Micro-SaaS Development: From Idea to Revenue in Weeks
I build focused, profitable SaaS products for solo founders and small teams. One problem, one solution, one subscription -- live and earning within 4-6 weeks.
What Is Micro-SaaS and Why It Works
Micro-SaaS is a small software product that solves one specific problem for a niche audience. Unlike enterprise SaaS that takes 12-18 months and EUR 100,000+ to build, a micro-SaaS can launch in 4-6 weeks for EUR 1,500-7,000 and reach profitability with just 50-200 paying customers.
The economics are simple: a product charging EUR 29/month needs only 70 customers to generate EUR 2,000/month in recurring revenue. With low hosting costs (EUR 20-50/month) and zero employee overhead, micro-SaaS products deliver exceptional margins.
I am Kirill Strelnikov, a freelance SaaS developer based in Barcelona. I have built micro-SaaS products including a multi-tenant time-tracking platform for HoReCa, AI-powered analytics tools, and e-commerce platforms. I focus on getting your product to the first paying customer as fast as possible -- not building features nobody asked for.
Micro-SaaS Products I Develop
B2B Niche Tools
Scheduling for specific industries, invoice generators, project trackers, review management, inventory tools. Focused on one vertical, solving one pain point better than horizontal tools.
AI-Powered Tools
Content generators, data analyzers, document processors, chatbot builders. Add AI to a niche workflow and charge a premium for it. LLM costs are your moat -- custom beats generic.
Integration & Automation
Connect two tools that do not talk to each other. Sync data between platforms. Automate a manual process. If people use spreadsheets and Zapier for it, you can build a SaaS for it.
What You Get in a Micro-SaaS Build
Every micro-SaaS I build includes the foundational infrastructure that takes months to build from scratch:
- User authentication: Sign up, login, password reset, email verification. Social login optional.
- Stripe subscription billing: Monthly/annual plans, free trials, proration, cancellation, invoices. Webhook-based so billing never misses an event.
- User dashboard: Clean, responsive interface for your core product functionality. Built with modern UI components.
- Admin panel: Manage users, view analytics, handle support. Django admin customized for your needs.
- Landing page: SEO-optimized homepage with pricing, features, FAQ, and signup CTA. Converts visitors into trial users.
- Transactional emails: Welcome, trial expiring, payment receipt, password reset. Templated and customizable.
- Production deployment: Docker, Gunicorn, Nginx, SSL, automated backups. Your product is production-ready from day one.
Micro-SaaS Tech Stack
Why Django? Django is the fastest framework for building SaaS products. Built-in auth, admin, ORM, and security save 4-6 weeks of development compared to Node.js or Rails. Django powers Instagram, Pinterest, and Disqus -- it scales to millions of users. For a micro-SaaS, it is overkill in the best possible way.
Why not no-code? No-code tools (Bubble, Softr) work for prototypes but hit walls at scale: slow performance, limited customization, vendor lock-in, and monthly costs that eat your margins. A custom Django SaaS costs EUR 20-50/month to host, never limits your features, and you own the code.
How I Build Your Micro-SaaS
Validate (1 week)
Before writing code, we validate demand. I build a landing page with waitlist signup and help you run a small test. If people sign up, we build. If not, you saved thousands. This phase is optional but recommended for first-time founders.
Scope & Plan (2-3 days)
I define the minimum viable product: which features make the cut, which wait for v2. We agree on deliverables, timeline, and fixed price. I push back on feature creep -- shipping fast matters more than shipping perfect.
Build (3-6 weeks)
Weekly demos so you see progress. Core product first, then billing, then landing page. You can start inviting beta users by week 3. Changes and feedback are incorporated in real-time.
Launch & Iterate
I deploy to production, set up monitoring, and help with your launch strategy. After launch, I offer monthly retainer for bug fixes, feature additions, and scaling. Most micro-SaaS products need 2-3 months of iteration after launch to find product-market fit.
Micro-SaaS Products I Have Built
CorgiCafe -- Multi-Location Employee Time Tracker
Built a multi-tenant SaaS time-tracking platform for 5 cafes in Barcelona. Features: real-time check-in/check-out, overtime detection, holiday tracking, role-based access, and Excel export for payroll. PostgreSQL schema-per-tenant isolation ensures data security between locations.
InstaAnalyzer -- Instagram Influencer Audit Bot
Built a Telegram-based micro-SaaS that analyzes Instagram profiles for businesses evaluating influencer partnerships. Scores audience authenticity across 12 factors, detects fake followers, generates PDF reports. Monetized via Telegram Stars and Stripe payments. 132+ automated tests, 10,000+ lines of code.
Micro-SaaS Development Pricing
Fixed-price contracts. All tiers include auth, billing, deployment, and 30 days of post-launch support. No hidden costs.
- Core product feature
- User auth & profiles
- Stripe billing (1-2 plans)
- Landing page
- Basic admin panel
- 3-4 weeks delivery
- 30 days support
- Multiple core features
- Advanced billing (trials, annual)
- User dashboard & analytics
- REST API
- Email notifications
- Custom admin panel
- 5-7 weeks delivery
- 30 days support
- Multi-tenant architecture
- Team management & roles
- Webhooks & integrations
- Advanced analytics
- API with documentation
- 8-12 weeks delivery
- 60 days support
Monthly hosting: EUR 20-50. Need AI features? Combine with my LLM integration services.
Frequently Asked Questions
About Kirill Strelnikov
Kirill is a freelance SaaS developer in Barcelona specializing in SaaS MVP development and micro-SaaS products. He has built multi-tenant platforms, AI-powered tools, and e-commerce systems. His approach: ship fast, iterate based on real user feedback, and build only what matters for growth.
Stack: Python, Django, PostgreSQL, Stripe, Redis, Docker. Fixed-price contracts. English, Spanish, Russian.
Get Your Quote
Fixed price. 24-hour reply. No commitment.
Or message directly: Telegram @KirBcn · WhatsApp