Period
to 16 September 2019

The following table provides summary statistics for contract job vacancies advertised in Central 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 16 September 2019 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
London > Central London
6 months to
16 Sep 2019
Same period 2018 Same period 2017
Rank 122 108 111
Rank change year-on-year -14 +3 +9
Contract jobs citing Unit Testing 161 225 183
As % of all contract IT jobs advertised in Central London 2.02% 2.50% 2.30%
As % of the Processes & Methodologies category 2.23% 2.84% 2.57%
Number of daily rates quoted 102 174 143
Central London median daily rate £525 £500 £475
Median daily rate % change year-on-year +5.00% +5.26% -5.00%
10th Percentile £378 £381 £330
90th Percentile £675 £650 £635
London median daily rate £525 £525 £480
% change year-on-year - +9.38% +1.05%
Number of hourly rates quoted 0 0 0
Central London median hourly rate - - -
London median hourly rate - £150.00 £40.00
% change year-on-year - +275.00% -

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 Central London with a requirement for process or methodology skills.

All Process and Methodology Skills
Central London
Contract vacancies with a requirement for process or methodology skills 7,226 7,918 7,129
As % of all contract IT jobs advertised in Central London 90.51% 88.05% 89.47%
Number of daily rates quoted 5,625 6,161 5,451
Central London median daily rate £520 £500 £500
Median daily rate % change year-on-year +4.00% - +5.26%
10th Percentile £338 £325 £313
90th Percentile £675 £675 £675
London median daily rate £513 £500 £500
% change year-on-year +2.50% - +8.11%
Number of hourly rates quoted 81 113 73
Central London median hourly rate £20.00 £18.70 £19.00
Median hourly rate % change year-on-year +6.95% -1.58% -5.00%
10th Percentile £11.25 £13.23 £12.88
90th Percentile £51.25 £32.80 £31.35
London median hourly rate £23.03 £22.46 £23.38
% change year-on-year +2.55% -3.91% +7.89%

Unit Testing
Job Vacancy Trend in Central London

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

Job vacancy trend for Unit Testing in Central London

Unit Testing
Contractor Daily Rate Trend in Central London

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

Contractor daily rate trend for Unit Testing in Central London

Unit Testing
Contractor Daily Rate Histogram in Central London

The daily rate distribution of IT jobs citing Unit Testing in Central London over the 6 months to 16 September 2019.

Contractor daily rate histogram for Unit Testing in Central London

Unit Testing
Contractor Hourly Rate Trend in Central London

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

Contractor hourly rate trend for Unit Testing in Central London

Unit Testing
Contract Job Locations in Central London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Unit Testing within the Central London region over the 6 months to 16 September 2019. 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
City of London -2 126 £541 +3.13% 66
West End of London +25 7 £500 -20.00%
Kensington and Chelsea - 1 £325 -
Unit Testing
London

For the 6 months to 16 September 2019, IT contractor jobs citing Unit 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 Central London region with a requirement for Unit Testing.

1 106 (65.84%) Agile Software Development
2 71 (44.10%) Java
3 57 (35.40%) TDD
4 54 (33.54%) JavaScript
4 54 (33.54%) SQL
4 54 (33.54%) Microservices
5 53 (32.92%) Test Automation
6 51 (31.68%) Git (software)
7 50 (31.06%) Python
8 46 (28.57%) AWS
9 45 (27.95%) C#
10 43 (26.71%) REST
11 41 (25.47%) Finance
12 40 (24.84%) Scrum
13 37 (22.98%) Continuous Integration
14 36 (22.36%) Docker
15 35 (21.74%) RESTful
16 34 (21.12%) AngularJS
17 32 (19.88%) SDLC
17 32 (19.88%) HTML
17 32 (19.88%) .NET
18 31 (19.25%) CSS
19 29 (18.01%) Web Services
19 29 (18.01%) SQL Server
19 29 (18.01%) React
19 29 (18.01%) Azure
20 27 (16.77%) DevOps
21 26 (16.15%) Node.js
22 23 (14.29%) Continuous Improvement
22 23 (14.29%) OO

Unit Testing
Co-occurring IT Skills in Central 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 11 (6.83%) Confluence
2 7 (4.35%) ArcGIS
2 7 (4.35%) GeoServer
3 5 (3.11%) IIS
4 3 (1.86%) Adobe Experience Manager
4 3 (1.86%) CMS
4 3 (1.86%) Elasticsearch
4 3 (1.86%) Jupyter
5 2 (1.24%) Apache
5 2 (1.24%) Apache Solr
5 2 (1.24%) Apache Spark
5 2 (1.24%) BizTalk Server
5 2 (1.24%) Cloud Foundry
6 1 (0.62%) NServiceBus
6 1 (0.62%) SAS
6 1 (0.62%) WebSphere
Applications
1 2 (1.24%) Microsoft Excel
2 1 (0.62%) Microsoft Office
2 1 (0.62%) Microsoft PowerPoint
2 1 (0.62%) Photoshop
2 1 (0.62%) Sketch
Business Applications
1 3 (1.86%) Dynamics CRM
2 2 (1.24%) Distributed Ledger
3 1 (0.62%) Magento
3 1 (0.62%) Shopify
Cloud Services
1 46 (28.57%) AWS
2 29 (18.01%) Azure
3 19 (11.80%) Serverless
4 18 (11.18%) AWS Lambda
5 13 (8.07%) GitHub
6 9 (5.59%) Azure Functions
7 8 (4.97%) Cloud Computing
8 5 (3.11%) Office 365
9 4 (2.48%) GCP
9 4 (2.48%) npm
10 3 (1.86%) Amazon ECS
10 3 (1.86%) Dynamics 365
11 2 (1.24%) Amazon EC2
11 2 (1.24%) Apigee
11 2 (1.24%) AWS CloudFormation
11 2 (1.24%) Azure Active Directory
11 2 (1.24%) Google Play
11 2 (1.24%) Power Platform
11 2 (1.24%) SaaS
12 1 (0.62%) PaaS
Communications & Networking
1 3 (1.86%) DNS
2 1 (0.62%) HTTP
2 1 (0.62%) TCP/IP
Database & Business Intelligence
1 29 (18.01%) SQL Server
2 21 (13.04%) Relational Database
3 19 (11.80%) PostgreSQL
4 16 (9.94%) MySQL
5 14 (8.70%) MongoDB
6 7 (4.35%) Apache Cassandra
6 7 (4.35%) Couchbase
6 7 (4.35%) Geospatial Data
6 7 (4.35%) GIS
6 7 (4.35%) NoSQL
6 7 (4.35%) QGIS
6 7 (4.35%) SQL Server Integration Services
7 5 (3.11%) KDB
7 5 (3.11%) Kdb+
7 5 (3.11%) Redis
8 4 (2.48%) Amazon Redshift
8 4 (2.48%) Big Data
9 3 (1.86%) Jackrabbit
9 3 (1.86%) Oracle Database
9 3 (1.86%) SQL Server 2008
Development Applications
1 51 (31.68%) Git (software)
2 16 (9.94%) JIRA
3 15 (9.32%) Jenkins
4 14 (8.70%) Selenium
5 13 (8.07%) Maven
6 10 (6.21%) Team Foundation Server
6 10 (6.21%) TeamCity
7 9 (5.59%) Mocha
7 9 (5.59%) NUnit
7 9 (5.59%) Subversion
8 7 (4.35%) Gatling
8 7 (4.35%) MSTest
9 6 (3.73%) Octopus Deploy
10 5 (3.11%) Bitbucket
10 5 (3.11%) Cucumber
10 5 (3.11%) Jasmine
10 5 (3.11%) JUnit
10 5 (3.11%) Moq
10 5 (3.11%) SpecFlow
11 4 (2.48%) Rhino Mocks
General
1 41 (25.47%) Finance
2 22 (13.66%) Retail
3 16 (9.94%) Banking
4 11 (6.83%) Front Office
5 7 (4.35%) Back Office
6 6 (3.73%) Marketing
7 3 (1.86%) Legal
8 2 (1.24%) Financial Institution
8 2 (1.24%) Public Sector
9 1 (0.62%) Advertising
9 1 (0.62%) Investment Banking
9 1 (0.62%) Law
9 1 (0.62%) Prime Brokerage
9 1 (0.62%) Publishing
Job Titles
1 121 (75.16%) Developer
2 20 (12.42%) C# Developer
3 18 (11.18%) Java Developer
4 17 (10.56%) Senior Developer
5 15 (9.32%) .NET Developer
5 15 (9.32%) Full Stack Developer
6 14 (8.70%) Front End Developer (Client-Side Developer)
7 13 (8.07%) Python Developer
8 9 (5.59%) React Developer
9 7 (4.35%) Angular Developer
9 7 (4.35%) GIS Developer
9 7 (4.35%) Lead Developer
9 7 (4.35%) Software Engineer
10 6 (3.73%) JavaScript Developer
10 6 (3.73%) Senior .NET Developer
10 6 (3.73%) Senior Software Engineer
10 6 (3.73%) SQL Developer
11 5 (3.11%) C# .NET Developer
11 5 (3.11%) KDB Developer
12 4 (2.48%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 43 (26.71%) REST
2 35 (21.74%) RESTful
3 34 (21.12%) AngularJS
4 32 (19.88%) .NET
4 32 (19.88%) HTML
5 31 (19.25%) CSS
6 29 (18.01%) React
6 29 (18.01%) Web Services
7 26 (16.15%) Node.js
8 23 (14.29%) JSON
9 18 (11.18%) XML
10 16 (9.94%) Kafka
10 16 (9.94%) Redux
11 14 (8.70%) HTML5
12 13 (8.07%) Spring
13 12 (7.45%) Django
14 11 (6.83%) .NET Framework
14 11 (6.83%) Flask
15 10 (6.21%) .NET Core
16 9 (5.59%) Jest
Miscellaneous
1 11 (6.83%) Greenfield Project
1 11 (6.83%) User Experience
2 9 (5.59%) Derivative
2 9 (5.59%) Enterprise Software
3 8 (4.97%) Hedge funds
4 7 (4.35%) Equities
5 6 (3.73%) Data Structures
5 6 (3.73%) Fixed Income
5 6 (3.73%) Foreign Exchange (FX)
6 5 (3.11%) Algorithms
6 5 (3.11%) Cloud Native
7 4 (2.48%) Management Information System
7 4 (2.48%) Mobile App
8 3 (1.86%) Analytical Skills
8 3 (1.86%) iPad
9 2 (1.24%) Client/Server
9 2 (1.24%) Reference Data
9 2 (1.24%) Spread Betting
10 1 (0.62%) Clustering
10 1 (0.62%) Replication
Operating Systems
1 20 (12.42%) Linux
2 5 (3.11%) Windows
3 4 (2.48%) Android
3 4 (2.48%) CentOS
3 4 (2.48%) Red Hat Enterprise Linux
3 4 (2.48%) Unix
4 3 (1.86%) Apple iOS
5 2 (1.24%) Mac OS X
5 2 (1.24%) Mac OS X Server
5 2 (1.24%) Ubuntu
Processes & Methodologies
1 106 (65.84%) Agile Software Development
2 57 (35.40%) TDD
3 54 (33.54%) Microservices
4 53 (32.92%) Test Automation
5 40 (24.84%) Scrum
6 37 (22.98%) Continuous Integration
7 32 (19.88%) SDLC
8 27 (16.77%) DevOps
9 23 (14.29%) Continuous Improvement
9 23 (14.29%) OO
10 21 (13.04%) Multithreading
11 19 (11.80%) Front End Development
11 19 (11.80%) Software Engineering
12 17 (10.56%) Pair Programming
13 16 (9.94%) Continuous Delivery
13 16 (9.94%) SOA
14 15 (9.32%) Kanban
15 14 (8.70%) E-Commerce
15 14 (8.70%) Problem-Solving
16 13 (8.07%) Performance Tuning
Programming Languages
1 71 (44.10%) Java
2 54 (33.54%) JavaScript
2 54 (33.54%) SQL
3 50 (31.06%) Python
4 45 (27.95%) C#
5 17 (10.56%) TypeScript
6 10 (6.21%) ES6
6 10 (6.21%) Scala
7 9 (5.59%) Bash Shell
8 8 (4.97%) Shell Script
9 7 (4.35%) Go
10 6 (3.73%) C++
10 6 (3.73%) T-SQL
11 4 (2.48%) Java 8
11 4 (2.48%) PowerShell
11 4 (2.48%) R
12 3 (1.86%) Groovy
12 3 (1.86%) Perl
12 3 (1.86%) Ruby
13 2 (1.24%) AWK
Qualifications
1 16 (9.94%) Degree
2 11 (6.83%) Security Cleared
3 10 (6.21%) SC Cleared
4 4 (2.48%) Computer Science Degree
5 3 (1.86%) Master's Degree
6 1 (0.62%) SAFe Agilist
Quality Assurance & Compliance
1 17 (10.56%) QA
2 2 (1.24%) SLA
3 1 (0.62%) PCI DSS
System Software
1 36 (22.36%) Docker
2 2 (1.24%) VirtualBox
3 1 (0.62%) Active Directory
3 1 (0.62%) Apache Flume
3 1 (0.62%) Apache ZooKeeper
3 1 (0.62%) Virtual Machines
3 1 (0.62%) VMware ESXi
3 1 (0.62%) VMware Infrastructure
3 1 (0.62%) zsh
Systems Management
1 15 (9.32%) Terraform
2 6 (3.73%) Kubernetes
3 5 (3.11%) Ansible
4 2 (1.24%) Jamf Pro
4 2 (1.24%) Opscode Chef
4 2 (1.24%) Packer
4 2 (1.24%) Puppet
5 1 (0.62%) Automic
5 1 (0.62%) Docker Swarm
5 1 (0.62%) Hadoop YARN
5 1 (0.62%) Microsoft Intune
5 1 (0.62%) Norton AntiVirus
5 1 (0.62%) Single Sign-On
5 1 (0.62%) Symantec Endpoint Protection
Vendors
1 17 (10.56%) Oracle
2 16 (9.94%) Microsoft
3 10 (6.21%) Google
4 7 (4.35%) ESRI
5 4 (2.48%) Bloomberg
5 4 (2.48%) InterSystems
6 3 (1.86%) Adobe
6 3 (1.86%) Cypress Semiconductor
6 3 (1.86%) hybris
7 2 (1.24%) Apple
7 2 (1.24%) Citrix
7 2 (1.24%) Cloudera
7 2 (1.24%) IBM
7 2 (1.24%) Red Hat
7 2 (1.24%) Sencha
8 1 (0.62%) Alteryx
8 1 (0.62%) Datactics
8 1 (0.62%) MuleSoft
8 1 (0.62%) Palantir
8 1 (0.62%) Symantec