Austin, Texas — US & Canada

Results-driven
solutions

We build custom software for US and Canada companies that need more than off-the-shelf tools. Senior engineers only. Production-grade code. Real results — not decks and promises.

$100M+

in transactions processed

180K+

active users

100%

serverless

What we do

Engineers who build, not consultants who advise.

We write the code. We own the architecture. We deploy to production. Our team has processed over $100M in transactions on platforms we built from scratch.

$100M+

in transactions processed on platforms we built

180K+

active users across systems we operate today

100%

serverless AWS — zero ops overhead for your team

Services

Three things we're exceptional at

Custom Software Development

Full-stack platforms built with Next.js, React, and TypeScript. Multi-tenant SaaS, payment systems, internal tools. CI/CD from day one.

Next.jsReactConvexCI/CD

Cloud Architecture (AWS)

Design, migration, and optimization. Serverless-first using Lambda, DynamoDB, and S3. We cut infrastructure costs by up to 90%.

LambdaDynamoDBS3CloudFront

AI-Powered Applications

Natural language interfaces, automated document workflows, intelligent data processing. Production AI that actually works.

Claude AILLM integrationAutomationNLP

Featured work

Our work speaks louder than our pitch.

AXZ Platform

Axzon — Austin, TX

$547,500 in delivered value

A full-stack enterprise platform built for Axzon's Austin operations. Custom multi-tenant architecture, real-time data processing, and AI-powered workflows deployed on serverless AWS infrastructure.

Full case study

Delivered

Multi-tenant SaaS platform
Real-time data processing pipeline
AI-powered document workflows
Serverless AWS architecture
Custom admin dashboard
Role-based access control

How we're different

Not your typical software shop.

CriteriaTypical AgencyCartwheel Galaxy
Team compositionMix of junior and seniorSenior engineers only. No juniors learning on your project.
CommunicationAccount manager layerDirect access to the engineers building your product. No account managers in between.
Tech ownershipHandoff and disappearYou own 100% of the code and IP from day one. Full repo access throughout.
Pricing modelHourly, unpredictableFixed-scope or time-and-materials. Transparent. No hidden fees.
ArchitectureTemplate-drivenServerless-first on AWS. Built to scale without infrastructure headaches.
AI capabilitiesBolted on post-buildClaude AI, LLM integration, and automation built into your product — not bolted on.

Is this you?

Honest about fit.

Good fit

  • You need a custom platform — not a WordPress site or off-the-shelf tool
  • Your budget is $50K+ and you value quality over speed-to-cheapest
  • You want to own 100% of the code and IP from day one
  • You need ongoing partnership, not a one-time deliverable

Not a fit

  • You need a simple landing page or marketing site
  • You're looking for the lowest-cost development option
  • You want to hire individual contractors, not a team
  • Your timeline is 'yesterday' with no room for architecture

Our stack

Frontend
Next.jsReactTypeScriptTailwind CSS
Backend
ConvexAWS LambdaNode.jstRPC
Infrastructure
AWSDynamoDBS3CloudFront
Auth & Payments
ClerkStripeAuth.js
AI
Claude AIOpenAILangChainVercel AI SDK

How we work

Our Process

Five clear phases, zero ambiguity. You know what we're doing and when from day one to launch.

Discovery

01

We understand your business, users, and constraints before writing a line of code. Typically 1-2 weeks.

Architecture

02

We design for scale, security, and maintainability. You review and approve before we build.

Build

03

Iterative development with weekly demos. You see progress every week, not just at the end.

Launch

04

Production deployment with monitoring, alerting, and runbooks. We don't throw code over the wall.

Evolve

05

Ongoing partnership. Bug fixes, new features, architecture improvements. We stay as long as you need us.

Verticals

Industries We Serve

Deep experience across industries that require the most demanding software — where reliability, security, and scale are non-negotiable.

Financial Services & Fintech

Payment platforms, transaction processing, compliance workflows, and financial dashboards built for reliability.

Healthcare & Life Sciences

HIPAA-aware architectures, patient data workflows, clinical tools, and secure data platforms.

SaaS & Enterprise Software

Multi-tenant platforms, subscription billing, role-based access control, and B2B SaaS infrastructure.

E-Commerce & Marketplaces

High-traffic storefronts, marketplace platforms, inventory management, and optimized checkout flows.

Government Contractors

Federal software for US government contractors. Secure, compliant, and built to public sector standards.

Deep Tech & AI

AI-native products, data pipelines, ML integrations, and intelligent automation for technology companies.

FAQ

Common questions.

Where is your team based?

Austin, TX. Engineering teams across North America. Same timezone, same working hours.

What's your typical project size?

$50K for focused MVPs to $500K+ for enterprise platforms. We scope honestly — if it's too small or too big, we'll tell you.

How is Cartwheel Galaxy different from hiring in-house?

You get a full senior team immediately — no recruiting, no ramp-up, no management overhead. We ship from week one.

Do you work with startups?

Yes. We've helped early-stage companies build their first product and funded companies scale existing platforms.

How do you handle IP and code ownership?

You own everything. 100% of the code, designs, and IP from day one. It's in our contract.

Free 30-min strategy call

Ready to build something that actually ships?

Tell us what you're building. We'll tell you honestly if we're the right team — no sales pitch, just a direct conversation with the engineers who would build it.

Senior-only teamNo junior developersAustin, TX basedResponse within 24h
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Cartwheel Galaxy · Custom Software Platforms