Period
to 23 July 2017

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for D3.js skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited D3.js over the 6 months to 23 July 2017 with a comparison to the same period in the previous 2 years.

Data-Driven Documents (D3)
East of England > Hertfordshire
6 months to
23 Jul 2017
Same period 2016 Same period 2015
Rank 190 218 241
Rank change year-on-year +28 +23 -10
Permanent jobs citing D3.js 25 4 1
As % of all permanent IT jobs advertised in Hertfordshire 0.58% 0.083% 0.018%
As % of the Libraries, Frameworks & Software Standards category 1.51% 0.27% 0.050%
Number of salaries quoted 24 2 1
Hertfordshire median annual salary £60,000 £57,500 £27,500
Median salary % change year-on-year +4.35% +109.09% -38.89%
10th Percentile £49,375 £53,750 £26,250
90th Percentile £63,375 £61,250 £28,750
East of England median annual salary £60,000 £55,000 £45,000
% change year-on-year +9.09% +22.22% -

D3.js is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Hertfordshire with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
Hertfordshire
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 1654 1467 1992
As % of all permanent IT job vacancies advertised in Hertfordshire 38.62% 30.59% 36.28%
Number of salaries quoted 1437 1239 1701
Hertfordshire median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% +5.88%
10th Percentile £32,000 £29,750 £29,500
90th Percentile £70,000 £71,250 £65,000
East of England median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% +6.25%

D3.js
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for D3.js in Hertfordshire

D3.js
Salary Trend in Hertfordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing D3.js in Hertfordshire.

Salary trend for D3.js in Hertfordshire

D3.js
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing D3.js in Hertfordshire over the 6 months to 23 July 2017.

Salary histogram for D3.js in Hertfordshire

D3.js
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing D3.js within the Hertfordshire region over the 6 months to 23 July 2017. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford +8 17 £60,000 +4.35%
Royston - 1 £65,000 -
D3.js
East of England

For the 6 months to 23 July 2017, IT jobs citing D3.js also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Hertfordshire region with a requirement for D3.js.

1 24 (96.00%) JavaScript
1 24 (96.00%) OO
1 24 (96.00%) ES6
2 22 (88.00%) Java
3 21 (84.00%) Scrum
3 21 (84.00%) Agile Software Development
3 21 (84.00%) Software Engineering
3 21 (84.00%) jQuery
3 21 (84.00%) Test Automation
3 21 (84.00%) JBehave
3 21 (84.00%) WebDriver
3 21 (84.00%) gulp
3 21 (84.00%) CodeMirror
3 21 (84.00%) Node.js
3 21 (84.00%) Twitter Bootstrap
3 21 (84.00%) Karma Test Runner
4 15 (60.00%) HTML5
4 15 (60.00%) HTML
5 11 (44.00%) SaaS
5 11 (44.00%) AngularJS
5 11 (44.00%) lodash
6 9 (36.00%) SQL Server 2014
6 9 (36.00%) JAX-RS
6 9 (36.00%) Bower
6 9 (36.00%) RESTful
6 9 (36.00%) SQL Server
6 9 (36.00%) Tomcat
6 9 (36.00%) Web Services
6 9 (36.00%) Spring
6 9 (36.00%) Maven

D3.js
Co-occurring IT Skills in Hertfordshire 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 9 (36.00%) Tomcat
2 1 (4.00%) Apache Spark
2 1 (4.00%) Elasticsearch
Cloud Services
1 11 (44.00%) SaaS
Communications & Networking
1 3 (12.00%) HTTP
2 1 (4.00%) Internet
Database & Business Intelligence
1 9 (36.00%) SQL Server
1 9 (36.00%) SQL Server 2014
2 1 (4.00%) Hadoop
Development Applications
1 21 (84.00%) gulp
1 21 (84.00%) JBehave
1 21 (84.00%) Karma Test Runner
1 21 (84.00%) WebDriver
2 9 (36.00%) Bower
2 9 (36.00%) Maven
3 1 (4.00%) Grunt
Job Titles
1 24 (96.00%) Developer
2 21 (84.00%) JavaScript Developer
3 8 (32.00%) Front End Developer (Client-Side Developer)
4 5 (20.00%) UI Developer
5 4 (16.00%) Java Developer
5 4 (16.00%) Software Developer
6 3 (12.00%) Agile Developer
6 3 (12.00%) Agile Java Developer
7 2 (8.00%) Node.js Developer
8 1 (4.00%) Data Scientist
Libraries, Frameworks & Software Standards
1 21 (84.00%) CodeMirror
1 21 (84.00%) jQuery
1 21 (84.00%) Node.js
1 21 (84.00%) Twitter Bootstrap
2 15 (60.00%) HTML
2 15 (60.00%) HTML5
3 11 (44.00%) AngularJS
3 11 (44.00%) lodash
4 9 (36.00%) JAX-RS
4 9 (36.00%) RESTful
4 9 (36.00%) Spring
4 9 (36.00%) Web Services
5 4 (16.00%) React
6 3 (12.00%) CSS
6 3 (12.00%) CSS3
6 3 (12.00%) KnockoutJS
6 3 (12.00%) Vue.js
Miscellaneous
1 1 (4.00%) Algorithms
1 1 (4.00%) Internet of Things
Processes & Methodologies
1 24 (96.00%) OO
2 21 (84.00%) Agile Software Development
2 21 (84.00%) Scrum
2 21 (84.00%) Software Engineering
2 21 (84.00%) Test Automation
3 3 (12.00%) OOP
3 3 (12.00%) TDD
3 3 (12.00%) Visualisation
4 1 (4.00%) Machine Learning
4 1 (4.00%) Web Development
Programming Languages
1 24 (96.00%) ES6
1 24 (96.00%) JavaScript
2 22 (88.00%) Java
3 1 (4.00%) Python
3 1 (4.00%) R
3 1 (4.00%) Scala
Systems Management
1 1 (4.00%) Kibana