Period
to 22 February 2018

The following table provides summary statistics for permanent job vacancies advertised in Watford 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 22 February 2018 with a comparison to the same period in the previous 2 years.

Data-Driven Documents (D3)
Hertfordshire > Watford
6 months to
22 Feb 2018
Same period 2017 Same period 2016
Rank 80 72 89
Rank change year-on-year -8 +17 -
Permanent jobs citing D3.js 15 23 1
As % of all permanent IT jobs advertised in Watford 1.50% 2.10% 0.095%
As % of the Libraries, Frameworks & Software Standards category 3.37% 6.37% 0.39%
Number of salaries quoted 15 22 1
Watford median annual salary £60,000 £60,000 £25,000
Median salary % change year-on-year - +140.00% -
10th Percentile £51,250 £53,750 £22,500
90th Percentile £67,500 £62,500 £27,500
Hertfordshire median annual salary £60,000 £60,000 £30,000
% change year-on-year - +100.00% -33.33%

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 Watford with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Watford
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 445 361 258
As % of all permanent IT jobs advertised in Watford 44.63% 32.94% 24.39%
Number of salaries quoted 403 318 211
Watford median annual salary £52,500 £55,000 £47,500
Median salary % change year-on-year -4.55% +15.79% +5.56%
10th Percentile £32,500 £32,500 £26,250
90th Percentile £67,500 £70,000 £70,000
Hertfordshire median annual salary £52,500 £50,000 £46,250
% change year-on-year +5.00% +8.11% +2.78%

D3.js
Job Vacancy Trend in Watford

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

Job vacancy trend for D3.js in Watford

D3.js
Salary Trend in Watford

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

Salary trend for D3.js in Watford

For the 6 months to 22 February 2018, IT 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 permanent job ads across the Watford region with a requirement for D3.js.

1 15 (100.00%) HTML
1 15 (100.00%) JavaScript
1 15 (100.00%) OO
1 15 (100.00%) HTML5
1 15 (100.00%) ES6
2 14 (93.33%) Twitter Bootstrap
2 14 (93.33%) Karma Test Runner
2 14 (93.33%) SaaS
2 14 (93.33%) Node.js
2 14 (93.33%) AngularJS
2 14 (93.33%) React
2 14 (93.33%) lodash
2 14 (93.33%) gulp
2 14 (93.33%) CodeMirror
2 14 (93.33%) jQuery
2 14 (93.33%) Scrum
2 14 (93.33%) Agile Software Development
2 14 (93.33%) Software Engineering
2 14 (93.33%) Java
3 13 (86.67%) MVC
3 13 (86.67%) React Native
3 13 (86.67%) JBehave
3 13 (86.67%) WebDriver
3 13 (86.67%) Test Automation
4 10 (66.67%) OOP
5 8 (53.33%) QA
5 8 (53.33%) Git (software)
5 8 (53.33%) Jenkins
6 1 (6.67%) Vue (Vue.js)
6 1 (6.67%) Visualisation

D3.js
Co-occurring IT Skills in Watford 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 14 (93.33%) SaaS
Communications & Networking
1 1 (6.67%) HTTP
Development Applications
1 14 (93.33%) gulp
1 14 (93.33%) Karma Test Runner
2 13 (86.67%) JBehave
2 13 (86.67%) WebDriver
3 8 (53.33%) Git (software)
3 8 (53.33%) Jenkins
Job Titles
1 15 (100.00%) Developer
1 15 (100.00%) JavaScript Developer
2 13 (86.67%) Front End Developer (Client-Side Developer)
3 8 (53.33%) Node.js Developer
4 1 (6.67%) React Developer
4 1 (6.67%) Software Developer
4 1 (6.67%) UI Developer
Libraries, Frameworks & Software Standards
1 15 (100.00%) HTML
1 15 (100.00%) HTML5
2 14 (93.33%) AngularJS
2 14 (93.33%) CodeMirror
2 14 (93.33%) jQuery
2 14 (93.33%) lodash
2 14 (93.33%) Node.js
2 14 (93.33%) React
2 14 (93.33%) Twitter Bootstrap
3 13 (86.67%) React Native
4 1 (6.67%) CSS
4 1 (6.67%) CSS3
4 1 (6.67%) KnockoutJS
4 1 (6.67%) Vue (Vue.js)
Processes & Methodologies
1 15 (100.00%) OO
2 14 (93.33%) Agile Software Development
2 14 (93.33%) Scrum
2 14 (93.33%) Software Engineering
3 13 (86.67%) MVC
3 13 (86.67%) Test Automation
4 10 (66.67%) OOP
5 1 (6.67%) TDD
5 1 (6.67%) Visualisation
Programming Languages
1 15 (100.00%) ES6
1 15 (100.00%) JavaScript
2 14 (93.33%) Java
Quality Assurance & Compliance
1 8 (53.33%) QA