SaaS development company
SaaS Development Company
Turn your SaaS idea into a secure, scalable, revenue-ready product. Built subscription-ready and production-grade from the first release, by senior engineers with AI in the loop.
Production-grade and subscription-ready from release one
Built to scale from the first sprint — no costly rebuilds
You own the code, models, and IP
Why SaaS
Why teams build SaaS
Scale without adding headcount for every customer
The product carries the next account. The team is not rebuilt for each one.
Recurring revenue
Billing, plans, and accounts are part of the product from the first release.
An AI-native product
SaaS is where AI products ship. We build with AI in the loop, and a principal engineer still owns what goes out.
SaaS services
What a SaaS engagement covers
Custom AI SaaS build
Multi-tenancy, billing, and auth from the first release.
SaaS migration
Legacy systems moved to cloud-native, planned so the product stays up.
Third-party integrations
Stripe, HubSpot, Salesforce, OpenAI, and custom APIs.
Scaling & performance
The system holds as usage grows, without a rewrite to get there.
Architecture consulting
A fractional CTO on the decisions that are expensive to undo.
Post-launch support
The same senior team stays on after the first release.
How AI fits our work
AI changed what building software is. We build that way.
Our senior engineers direct AI that writes code underneath them — and they review and own every line that ships. AI accelerates the work; it never decides what's right.
A real starting point on day one
AI turns your vision into a structured SRS, wireframes, and a first working product direction in hours, not weeks — so you're reacting to something real, not a blank page.
The repetitive work, automated
Boilerplate, tests, and documentation are AI-generated and engineer-reviewed — shorter cycles and fewer early bugs.
A principal engineer owns the result
Every change is reviewed in context before it ships. You're never handed raw AI output.
You own what it produces
The SRS, the designs, the code, the docs — all yours.
The result: delivery timelines cut by roughly 40–50%, and fewer bugs in early releases — without cutting corners.
AI product
Jeter — from product vision to a live, patent-pending AI product
A compatibility engine built around values, personality, and behavior, shipped with a senior team and AI in the loop.
Operational software
Pattern50 — studio operations brought into one live platform
Files, contracts, billing, resource hours, and client status in one system a US studio actually runs on.
Product build
Impromek — a stalled build taken through to a live platform
An unfinished product finished into a working platform the founder could run, with a senior team owning delivery.
How we work with you
Build, fix, or scale — one senior team
Build
New production software end to end, from first architecture to launch.
Fix & Stabilize
Make what's slow, breaking, or fragile reliable enough to build on again.
Scale & Maintain
Grow and run the system with a senior team that stays on it.
How we start
Start small. Own everything. No lock-in.
Start with a technical review
A senior engineer, often our CTO, finds the real constraint and what's worth building, fixing, or leaving alone.
We scope the piece, not a rebuild
One clear outcome. Your stack, vendors, and team stay.
You own what gets built
The code, the data, the roadmap. No lock-in.
Industries
Any sector building SaaS. Deepest proof in AI products, data, and operational platforms.
Pricing
Models matched to the work
Pick the model that matches how defined the product is. Terms are in writing first.
Fixed Price
From $40K
End-to-end delivery, milestone-based.
Best for: A clear scope and defined features
Talk to an engineerDedicated Team
From $7K/month
Principal engineers, a PM, and QA, plus a fractional CTO. Cancel anytime.
Best for: Evolving scope and an ongoing build
Talk to an engineerOne Full-Stack Engineer, Max AI
From $25/hr
One principal engineer at full AI leverage, with weekly reporting.
Best for: Short sprints and specific features
Talk to an engineer
Why 6sense HQ
Why teams choose 6sense HQ
Proven in production
Real systems running today — ChargeOnSite, Peak ETL, and Jeter. 80+ products shipped since 2017.
Senior engineering
30+ full-time engineers, PMs, QAs, and designers. Architecture led by a fractional CTO. 20+ production tech stacks.
Named and verified
Trusted by names like Greystar and Cushman & Wakefield. 99% client satisfaction. 5.0 on Clutch.
Yours, protected
You own the code, data, and IP — assigned under US jurisdiction, no lock-in. NDA before any discussion. Security on every engagement. Milestone-based — you pay for completed work.
Frequently asked questions
Talk to an engineer
Free 30-minute technical review, often with our CTO. No obligation.
