How to Launch a SaaS Solo: My 2026 Stack and Method

I've launched several products on my own. Web SaaS, iOS apps, open-source tools. Some work, some don't. But every time I learn the same lesson: what kills you as a solo founder isn't a lack of ideas, it's the time wasted on stuff that doesn't pay.

Today I'm CTO of CBlindspot, a LegalTech SaaS. And on the side I keep shipping my own projects. So the question of "how do you launch a SaaS when you're completely alone" is one I ask for real, every week, with my own time on the line.

Here's my stack and my method in 2026. No theory. What I actually use.

My solo SaaS stack: the default choice

When I kick off a new product, I barely think about the solo SaaS stack anymore. I have a default, and I stick to it unless there's a serious reason to deviate. Rethinking the stack on every project is just procrastination in disguise.

My default:

• Next.js + TypeScript: one framework for both front and back. App Router, Server Actions, API routes when I need them. TypeScript everywhere, non-negotiable. Typing saves your life when you're the only one rereading your code at 11pm.
• Tailwind + shadcn/ui: I don't hand-craft buttons anymore. shadcn gives me clean components that I own in my repo and tweak however I want. You copy, you adapt, you move on. The design system is sorted in a day.
• Prisma: my ORM. The schema is readable, the migrations are clean, and the autocomplete is perfect with TypeScript. I almost never touch raw SQL early on.
• Postgres or MongoDB: Postgres by default for anything relational (most SaaS). MongoDB when the data model is genuinely loose or I'm prototyping fast. I don't mix the two just for fun.
• Vercel for web deployment. You push, it's live. Preview deploy on every PR. Zero server config. For a solo founder, it's unbeatable at the start.
• Hetzner when I need a VPS for long-running jobs, scraping, or anything that blows past serverless timeouts. My Hetzner VPS costs me less than 4 euros a month and runs 24/7. Vercel for the web, Hetzner for the dirty work.

I know this stack inside out. That's the whole point. I don't burn an hour reading the docs for some new tool. I write the feature that pays.

Auth and payments: don't reinvent anything

Two things where solo founders waste a ton of time: auth and payments. It's tempting to build it all yourself. Don't.

For auth, I grab a managed solution. NextAuth/Auth.js when I want to stay in my repo and keep control, or Clerk when I want it sorted in twenty minutes with magic link, SSO, and session handling already done. Coding your own password management, reset flows, and sessions is a huge surface for bugs and security holes for zero added value. Nobody ever bought your product because you wrote your own hashing.

For payments, it's Stripe on the web, RevenueCat on mobile. On my iOS apps (QuranWay, WallCraft AI), RevenueCat handles subscriptions, trials, purchase restoration, and cross-device sync. I migrated QuranWay to RevenueCat and it took a mountain of fragile homegrown code off my hands. On the web, Stripe Checkout + webhooks, full stop. You wire up the webhook that flips the premium flag in the database, and that's it.

The rule: anything the market has already solved, you buy. You code what makes you different, nothing else.

Trigger.dev for background jobs

The point where beginners struggle is when they need to run code outside the HTTP request. Sending emails, generating a report, scraping, calling an LLM that takes 40 seconds. Vercel's serverless functions time out at 60 seconds. You get stuck.

My answer: Trigger.dev. It's a job orchestrator in TypeScript. You write your task as a function, trigger it from your app, and it runs in the background with automatic retries, logs, and long durations, no problem. For anything AI (RAG, generation, batch), it's perfect: you never block the user.

When a job is genuinely heavy or has to run on a permanent cron, I move it to the Hetzner VPS with a native cron. But for 90% of cases, Trigger.dev gets it done without me having to manage any infrastructure.

The method: ship fast, measure, iterate

The stack is 30% of the game. The rest is discipline. My motto is "ship fast, wire AI in, don't over-engineer". Here's how that plays out day to day.

Start embarrassingly simple. Your first deploy should be ugly and incomplete. A landing page, a signup, one feature that works. If you're not ashamed of your v1, you launched too late. I've had products that took three weeks to see their first user, and I should have had it in three days.

Don't over-architect. No microservices. No event-driven setup on a product with zero users. No "just in case" abstractions. A tidy Next.js monolith carries you to thousands of users without breaking a sweat. You'll build the architecture that scales when you actually have a scaling problem. Right now your problem is getting a customer.

Measure before you code the next feature. Put analytics in from day 1. On QuranWay I have a homegrown analytics hub that tells me exactly where people drop off. The result: I discovered my paywall was converting at 0.58%. That number made me rethink the whole model and move from a hard paywall to freemium. Without the data, I'd have coded ten useless features thinking the problem was somewhere else.

Iterate on what moves the needle. Once you measure, you know. You stop coding on instinct. Every week, one question: what gets me closer to revenue? You do that. The rest waits.

The mistakes to avoid as a solo founder

I've made just about all of these at least once. Learn from mine.

• Building for three months before showing anyone. You'll fall in love with your vision and completely miss what people actually want. Show early, take the hits early.
• Picking tools you don't know for this specific project. Keep your default stack. A new project isn't an excuse to learn a new framework. You learn on throwaway side projects, not on the thing that's supposed to pay.
• Coding auth and billing yourself. Already said it. It's trap number one.
• Optimizing performance nobody is suffering from. You don't have a performance problem with 12 users. You have an acquisition problem.
• Neglecting marketing. As a solo founder, "build it and they will come" is false. WallCraft AI is live on the App Store, and the real work starts there, not before. Block out time every week for distribution, or your product dies in silence.
• Doing perfect instead of done. Perfectionism as a solo founder is just fear in disguise. A finished product that's live beats a perfect product in your head, every single time.

In summary

Launching a SaaS solo in 2026 isn't a technical problem. The stack is solved: Next.js + TypeScript + Tailwind + shadcn + Prisma on Postgres or Mongo, deployed on Vercel, with Hetzner and Trigger.dev for the heavy lifting, plus managed auth and billing that you never write yourself.

The real game is discipline. Start simple. Don't over-architect. Measure. Iterate on what pays. Distribute as much as you code.

Your stack won't make you win. Your speed at learning from real users will. Pick boring tools you've mastered, and put all your energy into the only thing that matters: shipping the product, showing it, and improving it with data. Ship fast. The rest follows.