Period
to 23 November 2017

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

ECMAScript
Central London > City of London
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 320 339 -
Rank change year-on-year +19 - +464
Permanent jobs citing ECMAScript 1 9 0
As % of all permanent IT jobs advertised in the City of London 0.010% 0.077% -
As % of the Programming Languages category 0.017% 0.13% -
Number of salaries quoted 0 9 0
City of London median annual salary - £80,000 -
Central London median annual salary £70,000 £80,000 -
% change year-on-year -12.50% - -

ECMAScript is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in the City of London with a requirement for coding skills.

All Programming Languages
City of London
Permanent vacancies with a requirement for coding skills 5809 6762 9345
As % of all permanent IT jobs advertised in the City of London 56.82% 58.05% 55.00%
Number of salaries quoted 5324 6240 8240
City of London median annual salary £61,000 £57,500 £57,500
Median salary % change year-on-year +6.09% - +4.55%
10th Percentile £38,750 £37,500 £34,750
90th Percentile £95,000 £88,750 £87,500
Central London median annual salary £60,000 £57,500 £55,000
% change year-on-year +4.35% +4.55% -

ECMAScript
Job Vacancy Trend in the City of London

Job postings citing ECMAScript as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for ECMAScript in the City of London

ECMAScript
Salary Trend in the City of London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing ECMAScript in the City of London.

Salary trend for ECMAScript in the City of London

For the 6 months to 23 November 2017, IT jobs citing ECMAScript 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 City of London region with a requirement for ECMAScript.

1 1 (100.00%) JavaScript
1 1 (100.00%) CMS
1 1 (100.00%) Web Design
1 1 (100.00%) Subversion
1 1 (100.00%) Git (software)
1 1 (100.00%) RESTful
1 1 (100.00%) Data Structures
1 1 (100.00%) React
1 1 (100.00%) webpack
1 1 (100.00%) Firebase
1 1 (100.00%) Front End Development
1 1 (100.00%) Babel
1 1 (100.00%) Redux
1 1 (100.00%) npm

ECMAScript
Co-occurring IT Skills in the City of London 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 1 (100.00%) CMS
Cloud Services
1 1 (100.00%) Firebase
1 1 (100.00%) npm
Development Applications
1 1 (100.00%) Babel
1 1 (100.00%) Git (software)
1 1 (100.00%) Subversion
1 1 (100.00%) webpack
Job Titles
1 1 (100.00%) Developer
1 1 (100.00%) Front End Developer (Client-Side Developer)
Libraries, Frameworks & Software Standards
1 1 (100.00%) React
1 1 (100.00%) Redux
1 1 (100.00%) RESTful
Miscellaneous
1 1 (100.00%) Data Structures
Processes & Methodologies
1 1 (100.00%) Front End Development
1 1 (100.00%) Web Design
Programming Languages
1 1 (100.00%) JavaScript