The following table provides summary statistics for contract job vacancies 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 26 May 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.

Test-Driven Development (TDD)
UK
3 months to
26 May 2017
Same period 2016 Same period 2015
Rank 19 30 34
Rank change year-on-year +11 +4  
Contract jobs citing TDD 3385 3205 2604
As % of all contract IT jobs advertised in the UK 7.32% 5.96% 4.80%
As % of the Processes & Methodologies category 8.67% 7.15% 5.95%
Number of daily rates quoted 2638 2553 1957
Median daily rate £466 £450 £420
Median daily rate % change year-on-year +3.44% +7.14%  
90% offered a daily rate of more than £338 £330 £325
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £413 £413 £380
% change year-on-year - +8.55%  
Number of hourly rates quoted 12 18 6
Median hourly rate £39.50 £42.40 £42.50
Median hourly rate % change year-on-year -6.82% -0.24%  
90% offered a hourly rate of more than £32.50 £30.85 £38.75
10% offered a hourly rate of more than £62.50 £45.60 £43.75
UK excluding London median hourly rate £41.50 £42.40 £42.50
% change year-on-year -2.11% -0.24%  

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 with a requirement for process and methodology skills.

Contract Process & Methodology Skills
UK
Contract job vacancies with a requirement for process and methodology skills 39028 44824 43762
As % of all contract IT job vacancies advertised in the UK 84.34% 83.38% 80.62%
Number of daily rates quoted 25424 29677 27606
Median daily rate £450 £438 £413
Median daily rate % change year-on-year +2.85% +6.06%  
90% offered a daily rate of more than £310 £300 £280
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £413 £400 £388
% change year-on-year +3.12% +3.22%  
Number of hourly rates quoted 1039 1073 1282
Median hourly rate £33.00 £28.00 £27.50
Median hourly rate % change year-on-year +17.85% +1.81%  
90% offered a hourly rate of more than £13.00 £12.83 £12.00
10% offered a hourly rate of more than £52.50 £47.50 £47.50
UK excluding London median hourly rate £35.00 £32.50 £30.00
% change year-on-year +7.69% +8.33%  

TDD
Job Vacancy Trend

The job posting trend of jobs advertised 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 the UK

TDD
Contractor Daily Rate Trend

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

Contractor daily rate trend for TDD in the UK

TDD
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing TDD over the 3 months to 26 May 2017.

Contractor daily rate histogram for TDD in the UK

TDD
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for TDD in the UK

TDD
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing TDD over the 3 months to 26 May 2017.

Contractor hourly rate histogram for TDD in the UK

TDD
Top 30 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the UK over the 3 months to 26 May 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
England +12 3233 £475 +5.55% 1308
London +5 1897 £500 +1.52% 667
South East +16 432 £415 +3.75% 190
City of London 0 370 £513 - 114
East of England +26 243 £450 +12.50% 97
Yorkshire +1 211 £420 -6.66% 72
North West +3 163 £400 -5.88% 119
Essex +18 142 £475 +22.58% 24
West Yorkshire -4 135 £420 -6.66% 55
Leeds -4 129 £420 -6.66% 46
Oxfordshire +23 96 £525 +10.52% 20
West Midlands +17 93 £351 -17.52% 37
Manchester -3 84 £361 -14.67% 74
South West +6 81 £423 +11.92% 68
Scotland +41 80 £425 +13.33% 32
Surrey +15 76 £430 +7.50% 30
East Midlands +34 71 £368 -8.12% 37
Berkshire +41 67 £406 +1.56% 34
Hampshire +19 66 £363 -9.37% 38
Buckinghamshire +18 66 £388 +19.23% 22
South Yorkshire +37 62 £450 +9.09% 9
Sheffield +39 57 £450 +9.09% 7
Milton Keynes +18 52 £388 +14.81% 18
Oxford +8 48 £538 +13.15% 15
Southend-on-Sea - 47 £492 - 1
North East +36 44 £325 -27.77% 19
Edinburgh +21 44 £450 +20.00% 14
Tyne and Wear +44 42 £325 -27.77% 15
Newcastle upon Tyne +38 38 £325 -27.77% 13
Merseyside +23 38 £425 +30.76% 15

For the 6 months to 26 May 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 with a requirement for TDD.

1 4914 (78.25%) Agile Software Development
2 2755 (43.87%) Java
3 2411 (38.39%) BDD
4 2332 (37.13%) JavaScript
5 2029 (32.31%) Scrum
6 1680 (26.75%) HTML
7 1597 (25.43%) Continuous Integration
8 1559 (24.82%) CSS
9 1455 (23.17%) C#
10 1411 (22.47%) Git (software)
11 1403 (22.34%) Test Automation
12 1347 (21.45%) AngularJS
13 1346 (21.43%) .NET
14 1113 (17.72%) SQL
15 1109 (17.66%) MVC
16 1046 (16.66%) Spring
17 1035 (16.48%) Finance
18 1016 (16.18%) Jenkins
19 1010 (16.08%) Web Services
20 1000 (15.92%) DevOps
21 964 (15.35%) OO
22 918 (14.62%) Node.js
23 911 (14.51%) HTML5
24 899 (14.32%) REST
25 843 (13.42%) Kanban
26 842 (13.41%) RESTful
27 839 (13.36%) Microservices
28 737 (11.74%) SQL Server
29 726 (11.56%) Software Engineering
30 721 (11.48%) React

TDD
Co-occurring IT Skills 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
1 226 (3.60%) Confluence
2 225 (3.58%) Elasticsearch
3 215 (3.42%) Apache Spark
4 164 (2.61%) Apache
5 155 (2.47%) Tomcat
6 147 (2.34%) JBoss
7 144 (2.29%) WebSphere
8 134 (2.13%) Oracle SOA Suite
9 128 (2.04%) CMS
10 87 (1.39%) WebLogic
11 83 (1.32%) SharePoint
12 78 (1.24%) Mule
13 73 (1.16%) Cloud Foundry
14 61 (0.97%) IIS
15 56 (0.89%) OpenStack
16 53 (0.84%) Apache Solr
17 51 (0.81%) Sitecore CMS
18 44 (0.70%) WebSphere Application Server
19 40 (0.64%) Adobe Experience Manager
20 39 (0.62%) Oracle Service Bus
Applications
1 43 (0.68%) Microsoft Office
2 37 (0.59%) Photoshop
3 24 (0.38%) Microsoft Excel
4 19 (0.30%) MS Visio
5 10 (0.16%) Adobe Creative Suite
6 9 (0.14%) Adobe Illustrator
6 9 (0.14%) Microsoft Project
7 6 (0.096%) Spreadsheet
8 5 (0.080%) Microsoft PowerPoint
9 2 (0.032%) Adobe After Effects
9 2 (0.032%) OmniGraffle
10 1 (0.016%) Fireworks
10 1 (0.016%) GIMP
10 1 (0.016%) HipChat
Business Applications
1 116 (1.85%) SAP Oil and Gas
2 81 (1.29%) Dynamics CRM
3 31 (0.49%) Dynamics AX
4 26 (0.41%) Payment Gateway
5 23 (0.37%) ION MarketView
6 17 (0.27%) SAP Hybris
7 8 (0.13%) Magento
8 7 (0.11%) Oracle BPM
9 5 (0.080%) iTrent
10 4 (0.064%) BusinessWorks
11 3 (0.048%) SAP Business One
11 3 (0.048%) SAP HR
11 3 (0.048%) SDL Web 8
12 2 (0.032%) Eloqua
12 2 (0.032%) FastStats
12 2 (0.032%) Oracle CRM
12 2 (0.032%) Siebel CRM
13 1 (0.016%) BondVision
13 1 (0.016%) Oracle Retail
13 1 (0.016%) Sage X3
Cloud Services
1 656 (10.45%) Amazon AWS
2 447 (7.12%) Microsoft Azure
3 235 (3.74%) GitHub
4 114 (1.82%) PaaS
5 92 (1.46%) Amazon EC2
6 68 (1.08%) IaaS
7 55 (0.88%) AWS Lambda
7 55 (0.88%) SaaS
8 54 (0.86%) AWS CloudFormation
9 34 (0.54%) Amazon SQS
10 32 (0.51%) Amazon S3
11 30 (0.48%) Cloud Computing
12 23 (0.37%) Heroku
13 22 (0.35%) Google Cloud Platform
14 21 (0.33%) Datadog
15 18 (0.29%) Slack
16 17 (0.27%) OpenShift
17 13 (0.21%) Google Play
18 11 (0.18%) Google Analytics
19 8 (0.13%) Loggly
Communications & Networking
1 249 (3.96%) HTTP
2 97 (1.54%) Internet
3 83 (1.32%) SSL
4 57 (0.91%) TCP/IP
5 28 (0.45%) DNS
5 28 (0.45%) LDAP
6 23 (0.37%) AMQP
7 20 (0.32%) Intranet
8 17 (0.27%) Network Security
9 14 (0.22%) DVB
10 13 (0.21%) Firewall
11 9 (0.14%) HTTPS
11 9 (0.14%) Skype
12 7 (0.11%) Extranet
12 7 (0.11%) IP Telephony
12 7 (0.11%) Kerberos
12 7 (0.11%) WAN
13 6 (0.096%) MQTT
13 6 (0.096%) RTP
13 6 (0.096%) RTSP
Database & Business Intelligence
1 737 (11.74%) SQL Server
2 597 (9.51%) NoSQL
3 497 (7.91%) MongoDB
4 424 (6.75%) MySQL
5 385 (6.13%) Relational Database
6 313 (4.98%) Big Data
7 268 (4.27%) PostgreSQL
8 261 (4.16%) Hadoop
9 205 (3.26%) Apache Cassandra
10 102 (1.62%) SQL Server 2008
11 101 (1.61%) SQL Server 2012
12 94 (1.50%) Oracle Database
12 94 (1.50%) Redis
13 93 (1.48%) RDBMS
14 90 (1.43%) SQL Server Integration Services
15 88 (1.40%) HBase
16 62 (0.99%) Apache Hive
17 48 (0.76%) Amazon DynamoDB
18 45 (0.72%) DB2
19 43 (0.68%) SQL Server 2016
Development Applications
1 1411 (22.47%) Git (software)
2 1016 (16.18%) Jenkins
3 600 (9.55%) JIRA
3 600 (9.55%) Selenium
4 558 (8.89%) Cucumber
5 519 (8.26%) JUnit
6 473 (7.53%) Maven
7 321 (5.11%) Subversion
8 302 (4.81%) Mockito
9 297 (4.73%) Team Foundation Server
10 262 (4.17%) WebDriver
11 258 (4.11%) Gradle
12 249 (3.96%) TeamCity
13 243 (3.87%) Jasmine
14 235 (3.74%) gulp
15 192 (3.06%) Grunt
16 160 (2.55%) NUnit
17 159 (2.53%) Mocha
18 143 (2.28%) SpecFlow
19 140 (2.23%) webpack
General
1 1035 (16.48%) Finance
2 556 (8.85%) Banking
3 235 (3.74%) Retail
4 203 (3.23%) Marketing
5 197 (3.14%) Front Office
6 175 (2.79%) Investment Banking
7 173 (2.75%) Telecoms
8 136 (2.17%) Games
9 134 (2.13%) Manufacturing
10 122 (1.94%) Electronics
11 73 (1.16%) Back Office
12 66 (1.05%) Publishing
13 43 (0.68%) Advertising
14 34 (0.54%) Legal
15 27 (0.43%) Automotive
16 25 (0.40%) Financial Institution
17 21 (0.33%) Retail Banking
18 19 (0.30%) Corporate Banking
19 16 (0.25%) Law
20 11 (0.18%) Billing
Job Titles
1 4704 (74.90%) Developer
2 1480 (23.57%) Java Developer
3 760 (12.10%) Senior Developer
4 757 (12.05%) .NET Developer
5 631 (10.05%) C# Developer
6 533 (8.49%) JavaScript Developer
7 515 (8.20%) Agile Developer
8 371 (5.91%) C# .NET Developer
9 366 (5.83%) Front End Developer (Client-Side Developer)
10 336 (5.35%) Full Stack Developer
11 307 (4.89%) Senior Java Developer
12 298 (4.75%) Angular Developer
13 274 (4.36%) Agile Java Developer
14 224 (3.57%) Scala Developer
15 217 (3.46%) Node.js Developer
16 201 (3.20%) Tester
17 198 (3.15%) Architect
18 192 (3.06%) Analyst
19 181 (2.88%) Software Developer
20 172 (2.74%) HTML Developer
Libraries, Frameworks & Software Standards
1 1680 (26.75%) HTML
2 1559 (24.82%) CSS
3 1347 (21.45%) AngularJS
4 1346 (21.43%) .NET
5 1046 (16.66%) Spring
6 1010 (16.08%) Web Services
7 918 (14.62%) Node.js
8 911 (14.51%) HTML5
9 899 (14.32%) REST
10 842 (13.41%) RESTful
11 721 (11.48%) React
12 644 (10.25%) JSON
13 629 (10.02%) ASP.NET
14 580 (9.24%) XML
15 574 (9.14%) jQuery
16 572 (9.11%) CSS3
17 464 (7.39%) SOAP
18 406 (6.46%) Hibernate
19 403 (6.42%) ASP.NET Web API
20 399 (6.35%) ASP.NET MVC
Miscellaneous
1 540 (8.60%) Greenfield Project
2 369 (5.88%) User Experience
3 303 (4.82%) Mobile App
4 209 (3.33%) Analytical Skills
5 176 (2.80%) Computer Science
6 149 (2.37%) Fintech
7 122 (1.94%) Enterprise Software
8 114 (1.82%) Algorithms
9 86 (1.37%) Derivative
9 86 (1.37%) Foreign Exchange (FX)
10 82 (1.31%) Data Structures
11 80 (1.27%) Fixed Income
12 62 (0.99%) iPad
13 60 (0.96%) Virtual Team
14 48 (0.76%) iPhone
15 47 (0.75%) Public Cloud
16 46 (0.73%) Client/Server
17 41 (0.65%) Equities
18 38 (0.61%) Animation
19 37 (0.59%) Social Media
Operating Systems
1 720 (11.46%) Linux
2 342 (5.45%) Unix
3 249 (3.96%) Android
4 243 (3.87%) Apple iOS
5 241 (3.84%) Windows
6 99 (1.58%) Mac OS X
7 67 (1.07%) Red Hat Enterprise Linux
8 27 (0.43%) Solaris
8 27 (0.43%) Ubuntu
9 21 (0.33%) Windows Server
10 18 (0.29%) CentOS
10 18 (0.29%) CoreOS
11 14 (0.22%) VME
12 12 (0.19%) HPUX
13 8 (0.13%) VMS
14 5 (0.080%) Windows Server 2008
14 5 (0.080%) Windows Server 2012
15 4 (0.064%) Mac OS
16 3 (0.048%) Embedded Linux
17 2 (0.032%) SUSE
Processes & Methodologies
1 4914 (78.25%) Agile Software Development
2 2411 (38.39%) BDD
3 2029 (32.31%) Scrum
4 1597 (25.43%) Continuous Integration
5 1403 (22.34%) Test Automation
6 1109 (17.66%) MVC
7 1000 (15.92%) DevOps
8 964 (15.35%) OO
9 843 (13.42%) Kanban
10 839 (13.36%) Microservices
11 726 (11.56%) Software Engineering
12 682 (10.86%) Pair Programming
13 670 (10.67%) E-Commerce
14 594 (9.46%) Front End Development
15 543 (8.65%) Unit Testing
16 527 (8.39%) Open Source
17 526 (8.38%) SOA
18 459 (7.31%) Continuous Delivery
19 444 (7.07%) Web Development
20 408 (6.50%) Mentoring
Programming Languages
1 2755 (43.87%) Java
2 2332 (37.13%) JavaScript
3 1455 (23.17%) C#
4 1113 (17.72%) SQL
5 673 (10.72%) Python
6 569 (9.06%) Scala
7 480 (7.64%) Ruby
8 212 (3.38%) PHP
9 194 (3.09%) C++
10 189 (3.01%) ES6
11 145 (2.31%) Apple Swift
12 143 (2.28%) Groovy
13 136 (2.17%) T-SQL
14 128 (2.04%) Shell Script
15 125 (1.99%) Go
16 116 (1.85%) TypeScript
17 112 (1.78%) Objective-C
18 106 (1.69%) Perl
19 92 (1.46%) C
20 69 (1.10%) PL/SQL
Qualifications
1 247 (3.93%) Degree
2 237 (3.77%) Security Cleared
3 127 (2.02%) SC Cleared
4 64 (1.02%) BPSS Clearance
5 55 (0.88%) ISEB
6 38 (0.61%) DV Cleared
7 33 (0.53%) ISTQB
8 15 (0.24%) BC Cleared
9 14 (0.22%) CTC Cleared
10 13 (0.21%) ISTQB Foundation Certification
11 12 (0.19%) Sun Certification
12 11 (0.18%) Master's Degree
13 10 (0.16%) Microsoft Certification
14 5 (0.080%) MCTS
14 5 (0.080%) PMI Certification
14 5 (0.080%) PRINCE2 Practitioner
14 5 (0.080%) RHCE
14 5 (0.080%) RHCSA
15 4 (0.064%) DBS Check
15 4 (0.064%) MCPD
Quality Assurance & Compliance
1 511 (8.14%) QA
2 40 (0.64%) MiFID
3 36 (0.57%) WCAG
4 30 (0.48%) Disclosure Scotland
5 24 (0.38%) Data Quality
6 14 (0.22%) EMIR
7 12 (0.19%) Dodd-Frank
8 10 (0.16%) SLA
9 9 (0.14%) FATCA
10 6 (0.096%) WAI
11 5 (0.080%) PCI DSS
12 2 (0.032%) GxP
12 2 (0.032%) IFRS
12 2 (0.032%) IFRS 9
13 1 (0.016%) ISO 15288
13 1 (0.016%) ISO22301
13 1 (0.016%) PMO
System Software
1 477 (7.60%) Docker
2 46 (0.73%) HDFS
3 26 (0.41%) VMware Infrastructure
4 25 (0.40%) Apache Flume
4 25 (0.40%) Virtual Machines
5 21 (0.33%) Apache ZooKeeper
6 14 (0.22%) Active Directory
7 9 (0.14%) vSphere
8 7 (0.11%) Firmware
8 7 (0.11%) Varnish
9 5 (0.080%) GlusterFS
9 5 (0.080%) vCloud
9 5 (0.080%) VirtualBox
10 3 (0.048%) LXC
11 2 (0.032%) NFS
12 1 (0.016%) iptables
12 1 (0.016%) Xen
12 1 (0.016%) zsh
Systems Management
1 241 (3.84%) Puppet
2 215 (3.42%) Ansible
3 208 (3.31%) Opscode Chef
4 86 (1.37%) Kubernetes
5 61 (0.97%) Terraform
6 35 (0.56%) logstash
7 31 (0.49%) Salt
8 30 (0.48%) Kibana
9 27 (0.43%) Oozie
10 22 (0.35%) ZABBIX
11 21 (0.33%) Nagios
12 16 (0.25%) Graphite
13 15 (0.24%) Grafana
13 15 (0.24%) Hadoop YARN
13 15 (0.24%) HP Quality Center
14 11 (0.18%) Mesos
15 9 (0.14%) HP Fortify
16 8 (0.13%) Control-M
17 7 (0.11%) Prometheus
17 7 (0.11%) rkt
Vendors
1 471 (7.50%) Oracle
2 410 (6.53%) Microsoft
3 155 (2.47%) SAP
4 101 (1.61%) Sitecore
5 89 (1.42%) Google
5 89 (1.42%) WSO2
6 66 (1.05%) IBM
7 55 (0.88%) Red Hat
8 52 (0.83%) Splunk
9 48 (0.76%) Adobe
9 48 (0.76%) hybris
10 46 (0.73%) Xamarin
11 42 (0.67%) HP
12 41 (0.65%) Atlassian
13 39 (0.62%) New Relic
14 36 (0.57%) ATG
15 35 (0.56%) Apple
15 35 (0.56%) Perforce
16 33 (0.53%) MuleSoft
16 33 (0.53%) TIBCO
Luton, Bedfordshire
Cititec
Rate: £150 - £210 per annum
Posted: 15 hours ago
London
Brightred Resourcing Limited
Rate: Up to £400 per day
Posted: 14 hours ago
Berkshire
Brightred Resourcing Limited
Rate: Up to £400 per annum
Posted: 14 hours ago
London
Source Technology
Rate: From £500 to £600 per day
Posted: 22 hours ago
Sunderland, Tyne and Wear
Lorien Resourcing
Rate: Market daily rates
Posted: 22 hours ago
London
La Fosse Associates
Rate: £400 - £450 per day
Posted: 17 hours ago
City, London
Oliver Bernard
Rate: £400 - £475 per day
Posted: 14 hours ago
Central London / West End
Square One Resources
Rate: Up to £450 per day
Posted: Yesterday
Hove, East Sussex
McGregor Boyall
Rate: £350 - £450 per day
Posted: 17 hours ago
London
Elevate Direct
Rate: From £417 to £570 per day
Posted: 20 hours ago
London
Explore Group
Rate: £400 - £450 per day
Posted: 20 hours ago
City, London
Venturi
Rate: £500 - £650 per day
Posted: 15 hours ago
Leeds, West Yorkshire
Oliver Bernard
Rate: £500 - £530 per day
Posted: Yesterday
London
ISL
Posted: 20 hours ago
Swansea, West Glamorgan
Talent International
Rate: £300 - £400 per day
Posted: Yesterday
London
McGregor Boyall
Rate: £300 - £450 per day
Posted: 21 hours ago
London
Networking People
Rate: £300 - £330 per day
Posted: 15 hours ago
London
Talent Point Ltd
Rate: £500 - £510 per day
Posted: Yesterday
Hove, East Sussex
Canary Wharf and City
Rate: Up to £450 per day
Posted: 17 hours ago
Reading, Berkshire
Spectrum IT Recruitment (South) Ltd
Rate: negotiable
Posted: 16 hours ago
Gloucestershire
CPS Group UK
Rate: £325 - £375 per day
Posted: Yesterday
City, London
Oliver Bernard
Rate: £600 - £650 per day
Posted: 14 hours ago
Milton Keynes, Buckinghamshire
Explore Group
Rate: £450 - £550 per day
Posted: 16 hours ago
East London
Source Technology
Rate: From £650 to £750 per day
Posted: 22 hours ago
London
Explore Group
Rate: £450 - £500 per day
Posted: Yesterday
Twickenham, Middlesex
Digitech Resourcing Ltd
Rate: From £280 to £300 per day 3 Months Rolling
Posted: 2 days ago
Peterborough, Cambridgeshire
Kyna Associates
Rate: £300 Per Day Up to £300 per day
Posted: Yesterday
London
Sopra Steria Recruitment
Posted: 17 hours ago
London
Gravitas Recruitment Group
Posted: 22 hours ago
City, London
Formula Recruitment
Posted: 2 days ago