Engineering service
Build web applications that make work happen.
From internal platforms to customer-facing applications, AITECHIS builds browser-based software that helps users complete tasks, work with information and interact with your business.
Beyond the website
A website informs. A web application gets something done.
Both run in a browser, and the line between them can blur: many websites include a form or a search, and many applications have public pages. The difference is what people come to do.
| Aspect | Informational website | Functional web application |
|---|---|---|
| Main objective | Help people understand an organization, product or topic. | Help people complete tasks and work with information. |
| Typical interactions | Reading, navigating, contacting. | Creating, submitting, reviewing, updating and approving. |
| Accounts and permissions | Usually none, or a simple login for editors. | Often essential: different roles see and do different things. |
| Data handling | Mostly published content. | Records created and changed by users, with rules about who may change what. |
| Application behaviour | Largely the same for every visitor. | Depends on the user, their role and the state of the work. |
| Integration needs | Occasional: analytics, forms, a newsletter. | Frequent: identity, existing systems, notifications, payments where relevant. |
| Ongoing operation | Content updates. | Monitoring, support, security updates and new functionality over time. |
A good website remains valuable on its own. Not every website should become an application; the choice follows what users need to do.
The application in action
From interface to functional software.
A web application is not a set of screens. Every action passes through validation, access rules, application logic and data before the interface can honestly say what happened.
Demonstration: An illustrative internal service-request application. It runs only inside this page: nothing is sent, saved or processed anywhere, and it is not a client project or a live system.
What happens, step by step
- User intentA team member needs new equipment. The form makes clear what can be requested and what is required.
- User actionThey submit the request. The action is explicit, and the interface shows that it is being handled.
- Validation and accessMissing information is returned to the form with a way to fix it. An action the role does not allow is refused by the server, whatever the interface shows.
- Application processingThe request is recorded, given a reference and routed to the right review queue. Nothing unrelated happens.
- Feedback and stateThe requester sees an accurate status: submitted and pending review, not approved and not done.
- Continuing workA team lead reviews it and approves or returns it; operations completes it. The same record carries the work over time.
Step 1 of 3Start by submitting a request.
No request yet
- Draft
- Submitted
- Pending review
- Approved
- Completed
Next: Team member submits a request
Behind the interfaceNo action yet
- InterfaceWaiting for an action
- ValidationWaiting for an action
- Access rulesWaiting for an action
- Application logicWaiting for an action
- DataWaiting for an action
- NotificationsWaiting for an action
Illustrative trace: nothing is sent, saved or delivered.
Review queue
REQ-0142Pending review
Replacement laptop for field inspections
- Draft
- Submitted
- Pending review
- Approved
- Completed
Available to the team lead: approve, or return for changes.
Behind the interface
- InterfaceRequest submitted by a team member
- ValidationPassed, and checked again on the server
- Access rulesTeam members may create requests
- Application logicRouted to the team lead’s review queue
- DataREQ-0142 recorded with status Pending review
- NotificationsTeam lead notified; requester sees Pending review
What we can build
Browser-based software for the work people actually do.
Typical kinds of web application. They describe what we can develop, not completed projects or launched products.
Internal web applications
Tools your teams use daily to manage a defined part of the work.
Record · update · track
Customer portals
A secure place for customers to see their information and take action.
Sign in · view · request
Operational platforms
Applications that coordinate several teams around a shared process.
Assign · hand off · close
Request and approval systems
Structured requests with defined owners, rules and status.
Submit · review · approve
Data-driven applications
Software for collecting, checking and working with operational data.
Capture · validate · find
Specialized business interfaces
Focused interfaces for tasks general tools handle poorly.
Configure · calculate · confirm
Booking and scheduling
Availability, reservations and changes, with the rules behind them.
Find · book · reschedule
Connected web applications
Browser front ends for existing systems and the data they hold.
Read · combine · act
Designed around the user
Where am I, what can I do, and what just happened?
Usable application design is not decoration. It is how people understand the work in front of them and act on it with confidence.
- User rolesThe interface reflects who someone is and what they are allowed to do.
- Task clarityThe main action is obvious; secondary actions are available but quieter.
- Information hierarchyWhat matters for the decision comes first; the rest is one step away.
- FeedbackEvery action gets an honest response: received, pending, done or failed.
- Error recoveryProblems are explained where they happen, with a way to fix them.
- AccessibilityLabels, contrast, focus and keyboard access work for everyone who uses it.
- UsabilityCommon tasks take few steps and follow familiar patterns.
- Workflow continuityThe history of the work stays with it, so people can pick up where others left off.
Responsive by design
Not a smaller page. The right application for each screen.
Shrinking a desktop layout makes everything smaller. Designing across device sizes decides what matters on each one. Full parity is not always the goal: some tasks belong on a large screen, and a project defines which.
Conceptual compositions of the same illustrative application.
Layout priorities
Decide what each screen size shows first.
Navigation
Keep people oriented as the layout changes.
Input controls
Use inputs that suit touch, keyboard and pointer.
Tables and dense information
Turn wide tables into forms that remain readable.
Touch interactions
Targets large enough to hit, gestures that are optional.
Context preservation
Opening a detail should not lose the list or the filter.
Performance
Small screens often mean slower networks and devices.
Accessibility
Zoom, screen readers and orientation changes keep working.
Beyond the frontend
What users see is carried by what they do not.
A working web application depends on several layers behind the interface. Which of them a project needs, and how they are built, depends on its requirements.
Frontend
The interface people use in the browser: screens, forms, navigation and feedback.
Logic and services
Application logic
The rules that decide what happens after each action.
Backend services
Where requests are processed and work is carried out.
Validation
Checked in the browser for speed, and on the server for trust.
Error handling
Clear, recoverable behaviour when something fails.
Data and access
Data
How records are stored, related and kept consistent.
Authentication and authorization
Who someone is, and what they are allowed to do.
Integrations
Defined connections to the systems around the application.
Operation
Deployment
How new versions reach users safely and repeatably.
Monitoring
Seeing errors, performance and usage once it is live.
We do not assume microservices, real-time messaging or any particular framework. Many applications are best served by a simple, well-structured design.
How we engineer web applications
From users and tasks to software in use.
An adaptable path. The depth of each stage depends on the application, and some projects start from an existing system rather than a blank page.
- 01
Understand users and tasks
Who uses it, what they need to get done and where it happens.
- 02
Define functional requirements
Actions, roles, rules, data and the states work passes through.
- 03
Design the experience
Flows, hierarchy, feedback and responsive behaviour.
- 04
Plan the architecture
Frontend, services, data, access and integrations.
- 05
Build the interface and services
Develop the application in usable increments.
- 06
Integrate systems as needed
Connect identity and existing systems through defined interfaces.
- 07
Test and validate
Functionality, permissions, accessibility, devices and performance.
- 08
Deploy and evolve
Release, monitor and improve it as needs change.
Build a web application that works for your users.
Tell us about a browser-based product idea, an internal operational application, a customer portal, a workflow platform or an existing application that needs improvement.