Period
to 24 January 2020

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 24 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.

Test-Driven Development (TDD)
England > South East
6 months to
24 Jan 2020
Same period 2019 Same period 2018
Rank 65 30 32
Rank change year-on-year -35 +2 +8
Contract jobs citing TDD 356 1,006 971
As % of all contract IT jobs advertised in the South East 3.09% 6.29% 5.86%
As % of the Processes & Methodologies category 3.64% 7.20% 6.91%
Number of daily rates quoted 219 689 636
South East median daily rate £450 £488 £425
Median daily rate % change year-on-year -7.69% +14.71% -1.73%
10th Percentile £350 £370 £326
90th Percentile £606 £565 £575
England median daily rate £525 £515 £500
% change year-on-year +1.94% +3.00% +8.11%
Number of hourly rates quoted 1 6 25
South East median hourly rate £45.00 £45.45 £45.00
Median hourly rate % change year-on-year -0.99% +1.00% +24.14%
England median hourly rate £40.00 £45.00 £45.00
% change year-on-year -11.11% - +5.88%

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 9,774 13,965 14,059
As % of all contract IT jobs advertised in the South East 84.78% 87.36% 84.89%
Number of daily rates quoted 5,886 8,377 8,451
South East median daily rate £450 £450 £425
Median daily rate % change year-on-year - +5.88% +3.66%
10th Percentile £263 £275 £263
90th Percentile £600 £600 £578
England median daily rate £475 £475 £450
% change year-on-year - +5.56% +4.65%
Number of hourly rates quoted 422 487 430
South East median hourly rate £23.94 £26.65 £24.00
Median hourly rate % change year-on-year -10.17% +11.04% +6.67%
10th Percentile £13.05 £11.85 £11.16
90th Percentile £57.50 £52.02 £50.25
England median hourly rate £22.50 £23.50 £23.14
% change year-on-year -4.26% +1.56% -3.13%

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 24 January 2020.

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 24 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
Thames Valley -28 132 £450 - 102
Hampshire -37 96 £465 -7.00% 65
Surrey -23 73 £550 +10.00% 38
Berkshire -55 57 £463 +2.78% 50
Buckinghamshire -6 44 £425 +0.59% 27
West Sussex -20 39 £425 -5.56% 13
Oxfordshire +29 31 £450 - 25
East Sussex -11 9 £408 -13.07% 10
Kent -24 7 £314 -32.16% 22
TDD
England

For the 6 months to 24 January 2020, 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.

1 288 (80.90%) Agile Software Development
2 144 (40.45%) C#
3 127 (35.67%) Java
4 126 (35.39%) BDD
5 124 (34.83%) Scrum
6 121 (33.99%) .NET
7 120 (33.71%) JavaScript
8 109 (30.62%) Azure
9 106 (29.78%) Git (software)
10 103 (28.93%) AngularJS
11 102 (28.65%) Test Automation
12 91 (25.56%) HTML
13 89 (25.00%) Continuous Integration
14 84 (23.60%) SQL Server
14 84 (23.60%) CSS
15 81 (22.75%) SQL
16 79 (22.19%) DevOps
17 77 (21.63%) Python
18 74 (20.79%) Software Engineering
19 72 (20.22%) ASP.NET
20 62 (17.42%) Microsoft
20 62 (17.42%) RESTful
21 61 (17.13%) Microservices
22 60 (16.85%) Spring
23 56 (15.73%) MVC
23 56 (15.73%) .NET Core
24 52 (14.61%) Jenkins
25 49 (13.76%) Finance
25 49 (13.76%) Continuous Delivery
26 45 (12.64%) ASP.NET Web API

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 20 (5.62%) Confluence
2 11 (3.09%) Apache
2 11 (3.09%) Elasticsearch
3 6 (1.69%) Apache Spark
3 6 (1.69%) CMS
4 4 (1.12%) Cloud Foundry
4 4 (1.12%) Tomcat
5 3 (0.84%) EPiServer
5 3 (0.84%) JBoss
5 3 (0.84%) SharePoint
5 3 (0.84%) WebLogic
6 2 (0.56%) Apache Solr
6 2 (0.56%) IIS
6 2 (0.56%) nginx
6 2 (0.56%) OpenStack
6 2 (0.56%) Oracle SOA Suite
6 2 (0.56%) SAS
6 2 (0.56%) Sitecore CMS
6 2 (0.56%) Umbraco
7 1 (0.28%) Oracle Spatial
Applications
1 3 (0.84%) Microsoft Excel
1 3 (0.84%) Microsoft Office
1 3 (0.84%) Microsoft PowerPoint
Business Applications
1 1 (0.28%) Cognos Business Intelligence
1 1 (0.28%) Dynamics AX
1 1 (0.28%) Dynamics CRM
1 1 (0.28%) Magento
Cloud Services
1 109 (30.62%) Azure
2 43 (12.08%) AWS
3 23 (6.46%) Serverless
4 18 (5.06%) GitHub
5 15 (4.21%) Azure Active Directory
6 13 (3.65%) PaaS
7 12 (3.37%) Azure Functions
7 12 (3.37%) GCP
8 11 (3.09%) OpenShift
9 10 (2.81%) Power Platform
10 8 (2.25%) AWS Lambda
10 8 (2.25%) TestFlight
11 7 (1.97%) Azure Data Factory
11 7 (1.97%) Dynamics 365
12 6 (1.69%) Amazon Kinesis
12 6 (1.69%) AWS CloudFormation
13 5 (1.40%) Amazon S3
13 5 (1.40%) Heroku
13 5 (1.40%) Kong
14 4 (1.12%) Cloud Computing
Communications & Networking
1 5 (1.40%) AMQP
1 5 (1.40%) DNS
1 5 (1.40%) HTTP
2 3 (0.84%) Firewall
2 3 (0.84%) Internet
2 3 (0.84%) SSL
2 3 (0.84%) TCP/IP
3 1 (0.28%) H.323
3 1 (0.28%) MQTT
3 1 (0.28%) Skype
Database & Business Intelligence
1 84 (23.60%) SQL Server
2 21 (5.90%) MongoDB
3 20 (5.62%) Relational Database
4 17 (4.78%) NoSQL
5 16 (4.49%) Azure SQL Database
5 16 (4.49%) Cosmos DB
6 13 (3.65%) MySQL
7 12 (3.37%) Data Warehouse
8 11 (3.09%) PostgreSQL
8 11 (3.09%) SQLite
9 10 (2.81%) Power BI
10 8 (2.25%) Big Data
11 7 (1.97%) Azure SQL Data Warehouse
11 7 (1.97%) Data Lake
11 7 (1.97%) Hadoop
12 4 (1.12%) Amazon Athena
12 4 (1.12%) Amazon DynamoDB
12 4 (1.12%) Redis
12 4 (1.12%) SQL Server 2016
12 4 (1.12%) SQL Server Analysis Services
Development Applications
1 106 (29.78%) Git (software)
2 52 (14.61%) Jenkins
3 44 (12.36%) Selenium
4 35 (9.83%) JIRA
5 30 (8.43%) Cucumber
6 21 (5.90%) TeamCity
7 20 (5.62%) JUnit
8 15 (4.21%) Eclipse
8 15 (4.21%) IntelliJ
8 15 (4.21%) NUnit
9 13 (3.65%) Maven
10 12 (3.37%) JMeter
10 12 (3.37%) Team Foundation Server
11 11 (3.09%) Subversion
11 11 (3.09%) Visual Studio Team System
12 10 (2.81%) Postman
13 9 (2.53%) Atlassian Bamboo
13 9 (2.53%) ReSharper
13 9 (2.53%) SpecFlow
14 8 (2.25%) Mockito
General
1 49 (13.76%) Finance
2 18 (5.06%) Banking
3 8 (2.25%) Public Sector
4 7 (1.97%) Retail
5 5 (1.40%) Automotive
5 5 (1.40%) Financial Institution
5 5 (1.40%) Investment Banking
5 5 (1.40%) Local Government
5 5 (1.40%) Manufacturing
5 5 (1.40%) Telecoms
6 3 (0.84%) Electronics
6 3 (0.84%) Marketing
6 3 (0.84%) Military
7 2 (0.56%) Games
8 1 (0.28%) Advertising
8 1 (0.28%) French Language
8 1 (0.28%) German Language
8 1 (0.28%) International Banking
8 1 (0.28%) Law
8 1 (0.28%) Publishing
Job Titles
1 244 (68.54%) Developer
2 78 (21.91%) .NET Developer
3 56 (15.73%) Java Developer
4 35 (9.83%) Full Stack Developer
5 32 (8.99%) C# Developer
6 27 (7.58%) Angular Developer
7 24 (6.74%) Software Engineer
8 20 (5.62%) C# .NET Developer
9 18 (5.06%) Software Developer
10 17 (4.78%) Python Developer
11 16 (4.49%) Senior Developer
12 15 (4.21%) Scrum Master
13 14 (3.93%) ASP.NET Developer
14 13 (3.65%) Agile Developer
14 13 (3.65%) Java Engineer
14 13 (3.65%) Java Software Developer
15 11 (3.09%) Developer/Software Engineer
15 11 (3.09%) Java Software Engineer
15 11 (3.09%) JavaScript Developer
15 11 (3.09%) Scala Developer
Libraries, Frameworks & Software Standards
1 121 (33.99%) .NET
2 103 (28.93%) AngularJS
3 91 (25.56%) HTML
4 84 (23.60%) CSS
5 72 (20.22%) ASP.NET
6 62 (17.42%) RESTful
7 60 (16.85%) Spring
8 56 (15.73%) .NET Core
9 45 (12.64%) .NET Framework
9 45 (12.64%) ASP.NET Web API
10 43 (12.08%) React
11 40 (11.24%) REST
12 38 (10.67%) HTML5
13 37 (10.39%) JSON
14 36 (10.11%) Node.js
15 34 (9.55%) Web Services
16 33 (9.27%) ASP.NET MVC
17 27 (7.58%) jQuery
18 23 (6.46%) J2EE
19 22 (6.18%) Entity Framework
Miscellaneous
1 22 (6.18%) Analytical Skills
2 20 (5.62%) Greenfield Project
3 17 (4.78%) Linux Command Line
4 15 (4.21%) Mobile App
5 14 (3.93%) Enterprise Software
6 11 (3.09%) Algorithms
6 11 (3.09%) Self-Motivation
6 11 (3.09%) Smart City
7 6 (1.69%) Smartphone
7 6 (1.69%) User Experience
8 3 (0.84%) Blog
8 3 (0.84%) Handset
9 2 (0.56%) Cloud Native
9 2 (0.56%) Grid Computing
9 2 (0.56%) Life Science
9 2 (0.56%) Mainframe
9 2 (0.56%) Video\Live Streaming
9 2 (0.56%) Virtual Team
10 1 (0.28%) Foreign Exchange (FX)
10 1 (0.28%) Private Cloud
Operating Systems
1 27 (7.58%) Linux
2 19 (5.34%) Unix
3 18 (5.06%) Android
4 17 (4.78%) Apple iOS
5 15 (4.21%) Windows
6 3 (0.84%) Mac OS X
7 2 (0.56%) Ubuntu
7 2 (0.56%) Windows Server
8 1 (0.28%) HPUX
8 1 (0.28%) Red Hat Enterprise Linux
8 1 (0.28%) Solaris
8 1 (0.28%) zOS
Processes & Methodologies
1 288 (80.90%) Agile Software Development
2 126 (35.39%) BDD
3 124 (34.83%) Scrum
4 102 (28.65%) Test Automation
5 89 (25.00%) Continuous Integration
6 79 (22.19%) DevOps
7 74 (20.79%) Software Engineering
8 61 (17.13%) Microservices
9 56 (15.73%) MVC
10 49 (13.76%) Continuous Delivery
11 42 (11.80%) User Stories
12 41 (11.52%) OO
13 35 (9.83%) Computer Science
14 33 (9.27%) SOLID
15 31 (8.71%) Kanban
15 31 (8.71%) Open Source
15 31 (8.71%) Pair Programming
15 31 (8.71%) Unit Testing
16 29 (8.15%) SDLC
17 28 (7.87%) Problem-Solving
Programming Languages
1 144 (40.45%) C#
2 127 (35.67%) Java
3 120 (33.71%) JavaScript
4 81 (22.75%) SQL
5 77 (21.63%) Python
6 30 (8.43%) T-SQL
7 29 (8.15%) Scala
8 24 (6.74%) Java 8
9 20 (5.62%) TypeScript
10 16 (4.49%) C++
11 15 (4.21%) Ruby
12 11 (3.09%) PowerShell
13 10 (2.81%) Shell Script
14 9 (2.53%) Apple Swift
14 9 (2.53%) Objective-C
15 7 (1.97%) Go
16 6 (1.69%) PHP
16 6 (1.69%) PL/SQL
17 5 (1.40%) C
17 5 (1.40%) Kotlin
Qualifications
1 29 (8.15%) Degree
2 25 (7.02%) Computer Science Degree
3 13 (3.65%) Security Cleared
4 9 (2.53%) Microsoft Certification
5 8 (2.25%) MCSE
5 8 (2.25%) SC Cleared
6 5 (1.40%) ISTQB
7 4 (1.12%) DV Cleared
8 3 (0.84%) BPSS Clearance
9 2 (0.56%) ISTQB Foundation Certification
10 1 (0.28%) AWS Certification
10 1 (0.28%) DBS Check
10 1 (0.28%) ISEB
10 1 (0.28%) MCITP
Quality Assurance & Compliance
1 12 (3.37%) QA
2 2 (0.56%) EMIR
2 2 (0.56%) MiFID
3 1 (0.28%) Data Quality
3 1 (0.28%) Disclosure Scotland
3 1 (0.28%) PMO
System Software
1 41 (11.52%) Docker
2 21 (5.90%) Active Directory
3 9 (2.53%) Virtual Machines
4 4 (1.12%) HDFS
5 2 (0.56%) vCloud
5 2 (0.56%) VMware Infrastructure
6 1 (0.28%) Apache Flume
6 1 (0.28%) Apache ZooKeeper
Systems Management
1 31 (8.71%) Kubernetes
2 13 (3.65%) Ansible
3 8 (2.25%) Terraform
4 7 (1.97%) Puppet
5 6 (1.69%) Kibana
6 3 (0.84%) Opscode Chef
7 2 (0.56%) Docker Swarm
7 2 (0.56%) Grafana
7 2 (0.56%) HP SiteScope
7 2 (0.56%) logstash
7 2 (0.56%) OpenView
8 1 (0.28%) HP ALM
8 1 (0.28%) MIIS
8 1 (0.28%) Oracle Enterprise Manager
Vendors
1 62 (17.42%) Microsoft
2 24 (6.74%) Oracle
3 14 (3.93%) Xamarin
4 13 (3.65%) Google
5 8 (2.25%) Atlassian
6 6 (1.69%) DevExpress
6 6 (1.69%) IBM
7 5 (1.40%) Databricks
7 5 (1.40%) Red Hat
8 4 (1.12%) MuleSoft
8 4 (1.12%) SAP
9 3 (0.84%) Adobe
9 3 (0.84%) HP
9 3 (0.84%) webMethods
10 2 (0.56%) Cognos
10 2 (0.56%) Salesforce.com
10 2 (0.56%) Sitecore
10 2 (0.56%) Splunk
10 2 (0.56%) Talend
10 2 (0.56%) VMware