Period
to 20 November 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 20 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.

API Testing
England > London
6 months to
20 Nov 2018
Same period 2017 Same period 2016
Rank 372 494 518
Rank change year-on-year +122 +24 +21
Contract jobs citing API Testing 286 148 104
As % of all contract IT jobs advertised in London 0.62% 0.32% 0.23%
As % of the Processes & Methodologies category 0.70% 0.36% 0.27%
Number of daily rates quoted 243 119 75
London median daily rate £445 £408 £438
Median daily rate % change year-on-year +9.20% -6.86% +9.38%
10th Percentile £300 £266 £313
90th Percentile £575 £539 £581
England median daily rate £425 £400 £400
% change year-on-year +6.25% - +5.96%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England median hourly rate - £45.00 -

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 40,632 41,092 38,885
As % of all contract IT jobs advertised in London 87.62% 88.04% 87.23%
Number of daily rates quoted 29,322 29,817 27,868
London median daily rate £500 £500 £475
Median daily rate % change year-on-year - +5.26% +5.56%
10th Percentile £325 £313 £300
90th Percentile £675 £669 £638
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +1.19%
Number of hourly rates quoted 473 390 413
London median hourly rate £23.50 £22.50 £22.00
Median hourly rate % change year-on-year +4.44% +2.27% +10.00%
10th Percentile £13.31 £13.31 £12.25
90th Percentile £55.69 £50.20 £50.11
England median hourly rate £22.00 £23.50 £23.00
% change year-on-year -6.38% +2.17% +4.55%

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 20 November 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 20 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
Central London +27 62 £455 +2.54% 15
South London +8 27 £475 +58.33% 2
West London +13 18 £463 -2.63% 8
East London -23 2 £513 +20.59% 1
API Testing
England

For the 6 months to 20 November 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.

1 231 (80.77%) Test Automation
2 190 (66.43%) Selenium
3 182 (63.64%) Agile Software Development
4 143 (50.00%) Java
5 122 (42.66%) Cucumber
6 104 (36.36%) QA
7 99 (34.62%) BDD
8 88 (30.77%) WebDriver
9 70 (24.48%) JavaScript
9 70 (24.48%) Jenkins
10 68 (23.78%) JIRA
11 66 (23.08%) REST
12 64 (22.38%) Git (software)
13 63 (22.03%) SDET
14 59 (20.63%) Gherkin
15 56 (19.58%) Scrum
16 55 (19.23%) SQL
17 52 (18.18%) C#
18 49 (17.13%) Python
19 43 (15.03%) SoapUI
20 42 (14.69%) TDD
21 39 (13.64%) Linux
21 39 (13.64%) Continuous Integration
22 38 (13.29%) Amazon AWS
23 37 (12.94%) .NET
23 37 (12.94%) Finance
24 36 (12.59%) Unix
24 36 (12.59%) Test Strategy
25 35 (12.24%) API Development
25 35 (12.24%) Web Services

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 30 (10.49%) Confluence
2 8 (2.80%) CMS
3 7 (2.45%) Mule
4 5 (1.75%) Adobe Experience Manager
5 4 (1.40%) SharePoint
6 3 (1.05%) Apache
7 2 (0.70%) Elasticsearch
8 1 (0.35%) Apache Qpid
8 1 (0.35%) EPiServer
8 1 (0.35%) nginx
8 1 (0.35%) Sitecore CMS
8 1 (0.35%) WebSphere
8 1 (0.35%) WordPress
Business Applications
1 2 (0.70%) Markit EDM
1 2 (0.70%) SAP Hybris
Cloud Services
1 38 (13.29%) Amazon AWS
2 14 (4.90%) Microsoft Azure
3 7 (2.45%) BrowserStack
3 7 (2.45%) GitHub
4 6 (2.10%) Sauce Labs
5 4 (1.40%) SaaS
6 3 (1.05%) BlazeMeter
6 3 (1.05%) Dynamics 365
7 2 (0.70%) Google Analytics
8 1 (0.35%) Amazon S3
8 1 (0.35%) Apigee
8 1 (0.35%) Salesforce Service Cloud
8 1 (0.35%) Slack
Communications & Networking
1 18 (6.29%) HTTP
2 7 (2.45%) DVB
3 5 (1.75%) HTTPS
4 4 (1.40%) Skype
5 2 (0.70%) DNS
6 1 (0.35%) BIG-IP
6 1 (0.35%) DHCP
6 1 (0.35%) FTP
6 1 (0.35%) ICMP
6 1 (0.35%) SMS
6 1 (0.35%) SSL
6 1 (0.35%) TCP/IP
Database & Business Intelligence
1 26 (9.09%) PostgreSQL
2 10 (3.50%) Big Data
3 9 (3.15%) Data Warehouse
4 8 (2.80%) MySQL
4 8 (2.80%) NoSQL
5 7 (2.45%) Relational Database
6 6 (2.10%) MongoDB
7 5 (1.75%) Hadoop
8 4 (1.40%) Amazon DynamoDB
8 4 (1.40%) SQL Server
9 3 (1.05%) MarkLogic
10 2 (0.70%) Apache Cassandra
10 2 (0.70%) Triplestore
11 1 (0.35%) GIS
Development Applications
1 190 (66.43%) Selenium
2 122 (42.66%) Cucumber
3 88 (30.77%) WebDriver
4 70 (24.48%) Jenkins
5 68 (23.78%) JIRA
6 64 (22.38%) Git (software)
7 43 (15.03%) SoapUI
8 31 (10.84%) SpecFlow
9 25 (8.74%) Maven
10 24 (8.39%) JUnit
11 20 (6.99%) JMeter
12 19 (6.64%) Zephyr
13 18 (6.29%) Appium
14 17 (5.94%) Gatling
15 13 (4.55%) Protractor
16 11 (3.85%) GitLab
17 9 (3.15%) Artifactory
17 9 (3.15%) LoadRunner
17 9 (3.15%) Mocha
18 7 (2.45%) Gradle
General
1 37 (12.94%) Finance
2 20 (6.99%) Banking
3 9 (3.15%) Retail
4 7 (2.45%) Marketing
5 4 (1.40%) Legal
5 4 (1.40%) Publishing
6 3 (1.05%) Law
6 3 (1.05%) Telecoms
7 2 (0.70%) Advertising
7 2 (0.70%) Financial Institution
8 1 (0.35%) Electronics
8 1 (0.35%) Games
8 1 (0.35%) Manufacturing
Job Titles
1 65 (22.73%) Tester
2 43 (15.03%) Developer
2 43 (15.03%) Test Engineer
3 38 (13.29%) Automation Tester
4 34 (11.89%) Analyst
5 32 (11.19%) Test Leader
6 29 (10.14%) Test Analyst
7 23 (8.04%) Test Automation Engineer
8 21 (7.34%) Developer in Test
9 20 (6.99%) QA Engineer
10 15 (5.24%) Java Developer
11 14 (4.90%) Automation Test Analyst
12 12 (4.20%) Automation Test Lead
12 12 (4.20%) C# Developer
13 11 (3.85%) QA Automation Engineer
14 10 (3.50%) Selenium Tester
15 9 (3.15%) Automation Engineer
16 8 (2.80%) Java Automation Tester
16 8 (2.80%) JavaScript Engineer
16 8 (2.80%) Selenium Automation Tester
Libraries, Frameworks & Software Standards
1 66 (23.08%) REST
2 59 (20.63%) Gherkin
3 37 (12.94%) .NET
4 35 (12.24%) Web Services
5 33 (11.54%) RESTful
5 33 (11.54%) SOAP
6 30 (10.49%) React
7 29 (10.14%) AngularJS
8 24 (8.39%) HTML
9 23 (8.04%) JSON
10 21 (7.34%) CSS
10 21 (7.34%) XML
11 20 (6.99%) ASP.NET
12 17 (5.94%) Node.js
13 16 (5.59%) ASP.NET Web API
14 14 (4.90%) Middleware
15 12 (4.20%) .NET Framework
15 12 (4.20%) ASP.NET MVC
15 12 (4.20%) HTML5
15 12 (4.20%) LESS
Miscellaneous
1 31 (10.84%) Linux Command Line
2 23 (8.04%) Greenfield Project
2 23 (8.04%) Mobile App
3 14 (4.90%) Fintech
4 13 (4.55%) Analytical Skills
5 12 (4.20%) Self-Motivation
6 11 (3.85%) IPTV
7 10 (3.50%) Video on Demand
8 7 (2.45%) Embedded Systems
8 7 (2.45%) STB
9 4 (1.40%) EPoS
9 4 (1.40%) Media Streaming
9 4 (1.40%) SWIFT
10 3 (1.05%) User Experience
11 2 (0.70%) BBC
11 2 (0.70%) Client/Server
11 2 (0.70%) IVR
11 2 (0.70%) Video\Live Streaming
12 1 (0.35%) Computer Science
12 1 (0.35%) Foreign Exchange (FX)
Operating Systems
1 39 (13.64%) Linux
2 36 (12.59%) Unix
3 17 (5.94%) Apple iOS
4 16 (5.59%) Android
5 12 (4.20%) Windows
6 11 (3.85%) Ubuntu
Processes & Methodologies
1 231 (80.77%) Test Automation
2 182 (63.64%) Agile Software Development
3 99 (34.62%) BDD
4 63 (22.03%) SDET
5 56 (19.58%) Scrum
6 42 (14.69%) TDD
7 39 (13.64%) Continuous Integration
8 36 (12.59%) Test Strategy
9 35 (12.24%) API Development
9 35 (12.24%) Open Source
10 31 (10.84%) DevOps
11 30 (10.49%) Microservices
12 29 (10.14%) Digital Transformation Programme
12 29 (10.14%) Front End Development
13 27 (9.44%) Performance Testing
14 26 (9.09%) Mentoring
15 23 (8.04%) E-Commerce
15 23 (8.04%) Migration
16 22 (7.69%) Regression Testing
17 21 (7.34%) Test Scripting
Programming Languages
1 143 (50.00%) Java
2 70 (24.48%) JavaScript
3 55 (19.23%) SQL
4 52 (18.18%) C#
5 49 (17.13%) Python
6 15 (5.24%) Ruby
7 14 (4.90%) Groovy
8 12 (4.20%) Java 8
9 10 (3.50%) Perl
10 9 (3.15%) C
11 4 (1.40%) PHP
11 4 (1.40%) Shell Script
11 4 (1.40%) TypeScript
12 3 (1.05%) Kotlin
12 3 (1.05%) VB
13 2 (0.70%) AspectJ
13 2 (0.70%) Bash Shell
13 2 (0.70%) C++
13 2 (0.70%) Objective-C
13 2 (0.70%) SPARQL
Qualifications
1 23 (8.04%) SC Cleared
1 23 (8.04%) Security Cleared
2 21 (7.34%) ISTQB
3 15 (5.24%) ISEB
4 11 (3.85%) Degree
5 5 (1.75%) DBS Check
6 4 (1.40%) ISTQB Foundation Certification
7 1 (0.35%) ISTQB Advanced Certification
7 1 (0.35%) Master's Degree
Quality Assurance & Compliance
1 104 (36.36%) QA
2 10 (3.50%) PSD2
3 6 (2.10%) GDPR
4 4 (1.40%) SEPA
4 4 (1.40%) TARGET2
5 1 (0.35%) WCAG
System Software
1 23 (8.04%) Docker
2 1 (0.35%) Active Directory
2 1 (0.35%) Apache ZooKeeper
Systems Management
1 15 (5.24%) Puppet
2 9 (3.15%) Grafana
3 8 (2.80%) HP Quality Center
4 7 (2.45%) Kibana
5 3 (1.05%) Ansible
5 3 (1.05%) HP ALM
6 2 (0.70%) Kubernetes
7 1 (0.35%) Business Desktop Deployment
7 1 (0.35%) HAProxy
7 1 (0.35%) logstash
7 1 (0.35%) Nessus
7 1 (0.35%) rkt
Vendors
1 16 (5.59%) Microsoft
2 15 (5.24%) Atlassian
3 9 (3.15%) MuleSoft
4 8 (2.80%) HP
4 8 (2.80%) Oracle
5 7 (2.45%) Huawei
5 7 (2.45%) Talend
6 6 (2.10%) Cypress Semiconductor
7 5 (1.75%) Adobe
8 4 (1.40%) SAP
9 3 (1.05%) WSO2
10 2 (0.70%) Google
10 2 (0.70%) hybris
10 2 (0.70%) Informatica
10 2 (0.70%) RedGate
10 2 (0.70%) Salesforce.com
11 1 (0.35%) F5
11 1 (0.35%) IBM
11 1 (0.35%) RedPrairie
11 1 (0.35%) Sitecore