Period
to 15 October 2019

The following table provides summary statistics for contract job vacancies advertised in the South East with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 15 October 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.

Test-Driven Development (TDD)
England > South East
6 months to
15 Oct 2019
Same period 2018 Same period 2017
Rank 51 36 35
Rank change year-on-year -15 -1 +12
Contract jobs citing TDD 601 961 887
As % of all contract IT jobs advertised in the South East 4.32% 5.84% 5.49%
As % of the Processes & Methodologies category 4.99% 6.75% 6.48%
Number of daily rates quoted 355 707 631
South East median daily rate £450 £475 £425
Median daily rate % change year-on-year -5.26% +11.76% -2.86%
10th Percentile £350 £350 £326
90th Percentile £585 £575 £580
England median daily rate £525 £500 £488
% change year-on-year +5.00% +2.56% +8.33%
Number of hourly rates quoted 0 10 16
South East median hourly rate - £41.50 £45.00
Median hourly rate % change year-on-year - -7.78% +12.50%
England median hourly rate £40.37 £41.50 £45.00
% change year-on-year -2.73% -7.78% +9.09%

TDD 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 South East with a requirement for process or methodology skills.

All Process and Methodology Skills
South East
Contract vacancies with a requirement for process or methodology skills 12,044 14,242 13,683
As % of all contract IT jobs advertised in the South East 86.51% 86.59% 84.76%
Number of daily rates quoted 7,122 8,553 8,143
South East median daily rate £450 £430 £425
Median daily rate % change year-on-year +4.65% +1.18% +6.25%
10th Percentile £275 £275 £260
90th Percentile £609 £588 £575
England median daily rate £475 £470 £450
% change year-on-year +1.06% +4.44% +5.88%
Number of hourly rates quoted 479 510 473
South East median hourly rate £31.50 £27.00 £22.50
Median hourly rate % change year-on-year +16.67% +20.00% -
10th Percentile £13.04 £11.50 £11.28
90th Percentile £71.25 £51.03 £49.90
England median hourly rate £24.00 £20.50 £25.00
% change year-on-year +17.07% -18.00% +11.11%

TDD
Job Vacancy Trend in the South East

Job postings citing TDD as a percentage of all IT jobs advertised in the South East.

Job vacancy trend for TDD in the South East

TDD
Contractor Daily Rate Trend in the South East

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing TDD in the South East.

Contractor daily rate trend for TDD in the South East

TDD
Contractor Daily Rate Histogram in the South East

The daily rate distribution of IT jobs citing TDD in the South East over the 6 months to 15 October 2019.

Contractor daily rate histogram for TDD in the South East

TDD
Contractor Hourly Rate Trend in the South East

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing TDD in the South East.

Contractor hourly rate trend for TDD in the South East

TDD
Contract Job Locations in the South East

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the South East region over the 6 months to 15 October 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
Thames Valley -12 210 £450 +5.88% 90
Hampshire -19 159 £475 -5.05% 63
Surrey -14 114 £503 +0.50% 37
Berkshire -30 106 £450 +7.14% 44
Buckinghamshire -9 70 £438 -2.78% 21
West Sussex +11 58 £425 -1.45% 18
Oxfordshire +28 34 £475 +5.56% 25
Kent -12 29 £475 +11.76% 25
East Sussex -3 28 £400 -3.03% 13
Sussex -2 2 - -
TDD
England

For the 6 months to 15 October 2019, IT contractor jobs citing TDD 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 South East region with a requirement for TDD.

1 434 (72.21%) Agile Software Development
2 241 (40.10%) C#
3 235 (39.10%) .NET
4 223 (37.10%) JavaScript
5 219 (36.44%) BDD
6 181 (30.12%) Java
7 169 (28.12%) Scrum
8 165 (27.45%) HTML
8 165 (27.45%) Git (software)
8 165 (27.45%) AngularJS
9 160 (26.62%) Continuous Integration
10 155 (25.79%) CSS
11 149 (24.79%) Azure
12 138 (22.96%) SQL Server
13 133 (22.13%) ASP.NET
14 129 (21.46%) Test Automation
15 113 (18.80%) Spring
16 108 (17.97%) SQL
17 107 (17.80%) RESTful
18 103 (17.14%) DevOps
18 103 (17.14%) React
19 97 (16.14%) Jenkins
20 95 (15.81%) Microsoft
21 90 (14.98%) .NET Core
22 88 (14.64%) Microservices
23 83 (13.81%) Python
24 82 (13.64%) AWS
24 82 (13.64%) HTML5
25 81 (13.48%) .NET Framework
25 81 (13.48%) MVC

TDD
Co-occurring IT Skills in the South East 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 39 (6.49%) Confluence
2 16 (2.66%) Apache
3 15 (2.50%) CMS
3 15 (2.50%) Elasticsearch
4 14 (2.33%) Apache Spark
5 8 (1.33%) Cloud Foundry
5 8 (1.33%) Tomcat
6 6 (1.00%) JBoss
6 6 (1.00%) SharePoint
7 5 (0.83%) BizTalk Server
7 5 (0.83%) Oracle SOA Suite
8 4 (0.67%) ColdFusion
8 4 (0.67%) EPiServer
8 4 (0.67%) Jetty
8 4 (0.67%) NServiceBus
8 4 (0.67%) OpenStack
8 4 (0.67%) WebLogic
9 3 (0.50%) IIS
9 3 (0.50%) nginx
10 2 (0.33%) Apache Solr
Applications
1 4 (0.67%) Microsoft Office
2 3 (0.50%) Microsoft Excel
2 3 (0.50%) Microsoft PowerPoint
3 1 (0.17%) OmniGraffle
Business Applications
1 4 (0.67%) Dynamics CRM
2 1 (0.17%) Cognos Business Intelligence
2 1 (0.17%) Dynamics AX
Cloud Services
1 149 (24.79%) Azure
2 82 (13.64%) AWS
3 28 (4.66%) GitHub
4 26 (4.33%) Serverless
5 23 (3.83%) PaaS
6 19 (3.16%) Azure Functions
7 17 (2.83%) Azure Active Directory
8 15 (2.50%) GCP
9 13 (2.16%) OpenShift
10 11 (1.83%) npm
11 9 (1.50%) Cloud Computing
12 8 (1.33%) TestFlight
13 7 (1.16%) Dynamics 365
14 5 (0.83%) Amazon EC2
14 5 (0.83%) AWS Lambda
15 4 (0.67%) Amazon SQS
15 4 (0.67%) Azure Data Factory
15 4 (0.67%) Datadog
15 4 (0.67%) Heroku
16 3 (0.50%) Power Platform
Communications & Networking
1 18 (3.00%) HTTP
2 10 (1.66%) DNS
3 7 (1.16%) TCP/IP
4 6 (1.00%) FTP
5 4 (0.67%) AMQP
5 4 (0.67%) Firewall
5 4 (0.67%) SSL
6 3 (0.50%) H.323
6 3 (0.50%) Internet
6 3 (0.50%) OpenLDAP
6 3 (0.50%) Skype
7 2 (0.33%) MQTT
7 2 (0.33%) Reverse Proxy
8 1 (0.17%) 2G
8 1 (0.17%) 3G
8 1 (0.17%) 4G
8 1 (0.17%) Cisco Nexus
8 1 (0.17%) Radio Access Network
8 1 (0.17%) RNC
8 1 (0.17%) SIGTRAN
Database & Business Intelligence
1 138 (22.96%) SQL Server
2 42 (6.99%) Relational Database
3 30 (4.99%) NoSQL
4 29 (4.83%) MySQL
5 24 (3.99%) MongoDB
6 23 (3.83%) Cosmos DB
7 17 (2.83%) Azure SQL Database
7 17 (2.83%) Big Data
8 16 (2.66%) PostgreSQL
9 15 (2.50%) Hadoop
10 10 (1.66%) SQLite
11 9 (1.50%) Data Warehouse
12 5 (0.83%) Data Lake
13 4 (0.67%) Azure SQL Data Warehouse
13 4 (0.67%) HBase
13 4 (0.67%) Oracle Database
13 4 (0.67%) RDBMS
13 4 (0.67%) Redis
13 4 (0.67%) SQL Server 2016
13 4 (0.67%) SQL Server Analysis Services
Development Applications
1 165 (27.45%) Git (software)
2 97 (16.14%) Jenkins
3 69 (11.48%) JIRA
3 69 (11.48%) Selenium
4 37 (6.16%) Cucumber
4 37 (6.16%) Maven
4 37 (6.16%) TeamCity
5 36 (5.99%) Team Foundation Server
6 32 (5.32%) Bitbucket
7 28 (4.66%) IntelliJ
8 25 (4.16%) webpack
9 21 (3.49%) JUnit
10 17 (2.83%) Eclipse
10 17 (2.83%) Sonatype Nexus
11 15 (2.50%) Visual Studio Team System
12 14 (2.33%) Subversion
13 13 (2.16%) Mockito
13 13 (2.16%) NUnit
14 12 (2.00%) JMeter
14 12 (2.00%) SonarQube
General
1 75 (12.48%) Finance
2 45 (7.49%) Banking
3 13 (2.16%) Telecoms
4 12 (2.00%) Games
5 11 (1.83%) Retail
6 7 (1.16%) Law
7 6 (1.00%) Investment Banking
8 5 (0.83%) Financial Institution
8 5 (0.83%) Public Sector
8 5 (0.83%) Publishing
9 4 (0.67%) Local Government
9 4 (0.67%) Manufacturing
9 4 (0.67%) Military
10 3 (0.50%) Automotive
10 3 (0.50%) Front Office
11 2 (0.33%) Advertising
11 2 (0.33%) Electronics
11 2 (0.33%) Marketing
11 2 (0.33%) Pharmaceutical
12 1 (0.17%) International Banking
Job Titles
1 418 (69.55%) Developer
2 108 (17.97%) .NET Developer
3 98 (16.31%) Java Developer
4 66 (10.98%) C# Developer
5 65 (10.82%) Full Stack Developer
6 45 (7.49%) Senior Developer
7 42 (6.99%) C# .NET Developer
8 39 (6.49%) Angular Developer
9 35 (5.82%) JavaScript Developer
10 32 (5.32%) Software Developer
10 32 (5.32%) Software Engineer
11 27 (4.49%) Front End Developer (Client-Side Developer)
12 24 (3.99%) React Developer
13 23 (3.83%) Scrum Master
14 21 (3.49%) Tester
15 19 (3.16%) Python Developer
16 17 (2.83%) Technical Leader
17 16 (2.66%) Scala Developer
17 16 (2.66%) Senior .NET Developer
17 16 (2.66%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 235 (39.10%) .NET
2 165 (27.45%) AngularJS
2 165 (27.45%) HTML
3 155 (25.79%) CSS
4 133 (22.13%) ASP.NET
5 113 (18.80%) Spring
6 107 (17.80%) RESTful
7 103 (17.14%) React
8 90 (14.98%) .NET Core
9 82 (13.64%) HTML5
10 81 (13.48%) .NET Framework
11 78 (12.98%) Web Services
12 73 (12.15%) ASP.NET Web API
12 73 (12.15%) Node.js
13 68 (11.31%) JSON
14 66 (10.98%) REST
15 52 (8.65%) ASP.NET MVC
16 49 (8.15%) Entity Framework
17 48 (7.99%) Sass
17 48 (7.99%) XML
Miscellaneous
1 42 (6.99%) Greenfield Project
2 34 (5.66%) Enterprise Software
3 26 (4.33%) Analytical Skills
4 20 (3.33%) Linux Command Line
5 19 (3.16%) Mobile App
6 18 (3.00%) Self-Motivation
7 17 (2.83%) User Experience
8 13 (2.16%) Algorithms
9 8 (1.33%) Smart City
10 7 (1.16%) Life Science
11 5 (0.83%) Smartphone
12 4 (0.67%) Client/Server
12 4 (0.67%) Cloud Native
12 4 (0.67%) Replication
13 3 (0.50%) Video Conferencing
14 2 (0.33%) Blog
14 2 (0.33%) Grid Computing
14 2 (0.33%) Management Information System
14 2 (0.33%) SWIFT
14 2 (0.33%) Tandem
Operating Systems
1 56 (9.32%) Linux
2 32 (5.32%) Apple iOS
3 31 (5.16%) Windows
4 29 (4.83%) Android
5 21 (3.49%) Unix
6 4 (0.67%) Red Hat Enterprise Linux
7 3 (0.50%) CentOS
8 2 (0.33%) Ubuntu
9 1 (0.17%) Mac OS
9 1 (0.17%) Windows Server
Processes & Methodologies
1 434 (72.21%) Agile Software Development
2 219 (36.44%) BDD
3 169 (28.12%) Scrum
4 160 (26.62%) Continuous Integration
5 129 (21.46%) Test Automation
6 103 (17.14%) DevOps
7 88 (14.64%) Microservices
8 81 (13.48%) MVC
9 76 (12.65%) Software Engineering
10 75 (12.48%) SOLID
11 72 (11.98%) Unit Testing
12 69 (11.48%) OO
13 65 (10.82%) Continuous Delivery
14 55 (9.15%) Front End Development
15 50 (8.32%) Computer Science
16 47 (7.82%) Open Source
17 45 (7.49%) SDLC
17 45 (7.49%) User Stories
18 40 (6.66%) Kanban
19 37 (6.16%) SOA
Programming Languages
1 241 (40.10%) C#
2 223 (37.10%) JavaScript
3 181 (30.12%) Java
4 108 (17.97%) SQL
5 83 (13.81%) Python
6 61 (10.15%) Java 8
7 59 (9.82%) TypeScript
8 27 (4.49%) Scala
8 27 (4.49%) T-SQL
9 24 (3.99%) ES6
10 20 (3.33%) Ruby
11 16 (2.66%) Kotlin
11 16 (2.66%) Shell Script
12 15 (2.50%) Apple Swift
13 14 (2.33%) C++
14 12 (2.00%) Objective-C
14 12 (2.00%) PHP
14 12 (2.00%) PowerShell
15 11 (1.83%) C
16 9 (1.50%) Bash Shell
Qualifications
1 39 (6.49%) Degree
2 30 (4.99%) Computer Science Degree
3 22 (3.66%) Security Cleared
4 12 (2.00%) SC Cleared
5 7 (1.16%) ISTQB
6 6 (1.00%) Microsoft Certification
7 5 (0.83%) ISTQB Foundation Certification
8 4 (0.67%) MCSE
9 3 (0.50%) BPSS Clearance
10 2 (0.33%) CCNA
10 2 (0.33%) Cisco Certification
10 2 (0.33%) DV Cleared
11 1 (0.17%) BC Cleared
11 1 (0.17%) CCNP
11 1 (0.17%) DBS Check
11 1 (0.17%) ISEB
11 1 (0.17%) Master's Degree
11 1 (0.17%) MCITP
11 1 (0.17%) PMI Certification
11 1 (0.17%) PMP
Quality Assurance & Compliance
1 23 (3.83%) QA
2 2 (0.33%) EMIR
2 2 (0.33%) MiFID
2 2 (0.33%) PMO
3 1 (0.17%) Disclosure Scotland
3 1 (0.17%) GAMP
3 1 (0.17%) GxP
System Software
1 66 (10.98%) Docker
2 23 (3.83%) Active Directory
3 7 (1.16%) Virtual Machines
3 7 (1.16%) VMware Infrastructure
4 5 (0.83%) HDFS
5 4 (0.67%) vCloud
6 3 (0.50%) vSphere
Systems Management
1 46 (7.65%) Kubernetes
2 17 (2.83%) Ansible
3 16 (2.66%) Terraform
4 8 (1.33%) Kibana
4 8 (1.33%) Puppet
5 6 (1.00%) logstash
6 5 (0.83%) Nagios
7 4 (0.67%) Docker Swarm
7 4 (0.67%) Graphite
7 4 (0.67%) HP SiteScope
7 4 (0.67%) OpenView
7 4 (0.67%) Prometheus
7 4 (0.67%) StatsD
8 3 (0.50%) Control-M
8 3 (0.50%) ZABBIX
9 2 (0.33%) Grafana
10 1 (0.17%) HP ALM
Vendors
1 95 (15.81%) Microsoft
2 47 (7.82%) Oracle
3 22 (3.66%) Xamarin
4 20 (3.33%) Google
5 19 (3.16%) Atlassian
6 9 (1.50%) New Relic
7 7 (1.16%) VMware
8 6 (1.00%) DevExpress
8 6 (1.00%) Red Hat
9 5 (0.83%) Apple
9 5 (0.83%) HP
10 4 (0.67%) Adobe
10 4 (0.67%) CA Agile Central
10 4 (0.67%) Splunk
11 3 (0.50%) Cypress Semiconductor
11 3 (0.50%) MicroStrategy
11 3 (0.50%) Salesforce.com
11 3 (0.50%) Sitecore
11 3 (0.50%) webMethods
12 2 (0.33%) SAP