Period
to 19 September 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 19 September 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
19 Sep 2018
Same period 2017 Same period 2016
Rank 162 159 -
Rank change year-on-year -3 - +174
Contract jobs citing D3.js 4 4 0
As % of all contract IT jobs advertised in Berkshire 0.10% 0.099% -
As % of the Libraries, Frameworks & Software Standards category 0.39% 0.46% -
Number of daily rates quoted 4 3 0
Berkshire median daily rate £544 £450 -
Median daily rate % change year-on-year +20.83% - -
South East median daily rate £438 £450 £550
% change year-on-year -2.78% -18.18% +46.67%
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 1,014 865 1,036
As % of all contract IT jobs advertised in Berkshire 26.13% 21.46% 22.51%
Number of daily rates quoted 634 521 627
Berkshire median daily rate £424 £400 £400
Median daily rate % change year-on-year +5.94% - +5.26%
10th Percentile £300 £275 £275
90th Percentile £572 £544 £550
South East median daily rate £433 £413 £400
% change year-on-year +4.85% +3.13% +6.67%
Number of hourly rates quoted 15 17 34
Berkshire median hourly rate £25.00 £15.00 £12.50
Median hourly rate % change year-on-year +66.67% +20.00% -62.69%
10th Percentile £8.00 £10.75 £12.25
90th Percentile £49.50 £44.35 £41.00
South East median hourly rate £42.50 £42.50 £40.00
% change year-on-year - +6.25% +14.29%

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
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 19 September 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 -4 1 £513 +20.59% 1
D3.js
South East

For the 6 months to 19 September 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 4 (100.00%) JavaScript
1 4 (100.00%) SQL
1 4 (100.00%) .NET
1 4 (100.00%) C#
1 4 (100.00%) MVC
1 4 (100.00%) Web Development
1 4 (100.00%) Amazon AWS
1 4 (100.00%) NoSQL
1 4 (100.00%) Node.js
1 4 (100.00%) LESS
1 4 (100.00%) AngularJS
1 4 (100.00%) SignalR
1 4 (100.00%) TypeScript
1 4 (100.00%) ASP.NET Web API
1 4 (100.00%) Docker
1 4 (100.00%) Kubernetes
1 4 (100.00%) React
2 3 (75.00%) Asynchronous Programming
2 3 (75.00%) Anomaly Detection
2 3 (75.00%) Apache Spark
2 3 (75.00%) Protocol Buffers
2 3 (75.00%) Apache Avro
2 3 (75.00%) Elasticsearch
2 3 (75.00%) Redis
2 3 (75.00%) Neo4j
2 3 (75.00%) Machine Learning
2 3 (75.00%) Rackspace
2 3 (75.00%) Kafka
2 3 (75.00%) SQL Server 2012
2 3 (75.00%) CSS3

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 3 (75.00%) Apache Solr
1 3 (75.00%) Apache Spark
1 3 (75.00%) Elasticsearch
Cloud Services
1 4 (100.00%) Amazon AWS
Communications & Networking
1 3 (75.00%) HTTP
Database & Business Intelligence
1 4 (100.00%) NoSQL
2 3 (75.00%) Apache Cassandra
2 3 (75.00%) MongoDB
2 3 (75.00%) Neo4j
2 3 (75.00%) Redis
2 3 (75.00%) SQL Server
2 3 (75.00%) SQL Server 2012
Job Titles
1 4 (100.00%) Developer
2 3 (75.00%) Web Developer
3 1 (25.00%) .NET Developer
Libraries, Frameworks & Software Standards
1 4 (100.00%) .NET
1 4 (100.00%) AngularJS
1 4 (100.00%) ASP.NET Web API
1 4 (100.00%) LESS
1 4 (100.00%) Node.js
1 4 (100.00%) React
1 4 (100.00%) SignalR
2 3 (75.00%) .NET Framework
2 3 (75.00%) Apache Avro
2 3 (75.00%) CSS
2 3 (75.00%) CSS3
2 3 (75.00%) HTML
2 3 (75.00%) jQuery
2 3 (75.00%) JSON
2 3 (75.00%) Kafka
2 3 (75.00%) Lucene
2 3 (75.00%) Memcached
2 3 (75.00%) Natural Language Processing
2 3 (75.00%) Protocol Buffers
2 3 (75.00%) RabbitMQ
Operating Systems
1 3 (75.00%) Linux
1 3 (75.00%) Ubuntu
Processes & Methodologies
1 4 (100.00%) MVC
1 4 (100.00%) Web Development
2 3 (75.00%) Anomaly Detection
2 3 (75.00%) Asynchronous Programming
2 3 (75.00%) B2B
2 3 (75.00%) Machine Learning
2 3 (75.00%) Market Research
2 3 (75.00%) OO
2 3 (75.00%) Scrum
2 3 (75.00%) Service Delivery
3 1 (25.00%) API Development
3 1 (25.00%) E-Commerce
Programming Languages
1 4 (100.00%) C#
1 4 (100.00%) JavaScript
1 4 (100.00%) SQL
1 4 (100.00%) TypeScript
System Software
1 4 (100.00%) Docker
Systems Management
1 4 (100.00%) Kubernetes
Vendors
1 3 (75.00%) Microsoft
1 3 (75.00%) Rackspace