Healthcare Software Development
Healthcare Software Development Built For Clinical Reality
Healthcare software is judged on the day something goes wrong. Who saw this record, under what consent, and can you show it? We design the access model, the consent trail and the interoperability before anyone draws a screen, because those are the parts nobody retrofits cheaply.
Triple Protection Guarantee
- US-Registered Entity
- Signed IP Assignment
- Senior Engineers Only
Triple Protection Guarantee:
- US-Registered Entity
- Signed IP Assignment
- Senior Engineers Only

Where Health Bites
Consent Model
With Scope
Senior Engineers
Vetted Only
Timezone Overlap
Live Hours
PHI Handling
Scoped Tight
Delaware LLC
US Entity
Data Security
Access Rules
Quality Control
Code Review
Data Interoperability
HL7 & FHIR
View Logging
Per Record
IP Assignment
Signed
Delivery Overlap
Fixed
Hours
Code & IP Owner
You
Trusted By Startups





What Healthcare Software Development Means
Healthcare software development is building systems that hold protected health information and have to prove how they treated it. That shapes the architecture. Access is granted by role and relationship rather than by seniority, consent is a record with a scope and an expiry rather than a checkbox, every view of a patient record is logged and not just every edit, and clinical data arrives from other systems in formats older than most frameworks.
Stallyons is registered in Delaware as a US company, and our engineers work a time-zone window agreed before the project starts, with four-plus hours of daily overlap. You sign a US contract, run diligence on a US entity and pay one US invoice. Behind the work sits twelve-plus years of delivery across six continents and around thirty-five engineers, averaging four-plus years of production experience. Founders, clinical leads and product owners bring us systems that people rely on while they are unwell.
What Health Delivery Covers
Access by role and relationship: a clinician can reach the patients in their care rather than every record in the database, with break-glass available, alarmed and reviewed rather than quietly used every day.
Consent as a first-class record: what was agreed, by whom, for which purpose, until when, and how it is withdrawn, stored so a later question about sharing has a factual answer rather than a recollection.
Audit logging of reads, not just writes: the question a review asks is who looked at this record, which means view events are logged with the reason and kept for the retention period you work to.
Interoperability treated as core work: HL7 v2 feeds, FHIR resources and document exchange scoped early, because message shapes and terminology decide the data model, not the reverse.
Protected data kept out of the places it leaks: logs, analytics events, error trackers, screenshots and test fixtures, each reviewed for identifiers before anything reaches production.
One accountable vendor: one contract, one invoice and one entity for legal and finance to run diligence on, instead of a spread of contractors across four jurisdictions.
Why Health Teams Choose A Clinical-Aware Build Partner
- Ask how access is decided. If the answer is a list of roles with no notion of the clinician's relationship to the patient, everyone will end up with more reach than they need.
- Ask to see the consent model. Purpose, scope, expiry and withdrawal should be fields on a record, not a boolean set the day someone signed up and never revisited.
- Ask whether reads are logged. Most systems log edits. Reviews ask who looked, and that answer has to exist before anybody comes asking for it.
- Ask when interoperability gets scoped. HL7 and FHIR shape the data model, so teams that leave integration to phase two rebuild the schema when it finally arrives.
- Check the exit before you need it. Repositories, cloud accounts and clinical data sit in your own name from day one, so leaving is administration, not a negotiation.
- Insist on a written handover: decisions, open threads and known issues documented as work happens, so whoever picks it up next reads instead of guesses.
How A Healthcare Project Starts Here
Every project starts with a free 45-minute scoping session. No slide deck, no sales script. You bring the care pathway, the systems it touches and the rules you answer to; you leave with a scope and a timeline.
We are selective about new projects and cap how many we run at once, because the scoping is the product. If your product is a regulated device needing a process we cannot support, we will say so first.
Why Clients Choose Us

Full
Written IP Transfer

USA
Contract Entity

Yours
Records & Accounts

Named
Delivery Lead
Ready to build health software that stands review?
What We Build In Health
Healthcare Software Development We Deliver
Care settings differ, and the underlying problems repeat: identity, consent, access and getting data out of a system that was never designed to share it. These are the builds we deliver most often.
Patient Portals & Apps
Records, results and appointments
End-to-End
Clinician Tools
Worklists, notes, care plans
Browser-Based
Telehealth Visits
Video sessions, waiting rooms, consent
Recorded
EHR & HIS Integrations
HL7 v2, FHIR, document feeds
Live In Production
Scheduling
Slots, referrals, reminders
Booked Live
Consent & Sharing
Sharing rules, logs, revocation
Recorded
Claims & Eligibility
Coding, submission, remittance
Billed
QA & Test Automation
Manual, automated, regression, sign-off
Sign-Off
Legacy Modernization
Rewrites, migrations, replatforms
Future-Proof
Support & Maintenance
Monitoring, fixes, releases, cover
Kept Running
Not sure where your care pathway breaks? Let's map it.
Common Challenges
Why Do Healthcare Builds Go Wrong?
Six failure patterns behind almost every health platform that fails its first review. All six start as shortcuts.

PHI In The Logs
01
A debug line written during a bad week prints the whole patient object, and it now sits in log storage, an error tracker and an analytics pipeline, each with a different retention rule and a wider audience.

Consent As A Checkbox
02
Consent is stored as a single true value with no purpose, scope or expiry. When someone withdraws it, there is no way to tell which sharing it ever covered.

Everyone Sees All
03
Roles are modelled without any notion of who is caring for whom, so every clinician can open every record and the access log becomes noise instead of evidence.

Only Edits Logged
04
The system records every change and no reads. The first time anyone asks who viewed a record, the honest answer is that the information was never captured to begin with.

Duplicate Patient Records
05
With no identity matching, one person becomes three records across intake, referral and portal signup. Clinicians then work from whichever copy their screen happened to open.

Integration Left To Last
06
HL7 and FHIR are scheduled for phase two, then arrive carrying fields and codes the schema cannot hold, and the data model is rewritten with live data in it.
Recognise a few of these? Let's do it properly.
Our Health Services
6 Healthcare Software Development Services
Six ways to buy healthcare delivery from one accountable vendor. Run one, or run several in parallel under a single contract.

Patient Platform Development
01
Portals and apps where patients see records, results and appointments, built on an access model that already knows which records this person is entitled to open.

EHR Integration Work
02
HL7 v2 feeds, FHIR resources and document exchange with the systems already in place, delivered through our API development practice and mapped before the schema is fixed.

Telehealth & Scheduling
03
Video visits, waiting rooms, slot management, referrals and reminders, with the consent for each session captured and stored against the encounter.

Consent & Access Design
04
The permission model: role and care relationship, purpose-scoped consent, break-glass that raises an alert, and read logging kept for your retention period.

Clinical Data & Reporting
05
Warehousing, de-identified extracts and the reports your service and quality teams ask for, built so an analyst can answer a question without a copy of the live records.

Cloud, Support & Monitoring
06
Hosting, pipelines and alerting on our cloud app development stack, with residency and retention set to the rules you work under, and alerting your own team can read.
Not sure which health service you need? Let's scope it together.
Why Choose Us
What Makes Our Healthcare Software Development Different
The details that decide whether a health build survives its first review and its first winter.

A US Legal Entity
01
Stallyons is registered in Delaware. Your contract, your invoice and your legal recourse sit with a US company, not an unknown one.

Access By Relationship
02
Permission follows the care relationship, not the job title, so a clinician reaches the patients they treat and break-glass stays exceptional.

Overlap You Set
03
You choose the hours we share with your working day, and stand-ups, reviews and escalations all happen inside that window.

Aligned To Standards
04
We build HIPAA, SOC 2, GDPR and PCI-DSS-aligned, applying the controls those frameworks expect to access rules, retention, encryption and the audit trail.

Reviewed Code
05
Every merge is reviewed against an agreed definition of done, on your board, where you can read it yourself.

One Contract
06
One contract covers the engagement, so procurement, legal and finance each deal with a single named counterparty.
Ready to see what a health build looks like here?
Our Process
From First Call To Healthcare Delivery In Six Steps
A delivery process built to settle access, consent and interoperability before any code.
Discovery
Understand the pathway, systems and data rules
Scoping
Agree the access model, scope and cost
Design
Consent, roles and interfaces signed off
Contracting
NDA, IP assignment, access and onboarding
Deliver
Work on your board, reviewed on merge
Rollout & Scale
Launch by service, then widen the scope
Want to see how this maps to your roadmap?
Technology Stack
The Stack Behind Our Healthcare Software Builds
Durable technology chosen because clinical systems outlive frameworks: backend, data, interfaces.

Web & Backend

React Front Ends

Node.js APIs

Python / Django

.NET Core 8

TypeScript

Health Interoperability

HL7 v2 Feeds

FHIR Resources

CDA Documents

EHR APIs

Terminology Codes

Privacy & Access

Consent Records

Role-Based ACL

Break-Glass Access

View Logging

Data De-Identification

Data & Records

PostgreSQL Core

MongoDB Docs

Audit Store

Warehousing & BI

Retention Policy

Cloud & DevOps

AWS / GCP / Azure

Docker / K8s

Terraform / IaC

GitHub Actions / CI

Datadog Monitoring
Care Settings Served
Healthcare Software Development Across Care Settings
Eight settings with different workflows and one shared requirement: the record has to be right and provable.

Hospitals & Systems
Portals, worklists and records

Clinics & Primary Care
Scheduling, notes and referrals

Telehealth Providers
Video visits, triage, consent

Digital Therapy
Programmes, adherence, outcomes

Pharmacy & Medication
Dispensing, refills, adherence

Labs, Imaging & Results
Orders, results, reporting

Payers & Insurance
Eligibility, claims, remits

Life Sciences & Research
Studies, consent, data capture
Working in another sector? See all industries we serve.
How We Compare
Healthcare Software Build vs EHR Module
An honest look at your four delivery options.
| Capability | Generalist Dev Shop | EHR Vendor Module | Freelance Team | Stallyons Technologies |
|---|---|---|---|---|
| Protected data kept out of logs | Reviewed late | Handled internally | ✕ Full objects logged | Reviewed before release |
| Consent model | ✕ Boolean flag | Vendor's model | ✕ Not modelled | Purpose, scope, expiry |
| Access control | Roles only | Fixed to product | ✕ Everyone sees all | Role plus care relationship |
| Audit log of record views | ✕ Edits only | Inside their system | ✕ Not captured | Reads logged and retained |
| HL7 v2 & FHIR interfaces | Phase two | Their endpoints only | ✕ Out of scope | Scoped before the schema |
| Patient identity matching | Email as the key | Master index | ✕ Duplicates | Matching with review queue |
| Contracting entity & ownership | Varies | Licence terms | ✕ Marketplace terms | US-registered LLC, your accounts |
See the difference for yourself
Complete Engagement
Everything Included In A Healthcare Software Build
From Scoping to Contracting to Delivery, One Vendor
Here's everything included when you build your health product here:

One Healthcare Build Price: No Hidden Fees, No Surprises.
Every healthcare engagement includes all eight components above. One contract, one senior team, one predictable cost, and no vendor sprawl.
🔒 No obligation. We'll deliver a detailed proposal within 48 hours.
Plus, Get These Free Bonuses
Free Access Review
A written read on how your product decides who may open a record, how consent is stored, and whether a review could reconstruct who viewed what. Yours to keep.
Included Free
Delivery Plan & Estimate
A phased delivery plan with scope, milestones, a stack recommendation and a transparent, itemized estimate for the engagement.
Included Free
Free Vendor Checklist
The questions we would ask any health team about consent, access, read logging and interoperability, so you can test us on them too.
Included Free
Risk-Free Partnership
Our Healthcare Delivery Promise
We stand behind every engagement with commitments that protect your investment.
01
Scope Agreed First
Scope, model, working hours and cost structure are written down and agreed before contracting, so nothing is discovered later.
02
Built to Last
Senior developers, code review, automated tests, security and accessibility audits, and clean, documented code you fully own.
03
IP And Access Protected
NDA and IP assignment are signed before access, permissions are scoped per person, and your accounts stay under your control.
Start your healthcare build with confidence, backed by our Triple Protection Guarantee.
Track Record
Engagements That Ship, Scale, and Compound
500+
Projects Delivered
29+
Service Categories
81%
Repeat Client Rate
4.9 ★
Clutch Rating
"We came to Stallyons after burning two years and four vendors on a multi-platform launch that kept slipping. They scoped it end-to-end — web app, iOS, Android, an AI summarization layer, and a Shopify integration — and shipped it in 22 weeks. One team, one budget, one quality bar. We've handed them three more engagements since."
Mark Sawyer
CEO/Founder
PlatinumLED
"Stallyons rebuilt our customer-facing portal, integrated three legacy systems, shipped an AI document analysis pipeline, and brought our compliance posture to SOC 2 — all under one engagement. The senior engineers on the team have shipped at companies five times our size. It's the best vendor decision we've made in a decade."
Mark Sawyer
CEO/Founder
PlatinumLED
FAQ
Frequently Asked Healthcare Software Questions
Still have questions? Let's talk.
Schedule an appointment with us today!
Ready To Build Health Software That Holds Up?
Get a free consultation. We'll walk your care pathway, model the access behind it, and send a written proposal.







