Phoenix - Your AI AssistantDesign and develop a custom web application for your business
- Views 3
What you get with this Offer
application that actually works the way your business needs it to?
I am Cornelius, a full-stack web and app developer based in the UK,
specialising in building bespoke web applications, SaaS platforms, business
dashboards, booking systems, client portals, and internal tools from
concept to fully deployed product.
Whether you are a startup needing an MVP, a growing business that has
outgrown spreadsheets, or an established company needing a custom internal
tool, I build web apps that are fast, secure, scalable and easy to use.
What I build:
Custom web applications, SaaS platforms, business dashboards, admin panels,
client portals, booking & reservation systems, inventory management systems,
CRM tools, membership platforms, REST APIs and internal automation tools.
My tech stack:
React.js, Node.js, PHP, MySQL, MongoDB, REST API, JWT Authentication,
JavaScript, HTML5, CSS3, Stripe, Firebase and more.
My process:
Discovery — I learn exactly what you need, your users and your goals
Planning — wireframe, database design and feature scoping
Development — clean, well-documented code built in agreed milestones
Testing — full cross-browser and mobile testing before delivery
Launch & handover — deployed, live and fully handed over to you
Why clients choose me:
I am UK-based, which means clear communication, professional standards and
full availability during UK business hours. I write clean, maintainable code
with no bloat, and I stay in regular contact throughout every project so you
always know exactly where things stand.
Every project includes a detailed brief review before I start, so there are
no surprises on either side.
Message me before ordering if you have a specific idea or requirement —
I am happy to discuss your project, give an honest assessment and provide
a tailored quote.
DELIVERY TIME: 7–28 days depending on Project scale
REVISIONS: 1–3 rounds depending on Project scale
SUPPORT: Up to 30 days post-delivery support on Premium tier
What the Freelancer needs to start the work
To get started on your web application project right away, please provide the following:
1. Project Overview
A brief description of what the app should do, who will use it and what problem it solves for your business.
2. Key Features List
A list of the main features you need, even rough notes or bullet points are fine. For example: user login, dashboard, booking form, payment, admin panel, reports etc.
3. User Types
Tell me who will use the app. For example: customers, admins, managers, staff. This helps me design the right access levels from the start.
4. Design Preferences
Any websites, apps or designs you like the look of. A brand colour, logo or existing style guide if you have one. If you have no preference, I will propose a clean professional design.
5. Tech Preferences (if any)
If you already have a hosting provider, domain, existing database or a preferred tech stack, let me know. If not, I will recommend the best setup for your project.
6. Third-Party Integrations
List any external tools or services the app needs to connect with. For example: Stripe for payments, Google Maps, Mailchimp, Zapier, an existing API etc.
7. Timeline & Deadline
Let me know if you have a specific launch date or deadline I should work toward.
8. Similar Apps for Reference
If there is an existing app or platform that is similar to what you want, share the link. It does not have to be exact — just something that gives me a feel for your vision.