Engineering partner · Products · Platform

Software your business can build on.

Odanexus builds and operates business software — products you can use today, custom systems engineered to the same standard, and one platform that runs it all.

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app.odanexus.com · Rivera Electrical Group

OverviewContractsPayrollBudgetsReportsSupport

Active contracts

Payroll · Mon

$86,420

Margin · Q3

+18.2%

ContractBudgetSpentStatus

Plaza Carolina — Phase II$412k$318kOn track

Hospital Auxilio — HVAC retrofit$268k$244kReview

Condado Oceanfront — electrical$154k$61kOn track

One company

Three ways to work with us.

Not three businesses — one engineering standard, exposed three ways.

ProductsSoftware you can subscribe to today — Citanexus for scheduling and operations, Mercanexus for ecommerce, inventory, and orders.Explore products →EngineeringCustom systems, automation, AI, and integrations — built to the same standard as our own products.Explore services →PlatformThe private platform where clients run payroll, contracts, budgets, and reports — and their engagement with us.How it works →

Engineering

What we build

Every engagement starts with a business problem, not a technology. These are the six we solve most.

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Custom software

The system your spreadsheets are pretending to be.

Automation

Manual processes, retired. Hours returned every week.

AI systems

Applied where it holds up in production — nowhere else.

SaaS development

From validated idea to operated product — we've done it for ourselves.

Integrations & APIs

Your accounting, field, and sales tools — finally talking.

Cloud & modernization

Legacy systems replaced without stopping the business.

Featured work · Contractor operations

A contractor moved payroll visibility, project costs, invoicing, signed approvals, and compliance documents out of Excel, paper, Outlook, and Word—and into one operating platform.

2 wks

Core platform launch

1 click

Payroll totals

Live

Current status

See the implementation→

Operations runLive

Validated workweeksReady

Payroll totalsAvailable

Invoices & compliance documentsGenerated

Validated workweeks feed payroll, invoicing, budgets, and auditable documents.

Products

Products you can use today.

The same engineering standard we bring to client systems, packaged as products you can subscribe to right now.

Public SaaS · scheduling

Citanexus

Scheduling and operations for appointment-based businesses — medical offices, salons, spas, and anyone who lives by the calendar. Booking, reminders, client records, and a front desk that never forgets.

See Citanexus →

Dra. Marrero — Cardiology

9:30 AM · Follow-up · Room 2

Confirmed

Salón Vela — Color & cut

10:15 AM · Marisol · Chair 4

Reminded

Spa Aguadilla — Deep tissue

11:00 AM · New client · Suite 1

Confirmed

Public SaaS · commerce

Mercanexus

A modular commerce system you switch on feature by feature — online store, inventory, menu, and delivery or pickup orders. Start with what the business needs today and turn on the rest as you grow.

See Mercanexus →

Pedido #1042 · Delivery

Carolina · 3 items

Preparing

Pedido #1041 · Pickup

Ready — Ana M.

Ready

Pedido #1040 · Delivery

Bayamón · 5 items

On the way

Café con Leche · 250g

Low stock — 6 left

Reorder

The platform

Every client runs on the platform.

Not a portal bolted on after the sale — the private system where your operations and our partnership live, from day one. It’s the same platform we run Odanexus on.

Payroll — crews and subs paid on time, costs landing on the right contract.

Contract management — every job's committed, spent, and remaining — tracked live.

Invoicing & billing — invoices built from real hours and materials, out the day the work is done.

Documents & e-sign — contracts, change orders, and permits stored and signed in the system.

Business reports — profit, sales, and cost — the numbers that run the business, not vanity charts.

Your engagement with us — project status, deployments, documentation, support with published response times.

How the platform works →

Contract margin · Last 6 months

+18.2%

Margin, Q3

Active contracts

< 4h

Support response

Workflow

How the work flows

Understand

We spend a week or two inside your operation, learning how the business actually works before any software is proposed.

Propose

You get a clear plan to work from — fixed scope, honest tradeoffs, and a number you can plan around.

Build

Working software ships every week, visible on the platform, so progress is something you watch happen in real time.

Operate

After launch we keep running it with you — monitoring, support, and steady improvements as the business grows.

Tell us what you’re running up against.

We’ll reply within two business days with a real read on your situation — not a sales pitch. Rather talk it through? Book a free, short video call.

Start a conversation Book a free call