Period
to 14 November 2018

The following table provides summary statistics for contract job vacancies advertised in South London with a requirement for Chai skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Chai over the 6 months to 14 November 2018 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Chai Assertion Library (Chai.js)
London > South London
6 months to
14 Nov 2018
Same period 2017 Same period 2016
Rank 136 - 95
Rank change year-on-year - +95 -
Contract jobs citing Chai 3 0 1
As % of all contract IT jobs advertised in South London 0.16% - 0.095%
As % of the Libraries, Frameworks & Software Standards category 0.40% - 0.28%
Number of daily rates quoted 2 0 1
South London median daily rate £346 - £300
10th Percentile £309 - £275
90th Percentile £388 - £325
London median daily rate £500 £485 £475
% change year-on-year +3.09% +2.11% -
Number of hourly rates quoted 0 0 0
South London median hourly rate - - -
London median hourly rate - - -

Chai is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in South London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
South London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 755 619 353
As % of all contract IT jobs advertised in South London 40.22% 41.38% 33.40%
Number of daily rates quoted 566 434 231
South London median daily rate £495 £500 £425
Median daily rate % change year-on-year -1.00% +17.65% +13.33%
10th Percentile £363 £350 £313
90th Percentile £600 £653 £525
London median daily rate £525 £500 £463
% change year-on-year +5.00% +8.11% +2.78%
Number of hourly rates quoted 8 30 7
South London median hourly rate £43.97 £47.83 £50.00
Median hourly rate % change year-on-year -8.08% -4.34% -
London median hourly rate £42.27 £30.75 £41.13
% change year-on-year +37.45% -25.23% +15.03%

Chai
Job Vacancy Trend in South London

Job postings citing Chai as a percentage of all IT jobs advertised in South London.

Job vacancy trend for Chai in South London

Chai
Contract Job Locations in South London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Chai within the South London region over the 6 months to 14 November 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Bromley - 2 £300 -
Sutton - 1 £392 -
Chai
London

For the 6 months to 14 November 2018, IT contractor jobs citing Chai also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the South London region with a requirement for Chai.

1 3 (100.00%) JavaScript
1 3 (100.00%) Mocha
2 2 (66.67%) HTML
2 2 (66.67%) Unit Testing
2 2 (66.67%) HTML5
2 2 (66.67%) React
2 2 (66.67%) webpack
2 2 (66.67%) gulp
2 2 (66.67%) ES6
2 2 (66.67%) CSS
2 2 (66.67%) Node.js
2 2 (66.67%) CSS3
2 2 (66.67%) Mustache
2 2 (66.67%) Sass
2 2 (66.67%) AngularJS
2 2 (66.67%) Express
2 2 (66.67%) Karma Test Runner
3 1 (33.33%) Technical Analysis
3 1 (33.33%) Mentoring
3 1 (33.33%) Coaching
3 1 (33.33%) Analytical Skills
3 1 (33.33%) E-Commerce
3 1 (33.33%) Finance
3 1 (33.33%) Scrum
3 1 (33.33%) Agile Software Development
3 1 (33.33%) Software Engineering
3 1 (33.33%) QA
3 1 (33.33%) Selenium
3 1 (33.33%) Performance Optimisation
3 1 (33.33%) Jest

Chai
Co-occurring IT Skills in South 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:

Development Applications
1 3 (100.00%) Mocha
2 2 (66.67%) gulp
2 2 (66.67%) Karma Test Runner
2 2 (66.67%) webpack
3 1 (33.33%) Cucumber
3 1 (33.33%) Selenium
General
1 1 (33.33%) Finance
Job Titles
1 1 (33.33%) Analyst
1 1 (33.33%) Consultant
1 1 (33.33%) QA Analyst
1 1 (33.33%) Senior Software Engineer
1 1 (33.33%) Software Engineer
1 1 (33.33%) UI Consultant
Libraries, Frameworks & Software Standards
1 2 (66.67%) AngularJS
1 2 (66.67%) CSS
1 2 (66.67%) CSS3
1 2 (66.67%) Express
1 2 (66.67%) HTML
1 2 (66.67%) HTML5
1 2 (66.67%) Mustache
1 2 (66.67%) Node.js
1 2 (66.67%) React
1 2 (66.67%) Sass
2 1 (33.33%) Jest
Miscellaneous
1 1 (33.33%) Analytical Skills
Processes & Methodologies
1 2 (66.67%) Unit Testing
2 1 (33.33%) Agile Software Development
2 1 (33.33%) Coaching
2 1 (33.33%) E-Commerce
2 1 (33.33%) Mentoring
2 1 (33.33%) Performance Optimisation
2 1 (33.33%) Scrum
2 1 (33.33%) Software Engineering
2 1 (33.33%) Technical Analysis
Programming Languages
1 3 (100.00%) JavaScript
2 2 (66.67%) ES6
3 1 (33.33%) Java
Quality Assurance & Compliance
1 1 (33.33%) QA