Internal tools and business applications
The system your team uses to actually do the work: order and job tracking, approvals, inventory, scheduling, reporting. Built around how the business runs rather than how the software would prefer it ran.
Software Development
Custom Software Development
Emyrix builds the applications a business runs on — internal tools, customer portals, integration layers, and the systems that replace a process currently held together by spreadsheets and copy-paste. We work in PHP and Laravel on the server and React where an interface earns it, and we take on existing systems as readily as new ones.
Custom software development from Massachusetts, working with businesses across the United States.
Technical expertise
- PHP 8.x
- Laravel
- React
- MySQL
- Redis
- Queues & background jobs
- REST & GraphQL APIs
- ERP & CRM integrations
- Legacy PHP upgrades
- Docker
- CI/CD & deploys
- AWS
Overview
What we do, and why it matters
Most custom software gets built because something manual stopped scaling. Two people spend their mornings moving numbers between systems. An order has to be re-keyed into the warehouse. A report that decides the week takes a day to assemble, so it gets assembled late. None of that is a technology problem until somebody writes down what actually happens, step by step, and finds the parts that no longer make sense.
That is where we start: with the process, not the stack. Often a chunk of it turns out not to need software at all — a setting in a system you already pay for, or a step that exists because of a decision nobody remembers making. What is left is usually smaller than the original request, and worth building properly.
The unglamorous parts are the ones that decide whether custom software survives its second year. Accounts and permissions. Background jobs that retry. An audit trail, so "who changed this" has an answer. Error reporting that tells somebody a nightly job failed, rather than leaving it to be discovered by whoever notices the numbers are wrong. We build those in from the start, because retrofitting them means rewriting the parts they touch.
A good share of this work is inherited. An application built years ago by a developer who has moved on, running on a PHP version that stopped getting security fixes, which the business still depends on daily. We read it, tell you what condition it is really in, and give you options that include keeping it. Replacing working software is expensive and risky, and it is not automatically the right answer.
Emyrix LLC is registered in Massachusetts and works remotely with clients across the country, across Eastern, Central, and Pacific hours, with US contracts and invoicing in dollars.
Services
What's included
Replacing a spreadsheet that outgrew itself
The workbook two people maintain, that nobody else dares open, that the business now depends on. We map what it does — including the rules that only exist in somebody's head — before replacing any of it.
Integration layers between systems
ERP, CRM, PIM, WMS, accounting, payments, shipping, and the marketplace that has its own opinions about everything. Built with retries, logging, and alerts, so a feed that stops working says so instead of failing quietly for two weeks.
Customer portals and account areas
Somewhere your customers can check an order, download an invoice, submit a request, or see where something is — which is usually cheaper than answering the same question by email a hundred times a week.
Automation and scheduled work
Queues, background jobs, imports, exports, and the nightly processes a business quietly runs on. Including what happens when one fails at 3am, which is the part that gets skipped.
APIs for your own systems
REST and GraphQL APIs so your applications, your partners, or your own front end can talk to your data without somebody exporting a CSV first. Versioned, documented, and authenticated properly.
Taking over software somebody else built
An audit of what exists, the urgent problems dealt with first, and a plan you can put a budget against. A rebuild is not a condition of us getting involved.
Legacy PHP modernization
Applications stuck on an unsupported PHP version or an abandoned framework, upgraded incrementally while they stay in service. Dependency updates, framework upgrades, and refactoring done in steps you can stop between.
Why Emyrix
What you get working with us
We scope down before we scope up
The first version of a request is almost always bigger than the problem behind it. We would rather build the smaller thing that solves it, ship it, and see what the next real requirement turns out to be than deliver a year-long project against assumptions made on day one.
Built to be handed over
The code, the deployment process, and the decisions behind them are documented, so the software does not depend on one person remembering how it works. If you hire an in-house developer next year, they should be able to read it and carry on.
A US company on US hours
Emyrix LLC is a Massachusetts company. Contracts, invoicing, and working hours are all domestic, with overlap across US time zones.
FAQ
Frequently asked questions
What counts as custom software?
Anything built for how your business actually works rather than bought off the shelf: internal tools, customer portals, integrations between systems, automation, and the applications a team uses daily. If you are after a marketing site or a customer-facing web application, our web development page covers that work instead.
How is this different from your web development page?
Mostly by what the thing is for. Web development covers sites and applications people browse — marketing sites, portals, front ends. Software development covers the systems a business runs on internally: tools, integrations, and automation. The stack is the same either way, and plenty of projects are both.
Should we build custom software or buy something?
Buy, where a product genuinely fits. Off-the-shelf software is cheaper than anything we can build and somebody else maintains it. Custom is worth it when the process is a real competitive difference, when the integration between two systems is the actual problem, or when configuring a product to fit costs more than building the part you need. We will say when we think buying is the better call.
Can you work on an application somebody else built?
Yes, and a large share of our work starts that way. We read the codebase, tell you honestly what condition it is in, and deal with what is urgent before anything else. Sometimes the answer is a rebuild. More often it is not.
What do you build with?
PHP 8 and Laravel on the server, React where an interface calls for it, MySQL for data, Redis where caching earns its place, and Docker in development and CI. If your system is already built on something else, we will tell you plainly whether we are the right people to work on it.
How does a project start?
With a conversation about the process, who uses it, and where it breaks down — then a written scope covering what is included, what is not, and what we would build first. We scope the work before asking you to commit to it, and if we think the work does not need us, we will say so.
What happens after it launches?
Most custom software keeps changing, because the business does. Some clients keep us on a retainer for security updates, dependency upgrades, monitoring, and a queue of improvements. Others take it in-house, which is what the documentation is for.
Do you work with clients across the United States?
Yes. Emyrix is based in Massachusetts and works remotely with businesses across the United States. We work on US time, use US contracts, and invoice in US dollars.
Related
Keep exploring
Work with Emyrix
Tell us what the software has to do
Describe the process, who uses it, and where it currently breaks down. We'll come back with what we'd build first and what we'd leave alone.