Period
to 20 June 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 20 June 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
20 Jun 2018
Same period 2017 Same period 2016
Rank 158 148 179
Rank change year-on-year -10 +31 +3
Contract jobs citing D3.js 8 2 3
As % of all contract IT jobs advertised in Berkshire 0.21% 0.055% 0.062%
As % of the Libraries, Frameworks & Software Standards category 0.83% 0.28% 0.31%
Number of daily rates quoted 6 1 3
Berkshire median daily rate £375 £450 £475
Median daily rate % change year-on-year -16.67% -5.26% +26.67%
10th Percentile £338 £425 £453
90th Percentile £459 £476 £498
South East median daily rate £420 £450 £450
% change year-on-year -6.67% - +20.00%
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 965 716 966
As % of all contract IT jobs advertised in Berkshire 25.11% 19.59% 19.95%
Number of daily rates quoted 562 420 589
Berkshire median daily rate £400 £400 £400
10th Percentile £300 £291 £275
90th Percentile £550 £544 £538
South East median daily rate £425 £405 £400
% change year-on-year +4.94% +1.25% +6.67%
Number of hourly rates quoted 19 14 28
Berkshire median hourly rate £8.00 £15.00 £12.50
Median hourly rate % change year-on-year -46.67% +20.00% -61.54%
South East median hourly rate £42.50 £42.50 £40.00
% change year-on-year - +6.25% +12.68%

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 20 June 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 20 June 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
Reading - 5 £375 -
Bracknell - 2 - -
Slough - 1 £513 -
D3.js
South East

For the 6 months to 20 June 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 8 (100.00%) JavaScript
1 8 (100.00%) AngularJS
2 6 (75.00%) HTML
2 6 (75.00%) CSS
2 6 (75.00%) React
3 5 (62.50%) Front End Development
3 5 (62.50%) Vue (Vue.js)
3 5 (62.50%) Greenfield Project
4 3 (37.50%) SQL
4 3 (37.50%) .NET
5 2 (25.00%) Oracle
5 2 (25.00%) PL/SQL
5 2 (25.00%) Apache
5 2 (25.00%) Python
5 2 (25.00%) SAS
5 2 (25.00%) Spotfire
5 2 (25.00%) Rapid Prototyping
5 2 (25.00%) Agile Software Development
5 2 (25.00%) Data Analysis
5 2 (25.00%) Web Development
5 2 (25.00%) MATLAB
5 2 (25.00%) Pipeline Pilot
5 2 (25.00%) Wireframes
5 2 (25.00%) KNIME
5 2 (25.00%) Visualisation
5 2 (25.00%) User Experience
5 2 (25.00%) Analytical Skills
5 2 (25.00%) Twitter Bootstrap
5 2 (25.00%) R
6 1 (12.50%) Node.js

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 2 (25.00%) Apache
1 2 (25.00%) SAS
2 1 (12.50%) Apache Solr
2 1 (12.50%) Apache Spark
2 1 (12.50%) Elasticsearch
Applications
1 2 (25.00%) Pipeline Pilot
Cloud Services
1 1 (12.50%) Amazon AWS
Communications & Networking
1 1 (12.50%) HTTP
Database & Business Intelligence
1 2 (25.00%) KNIME
1 2 (25.00%) Spotfire
2 1 (12.50%) Apache Cassandra
2 1 (12.50%) MongoDB
2 1 (12.50%) Neo4j
2 1 (12.50%) NoSQL
2 1 (12.50%) Redis
2 1 (12.50%) SQL Server
2 1 (12.50%) SQL Server 2012
Job Titles
1 7 (87.50%) Developer
2 5 (62.50%) Front End Developer (Client-Side Developer)
3 2 (25.00%) Spotfire Specialist
4 1 (12.50%) Spotfire Developer
4 1 (12.50%) UI Developer
4 1 (12.50%) UI Specialist
4 1 (12.50%) Web Developer
Libraries, Frameworks & Software Standards
1 8 (100.00%) AngularJS
2 6 (75.00%) CSS
2 6 (75.00%) HTML
2 6 (75.00%) React
3 5 (62.50%) Vue (Vue.js)
4 3 (37.50%) .NET
5 2 (25.00%) Twitter Bootstrap
6 1 (12.50%) .NET Framework
6 1 (12.50%) Ajax
6 1 (12.50%) ASP.NET Web API
6 1 (12.50%) CSS3
6 1 (12.50%) jQuery
6 1 (12.50%) JSON
6 1 (12.50%) Kafka
6 1 (12.50%) LESS
6 1 (12.50%) Lucene
6 1 (12.50%) Memcached
6 1 (12.50%) Natural Language Processing
6 1 (12.50%) Node.js
6 1 (12.50%) RabbitMQ
Miscellaneous
1 5 (62.50%) Greenfield Project
2 2 (25.00%) Analytical Skills
2 2 (25.00%) User Experience
Operating Systems
1 1 (12.50%) Linux
1 1 (12.50%) Ubuntu
Processes & Methodologies
1 5 (62.50%) Front End Development
2 2 (25.00%) Agile Software Development
2 2 (25.00%) Data Analysis
2 2 (25.00%) Rapid Prototyping
2 2 (25.00%) Visualisation
2 2 (25.00%) Web Development
2 2 (25.00%) Wireframes
3 1 (12.50%) Anomaly Detection
3 1 (12.50%) Asynchronous Programming
3 1 (12.50%) B2B
3 1 (12.50%) Machine Learning
3 1 (12.50%) Market Research
3 1 (12.50%) MVC
3 1 (12.50%) OO
3 1 (12.50%) Scrum
3 1 (12.50%) Service Delivery
Programming Languages
1 8 (100.00%) JavaScript
2 3 (37.50%) SQL
3 2 (25.00%) MATLAB
3 2 (25.00%) PL/SQL
3 2 (25.00%) Python
3 2 (25.00%) R
4 1 (12.50%) C#
4 1 (12.50%) TypeScript
System Software
1 1 (12.50%) Docker
Systems Management
1 1 (12.50%) Kubernetes
Vendors
1 2 (25.00%) Oracle
2 1 (12.50%) Microsoft
2 1 (12.50%) Rackspace