Seed Developer tools companies in San Francisco
IDEs, runtimes, frameworks, and platforms built primarily for engineers. Filtered to Seed-stage companies headquartered in San Francisco.
Edit the query above, or pick a refinement. 500 free credits on sign-up, no card needed.
Built from a search like: “Top Seed Developer tools companies in San Francisco”
Ranked by current headcount across Seed Developer tools companies in San Francisco. Refreshed daily.
- 1topmate.io· San Francisco, California, United States
Topmate empowers professionals to seamlessly manage incoming requests for advice or guidance by letting others reach out for a personalised interaction while keeping complete control over every aspect of it.Our aim? We wish to simplify personalised interactions, by providing avenues for everyone to share their knowledge and wisdom with their followers or people willing to connect with them in the most simplified and seamless manner!
- Seed
- 2.1k employees
- Founded 2021
- 2Wish· San Francisco, California, United States
Wish is a mobile e-commerce platform that connects millions of consumers with the widest selection of products delivered directly to their doors. Our vision is to unlock ecommerce for the underserved by giving everyone access to the most affordable and convenient shopping experience on the planet. Wish is headquartered in San Francisco, with additional offices around the world.
- Seed
- 897 employees
- Founded 2010
- 3Prive (Now Recurly Commerce)· San Francisco, California, United States
Prive is now Recurly Commerce — powering physical goods and DTC subscription growth for Shopify brands.Follow @Recurly to get ahead of what’s next.recurly.com/commerce
- Seed
- 740 employees
- Founded 2021
- Live search
This list is a starting point
I can run a natural-language search across LinkedIn, GitHub, and the open web. Fire one of these, or edit the box up top to match exactly who you're after.
- Engineers at top Seed Developer tools companies in San FranciscoRun
- Founders of Seed Developer tools companies in San FranciscoRun
500 free credits on sign-up, no card needed.
- 4Scorp· San Francisco, California, United States
Scorp Inc. is a fast-growing mobile-focused tech company based in Istanbul and San Francisco reaching millions of users worldwide!We have created a number of mobile applications, including the ‘world’s most genuine social network’ Scorp app. With over 16M users worldwide, Scorp app has successfully re-defined the social network in Turkey. Now, we are on a mission to redefine the social and entertainment scene with our newly launched mobile applications.We have more than 100 million registered users. We are available in more than 100 countries. Our applications support more than 25 different languages, constantly top-ranked and available on both IOS Appstore and Android Google Play.We value preserving our start-up culture while growing. We are building a culture with hard-work and constant learning. We are creating an environment in which every voice is heard and every contact brings innovation.Scorp has been awarded the Great Place to Work® Turkey - Turkey's Best Employer Certification.
- Seed
- 523 employees
- Founded 2015
- 5Pareto AI· San Francisco, California, United States
Humanity is in a virtuous cycle.Human data improves models, models help humans do more sophisticated things, which in turn improves models and elevates what humans can do with each pass.We believe sustaining this cycle means constantly advancing the frontier of human-based training signal through the products we build and the research that drives them.Humanity to infinity.
- Seed
- 521 employees
- Founded 2020
Find engineers at Seed Developer tools companies in San Francisco
Searching for “engineers at top Seed Developer tools companies in San Francisco” surfaces this slice of the market. The list above ranks Developer tools companies headquartered in San Francisco whose latest disclosed round is Seed, by current headcount, drawn from public LinkedIn and Crunchbase records. With 857 matching companies in Refolk’s index, this is a tight read on where the Developer tools talent in San Francisco is heating up.
Three filters at once narrows the field hard. The companies that survive all three - Seed, Developer tools, 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 Developer tools’s next operators and angel investors.
Refolk converts this list into a live search. Ask for “senior engineers at Seed Developer tools companies in San Francisco hiring” or “founders of Seed Developer tools companies in San Francisco who left in the last year” and Refolk returns a ranked shortlist with the evidence behind each match.
How this list is built
Last refreshed: Wed, 05 Aug 2026 12:58:21 GMT
Need an even more specific search?
Refolk runs natural-language searches across LinkedIn, GitHub, and the open web. Try one of these:
- Engineers at top Seed Developer tools companies in San FranciscoRun
- Founders of Seed Developer tools companies in San FranciscoRun
- Seed Developer tools companies in San Francisco hiringRun
500 free credits on sign-up, no card needed.
Related lists
- Seed AI in San Francisco
- Seed SaaS in San Francisco
- Seed Fintech in San Francisco
- Seed Cybersecurity in San Francisco
- Series A AI in San Francisco
- Series A SaaS in San Francisco
- Series A Fintech in San Francisco
- Series A Developer tools in San Francisco
See all company lists.
Slice this list a different way
Common questions
How is this ranking built?
The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.
How fresh is the data?
The underlying index updates continuously and this page re-renders at least daily. Last refreshed: Wed, 05 Aug 2026 12:58:21 GMT.
Can I get the full list of 857 companies?
Yes. This page shows the top of the ranking; sign up and I'll run the search live for the complete, current list. You start with 500 free credits, no card required.
Can I find the people inside these companies?
Yes. Ask in plain English - for example "engineering leaders at these companies who joined in the last year" - and I return the specific people, with context on each.
Try it on your own search
Stop building boolean strings. Just describe the person.
Type one sentence and I plan the search, read GitHub, public LinkedIn and Crunchbase records, and the open web live, then hand back a ranked shortlist with the reasoning behind every name. No filters to learn, no export to clean up, no sales call to sit through.
- One sentence in, a ranked shortlist out. No boolean, no filters, no seat to buy.
- Read live at search time, not from a database that went stale last quarter.
- Watch every step as it runs, and see why each name made the list.
- Staff backend engineers in NYC who shipped Rust in production
- Series A fintechs in SF under 50 people, growing headcount this year
- Maintainers of fast-growing Rust web frameworks on GitHub
500 free credits on sign-up. No card, no demo call. See real searches.