Period
to 10 July 2020

The following table provides summary statistics for contract job vacancies advertised in the South East 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 10 July 2020 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)
England > South East
6 months to
10 Jul 2020
Same period 2019 Same period 2018
Rank 205 334 328
Rank change year-on-year +129 -6 +1
Contract jobs citing Chai 6 29 59
As % of all contract jobs advertised in the South East 0.10% 0.19% 0.34%
As % of the Libraries, Frameworks & Software Standards category 0.45% 0.68% 1.10%
Number of daily rates quoted 5 23 45
Median daily rate £453 £430 £475
Median daily rate % change year-on-year +5.27% -9.47% +20.25%
10th Percentile £333 £321 £365
90th Percentile £468 £475 £488
England median daily rate £508 £500 £475
% change year-on-year +1.50% +5.26% +11.76%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
England 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 the South East with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
South East
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 1,329 4,282 5,367
As % of all contract IT jobs advertised in the South East 22.15% 28.33% 31.29%
Number of daily rates quoted 817 2,711 3,425
Median daily rate £450 £450 £425
Median daily rate % change year-on-year - +5.88% +4.29%
10th Percentile £311 £331 £313
90th Percentile £588 £588 £575
England median daily rate £500 £500 £475
% change year-on-year - +5.26% +5.56%
Number of hourly rates quoted 30 84 104
Median hourly rate £43.25 £50.00 £42.50
Median hourly rate % change year-on-year -13.50% +17.65% -
10th Percentile £31.25 £20.12 £8.79
90th Percentile £61.73 £60.00 £55.00
Median hourly rate £35.00 £44.00 £42.00
% change year-on-year -20.45% +4.76% +2.44%

Chai
Job Vacancy Trend in the South East

Job postings citing Chai as a proportion of all IT jobs advertised in the South East.

Job vacancy trend for Chai in the South East

Chai
Contractor Daily Rate Trend in the South East

3-month moving average daily rate quoted in jobs citing Chai in the South East.

Daily rate trend for Chai in the South East

Chai
Daily Rate Histogram in the South East

Daily rate distribution for jobs citing Chai in the South East over the 6 months to 10 July 2020.

Daily rate histogram for Chai in the South East

Chai
Contract Job Locations in the South East

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 East region over the 6 months to 10 July 2020. 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
Thames Valley +89 4 £453 +9.73%
Buckinghamshire +41 3 £453 +56.08%
Surrey +65 2 £350 -22.22%
Berkshire +66 1 - -
Chai
England

For the 6 months to 10 July 2020, 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 East region with a requirement for Chai.

1 6 (100.00%) Agile Software Development
1 6 (100.00%) Mocha
2 5 (83.33%) Git (software)
2 5 (83.33%) Test Automation
2 5 (83.33%) JavaScript
2 5 (83.33%) Jenkins
3 4 (66.67%) Mobile App
3 4 (66.67%) React
3 4 (66.67%) ES6
3 4 (66.67%) Jest
3 4 (66.67%) Enzyme
3 4 (66.67%) SOAP
3 4 (66.67%) MySQL
3 4 (66.67%) MVC
3 4 (66.67%) Scrum
3 4 (66.67%) Software Engineering
3 4 (66.67%) Azure
3 4 (66.67%) Android
3 4 (66.67%) Node.js
3 4 (66.67%) Apple iOS
4 3 (50.00%) Sass
4 3 (50.00%) Express
4 3 (50.00%) REST
4 3 (50.00%) PhoneGap
4 3 (50.00%) Backbone.js
4 3 (50.00%) Amazon S3
4 3 (50.00%) MongoDB
4 3 (50.00%) NoSQL
4 3 (50.00%) Cloud Computing
4 3 (50.00%) jQuery

Chai
Co-occurring IT Skills in the South East 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 (16.67%) Apache Solr
1 1 (16.67%) CMS
1 1 (16.67%) Drupal
1 1 (16.67%) Sitecore CMS
1 1 (16.67%) WordPress
Cloud Services
1 4 (66.67%) Azure
2 3 (50.00%) Amazon CloudWatch
2 3 (50.00%) Amazon S3
2 3 (50.00%) AWS
2 3 (50.00%) Cloud Computing
2 3 (50.00%) npm
3 1 (16.67%) BlazeMeter
3 1 (16.67%) GCP
Database & Business Intelligence
1 4 (66.67%) MySQL
2 3 (50.00%) MongoDB
2 3 (50.00%) NoSQL
2 3 (50.00%) Relational Database
2 3 (50.00%) SQL Server
Development Applications
1 6 (100.00%) Mocha
2 5 (83.33%) Git (software)
2 5 (83.33%) Jenkins
3 3 (50.00%) Grunt
3 3 (50.00%) webpack
4 2 (33.33%) TestCafe
5 1 (16.67%) Bitbucket
5 1 (16.67%) CircleCI
5 1 (16.67%) Cucumber
5 1 (16.67%) Cypress.io
5 1 (16.67%) JIRA
5 1 (16.67%) JMeter
5 1 (16.67%) Postman
5 1 (16.67%) Protractor
5 1 (16.67%) Selenium
5 1 (16.67%) SoapUI
Job Titles
1 4 (66.67%) Developer
2 3 (50.00%) Applications Developer
2 3 (50.00%) Mobile Applications Developer
2 3 (50.00%) Mobile Developer
2 3 (50.00%) Senior Applications Developer
2 3 (50.00%) Senior Developer
2 3 (50.00%) Senior Mobile Applications Developer
2 3 (50.00%) Senior Mobile Developer
3 1 (16.67%) Analyst
3 1 (16.67%) Automation Analyst
3 1 (16.67%) Automation Engineer
3 1 (16.67%) Drupal Developer
3 1 (16.67%) JavaScript Engineer
3 1 (16.67%) QA Analyst
3 1 (16.67%) QA Automation Analyst
3 1 (16.67%) QA Automation Engineer
3 1 (16.67%) QA Engineer
Libraries, Frameworks & Software Standards
1 4 (66.67%) Enzyme
1 4 (66.67%) Jest
1 4 (66.67%) Node.js
1 4 (66.67%) React
1 4 (66.67%) SOAP
2 3 (50.00%) Apache Cordova
2 3 (50.00%) Backbone.js
2 3 (50.00%) CSS
2 3 (50.00%) Express
2 3 (50.00%) HTML
2 3 (50.00%) jQuery
2 3 (50.00%) JSON
2 3 (50.00%) Mongoose
2 3 (50.00%) PhoneGap
2 3 (50.00%) React Native
2 3 (50.00%) Redux
2 3 (50.00%) REST
2 3 (50.00%) Sass
2 3 (50.00%) Twitter Bootstrap
2 3 (50.00%) Web Services
Miscellaneous
1 4 (66.67%) Mobile App
2 3 (50.00%) Analytical Skills
2 3 (50.00%) User Experience
3 1 (16.67%) Greenfield Project
Operating Systems
1 4 (66.67%) Android
1 4 (66.67%) Apple iOS
2 3 (50.00%) Windows
Processes & Methodologies
1 6 (100.00%) Agile Software Development
2 5 (83.33%) Test Automation
3 4 (66.67%) MVC
3 4 (66.67%) Scrum
3 4 (66.67%) Software Engineering
4 3 (50.00%) Computer Science
4 3 (50.00%) Mentoring
4 3 (50.00%) Minimum Viable Product
4 3 (50.00%) Mobile Application Development
4 3 (50.00%) MVVM
4 3 (50.00%) Open Source
4 3 (50.00%) Problem-Solving
4 3 (50.00%) Software Testing
4 3 (50.00%) Unit Testing
4 3 (50.00%) User Stories
5 2 (33.33%) BDD
5 2 (33.33%) QA Automation
6 1 (16.67%) Continuous Integration
6 1 (16.67%) Integration Testing
6 1 (16.67%) Manual Testing
Programming Languages
1 5 (83.33%) JavaScript
2 4 (66.67%) ES6
3 3 (50.00%) Apple Swift
3 3 (50.00%) C#
3 3 (50.00%) Java
3 3 (50.00%) Kotlin
3 3 (50.00%) Objective-C
4 1 (16.67%) PHP
4 1 (16.67%) SQL
Qualifications
1 3 (50.00%) Degree
1 3 (50.00%) ISTQB
1 3 (50.00%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 2 (33.33%) QA
System Software
1 1 (16.67%) Docker
Systems Management
1 1 (16.67%) Ansible
1 1 (16.67%) Docker Swarm
1 1 (16.67%) Kubernetes
1 1 (16.67%) Terraform
Vendors
1 3 (50.00%) OutSystems
1 3 (50.00%) Xamarin
2 1 (16.67%) Capita
2 1 (16.67%) hybris
2 1 (16.67%) Sitecore