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My name's Sam Kelleher, and I am a Senior Full-Stack Web Developer / Software Architect based in London. This website mostly contains a sample of work from my portfolio, tips, and best practices for building web applications.

JavaScript Tag - Page 2

Backbone + WebSocket Single Page Application for Car Dealerships

Backbone + WebSocket Single Page Application for Car Dealerships

A online and packagable application built using Backbone.js + Marionette.js, running on a WebSocket enabled C#/SQL backend. Being a Single Page Application (SPA), the application runs very natively, with fast performance between screen loads, and can handle transient network errors as users dip in and out of WiFi coverage. Read more...

Responsive, Realtime, Customisable, Interactive Dashboard

Responsive, Realtime, Customisable, Interactive Dashboard

This is a dashboard for a health and safety monitoring product I built. It has numerous unique features, and complex backends since the dashboard must effortlessly crunch potentially large datasets and summarize them in simple tabular graphs or numbers. Read more...

Multilingual Job Board with geospatial search capabilities.

Multilingual Job Board with geospatial search capabilities.

This job board aimed at supply chain roles in Europe is able to automatically display the language relevant to the current user, as well as offer sophisticated geospatial search tools. Jobs and Candidates are then auto-matched for each job based on currency/salary (the jobs can show their currency in any known currency available), skills, and location. Location is based on specified travel distance from the desired location, which could be specific towns or continents, to sorting the relevant jobs is priority. Read more...

Quick and easy credit card payment page

Quick and easy credit card payment page

This simple, static, and responsive payment page allows customers to simply enter the value they need to pay and enter their payment information and complete payment with a single click. Read more...

Backbone + Marionette GitHub Repository List - Sample Application

Backbone + Marionette GitHub Repository List - Sample Application

Sometimes the best way to learn something is to study each component separately, this gives us a true in depth skill on how something specific works. However, putting these components together to make a full featured application is another ball game entirely. I've always maintained that Software Engineering isn't difficult, but it can be complicated - as a typical application will consume numerous different technologies from development stages, to deployment, to runtime. It's putting all these modules together that is the hard part. Read more...

Calendar Based Booking System

Calendar Based Booking System

This online booking and availability system has the functionality to show to both customers and staff members the same UI but with different enabled functionality. Staff can use the same system to view availability with granular detail, and book on behalf of customers (such as over the phone), while customers can use the system to book themselves. By using this adaptive UI technique saves time and costs as no separate 'staff only' system is required to make bookings. Read more...

Interesting Login Screen

Interesting Login Screen

This login screen makes things a little bit more interesting for the end users by displaying an inspirational photo on the login screen. The images would be sourced to show ones relevant to the user (such as from their own user-uploaded gallery) from where their previous login was identified but a password re-prompt is necessary for certain operations. Read more...

Estate Agent Management Platform

Estate Agent Management Platform

A web-based and responsive application for estate agents to handle the day-to-day rental agreements of properties leased out to tenants on behalf of their owners. The application allows the tenants themselves to login and access the platform, as well as the landlords.  Read more...