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Friends2Go

Se busca cofundador para app social

Friends2Go
Las Palmas de Gran Canaria (Co-)Founder Tech Product & Design Part-time None 10% - 20% Flexible (Office and Remote)
About this position:
Buscamos socio técnico (CTO/cofounder) para Friends2Go, una app de planes presenciales (MVP muy avanzado, piloto inminente en Las Palmas). Rol: ownership técnico end-to-end (arquitectura, estabilidad, bugs, integraciones/API, escalabilidad y roadmap técnico). Valoramos sensibilidad por UX/UI, pero la prioridad es desarrollo y calidad.Ofrecemos participación (equity) desde el inicio y posibilidad de salario cuando haya financiación/ingresos.Trabajo flexible: remoto + reuniones presenciales periódicas; preferible perfil en Gran Canaria/Canarias.Si te motiva construir a largo plazo, con mentalidad de producto y ritmo de iteración, hablemos.
DineEdgeAi

CoFounder wanted for SaaS Product

DineEdgeAi LLC
Bowie (Co-)Founder Product & Design Marketing & Sales Part-time Bachelor's Degree None 20% - 30% Remote only
About this position:
About the StartupDineEdge is a B2B SaaS platform helping restaurants manage and respond to Google, Yelp, and TripAdvisor reviews from one dashboard — quickly and in a natural, human way. The product is already built and early onboarding with US restaurants has started.The goal is simple: help restaurant owners save time, protect their reputation, and improve customer trust without adding operational burden.What I’m Looking ForI’m looking for a cofounder to build alongside me, not just an employee. This is an early-stage opportunity for someone who wants ownership, responsibility, and influence over the direction of the business.The role is flexible and will evolve based on your strengths. You could be strong in growth, operations, partnerships, strategy, or customer-facing execution — what matters most is commitment and builder mindset.What You’ll Be Involved InShaping the direction and growth of the companyWorking on go-to-market, partnerships, and customer onboardingHelping refine positioning and product direction based on real user feedbackMaking key decisions together as the business scalesI currently handle product, tech, and execution, but I’m open to redefining responsibilities together.What I’m Looking For in a CofounderStrong ownership mindsetWillingness to execute, not just ideateComfortable with ambiguity and early-stage challengesInterested in building a real business, not just testing ideasBased in the US (preferred, but not required if aligned with US market focus)Stage & CommitmentProduct is liveEarly customer onboarding in progressThis is an early-stage role with meaningful upsideEquity-based, structured fairly based on contribution and commitmentWhy JoinProduct already built — not just an ideaClear market and real customer problemOpportunity to shape the company from the ground upHigh ownership and long-term upsideNext StepsIf this sounds interesting, reach out with a short note about your background, what you enjoy building, and what you’re looking for in a cofounder relationship.— Emmanuel
MARUKZ

CTO Technical Cofounder for AR Ecosystem

MARUKZ
Brooklyn (Co-)Founder Other Tech Full-time Other None > 30% Remote only
About this position:
I’m looking for a technical co‑founder to own architecture and implementation of IMP as a cross‑device layer (phone, watch, AR) for automation of everyday choices. Your zone: integrations with external services, decision engine and data flows, first versions of AI agents, and technical hiring as we grow. I need someone hands‑on in AR/VR and real‑time context, who thinks in a structured, systemic way and can consistently step outside standard templates.
Rewall

Technical co-founder for Edtech startup

Rewall
Stockholm (Co-)Founder Tech Part-time Bachelor's Degree None 20% - 30% Flexible (Office and Remote)
About this position:
We are looking for a CTO and co-founder of our digital platform. The platform is a combination of a high-tech search engine and a social media platform. We want to make research easy to access and dumb-proof.The company Humarena AB started in 2022 by then M.A. students Makrina Hjälm Ellnemyr and Karin Hellqvist. During the autumn of 2025, the founders ventured into the world of tech by starting up a project that would modernize the world of research. Now, we are looking for a third co-founder to continue developing the company and our future digital platform. From the spring of 2026, the company will be part of an EU project.To be able to become a co-founder, you need live up to the following criteria:- A minimum of 120 hp within relevant fields- Be proficient in English- Be committed to work at least 50%This is an un-paid position. The goal is to scale up the company to earn its first revenue later this year.
More-Rewards

Founding Commercial Partner EquityBased Flexible Commitment

More-Rewards private
London (Co-)Founder Marketing & Sales Part-time None 10% - 20% Remote only
About this position:
More-Rewards is building a first-of-its-kind loyalty and payments solution, in partnership with Mastercard®, for professional sports and membership-based organisations (golf, football, rugby, health).This role is intentionally structured for an experienced commercial leader who:Has a strong network and credibilityMay already be consulting, advising, or operating elsewhereWants meaningful equity and long-term upside without a full-time commitmentYou will have real ownership, influence, and visibility, not just targets.About More-RewardsMore-Rewards is an early-stage fintech and loyalty venture redefining how rewards work.Traditional loyalty programmes rely on discounts or incentives funded by sellers. We flip that model.Using a tailored prepaid Mastercard® and supporting digital ecosystem, consumers receive real cashback on everyday spending, while clubs and venues benefit from increased engagement, spend, and retention.MVP built and approved by Mastercard® service partnersEarly clients onboardingClear expansion path across multiple sports verticalsThe RoleWe are seeking a founding commercial partner to join the CEO, CTO, and Business Development Manager.Your mandate is simple but powerful: Own growth, revenue, and external presence.This is not a junior sales role. It’s a senior, outward-facing position suited to someone who excels at opening doors with managing director level targets, closing complex deals, and representing a business at the highest level. What You’ll Be Responsible ForExpanding and converting an existing pipeline with senior decision-makersLeading high-level commercial conversations, pricing, and deal structureActing as a visible ambassador and spokesperson for More-RewardsRepresenting the company at industry events, communities, and partnershipsHelping shape the long-term growth, monetisation, and go-to-market strategyTime commitment is flexible and outcome-led, not hours-based. Who This Is ForYou are likely:A senior commercial leaderHighly likely to have a background with a sports marketing or sports services agencyExperienced in fintech, B2B SaaS, payments, or enterprise salesWell-networked at board / C-suite level in golf, football, rugby, or sportComfortable leading revenue conversations and influencing stakeholdersEntrepreneurial, credible, and relationship-drivenWe are not looking for:A short-term contractA passive advisory positionCompensation & StructureEquity-based (no salary at this stage)Commission on revenue generatedEquity allocation discussed transparently based on:Time commitmentExperience and networkRevenue and traction deliveredVesting and milestone-based structure agreed upfront Why This Is Worth Your TimeGenuine founding-team role with co-founder-level influenceOpportunity to be the commercial face of a Mastercard-backed fintechDirect impact on growth, revenue, and future fundraisingSignificant long-term upside as the business scalesIf this sounds like something you’d want to explore — even alongside existing commitments — I’d welcome an initial, no-pressure conversation.
Workbit

Technical Cofounder

Workbit
San Diego (Co-)Founder Other Tech Full-time Post-Secondary Diploma/Certificate None Flexible (Office and Remote)
About this position:
Technical Co‑Founder (AI/ML/CV/SL, Multimodal Systems)OverviewWe're building Workbit,  a workplace analytics company focused on using AI to empower, not replace the workforce. Our mission is to build intelligent tools that help employees optimize their performance, unlock their potential, and thrive in their roles. By leveraging data from real-world workflows, I aim to bridge the gap between management and frontline teams through actionable insights and ethical AI.I believe the future of work is not about automation for efficiency alone, but about augmenting human capability. My passion lies in developing technology that uplifts people, enhances collaboration, and ultimately contributes to a more productive and humane future of work.What You’ll DoArchitect and build core multimodal AI infrastructure (e.g., large language models + vision/audio pipelines).Rapidly prototype and launch MVP features (e.g. real-time inference, transformer-based fusion).Own technical roadmap, tooling, and hiring strategy as a co-founder.Help define product strategy and participate in fundraising.Ideal ProfileStrong background in deep learning, computer vision, modeling and or supervised learning.Experience with multimodal systems; either academic, open-source contributions, or deployed products.Early-stage startup mindset: ready to commit time and energy for equity.Collaborative communicator: excited to shape both product and company culture.Why Join UsBe first technical leader and co-founder with meaningful equity.Join an ambitious journey to redefine multimodal AI UX.Influence product vision, culture, and future hiring.Next StepsInterested? Shoot me a brief note sharing your interest, background in ML/CV/multimodal work, and what excites you about this mission. Let’s connect and build something groundbreaking.
Talos

Lead AI Engineer recherché pour startup IA

Talos
Paris (Co-)Founder Tech Full-time None 5% - 10% Remote only
About this position:
Expert en orchestration de LLM, workflows agentiques et boucles d’auto-correction.
Vertrauma

MitgründerIn für genehmigtes Gründungsstipendium Niedersachsen

Vertrauma
Bad Gandersheim (Co-)Founder Tech Business & Strategy Marketing & Sales Full-time High School/Secondary Education 30k-50k Flexible (Office and Remote)
About this position:
Mitgründer*in fürs Gründungsstipendium Niedersachsen (Start ASAP)Wir suchen eine engagierte Person, die Lust hat, Verantwortung zu übernehmen, mitzudenken, mitzugestalten und Vertrauma langfristig mit aufzubauen. Dein Profil sollte unsere Profile zumindest in Teilen ergänzen, deswegen suchen wir jemanden mit Skills in Marketing/Sales, Softwareentwicklung, Design oder Management. Im psychologischen Bereich sind wir schon gut abgedeckt, aber wenn du andere Skills hast und ein großes Interesse mitbringst, freuen wir uns auch sehr über dein Interesse. Wir haben das Gründungsstipendium Niedersachsen bewilligt bekommen und suchen nach einer dritten Person für die Zeit während und nach der Förderung. Wir freuen uns auf ein Gespräch mit dir!
Axiomos

Axiomos (Deeptech AI Infra) — Seeking Technical Advisors & Contributor Partners

Axiomos Inc
Adliswil Team-Member Tech Part-time Master's Degree None 2% - 5% Flexible (Office and Remote)
About this position:
About AxiomosAxiomos is developing AXIR, a proprietary universal intermediate representation for AI execution. The goal is to decouple AI workloads from vendor-specific hardware and runtimes (CUDA, ROCm, Trainium, TPU, etc.) and enable standardized execution across heterogeneous accelerators.The project is already incorporated and the MVP core (CPU + OpenCL backend) has been developed independently by the founder. Current work focuses on validation, performance, standardization, and productization.What we are looking forWe are no longer seeking a co-founder or CTO. The cap table and governance are closed.We are open to collaborations with experienced technical contributors interested in:– Runtime & infra engineering (CPU/GPU/OpenCL/CUDA/ROCm/SYCL)– DevOps / CI / build / tooling– Compiler/toolchain engineering– Productization of deep infrastructureNo salary at this stage. Equity is limited, vesting-based, and only considered for high-value technical contribution (non-governance).Profiles that may fit– Senior software engineers (systems, infra, runtime, DevOps)– Compiler / GPU / HPC engineers– Technical advisors with infra/productization experienceThis is a deeptech infra project, not an AI application startup. If you are interested in foundational infra rather than models/applications, feel free to reach out.
Samavira

Marketing CoFounder CMO

Samavira OU
Marbella (Co-)Founder Business & Strategy Marketing & Sales Full-time Bachelor's Degree None > 30% Remote only
About this position:
Applicants need to be based in USA/Canada or Europe/UK.Applicants need to have strong proven marketing expertise (both strategy + execution).To complete your application, please read the full job description and answer the questions at the very bottom. Incomplete applications will not be considered.About SamaviraSamavira is building the world's first scalable meditation brand through an accredited instructor certification and licensing model - think Zumba, but for meditation.The problem we're solving: Most people can't sustain a meditation practice, because apps create passive dependency and use generic one-size-fits-all content that fails to meet individual needs. Meanwhile, qualified meditation teachers lack the skills to build a sustainable meditation business, despite growing demand.Our solution: We train people to design a personalized meditation style, based on their unique mind and nervous system, supported by live community and accountability systems. In addition, we certify instructors and license them to deliver our training in their local communities under our brand.What makes us different:Our Method: Personalized approach - we teach people to become independent meditators, not app-dependent consumers.Our Programs: We deliver meditation courses, teacher trainings (with accredited certification), and corporate wellness programs. Our Business Model: Turnkey brand licensing system - certified instructors receive our brand, curriculum, business playbook, marketing materials, and ongoing support to start local meditation hubs, becoming Samavira brand ambassadorsCurrent stage: Established brand with initial traction: active community and proven training programs. Next milestone: Preparing to fundraise to accelerate growth and launch our brand licensing model.Learn more: https://samavirameditation.comThe RoleWe're seeking a Cofounder with strong marketing expertise to drive growth and scale our mission. This is a true cofounder position - not simply a CMO hire. Core ResponsibilitiesDevelop and execute comprehensive marketing strategy aligned with business objectivesLead end-to-end campaign planning, implementation, and optimizationSet and track marketing KPIs; use data-driven insights to refine approachManage marketing budget and resource allocationBuild and scale content marketing strategyPresent marketing performance and strategic recommendations to stakeholdersContribute to overall company strategy, fundraising, and business developmentStay up to date with the latest technology and best practicesRequired BackgroundMust have: Proven hands-on marketing experience (both strategy and execution)Great to have: Additional expertise in branding, sales, operations, business development, or startup environmentsIdeal Cofounder ProfileYou are someone who:Has genuine entrepreneurial drive and isn't afraid of daily operational work (this is NOT a management-only role)Thrives in startup environments - late nights, pivots, and ambiguity energize youEnjoys being hands-on: brainstorming, testing, iterating, improving continuouslyIs highly versatile: comfortable with strategy, execution, and team managementLearns proactively and constantly expands your skill setHas strong interest in mental health and wellness (required) and meditation (ideal)Believes in creating meaningful impact, not just building for an exitCompensationThis role includes:Equity stakeProfit dividendsMonthly base salary will be discussed after fundraising is successfulAs cofounders, our collective input directly drives company output and financial returns.Please note: we receive hundreds of applications, so to stand out, please ensure yours includes everything you want to share with us - so we can truly get a clear picture of your background and motivation!To apply, send us the following on LinkedIn: https://www.linkedin.com/in/lauren-schuivens Send us your resume, or ensure your LinkedIn profile is fully complete and up-to-date.Send us a message answering these two questions: 1) Why are you interested in a startup co-founder role? 2) Why are you interested in joining our company?We will respond to all applicants by the end of January.
Surplus Food App, UAE

Technical Cofounder for Food App

Surplus Food App, UAE
Dubai (Co-)Founder Other Tech Full-time Bachelor's Degree None Flexible (Office and Remote)
About this position:
OverviewBuilding a surplus food app in the UAE, with a mission to tackle food waste. I believe in making a difference in a country with a high food waste per capita and an increasing cost of living over the years. There are several features not offered by competitors in the market, making this food app truly stand out, helping F&B businesses sell more food, and consumers benefiting from purchasing edible surplus food sold at discount Requirements / ExperienceLooking for a Technical Co-founder to partner with in building a surplus food app in the UAE.You will have an understanding of modern engineering practices across a wide array of tech stacks, to ensure smart choices are made about architecture, frameworks and development practices.Previous experience in start-ups, from working for/with a founder, or as a previous founder yourself, to fund raising and ambition for growth. This is imperative to building this app from the ground up, including what it takes to have an app designed and built alongside other tech requirements for the business overall.Other requirements will also include both business and emotional intelligence. Be a great communicator, logical, collaborative, accountable and flexible, with the commitment and drive to grow the business with forward vision in the region.Experience working in the Middle East would be ideal and based in the UAE or willing to relocate.You are a real foodie, driven with our mission and believing in bettering the community in day-to-day life for both the F&B industry, our planet and for consumers socio-economic wellbeing, making an impact and real change for the better.Location is Dubai, UAE. You will either be based there or willing to relocateSalary and Equity to be discussedPlease feel free to reach out if you have any questions or would know anyone who may be of interest for this role 
Fanverse

Technical CoFounder EquityOnly Sports Tech Startup FanVerse

Fanverse LLC
Albuquerque (Co-)Founder Tech Part-time None 5% - 10% Remote only
About this position:
DescriptionI’m building FanVerse, a second-screen mobile platform for live sports fans. The product is already live as an MVP and has been tested with early users. We’re now entering the stage where strong technical leadership is needed to scale the platform, refine architecture, and ship features faster ahead of major sports events.I’m looking for a Technical Co-Founder who is excited about building consumer products and is comfortable taking ownership of both backend and frontend (or at least understands both deeply).This is an equity-only role — no salary at this stage. The opportunity is for someone who wants real ownership, long-term upside, and a key role in shaping the company.What You’ll DoTake ownership of the technical direction and architectureBuild and improve backend APIs, databases, and infrastructureWork on frontend features (mobile app) or closely guide themHelp prepare the product for scale and reliabilityMake key technical decisions as a founding team memberTech Stack (Current)Frontend: React Native, ExpoBackend: Node.js, ExpressDatabase & Auth: Firebase (Firestore, Auth, Storage)APIs: API-SPORTS (via secure proxy)Infra & DevOps: GitHub, Vercel, Docker, PM2Security: CORS, rate limiting, Helmet, caching(You’ll have influence over how this evolves.)Who You AreStrong in backend development (Node.js, APIs, databases)Comfortable with frontend (React / React Native is a big plus)Can think in systems, scalability, and clean architectureInterested in equity, ownership, and long-term valuePrefer building something meaningful over short-term payWhat You GetMeaningful equity as a co-founderReal decision-making power (not just “another developer”)A product that already exists — not just slidesOpportunity to grow the company toward global scaleAbout the FounderFounder is working full-time on FanVerse, handling product vision, business, partnerships, and growth. The goal is to build a strong, balanced founding team where tech and product are equally represented.Interested?Send a short intro about:Your tech backgroundWhat you’ve built beforeWhy you’re interested in a co-founder role
ScamHunter

Cofounder Partnerships Sales Strategy

ScamHunter Pvt Ltd
New Delhi (Co-)Founder Business & Strategy Marketing & Sales Full-time Post-Secondary Diploma/Certificate None 20% - 30% Remote only
About this position:
Role: Co-Founder (Business / Go-To-Market)You will own the business side end-to-end. This includes customer discovery, enterprise sales, partnerships, pricing, positioning, and go-to-market strategy. You’ll work closely with a technical founder who owns product and engineering, shaping the company from early pilots to repeatable revenue.What you’ll doLead customer conversations with banks, fintechs, and enterprisesDefine pricing, packaging, and commercial strategyDrive pilots, proofs of value, and early revenueBuild partnerships and enterprise relationshipsPrepare the company for fundraising and growthWho you areExperience selling or working with enterprise or regulated customersComfortable with long sales cycles and ambiguityStrong communicator and executor, not just a strategistFounder mindset: ownership, speed, and accountability
TourDine Africa

Chief Business Officer

TourDine Africa LLC
Lagos (Co-)Founder Business & Strategy HR & Operations Full-time None 5% - 10% Flexible (Office and Remote)
About this position:
Co-Founder: Business DeveloperMission: Turn TourDine from concept into revenue. Secure the first flagship venue deals and define our commercial model.You Will Own:Deals: Close partnerships with luxury hotels, resorts, and tourist hubs.Strategy: Build pricing, corporate sales, and revenue streams.Funding: Lead seed fundraising with our pitch deck.Launch: Drive the go-to-market plan for our first location.We Need:A proven dealmaker who closes complex B2B partnerships. A strategic operator who models unit economics and sells vision with equal skill. Resilience is non-negotiable.The Offer:Significant Founder Equity (double-digit %, 4-year vesting).C-Level Title (CBO/Head of Biz Dev) and full strategic authority.Clear Founder's Agreement and a chance to build a category-defining brand.Your First Win: Convert our strong venue interest into a signed, revenue-generating deal for launch.Let's build the business behind the journey.
RoadHive

Full stack developer for Logistics startup

RoadHive Not officially incorporated
Mumbai (Co-)Founder Tech Part-time None > 30% Remote only
About this position:
We are looking for a Full-Stack Developer to help build and scale an on-demand logistics platform that connects shippers, transporters, and loaders. The role involves developing both frontend and backend components of the product and contributing to the overall technical architecture of the platform.Responsibilities include building scalable backend services, APIs, and databases, as well as creating responsive and user-friendly web interfaces. The developer will work on features such as load posting, truck matching, trip management, notifications, and dashboards. Ensuring system performance, security, and reliability will be a key part of the role.The candidate will collaborate closely with the founder to translate business requirements into technical solutions, participate in product discussions, and iterate based on user feedback. This role also includes testing, debugging, deployment, and maintaining clean, well-documented code to support future growth.This is an early-stage opportunity to work on a real-world problem, take ownership of the product, and grow with the startup as it scales.
Gramhub

Technical CoFounder for CreatorFirst Social Startup

Gramhub C Corp
New York City (Co-)Founder Product & Design Marketing & Sales Full-time None Flexible (Office and Remote)
About this position:
We’re looking for a technical co-founder who is also passionate about marketing and web design. This is a unique opportunity to shape the product, brand, and growth of a platform redefining discovery for creators.Key Responsibilities:Lead development of AI-powered tools and platform features (mobile and web)Build, maintain, and improve the Gramhub website and user experienceExecute marketing strategies, including social media, campaigns, and growth initiativesCollaborate on product strategy, feature prioritization, and community feedbackHelp define and scale the technical architecture as the platform growsWhat We’re Looking For:Strong technical skills (full-stack, mobile, AI integration a plus)Experience with web design / UX — ability to create a clean, creator-focused interfaceMarketing and growth mindset — understanding how to attract and retain usersBuilder mentality: scrappy, hands-on, and comfortable wearing multiple hatsPassion for the creator economy and empowering creatorsWhat We Offer:Co-founder equity (primary compensation)Opportunity to shape product, brand, and strategy from day oneEarly traction, private beta community, and momentumLong-term upside as the company growsSalary:Equity-first. No salary initially; full compensation will be structured as the platform scales or funding is secured.
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