Decides what gets built and why: discovery, roadmap and user feedback.
Decides what gets built and why: discovery, roadmap and user feedback.
17 startups, newest first. Startup names and source links are not shown here; details appear where the source states them.
| ID | Startup and place | Industry · stage | Commitment · terms | Work mode | Posted | Freshness |
|---|---|---|---|---|---|---|
| SU-0188 | EU-native code forge built around the Jujutsu VCS; founder seeks a technical product/engineering-management co-founderProduct, Technical co-founder / CTO · Location not stated | Developer tools | — | — | Aug 2026 | Recent |
| SU-0182 | Overseas-focused AI character-simulation app seeks a product partner (not just a PM)Product · Guangzhou, China | AI, Consumer & social · Prototype | Full-time | Hybrid | Jun 2026 | Recent |
| SU-0132 | Open HTTP-native durable event log on Raft, solo technical founder seeks a go-to-market co-founderMarketing & growth, Product · Location not stated | Developer tools · Prototype | — | — | Jan 2026 | Recent |
| SU-0506 | AI image and video subscription business targeting overseas markets seeks a product-manager partner / co-founderProduct · Location not stated | AI, Consumer & social, Media & creators · Paying customers | Equity and salary | — | Oct 2025 | Older |
| SU-0102 | Service connecting entrepreneurs with junior developers who build MVPs using AI toolsTechnical co-founder / CTO, Marketing & growth, Product · Location not stated | HR & future of work, AI · Live product or beta | — | — | Oct 2025 | Older |
| SU-0450 | Solo backend/ML developer with a live AI vocal-separation site seeks a product partner for overseas web productsProduct · Beijing, China | AI, SaaS & B2B software · Live product or beta | — | — | Oct 2025 | Older |
| SU-0503 | Solo developer building an AI social-content distribution app seeks an agent-product partnerProduct, Marketing & growth · Location not stated | AI, Media & creators · Prototype | — | — | Aug 2025 | Older |
| SU-0072 | AI-native fulfilment SaaS seeks a founding PM as co-founderProduct · Location not stated | SaaS & B2B software, AI, Commerce & retail | — | — | Jun 2025 | Older |
| SU-0070 | AI-agent web-scraping platform in Manchester seeks a product-minded technical co-founder, equity only at launchTechnical co-founder / CTO, Product · Manchester, United Kingdom | AI, Developer tools, SaaS & B2B software | Full-time · Equity only | On site | May 2025 | Older |
| SU-0492 | AI news platform to cut through misinformation and bias seeks a product-minded co-founder/CTOTechnical co-founder / CTO, AI & machine learning, Product · Location not stated | AI, Media & creators | Full-time | — | Jan 2024 | Older |
| SU-0002 | The startup, a Docker Swarm GUI, seeks a partner for marketing and product visionMarketing & growth, Product · Location not stated | Developer tools, SaaS & B2B software | — | — | Jan 2024 | Older |
| SU-0515 | Profitable route-planning tool for service businesses seeks a product and design co-founderProduct, Design & UX, Marketing & growth · Location not stated | SaaS & B2B software, Mobility & logistics · Paying customers | Equity only | Remote | — | Undated |
| SU-0322 | Flexible-workspace and community membership startup preparing a Manchester pilot seeks a hands-on co-founderProduct, Operations / COO · Manchester, United Kingdom | Consumer & social, HR & future of work · Idea | Full-time | — | — | Undated |
| SU-0315 | Student-founded venture aiming to modernise agricultural commodity trading and transport seeks a technical co-founderTechnical co-founder / CTO, Product · Stellenbosch, South Africa | Marketplaces, Mobility & logistics · Idea | Flexible · Equity only | On site | — | Undated |
| SU-0299 | Stealth AI healthcare-automation venture in Berlin seeks a tech/product co-founder, backed by business angelsTechnical co-founder / CTO, Product, AI & machine learning · Berlin, Germany | Health, AI · Idea | Full-time · Salary | On site | — | Undated |
| SU-0267 | Berlin cybersecurity and AI startup building an identity and AI-enforcement platform seeks a technical co-founderTechnical co-founder / CTO, Product, AI & machine learning · Berlin, Germany | Cybersecurity, AI · Funded | — | Hybrid | — | Undated |
| SU-0249 | AI digital death-planning platform for families and advisers seeks a third co-founder to lead fundraising and productCEO & business, Product, Finance / CFO · United Kingdom | Fintech, Legal & public sector, AI · Paying customers | Flexible · Equity and salary | Remote | — | Undated |
Profiles in this role from our list. Add them to your intro list, or ask us for a shortlist.
8 years · Remote
Based in Paris, France
AI agents · system design · stablecoin/payments · KYC and compliance
Remote
Based in Cambridge, Massachusetts, United States
Full-stack · Systems programming · Backend · Product management
Location not stated
Product design · Development
25 years · Hybrid
Based in Atlanta, Georgia, United States
C/C++ · PHP · JavaScript · Ruby
4 years
Location not stated
Unity · C# · Blender · MERN
On site
Location not stated
Startups get a shortlist of people who fit. Future co-founders see who is looking for their role.
Public co-founder searches with role, industry, stage, place and terms, each checked against its source.
Each startup is compared with the co-founder profiles we track: role, skills, region, commitment and industry.
Founders get a shortlist and warm introductions; future co-founders get introduced to startups that fit.
Unlock the startup behind a listing, get weekly alerts for your role and countries, or send us your brief.