Period
to 20 November 2017

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Unit Testing skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Unit Testing over the 6 months to 20 November 2017 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.

Unit Testing
Central London > City of London
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 109 103 122
Rank change year-on-year -6 +19 +13
Contract jobs citing Unit Testing 148 162 168
As % of all contract IT jobs advertised in the City of London 2.09% 2.46% 1.84%
As % of the Processes & Methodologies category 2.37% 2.81% 2.19%
Number of daily rates quoted 110 142 134
City of London median daily rate £481 £494 £475
Median daily rate % change year-on-year -2.53% +3.95% +5.56%
10th Percentile £375 £357 £336
90th Percentile £664 £638 £621
Central London median daily rate £475 £475 £500
% change year-on-year - -5.00% +11.11%
Number of hourly rates quoted 0 0 0
City of London median hourly rate - - -
Central London median hourly rate - - -

Unit 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 6257 5765 7677
As % of all contract IT jobs advertised in the City of London 88.28% 87.41% 83.98%
Number of daily rates quoted 4969 4616 6106
City of London median daily rate £513 £475 £465
Median daily rate % change year-on-year +7.89% +2.15% +3.33%
10th Percentile £325 £313 £288
90th Percentile £688 £664 £650
Central London median daily rate £500 £475 £455
% change year-on-year +5.26% +4.40% +1.11%
Number of hourly rates quoted 59 53 74
City of London median hourly rate £20.00 £20.00 £21.13
Median hourly rate % change year-on-year - -5.33% +11.18%
10th Percentile £13.34 £13.75 £10.91
90th Percentile £30.90 £54.03 £45.15
Central London median hourly rate £20.25 £19.46 £21.00
% change year-on-year +4.06% -7.33% +16.73%

Unit Testing
Job Vacancy Trend in the City of London

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

Job vacancy trend for Unit Testing in the City of London

Unit 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 Unit Testing in the City of London.

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

Unit Testing
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Unit Testing in the City of London over the 6 months to 20 November 2017.

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

Unit Testing
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Unit Testing in the City of London.

Contractor hourly rate trend for Unit Testing in the City of London

For the 6 months to 20 November 2017, IT contractor jobs citing Unit Testing also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for Unit Testing.

1 84 (56.76%) Agile Software Development
2 64 (43.24%) Finance
3 62 (41.89%) Java
4 52 (35.14%) SQL Server
4 52 (35.14%) Banking
5 47 (31.76%) TDD
6 46 (31.08%) JavaScript
6 46 (31.08%) SQL
7 43 (29.05%) C#
8 41 (27.70%) .NET
9 40 (27.03%) SDLC
10 37 (25.00%) HTML
11 34 (22.97%) Relational Database
12 29 (19.59%) Front Office
13 28 (18.92%) CSS
13 28 (18.92%) Web Services
13 28 (18.92%) Test Automation
14 26 (17.57%) Scrum
14 26 (17.57%) BDD
14 26 (17.57%) REST
15 25 (16.89%) Derivative
15 25 (16.89%) Continuous Integration
15 25 (16.89%) MVC
15 25 (16.89%) RDBMS
16 24 (16.22%) OO
16 24 (16.22%) Python
16 24 (16.22%) Git (software)
16 24 (16.22%) AngularJS
17 23 (15.54%) XML
17 23 (15.54%) QA

Unit 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 3 (2.03%) Apache
1 3 (2.03%) CMS
1 3 (2.03%) Confluence
1 3 (2.03%) Umbraco
2 2 (1.35%) Adobe Experience Manager
2 2 (1.35%) Apache Spark
2 2 (1.35%) Drupal
2 2 (1.35%) Elasticsearch
3 1 (0.68%) Apache Solr
3 1 (0.68%) Cloud Foundry
3 1 (0.68%) FileNet
3 1 (0.68%) IBM Notes
3 1 (0.68%) SharePoint
3 1 (0.68%) Tomcat
3 1 (0.68%) WildFly
Applications
1 7 (4.73%) Microsoft Excel
2 2 (1.35%) MS Visio
3 1 (0.68%) Microsoft Office
3 1 (0.68%) Microsoft PowerPoint
3 1 (0.68%) Microsoft Project
Business Applications
1 4 (2.70%) BusinessWorks
1 4 (2.70%) Kondor
2 3 (2.03%) Adobe Campaign
3 1 (0.68%) Dynamics CRM
3 1 (0.68%) HFM
3 1 (0.68%) PeopleSoft CRM
Cloud Services
1 12 (8.11%) Amazon AWS
2 11 (7.43%) Microsoft Azure
3 5 (3.38%) npm
4 2 (1.35%) Amazon S3
4 2 (1.35%) GitHub
4 2 (1.35%) TestFlight
5 1 (0.68%) Amazon EC2
5 1 (0.68%) Cloud Computing
5 1 (0.68%) Data Lake Analytics
5 1 (0.68%) Heroku
5 1 (0.68%) IaaS
5 1 (0.68%) Office 365
5 1 (0.68%) Route 53
5 1 (0.68%) SaaS
5 1 (0.68%) Yarn
Communications & Networking
1 6 (4.05%) HTTP
2 5 (3.38%) Internet
3 3 (2.03%) FTP
4 1 (0.68%) Bluetooth
4 1 (0.68%) SMS
4 1 (0.68%) snoop
Database & Business Intelligence
1 52 (35.14%) SQL Server
2 34 (22.97%) Relational Database
3 25 (16.89%) RDBMS
4 12 (8.11%) SQL Server Reporting Services
5 11 (7.43%) SQL Server Integration Services
6 10 (6.76%) Data Warehouse
6 10 (6.76%) MySQL
7 8 (5.41%) NoSQL
8 7 (4.73%) SQL Server 2016
8 7 (4.73%) SQL Server Analysis Services
9 6 (4.05%) Azure SQL Database
9 6 (4.05%) Big Data
9 6 (4.05%) SQL Server 2008
10 5 (3.38%) MarkLogic
11 4 (2.70%) MongoDB
11 4 (2.70%) Sybase ASE
12 3 (2.03%) QlikView
12 3 (2.03%) Siebel EIM
12 3 (2.03%) SQLite
13 2 (1.35%) PostgreSQL
Development Applications
1 24 (16.22%) Git (software)
2 21 (14.19%) Jenkins
3 16 (10.81%) Maven
4 14 (9.46%) JUnit
5 13 (8.78%) Team Foundation Server
6 12 (8.11%) JIRA
6 12 (8.11%) Mockito
7 10 (6.76%) Subversion
8 8 (5.41%) Selenium
9 7 (4.73%) Cucumber
9 7 (4.73%) NUnit
9 7 (4.73%) Visual Studio
10 6 (4.05%) webpack
11 5 (3.38%) Babel
11 5 (3.38%) SpecFlow
11 5 (3.38%) TeamCity
12 4 (2.70%) gulp
12 4 (2.70%) JIRA Agile
12 4 (2.70%) Moq
12 4 (2.70%) Octopus Deploy
General
1 64 (43.24%) Finance
2 52 (35.14%) Banking
3 29 (19.59%) Front Office
4 8 (5.41%) Investment Banking
5 7 (4.73%) Back Office
5 7 (4.73%) Financial Institution
6 6 (4.05%) Publishing
7 4 (2.70%) Marketing
8 3 (2.03%) Advertising
8 3 (2.03%) Law
8 3 (2.03%) Retail Banking
9 2 (1.35%) Digital Economy
9 2 (1.35%) Retail
10 1 (0.68%) Games
Job Titles
1 135 (91.22%) Developer
2 32 (21.62%) Senior Developer
3 27 (18.24%) Java Developer
4 22 (14.86%) .NET Developer
4 22 (14.86%) Python Developer
4 22 (14.86%) Senior Python Developer
5 21 (14.19%) C# Developer
6 13 (8.78%) JavaScript Developer
6 13 (8.78%) SQL Developer
7 9 (6.08%) C# .NET Developer
7 9 (6.08%) Full Stack Developer
8 8 (5.41%) Angular Developer
8 8 (5.41%) Senior Java Developer
9 7 (4.73%) ASP.NET Developer
9 7 (4.73%) Business Intelligence Developer
9 7 (4.73%) Front Office Developer
10 6 (4.05%) HTML Developer
10 6 (4.05%) iOS Developer
11 5 (3.38%) C# WPF Developer
11 5 (3.38%) WPF Developer
Libraries, Frameworks & Software Standards
1 41 (27.70%) .NET
2 37 (25.00%) HTML
3 28 (18.92%) CSS
3 28 (18.92%) Web Services
4 26 (17.57%) REST
5 24 (16.22%) AngularJS
6 23 (15.54%) XML
7 22 (14.86%) ASP.NET
8 21 (14.19%) RESTful
9 20 (13.51%) Spring
10 17 (11.49%) React
11 15 (10.14%) Node.js
11 15 (10.14%) SOAP
12 14 (9.46%) ASP.NET MVC
12 14 (9.46%) JSON
13 13 (8.78%) .NET Framework
14 12 (8.11%) ASP.NET Web API
14 12 (8.11%) HTML5
14 12 (8.11%) JMS
15 11 (7.43%) WCF
Miscellaneous
1 25 (16.89%) Derivative
2 17 (11.49%) Fixed Income
3 11 (7.43%) Foreign Exchange (FX)
3 11 (7.43%) Greenfield Project
4 10 (6.76%) Mobile App
4 10 (6.76%) User Experience
5 7 (4.73%) Computer Science
6 6 (4.05%) Analytical Skills
7 5 (3.38%) Data Structures
7 5 (3.38%) Fintech
7 5 (3.38%) RIA
8 4 (2.70%) Hedge funds
9 3 (2.03%) Algorithms
9 3 (2.03%) Credit Risk
9 3 (2.03%) Enterprise Software
10 2 (1.35%) Equities
10 2 (1.35%) Linked Data
10 2 (1.35%) Semantic Web
10 2 (1.35%) SWIFT
11 1 (0.68%) Social Gaming
Operating Systems
1 18 (12.16%) Linux
2 11 (7.43%) Unix
3 9 (6.08%) Apple iOS
4 5 (3.38%) Android
5 4 (2.70%) Solaris
6 2 (1.35%) Windows
7 1 (0.68%) SUSE
Processes & Methodologies
1 84 (56.76%) Agile Software Development
2 47 (31.76%) TDD
3 40 (27.03%) SDLC
4 28 (18.92%) Test Automation
5 26 (17.57%) BDD
5 26 (17.57%) Scrum
6 25 (16.89%) Continuous Integration
6 25 (16.89%) MVC
7 24 (16.22%) OO
8 17 (11.49%) Software Engineering
9 15 (10.14%) Asset Management
9 15 (10.14%) Front End Development
10 14 (9.46%) Open Source
11 13 (8.78%) E-Commerce
12 12 (8.11%) Low Latency
13 11 (7.43%) Web Development
14 10 (6.76%) DevOps
15 9 (6.08%) Business Intelligence
15 9 (6.08%) Pair Programming
15 9 (6.08%) Waterfall
Programming Languages
1 62 (41.89%) Java
2 46 (31.08%) JavaScript
2 46 (31.08%) SQL
3 43 (29.05%) C#
4 24 (16.22%) Python
5 22 (14.86%) VBA
6 13 (8.78%) T-SQL
7 8 (5.41%) ES6
8 7 (4.73%) TypeScript
9 6 (4.05%) Apple Swift
10 5 (3.38%) Objective-C
10 5 (3.38%) Scala
11 4 (2.70%) AWK
11 4 (2.70%) C++
11 4 (2.70%) Perl
11 4 (2.70%) PHP
11 4 (2.70%) Shell Script
12 3 (2.03%) Bash Shell
12 3 (2.03%) PL/SQL
12 3 (2.03%) STATISTICA Visual Basic
Qualifications
1 8 (5.41%) Degree
2 6 (4.05%) Computer Science Degree
3 3 (2.03%) SC Cleared
3 3 (2.03%) Security Cleared
3 3 (2.03%) Siebel Certification
4 1 (0.68%) ISEB
4 1 (0.68%) ISTQB Foundation Certification
4 1 (0.68%) Numerate Degree
Quality Assurance & Compliance
1 23 (15.54%) QA
2 4 (2.70%) MiFID
3 3 (2.03%) ISO/IEC 27001
4 1 (0.68%) Data Quality
System Software
1 8 (5.41%) Docker
Systems Management
1 4 (2.70%) Ansible
1 4 (2.70%) Oozie
2 2 (1.35%) Hadoop YARN
2 2 (1.35%) Puppet
3 1 (0.68%) BladeLogic
3 1 (0.68%) Kubernetes
3 1 (0.68%) Opscode Chef
3 1 (0.68%) Rancher
Vendors
1 21 (14.19%) Microsoft
2 7 (4.73%) TIBCO
3 6 (4.05%) DevExpress
4 5 (3.38%) Adobe
5 4 (2.70%) Misys
5 4 (2.70%) Sybase
6 3 (2.03%) Bloomberg
6 3 (2.03%) Reuters
6 3 (2.03%) Siebel
6 3 (2.03%) Typemock
7 2 (1.35%) Apigee
7 2 (1.35%) Atlassian
7 2 (1.35%) Coverity
7 2 (1.35%) Google
7 2 (1.35%) Infragistics
7 2 (1.35%) Oracle
8 1 (0.68%) PeopleSoft
8 1 (0.68%) Syncfusion
8 1 (0.68%) Telerik
8 1 (0.68%) Zend