Period
to 16 January 2019

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 16 January 2019 with a comparison to the same period in the previous 2 years.

Data-Driven Documents (D3)
Hertfordshire > Watford
6 months to
16 Jan 2019
Same period 2018 Same period 2017
Rank 89 83 78
Rank change year-on-year -6 -5 +10
Permanent jobs citing D3.js 6 10 17
As % of all permanent IT jobs advertised in Watford 0.65% 1.15% 1.68%
As % of the Libraries, Frameworks & Software Standards category 1.61% 2.44% 5.36%
Number of salaries quoted 6 10 16
Watford median annual salary £55,000 £58,750 £60,000
Median salary % change year-on-year -6.38% -2.08% +140.00%
10th Percentile £36,875 £50,625 £51,875
90th Percentile £67,500 £67,600 £62,500
Hertfordshire median annual salary £57,500 £60,000 £60,000
% change year-on-year -4.17% - +100.00%

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 372 409 317
As % of all permanent IT jobs advertised in Watford 40.48% 46.85% 31.36%
Number of salaries quoted 287 363 286
Watford median annual salary £50,000 £52,500 £55,000
Median salary % change year-on-year -4.76% -4.55% +15.79%
10th Percentile £31,250 £33,750 £32,500
90th Percentile £75,000 £67,500 £73,750
Hertfordshire median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +8.70%

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

D3.js
Salary Histogram in Watford

The salary distribution of IT jobs citing D3.js in Watford over the 6 months to 16 January 2019.

Salary histogram for D3.js in Watford

For the 6 months to 16 January 2019, 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 6 (100.00%) HTML
1 6 (100.00%) Java
1 6 (100.00%) JavaScript
1 6 (100.00%) OOP
1 6 (100.00%) OO
1 6 (100.00%) MVC
1 6 (100.00%) Scrum
1 6 (100.00%) Agile Software Development
1 6 (100.00%) Software Engineering
1 6 (100.00%) SaaS
1 6 (100.00%) HTML5
1 6 (100.00%) Node.js
1 6 (100.00%) AngularJS
1 6 (100.00%) jQuery
1 6 (100.00%) Twitter Bootstrap
1 6 (100.00%) React
1 6 (100.00%) gulp
1 6 (100.00%) React Native
1 6 (100.00%) ES6
2 4 (66.67%) TypeScript
3 3 (50.00%) lodash
3 3 (50.00%) CodeMirror
3 3 (50.00%) Karma Test Runner
3 3 (50.00%) Jenkins
3 3 (50.00%) QA
3 3 (50.00%) Git (software)
3 3 (50.00%) Test Automation
3 3 (50.00%) JBehave
3 3 (50.00%) WebDriver

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 6 (100.00%) SaaS
Development Applications
1 6 (100.00%) gulp
2 3 (50.00%) Git (software)
2 3 (50.00%) JBehave
2 3 (50.00%) Jenkins
2 3 (50.00%) Karma Test Runner
2 3 (50.00%) WebDriver
Job Titles
1 6 (100.00%) Developer
1 6 (100.00%) JavaScript Developer
2 2 (33.33%) Front End Developer (Client-Side Developer)
2 2 (33.33%) Node.js Developer
3 1 (16.67%) Junior
3 1 (16.67%) Junior Developer
3 1 (16.67%) Junior JavaScript Developer
Libraries, Frameworks & Software Standards
1 6 (100.00%) AngularJS
1 6 (100.00%) HTML
1 6 (100.00%) HTML5
1 6 (100.00%) jQuery
1 6 (100.00%) Node.js
1 6 (100.00%) React
1 6 (100.00%) React Native
1 6 (100.00%) Twitter Bootstrap
2 3 (50.00%) CodeMirror
2 3 (50.00%) lodash
Processes & Methodologies
1 6 (100.00%) Agile Software Development
1 6 (100.00%) MVC
1 6 (100.00%) OO
1 6 (100.00%) OOP
1 6 (100.00%) Scrum
1 6 (100.00%) Software Engineering
2 3 (50.00%) Test Automation
Programming Languages
1 6 (100.00%) ES6
1 6 (100.00%) Java
1 6 (100.00%) JavaScript
2 4 (66.67%) TypeScript
Quality Assurance & Compliance
1 3 (50.00%) QA