The following table provides summary statistics for contract job vacancies advertised in England with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 3 months to 23 March 2017 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.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
UK / England
Rank 24 29 40
Rank change year-on-year +5 +11  
Contract jobs citing TDD 2829 2873 2182
As % of all contract IT jobs advertised in England 6.86% 5.90% 4.58%
As % of the Processes & Methodologies category 8.24% 7.12% 5.73%
Number of daily rates quoted 2189 2293 1650
Median daily rate £463 £450 £425
Median daily rate % change year-on-year +2.77% +5.88%  
90% offered a daily rate of more than £327 £328 £320
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £405 £400 £375
% change year-on-year +1.25% +6.66%  
Number of hourly rates quoted 10 13 8
Median hourly rate £44.00 £48.50 £39.25
Median hourly rate % change year-on-year -9.27% +23.56%  
90% offered a hourly rate of more than £35.90 £37.60 £32.10
10% offered a hourly rate of more than £63.30 £61.00 £43.25
UK excluding London median hourly rate £39.00 £45.75 £36.00
% change year-on-year -14.75% +27.08%  

TDD is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in England with a requirement for process and methodology skills.

Contract Process & Methodology Skills
England
Contract job vacancies with a requirement for process and methodology skills 34339 40363 38097
As % of all contract IT job vacancies advertised in England 83.24% 82.94% 80.04%
Number of daily rates quoted 22721 26823 23995
Median daily rate £450 £438 £425
Median daily rate % change year-on-year +2.85% +2.94%  
90% offered a daily rate of more than £300 £300 £280
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £410 £400 £399
% change year-on-year +2.50% +0.29%  
Number of hourly rates quoted 856 995 1110
Median hourly rate £35.75 £37.50 £27.50
Median hourly rate % change year-on-year -4.66% +36.36%  
90% offered a hourly rate of more than £13.00 £13.00 £12.00
10% offered a hourly rate of more than £52.50 £55.00 £49.50
UK excluding London median hourly rate £36.00 £39.00 £30.00
% change year-on-year -7.69% +30.00%  

TDD
Job Vacancy Trend in England

The job posting trend of jobs advertised in England citing TDD as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for TDD in England

TDD
Contractor Daily Rate Trend in England

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

Contractor daily rate trend for TDD in England

TDD
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing TDD in England over the 3 months to 23 March 2017.

Contractor daily rate histogram for TDD in England

TDD
Contractor Hourly Rate Trend in England

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

Contractor hourly rate trend for TDD in England

TDD
Contractor Hourly Rate Histogram in England

The hourly rate distribution of IT jobs citing TDD in England over the 3 months to 23 March 2017.

Contractor hourly rate histogram for TDD in England

TDD
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the England region over the 3 months to 23 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +3 1628 £488 -2.50% 625
South East +2 320 £425 +6.25% 176
East of England +43 232 £475 +18.01% 78
Yorkshire +1 150 £404 -10.22% 65
North West -5 148 £423 +5.62% 116
West Midlands +25 98 £400 -5.88% 41
East Midlands +49 91 £378 +0.66% 27
South West +9 87 £353 -6.00% 78
North East +28 79 £350 -22.65% 14
Midlands +11 3 £350 -
TDD
UK

TDD
Top 30 Related IT Skills in England

For the 6 months to 23 March 2017, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the England region with a requirement for TDD.

1 4521 (79.26%) Agile Software Development
2 2616 (45.86%) Java
3 2446 (42.88%) BDD
4 2087 (36.59%) JavaScript
5 1938 (33.98%) Scrum
6 1536 (26.93%) HTML
7 1406 (24.65%) Continuous Integration
8 1354 (23.74%) CSS
9 1347 (23.62%) C#
10 1224 (21.46%) .NET
11 1196 (20.97%) AngularJS
12 1155 (20.25%) Git (software)
13 1012 (17.74%) Web Services
14 983 (17.23%) SQL
15 956 (16.76%) MVC
16 944 (16.55%) Spring
17 941 (16.50%) Finance
18 925 (16.22%) REST
19 880 (15.43%) Jenkins
20 866 (15.18%) HTML5
21 831 (14.57%) OO
22 829 (14.53%) RESTful
23 823 (14.43%) DevOps
24 805 (14.11%) Node.js
25 758 (13.29%) Kanban
26 701 (12.29%) Software Engineering
26 701 (12.29%) Microservices
27 657 (11.52%) E-Commerce
28 654 (11.47%) SQL Server
29 647 (11.34%) Pair Programming

TDD
Top Related IT Skills in England 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
1 229 (4.01%) Confluence
2 216 (3.79%) Apache Spark
3 189 (3.31%) Elasticsearch
4 149 (2.61%) Tomcat
5 128 (2.24%) Apache
6 118 (2.07%) WebSphere
7 114 (2.00%) CMS
8 107 (1.88%) Oracle SOA Suite
9 105 (1.84%) JBoss
10 85 (1.49%) SharePoint
11 73 (1.28%) WebLogic
12 61 (1.07%) IIS
13 58 (1.02%) Mule
14 48 (0.84%) Cloud Foundry
15 45 (0.79%) Sitecore CMS
16 44 (0.77%) Adobe Experience Manager
16 44 (0.77%) BizTalk Server
17 41 (0.72%) OpenStack
18 31 (0.54%) Apache Solr
19 30 (0.53%) WebSphere Application Server
Applications
1 175 (3.07%) MS Excel
2 24 (0.42%) MS Office
3 23 (0.40%) Photoshop
4 16 (0.28%) MS Visio
5 8 (0.14%) MS PowerPoint
6 7 (0.12%) MS Project
6 7 (0.12%) Spreadsheet
7 3 (0.053%) Fireworks
8 1 (0.018%) Adobe Creative Suite
8 1 (0.018%) Adobe Illustrator
8 1 (0.018%) GIMP
8 1 (0.018%) HipChat
Business Applications
1 85 (1.49%) SAP Oil and Gas
2 77 (1.35%) Dynamics CRM
3 34 (0.60%) Dynamics AX
4 23 (0.40%) Payment Gateway
5 13 (0.23%) ION MarketView
5 13 (0.23%) Oracle BPM
6 6 (0.11%) FastStats
6 6 (0.11%) Magento
7 4 (0.070%) SAP HR
7 4 (0.070%) SAP Hybris
8 3 (0.053%) SAP Business One
9 2 (0.035%) Oracle Retail
10 1 (0.018%) BondVision
10 1 (0.018%) CODA-Financials
10 1 (0.018%) Endur
10 1 (0.018%) FLEXCUBE
10 1 (0.018%) NetSuite
10 1 (0.018%) SDL Web 8
10 1 (0.018%) Temenos T24
10 1 (0.018%) Unit4 Business World
Cloud Services
1 593 (10.40%) Amazon AWS
2 400 (7.01%) Microsoft Azure
3 223 (3.91%) GitHub
4 130 (2.28%) PaaS
5 90 (1.58%) IaaS
6 81 (1.42%) Amazon EC2
6 81 (1.42%) SaaS
7 37 (0.65%) AWS CloudFormation
8 35 (0.61%) AWS Lambda
9 31 (0.54%) Cloud Computing
10 29 (0.51%) Amazon SQS
11 25 (0.44%) Slack
12 23 (0.40%) Google Cloud Platform
13 22 (0.39%) Amazon S3
14 19 (0.33%) Heroku
15 13 (0.23%) AWS Elastic Beanstalk
15 13 (0.23%) Datadog
15 13 (0.23%) Office 365
16 11 (0.19%) Amazon EMR
17 10 (0.18%) OpenShift
Communications & Networking
1 243 (4.26%) HTTP
2 76 (1.33%) Internet
3 49 (0.86%) TCP/IP
4 41 (0.72%) SSL
5 23 (0.40%) AMQP
5 23 (0.40%) Intranet
6 21 (0.37%) DNS
7 16 (0.28%) LDAP
7 16 (0.28%) Network Security
8 14 (0.25%) RTSP
9 11 (0.19%) HTTPS
10 10 (0.18%) DVB
11 8 (0.14%) MQTT
12 7 (0.12%) Extranet
12 7 (0.12%) IP Telephony
12 7 (0.12%) Kerberos
12 7 (0.12%) RTP
12 7 (0.12%) Skype
12 7 (0.12%) SNMP
12 7 (0.12%) X.509
Database & Business Intelligence
1 654 (11.47%) SQL Server
2 494 (8.66%) NoSQL
3 438 (7.68%) MongoDB
4 315 (5.52%) MySQL
5 308 (5.40%) Relational Database
6 278 (4.87%) Big Data
7 251 (4.40%) Hadoop
8 233 (4.08%) PostgreSQL
9 195 (3.42%) Apache Cassandra
10 91 (1.60%) SQL Server 2012
11 85 (1.49%) HBase
11 85 (1.49%) SQL Server Integration Services
12 83 (1.46%) SQL Server 2008
13 80 (1.40%) Redis
14 68 (1.19%) Oracle Database
15 67 (1.17%) RDBMS
16 51 (0.89%) Apache Hive
17 45 (0.79%) SQL Server 2014
18 44 (0.77%) DB2
19 42 (0.74%) Azure SQL Database
Development Applications
1 1155 (20.25%) Git (software)
2 880 (15.43%) Jenkins
3 612 (10.73%) Selenium
4 599 (10.50%) JIRA
5 539 (9.45%) Cucumber
6 503 (8.82%) JUnit
7 437 (7.66%) Maven
8 296 (5.19%) Mockito
9 295 (5.17%) WebDriver
10 273 (4.79%) Team Foundation Server
11 258 (4.52%) Subversion
12 234 (4.10%) Gradle
13 220 (3.86%) TeamCity
14 211 (3.70%) Jasmine
15 164 (2.88%) gulp
16 159 (2.79%) Grunt
17 126 (2.21%) SpecFlow
18 118 (2.07%) NUnit
19 116 (2.03%) Mocha
20 114 (2.00%) Visual Studio
General
1 941 (16.50%) Finance
2 496 (8.70%) Banking
3 201 (3.52%) Retail
4 170 (2.98%) Games
5 168 (2.95%) Marketing
6 167 (2.93%) Investment Banking
7 141 (2.47%) Telecoms
8 122 (2.14%) Front Office
9 96 (1.68%) Manufacturing
10 93 (1.63%) Publishing
11 85 (1.49%) Electronics
12 84 (1.47%) Back Office
13 53 (0.93%) Advertising
14 32 (0.56%) Automotive
15 21 (0.37%) Financial Institution
15 21 (0.37%) Legal
16 17 (0.30%) Retail Banking
17 15 (0.26%) Law
18 9 (0.16%) Billing
19 7 (0.12%) German Language
Job Titles
1 4196 (73.56%) Developer
2 1368 (23.98%) Java Developer
3 727 (12.75%) Senior Developer
4 676 (11.85%) .NET Developer
5 576 (10.10%) C# Developer
6 505 (8.85%) JavaScript Developer
7 503 (8.82%) Agile Developer
8 349 (6.12%) C# .NET Developer
9 322 (5.65%) Senior Java Developer
10 306 (5.36%) Front End Developer (Client-Side Developer)
11 296 (5.19%) Agile Java Developer
12 281 (4.93%) Full Stack Developer
13 251 (4.40%) Angular Developer
14 234 (4.10%) Scala Developer
15 184 (3.23%) Architect
16 181 (3.17%) Node.js Developer
16 181 (3.17%) Software Engineer
17 175 (3.07%) Analyst
18 174 (3.05%) Tester
19 158 (2.77%) Software Developer
Libraries, Frameworks & Software Standards
1 1536 (26.93%) HTML
2 1354 (23.74%) CSS
3 1224 (21.46%) .NET
4 1196 (20.97%) AngularJS
5 1012 (17.74%) Web Services
6 944 (16.55%) Spring
7 925 (16.22%) REST
8 866 (15.18%) HTML5
9 829 (14.53%) RESTful
10 805 (14.11%) Node.js
11 596 (10.45%) React
12 594 (10.41%) JSON
13 592 (10.38%) CSS3
14 574 (10.06%) ASP.NET
15 570 (9.99%) XML
16 516 (9.05%) jQuery
17 436 (7.64%) SOAP
18 376 (6.59%) Hibernate
19 362 (6.35%) ASP.NET MVC
20 351 (6.15%) ASP.NET Web API
Miscellaneous
1 367 (6.43%) User Experience
2 260 (4.56%) Mobile App
3 183 (3.21%) Analytical Skills
4 159 (2.79%) Computer Science
5 135 (2.37%) Fintech
6 96 (1.68%) Enterprise Software
7 93 (1.63%) Algorithms
8 75 (1.31%) Derivative
9 69 (1.21%) Fixed Income
10 68 (1.19%) Foreign Exchange (FX)
11 65 (1.14%) Data Structures
12 58 (1.02%) iPad
13 57 (1.00%) Virtual Team
14 45 (0.79%) iPhone
15 44 (0.77%) Public Cloud
16 40 (0.70%) Equities
17 35 (0.61%) Social Media
18 34 (0.60%) Animation
19 29 (0.51%) Equity Derivative
19 29 (0.51%) Linux Command Line
Operating Systems
1 625 (10.96%) Linux
2 291 (5.10%) Unix
3 271 (4.75%) Android
4 257 (4.51%) Apple iOS
5 210 (3.68%) Windows
6 72 (1.26%) Mac OS X
7 54 (0.95%) Red Hat Enterprise Linux
8 23 (0.40%) Ubuntu
9 21 (0.37%) Solaris
10 18 (0.32%) Windows Server
11 17 (0.30%) CoreOS
12 14 (0.25%) VME
13 11 (0.19%) HPUX
14 9 (0.16%) CentOS
15 5 (0.088%) VMS
15 5 (0.088%) Windows Phone
16 4 (0.070%) Windows Phone 8
17 3 (0.053%) Mac OS
17 3 (0.053%) Windows Server 2012
18 2 (0.035%) Windows Server 2008
Processes & Methodologies
1 4521 (79.26%) Agile Software Development
2 2446 (42.88%) BDD
3 1938 (33.98%) Scrum
4 1406 (24.65%) Continuous Integration
5 956 (16.76%) MVC
6 831 (14.57%) OO
7 823 (14.43%) DevOps
8 758 (13.29%) Kanban
9 701 (12.29%) Microservices
9 701 (12.29%) Software Engineering
10 657 (11.52%) E-Commerce
11 647 (11.34%) Pair Programming
12 489 (8.57%) Front End Development
13 462 (8.10%) Unit Testing
14 448 (7.85%) Open Source
15 445 (7.80%) Web Development
16 425 (7.45%) Test Automation
17 416 (7.29%) SOA
18 415 (7.28%) Automated Testing
19 412 (7.22%) Continuous Delivery
Programming Languages
1 2616 (45.86%) Java
2 2087 (36.59%) JavaScript
3 1347 (23.62%) C#
4 983 (17.23%) SQL
5 627 (10.99%) Scala
6 543 (9.52%) Python
7 489 (8.57%) Ruby
8 197 (3.45%) PHP
9 185 (3.24%) C++
10 159 (2.79%) ES6
11 137 (2.40%) Apple Swift
12 120 (2.10%) Groovy
13 115 (2.02%) Shell Script
14 113 (1.98%) Objective-C
15 112 (1.96%) T-SQL
16 95 (1.67%) C
17 87 (1.53%) Go
18 71 (1.24%) PowerShell
19 70 (1.23%) Perl
20 62 (1.09%) TypeScript
Qualifications
1 232 (4.07%) Degree
2 196 (3.44%) Security Cleared
3 109 (1.91%) SC Cleared
4 62 (1.09%) ISEB
5 50 (0.88%) BPSS Clearance
6 40 (0.70%) ISTQB
7 23 (0.40%) DV Cleared
8 17 (0.30%) BC Cleared
9 16 (0.28%) ISTQB Foundation Certification
9 16 (0.28%) Sun Certification
10 12 (0.21%) PhD
11 8 (0.14%) Microsoft Certification
12 5 (0.088%) CTC Cleared
13 4 (0.070%) CFA
14 3 (0.053%) DBS Check
14 3 (0.053%) MBA
14 3 (0.053%) MCPD
14 3 (0.053%) PMI Certification
14 3 (0.053%) PMP
15 2 (0.035%) ITIL Certification
Quality Assurance & Compliance
1 460 (8.06%) QA
2 56 (0.98%) SDET
3 47 (0.82%) WCAG
4 32 (0.56%) Disclosure Scotland
5 27 (0.47%) Data Quality
6 23 (0.40%) MiFID
7 22 (0.39%) FATCA
8 14 (0.25%) EMIR
9 13 (0.23%) SLA
10 12 (0.21%) Dodd-Frank
11 10 (0.18%) PCI DSS
12 4 (0.070%) WAI
13 1 (0.018%) GCP
13 1 (0.018%) HL7
13 1 (0.018%) IFRS
13 1 (0.018%) IFRS 9
13 1 (0.018%) PMO
System Software
1 453 (7.94%) Docker
2 38 (0.67%) HDFS
3 31 (0.54%) VMware Infrastructure
4 26 (0.46%) Apache Flume
5 25 (0.44%) Virtual Machines
6 16 (0.28%) Active Directory
7 10 (0.18%) Apache ZooKeeper
8 9 (0.16%) LXC
8 9 (0.16%) vSphere
9 6 (0.11%) Varnish
9 6 (0.11%) VirtualBox
10 5 (0.088%) GlusterFS
10 5 (0.088%) vCloud
11 4 (0.070%) Firmware
11 4 (0.070%) Shibboleth
12 3 (0.053%) NFS
13 1 (0.018%) Hyper-V
13 1 (0.018%) Xen
Systems Management
1 202 (3.54%) Puppet
2 174 (3.05%) Opscode Chef
3 162 (2.84%) Ansible
4 41 (0.72%) Kubernetes
5 35 (0.61%) logstash
6 34 (0.60%) Terraform
7 26 (0.46%) Kibana
8 23 (0.40%) Salt
9 21 (0.37%) Nagios
10 19 (0.33%) HP Quality Center
10 19 (0.33%) Oozie
11 15 (0.26%) Grafana
11 15 (0.26%) Mesos
12 12 (0.21%) ZABBIX
13 11 (0.19%) rkt
14 9 (0.16%) Hadoop YARN
15 6 (0.11%) HockeyApp
16 5 (0.088%) HP Fortify
16 5 (0.088%) Rancher
16 5 (0.088%) yum
Vendors
1 424 (7.43%) Microsoft
2 393 (6.89%) Oracle
3 119 (2.09%) SAP
4 93 (1.63%) Sitecore
5 75 (1.31%) Google
6 60 (1.05%) Splunk
7 57 (1.00%) IBM
7 57 (1.00%) WSO2
8 51 (0.89%) hybris
9 48 (0.84%) MuleSoft
10 45 (0.79%) Adobe
11 41 (0.72%) Atlassian
12 40 (0.70%) ATG
13 35 (0.61%) Red Hat
13 35 (0.61%) VMware
14 34 (0.60%) HP
15 33 (0.58%) Solace
16 31 (0.54%) Apigee
16 31 (0.54%) Perforce
16 31 (0.54%) Xamarin
North London
Understanding Recruitment
Rate: £350 - £500 per day
Posted: 13 hours ago
City, London
Oliver Bernard
Rate: £500 - £600 per day
Posted: 17 hours ago
South East London
Vantage Recruitment Solutions Ltd
Rate: Up to £375 per day
Posted: 12 hours ago
City, London
E-synergy Solutions
Rate: £450 - £475 per day
Posted: 19 hours ago
Hertfordshire
Oliver Bernard
Rate: £575 - £625 per day
Posted: 13 hours ago
Leeds, West Yorkshire
The Bridge Ltd
Rate: Unspecified Neg
Posted: 9 hours ago
London
Cyber Team
Rate: From £400 to £500 per day Negotiable
Posted: 14 hours ago
Croydon, Surrey
networx
Rate: From £46,250 to £50,000 per annum
Posted: 18 hours ago
London
Testing Circle Ltd
Rate: £0.00 per annum
Posted: 21 hours ago
London
Digitech Resourcing Ltd
Rate: Up to £600 per day
Posted: 16 hours ago
Berkshire
Austin Fraser
Rate: £350 - £450 per day
Posted: 2 days ago
London
Oliver Bernard
Rate: £500 - £700 per day
Posted: 21 hours ago
City, London
Harrington Starr
Rate: £500 - £550 per day
Posted: 19 hours ago
City, London
ANSON MCCADE
Rate: £450 - £550 per day
Posted: 21 hours ago
South West
ReThink Recruitment
Rate: £300 - £320 per day + working inside IR35
Posted: Yesterday
City, London
Michael Bailey Associates
Rate: market rates
Posted: 21 hours ago
Manchester, Lancashire
Sanderson
Posted: 2 days ago
Liverpool, Merseyside
Applause IT Innovation
Rate: £300 - £350 per day + Negotiable
Posted: 13 hours ago
Central London / West End
Data Idols
Rate: From £350 to £450 per day
Posted: 2 days ago
South West London
Understanding Recruitment
Rate: £550.00 - £600.00 per day
Posted: 13 hours ago
London
Austin Fraser
Rate: £400 - £425 per day
Posted: 2 days ago
London
Explore Recruitment Solutions
Rate: £400 - £500 per day
Posted: 3 days ago
London
TEKsystems
Rate: Market Rate
Posted: 10 hours ago
Farnham, Surrey
TLP Consultancy Ltd.
Rate: £250 - £500 per day
Posted: Yesterday
Wilmslow, Cheshire
Oscar
Rate: £300 - £375 per day
Posted: Yesterday
Central London / West End
Lennon Wright
Rate: From £400 to £500 per day
Posted: 2 days ago
London
Talent International
Rate: £425 - £475 per day
Posted: Yesterday
City, London
ANSON MCCADE
Rate: £450 - £550 per day
Posted: 2 days ago
London
Oliver Bernard
Rate: £375 - £425 per day
Posted: 13 hours ago
City, London
Salt
Rate: £550.00 - £750.00 per day
Posted: 14 hours ago