Period
to 20 January 2020

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 20 January 2020 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
20 Jan 2020
Same period 2019 Same period 2018
Rank 110 120 120
Rank change year-on-year +10 0 -19
Contract jobs citing Unit Testing 127 198 179
As % of all contract IT jobs advertised in Central London 2.03% 2.26% 2.07%
As % of the Processes & Methodologies category 2.30% 2.54% 2.32%
Number of daily rates quoted 99 144 142
Central London median daily rate £550 £513 £475
Median daily rate % change year-on-year +7.32% +7.89% -1.30%
10th Percentile £381 £387 £375
90th Percentile £723 £634 £673
London median daily rate £525 £525 £500
% change year-on-year - +5.00% +5.26%
Number of hourly rates quoted 1 0 0
Central London median hourly rate £63.33 - -
London median hourly rate £63.33 £35.00 -
% change year-on-year +80.94% - -

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 5,527 7,806 7,705
As % of all contract IT jobs advertised in Central London 88.42% 88.99% 89.05%
Number of daily rates quoted 4,180 5,970 6,033
Central London median daily rate £510 £513 £500
Median daily rate % change year-on-year -0.49% +2.50% +5.26%
10th Percentile £313 £313 £325
90th Percentile £675 £675 £675
London median daily rate £513 £511 £500
% change year-on-year +0.29% +2.20% +5.26%
Number of hourly rates quoted 70 81 77
Central London median hourly rate £21.00 £20.00 £20.50
Median hourly rate % change year-on-year +5.00% -2.44% +7.89%
10th Percentile £12.73 £13.00 £13.00
90th Percentile £52.25 £37.09 £37.35
London median hourly rate £25.00 £24.17 £22.02
% change year-on-year +3.43% +9.79% -6.99%

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 20 January 2020.

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 20 January 2020. 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 +16 100 £550 +4.76% 56
West End of London +37 3 £388 -40.38%
City of Westminster +7 3 £481 -8.33%
Southwark +42 1 £400 -30.43%
Unit Testing
London

For the 6 months to 20 January 2020, 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 79 (62.20%) Agile Software Development
2 56 (44.09%) Java
3 48 (37.80%) Test Automation
4 45 (35.43%) C#
5 44 (34.65%) TDD
6 40 (31.50%) Scrum
7 37 (29.13%) JavaScript
7 37 (29.13%) .NET
8 31 (24.41%) SQL
9 30 (23.62%) Azure
10 28 (22.05%) Finance
11 26 (20.47%) Microservices
12 25 (19.69%) Web Services
12 25 (19.69%) RESTful
12 25 (19.69%) Git (software)
13 23 (18.11%) OO
13 23 (18.11%) Python
14 22 (17.32%) CSS
14 22 (17.32%) Multithreading
14 22 (17.32%) Software Engineering
15 21 (16.54%) Continuous Integration
15 21 (16.54%) SQL Server
15 21 (16.54%) HTML
15 21 (16.54%) AngularJS
16 20 (15.75%) SDLC
17 19 (14.96%) React
17 19 (14.96%) AWS
18 18 (14.17%) Kanban
19 17 (13.39%) E-Commerce
19 17 (13.39%) TypeScript

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 7 (5.51%) CMS
2 6 (4.72%) Confluence
3 5 (3.94%) Adobe Experience Manager
3 5 (3.94%) Elasticsearch
4 3 (2.36%) IIS
4 3 (2.36%) Jupyter
5 2 (1.57%) Anypoint
5 2 (1.57%) Mule
5 2 (1.57%) Mule ESB
6 1 (0.79%) Apache Spark
6 1 (0.79%) Cloud Foundry
6 1 (0.79%) NServiceBus
6 1 (0.79%) SAS
6 1 (0.79%) WebSphere
Applications
1 2 (1.57%) Microsoft Office
2 1 (0.79%) Microsoft Excel
2 1 (0.79%) Microsoft PowerPoint
2 1 (0.79%) MS Visio
2 1 (0.79%) Photoshop
2 1 (0.79%) Sketch
Business Applications
1 1 (0.79%) Dynamics AX
1 1 (0.79%) Magento
1 1 (0.79%) Shopify
Cloud Services
1 30 (23.62%) Azure
2 19 (14.96%) AWS
3 8 (6.30%) Cloud Computing
4 5 (3.94%) npm
5 4 (3.15%) GitHub
5 4 (3.15%) Serverless
6 3 (2.36%) Amazon ECS
7 2 (1.57%) Amazon EKS
7 2 (1.57%) AWS Lambda
7 2 (1.57%) Azure Active Directory
7 2 (1.57%) GCP
7 2 (1.57%) Office 365
7 2 (1.57%) PaaS
7 2 (1.57%) SaaS
8 1 (0.79%) Amazon EC2
8 1 (0.79%) Amazon S3
8 1 (0.79%) Google Play
8 1 (0.79%) iPaaS
8 1 (0.79%) Power Platform
8 1 (0.79%) Smartsheet
Communications & Networking
1 1 (0.79%) DNS
1 1 (0.79%) HTTP
1 1 (0.79%) TCP/IP
Database & Business Intelligence
1 21 (16.54%) SQL Server
2 10 (7.87%) MySQL
3 9 (7.09%) MongoDB
4 8 (6.30%) KDB
4 8 (6.30%) Kdb+
5 6 (4.72%) NoSQL
5 6 (4.72%) Relational Database
6 5 (3.94%) Jackrabbit
6 5 (3.94%) PostgreSQL
7 4 (3.15%) Amazon Redshift
7 4 (3.15%) Azure SQL Database
7 4 (3.15%) Oracle Database
8 3 (2.36%) Cosmos DB
9 2 (1.57%) Data Lake
9 2 (1.57%) InterSystems Cache
9 2 (1.57%) SQL Server Integration Services
9 2 (1.57%) SQLite
10 1 (0.79%) Hadoop
10 1 (0.79%) SAS Enterprise Guide
10 1 (0.79%) SQL Server Analysis Services
Development Applications
1 25 (19.69%) Git (software)
2 13 (10.24%) TeamCity
3 12 (9.45%) Selenium
4 11 (8.66%) Maven
5 9 (7.09%) JIRA
6 8 (6.30%) Jenkins
7 7 (5.51%) Cucumber
8 6 (4.72%) JUnit
8 6 (4.72%) SpecFlow
8 6 (4.72%) Team Foundation Server
8 6 (4.72%) Visual Studio
9 5 (3.94%) JMeter
9 5 (3.94%) REST Assured
10 4 (3.15%) Atlassian Bamboo
10 4 (3.15%) Moq
10 4 (3.15%) Octopus Deploy
11 3 (2.36%) Bitbucket
11 3 (2.36%) Jasmine
11 3 (2.36%) Mocha
11 3 (2.36%) MSTest
General
1 28 (22.05%) Finance
2 15 (11.81%) Front Office
3 14 (11.02%) Banking
4 8 (6.30%) Back Office
5 6 (4.72%) Marketing
6 5 (3.94%) Retail
7 3 (2.36%) Law
8 2 (1.57%) Investment Banking
8 2 (1.57%) Public Sector
9 1 (0.79%) Advertising
9 1 (0.79%) Financial Institution
9 1 (0.79%) Games
9 1 (0.79%) Publishing
Job Titles
1 90 (70.87%) Developer
2 25 (19.69%) Senior Developer
3 23 (18.11%) C# Developer
4 15 (11.81%) Java Developer
5 11 (8.66%) .NET Developer
6 8 (6.30%) KDB Developer
7 7 (5.51%) Architect
7 7 (5.51%) Full Stack Developer
8 6 (4.72%) Lead Developer
8 6 (4.72%) React Developer
8 6 (4.72%) Senior .NET Developer
9 5 (3.94%) Angular Developer
9 5 (3.94%) C# .NET Developer
9 5 (3.94%) SQL Developer
9 5 (3.94%) Technical Architect
10 4 (3.15%) Analyst
10 4 (3.15%) Android Developer
10 4 (3.15%) Senior Java Developer
10 4 (3.15%) SQL Server Developer
10 4 (3.15%) Tester
Libraries, Frameworks & Software Standards
1 37 (29.13%) .NET
2 25 (19.69%) RESTful
2 25 (19.69%) Web Services
3 22 (17.32%) CSS
4 21 (16.54%) AngularJS
4 21 (16.54%) HTML
5 19 (14.96%) React
6 16 (12.60%) Node.js
7 11 (8.66%) .NET Core
7 11 (8.66%) REST
8 10 (7.87%) Spring
9 9 (7.09%) XML
10 8 (6.30%) .NET Framework
10 8 (6.30%) ASP.NET
10 8 (6.30%) HTML5
11 7 (5.51%) ASP.NET Web API
11 7 (5.51%) D3.js
11 7 (5.51%) JSON
11 7 (5.51%) Redux
12 6 (4.72%) Gherkin
Miscellaneous
1 14 (11.02%) Greenfield Project
1 14 (11.02%) User Experience
2 10 (7.87%) Foreign Exchange (FX)
3 9 (7.09%) Fixed Income
4 8 (6.30%) Hedge funds
5 7 (5.51%) iPad
6 4 (3.15%) Algorithms
6 4 (3.15%) Data Structures
7 3 (2.36%) Cloud Native
7 3 (2.36%) Derivative
7 3 (2.36%) Enterprise Software
7 3 (2.36%) Equities
7 3 (2.36%) Management Information System
8 2 (1.57%) Analytical Skills
8 2 (1.57%) Self-Motivation
9 1 (0.79%) Blog
9 1 (0.79%) iSeries
9 1 (0.79%) Mobile App
9 1 (0.79%) PACS
9 1 (0.79%) Reference Data
Operating Systems
1 9 (7.09%) Android
1 9 (7.09%) Apple iOS
1 9 (7.09%) Linux
2 4 (3.15%) Windows
3 2 (1.57%) CentOS
3 2 (1.57%) Mac OS X
3 2 (1.57%) Mac OS X Server
3 2 (1.57%) Red Hat Enterprise Linux
4 1 (0.79%) Unix
Processes & Methodologies
1 79 (62.20%) Agile Software Development
2 48 (37.80%) Test Automation
3 44 (34.65%) TDD
4 40 (31.50%) Scrum
5 26 (20.47%) Microservices
6 23 (18.11%) OO
7 22 (17.32%) Multithreading
7 22 (17.32%) Software Engineering
8 21 (16.54%) Continuous Integration
9 20 (15.75%) SDLC
10 18 (14.17%) Kanban
11 17 (13.39%) E-Commerce
12 15 (11.81%) Analytics
12 15 (11.81%) BDD
12 15 (11.81%) OOP
12 15 (11.81%) Problem-Solving
13 14 (11.02%) DevOps
13 14 (11.02%) MVC
14 13 (10.24%) Visualisation
15 12 (9.45%) Computer Science
Programming Languages
1 56 (44.09%) Java
2 45 (35.43%) C#
3 37 (29.13%) JavaScript
4 31 (24.41%) SQL
5 23 (18.11%) Python
6 17 (13.39%) TypeScript
7 9 (7.09%) Scala
8 8 (6.30%) C++
9 6 (4.72%) Java 8
10 5 (3.94%) Groovy
10 5 (3.94%) T-SQL
11 4 (3.15%) Bash Shell
11 4 (3.15%) ES6
11 4 (3.15%) R
12 3 (2.36%) Apple Swift
12 3 (2.36%) Kotlin
12 3 (2.36%) Perl
12 3 (2.36%) PHP
13 2 (1.57%) PowerShell
13 2 (1.57%) XAML
Qualifications
1 16 (12.60%) Degree
2 7 (5.51%) SC Cleared
2 7 (5.51%) Security Cleared
3 6 (4.72%) Computer Science Degree
4 5 (3.94%) Master's Degree
5 1 (0.79%) CTC Cleared
5 1 (0.79%) MCP
Quality Assurance & Compliance
1 15 (11.81%) QA
2 2 (1.57%) SLA
3 1 (0.79%) DICOM
3 1 (0.79%) HL7
3 1 (0.79%) PCI DSS
System Software
1 15 (11.81%) Docker
2 2 (1.57%) VirtualBox
3 1 (0.79%) Active Directory
3 1 (0.79%) Virtual Machines
3 1 (0.79%) VMware ESXi
3 1 (0.79%) VMware Infrastructure
Systems Management
1 12 (9.45%) Terraform
2 7 (5.51%) Kubernetes
3 4 (3.15%) Ansible
4 2 (1.57%) Jamf Pro
5 1 (0.79%) Docker Swarm
5 1 (0.79%) Microsoft Intune
5 1 (0.79%) Norton AntiVirus
5 1 (0.79%) Single Sign-On
5 1 (0.79%) Symantec Endpoint Protection
Vendors
1 14 (11.02%) Microsoft
2 9 (7.09%) Oracle
3 5 (3.94%) Adobe
4 4 (3.15%) Apple
4 4 (3.15%) Atlassian
4 4 (3.15%) Google
5 3 (2.36%) IBM
5 3 (2.36%) MuleSoft
6 2 (1.57%) Citrix
6 2 (1.57%) InterSystems
6 2 (1.57%) Red Hat
6 2 (1.57%) Xamarin
7 1 (0.79%) Alteryx
7 1 (0.79%) hybris
7 1 (0.79%) Informatica
7 1 (0.79%) Palantir
7 1 (0.79%) Sencha
7 1 (0.79%) Symantec
7 1 (0.79%) Typemock
7 1 (0.79%) VMware