Book a Call (opens in a new tab)

Our ServicesDevelopment

Custom Web Application Development for Real Workflows

When a business outgrows spreadsheets and shared drives, it needs software shaped around its actual process. We build web applications — client portals, operational dashboards, admin panels, internal tools — using Bubble.io where speed of iteration wins and coded stacks where it does not. We have shipped reporting platforms, AI research tools and the admin systems behind live mobile apps.

Book a Call (opens in a new tab)View Our Work

What You Get

Included as standard on every engagement — not an upsell list.

A data model designed before any screen

We map the entities your business works with, how they relate, and which states they move through. Getting this right first is why applications stay flexible; getting it wrong is why so many need rebuilding in eighteen months.

Role-based access and permissions

Admins, staff, clients and read-only viewers each see exactly what they should. Privacy rules are enforced at the data layer, not just hidden in the interface, so a curious user cannot reach records simply by editing a URL.

Workflow automation that removes manual steps

Scheduled jobs, status transitions, notification emails, approval chains and recurring tasks run without anyone remembering to trigger them, built in code or in n8n where a visual workflow is easier to change. Every hour of repeated admin work removed is the clearest return the application delivers.

Dashboards and reporting for the people deciding

Filterable lists, saved views, charts and CSV exports built around the questions your managers actually ask. We have built graph-based data displays and dynamic, configurable report generation including branded PDF output.

Integrations with the systems you already run

Payment providers, CRMs, email platforms, calendars, cloud storage and LLM APIs connected through documented endpoints, with authentication, rate-limit handling, retries and error logging, so an upstream failure is visible in a log rather than silently losing a record.

A staged rollout rather than a big-bang launch

We ship a working core to a small group, watch real usage, then extend. This surfaces the requirements interviews always miss and keeps you from paying to build features nobody ends up using.

How We Deliver It

Stage by stage, with the approval points marked. Custom Web Application Development follows the same rhythm on every project.

  1. Process mapping

    We sit with the people doing the work and document the current process end to end, including the workarounds and the spreadsheet nobody admits to. The application is designed to fit that reality, then improve it.

  2. Data model and platform decision

    We design the schema and relationships, then choose the platform honestly: Bubble.io for fast iteration and operational tools, a coded MERN or Next.js stack on MongoDB or Supabase Postgres where performance, scale, code ownership or specific libraries demand it.

  3. Prototype of the critical path

    We build the single most important workflow first and put it in front of real users within weeks. Feedback on something clickable is worth far more than sign-off on a specification document.

  4. Iterative build in reviewed cycles

    Remaining modules are built in short cycles with a working demo at the end of each. You reprioritise between cycles as you learn what matters, rather than waiting months to see the whole thing.

  5. Rollout, training and support

    Data migration, staff training, a pilot group, then full rollout with a support window while usage settles and the inevitable real-world edge cases are ironed out.

What You Receive

The concrete artefacts handed over at the end — files, access and documentation you keep.

  • Documented data model with entities, relationships and states
  • Working web application with role-based access control
  • Admin panel for managing users, records and configuration
  • Automated workflows, notifications and scheduled jobs
  • Reporting views with filters, saved views and CSV or PDF export
  • Third-party and API integrations with error logging
  • Data migration from existing spreadsheets or systems
  • User and administrator documentation plus training sessions
  • Post-launch support window covering fixes and refinements

Ideal for

If two or three of these sound like your situation, this is the right place to start.

  • Your operation runs on spreadsheets that several people edit at once
  • Staff re-key the same data into two or three different systems
  • Clients need a portal to submit, track or download their own records
  • Off-the-shelf software fits sixty percent of your process and fights the rest
  • You need reports your current tools cannot produce
  • A mobile app needs a web back office to administer it

Tools we use

Standard, portable tooling. The licences, accounts and source stay in your name, so nothing here is a reason you cannot leave.

  • Bubble.io
  • Next.js
  • React
  • TypeScript
  • Node.js
  • Express
  • MongoDB
  • PostgreSQL
  • Supabase
  • REST APIs
  • n8n
  • Stripe
  • Figma
  • Cloudflare
  • GA4

Work We Have Shipped

Live projects where this work did the heavy lifting:

The Boomerang

Bubble.io to Custom MERN & Next.js Platform

AI & SaaS ProductsNext.jsReactNode.jsExpress

A product that started on Bubble.io and outgrew it. We ran the Bubble.io build with the team for roughly six to eight months, then rebuilt the whole thing as a custom application on the MERN stack and Next.js with Supabase as the database — including a custom Data Team Panel that replaced their paid Airtable dependency, a set of complex n8n automations, and a round of work resolving long-standing issues in their Intercom setup.

View Case StudyVisit Site

LineaScore

Dynamic Reporting & PDF Platform

AI & SaaS ProductsHybridWordPress (landing)Bubble.io (app)Custom PDF generation

A WordPress marketing landing page paired with a full Bubble.io application on the app subdomain. The platform enables dynamic creation of configurable reports and includes a custom-built dynamic PDF generation feature that turns user inputs into clean, branded, downloadable documents in real time.

View Case StudyVisit Site

Tylo AI

On-Demand R&D Research Platform

AI & SaaS ProductsBubble.ioMultiple AI/LLM integrationsGraph data display

A Bubble.io platform delivering affordable, on-demand technology research for R&D and innovation teams. Backed by a team of scientists and data engineers, it integrates multiple AI and LLM tools and presents findings through an interactive graph-based display of research data.

View Case StudyVisit Site

Swayed

Hairstyle Marketplace App & Admin

Marketplaces & DirectoriesBubble.ioBubble.io admin panelNative mobile app

A two-sided marketplace mobile app connecting people looking to update their hairstyle with the right hair professionals. The customer-facing mobile app is paired with a Bubble.io web admin panel for managing users, providers, listings, bookings and overall platform operations.

View Case StudyVisit Site

Related Services

Work that usually runs alongside this one:

MERN Stack Development

Custom applications in MongoDB, Express, React and Node — the coded stack we move products onto when no-code stops paying its way.

Bubble.io & No-Code Development

Full-stack Bubble.io applications built by developers, so you get real architecture at no-code speed.

API Development & Integrations

Connect your website to the CRM, payment, booking and internal systems your business already runs on.

AI & LLM Integration

Put AI to work inside your website or product where it genuinely saves time, not as a novelty chat bubble.

More on the Subject

What we have written about this, in more depth than a service page allows:

AI & Automation3 March 2026

Practical AI Integrations for Business Websites

Most requests to “add AI” to a website are really requests to remove a bottleneck. Here is how we decide what to build, where the model call should live, and how to keep it accurate, fast and affordable.

Read More

Frequently Asked Questions

The questions we get asked most about Custom Web Application Development.

We weigh iteration speed against long-term constraints. Bubble.io wins when requirements are still moving, the user base is measured in hundreds rather than millions, and getting a working tool live in weeks matters more than owning the source. A coded stack wins when you need specific libraries, unusual performance characteristics, full code ownership or a technical due-diligence story for investors.
Usually four to eight weeks for a first working version of the core workflow on Bubble.io, and longer for coded builds. We deliberately sequence the most valuable path first so you get real usage and real feedback early. Full feature sets typically land over three to six months of iterative cycles, with each cycle producing something you can actually try.
You do. On coded builds you get the repository and the infrastructure accounts. On Bubble.io the application lives in a Bubble account registered to you, with us added as collaborators, and your data is exportable at any time. We do not hold your platform hostage, and transferring ownership to your team or another developer is a straightforward handover.
Yes, wherever those tools offer an API. We regularly connect payment providers, CRMs, email platforms, calendars, cloud storage and LLM APIs. We handle authentication, rate limits, retries and logging so integrations fail visibly and recoverably. Where a system has no API, we look at scheduled file exchange or a manual import path rather than pretending an integration exists.
Applications are living systems, so we include a support window covering fixes and small refinements after rollout. Beyond that, most clients keep a monthly retainer for improvements, monitoring and new modules as the business changes. Roughly half our engagements are with clients who have stayed with us for two years or more, which is mostly how ongoing product work goes.

Ready to start on Custom Web Application Development?

Send us the brief — or just the problem. You will get a written scope, a timeline and a fixed price, usually within one working day.

Book a Call (opens in a new tab)Contact us