Period
to 16 January 2018

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 16 January 2018 with a comparison to the same period in the previous 2 years.

Data-Driven Documents (D3)
East of England > Hertfordshire
6 months to
16 Jan 2018
Same period 2017 Same period 2016
Rank 195 200 222
Rank change year-on-year +5 +22 -15
Permanent jobs citing D3.js 11 17 4
As % of all permanent IT jobs advertised in Hertfordshire 0.25% 0.39% 0.080%
As % of the Libraries, Frameworks & Software Standards category 0.61% 1.01% 0.24%
Number of salaries quoted 11 16 4
Hertfordshire median annual salary £60,000 £60,000 £30,000
Median salary % change year-on-year - +100.00% -33.33%
10th Percentile £51,250 £51,875 £24,750
90th Percentile £67,500 £62,500 £53,625
East of England median annual salary £52,500 £60,000 £40,000
% change year-on-year -12.50% +50.00% -11.11%

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 permanent job vacancies advertised in Hertfordshire with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Hertfordshire
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 1,802 1,679 1,678
As % of all permanent IT jobs advertised in Hertfordshire 40.57% 38.19% 33.41%
Number of salaries quoted 1,595 1,478 1,476
Hertfordshire median annual salary £50,000 £50,000 £45,500
Median salary % change year-on-year - +9.89% -2.15%
10th Percentile £31,250 £30,000 £28,625
90th Percentile £71,250 £70,000 £70,000
East of England median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% -

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 16 January 2018.

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 16 January 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford -5 10 £58,750 -2.08% 1
D3.js
East of England

For the 6 months to 16 January 2018, 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 11 (100.00%) HTML
1 11 (100.00%) JavaScript
1 11 (100.00%) OO
1 11 (100.00%) HTML5
1 11 (100.00%) ES6
2 10 (90.91%) gulp
2 10 (90.91%) CodeMirror
2 10 (90.91%) Node.js
2 10 (90.91%) Twitter Bootstrap
2 10 (90.91%) Karma Test Runner
2 10 (90.91%) jQuery
2 10 (90.91%) Scrum
2 10 (90.91%) Agile Software Development
2 10 (90.91%) Software Engineering
2 10 (90.91%) Java
3 9 (81.82%) JBehave
3 9 (81.82%) WebDriver
3 9 (81.82%) SaaS
3 9 (81.82%) AngularJS
3 9 (81.82%) Test Automation
3 9 (81.82%) React
3 9 (81.82%) lodash
4 8 (72.73%) React Native
4 8 (72.73%) MVC
5 5 (45.45%) OOP
6 3 (27.27%) Jenkins
6 3 (27.27%) Git (software)
6 3 (27.27%) QA
7 1 (9.09%) Vue (Vue.js)
7 1 (9.09%) npm

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:

Cloud Services
1 9 (81.82%) SaaS
2 1 (9.09%) npm
Communications & Networking
1 1 (9.09%) HTTP
Development Applications
1 10 (90.91%) gulp
1 10 (90.91%) Karma Test Runner
2 9 (81.82%) JBehave
2 9 (81.82%) WebDriver
3 3 (27.27%) Git (software)
3 3 (27.27%) Jenkins
4 1 (9.09%) Bower
4 1 (9.09%) Grunt
Job Titles
1 11 (100.00%) Developer
1 11 (100.00%) JavaScript Developer
2 8 (72.73%) Front End Developer (Client-Side Developer)
3 4 (36.36%) Node.js Developer
4 1 (9.09%) Software Developer
4 1 (9.09%) UI Developer
Libraries, Frameworks & Software Standards
1 11 (100.00%) HTML
1 11 (100.00%) HTML5
2 10 (90.91%) CodeMirror
2 10 (90.91%) jQuery
2 10 (90.91%) Node.js
2 10 (90.91%) Twitter Bootstrap
3 9 (81.82%) AngularJS
3 9 (81.82%) lodash
3 9 (81.82%) React
4 8 (72.73%) React Native
5 1 (9.09%) CSS
5 1 (9.09%) CSS3
5 1 (9.09%) KnockoutJS
5 1 (9.09%) Vue (Vue.js)
Processes & Methodologies
1 11 (100.00%) OO
2 10 (90.91%) Agile Software Development
2 10 (90.91%) Scrum
2 10 (90.91%) Software Engineering
3 9 (81.82%) Test Automation
4 8 (72.73%) MVC
5 5 (45.45%) OOP
6 1 (9.09%) Collaborative Working
6 1 (9.09%) TDD
6 1 (9.09%) Visualisation
6 1 (9.09%) Web Development
Programming Languages
1 11 (100.00%) ES6
1 11 (100.00%) JavaScript
2 10 (90.91%) Java
Quality Assurance & Compliance
1 3 (27.27%) QA