We build software businesses can depend on.
Eryon designs and engineers custom digital products, enterprise applications and business systems built around real operational needs — from first architecture to long-term scale.
We learn the operation before we write the software.
01 — Understand
How work actually moves
We sit with the people who do the work, map the process as it runs today and find where time, money and data are lost.
02 — Design
A system that fits
Roles, workflows and a data model that reflect your business — designed and tested with your team before a line of production code.
03 — Engineer
Built to last
Clean architecture, automated tests on critical paths, security in the data model and infrastructure you own.
Engineering across the whole lifecycle.
One team for architecture, product, infrastructure and support — so nothing is lost between hand-offs.
Product Engineering
From first release to a product that serves many customers reliably.
Application Development
Web and mobile applications built for daily operational use.
Cloud Infrastructure
Environments, pipelines and monitoring that make releases routine.
Data Platforms
Pipelines and reporting you can trust.
System Integration
APIs and events connecting the tools you already run.
Automation
Rule-based work taken off your team's desk.
Security
Access control and hardening designed in, not bolted on.
UI/UX
Interfaces designed around real tasks, with the engineers who build them.
Six stages, each with something you can review.
01
Discover
Workshops with the people who run the process today. We map how work actually moves, where it stalls and what the system must never get wrong.
02
Define
A written scope: users and roles, core workflows, integrations, non-functional requirements and a release plan you can hold us to.
03
Architect
Data model, service boundaries, hosting, security model and the trade-offs behind each choice — reviewed with your team before code starts.
04
Build
Short sprints with a working demo every week. Code review on every change, automated tests on the paths that carry money or data.
05
Validate
Functional QA, role-by-role acceptance, performance checks and a security pass before anything reaches production users.
06
Scale
Staged rollout, monitoring and a support window. Then the backlog of improvements that only real usage reveals.
Built for the realities of your sector.
- Real EstateListings, client preferences and follow-ups are usually spread across spreadsheets, portals and agents' personal phones.
- HealthcareStaff scheduling, credentials, appointments and records often live in separate systems that don't share data.
- EducationStudent data is entered into several disconnected systems, and parents hear about attendance, fees and results late.
- Retail & E-commerceTemplates limit brand presentation, and stock, orders and promotions end up managed across disconnected tools.
- ManufacturingInventory, orders and sales activity are tracked in spreadsheets updated at different times by different teams.
- LogisticsOrder, dispatch and tracking systems are often a single application where one overloaded part slows everything.
- FinanceApplications, documents and approvals move through email and spreadsheets, with limited traceability.
- HospitalityBookings, guest information and outlet operations sit in separate tools and third-party platforms.
- Fitness & WellnessBilling, attendance and member records are managed in separate tools and reconciled by hand.
- Professional ServicesClient work, hiring pipelines and documents are managed through inboxes and shared drives.
- B2B / EnterpriseCore processes are split across legacy systems, packaged tools and spreadsheets that don't share data.
Proven tools, chosen for the problem.
Part of our team's working stack — see the technology page for where each has been used in delivered work.
- React
- Next.js
- TypeScript
- Java
- Spring Boot
- Node.js
- Python
- PostgreSQL
- MongoDB
- Redis
- AWS
- Docker
Reasons clients trust us with core systems.
01
Engineering depth
Event-driven services, row-level security, multi-tenant data models — we make architecture decisions deliberately and write them down.
02
Business understanding
We start with how work moves through your organisation, not with a feature list. The software follows the operation.
03
Transparent delivery
Working software demonstrated every week, a written scope, and estimates with their assumptions attached.
04
Long-term partnership
You own the code and infrastructure. We stay for support and the improvements real usage reveals — or hand over cleanly.
Notes from the engineering floor.
Questions businesses ask us first.
What does Eryon build?
Custom software for businesses: web applications and portals, mobile apps, SaaS products, CRM and ERP systems, e-commerce platforms, business automation, data dashboards and the cloud infrastructure they run on.
How much does custom software development cost?
It depends on the number of users and roles, workflows, integrations and design depth. We start with a short discovery and then give a written estimate for a clearly scoped first release, so the budget is agreed before development begins.
How long does it take to build a web or mobile application?
A focused first release usually takes a few months. We plan releases so your team uses part of the system early, and you see working software every week.
Which countries do you work with?
We are based in New Delhi and work with clients in India, the USA, the UK, the UAE, Australia and Canada, delivering remotely with agreed working-hour overlap.
Which technologies do you use?
Mainly React, Next.js and TypeScript on the front end; Java Spring Boot, Node.js and Python on the back end; PostgreSQL, MongoDB and Redis for data; React Native and Flutter for mobile; and AWS, Azure or Google Cloud with Docker and Kubernetes.
Do you provide support after launch?
Yes. Every release includes a support period, and most clients continue with an agreement for monitoring, fixes and planned improvements.
Have a product
worth building?
Let's turn the idea into a system your business can actually use.