Built Different. Delivered Right.

!404developers

Websites, apps & platforms that work the first time. Strategy, design, engineering & growth in one lean squad.

What You Get

Outcome‑driven strategy, clean execution & compounding improvement loops – not just pretty screens.

  • 40%+ avg conv lift
  • <1hr urgent SLA
  • 24/7 support
  • 100% custom builds

Product & UX

Research‑lite validation, UX flows & design systems.

Web & App Dev

Landing pages → full platforms (React, Next, Node).

Custom Software

Dashboards, automation & internal tooling.

Mobile Builds

Android + iOS with performance & offline care.

Infra & Hosting

Secure, scalable, observable deployments.

Care & Growth

Iteration cycles, A/B probes & retention lifts.

Why It Works

  • Fast, incremental delivery
  • Transparent pricing
  • Dedicated PM channel
  • 24/7 support (care plans)
  • 100% custom builds
  • Founder‑style guidance

Results That Compound

Tiny teams, lean loops, measurable lift. A few representative outcomes:

40%+Avg. conversion lift post redesign
< 1hrTarget SLA for urgent issues
100%Custom builds – zero templates
24/7Support availability (care plans)

Who We Are

We’re not a bloated agency—just a focused product/design/engineering squad.

Formed by builders tired of over‑scoped decks & under‑delivered launches. We pair disciplined delivery with pragmatic architecture so your roadmap actually accelerates.

  • Lean & fast
  • Transparent
  • Tech + business fluent
  • Outcome obsessed

Less ceremony. More shipped value.

Recent Work Snapshots

A few representative slices of how we blend design systems, performance budgets and clean architecture. (Full case studies coming soon.)

SaaS Onboarding Revamp

Cut time‑to‑value from 7m → 2m 10s by progressive profiling & empty‑state UX.

  • +38% activation
  • -71% drop‑off

E‑Commerce Core Web Vitals

Refactored image pipeline & critical CSS delivery for sustained green LCP.

  • 1.6s LCP
  • +12% conv.

Founder Dashboard

Unified finance + product usage telemetry with role‑based access.

  • -4h/wk manual ops
  • 99.9% uptime

Mobile Retention Lift

Implemented contextual nudges & offline caching for Tier‑2 connectivity.

  • +17% D30 retention
  • -28% crash rate

How We Build — In 5 Lean Loops

Reducing waste, amplifying validated learning & shipping value continuously.

  1. 1. Clarify

    Lightweight discovery + success metrics & guardrails. No heavy doc dumps.

  2. 2. Shape

    Slice initiative → testable increments. Define acceptance & edge risk map.

  3. 3. Build

    Design tokens, accessible components, observable services & infra as code.

  4. 4. Validate

    Automated checks + performance / UX heuristics + stakeholder preview loop.

  5. 5. Iterate

    Usage telemetry & cohort signals feed next micro‑improvements.

What Partners Say

“They treated our roadmap like owners. We shipped v1 two weeks early and nothing broke at scale.”
Growth SaaS Founder
“Accessibility & performance both improved—without redesigning everything from scratch.”
Product Lead, Marketplace
“Clear process, crisp communication, zero drama dev. The most ‘plug‑in’ team we’ve used.”
Startup Advisor

Stack & Tooling We Love

Choosing boring where it matters and bold where it pays off.

  • React
  • Node.js
  • Next.js
  • PostgreSQL
  • Redis
  • Tailwind / Tokens
  • CI/CD
  • Performance Budgets
  • Design Systems
  • Observability

Let’s Build Your Next Thing

Validating an idea or scaling adoption? We architect, ship and iterate with you—so momentum never stalls.

  • Free homepage UI mockup
  • 10% off dev + hosting bundle
  • 6 mo free hosting (full build)