AI-native software studio for startups

Senior-quality software for a fraction of the cost of a dev team.

One senior engineer and AI do the work of a whole team. You pay a fixed price, and every feature is tested.

Lower costOne engineer and AI, not a full team
FastMVP in about 4 weeks
Fixed priceAgreed before we start
TestedEvery feature, every week

Lower cost

A fixed price, far below what a traditional team costs

In week 0 you approve a written scope and one price. You pay for the agreed result, never by the hour. Any change to scope is quoted before work on it starts.

Why it costs less

  • One senior engineer leads the work, not a whole team you pay for.
  • AI writes much of the code, so each feature takes fewer hours.
  • No project managers or handoffs between people.
  • Tests catch bugs early, before they get expensive.
Get a fixed quote in 48 hours

Services

Software development services for startups

MVP Sprint

Fixed-price MVP development for founders: from idea to a tested, launched product in about 4 weeks.

Product Retainer

Product engineering on a fixed monthly fee: a senior engineer plus AI working through your roadmap, without hiring.

Rescue and Harden

AI-built app rescue: your Lovable, Bolt or Cursor prototype audited, secured and covered by tests for production.

Maintain and Run

App maintenance on a monthly plan: hosting, monitoring, updates and fixes, so your product keeps running after launch.

Testing and CI/CD

On-demand manual and automated testing for your existing product, plus CI/CD pipelines that test every change before release.

Case studies on request. Real projects: architecture, screenshots and results, sent to you by email.

Built with Lovable, Bolt or Cursor?

AI-built app rescue: from demo to production

AI tools build demos fast. Production is where they break. What we look for first:

API keys and secrets exposed in the code
Data leaks: users seeing each other’s data
No tests, so every fix breaks something else
No backups when it goes down

Our difference: an experienced engineer and tests that prove it works. Rescue and Harden starts with a production audit: a written report on security, data access, tests and backups, plus a fixed quote to fix what matters.

Get a production audit

Tested

How we test every feature

Fast only matters if it works.

  1. Acceptance criteria first
  2. Tests before code
  3. Automated on every change
  4. Security checks
  5. Manual QA
  6. Your sign-off
Every weekTest report and open bugs.
GuaranteeBugs against the agreed criteria fixed free for 90 days after launch.

How we work

One senior engineer leads your product, from first sketch to launch

Your lead engineer has at least 10 years of building production software and works with you directly. AI does the heavy lifting on code.

What the lead engineer is responsible for

  • ArchitectureChooses the stack and data model to fit your product and its next two years, not the engineer’s habits.
  • Wireframes and UI/UXWireframes for your approval in week 0, then a clean, consistent interface built on a proven design system.
  • Feature breakdownSplits every feature into small, testable pieces, each with acceptance criteria you sign off.
  • Code reviewReviews every significant change before it is merged; AI reviews every change.
  • DeliveryRuns the weekly demo, sends the test report and answers your questions directly.
  • HandoverDocumentation, tests and a walkthrough, so any engineer can pick up the code after us.

You see everything, any time

Your project lives in a private repository, transferred to your account at handover. You can see what is done, in progress and next at any time, without asking for a status update.

From idea to launched MVP in about 4 weeks

  1. Week 0Spec, wireframes and fixed quote
  2. Week 1Working skeleton on staging
  3. Weeks 2 to 3Core features, demoed weekly
  4. Week 4Launch, tests, docs, handover

Larger scopes get a longer timeline, still fixed before we start.

Let’s scope your MVP.

A 30-minute scoping call with a senior engineer. A fixed quote within 48 hours.

Prefer email? hello@gethappy.dev

Frequently asked questions

How much does an MVP cost?

It depends on scope. One senior engineer working with AI replaces much of a traditional team, so it costs less than a typical approach. You get a fixed quote within 48 hours of the scoping call.

How can you ship in about 4 weeks?

No handoffs, AI writes much of the code, and tests run on every change. Bigger scopes get a longer timeline, still fixed upfront.

Can you fix an app built with Lovable, Bolt or Cursor?

Yes. We audit it first, then fix security, data access and tests. If rebuilding part is cheaper, the audit tells you.

Can you just test our existing product?

Yes. Manual QA, automated tests and CI/CD for your current codebase. No rewrite needed.

Do you bill by the hour?

No. A fixed price per scope, or a fixed monthly fee for ongoing work.

Who owns the code?

You do. We transfer the repository to your account at handover. Your code and data are never reused for another client.

Where are you based?

Vinh City, Nghe An, Vietnam (UTC+7), one hour behind Singapore. We work with clients remotely.