Web application development company
Web Application Development Company
We build custom web applications that run your operation — portals, platforms, dashboards, and AI-driven interfaces — engineered end to end and built to scale.
In production: a live US EV-charging platform, a 50-state data platform
A senior team that owns architecture to launch
You own the code, the data, the roadmap
Why projects stall
Why web app projects stall
Months of build, no usable product
Work keeps moving, but there is still nothing the business can use.
It doesn't fit the tools you run
The app sits beside the systems the operation already depends on.
Scope changes, progress doesn't
New requests land, and the thing that was supposed to ship keeps sliding.
No clarity on what's being built
Without a written scope, nobody can tell what done looks like.
What we build
Web applications built for the operation
Customer platforms & portals
The surface customers and partners actually use.
SaaS & multi-tenant platforms
Accounts, roles, and isolation from the first release.
Operational dashboards & internal tools
The screens a team uses to run the day.
AI-driven interfaces
Interfaces that act on live data, reviewed before they ship.
Marketplaces & transactional platforms
Payments, workflows, and the rules between parties.
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.
EV charging · US
ChargeOnSite — a live charging platform for large property networks
Bookings, payments, access control, and live monitoring, with OCPP so multiple charger vendors work without hardware lock-in.
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.
Energy data · US
Peak ETL — oil and gas data unified across all 50 states
Pipelines that ingest well, production, land, and regulatory data, and add new states without rebuilding the system.
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
Deepest in energy, mobility, and data — and web applications for operations-heavy businesses of every kind.
Pricing
Scope-based pricing, timelines in writing
The range follows the scope. Terms are written down before engineering starts.
Focused build
$30K–$70K
A defined platform, portal, or tool. Typical timeline: 6–12 weeks.
Best for: One clear product surface
Talk to an engineerFull platform
$70K–$150K
A multi-feature product with integrations, auth, and dashboards. Typical timeline: 3–6 months.
Best for: A product with several workflows
Talk to an engineerEnterprise
$150K+
Custom workflows, roles, security, and scale. Typical timeline: 6+ months.
Best for: Systems the operation depends on
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.
