Period
to 20 February 2020

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for API Testing skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited API Testing over the 6 months to 20 February 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.

API Testing
Central London > City of London
6 months to
20 Feb 2020
Same period 2019 Same period 2018
Rank 183 205 224
Rank change year-on-year +22 +19 -6
Contract jobs citing API Testing 10 43 34
As % of all contract IT jobs advertised in the City of London 0.21% 0.63% 0.48%
As % of the Processes & Methodologies category 0.24% 0.71% 0.54%
Number of daily rates quoted 9 27 28
City of London median daily rate £500 £475 £425
Median daily rate % change year-on-year +5.26% +11.76% +9.68%
10th Percentile £450 £370 £375
90th Percentile £570 £614 £550
Central London median daily rate £498 £475 £425
% change year-on-year +4.74% +11.76% +17.24%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

API Testing is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Contract vacancies with a requirement for process or methodology skills 4,114 6,037 6,332
As % of all contract IT jobs advertised in the City of London 87.38% 88.55% 89.20%
Number of daily rates quoted 3,122 4,718 5,047
City of London median daily rate £513 £520 £500
Median daily rate % change year-on-year -1.44% +4.00% +3.09%
10th Percentile £313 £325 £327
90th Percentile £688 £675 £688
Central London median daily rate £500 £513 £500
% change year-on-year -2.44% +2.50% +5.26%
Number of hourly rates quoted 60 59 72
City of London median hourly rate £21.00 £20.65 £18.70
Median hourly rate % change year-on-year +1.72% +10.40% -9.33%
10th Percentile £12.42 £13.00 £11.63
90th Percentile £51.35 £37.09 £45.25
Central London median hourly rate £22.50 £20.32 £20.75
% change year-on-year +10.71% -2.06% +4.17%

API Testing
Job Vacancy Trend in the City of London

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

Job vacancy trend for API Testing in the City of London

API Testing
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing API Testing in the City of London.

Contractor daily rate trend for API Testing in the City of London

API Testing
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing API Testing in the City of London over the 6 months to 20 February 2020.

Contractor daily rate histogram for API Testing in the City of London

For the 6 months to 20 February 2020, IT contractor jobs citing API Testing 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 City of London region with a requirement for API Testing.

1 9 (90.00%) Agile Software Development
2 8 (80.00%) Selenium
2 8 (80.00%) Test Automation
2 8 (80.00%) Cucumber
3 7 (70.00%) Java
4 6 (60.00%) QA
5 5 (50.00%) Performance Testing
5 5 (50.00%) Jenkins
5 5 (50.00%) DevOps
5 5 (50.00%) Problem-Solving
6 4 (40.00%) Continuous Delivery
6 4 (40.00%) User Stories
6 4 (40.00%) Docker
6 4 (40.00%) Gherkin
6 4 (40.00%) Kanban
6 4 (40.00%) RESTful
6 4 (40.00%) Web Services
6 4 (40.00%) Scrum
6 4 (40.00%) Software Engineering
7 3 (30.00%) ISTQB
7 3 (30.00%) JIRA
7 3 (30.00%) Regression Testing
7 3 (30.00%) JMeter
7 3 (30.00%) ISEB
7 3 (30.00%) JavaScript
7 3 (30.00%) Scala
7 3 (30.00%) AWS
7 3 (30.00%) WebDriver
7 3 (30.00%) Open Source
7 3 (30.00%) Node.js

API Testing
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 2 (20.00%) Confluence
Cloud Services
1 3 (30.00%) AWS
2 2 (20.00%) Azure
3 1 (10.00%) Akamai
3 1 (10.00%) AWS Lambda
3 1 (10.00%) GCP
3 1 (10.00%) GitHub
3 1 (10.00%) Serverless
Database & Business Intelligence
1 1 (10.00%) MongoDB
1 1 (10.00%) Redis
1 1 (10.00%) Relational Database
1 1 (10.00%) SQL Server
Development Applications
1 8 (80.00%) Cucumber
1 8 (80.00%) Selenium
2 5 (50.00%) Jenkins
3 3 (30.00%) JIRA
3 3 (30.00%) JMeter
3 3 (30.00%) REST Assured
3 3 (30.00%) WebDriver
4 2 (20.00%) SoapUI
4 2 (20.00%) TeamCity
5 1 (10.00%) Appium
5 1 (10.00%) Atlassian Bamboo
5 1 (10.00%) Fiddler
5 1 (10.00%) Gatling
5 1 (10.00%) Git (software)
5 1 (10.00%) Mocha
5 1 (10.00%) MSTest
5 1 (10.00%) Octopus Deploy
5 1 (10.00%) SpecFlow
5 1 (10.00%) Visual Studio Team System
5 1 (10.00%) webpack
General
1 1 (10.00%) Banking
1 1 (10.00%) Finance
Job Titles
1 4 (40.00%) Automation Tester
1 4 (40.00%) Tester
2 2 (20.00%) Analyst
2 2 (20.00%) Developer
2 2 (20.00%) Selenium Automation Tester
2 2 (20.00%) Selenium Tester
2 2 (20.00%) Test Analyst
3 1 (10.00%) Automation Test Analyst
3 1 (10.00%) Developer in Test
3 1 (10.00%) Full Stack Developer
3 1 (10.00%) Java Automation Tester
3 1 (10.00%) QA Analyst
3 1 (10.00%) QA Test Analyst
3 1 (10.00%) React Developer
3 1 (10.00%) Senior Automation Tester
3 1 (10.00%) Senior Developer
3 1 (10.00%) Senior Full Stack Developer
3 1 (10.00%) Senior React Developer
3 1 (10.00%) Senior Tester
3 1 (10.00%) Test Engineer
Libraries, Frameworks & Software Standards
1 4 (40.00%) Gherkin
1 4 (40.00%) RESTful
1 4 (40.00%) Web Services
2 3 (30.00%) Node.js
3 2 (20.00%) Jest
3 2 (20.00%) React
4 1 (10.00%) Express
4 1 (10.00%) Kafka
4 1 (10.00%) Redux
4 1 (10.00%) REST
4 1 (10.00%) Sass
4 1 (10.00%) SOAP
4 1 (10.00%) WebdriverIO
Miscellaneous
1 1 (10.00%) EPoS
1 1 (10.00%) Greenfield Project
Processes & Methodologies
1 9 (90.00%) Agile Software Development
2 8 (80.00%) Test Automation
3 5 (50.00%) DevOps
3 5 (50.00%) Performance Testing
3 5 (50.00%) Problem-Solving
4 4 (40.00%) Continuous Delivery
4 4 (40.00%) Kanban
4 4 (40.00%) Scrum
4 4 (40.00%) Software Engineering
4 4 (40.00%) User Stories
5 3 (30.00%) Continuous Improvement
5 3 (30.00%) Continuous Integration
5 3 (30.00%) Defect Management
5 3 (30.00%) Exploratory Testing
5 3 (30.00%) Microservices
5 3 (30.00%) Open Source
5 3 (30.00%) Regression Testing
5 3 (30.00%) Security Testing
5 3 (30.00%) Unit Testing
5 3 (30.00%) Usability Testing
Programming Languages
1 7 (70.00%) Java
2 3 (30.00%) Groovy
2 3 (30.00%) JavaScript
2 3 (30.00%) Scala
3 2 (20.00%) Python
3 2 (20.00%) SQL
4 1 (10.00%) C#
4 1 (10.00%) ES6
4 1 (10.00%) Java 8
Qualifications
1 3 (30.00%) ISEB
1 3 (30.00%) ISTQB
Quality Assurance & Compliance
1 6 (60.00%) QA
System Software
1 4 (40.00%) Docker
Vendors
1 2 (20.00%) Atlassian
2 1 (10.00%) Google