Period
to 24 May 2018

The following table provides summary statistics for contract job vacancies advertised in 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 24 May 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.

API Testing
England > London
6 months to
24 May 2018
Same period 2017 Same period 2016
Rank 401 497 514
Rank change year-on-year +96 +17 +49
Contract jobs citing API Testing 237 90 79
As % of all contract IT jobs advertised in London 0.52% 0.23% 0.18%
As % of the Processes & Methodologies category 0.60% 0.26% 0.21%
Number of daily rates quoted 183 68 51
London median daily rate £438 £425 £400
Median daily rate % change year-on-year +2.94% +6.25% +8.47%
10th Percentile £311 £309 £263
90th Percentile £525 £516 £500
England median daily rate £425 £375 £410
% change year-on-year +13.33% -8.54% +13.10%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate - £35.00 -

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 London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Contract vacancies with a requirement for process or methodology skills 39,812 34,121 37,253
As % of all contract IT jobs advertised in London 87.30% 86.50% 86.01%
Number of daily rates quoted 28,800 24,477 26,970
London median daily rate £500 £475 £451
Median daily rate % change year-on-year +5.26% +5.44% +0.11%
10th Percentile £325 £313 £300
90th Percentile £675 £650 £650
England median daily rate £463 £450 £425
% change year-on-year +2.78% +5.88% +4.42%
Number of hourly rates quoted 557 382 400
London median hourly rate £25.00 £25.00 £21.00
Median hourly rate % change year-on-year - +19.05% +10.09%
10th Percentile £14.00 £12.53 £11.25
90th Percentile £50.20 £52.50 £51.77
England median hourly rate £22.00 £25.06 £23.00
% change year-on-year -12.21% +8.96% +9.52%

API Testing
Job Vacancy Trend in London

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

Job vacancy trend for API Testing in London

API Testing
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for API Testing in London

API Testing
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing API Testing in London over the 6 months to 24 May 2018.

Contractor daily rate histogram for API Testing in London

API Testing
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing API Testing within the London region over the 6 months to 24 May 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
Central London -10 55 £425 - 9
West London -23 15 £475 +21.02% 8
East London - 8 £475 - 3
South London - 3 £325 -
API Testing
England

For the 6 months to 24 May 2018, 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 London region with a requirement for API Testing.

1 196 (82.70%) Test Automation
2 176 (74.26%) Agile Software Development
3 149 (62.87%) Selenium
4 117 (49.37%) Cucumber
5 114 (48.10%) Java
6 95 (40.08%) BDD
7 72 (30.38%) QA
8 71 (29.96%) SDET
9 65 (27.43%) Git (software)
10 63 (26.58%) Gherkin
11 56 (23.63%) C#
12 54 (22.78%) SpecFlow
13 52 (21.94%) SQL
14 51 (21.52%) XML
14 51 (21.52%) WebDriver
15 49 (20.68%) REST
16 48 (20.25%) JIRA
16 48 (20.25%) Scrum
17 47 (19.83%) Finance
17 47 (19.83%) SoapUI
18 46 (19.41%) JSON
19 43 (18.14%) TDD
20 42 (17.72%) JavaScript
21 41 (17.30%) Functional Testing
21 41 (17.30%) Jenkins
22 38 (16.03%) OO
23 37 (15.61%) Android
24 36 (15.19%) Amazon AWS
25 35 (14.77%) Greenfield Project
26 34 (14.35%) Mobile App

API Testing
Co-occurring IT Skills in 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 17 (7.17%) Confluence
2 6 (2.53%) IIS
3 4 (1.69%) Adobe Experience Manager
3 4 (1.69%) CMS
3 4 (1.69%) SharePoint
3 4 (1.69%) Sitecore CMS
3 4 (1.69%) WordPress
4 2 (0.84%) ColdFusion
4 2 (0.84%) MQSeries
4 2 (0.84%) WebSphere
5 1 (0.42%) JBoss
5 1 (0.42%) Oracle Service Bus
5 1 (0.42%) Oracle SOA Suite
5 1 (0.42%) Tomcat
5 1 (0.42%) WebLogic
Cloud Services
1 36 (15.19%) Amazon AWS
2 30 (12.66%) Microsoft Azure
3 10 (4.22%) BrowserStack
4 4 (1.69%) Google Analytics
5 3 (1.27%) GitHub
6 2 (0.84%) BlazeMeter
6 2 (0.84%) DigitalOcean
6 2 (0.84%) Google Cloud Platform
6 2 (0.84%) Sauce Labs
7 1 (0.42%) SaaS
7 1 (0.42%) TestFlight
Communications & Networking
1 7 (2.95%) SMS
2 6 (2.53%) HTTP
3 4 (1.69%) DVB
4 2 (0.84%) Internet
5 1 (0.42%) Skype
Database & Business Intelligence
1 13 (5.49%) SQL Server
2 8 (3.38%) PostgreSQL
3 6 (2.53%) Big Data
3 6 (2.53%) Hadoop
4 5 (2.11%) MongoDB
4 5 (2.11%) NoSQL
5 4 (1.69%) Relational Database
6 2 (0.84%) Amazon DynamoDB
6 2 (0.84%) Apache Cassandra
6 2 (0.84%) BigQuery
7 1 (0.42%) MySQL
7 1 (0.42%) Oracle ODI
Development Applications
1 149 (62.87%) Selenium
2 117 (49.37%) Cucumber
3 65 (27.43%) Git (software)
4 54 (22.78%) SpecFlow
5 51 (21.52%) WebDriver
6 48 (20.25%) JIRA
7 47 (19.83%) SoapUI
8 41 (17.30%) Jenkins
9 32 (13.50%) NUnit
10 24 (10.13%) JMeter
11 21 (8.86%) Appium
12 12 (5.06%) Gatling
12 12 (5.06%) JUnit
13 11 (4.64%) Team Foundation Server
13 11 (4.64%) Visual Studio Team System
14 9 (3.80%) LoadRunner
15 8 (3.38%) Maven
15 8 (3.38%) Protractor
15 8 (3.38%) Zephyr
16 7 (2.95%) GitLab
General
1 47 (19.83%) Finance
2 12 (5.06%) Banking
3 6 (2.53%) Marketing
3 6 (2.53%) Retail
4 4 (1.69%) Games
4 4 (1.69%) Retail Banking
5 3 (1.27%) Law
5 3 (1.27%) Legal
6 1 (0.42%) Back Office
6 1 (0.42%) Financial Institution
Job Titles
1 70 (29.54%) Tester
2 56 (23.63%) Automation Tester
3 30 (12.66%) Analyst
4 29 (12.24%) Test Engineer
5 26 (10.97%) Test Analyst
6 25 (10.55%) Developer
6 25 (10.55%) Digital Transformation
7 20 (8.44%) QA Engineer
8 18 (7.59%) Developer in Test
9 16 (6.75%) Selenium Automation Tester
9 16 (6.75%) Selenium Tester
10 13 (5.49%) Web Tester
11 12 (5.06%) Web Automation Tester
12 11 (4.64%) QA Analyst
13 10 (4.22%) Agile Tester
14 9 (3.80%) Architect
14 9 (3.80%) Automation Engineer
14 9 (3.80%) Senior Developer
15 8 (3.38%) Java Automation Tester
15 8 (3.38%) Software Developer
Libraries, Frameworks & Software Standards
1 63 (26.58%) Gherkin
2 51 (21.52%) XML
3 49 (20.68%) REST
4 46 (19.41%) JSON
5 32 (13.50%) React
6 30 (12.66%) .NET
7 25 (10.55%) RESTful
7 25 (10.55%) Web Services
8 20 (8.44%) SOAP
9 16 (6.75%) HTML
10 13 (5.49%) Node.js
11 10 (4.22%) Swagger
12 9 (3.80%) ASP.NET
12 9 (3.80%) ASP.NET Web API
13 8 (3.38%) OAuth
13 8 (3.38%) OAuth2
14 7 (2.95%) OpenID
15 5 (2.11%) Chai
15 5 (2.11%) CSS
15 5 (2.11%) HTML5
Miscellaneous
1 35 (14.77%) Greenfield Project
2 34 (14.35%) Mobile App
3 12 (5.06%) Fintech
4 11 (4.64%) Analytical Skills
5 8 (3.38%) Linux Command Line
6 6 (2.53%) User Experience
7 5 (2.11%) Computer Science
7 5 (2.11%) IPTV
7 5 (2.11%) PDA
7 5 (2.11%) Video on Demand
8 4 (1.69%) Client/Server
8 4 (1.69%) Embedded Systems
8 4 (1.69%) Foreign Exchange (FX)
8 4 (1.69%) STB
9 3 (1.27%) Mainframe
10 2 (0.84%) Management Information System
10 2 (0.84%) PlayStation
11 1 (0.42%) Hybrid Cloud
11 1 (0.42%) Minimum Viable Product
11 1 (0.42%) Over-the-Top Content
Operating Systems
1 37 (15.61%) Android
2 31 (13.08%) Apple iOS
3 12 (5.06%) Unix
3 12 (5.06%) Windows
4 11 (4.64%) Linux
5 5 (2.11%) Ubuntu
6 1 (0.42%) Solaris
Processes & Methodologies
1 196 (82.70%) Test Automation
2 176 (74.26%) Agile Software Development
3 95 (40.08%) BDD
4 71 (29.96%) SDET
5 48 (20.25%) Scrum
6 43 (18.14%) TDD
7 41 (17.30%) Functional Testing
8 38 (16.03%) OO
9 30 (12.66%) Front End Development
9 30 (12.66%) Test Scripting
10 27 (11.39%) Digital Transformation Programme
10 27 (11.39%) Scenario Testing
11 25 (10.55%) Migration
12 22 (9.28%) Non-Functional Testing
13 21 (8.86%) Problem-Solving
13 21 (8.86%) Software Testing
14 20 (8.44%) User Stories
15 19 (8.02%) Continuous Integration
15 19 (8.02%) Performance Testing
16 18 (7.59%) User Acceptance Testing
Programming Languages
1 114 (48.10%) Java
2 56 (23.63%) C#
3 52 (21.94%) SQL
4 42 (17.72%) JavaScript
5 32 (13.50%) Python
6 19 (8.02%) Ruby
7 8 (3.38%) ES6
8 7 (2.95%) Groovy
9 5 (2.11%) Bash Shell
9 5 (2.11%) ES7
10 4 (1.69%) Apple Swift
10 4 (1.69%) Java 8
10 4 (1.69%) Perl
11 3 (1.27%) C
12 2 (0.84%) C++
12 2 (0.84%) TypeScript
13 1 (0.42%) PHP
13 1 (0.42%) Scala
13 1 (0.42%) Shell Script
13 1 (0.42%) VB
Qualifications
1 18 (7.59%) Degree
2 16 (6.75%) ISEB
3 14 (5.91%) ISTQB
4 8 (3.38%) SC Cleared
4 8 (3.38%) Security Cleared
5 5 (2.11%) Computer Science Degree
6 4 (1.69%) Master's Degree
7 2 (0.84%) ISTQB Foundation Certification
8 1 (0.42%) CIPD
Quality Assurance & Compliance
1 72 (30.38%) QA
2 4 (1.69%) GDPR
3 3 (1.27%) WCAG
4 2 (0.84%) ISO 20022
4 2 (0.84%) ISO 8583
System Software
1 6 (2.53%) Active Directory
2 3 (1.27%) Docker
Systems Management
1 9 (3.80%) Puppet
2 5 (2.11%) Grafana
2 5 (2.11%) Kibana
3 4 (1.69%) HP ALM
Vendors
1 11 (4.64%) Atlassian
2 6 (2.53%) Google
3 5 (2.11%) HP
4 4 (1.69%) Adobe
4 4 (1.69%) Microsoft
4 4 (1.69%) Sitecore
5 3 (1.27%) Guidewire
5 3 (1.27%) Huawei
5 3 (1.27%) Oracle
6 2 (0.84%) Apple
6 2 (0.84%) Salesforce.com
7 1 (0.42%) Capita
7 1 (0.42%) Citrix