Period
to 20 July 2019

The following table provides summary statistics for contract job vacancies advertised in 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 July 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
England > London
6 months to
20 Jul 2019
Same period 2018 Same period 2017
Rank 139 111 145
Rank change year-on-year -28 +34 -2
Contract jobs citing Unit Testing 864 1,180 782
As % of all contract IT jobs advertised in London 2.10% 2.54% 1.87%
As % of the Processes & Methodologies category 2.37% 2.88% 2.13%
Number of daily rates quoted 628 880 571
London median daily rate £525 £511 £493
Median daily rate % change year-on-year +2.69% +3.81% +3.68%
10th Percentile £400 £375 £350
90th Percentile £675 £650 £638
England median daily rate £480 £475 £425
% change year-on-year +1.05% +11.76% -
Number of hourly rates quoted 2 2 8
London median hourly rate £56.00 £150.00 £45.63
Median hourly rate % change year-on-year -62.67% +228.77% +40.38%
10th Percentile £55.50 £135.00 £31.25
90th Percentile £56.50 £165.00 £57.50
England median hourly rate £43.00 £49.50 £42.50
% change year-on-year -13.13% +16.47% -1.16%

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 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 36,529 41,034 36,776
As % of all contract IT jobs advertised in London 88.83% 88.25% 87.76%
Number of daily rates quoted 26,146 29,760 26,258
London median daily rate £520 £500 £488
Median daily rate % change year-on-year +4.00% +2.56% +5.41%
10th Percentile £340 £325 £313
90th Percentile £688 £675 £656
England median daily rate £475 £463 £450
% change year-on-year +2.70% +2.78% +5.88%
Number of hourly rates quoted 432 563 398
London median hourly rate £24.71 £25.00 £23.88
Median hourly rate % change year-on-year -1.17% +4.71% +12.99%
10th Percentile £12.75 £14.00 £12.78
90th Percentile £54.95 £53.75 £52.15
England median hourly rate £25.00 £22.50 £24.49
% change year-on-year +11.11% -8.14% +4.22%

Unit Testing
Job Vacancy Trend in London

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

Job vacancy trend for Unit Testing in London

Unit Testing
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Unit Testing in London

Unit Testing
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Unit Testing in London over the 6 months to 20 July 2019.

Contractor daily rate histogram for Unit Testing in London

Unit Testing
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for Unit Testing in London

Unit 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 Unit Testing within the London region over the 6 months to 20 July 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
Central London -24 167 £513 +2.50% 82
West London +5 44 £463 -8.64% 33
South London +30 30 £425 -10.53% 2
East London -15 5 £575 - 21
Unit Testing
England

For the 6 months to 20 July 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 London region with a requirement for Unit Testing.

1 514 (59.49%) Agile Software Development
2 343 (39.70%) TDD
3 314 (36.34%) C#
4 299 (34.61%) .NET
5 270 (31.25%) JavaScript
6 229 (26.50%) Java
7 219 (25.35%) SQL
8 201 (23.26%) Git (software)
9 197 (22.80%) AngularJS
10 195 (22.57%) Finance
11 191 (22.11%) Scrum
12 185 (21.41%) Test Automation
13 184 (21.30%) Continuous Integration
14 182 (21.06%) HTML
15 177 (20.49%) CSS
16 175 (20.25%) React
17 158 (18.29%) Microservices
18 155 (17.94%) SQL Server
19 151 (17.48%) REST
20 136 (15.74%) Web Services
21 135 (15.63%) Python
22 133 (15.39%) MVC
22 133 (15.39%) Node.js
23 127 (14.70%) Microsoft Azure
24 119 (13.77%) Software Engineering
25 115 (13.31%) RESTful
26 114 (13.19%) ASP.NET Web API
27 111 (12.85%) Banking
28 109 (12.62%) Amazon AWS
28 109 (12.62%) DevOps

Unit 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 33 (3.82%) Confluence
2 29 (3.36%) Apache
3 26 (3.01%) IIS
4 18 (2.08%) Elasticsearch
5 14 (1.62%) Drupal
6 13 (1.50%) Ethereum
6 13 (1.50%) Hyperledger
7 12 (1.39%) ArcGIS
8 11 (1.27%) GeoServer
8 11 (1.27%) WebSphere
9 8 (0.93%) CMS
10 7 (0.81%) Apache Spark
10 7 (0.81%) NServiceBus
11 6 (0.69%) Apache Solr
11 6 (0.69%) Jetty
11 6 (0.69%) Oracle SOA Suite
11 6 (0.69%) Tomcat
12 5 (0.58%) Adobe Experience Manager
12 5 (0.58%) nginx
13 4 (0.46%) Cloud Foundry
Applications
1 8 (0.93%) Photoshop
2 5 (0.58%) Sketch
3 1 (0.12%) Chatbot
3 1 (0.12%) GIMP
3 1 (0.12%) Microsoft Excel
3 1 (0.12%) Microsoft Office
3 1 (0.12%) Microsoft PowerPoint
Business Applications
1 20 (2.31%) Endur
2 15 (1.74%) Distributed Ledger
3 13 (1.50%) R3 Corda
4 7 (0.81%) Magento
5 6 (0.69%) Dynamics CRM
6 4 (0.46%) Shopify
7 2 (0.23%) NetSuite
7 2 (0.23%) SAP CO
7 2 (0.23%) SAP FI
7 2 (0.23%) SAP FI/CO
7 2 (0.23%) SAP Hybris
7 2 (0.23%) Workday HCM
8 1 (0.12%) Fredhopper
8 1 (0.12%) Oracle BPM
8 1 (0.12%) Oracle EBS
8 1 (0.12%) Payment Gateway
8 1 (0.12%) Siebel CRM
Cloud Services
1 127 (14.70%) Microsoft Azure
2 109 (12.62%) Amazon AWS
3 37 (4.28%) Serverless
4 31 (3.59%) AWS Lambda
5 27 (3.13%) GitHub
6 23 (2.66%) Google Cloud Platform
7 18 (2.08%) npm
8 17 (1.97%) Cloud Computing
9 16 (1.85%) SaaS
10 14 (1.62%) Power Platform
11 13 (1.50%) AWS CloudFormation
11 13 (1.50%) Sauce Labs
12 12 (1.39%) PaaS
13 10 (1.16%) Azure Functions
13 10 (1.16%) IaaS
14 8 (0.93%) Amazon EC2
15 6 (0.69%) Amazon S3
15 6 (0.69%) Amazon SQS
16 5 (0.58%) Office 365
17 4 (0.46%) Azure Data Factory
Communications & Networking
1 35 (4.05%) HTTP
2 23 (2.66%) TCP/IP
3 14 (1.62%) Internet
4 12 (1.39%) IPFS
4 12 (1.39%) Peer-to-Peer Networking
5 4 (0.46%) DNS
6 3 (0.35%) AMQP
6 3 (0.35%) Bluetooth
6 3 (0.35%) NFC
7 1 (0.12%) Firewall
7 1 (0.12%) FIX Connectivity
7 1 (0.12%) FTP
7 1 (0.12%) HTTPS
7 1 (0.12%) Reverse Proxy
7 1 (0.12%) SMTP
7 1 (0.12%) SSH
7 1 (0.12%) SSL
Database & Business Intelligence
1 155 (17.94%) SQL Server
2 56 (6.48%) Relational Database
3 38 (4.40%) NoSQL
4 36 (4.17%) SQL Server Integration Services
5 32 (3.70%) Data Warehouse
5 32 (3.70%) MongoDB
6 28 (3.24%) MySQL
7 26 (3.01%) Big Data
8 25 (2.89%) PostgreSQL
9 24 (2.78%) Apache Cassandra
10 18 (2.08%) RDBMS
11 16 (1.85%) Amazon DynamoDB
11 16 (1.85%) Azure SQL Database
11 16 (1.85%) Blockchain
12 14 (1.62%) Power BI
13 13 (1.50%) Redis
13 13 (1.50%) SQL Server 2008
14 12 (1.39%) Couchbase
14 12 (1.39%) GIS
14 12 (1.39%) Star Schema
Development Applications
1 201 (23.26%) Git (software)
2 90 (10.42%) Jenkins
3 76 (8.80%) Selenium
4 74 (8.56%) JIRA
5 63 (7.29%) TeamCity
6 56 (6.48%) JUnit
7 53 (6.13%) Maven
8 44 (5.09%) Octopus Deploy
9 39 (4.51%) Subversion
10 38 (4.40%) Mocha
10 38 (4.40%) Team Foundation Server
11 37 (4.28%) Visual Studio
12 36 (4.17%) Mockito
13 30 (3.47%) Cucumber
13 30 (3.47%) Jasmine
14 29 (3.36%) webpack
15 28 (3.24%) NUnit
16 27 (3.13%) Bitbucket
17 15 (1.74%) gulp
17 15 (1.74%) Visual Studio Team System
General
1 195 (22.57%) Finance
2 111 (12.85%) Banking
3 68 (7.87%) Front Office
4 52 (6.02%) Retail
5 34 (3.94%) Investment Banking
6 19 (2.20%) Marketing
7 11 (1.27%) Advertising
7 11 (1.27%) Financial Institution
7 11 (1.27%) Legal
8 8 (0.93%) Games
9 7 (0.81%) Back Office
9 7 (0.81%) Retail Banking
9 7 (0.81%) Telecoms
10 6 (0.69%) Manufacturing
11 5 (0.58%) Law
12 4 (0.46%) Electronics
12 4 (0.46%) Publishing
13 3 (0.35%) Prime Brokerage
14 2 (0.23%) General Ledger
15 1 (0.12%) Automotive
Job Titles
1 694 (80.32%) Developer
2 148 (17.13%) .NET Developer
3 119 (13.77%) C# Developer
4 92 (10.65%) Java Developer
5 75 (8.68%) Senior Developer
6 70 (8.10%) Full Stack Developer
7 55 (6.37%) C# .NET Developer
7 55 (6.37%) Front End Developer (Client-Side Developer)
8 54 (6.25%) React Developer
9 41 (4.75%) Angular Developer
10 38 (4.40%) Python Developer
11 34 (3.94%) Lead Developer
12 31 (3.59%) JavaScript Developer
13 29 (3.36%) Scala Developer
14 26 (3.01%) AWS Developer
15 25 (2.89%) Software Developer
16 23 (2.66%) iOS Developer
17 22 (2.55%) ASP.NET MVC Developer
17 22 (2.55%) Senior .NET Developer
17 22 (2.55%) SQL Developer
Libraries, Frameworks & Software Standards
1 299 (34.61%) .NET
2 197 (22.80%) AngularJS
3 182 (21.06%) HTML
4 177 (20.49%) CSS
5 175 (20.25%) React
6 151 (17.48%) REST
7 136 (15.74%) Web Services
8 133 (15.39%) Node.js
9 115 (13.31%) RESTful
10 114 (13.19%) ASP.NET Web API
11 94 (10.88%) HTML5
12 86 (9.95%) ASP.NET
13 75 (8.68%) .NET Core
14 73 (8.45%) .NET Framework
14 73 (8.45%) JSON
15 68 (7.87%) Spring
16 62 (7.18%) Redux
16 62 (7.18%) XML
17 56 (6.48%) Angular 2
18 53 (6.13%) CSS3
Miscellaneous
1 85 (9.84%) Greenfield Project
2 57 (6.60%) User Experience
3 45 (5.21%) Analytical Skills
4 44 (5.09%) Derivative
5 32 (3.70%) Enterprise Software
6 31 (3.59%) Equities
6 31 (3.59%) Self-Motivation
7 30 (3.47%) Foreign Exchange (FX)
7 30 (3.47%) Hedge funds
8 27 (3.13%) Algorithms
9 26 (3.01%) Mobile App
10 24 (2.78%) Data Structures
11 20 (2.31%) Linux Command Line
12 19 (2.20%) Fixed Income
13 13 (1.50%) Bitcoin
14 12 (1.39%) Reinsurance
15 11 (1.27%) Client/Server
16 10 (1.16%) Cloud Native
16 10 (1.16%) Mainframe
16 10 (1.16%) Smartphone
Operating Systems
1 92 (10.65%) Linux
2 46 (5.32%) Windows
3 38 (4.40%) Unix
4 33 (3.82%) Apple iOS
5 20 (2.31%) Android
6 12 (1.39%) Mac OS
7 4 (0.46%) CentOS
7 4 (0.46%) Red Hat Enterprise Linux
7 4 (0.46%) Ubuntu
8 1 (0.12%) tvOS
Processes & Methodologies
1 514 (59.49%) Agile Software Development
2 343 (39.70%) TDD
3 191 (22.11%) Scrum
4 185 (21.41%) Test Automation
5 184 (21.30%) Continuous Integration
6 158 (18.29%) Microservices
7 133 (15.39%) MVC
8 119 (13.77%) Software Engineering
9 109 (12.62%) DevOps
10 107 (12.38%) BDD
11 98 (11.34%) SDLC
12 93 (10.76%) Problem-Solving
13 92 (10.65%) Pair Programming
14 80 (9.26%) Front End Development
15 64 (7.41%) Multithreading
16 63 (7.29%) OO
16 63 (7.29%) SOLID
17 60 (6.94%) Migration
17 60 (6.94%) SOA
18 58 (6.71%) Release Management
Programming Languages
1 314 (36.34%) C#
2 270 (31.25%) JavaScript
3 229 (26.50%) Java
4 219 (25.35%) SQL
5 135 (15.63%) Python
6 69 (7.99%) TypeScript
7 45 (5.21%) Scala
7 45 (5.21%) VB.NET
8 39 (4.51%) PHP
9 37 (4.28%) ES6
10 32 (3.70%) Bash Shell
11 30 (3.47%) C++
12 28 (3.24%) T-SQL
13 25 (2.89%) Java 8
14 24 (2.78%) Apple Swift
15 18 (2.08%) PowerShell
15 18 (2.08%) Ruby
16 16 (1.85%) Objective-C
17 15 (1.74%) Go
18 12 (1.39%) Shell Script
Qualifications
1 62 (7.18%) Degree
2 29 (3.36%) Security Cleared
3 26 (3.01%) SC Cleared
4 9 (1.04%) Computer Science Degree
5 6 (0.69%) BPSS Clearance
5 6 (0.69%) DBS Check
6 4 (0.46%) CTC Cleared
7 3 (0.35%) AWS Certification
7 3 (0.35%) Master's Degree
8 1 (0.12%) CFA
8 1 (0.12%) Postgraduate
8 1 (0.12%) SAFe Agilist
Quality Assurance & Compliance
1 87 (10.07%) QA
2 4 (0.46%) Disclosure Scotland
3 3 (0.35%) PCI DSS
4 1 (0.12%) GAAP
4 1 (0.12%) HL7
4 1 (0.12%) PMO
4 1 (0.12%) PSD2
4 1 (0.12%) Solvency II
System Software
1 91 (10.53%) Docker
2 4 (0.46%) Apache Flume
3 3 (0.35%) Apache ZooKeeper
3 3 (0.35%) Virtual Machines
4 1 (0.12%) zsh
Systems Management
1 24 (2.78%) Kubernetes
2 23 (2.66%) Terraform
3 11 (1.27%) Ansible
4 8 (0.93%) Opscode Chef
5 6 (0.69%) Puppet
6 5 (0.58%) Hadoop YARN
6 5 (0.58%) Rundeck
6 5 (0.58%) Single Sign-On
7 4 (0.46%) Packer
8 3 (0.35%) Kibana
9 1 (0.12%) Apache Slider
9 1 (0.12%) Automic
9 1 (0.12%) Docker Swarm
9 1 (0.12%) HAProxy
9 1 (0.12%) HP ALM
9 1 (0.12%) Icinga
9 1 (0.12%) Ionix
Vendors
1 86 (9.95%) Microsoft
2 53 (6.13%) Oracle
3 28 (3.24%) Google
4 20 (2.31%) OpenLink
5 19 (2.20%) SAP
6 17 (1.97%) hybris
7 13 (1.50%) Sitecore
7 13 (1.50%) Splunk
8 12 (1.39%) IBM
9 11 (1.27%) ESRI
9 11 (1.27%) Roku
10 10 (1.16%) Pega
11 9 (1.04%) Atlassian
11 9 (1.04%) InterSystems
12 8 (0.93%) Perfecto Mobile
12 8 (0.93%) Telerik
13 7 (0.81%) Cypress Semiconductor
13 7 (0.81%) Talend
14 6 (0.69%) Sencha
14 6 (0.69%) Sybase