Period
to 14 August 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 14 August 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
14 Aug 2018
Same period 2017 Same period 2016
Rank 355 507 539
Rank change year-on-year +152 +32 +21
Contract jobs citing API Testing 290 97 98
As % of all contract IT jobs advertised in London 0.64% 0.23% 0.22%
As % of the Processes & Methodologies category 0.72% 0.26% 0.25%
Number of daily rates quoted 249 78 66
London median daily rate £438 £413 £393
Median daily rate % change year-on-year +6.06% +5.10% -1.88%
10th Percentile £300 £250 £284
90th Percentile £575 £525 £538
England median daily rate £413 £380 £400
% change year-on-year +8.55% -5.00% -
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 40,019 37,305 39,481
As % of all contract IT jobs advertised in London 87.78% 87.63% 86.87%
Number of daily rates quoted 28,990 26,655 28,596
London median daily rate £500 £495 £463
Median daily rate % change year-on-year +1.01% +7.03% +2.78%
10th Percentile £325 £313 £300
90th Percentile £675 £656 £638
England median daily rate £463 £450 £425
% change year-on-year +2.78% +5.88% +4.29%
Number of hourly rates quoted 527 380 345
London median hourly rate £23.50 £23.38 £21.50
Median hourly rate % change year-on-year +0.53% +8.72% +7.50%
10th Percentile £14.00 £13.21 £11.25
90th Percentile £54.78 £50.00 £54.00
England median hourly rate £21.50 £23.50 £23.56
% change year-on-year -8.51% -0.24% +8.86%

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 14 August 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 14 August 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 +5 53 £425 - 12
West London -11 24 £475 +15.85% 5
South London - 22 £475 - 2
East London -6 7 £500 +17.65%
API Testing
England

For the 6 months to 14 August 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.

1 236 (81.38%) Test Automation
2 193 (66.55%) Agile Software Development
3 186 (64.14%) Selenium
4 151 (52.07%) Java
5 146 (50.34%) Cucumber
6 127 (43.79%) BDD
7 96 (33.10%) QA
8 91 (31.38%) SDET
9 88 (30.34%) WebDriver
10 82 (28.28%) Git (software)
10 82 (28.28%) Gherkin
11 74 (25.52%) REST
12 69 (23.79%) C#
13 64 (22.07%) JavaScript
13 64 (22.07%) SQL
14 63 (21.72%) JIRA
15 62 (21.38%) Jenkins
16 61 (21.03%) SpecFlow
17 55 (18.97%) SoapUI
17 55 (18.97%) Amazon AWS
18 54 (18.62%) Python
19 50 (17.24%) TDD
20 48 (16.55%) JSON
21 45 (15.52%) Finance
22 44 (15.17%) XML
23 42 (14.48%) Scrum
24 41 (14.14%) .NET
25 39 (13.45%) React
25 39 (13.45%) Front End Development
26 36 (12.41%) Digital Transformation Programme

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 34 (11.72%) Confluence
2 6 (2.07%) IIS
3 4 (1.38%) SharePoint
4 3 (1.03%) CMS
5 2 (0.69%) Adobe Experience Manager
5 2 (0.69%) Sitecore CMS
5 2 (0.69%) WordPress
6 1 (0.34%) Apache
6 1 (0.34%) EPiServer
6 1 (0.34%) WebSphere
Cloud Services
1 55 (18.97%) Amazon AWS
2 25 (8.62%) Microsoft Azure
3 12 (4.14%) BrowserStack
4 6 (2.07%) GitHub
5 4 (1.38%) Sauce Labs
6 3 (1.03%) BlazeMeter
6 3 (1.03%) Google Analytics
6 3 (1.03%) SaaS
7 2 (0.69%) DigitalOcean
8 1 (0.34%) Amazon S3
8 1 (0.34%) Google Cloud Platform
8 1 (0.34%) TestFlight
Communications & Networking
1 18 (6.21%) HTTP
2 7 (2.41%) DVB
3 4 (1.38%) Skype
4 2 (0.69%) HTTPS
5 1 (0.34%) DHCP
5 1 (0.34%) DNS
5 1 (0.34%) ICMP
5 1 (0.34%) SMS
5 1 (0.34%) TCP/IP
Database & Business Intelligence
1 27 (9.31%) PostgreSQL
2 13 (4.48%) Big Data
3 11 (3.79%) Hadoop
4 10 (3.45%) NoSQL
5 8 (2.76%) MongoDB
5 8 (2.76%) MySQL
6 6 (2.07%) SQL Server
7 5 (1.72%) Data Warehouse
8 3 (1.03%) Amazon DynamoDB
8 3 (1.03%) Apache Cassandra
8 3 (1.03%) MarkLogic
9 2 (0.69%) Triplestore
10 1 (0.34%) BigQuery
10 1 (0.34%) GIS
10 1 (0.34%) Relational Database
Development Applications
1 186 (64.14%) Selenium
2 146 (50.34%) Cucumber
3 88 (30.34%) WebDriver
4 82 (28.28%) Git (software)
5 63 (21.72%) JIRA
6 62 (21.38%) Jenkins
7 61 (21.03%) SpecFlow
8 55 (18.97%) SoapUI
9 28 (9.66%) JUnit
10 23 (7.93%) Appium
10 23 (7.93%) NUnit
11 20 (6.90%) JMeter
11 20 (6.90%) Maven
12 17 (5.86%) Zephyr
13 13 (4.48%) Gatling
13 13 (4.48%) GitLab
13 13 (4.48%) LoadRunner
14 11 (3.79%) Artifactory
15 8 (2.76%) Protractor
15 8 (2.76%) TestNG
General
1 45 (15.52%) Finance
2 12 (4.14%) Banking
3 10 (3.45%) Marketing
4 9 (3.10%) Retail
5 5 (1.72%) Games
6 4 (1.38%) Retail Banking
7 3 (1.03%) Telecoms
8 2 (0.69%) Legal
8 2 (0.69%) Publishing
9 1 (0.34%) Back Office
9 1 (0.34%) Electronics
9 1 (0.34%) Manufacturing
Job Titles
1 75 (25.86%) Tester
2 60 (20.69%) Automation Tester
3 44 (15.17%) Developer
4 35 (12.07%) Test Engineer
5 29 (10.00%) QA Engineer
6 23 (7.93%) Analyst
7 20 (6.90%) Selenium Tester
8 18 (6.21%) Java Developer
8 18 (6.21%) Selenium Automation Tester
9 17 (5.86%) Developer in Test
9 17 (5.86%) Test Analyst
10 16 (5.52%) Digital Transformation
11 14 (4.83%) Test Leader
12 13 (4.48%) QA Automation Engineer
13 12 (4.14%) Automation Engineer
13 12 (4.14%) C# Developer
13 12 (4.14%) Web Automation Tester
13 12 (4.14%) Web Tester
14 11 (3.79%) Agile Tester
14 11 (3.79%) Senior Developer
Libraries, Frameworks & Software Standards
1 82 (28.28%) Gherkin
2 74 (25.52%) REST
3 48 (16.55%) JSON
4 44 (15.17%) XML
5 41 (14.14%) .NET
6 39 (13.45%) React
7 36 (12.41%) RESTful
8 35 (12.07%) Web Services
9 23 (7.93%) HTML
10 22 (7.59%) SOAP
11 21 (7.24%) ASP.NET
12 18 (6.21%) AngularJS
12 18 (6.21%) ASP.NET Web API
12 18 (6.21%) Node.js
13 17 (5.86%) CSS
14 12 (4.14%) .NET Core
14 12 (4.14%) .NET Framework
14 12 (4.14%) Angular 2
14 12 (4.14%) HTML5
14 12 (4.14%) LESS
Miscellaneous
1 34 (11.72%) Greenfield Project
2 33 (11.38%) Mobile App
3 28 (9.66%) Linux Command Line
4 12 (4.14%) Fintech
4 12 (4.14%) Self-Motivation
5 11 (3.79%) IPTV
6 8 (2.76%) Analytical Skills
6 8 (2.76%) Video on Demand
7 7 (2.41%) Embedded Systems
7 7 (2.41%) STB
8 6 (2.07%) Computer Science
9 4 (1.38%) User Experience
10 3 (1.03%) EPoS
10 3 (1.03%) Media Streaming
11 1 (0.34%) Analytical Mindset
11 1 (0.34%) BBC
11 1 (0.34%) Foreign Exchange (FX)
11 1 (0.34%) Mainframe
11 1 (0.34%) Over-the-Top Content
Operating Systems
1 34 (11.72%) Linux
2 33 (11.38%) Unix
3 24 (8.28%) Android
4 23 (7.93%) Apple iOS
5 21 (7.24%) Windows
6 12 (4.14%) Ubuntu
Processes & Methodologies
1 236 (81.38%) Test Automation
2 193 (66.55%) Agile Software Development
3 127 (43.79%) BDD
4 91 (31.38%) SDET
5 50 (17.24%) TDD
6 42 (14.48%) Scrum
7 39 (13.45%) Front End Development
8 36 (12.41%) Digital Transformation Programme
9 34 (11.72%) Continuous Integration
10 32 (11.03%) Migration
11 31 (10.69%) OO
12 30 (10.34%) API Development
13 27 (9.31%) Functional Testing
14 26 (8.97%) Microservices
15 25 (8.62%) Open Source
16 24 (8.28%) Mentoring
17 23 (7.93%) DevOps
18 22 (7.59%) User Acceptance Testing
19 21 (7.24%) Non-Functional Testing
19 21 (7.24%) Test Scripting
Programming Languages
1 151 (52.07%) Java
2 69 (23.79%) C#
3 64 (22.07%) JavaScript
3 64 (22.07%) SQL
4 54 (18.62%) Python
5 13 (4.48%) Java 8
6 12 (4.14%) Ruby
7 9 (3.10%) Groovy
8 8 (2.76%) ES6
8 8 (2.76%) Perl
9 5 (1.72%) Bash Shell
9 5 (1.72%) C
9 5 (1.72%) ES7
9 5 (1.72%) PHP
9 5 (1.72%) Shell Script
10 4 (1.38%) C++
11 2 (0.69%) Kotlin
11 2 (0.69%) SPARQL
12 1 (0.34%) TypeScript
12 1 (0.34%) XPath
Qualifications
1 25 (8.62%) Degree
2 20 (6.90%) ISEB
3 19 (6.55%) ISTQB
3 19 (6.55%) SC Cleared
3 19 (6.55%) Security Cleared
4 5 (1.72%) Computer Science Degree
5 4 (1.38%) Master's Degree
6 1 (0.34%) CIPD
6 1 (0.34%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 96 (33.10%) QA
2 10 (3.45%) GDPR
System Software
1 9 (3.10%) Docker
2 6 (2.07%) Active Directory
Systems Management
1 20 (6.90%) Puppet
2 11 (3.79%) Grafana
3 9 (3.10%) Kibana
4 3 (1.03%) HP Quality Center
5 1 (0.34%) Business Desktop Deployment
Vendors
1 21 (7.24%) Atlassian
2 13 (4.48%) Microsoft
3 7 (2.41%) Oracle
3 7 (2.41%) Talend
4 6 (2.07%) Huawei
5 4 (1.38%) Google
6 3 (1.03%) MuleSoft
7 2 (0.69%) Adobe
7 2 (0.69%) Salesforce.com
7 2 (0.69%) Sitecore
8 1 (0.34%) Cypress Semiconductor
8 1 (0.34%) HP
8 1 (0.34%) RedPrairie
8 1 (0.34%) SAP
8 1 (0.34%) WSO2