Period
to 11 December 2018

The following table provides summary statistics for contract job vacancies advertised in Berkshire with a requirement for D3.js skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited D3.js over the 6 months to 11 December 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Data-Driven Documents (D3)
South East > Berkshire
6 months to
11 Dec 2018
Same period 2017 Same period 2016
Rank 164 168 168
Rank change year-on-year +4 0 -
Contract jobs citing D3.js 11 2 1
As % of all contract IT jobs advertised in Berkshire 0.25% 0.049% 0.024%
As % of the Libraries, Frameworks & Software Standards category 0.96% 0.21% 0.11%
Number of daily rates quoted 11 2 1
Berkshire median daily rate £485 £438 £400
Median daily rate % change year-on-year +10.86% +9.38% -
10th Percentile £313 £425 £375
90th Percentile £588 £470 £425
South East median daily rate £485 £450 £475
% change year-on-year +7.78% -5.26% +37.68%
Number of hourly rates quoted 0 0 0
Berkshire median hourly rate - - -
South East median hourly rate - - -

D3.js is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Berkshire with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Berkshire
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 1,151 939 924
As % of all contract IT jobs advertised in Berkshire 26.56% 22.83% 21.90%
Number of daily rates quoted 699 569 556
Berkshire median daily rate £425 £400 £400
Median daily rate % change year-on-year +6.25% - -
10th Percentile £313 £275 £275
90th Percentile £575 £550 £538
South East median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% +3.23%
Number of hourly rates quoted 8 18 27
Berkshire median hourly rate £38.25 £32.00 £32.00
Median hourly rate % change year-on-year +19.53% - -13.51%
10th Percentile £15.88 £9.58 £12.25
90th Percentile £47.88 £44.00 £50.00
South East median hourly rate £42.50 £45.00 £41.00
% change year-on-year -5.56% +9.76% +9.33%

D3.js
Job Vacancy Trend in Berkshire

Job postings citing D3.js as a percentage of all IT jobs advertised in Berkshire.

Job vacancy trend for D3.js in Berkshire

D3.js
Contractor Daily Rate Trend in Berkshire

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing D3.js in Berkshire.

Contractor daily rate trend for D3.js in Berkshire

D3.js
Contractor Daily Rate Histogram in Berkshire

The daily rate distribution of IT jobs citing D3.js in Berkshire over the 6 months to 11 December 2018.

Contractor daily rate histogram for D3.js in Berkshire

D3.js
Contract Job Locations in Berkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing D3.js within the Berkshire region over the 6 months to 11 December 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Slough -9 2 £494 +16.18% 2
Newbury - 2 £356 -
Reading - 1 £275 - 1
D3.js
South East

For the 6 months to 11 December 2018, IT contractor jobs citing D3.js also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Berkshire region with a requirement for D3.js.

1 9 (81.82%) React
2 8 (72.73%) AngularJS
3 7 (63.64%) JavaScript
4 6 (54.55%) HTML
4 6 (54.55%) SQL
4 6 (54.55%) CSS
4 6 (54.55%) Web Development
4 6 (54.55%) Visualisation
4 6 (54.55%) Docker
4 6 (54.55%) CSS3
5 5 (45.45%) Redis
5 5 (45.45%) Elasticsearch
5 5 (45.45%) Vue.js
5 5 (45.45%) Node.js
6 4 (36.36%) NoSQL
6 4 (36.36%) Amazon AWS
6 4 (36.36%) Balsamiq Mockups
6 4 (36.36%) jQuery
6 4 (36.36%) .NET
6 4 (36.36%) C#
6 4 (36.36%) Business Intelligence
6 4 (36.36%) MVC
6 4 (36.36%) High-Fidelity Prototypes
6 4 (36.36%) A/B Testing
6 4 (36.36%) TypeScript
6 4 (36.36%) ASP.NET Web API
6 4 (36.36%) LESS
6 4 (36.36%) User Experience
6 4 (36.36%) Kubernetes
6 4 (36.36%) Data Visualisation

D3.js
Co-occurring IT Skills in Berkshire by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 5 (45.45%) Elasticsearch
2 3 (27.27%) Apache Solr
2 3 (27.27%) Apache Spark
3 2 (18.18%) Liferay
4 1 (9.09%) SharePoint
4 1 (9.09%) SharePoint 2013
Applications
1 1 (9.09%) Adobe Illustrator
1 1 (9.09%) Photoshop
Cloud Services
1 4 (36.36%) Amazon AWS
Communications & Networking
1 3 (27.27%) HTTP
Database & Business Intelligence
1 5 (45.45%) Redis
2 4 (36.36%) NoSQL
3 3 (27.27%) Apache Cassandra
3 3 (27.27%) MongoDB
3 3 (27.27%) MySQL
3 3 (27.27%) Neo4j
3 3 (27.27%) Power BI
3 3 (27.27%) SQL Server
3 3 (27.27%) SQL Server 2012
4 1 (9.09%) Data Warehouse
Development Applications
1 4 (36.36%) Balsamiq Mockups
2 3 (27.27%) Axure RP
2 3 (27.27%) Git (software)
3 2 (18.18%) Cucumber
3 2 (18.18%) Jasmine
3 2 (18.18%) Jenkins
3 2 (18.18%) Karma Test Runner
3 2 (18.18%) Mocha
3 2 (18.18%) Selenium
3 2 (18.18%) Sinon.JS
3 2 (18.18%) webpack
4 1 (9.09%) Grunt
4 1 (9.09%) Subversion
General
1 1 (9.09%) Multimedia
1 1 (9.09%) Retail
Job Titles
1 7 (63.64%) Developer
2 4 (36.36%) Web Developer
3 3 (27.27%) Data Visualisation Expert
4 2 (18.18%) Full Stack Developer
4 2 (18.18%) React Developer
5 1 (9.09%) .NET Developer
5 1 (9.09%) Consultant
5 1 (9.09%) Data Consultant
5 1 (9.09%) Data Visualisation Consultant
5 1 (9.09%) Full Stack Web Developer
5 1 (9.09%) HTML CSS Developer
5 1 (9.09%) HTML Developer
5 1 (9.09%) JavaScript Developer
5 1 (9.09%) User Experience Consultant
Libraries, Frameworks & Software Standards
1 9 (81.82%) React
2 8 (72.73%) AngularJS
3 6 (54.55%) CSS
3 6 (54.55%) CSS3
3 6 (54.55%) HTML
4 5 (45.45%) Node.js
4 5 (45.45%) Vue.js
5 4 (36.36%) .NET
5 4 (36.36%) ASP.NET Web API
5 4 (36.36%) jQuery
5 4 (36.36%) LESS
5 4 (36.36%) SignalR
6 3 (27.27%) .NET Framework
6 3 (27.27%) Ajax
6 3 (27.27%) JSON
6 3 (27.27%) Lucene
6 3 (27.27%) Memcached
6 3 (27.27%) Protocol Buffers
6 3 (27.27%) RabbitMQ
6 3 (27.27%) Web Services
Miscellaneous
1 4 (36.36%) User Experience
2 3 (27.27%) Virtual Team
3 1 (9.09%) Client/Server
3 1 (9.09%) e-Learning
3 1 (9.09%) FMCG
3 1 (9.09%) NHS
3 1 (9.09%) SCORM
Operating Systems
1 3 (27.27%) Linux
1 3 (27.27%) Ubuntu
Processes & Methodologies
1 6 (54.55%) Visualisation
1 6 (54.55%) Web Development
2 4 (36.36%) A/B Testing
2 4 (36.36%) Business Intelligence
2 4 (36.36%) Data Visualisation
2 4 (36.36%) High-Fidelity Prototypes
2 4 (36.36%) MVC
3 3 (27.27%) Anomaly Detection
3 3 (27.27%) Asynchronous Programming
3 3 (27.27%) B2B
3 3 (27.27%) Machine Learning
3 3 (27.27%) Market Research
3 3 (27.27%) OO
3 3 (27.27%) Prototyping
3 3 (27.27%) Scrum
3 3 (27.27%) Service Delivery
4 2 (18.18%) BDD
4 2 (18.18%) DevOps
4 2 (18.18%) Microservices
4 2 (18.18%) Test Automation
Programming Languages
1 7 (63.64%) JavaScript
2 6 (54.55%) SQL
3 4 (36.36%) C#
3 4 (36.36%) TypeScript
4 2 (18.18%) Java
5 1 (9.09%) ActionScript
5 1 (9.09%) ActionScript 3.0
5 1 (9.09%) ES6
5 1 (9.09%) PHP
Quality Assurance & Compliance
1 1 (9.09%) PMO
System Software
1 6 (54.55%) Docker
Systems Management
1 4 (36.36%) Kubernetes
Vendors
1 3 (27.27%) Microsoft
1 3 (27.27%) Rackspace
1 3 (27.27%) Tableau
2 1 (9.09%) Adobe
2 1 (9.09%) Google