops open foundation models, including the Zamba hybrid state-space language models and the Zonos text-to-speech models, with a focus on efficient models that can run on device. It also offers a cloud platform for its models and researches brain-computer interface models. The company is headquartered in San Francisco, California, United States.
decagon.ai · HQ: San Francisco, United States · Customer Support & Help Desk Software · AI Agents · Conversational AI · 501-1000 employees · Est. 2023 · Startup · Trust B · Hiring 128, 2 new
HQ: San Francisco, United States · Customer Support & Help Desk Software · AI Agents · Conversational AI · 501-1000 employees · Est. 2023 · Startup · Trust B · Hiring 128, 2 new
Decagon is a San Francisco company founded in 2023 that builds artificial intelligence support agents for consumer and business brands. Its agents resolve conversations end to end across chat, email and voice by taking actions in company systems, and admins configure behaviour through natural language operating procedures. It has grown quickly with customers in fintech, e-commerce and software.
chime.com · HQ: San Francisco, United States · Digital Banks & Neobanks · 1001-5000 employees · Est. 2012 · Trust B · Hiring 71, 6 new
HQ: San Francisco, United States · Digital Banks & Neobanks · 1001-5000 employees · Est. 2012 · Trust B · Hiring 71, 6 new
Chime is an American consumer financial technology company founded in 2012 that offers banking services without operating as a bank itself, holding deposits through partner banks while owning the customer relationship and the app. Its economics rest almost entirely on interchange: it earns a share of the fee merchants pay when members use its debit card, which allowed it to remove the overdraft and monthly fees that traditional banks charge lower-income customers. Headquartered in San Francisco and listed on Nasdaq after its 2025 offering, it serves tens of millions of members who use it as their primary account.
backops.com · HQ: San Francisco, United States · Computer Vision · Logistics · Artificial Intelligence · 51-200 employees · Est. 2024 · Startup · Trust B · Hiring 21
HQ: San Francisco, United States · Computer Vision · Logistics · Artificial Intelligence · 51-200 employees · Est. 2024 · Startup · Trust B · Hiring 21
BackOps is the AI resolution layer for companies that make or move physical goods. It improves and executes internal processes across systems, internal teams, and external parties.
plenful.com · HQ: San Francisco, United States · Medical AI · Hospital Operations Software · 201-500 employees · Est. 2021 · Startup · Hiring 14, 2 new
HQ: San Francisco, United States · Medical AI · Hospital Operations Software · 201-500 employees · Est. 2021 · Startup · Hiring 14, 2 new
Plenful is a healthcare software company that automates pharmacy and back-office workflows for health systems with artificial intelligence. Its platform handles tasks such as prior authorisations, 340B program audits, prescription intake and revenue capture that staff otherwise do by hand. The company was founded in 2021 and is headquartered in San Francisco, California, United States.
Worldwide Placement is a recruitment agency that fills senior and specialist positions for employers in Germany. Its postings include a chief technology officer for a fintech or banking business, a project management team lead for interior fit-out and a full stack engineer. The agency is based in Berlin, Germany.
edgeqtechnologies.com · HQ: Anantapuram, India · 501-1000 employees · Est. 2026 · Hiring 51, 4 new
HQ: Anantapuram, India · 501-1000 employees · Est. 2026 · Hiring 51, 4 new
Founded in 2026, EdgeQ Technologies is a software development, staffing, and business services provider headquartered in Anantapur, Andhra Pradesh, India. The company delivers an integrated suite of technology and workforce solutions for startups and enterprises across domestic and international markets. Its core offerings span custom web and mobile application engineering, digital marketing, and business software products - including applicant tracking systems (ATS), custom CRMs, payroll, and billing platforms - alongside IT and non-IT recruitment, talent placement, and business process outsourcing (BPO) operations.
joinhandshake.com · HQ: San Francisco, United States · AI Training Data & Annotation · Professional Networks · Job Boards & Aggregators · 51-200 employees · Est. 2014 · Trust A · Hiring 54, 6 new
HQ: San Francisco, United States · AI Training Data & Annotation · Professional Networks · Job Boards & Aggregators · 51-200 employees · Est. 2014 · Trust A · Hiring 54, 6 new
Handshake is a professional career network for students and early-career professionals headquartered in San Francisco, California, and founded in 2014. The company provides a digital platform that connects university students with internships and entry-level jobs, including specialized roles in the artificial intelligence economy. It serves over 15 million students and alumni from more than 1,500 colleges and universities, partnering with over 900,000 employers across the United States, United Kingdom, and Europe.
ghost.ai · HQ: San Francisco, United States · Likely startup · Hiring 3
HQ: San Francisco, United States · Likely startup · Hiring 3
Ghost is a consumer hardware and artificial intelligence startup that develops personal computing devices designed to run autonomous agents entirely on-device. Headquartered in San Francisco, California, the company prioritizes complete user privacy and data ownership by processing models locally without relying on cloud infrastructure. Its flagship screenless computer, Core, continuously gathers context across a user's digital ecosystem to proactively assist with daily routines and tasks.
mecka.ai · HQ: New York, United States · Robotics AI · AI Training Data & Annotation · 201-500 employees · Startup · Trust A · Hiring 45, 9 new
HQ: New York, United States · Robotics AI · AI Training Data & Annotation · 201-500 employees · Startup · Trust A · Hiring 45, 9 new
Mecka is a data infrastructure company based in New York that captures, labels and evaluates real-world human activity data used to train and test robotics and embodied AI systems. It designs and operates global data capture programs, wearable and tactile hardware and an egocentric data ecosystem called Egoverse for AI labs and robotics companies, and has raised a 60 million dollar Series B round, with teams in New York, Toronto and San Francisco. It hires hardware, firmware, mechanical and mobile software engineers, computer vision and multimodal research scientists, partnerships and operations staff and finance, tax and legal specialists.
hillclimb.com · HQ: San Francisco, United States · Est. 2025 · Startup · Hiring 2
HQ: San Francisco, United States · Est. 2025 · Startup · Hiring 2
Founded in 2025 and backed by Y Combinator, Hillclimb is an artificial intelligence startup that builds specialized training data and reinforcement learning environments to drive recursive self-improvement in frontier models. Headquartered in San Francisco, California, the company brings together elite mathematical talent and formal verification experts to capture high-level human reasoning processes. Through its virtual experimental platforms, it collaborates with frontier AI laboratories to train autonomous agents capable of conducting complex scientific research.
withpersona.com · HQ: San Francisco, United States · Cybersecurity · Fraud Detection · Est. 2018 · Likely startup · Trust B · Hiring 14
HQ: San Francisco, United States · Cybersecurity · Fraud Detection · Est. 2018 · Likely startup · Trust B · Hiring 14
Persona verifies identity by combining documents, selfies, database checks and device signals into configurable flows. Companies build their own verification logic without integrating half a dozen vendors separately. It is used across marketplaces, fintech and hiring platforms for onboarding and fraud prevention.
trainloop.ai · HQ: San Francisco, United States · Natural Language Processing · Artificial Intelligence · 11-50 employees · Est. 2024 · Startup · Hiring 4
HQ: San Francisco, United States · Natural Language Processing · Artificial Intelligence · 11-50 employees · Est. 2024 · Startup · Hiring 4
Headquartered in San Francisco, California, TrainLoop is an artificial intelligence research and product lab specializing in post-training reasoning models for long-horizon tasks. Founded in 2024, the enterprise develops advanced reinforcement learning and fine-tuning solutions to transform general foundation models into domain-specific experts for industries such as biotechnology, logistics, and financial services. By embedding human expert intuition and rigorous preference alignment into proprietary architectures, the company enables organizations to deploy highly reliable AI agents for complex, mission-critical workflows.
amplitude.com · HQ: San Francisco, United States · Customer Data Platforms (CDP) & Reverse ETL · A/B Testing & Experimentation · Product Analytics & Session Replay · 501-1000 employees · Est. 2012 · NASDAQ: AMPL · Trust A · Hiring 48, 11 new
HQ: San Francisco, United States · Customer Data Platforms (CDP) & Reverse ETL · A/B Testing & Experimentation · Product Analytics & Session Replay · 501-1000 employees · Est. 2012 · NASDAQ: AMPL · Trust A · Hiring 48, 11 new
Amplitude is a leading product analytics and digital optimization platform that helps businesses track and understand user behavior across their web and mobile applications. By providing real-time data visualization and event-based analytics, the software empowers product teams, marketers, and analysts to optimize user retention and drive conversion rates. Trusted by thousands of global enterprises, the company provides actionable insights that help teams build better digital products and make data-driven growth decisions.
asana.com · HQ: San Francisco, United States · Project & Work Management Software · AI Agents · 1001-5000 employees · Est. 2008 · NYSE: ASAN · Trust B · Hiring 107, 8 new
HQ: San Francisco, United States · Project & Work Management Software · AI Agents · 1001-5000 employees · Est. 2008 · NYSE: ASAN · Trust B · Hiring 107, 8 new
Asana (NYSE: ASAN) is a leading SaaS work management platform headquartered in San Francisco, California. Founded in 2008 by former Facebook executives Dustin Moskovitz and Justin Rosenstein, the company was built to eliminate "work about work" by giving teams a unified system of record for goals, projects, and daily workflows. Powered by its proprietary Work Graph data model, Asana offers cross-functional project tracking, portfolio management, automated workflows, enterprise governance, and AI-driven workflow copilots.
altana.ai · HQ: Brooklyn, United States · Machine Learning · Supply Chain · Supply Chain AI · 201-500 employees · Est. 2018 · Startup · Trust A · Hiring 38, 2 new
HQ: Brooklyn, United States · Machine Learning · Supply Chain · Supply Chain AI · 201-500 employees · Est. 2018 · Startup · Trust A · Hiring 38, 2 new
Altana builds a shared model of the global supply chain using federated learning across customs, corporate and shipping data. Founded in 2018 in Brooklyn, its approach lets participants benefit from collective intelligence without exposing raw data. Customs agencies and multinational manufacturers use it for compliance and sourcing decisions.
$250k – $295k per year · Equity · Staff+ · 10+ years exp · Boston · San Francisco · Washington · Remote (United States, United Kingdom) · Bachelor's Degree · Staff
$205k – $240k per year · Equity · Staff+ · 8+ years exp · Boston · San Francisco · Washington · Remote (United States, United Kingdom) · Bachelor's Degree · Staff
furtherai.com · HQ: San Francisco, United States · Document AI · AI Agents · InsurTech · 1001-5000 employees · Est. 2023 · Trust A · Hiring 10
HQ: San Francisco, United States · Document AI · AI Agents · InsurTech · 1001-5000 employees · Est. 2023 · Trust A · Hiring 10
Further AI is a software company providing AI teammates to automate repetitive tasks like unstructured data processing and data entry for streamlining quote and renewal workflows for insurance brokers and MGAs.
lightning.ai · HQ: New York, United States · AI Compute & Inference · AI Development Tools · MLOps · 501-1000 employees · Est. 2019 · Startup · Trust A · Hiring 43, 1 new
HQ: New York, United States · AI Compute & Inference · AI Development Tools · MLOps · 501-1000 employees · Est. 2019 · Startup · Trust A · Hiring 43, 1 new
Lightning AI is an artificial intelligence technology company headquartered in New York City, New York, and established in 2019. The organization provides a unified platform and the open-source PyTorch Lightning framework to facilitate the building, training, and deployment of machine learning models. It operates globally by offering scalable cloud infrastructure and development tools to individual researchers and enterprise teams across various industries.
elevenlabs.io · HQ: New York, United States · Generative Audio & Music · Conversational AI · Speech & Audio AI · 1001-5000 employees · Est. 2022 · Trust A · Hiring 134, 6 new
HQ: New York, United States · Generative Audio & Music · Conversational AI · Speech & Audio AI · 1001-5000 employees · Est. 2022 · Trust A · Hiring 134, 6 new
ElevenLabs is a voice artificial intelligence company founded in 2022 by two friends from Poland who were frustrated by how badly foreign films were dubbed into their own language. It builds speech synthesis, voice cloning, dubbing and conversational voice agents, and its models are widely regarded as the most natural sounding in the field, which has made it the default choice for audiobooks, video localisation and voice interfaces. Headquartered between London and New York and valued in the billions, it has also had to build unusually strict consent and detection controls because voice cloning is so easily abused.
≈ $87k – $177k per year (Estimated) · Senior · 5+ years exp · Dublin · Tokyo · New York · Los Angeles · London · Remote (United States, Japan, United Kingdom, Ireland, Poland) · Full-Time · Senior
latch.bio · HQ: San Francisco, United States · Scientific & Lab Software · Bioinformatics · 51-200 employees · Est. 2021 · Startup · Trust B · Hiring 28, 6 new
HQ: San Francisco, United States · Scientific & Lab Software · Bioinformatics · 51-200 employees · Est. 2021 · Startup · Trust B · Hiring 28, 6 new
LatchBio is a cloud platform for biological data, giving scientists a place to store sequencing results and run analysis pipelines without managing servers. Bioinformaticians publish workflows that bench scientists can then run through a simple interface. Biotechnology companies use it to standardise how experimental data is processed.
≈ $214k – $425k per year (Estimated) · Staff+ · 5+ years exp · In office (San Francisco, United States) · Relocation · Master's Degree · Full-Time · Staff