CO-FOUNDER.NET Account
Role wanted

AI & machine learning

Models, data pipelines and AI products; turns research into features people use.

The startups
131 startups18 countries6 posted in the last 60 days

AI & machine learning

Models, data pipelines and AI products; turns research into features people use.

131startups
Countries
United Kingdom, United States, Germany, India, China, Switzerland, Spain, Canada, France, Netherlands, Singapore, United Arab Emirates …
Industries
AI, SaaS & B2B software, Consumer & social, Fintech, Media & creators, Health …
Stage
Idea 36, Prototype 23, Live product or beta 21, Paying customers 9, Funded 6
Terms
27 equity only · 24 equity and salary · 80 not stated
6 posted in the last 60 days
Co-founders in this role

The startups

131 startups, newest first. Startup names and source links are not shown here; details appear where the source states them.

IDStartup and placeIndustry · stageCommitment · termsWork modePostedFreshness
SU-0219Early AI implementation business seeks a technical AI partner to own automation architectureTechnical co-founder / CTO, AI & machine learning · Location not statedAI, SaaS & B2B software · Idea——Oct 2026New
SU-0477AI that predicts clinical trial outcomes and its confidence seeks a hands-on technical co-founder and CTOTechnical co-founder / CTO, AI & machine learning · London, United KingdomBiotech & life sciences, AI, Health · Live product or betaFull-time—Oct 2026New
SU-0216AI-agent startup for banking and finance seeks a technical co-founder, remoteTechnical co-founder / CTO, AI & machine learning · Oldenburg, GermanyAI, Fintech · Idea—RemoteOct 2026New
SU-0209Founder of an autonomous multi-agent AI project in Gironde seeks a technical co-founder / AI tech leadTechnical co-founder / CTO, AI & machine learning · Cubzac-les-Ponts, FranceAI · Idea——Sep 2026New
SU-0202Founder building an autonomous AI sales-setter and CRM seeks a business partnerSales & partnerships, Marketing & growth, AI & machine learning · Leipzig, GermanyAI, SaaS & B2B software, Education · Prototype——Sep 2026New
SU-0474AI agents automating work for outpatient healthcare practices seek a hands-on technical cofounderTechnical co-founder / CTO, AI & machine learning · California, United StatesHealth, AIEquity and salary—Sep 2026New
SU-0198AI product builder seeks technically strong co-founders for local LLM, RAG and agent products on a profit-share basisAI & machine learning, Technical co-founder / CTO · Sinzheim, GermanyAI · IdeaEquity onlyRemoteAug 2026Recent
SU-0194Founder seeks a co-founder with IT and AI knowledge to set up a 50:50 UGTechnical co-founder / CTO, AI & machine learning · Berlin, GermanyAI · IdeaEquity only—Aug 2026Recent
SU-0190Pre-seed AI creator marketplace for video ads seeks an in-person CTO co-founder in San FranciscoTechnical co-founder / CTO, AI & machine learning · San Francisco, California, United StatesMarketplaces, AI, Media & creatorsFull-timeOn siteAug 2026Recent
SU-0359Geneva-based AI agent for physical commodity-trading operations with a running pilot seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Geneva, SwitzerlandAI, SaaS & B2B software, Fintech · Live product or betaEquity and salaryRemoteJul 2026Recent
SU-0175Mental-health marketplace linking clients with verified therapists in several markets seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · London, United KingdomHealth, Marketplaces · IdeaFull-time · Equity and salary—Jun 2026Recent
SU-0173Agentic intelligence layer on distribution insights for UK and EU asset managersTechnical co-founder / CTO, AI & machine learning, Data & infrastructure · London, United KingdomFintech, AI · FundedFull-time—May 2026Recent
SU-0464Pre-seed consumer health company seeks a founding AI and data science lead on a co-founder trackAI & machine learning, Data & infrastructure · Location not statedHealth, Consumer & social, AI · Live product or beta——May 2026Recent
SU-0168Studio-backed AI-native real-estate platform for Spain seeks a co-founder and CTOTechnical co-founder / CTO, AI & machine learning · Barcelona, SpainReal estate & construction, AI · Idea——May 2026Recent
SU-0160AI staffing service for solo lawyers and small firms seeks a technical co-founder (CTO)Technical co-founder / CTO, AI & machine learning · Austin, Texas, United StatesLegal & public sector, AI · Live product or beta——Apr 2026Recent
SU-0152Treasury manager and financial operating layer for AI agentsTechnical co-founder / CTO, AI & machine learning · Location not statedFintech, AI——Apr 2026Recent
SU-0147AI and IoT remote health-monitoring ecosystem seeks a CTO and co-founder in BengaluruTechnical co-founder / CTO, AI & machine learning, Data & infrastructure · Bengaluru, Karnataka, IndiaHealth, Hardware, robotics & IoT, AIEquity only—Mar 2026Recent
SU-0459Stealth AI system aiming to disrupt SaaS, with an open-source core, seeks a co-founder and AI engineersAI & machine learning, Technical co-founder / CTO · Location not statedAI, SaaS & B2B software · Live product or beta—RemoteMar 2026Recent
SU-0141AI platform automating software stack migrations, starting with Android to Flutter, seeks technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedDeveloper tools, AI · Idea——Feb 2026Recent
SU-0140Stealth marketplace for AI skills deployable via web, MCP and API seeks an equity-only technical co-founderTechnical co-founder / CTO, AI & machine learning · United StatesAI, SaaS & B2B software · PrototypeEquity onlyRemoteFeb 2026Recent
SU-0405AI social-video project tied to e-commerce attribution seeks a founding CTO as technical partnerTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Media & creators, Commerce & retail · Idea——Feb 2026Recent
SU-0456AI-guided financial platform for inexperienced users seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedFintech, AI, Consumer & socialEquity and salaryRemoteFeb 2026Recent
SU-0403Shanghai AI content-factory idea seeks a partner-level CTO for generation and multi-platform publishingTechnical co-founder / CTO, AI & machine learning · Shanghai, ChinaAI, Media & creators · IdeaFull-time · Equity and salaryOn siteJan 2026Recent
SU-0127Studio-backed AI content-analytics platform seeks a full-stack AI co-founder / CTO to build its engineTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Media & creators, SaaS & B2B software · PrototypeFull-time · Equity only—Jan 2026Recent
SU-0119Stealth voice-AI companion startup in San Francisco seeks a tech co-founder for equityTechnical co-founder / CTO, AI & machine learning · San Francisco, California, United StatesAI, Consumer & socialFull-time · Equity only—Dec 2025Recent
SU-0115Tool measuring how brands appear in ChatGPT, Perplexity and Gemini seeks a technical co-founderTechnical co-founder / CTO, Data & infrastructure, AI & machine learning · Bengaluru, IndiaAI, SaaS & B2B softwareEquity onlyRemoteDec 2025Recent
SU-0107AI tools for European SMBs; seeks a CTO co-founder to work alongside the existing founder in BerlinTechnical co-founder / CTO, AI & machine learning · Berlin, GermanyAI, SaaS & B2B softwareFull-time · Equity and salaryOn siteNov 2025Recent
SU-0452Beijing AI power-equipment O&M startup with delivered orders seeks algorithm and full-stack partnersAI & machine learning, Technical co-founder / CTO · Beijing, ChinaClimate & energy, AI, Hardware, robotics & IoT · Live product or betaFlexible · Equity only—Nov 2025Recent
SU-0393AI tool turning long videos into searchable personalised knowledge clips seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Media & creators · Live product or beta——Nov 2025Recent
SU-0105Conversational-AI layer that matches people by how they think; early-stage, seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Consumer & social · Idea——Oct 2025Older
SU-0104Pre-funding AI-first financial platform with tokenization and marketplace tech seeks a founding CTO partnerTechnical co-founder / CTO, AI & machine learning, Finance / CFO · Dubai, United Arab EmiratesFintech, AI, Crypto & web3 · IdeaFlexible · Equity and salaryHybridOct 2025Older
SU-0103AI operating architecture aimed at creative partnership and local sovereigntyTechnical co-founder / CTO, AI & machine learning · Location not statedAI——Oct 2025Older
SU-0100Early-stage AI application team in Zhongshan seeks Go/Python AI backend technical partnerTechnical co-founder / CTO, AI & machine learning · Zhongshan, ChinaAI · PrototypeFull-time · Equity and salaryOn siteOct 2025Older
SU-0097Universal open runtime to run any AI framework on any GPU seeks a CTO co-founder with GPU/compiler depthTechnical co-founder / CTO, AI & machine learning · SwitzerlandAI, Developer tools · Prototype——Oct 2025Older
SU-0093Solo founder exploring robotics, AI infrastructure and engineering tools seeks an equal-ownership co-founderHardware & robotics, AI & machine learning · Location not statedHardware, robotics & IoT, AI · Idea——Sep 2025Older
SU-0086AI-personalized hyper-local audio news app seeks technical and non-technical co-foundersAI & machine learning, Mobile & apps, Sales & partnerships · California, United StatesMedia & creators, AI · PrototypePart-time · Equity onlyRemoteAug 2025Older
SU-0085Mobile gaming app that uses AI to generate games adapting to the player's moodTechnical co-founder / CTO, Mobile & apps, AI & machine learning · Location not statedGaming, AI, Consumer & social——Aug 2025Older
SU-0084Early-stage AI companion app for caregivers in closed alpha seeks an equity-only technical co-founderTechnical co-founder / CTO, AI & machine learning · Bellevue, Washington, United StatesConsumer & social, AI · Live product or betaFull-time · Equity onlyRemoteAug 2025Older
SU-0079AI learning engine that personalises learning journeys around a user's curiosityTechnical co-founder / CTO, AI & machine learning · London, United KingdomEducation, AI · Live product or beta—On siteJul 2025Older
SU-0078AI-powered financial operating system for personal finance with ML-driven coachingTechnical co-founder / CTO, AI & machine learning · Location not statedFintech, AI——Jul 2025Older
SU-0077Student founder in Toronto building synthetic data generation seeks a technical co-founderData & infrastructure, AI & machine learning · Toronto, CanadaAI · Idea——Jul 2025Older
SU-0076Nonprofit digital faith platform with AI features seeks a founding technical AI co-founderTechnical co-founder / CTO, AI & machine learning · Seattle, Washington, United StatesConsumer & social, AI, Social impactFull-time—Jun 2025Older
SU-0074Real-time AI sales coach used during calls seeks a technical co-founder with an AI backgroundAI & machine learning, Technical co-founder / CTO · Location not statedAI, SaaS & B2B software · Live product or beta——Jun 2025Older
SU-0063Hair-grooming startup seeks a Three.js/AI co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedConsumer & social · Idea——May 2025Older
SU-0383Protocol layer for shared memory among AI agents seeks a founding CTO and co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Developer toolsFull-timeRemoteMay 2025Older
SU-0382AI copilot for operational planning in a dual-use startup seeks a technical cofounderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Legal & public sector · PrototypeEquity and salaryRemoteMay 2025Older
SU-0059Tool for collecting user feedback to validate RAG evaluations in enterprise AITechnical co-founder / CTO, AI & machine learning · Location not statedAI, Developer tools · Idea——Apr 2025Older
SU-0381AI software services company in Colombo seeks a project-based technical co-founderTechnical co-founder / CTO, AI & machine learning · Colombo, Sri LankaAI, SaaS & B2B software · Paying customers——Apr 2025Older
SU-0042AI platform for residential real estate, validated with 25+ customer interviewsTechnical co-founder / CTO, AI & machine learning · London, United KingdomReal estate & construction, AI · Prototype——Feb 2025Older
SU-0039Founder with a prior Amsterdam startup seeks a US technical co-founder for an AI ventureTechnical co-founder / CTO, AI & machine learning · Location not statedAI · Idea——Feb 2025Older
SU-0038Computer-vision kitchen inventory tracking to reduce food wasteTechnical co-founder / CTO, AI & machine learning · Location not statedFood & agriculture, AI, SaaS & B2B software · Live product or beta——Feb 2025Older
SU-0377Idea-stage AI product founder in Delhi looks for a co-founderAI & machine learning · Delhi, IndiaAI · Idea——Jan 2025Older
SU-0376AI search model surfacing authentic creator voices seeks a technical co-founder and CTOTechnical co-founder / CTO, AI & machine learning · Paris, FranceAI, Media & creators——Dec 2024Older
SU-0030Venture-incubated enterprise AI software startup in Menlo Park seeks a CTO co-founderTechnical co-founder / CTO, AI & machine learning · Menlo Park, California, United StatesAI, SaaS & B2B software · IdeaFull-timeOn siteNov 2024Older
SU-0444Business-background founder in India seeks technical co-founders to explore AI startup ideasTechnical co-founder / CTO, AI & machine learning · IndiaAI, Consumer & social, Real estate & construction · Idea——Jul 2024Older
SU-0371AI inspection platform for safety-critical components seeks a late co-founder as CTOTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Hardware, robotics & IoTFull-timeRemoteJul 2024Older
SU-0015AI tool that finds optimal coagulation and flocculation conditions for water treatmentTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Climate & energy——Jun 2024Older
SU-0441Netherlands-based pre-seed startup automating CT and MRI cancer-screening analysis seeks a machine-vision CTO co-founderTechnical co-founder / CTO, AI & machine learning · NetherlandsHealth, AI——Jun 2024Older
SU-0343AI platform detecting accounting manipulation and impact washing, seeking a CTO co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Fintech——May 2024Older
SU-0011Founder with an NLP/AI job-seeker tool idea seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedHR & future of work, AI · Idea——May 2024Older
SU-0009Two-founder AI startup with demos seeks a third co-founder with PhD-level AI research expertiseAI & machine learning · San Francisco, California, United StatesAI · PrototypeFull-timeOn siteApr 2024Older
SU-0432AI startup seeking a technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI——Mar 2024Older
SU-0339AI computer vision for security and insights in businesses and municipalities seeks technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Cybersecurity—RemoteMar 2024Older
SU-0492AI news platform to cut through misinformation and bias seeks a product-minded co-founder/CTOTechnical co-founder / CTO, AI & machine learning, Product · Location not statedAI, Media & creatorsFull-time—Jan 2024Older
SU-0490Accelerator-backed LLM observability startup seeks a co-founder/CTOTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Developer tools · Funded——Jan 2024Older
SU-0509AI assistant for online community admins, at concierge-MVP stage in Kazakhstan, seeks a technical co-founder and teamTechnical co-founder / CTO, AI & machine learning, Marketing & growth · Astana, KazakhstanAI, SaaS & B2B software · Live product or beta———Undated
SU-0508AI career-discovery platform for Indian school students, live and solo-run, seeks an ML/AI or edtech co-founderAI & machine learning, Industry expert · Bangalore, IndiaEducation, AI · Live product or beta———Undated
SU-0502Early AI agent that turns instructions into completed digital tasks seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, SaaS & B2B software · Prototype———Undated
SU-0501Phygital attention-measurement and ad-retargeting system seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedMedia & creators, AI · Prototype———Undated
SU-0500Offline AI knowledge assistant for ship crews (working proof of concept) seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Mobility & logistics · Prototype———Undated
SU-0497Infinite-canvas LLM interface where messages are wired nodes seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Developer tools · Prototype———Undated
SU-0495Patent-pending AI that diagnoses real-world problems from photos and guides repairs seeks a technical co-founderAI & machine learning, Technical co-founder / CTO · Location not statedAI, Consumer & social · Idea———Undated
SU-0493Sensor-data platform for factory safety and elevator maintenance in China seeks a technical co-founderTechnical co-founder / CTO, Hardware & robotics, AI & machine learning · Shanghai, ChinaHardware, robotics & IoT, AI · Idea—Hybrid—Undated
SU-0485AI and robotics healthcare venture seeks a full-time CTO / technical co-founderTechnical co-founder / CTO, AI & machine learning, Hardware & robotics · Location not statedHealth, AI, Hardware, robotics & IoTFull-time · Equity onlyHybrid—Undated
SU-0484AI operating system for movement studios seeks a full-time CTO / technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, SaaS & B2B software, Consumer & social · Paying customersFull-time · Equity onlyHybrid—Undated
SU-0482Digital patient record platform with a UI-first MVP and waitlist seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedHealth, SaaS & B2B software · Live product or beta———Undated
SU-0480Low-cost radar-camera-AI module to detect small FPV drones seeks a technical co-founderHardware & robotics, AI & machine learning · Berlin-Brandenburg, GermanyHardware, robotics & IoT, Deep tech · Idea———Undated
SU-0478Agentic GRC layer for fintechs and banks seeks a technical co-founder (CTO / AI engineer)Technical co-founder / CTO, AI & machine learning · Amman, JordanFintech, AI · Prototype———Undated
SU-0471Accent-aware live captions for cross-border English calls (clickable prototype) seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Chennai, IndiaAI, SaaS & B2B software · Prototype———Undated
SU-0470Snapchat-lens digital wardrobe feature (frontend prototype) seeks a technical co-founder or collaboratorTechnical co-founder / CTO, AI & machine learning · Location not statedConsumer & social, Media & creators · Prototype———Undated
SU-0465AI-native operations platform for private 5G networks (interactive prototype) seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, SaaS & B2B software · PrototypeEquity only——Undated
SU-0463Concept for a multi-agent robotic rehabilitation system seeks a technical co-founder or lead engineersHardware & robotics, AI & machine learning · Location not statedHealth, Hardware, robotics & IoT · Idea———Undated
SU-0458Open protocol for verifiable AI-agent purchase authorization seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Fintech · Prototype———Undated
SU-0446AI digital waiter concept for restaurants seeks a technical co-founder or developerTechnical co-founder / CTO, AI & machine learning · Location not statedFood & agriculture, AI · Idea———Undated
SU-0420Free bilingual cognitive-training platform with 42 games seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedConsumer & social, Health · Live product or beta———Undated
SU-0416Local-first AI software engineer seeks a 50/50 technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Developer tools———Undated
SU-0410AI multi-track transcription tool for musicians seeks a tech co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Media & creators · Live product or beta———Undated
SU-0409Real-time fraud detection system with 50ms inference seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedFintech, Cybersecurity, AI———Undated
SU-0407Early LLM-based AI startup seeks a technical co-founder to lead end-to-end developmentTechnical co-founder / CTO, AI & machine learning · Location not statedAI · Idea———Undated
SU-0400AI assistant for civil engineering AutoCAD work seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, SaaS & B2B software———Undated
SU-0385B2B SaaS venture in SAP and AI seeks a technical co-founder (CTO)Technical co-founder / CTO, AI & machine learning · Location not statedSaaS & B2B software, AI———Undated
SU-0331AI-native property-management platform from a startup studio seeks a CTO and co-founder in BerlinTechnical co-founder / CTO, AI & machine learning · Berlin, GermanyReal estate & construction, AI, SaaS & B2B software · FundedFull-time · Equity and salary——Undated
SU-0330Gen Z food-discovery app with a live MVP seeks a founding CTO and co-founder in the NetherlandsTechnical co-founder / CTO, Mobile & apps, AI & machine learning · Groningen, NetherlandsFood & agriculture, Consumer & social, AI · Live product or betaFull-time · Equity and salary——Undated
SU-0329Agentic AI platform for small law firms with early ARR seeks a CTO and co-founder in BarcelonaTechnical co-founder / CTO, AI & machine learning · Barcelona, SpainLegal & public sector, AI, SaaS & B2B software · Paying customersFull-timeHybrid—Undated
SU-0327Neutral AI consumer-agent startup (mobile UI agent) in Hengqin-Macau area seeks a CTO for 20-25% equityTechnical co-founder / CTO, AI & machine learning · Hengqin, ChinaAI, Consumer & social———Undated
SU-0326Macau-backed AI agent startup in Hengqin seeks technical co-founder offering 16% equityTechnical co-founder / CTO, AI & machine learning · Hengqin, ChinaAIEquity only——Undated
SU-0321Quantum-inspired fraud-detection venture for banks and payment processors seeks a CTO co-founder in SingaporeTechnical co-founder / CTO, Science & R&D, AI & machine learning · SingaporeFintech, Cybersecurity, Deep tech · IdeaEquity onlyHybrid—Undated
SU-0320Studio venture building workflow-intelligence software for municipal approvals seeks a CTO co-founderTechnical co-founder / CTO, AI & machine learning · Seattle, Washington, United StatesReal estate & construction, AI, SaaS & B2B software · Idea———Undated
SU-0317AI platform creating digital employee avatars for onboarding and training seeks a hands-on technical co-founderTechnical co-founder / CTO, AI & machine learning · London, United KingdomAI, HR & future of work, SaaS & B2B software · PrototypePart-time · Equity onlyRemote—Undated
SU-0314Bootstrapped legal-workflow SaaS with paying customers seeks a CTO / technical co-founder in South AfricaTechnical co-founder / CTO, AI & machine learning · South AfricaLegal & public sector, SaaS & B2B software, AI · Paying customersFull-time · Equity and salaryHybrid—Undated
SU-0309Visual-commerce platform that turns images into shoppable multi-merchant results seeks a founding CTO co-founderTechnical co-founder / CTO, AI & machine learning · SingaporeCommerce & retail, AIFull-time · Equity onlyHybrid—Undated
SU-0305AI-powered learning platform with 200+ paying subscribers seeks a part-time technical co-founderTechnical co-founder / CTO, AI & machine learning · United KingdomEducation, AI · Paying customersPart-timeOn site—Undated
SU-0304Content-intelligence platform for communication teams seeks an equity-only technical co-founder to lead the MVPTechnical co-founder / CTO, AI & machine learning · London, United KingdomAI, Media & creators, SaaS & B2B software · IdeaFull-time · Equity onlyRemote—Undated
SU-0300Venture-studio-backed agentic AI legal-workflow startup seeks a Co-Founder and CTO in MadridTechnical co-founder / CTO, AI & machine learning · Madrid, SpainAI, Legal & public sector · Live product or betaFull-time · Equity and salaryHybrid—Undated
SU-0299Stealth AI healthcare-automation venture in Berlin seeks a tech/product co-founder, backed by business angelsTechnical co-founder / CTO, Product, AI & machine learning · Berlin, GermanyHealth, AI · IdeaFull-time · SalaryOn site—Undated
SU-0298AI wealth-intelligence platform for family offices seeks a Tech Co-founder / CTO in ZurichTechnical co-founder / CTO, AI & machine learning · Zürich, SwitzerlandFintech, AI · Live product or betaFull-time · Equity and salaryOn site—Undated
SU-0297Multi-agent AI platform for finance and investment work seeks a CTO / co-founder (equity and salary)Technical co-founder / CTO, AI & machine learning · Location not statedFintech, AI, SaaS & B2B softwareFull-time · Equity and salaryRemote—Undated
SU-0293AI recruitment platform matching candidates to plain-English requirements seeks an equity-only CTO co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedHR & future of work, AI · IdeaFlexible · Equity onlyRemote—Undated
SU-0289People-OS platform for hospitality teams, with pilots underway, seeks a hands-on technical co-founderTechnical co-founder / CTO, AI & machine learning · London, United KingdomHR & future of work, SaaS & B2B software, AI · Live product or betaFlexible · Equity onlyRemote—Undated
SU-0288AI-enabled healthcare management platform for practitioners seeks a technical co-founder / CTOTechnical co-founder / CTO, AI & machine learning · United KingdomHealth, AI, SaaS & B2B softwareEquity and salary——Undated
SU-0287Wine investment and digital cellar platform with AI tools and blockchain traceabilityTechnical co-founder / CTO, AI & machine learning, Blockchain & web3 · London, United KingdomCommerce & retail, Fintech, AI · IdeaEquity only——Undated
SU-0285AI agents that find underpriced designer clothing on resale marketplaces; early revenue, seeks CTO co-founderTechnical co-founder / CTO, AI & machine learning · London, United KingdomAI, Marketplaces, Consumer & social · Paying customersFull-time · Equity only——Undated
SU-0282AI-agent startup with a validated first contract looking for a technical co-founder for 50% equityTechnical co-founder / CTO, AI & machine learning · London, United KingdomAI · PrototypeEquity only——Undated
SU-0281Automated socio-economic impact reporting for funders, seeking a CTO co-founderTechnical co-founder / CTO, AI & machine learning · London, United KingdomSaaS & B2B software, Social impact, AI———Undated
SU-0280Bootstrapped sales-call intelligence startup with paying customers seeks a CTO co-founderTechnical co-founder / CTO, AI & machine learning · United KingdomSaaS & B2B software, AI · Paying customersEquity and salaryRemote—Undated
SU-0279Creator-economy social discovery app seeks a CTO / technical co-founder with an equal one-third equity shareTechnical co-founder / CTO, Mobile & apps, AI & machine learning · London, United KingdomConsumer & social, Media & creators, AI · PrototypeFull-time · Equity and salary——Undated
SU-0275Construction-site software with an AI assistant for site managers, seeking a second technical co-founderTechnical co-founder / CTO, AI & machine learning, Mobile & apps · Bristol, United KingdomSaaS & B2B software, AI · Live product or betaFull-time——Undated
SU-0274Social identity layer for AI agents: a permissioned knowledge graph of a person that AI can queryTechnical co-founder / CTO, AI & machine learning · London, United KingdomAI, Consumer & social, SaaS & B2B software · FundedFull-time · Equity and salary——Undated
SU-0269Ottawa startup building an AI hiring operating system seeks a full-time technical co-founderTechnical co-founder / CTO, AI & machine learning · Ottawa, Ontario, CanadaHR & future of work, AI, SaaS & B2B software · IdeaFull-time · Equity and salaryRemote—Undated
SU-0268Stealth proptech AI venture from a venture studio in Toronto seeks a CTO co-founderTechnical co-founder / CTO, AI & machine learning · Toronto, Ontario, CanadaReal estate & construction, AI · IdeaFull-time · Equity and salaryHybrid—Undated
SU-0267Berlin cybersecurity and AI startup building an identity and AI-enforcement platform seeks a technical co-founderTechnical co-founder / CTO, Product, AI & machine learning · Berlin, GermanyCybersecurity, AI · Funded—Hybrid—Undated
SU-0266Stealth mobility platform with AI matching and dynamic pricing seeks a technical co-founder / CTO in BerlinTechnical co-founder / CTO, AI & machine learning, Data & infrastructure · Berlin, GermanyMobility & logistics, AI, Marketplaces · Paying customersEquity and salary——Undated
SU-0265Generative-AI startup for property and casualty insurance seeks a full-time co-founder and CTO in BostonTechnical co-founder / CTO, AI & machine learning · Boston, Massachusetts, United StatesAI, FintechFull-time · Equity onlyOn site—Undated
SU-0259Early-stage B2B platform for plugging AI agents into company workflows seeks a tech co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, SaaS & B2B software———Undated
SU-0258Local age-verification module for retail self-checkout seeks a CTO / lead developer co-founderTechnical co-founder / CTO, AI & machine learning · Location not statedAI, Cybersecurity, Commerce & retail · PrototypeEquity only——Undated
SU-0254Bootstrapped recruitment-tech startup with a working AI sourcing tool seeks a CTO co-founder in LisbonTechnical co-founder / CTO, AI & machine learning · Lisbon, PortugalHR & future of work, AI, Marketplaces · Paying customersFlexible · Equity onlyRemote—Undated
SU-0247Stealth graph-based modelling SaaS to replace Excel for enterprise planning seeks a founding CTO co-founderTechnical co-founder / CTO, AI & machine learning · Helsinki, FinlandSaaS & B2B software, AI · Funded—Remote—Undated
SU-0246Pre-seed stealth venture building AI commercial intelligence for biotech seeks a technical co-founderTechnical co-founder / CTO, AI & machine learning · United StatesBiotech & life sciences, AI—Remote—Undated
SU-0242Bootstrapped coaching platform that sponsors free coaching for youth NGOs seeks a technical co-founder in BerlinTechnical co-founder / CTO, AI & machine learning · Berlin, GermanyEducation, Social impact, SaaS & B2B software · PrototypeEquity and salaryHybrid—Undated
SU-0237Supply-chain geopolitical and climate risk platform seeks a third co-founder and CTO, Zurich/remoteTechnical co-founder / CTO, AI & machine learning · Zürich, SwitzerlandAI, SaaS & B2B software · IdeaFull-time · Equity onlyHybrid—Undated
SU-0170New York founder building an AR, AI and gaming social platform seeks AI/ML or Unity co-foundersTechnical co-founder / CTO, AI & machine learning · New York, United StatesGaming, Consumer & social, AI—Remote—Undated

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How we connect startups and co-founders

Startups get a shortlist of people who fit. Future co-founders see who is looking for their role.

STEP 1

We collect the searches

Public co-founder searches with role, industry, stage, place and terms, each checked against its source.

STEP 2

We match the profiles

Each startup is compared with the co-founder profiles we track: role, skills, region, commitment and industry.

STEP 3

One introduction at a time

Founders get a shortlist and warm introductions; future co-founders get introduced to startups that fit.

Roles startups are looking for

Technical co-founder / CTO339 startupsMobile & apps22 startupsBlockchain & web314 startupsData & infrastructure11 startupsHardware & robotics23 startupsScience & R&D8 startupsDesign & UX9 startupsProduct17 startupsCEO & business56 startupsSales & partnerships58 startupsMarketing & growth63 startupsOperations / COO22 startupsFinance / CFO25 startupsIndustry expert12 startupsContent & community5 startupsOpen role31 startups

Startups →

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We reply with a shortlist of people who fit and arrange the introductions. Nothing is shared with anyone until you agree.

Co-founder shortlist by co-founder.net

Within 2 working days: a shortlist of people who fit your brief, with role, skills, availability and why each one fits. Introductions follow once both sides agree.

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