Series A Data infrastructure companies in San Francisco

Databases, warehouses, lakes, pipelines, and observability for production data. Filtered to Series A-stage companies headquartered in San Francisco.

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Ranked by current headcount across Series A Data infrastructure companies in San Francisco. Refreshed daily.

1
Anything· San Francisco, California, United States
Anything turns English into apps.It's the AI product engineer for the next wave of entrepreneurs. Everything you need to make money on the internet built in.Our team is small and talent dense by design. We’ve built things people love. So we care that Anything lets anyone build things people love.
- Series A
- 2.9k employees
- Founded 2021
2
Kaggle· San Francisco, California, United States
Kaggle is a global community of practitioners, researchers, and enthusiasts building and advancing the frontier of AI. Through AI competitions, benchmarks, and agentic evaluation, Kaggle provides a proving ground for community-led innovation.
- Series A
- 1.5k employees
- Founded 2010
3
Humand· San Francisco, California, United States
At Humand, we empower companies to digitize their internal communication, culture, and HR processes in one unified platform, recognizing that the future of mid market and enterprise software is mobile.Our platform connects your entire organization by digitizing and humanizing people management processes. This positively impacts employee experiences and provides valuable data for informed decision-making. We ensure that all employees, particularly those without direct access to computers, are engaged and connected with your company.We foster a digital community within your organization that enhances the work environment, promoting a greater sense of belonging, authentic connections, and collaboration among employees.Humand helps organizations become more agile, digital, and mobile, enabling instant and targeted communication with all employees through push notifications.Join us in transforming your workplace into a more connected and engaged environment!
- Series A
- 677 employees
- Founded 2019
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4
Woflow· San Francisco, California, United States
Woflow builds AI Agents for enterprises.Woflow is backed by investors including Base 10 Partners, Craft Ventures and Construct Capital.
- Series A
- 598 employees
- Founded 2017
5
Printify· San Francisco, Minnesota, United States
Printify is the technology platform that makes it possible for anyone anywhere to sell customized merchandise without the hassle and risks of having to hold inventory, negotiate contracts, or fulfill orders around the world. Because Printify works on an on-demand basis, sellers are not charged until an order is made, meaning anyone can become an overnight entrepreneur and start selling with minimal risk. So far, more than 12 million people have signed up to build businesses by putting their designs on the 1000+ customizable, high-quality products in the Printify catalog. This has generated tens of millions of orders that are fulfilled by the 85+ world-leading print houses in Printify’s trusted global network. In November 2024, Printify merged with production-on-demand powerhouse, Printful, to form one unified company. The two leading platforms remain, but they’re powered by one world-class team dedicated to helping eCommerce businesses around the world find their success.
- Series A
- 558 employees
- Founded 2015

6
Nexus· San Francisco, California, United States
Traditional blockchains were designed for human users. Nexus Laboratories is building the verifiable infrastructure required for a future increasingly mediated by AI-powered systems and applications.As the core development team behind Nexus, we have engineered a next-generation blockchain purpose-built for verifiable finance and the emerging AI economy. Powered by the advanced Nexus zkVM and a unique dual-core architecture, our network enables autonomous agents, intelligent markets, and high-performance DeFi applications to execute with cryptographic trust at global scale.The Nexus Ecosystem Architecture:The Nexus Layer 1: A parallel, EVM-compatible chain with a built-in financial engine.The Nexus Exchange: An enshrined native coprocessor for ultra-low latency, verifiable execution.USDX: A native, institutional-grade margin stablecoin fully backed by U.S. Treasuries.Capping off a highly successful testnet phase that mobilized 3.2M+ verified users and generated over 77B zero-knowledge proofs, Nexus has officially launched its mainnet and native token ($NEX). We are rapidly expanding our ecosystem to support the next generation of financial and AI applications.Core Focus Areas: Layer 1 Blockchain • Zero-Knowledge Proofs (zkVM) • Agentic Finance • Enshrined Coprocessors • Web3 Infrastructure
- Series A
- 450 employees
- Founded 2022
7
Be My Eyes· San Francisco, California, United States
Launched in 2015, Be My Eyes is a globally recognized and award-winning access technology provider for people who are blind or have low-vision. With a worldwide community of nearly 1 million users and 10 million volunteers, Be My Eyes connects blind and low-vision users with sighted volunteers and companies, through live video and AI to tackle the inaccessible parts of everyday life, whether at home or at work; all for free to the end user.Be My Eyes is available in more than 150 countries worldwide and its volunteers speak more than 180 languages.
- Series A
- 384 employees
- Founded 2012
8
Thunder· San Francisco, California, United States
Get Salesforce and Amazon Connect right. Now, and forever.Thunder is a trusted Salesforce and Amazon Connect partner. Get GSI-level talent at a boutique consulting partner.We are an all-remote team of seasoned Salesforce and Amazon Connect consultants, based from Hawaii to Brooklyn, NY - and everywhere in-between.
- Series A
- 346 employees
- Founded 2020
9
Beyond· San Francisco, California, United States
Beyond is the #1 Revenue Management Platform for short-term rental owners and managers to get, grow, and keep revenue. Our easy-to-use platform includes a dynamic, demand-driven pricing tool with extensive market data that pairs with OTA distribution and a best-in-class booking engine. But we are so much more than that.We are innovators. We are a leader in the short-term rental industry, building products that help property managers and small business owners to be successful. We set out to fill a real need in the industry, and we have organized our entire company such that our success hinges on our customers’ success. We are results-oriented. We take pride in what we accomplish. We set transparent goals that we share out across the company, and we work tirelessly to smash them. We encourage Beyonders to grow by setting individual career goals, and we support everyone on their journey to meet those goals. We are people first. We would not be successful without the brilliant people that have helped us to get to where we are today. We have a global workforce that is proud of their diversity of experiences, demographics and backgrounds. We believe that creating an environment where people can feel comfortable to be themselves also empowers them to perform at their best. We are values-driven. We have five core values that provide structure for our company decisions, interactions, and work: We Care, We Go Beyond, We Are On The Same Team, We Inspire Trust and We Ship It. If these values resonate with you, then you Belong at Beyond too. To date, we've supported over 340,000 properties in more than 7,500 cities worldwide and have enabled billions of dollars in booking revenue.Founded in 2013, Beyond is headquartered in San Francisco. To learn more, visit beyondpricing.com
- Series A
- 316 employees
- Founded 2013
10
ChangeEngine· San Francisco, California, United States
ChangeEngine is the AI-powered employee experience orchestration platform that redefines how People teams design, launch, and scale employee programs across the entire employee lifecycle with no logins required.From onboarding and recognition to manager coaching, engagement, and internal communications, ChangeEngine uses AI to personalize on-brand content, orchestrate employee journeys, and increase program adoption across email, Teams, Slack, and frontline channels.With deep HRIS integrations and intelligent workflows, ChangeEngine ensures the right employee receives the right communication at the right moment, without manual coordination.Organizations use ChangeEngine to transform employee initiatives into business outcomes by generating measurable, repeatable experiences that reach every employee, everywhere they work.
- Series A
- 309 employees
- Founded 2021

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Find engineers at Series A Data infrastructure companies in San Francisco

Searching for “engineers at top Series A Data infrastructure companies in San Francisco” surfaces this slice of the market. The list above ranks Data infrastructure companies headquartered in San Francisco whose latest disclosed round is Series A, by current headcount, drawn from public LinkedIn and Crunchbase records. With 442 matching companies in Refolk’s index, this is a tight read on where the Data infrastructure talent in San Francisco is heating up.

Three filters at once narrows the field hard. The companies that survive all three - Series A, Data infrastructure, in San Francisco - are usually the most targeted recruiting pool a hiring manager can ask for. Senior engineers, founding designers, and product leads here are about to become Data infrastructure’s next operators and angel investors.

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Refolk pulled Data infrastructure companies headquartered in San Francisco whose latest disclosed funding round is Series A from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 3 employees. The list refreshes once a day.

Last refreshed: Wed, 05 Aug 2026 16:10:21 GMT

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