Puerto Jiménez, Costa Rica
info@gexpsoftware.com
© 2026 Marcelo Retana
Speed isn't about cutting corners - it's about learning faster. Here's my approach to rapid MVP development.
After 10+ years of building software, I've learned one thing: the faster you ship, the faster you learn.
Most startups don't fail because of bad code. They fail because they took too long to reach users.
CB Insights' analysis of 101 startup post-mortems found that 42% failed because there was no market need — something they would have discovered sooner if they'd shipped sooner (CB Insights). By the time they launched:
Eric Ries, author of The Lean Startup, put it well: "The only way to win is to learn faster than anyone else." That learning happens when real users touch your product — not when your team debates features in a conference room.
I've refined a process that gets working products in front of users quickly:
Not every feature needs to be in v1. I work with clients to identify the one thing their product must do well. Everything else is v2.
Research from the Standish Group's CHAOS report has consistently shown that 64% of features in typical software products are rarely or never used (Standish Group). Cutting scope isn't compromising — it's focusing investment on what actually matters.
I use tools that accelerate development without sacrificing quality:
This stack lets me build in weeks what traditional agencies quote months for. The combination of AI-assisted development and modern frameworks eliminates the repetitive scaffolding work that consumes most of an agency's timeline.
I don't hand off designs to developers — I am both. This eliminates the back-and-forth that kills momentum.
According to a McKinsey study on product development, handoffs between teams account for up to 30% of total project time in traditional agency workflows (McKinsey, 2019). When one person owns strategy, design, and code, that overhead disappears entirely.
Products that would take agencies 3-6 months, I deliver in 2-4 weeks. Not because I cut corners, but because I've eliminated everything that doesn't add value.
My clients launch faster, spend less, and start learning from real users while their competitors are still in planning mode. Over 50 projects shipped with a 5.0 client satisfaction rating on Clutch and Google — the track record speaks for itself.
Most MVPs are delivered in 2-4 weeks. Simple landing pages and validation tools can ship in under a week. More complex products with authentication, payments, and custom logic typically take 3-4 weeks. The timeline depends on scope, but the point of an MVP is to validate the core idea — not to build every feature.
Significantly less than a full product build. Because I work as a solo senior engineer using AI-assisted development, there's no agency overhead, no project manager fees, and no bloated team. The exact cost depends on complexity, but most clients find it's 50-70% less than comparable agency quotes.
The MVP is built on production-grade architecture (Next.js, React, Node.js, PostgreSQL). It's not throwaway code. After launch, we iterate based on real user data — adding features, refining the experience, and scaling the infrastructure. The foundation supports growth without requiring a rewrite.
Yes, frequently. Most of my MVP clients are founders with a clear vision but no technical co-founder. I translate business requirements into a working product, handle all technical decisions, and explain everything in plain language. You stay in control of the product direction while I handle the engineering.
Want to launch your MVP fast? Let's talk.