Full stack dev seeking to join as co-founder
I'm Rafal, senior full-stack engineer based in Dubai. Rust/WASM specialist, but I ship across the whole stack — React/TypeScript/Tailwind, Kotlin/Swift for mobile, Go and Python for backend. 10+ years building production software.
I love building. I don't love selling. Looking for someone who is the opposite.
What I need from you: real customer conversations already happening, some distribution or audience, and obsession with a specific problem. You sell, I build.
What I'm not looking for: a Notion doc full of ideas. Come back when you've talked to 10 customers.
Open to equity or revenue share. Happy to do a 30-day trial before any formal agreement.
DM me or drop a comment.
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Really like this approach — clear, practical, and focused on execution. Too many people bring ideas, not customers. Respect for valuing traction first.
I work as a CTO / full-stack engineer helping founders turn traction into stable, scalable products — backend systems, subscriptions, AI integrations, and product delivery. Recently helped scale a live app to 120k+ users.
If you ever need an extra technical partner on the build side, happy to connect 🚀
My location in US, Chicago
Impressive stack, Rafal. I’m building a high-concurrency engine for global e-commerce that requires exactly the kind of performance optimization you mentioned (Rust/Python). I’ve already moved past the 'Notion ideas' phase and have a solid architecture ready for a CTO to lead. Sent you a DM with the specifics. Let’s connect."
Hi, it sounds like you’re already deep into execution, which is great.
I’m a Senior Full-Stack AI Engineer (U.S.-based) with 7+ years of experience across backend, frontend, mobile, and systems work, and I focus heavily on building scalable production systems.
If you have an active project or a clearly defined problem you’re working on, I’d be happy to connect and learn more about what you’re building and see how I can contribute.
Civil engineer here (PE, 15 years in California). I've been on both sides of land development design space— designer and reviewer — and I've watched the AEC software space stagnate for my whole career.
Looking for a technical partner who wants to take on Autodesk and Bluebeam in a space they've been milking for decades. The incumbents can't fix what's broken without cannibalizing in which they charge a fortune.
Think of it as Figma for AEC. Happy to share more.
This is a solid post, especially the “sell vs build” clarity.
One thing I’ve been noticing working on AI-heavy systems is that once you start wiring outputs into real workflows, you hit a different class of problems than just building features, more around reliability and edge-case behavior over time.
Curious if you’re leaning toward products where that kind of systems thinking matters, or more straightforward SaaS?
Useful perspective — the community benefits a lot from founders sharing both wins and setbacks. How long did it take to get to this point?
Hey— saw your post about looking to join a startup and wanted to reach out directly.
I'm building CareAuth — an AI that eliminates prior authorization denials for clinics. Prior auth is the process where doctors need insurance approval before a patient can receive care. Every insurer has different requirements. One wrong field means automatic denial and a 3-week restart. This costs US clinics $13B+ annually.
We validate every submission against that specific payer's exact requirements before it goes out. The model learns from every approval and denial across our network — one clinic's failure becomes every clinic's protection.
2026 CMS regulations are forcing the entire industry onto digital infrastructure. That window is open right now.
What we need from a full-stack engineer:
— Build the clinic-facing dashboard and intake form
— Own one EHR integration (athenahealth or eClinicalWorks)
— Build the outcome capture mechanism that feeds our AI
Seed stage. Equity-heavy. 10-week MVP sprint. Real problem with a hard regulatory deadline creating urgency no competitor can manufacture.
If any of this sounds interesting — even slightly — I'd love a 15-minute call this week. No pitch, just a conversation.
What does your availability look like?
Nice
Quick question — as you’re building, have you ever had parts of a system behave differently over time even when nothing obvious changed?
I’ve been seeing that a lot with AI-integrated workflows.
Been working on a small runtime layer that stabilizes that kind of drift underneath systems — not replacing anything, just keeping behavior consistent.
Curious if you’ve run into that yet or not.
Hey Rafal,
Built a platform called Startr (getstartrapp) for exactly this kind of search. Invite only, proof of work required to get in , so no Notion doc people, only founders who've actually built or sold something.
Think it could be a good fit for what you're looking for.
Rust/WASM expertise combined with a shipping-first mindset is a rare find, Rafal. Your "you sell, I build" approach is the ultimate partnership model for founders who have the distribution but lack the technical depth to scale beyond a simple prototype.
I’m currently running a project (Tokyo Lore) that highlights high-level technical builders and high-potential business logic. Since you're looking for partners with real customer traction, testing your "full-stack dev" pitch in a competitive environment could be a perfect way to attract founders who are already moving fast and need a senior partner to keep up.