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TrendBullet

Cofounder Growth PerformanceOnly Trial Equity at TrendBullet

TrendBullet Software Development
Chicago (Co-)Founder Marketing & Sales Other Part-time None 10% - 20% Remote only
About this position:
About TrendBullet Day-trading automation built for disciplined, rules-based trading of leveraged ETFs (TQQQ/SQQQ) via Alpaca. Laravel 11 backend, Vue 3 frontend.What you’ll own in the first 60–90 days (performance-only):Define ICP + messaging; ship 3 focused landing pages and a 90-sec demo.Stand up the core funnel + analytics (GA4 / Tag Manager or similar).Launch 2–3 channels (e.g., Search, YouTube creators, affiliates/Discord/newsletters) with weekly experiments.Implement lightweight partner tracking (Rewardful or similar) and clean attribution (UTMs, ref codes, D30 payout).Write compliant copy for a regulated-adjacent niche (no earnings claims; clear risk disclosures).Compensation during trial (rev-share):20% of MRR for months 1–12 per referred/attributed account, then 10% for months 13–24.Cap: $400 per user (lifetime).Payout: D30 in arrears (e.g., June earnings paid by July 30).Notes: applies to actual billed amounts (after coupons/proration). Stops on churn; resumes if the user re-subscribes within 24 months until the cap/window is hit.Path to potential Cofounder (after hitting KPIs): After a 60–90 day trial, if agreed targets are met (e.g., ≥25 net new paid subs/month, trial→activation ≥30%, clean attribution & reporting), we’ll discuss conversion to Cofounder (Growth) with 3–10% equity, 4-year vest / 1-year cliff (final % based on stage + scope at conversion). Cash comp begins once TrendBullet hits MRR milestones (e.g., salary starts at $10k–$15k MRR).Nice to haveShipped PLG SaaS growth.Creator/affiliate relationships in trading/investing.Hands-on ads (Search / YouTube / X), lifecycle (email/SMS).Landing pages (Webflow/Next) and analytics wiring.Stack you’ll touch GA4, Tag Manager, Google Ads/YouTube/X Ads, Stripe, Postmark/Twilio, Vue. Backend Laravel, frontend Vue 3.Why this is interesting Fast iteration loops, measurable upside, and real ownership of GTM in fintech—without committee drag.
Anero AI

Technical Co founder to B2B SaaS Startup

Anero AI
Stockholm (Co-)Founder Tech Full-time Bachelor's Degree None > 30% Flexible (Office and Remote)
About this position:
I'm building Anero - AI Workspace for B2B Account Teams. MVP-ready and now building the technical founding team.The MissionBring structure and focus to B2B account teamsBuild the first true AI-led “System of Action”Turn reactive account work into predictable growthThe OpportunityShape architecture, AI layer, and integrationsOwn engineering culture and technical visionHuge whitespace - no real competitor in workflow executionHigh-impact problems that touch data, AI, UX, and systems designWhat I’m Looking ForA senior full-stack or platform engineerWho wants ownership, responsibility, and creative freedomSomeone who thrives early-stage and builds fastA true partner to define product, category, and team
T3

CTO wanted to handle the technical vision of the startup

T3
Mumbai (Co-)Founder Other Full-time Master's Degree <30k > 30% Flexible (Office and Remote)
About this position:
Founding CTO (Co-Founder) – Intelligence Systems Inspired by the Human BrainI am building a next-generation AI company focused on creating intelligent systems that learn, adapt, and evolve in a way closer to how the human brain processes, decides, and improves over time. This is not about scaling existing models — this is about redefining how intelligence itself is engineered.I am looking for a Founding CTO who is deeply driven by first principles, neuroscience-inspired thinking, and building fundamental systems from the ground up. This is a true co-founder role, not an employee position.Your MissionDesign and architect core intelligence systems inspired by learning, memory, perception, and decision-making in the human brainLead deep technical research and translate it into real, working systemsBuild the foundational architecture for adaptive, continuously learning intelligenceOwn all major technical decisions, system design, and long-term roadmapBuild and lead the founding technical teamWork side-by-side with the founder on core IP, strategy, and product directionIdeal Background & SkillsStrong foundation in AI/ML, computational neuroscience, cognitive science, systems engineering, or applied mathematicsDeep understanding of learning dynamics, memory systems, optimization, and adaptive behaviorExperience building complex systems from scratch (zero to one)Comfort with research uncertainty and unexplored technical territoryAbility to think in biological inspiration &#43; engineering executionHigh ownership mindset with long-term startup commitmentMindset I’m Looking ForFirst-principles thinkerObsessed with how intelligence actually worksComfortable reinventing assumptionsLong-term builder, not a short-term optimizerEmotionally resilient, technically rigorousWhat You GetFounding equity with meaningful ownershipFull technical authority and architectural controlDirect ownership of core intellectual propertyOpportunity to build category-defining intelligence technologyFreedom to invent, not just iterateCurrent StageEarly research & system designEquity-first partnershipRemote-first, high-ownership cultureGlobal, long-term vision
GemTrack

Full Stack Technical Co Founder

GemTrack
New York City (Co-)Founder Tech Product & Design Part-time None 20% - 30% Remote only
About this position:
About Us:We are building an AI-powered, all-in-one SaaS platform for jewelry businesses, streamlining inventory, sales, and customer management. Our mission is to empower jewelers with smarter tools to grow their business.Role Overview:We’re seeking a technical co-founder to lead product development, architecture, and technical strategy. This is a hands-on, equity-driven role where you will shape the future of the product and company.Responsibilities:Build, maintain, and scale the SaaS platform (front-end, back-end, databases, and cloud deployment)Integrate AI features to automate and optimize operationsCollaborate on product strategy, roadmap, and technical decisionsEnsure system security, reliability, and scalabilityManage any future engineering hires and contractorsRequirements:Proven full-stack development experienceSaaS and cloud architecture expertiseKnowledge of AI/ML integrationStartup experience or strong product mindsetFounder-level ownership, accountability, and problem-solving skillsEquity:Significant co-founder equity (negotiable based on experience and contribution)Why Join:Opportunity to co-build a high-potential SaaS, take real ownership, and shape the company’s success from the ground up.
AquaLume productions

Co founder wanted for Water fountains startup

AquaLume productions
Cape Town (Co-)Founder Product & Design Business & Strategy Marketing & Sales Full-time Bachelor's Degree 30k-50k 1% - 2% Flexible (Office and Remote)
About this position:
AquaLume Productions: Job DescriptionJoin us at AquaLume Productions, where we blend technology and artistry to create breathtaking water light shows. We're seeking passionate co-founders and team members who thrive on innovation and creativity. Ideal candidates will possess expertise in event management, visual design, and technical production. Together, let's illuminate the world with unforgettable experiences that captivate audiences and redefine entertainment!
NordientAi

CoFounder Wanted for AI Automation Compliance Startup NordientAI

NordientAi Sole Proprietorship
Västerås (Co-)Founder Product & Design Business & Strategy Marketing & Sales HR & Operations Full-time Post-Secondary Diploma/Certificate None 5% - 10% Remote only
About this position:
NordientAI is looking for a technical cofounder who can help build and scale a compliance-first AI automation company. You will work directly with me to design and implement workflow automations (n8n, APIs, Fortnox, Make), develop internal tools, and shape the long-term product direction. The focus is on building reliable systems that SMEs can trust, with strict alignment to the EU AI Act and GDPR.You should be someone who thinks in processes, moves fast, and takes full ownership of technical decisions. You don’t need hype; you need structure, clarity, and the drive to build something meaningful from day one. Together, we will build an end-to-end automation and governance platform that solves real operational problems for Swedish SMEs.If you want to co-create a serious company and operate with accountability, precision, and long-term commitment, let’s talk.
InnerChild

Lead Psychologist CoFounder for Inner Child Mobile App Startup

InnerChild
New York City (Co-)Founder Other Part-time Master's Degree <30k 10% - 20% Remote only
About this position:
About the project:Inner Child is a startup developing a gamified mobile mental well-being application designed to help people who did not experience enough love and care in childhood and therefore developed self-perception challenges such as lack of self-love and self-worth. These issues often underlie other mental difficulties, including self-criticism, low self-esteem, stress/anxiety, emotional overwhelm, feelings of loneliness, and lack of support.  We aim to help users address these root causes through the concept of the Inner Child. To make the journey of self-improvement less heavy and more engaging, the application will be gamified.Responsibilities:- Creating psychological content for the application;- Helping create posts for our social media: suggesting ideas and advising on topics;- Conducting or sourcing psychological research for the app;- Participating in app development, offering features and ideas that benefit both users and the business;- Determining which psychological problems the app will focus on and creating solutions for them;Requirements:- Ability to contribute at least 20 hours per week (must have);- Strong desire to make the world a better place while also earning money;- You have lived in the US for at least 25 years (to ensure you deeply understand the culture of this region);- 10&#43; years of private practice;Will be a plus:- Proficiency in transactional analysis;- PhD;- Previous entrepreneurial experience;Offer:The project is in a very early stage and does not yet have external funding. Therefore, co-founders will need to work for future profit only during the next 3–6 months, without any salary, investing their time and possibly money.  This 3–6 month period is a realistic timeframe to bring the project to an “Investment-Ready State,” secure the first funding, begin receiving salary, and hire initial teammates to reduce the load on the founding team.Inner Child offers its co-founders:- Salary in 3–6 months;- Equity that you will be able to:        - receive dividends from once the business becomes profitable (2–4 year perspective);        - sell at a high valuation (4–8 year perspective);- Equity is on a 4-year vesting schedule with a 1-year cliff.How to apply:- you need to contact the founder (Ruslan) at:        - Telegram https://t.me/ruslan_kalinovych,         - LinkedIn https://www.linkedin.com/in/ruslan-kalinovych/,        - WhatsApp https://wa.me/48509497776;- send your resume and tell a bit about yourself;- receive document with more detailed description about the project and prototype of the app;- be invited to an interview.
Zenith

CoFounder and Chief Commercial Officer

Zenith Ethos Tech LLC
Dubai (Co-)Founder Business & Strategy Marketing & Sales Full-time Bachelor's Degree None > 30% Remote only
About this position:
Chief Commercial Officer (Co-Founder) - B2B SaaS, DubaiAbout ZenithZenith is an AI-powered communication assistant that transforms workplace chaos into organized action. We're solving a $45K/year productivity problem: knowledge workers waste 32 days annually switching between 10&#43; communication apps.Our platform-native approach integrates directly into Slack, Teams, and WhatsApp—automatically extracting tasks, enabling unified search, and summarizing conversations without requiring users to change behavior.Current Status:✅ Live product (Slack integration in production)✅ 10 months of development complete✅ 122 MENAP validation interviews conducted✅ 83% enterprise willingness to pay validated✅ $3.5B serviceable addressable market (MENAP)✅ Strong technical foundation and roadmap❌ Zero revenue (need you to change this)The OpportunityThis isn't an employee role—it's a co-founder position. The technical product is built, validated, and ready to scale. What we need is someone who can turn validation into revenue.Your Role & ResponsibilitiesAs Chief Commercial Officer and Co-Founder, you'll own:Go-to-Market StrategyDesign and execute B2B SaaS sales strategy for MENAP marketIdentify and prioritize target segments (enterprise/mid-market)Build sales playbooks and processes from scratchRevenue GenerationClose first 10 enterprise customers in UAE/Saudi ArabiaAchieve $1.4M ARR within 12 monthsBuild repeatable sales motion for scaleStrategic PartnershipsDevelop relationships with key enterprise accountsCreate channel partnerships and integration strategiesBuild advisory board and investor relationshipsTeam BuildingEventually hire and manage sales teamEstablish customer success functionBuild commercial culture and processesWhat I Bring (Founder/CEO)I handle all technology and product:15&#43; years engineering leadership (PayPal, Snapdeal, Raena, etc.)Led teams of 50&#43; across 8 countriesTrack record: 69% conversion increase, 233% margin improvementFull technical stack built and maintainedProduct vision and roadmap ownershipWhat You Should BringMust-Have:5&#43; years B2B SaaS sales experienceEnterprise sales expertise (proven deal closing)UAE/Saudi market knowledge and networkExperience building sales from 0→$1M&#43; ARREntrepreneurial mindset (comfortable with uncertainty)Based in or willing to relocate to Dubai/UAEStrong Plus:Previous CCO/VP Sales experienceMENAP regional enterprise networkArabic language proficiencyExperience with Slack/Teams/Microsoft ecosystemBackground in productivity or collaboration toolsPrior startup experience (especially 0-1 stage)What We're OfferingEquity: Significant co-founder equity stake (negotiable based on experience)Compensation: Initially equity-only; salary as revenue growsRole: True co-founder position with equal decision-making authority in commercial mattersOpportunity:Ground floor of validated product with clear market need$3.5B TAM in high-growth MENAP regionChance to build commercial engine from scratchWork directly with experienced technical founderShape company strategy and cultureWhat We're NOT OfferingLet's be transparent about what this isn't:❌ Not a salaried VP Sales role (this is co-founder level)❌ Not a remote position (need to be in Dubai/UAE for market access)❌ Not a "safe" corporate job (this is startup risk/reward)❌ Not immediate salary (equity-based until revenue)Who You AreYou're someone who:Gets energized by building something from zeroHas sold to enterprises and knows the long sales cyclesUnderstands MENAP business culture and can navigate itValues ownership over safetyCan work independently but collaborativelySees the validated product and thinks "I can sell this"Wants to build the commercial side of a company, not just do salesWhy This WorksMost technical founders struggle because they can't sell. Most commercial founders struggle because they can't build. We solve both problems:Product risk: Eliminated (it's built and live)Market risk: Validated (122 interviews, 83% WTP)Technical risk: Eliminated (experienced technical co-founder)Commercial risk: That's where you come inThe 90-Day PlanMonth 1: Validate product-market fit with first 5 pilots in UAE Month 2: Close first 2 paying customers Month 3: Establish sales process and pipeline for scaleNext StepsIf you're reading this and thinking "this is exactly what I've been looking for," let's talk.Contact:Nilesh Kumar, Founder & CEOEmail: nilukush&#64;gmail.comWhatsApp: &#43;971-526482905LinkedIn: linkedin.com/in/nileshkrWebsite: usezenith.ai
Elysian

CoFounder wanted for edtech setup

Elysian
Hong Kong (Co-)Founder Tech Business & Strategy Part-time None Flexible (Office and Remote)
About this position:
Elysian’s mission is to make emotional fitness as normal and accessible as physical exercise. We create simple, science‑informed tools that help young people practice coping, communication, and resilience in their everyday lives.  By partnering with schools, universities, and youth organizations, we turn emotional skills into a measurable, scalable part of education—supporting students while easing the load on overstretched staff.As Co-Founder, you are responsible for development of Elysian, as well as aiding in marketing and team member search if Elysian launches.
Lumenelo

Full Stack Developer Part Time with Contract and Equity Options

Lumenelo C Corp
Charlotte (Co-)Founder Tech Part-time <30k 10% - 20% Remote only
About this position:
We are seeking a talented and highly autonomous developer to help take our early-stage prototype and turn it into a polished, fully functional application. You will own major technical decisions, shape the architecture, and play a key role in guiding the product from prototype to production.ResponsibilitiesLead development from prototype to a stable, scalable, production-ready application.Make informed architectural and technical decisions with a high degree of independence.Integrate and optimize API workflows, external data sources, and LLM-driven features.Collaborate directly with the founder on product direction, features, and release strategy.Build clean, maintainable, well-documented code and processes.Contribute to long-term planning for technical infrastructure, performance, and usability.RequirementsStrong experience with JavaScript/TypeScript and modern frameworks.Deep understanding of APIs, LLM integrations, and related tooling.Ability to take loose requirements and turn them into functional, efficient solutions.Startup or rapid-build environment experience preferred (but not required).Comfortable owning projects end-to-end with minimal oversight.Strong problem-solving ability and willingness to iterate quickly.Role TypePart-time, flexible workload.Remote-friendly.CompensationProject-based pay, equity, and/or profit-sharing—structure dependent on experience and fit.High-impact role with long-term upside for the right person.
Reyoonite

Founding Growth Marketer

Reyoonite Corporation
Las Vegas (Co-)Founder Marketing & Sales Full-time None Flexible (Office and Remote)
About this position:
We’re looking for someone who can fully own customer acquisition and drive real, measurable results.We have a budget for paid ads and a roadmap that includes content, influencer partnerships, and email, but we’re strapped for time. That’s where you come in.If you’re a scrappy, full-stack marketer with a proven track record of independently driving user growth, we want to talk. You should be comfortable operating solo (at least initially), wearing multiple hats, and leveraging AI tools to extend your impact. Experience across media buying, social, content, email, affiliate, and influencer marketing is highly valuable.This is a performance-first role. We’re open to both revenue-share compensation and equity for the right person who can move the needle quickly. I'm also open to a straight salary agreement as well. If you’re the kind of person who doesn’t need hand-holding and can build momentum from day one, you’ll have real influence here.While marketing is our top priority, we’re always open to hearing from resourceful, high-impact generalists in other areas who can help us grow faster. Make your case—we’re listening.
Swiftscope

Growth Cofounder CEO CMO

Swiftscope OU
Warsaw (Co-)Founder Business & Strategy Marketing & Sales Full-time Master's Degree None > 30% Remote only
About this position:
About the ProjectSwiftscope is an LLM that can handle ad campaigns for you, starting with Google Ads. Imagine it like talking to ChatGPT, but the LLM can see your account, make changes, and optimise it. This can be expanded into other ad channels as well, making online ads faster to handle for experts and accessible and profitable for non-experts.Why now / Why is this importantWith the rise of AI, the internet gets flooded with content, and getting visibility is more competitive than ever. Ads are a stable revenue channel if handled properly.Project StateThe project is in a first prototype stage.Who are youI am looking for a business co-founder that can handle everything in the project while I build the product. This includes:Talking to users to get feedbackDaily OperationsMarketing StrategyNetworking & ConferencesYou should have a strong marketing background and shouldn't be afraid of direct sales. Also, you should be committed to making data-driven decisions.More about the project & mehttps://swiftscope.apphttps://lukabreitig.com
Invite Ellie

Enterprise Sales Rep Co Founder

Invite Ellie Inc
Santa Rosa (Co-)Founder Marketing & Sales Part-time None 5% - 10% Remote only
About this position:
About the Role We are looking for an experienced Enterprise Sales Representative to drive adoption of Invite Ellie, a meeting memory platform that helps organizations capture and recall context across every conversation. You will identify, engage, and close deals with mid-market and enterprise clients that rely on consistent alignment, data accuracy, and compliance in their meetings.ResponsibilitiesDevelop and execute strategies to build and manage a qualified enterprise sales pipeline.Lead the full sales cycle from prospecting through contract negotiation and close.Understand each organization’s meeting, compliance, and productivity challenges to align solutions with measurable ROI.Collaborate with marketing, product, and customer success teams to ensure strong onboarding and long-term satisfaction.Manage forecasts, track progress in CRM, and report key insights to leadership.Represent Invite Ellie at events, webinars, and enterprise demos.Qualifications5&#43; years of experience in B2B SaaS sales, preferably in enterprise or productivity software.Proven record of exceeding quota in complex, multi-stakeholder deals.Strong understanding of enterprise procurement, compliance, and data security requirements.Excellent communication and presentation skills, with the ability to translate technical value into business impact.Familiarity with CRM systems and modern sales stacks (HubSpot, Salesforce, Gong, etc.).Self-motivated, analytical, and comfortable working in a fast-paced startup environment.Success in this Role Means Consistently generating and closing high-value enterprise contracts, expanding customer relationships, and representing Invite Ellie as a trusted partner for organizational memory and meeting continuity.
Label-In-A-Box

Co Founder Wanted For Music AI Start Up

Label-In-A-Box
London (Co-)Founder Tech Full-time None > 30% Remote only
About this position:
&#x1f680; Co-Founder / Technical Partner — Label-in-a-BoxLocation: Remote | Commitment: Full-time / Equity-based (early-stage)About the Project: Label-in-a-Box is an AI-powered platform that automates the entire music creation and release process — from beat to distribution. Built for independent artists, the system acts as a full-service digital label in your pocket, handling production, accountability, and analytics automatically.The Role: We’re looking for a technical co-founder to join at the ground floor and help build, scale, and evolve the product into a global platform for creators. You’ll collaborate directly with the founder to refine the MVP, expand automation layers, and lead technical direction.Responsibilities:Own backend and frontend development (FastAPI, Vite/React preferred).Architect scalable systems for AI, automation, and data tracking.Integrate APIs for music, distribution, and analytics workflows.Guide product roadmap, tech stack, and deployment strategy.Collaborate on growth experiments and feature iterations.Ideal Background:Strong Python &#43; JavaScript (TypeScript/React) skills.Experience with FastAPI, automation tools (Make/Zapier), or AI integrations.Interest in music tech, creator tools, or SaaS products.Startup mindset — fast iteration, low ego, problem-solver.Offering:Equal equity split (50/50) with full creative and technical autonomy.The opportunity to co-lead an AI-driven music platform at pre-launch stage.
SoliFer

CTO and Cofounder for Energy Startup

SoliFer
Wien (Co-)Founder Tech Product & Design Full-time Bachelor's Degree None > 30% Flexible (Office and Remote)
About this position:
We’re building the brain of tomorrow’s energy system — and we need a tech visionary (f/m/d) to bring it to life.At SoliFer, we’re turning fragmented household and community energy into smart, grid-friendly power.Our mission: to make energy sharing intuitive, intelligent, and fair.More information here: https://lime-butternut-ccf.notion.site/Open-position-Chief-Technology-Officer-CTO-SoliFer-28d74a9c57868066ae28f601c6755315?pvs&#61;143
Acadova

Technical Co Founder wanted

Acadova Ldt
London (Co-)Founder Tech Part-time Bachelor's Degree None 10% - 20% Remote only
About this position:
We’re building TeamLink, an AI platform that creates digital employee avatars to automate onboarding, training, and internal knowledge sharing. Our mission is to eliminate the endless repetition, miscommunication, and confusion inside modern workplaces, and replace it with structured, intelligent support for every employee.We already have full product UX/UI, a clear roadmap, early pilot interest, and support from major startup accelerator programmes (Google for Startups, Microsoft for Entrepreneurs, NVIDIA Inception, IBM, AWS). We are now looking for a hands-on technical co-founder to take ownership of the product build and lead technology decisions.What You’ll DoArchitect and build the MVP (initially with our existing developer interns/team).Lead core decisions on AI model integration, data flows, and system architecture.Implement secure data storage and role-based access for organisations.Work closely with the founder to refine product logic and user experience.Guide early pilots and continuously improve based on real usage.What We’re Looking ForExperience in AI / ML integration, conversational agents, or generative models.Strong backend knowledge (Node.js / Python / FastAPI / or similar).Familiarity with building SaaS products, authentication, and scalable architecture.Curiosity, creativity, ownership, someone who cares about product, not just code.Ability to lead technical decisions and mentor junior developers.Comfortable working in an early-stage environment where we build fast and iterate.Nice to HaveExperience with vector databases (Qdrant, Pinecone, Weaviate).Experience building developer tools or B2B SaaS.Interest in knowledge management, cognitive tools, or workplace productivity.What We OfferCo-founder equity (to be discussed based on involvement and commitment).Option to shape the entire technological direction of the company.A place where your work becomes the core of the product, not a small part of a big structure.A mission-driven environment that values autonomy, innovation, and learning.
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