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 24 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
24 Mar 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
UK
Rank 25 29 41
Rank change year-on-year +4 +12  
Contract jobs citing TDD 3001 3086 2327
As % of all contract IT jobs advertised in the UK 6.63% 5.82% 4.42%
As % of the Processes & Methodologies category 7.97% 7.03% 5.54%
Number of daily rates quoted 2304 2444 1743
Median daily rate £460 £450 £425
Median daily rate % change year-on-year +2.22% +5.88%  
90% offered a daily rate of more than £326 £325 £320
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £408 £400 £375
% change year-on-year +1.87% +6.66%  
Number of hourly rates quoted 10 18 11
Median hourly rate £44.00 £48.00 £36.00
Median hourly rate % change year-on-year -8.33% +33.33%  
90% offered a hourly rate of more than £35.90 £37.85 £32.50
10% offered a hourly rate of more than £63.30 £67.50 £45.00
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 with a requirement for process and methodology skills.

Contract Process & Methodology Skills
UK
Contract job vacancies with a requirement for process and methodology skills 37647 43912 41983
As % of all contract IT job vacancies advertised in the UK 83.11% 82.85% 79.79%
Number of daily rates quoted 24815 28793 26009
Median daily rate £450 £425 £420
Median daily rate % change year-on-year +5.88% +1.19%  
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £410 £400 £400
% change year-on-year +2.50% -  
Number of hourly rates quoted 953 1109 1205
Median hourly rate £35.00 £37.50 £28.19
Median hourly rate % change year-on-year -6.66% +33.02%  
90% offered a hourly rate of more than £13.00 £13.00 £12.10
10% offered a hourly rate of more than £53.00 £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

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 24 March 2017.

Contractor daily rate histogram for TDD in the UK

TDD
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for hourly rates quoted in IT contractor 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 24 March 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 24 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
England +6 2867 £463 +2.77% 1245
London +3 1651 £488 -2.50% 641
South East +4 325 £425 +6.25% 169
City of London 0 321 £500 -4.76% 132
East of England +42 232 £475 +18.38% 70
Yorkshire +1 155 £404 -10.22% 65
North West -4 149 £423 +5.62% 124
Essex +32 106 £414 +3.37% 16
West Midlands +18 98 £400 -2.43% 43
East Midlands +49 91 £378 +0.66% 36
West Yorkshire -11 90 £400 -11.11% 38
South West +6 88 £355 -5.33% 86
North East +25 82 £350 -22.65% 10
Leeds -14 82 £400 -11.11% 33
Manchester -9 81 £380 -5.00% 79
Tyne and Wear +26 75 £350 -23.07% 10
Newcastle upon Tyne +26 72 £350 -23.07% 10
Scotland +13 72 £425 +17.24% 23
Surrey +16 64 £425 - 36
Hertfordshire +30 62 £525 +7.69% 20
South Yorkshire +25 59 £438 +34.61% 15
Hampshire +3 59 £525 +31.25% 42
Berkshire +43 58 £413 +10.00% 26
Sheffield +33 56 £450 +20.00% 9
Buckinghamshire +3 50 £356 -8.65% 13
Edinburgh +17 42 £438 +20.68% 7
Leicestershire +25 37 £380 +10.14% 4
Southend-on-Sea - 37 £495 -
Oxfordshire -13 35 £500 +17.64% 22
Bristol +6 33 £425 +13.33% 26

TDD
Top 30 Related IT Skills

For the 6 months to 24 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 with a requirement for TDD.

1 4851 (79.71%) Agile Software Development
2 2830 (46.50%) Java
3 2632 (43.25%) BDD
4 2187 (35.93%) JavaScript
5 2111 (34.69%) Scrum
6 1636 (26.88%) HTML
7 1514 (24.88%) Continuous Integration
8 1440 (23.66%) CSS
9 1408 (23.14%) C#
10 1300 (21.36%) AngularJS
11 1279 (21.02%) .NET
12 1221 (20.06%) Git (software)
13 1074 (17.65%) Web Services
14 1062 (17.45%) SQL
15 1005 (16.51%) MVC
16 1004 (16.50%) Spring
17 986 (16.20%) Finance
18 978 (16.07%) REST
19 931 (15.30%) Jenkins
20 909 (14.94%) HTML5
21 886 (14.56%) OO
22 884 (14.53%) DevOps
23 871 (14.31%) RESTful
24 849 (13.95%) Node.js
25 844 (13.87%) Kanban
26 763 (12.54%) Software Engineering
27 744 (12.22%) Microservices
28 679 (11.16%) SQL Server
29 673 (11.06%) E-Commerce
30 665 (10.93%) Linux

TDD
Top Related 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
1 237 (3.89%) Confluence
2 223 (3.66%) Apache Spark
3 208 (3.42%) Elasticsearch
4 159 (2.61%) Tomcat
5 138 (2.27%) Apache
6 130 (2.14%) JBoss
7 122 (2.00%) WebSphere
8 117 (1.92%) CMS
9 115 (1.89%) Oracle SOA Suite
10 85 (1.40%) SharePoint
11 80 (1.31%) WebLogic
12 63 (1.04%) IIS
13 59 (0.97%) Mule
14 57 (0.94%) Cloud Foundry
15 47 (0.77%) Adobe Experience Manager
16 46 (0.76%) Sitecore CMS
17 44 (0.72%) BizTalk Server
18 41 (0.67%) OpenStack
19 32 (0.53%) Apache Solr
19 32 (0.53%) WebSphere Application Server
Applications
1 180 (2.96%) MS Excel
2 26 (0.43%) Photoshop
3 24 (0.39%) MS Office
4 16 (0.26%) MS Visio
5 8 (0.13%) MS PowerPoint
6 7 (0.12%) MS Project
6 7 (0.12%) Spreadsheet
7 3 (0.049%) Adobe Creative Suite
7 3 (0.049%) Fireworks
8 2 (0.033%) Adobe Illustrator
9 1 (0.016%) GIMP
9 1 (0.016%) HipChat
Business Applications
1 90 (1.48%) SAP Oil and Gas
2 77 (1.27%) Dynamics CRM
3 34 (0.56%) Dynamics AX
4 23 (0.38%) Payment Gateway
5 15 (0.25%) Oracle BPM
6 13 (0.21%) ION MarketView
7 6 (0.099%) FastStats
7 6 (0.099%) Magento
8 4 (0.066%) BusinessWorks
8 4 (0.066%) SAP HR
8 4 (0.066%) SAP Hybris
9 3 (0.049%) SAP Business One
10 2 (0.033%) IBM Operational Decision Manager
10 2 (0.033%) Oracle Retail
11 1 (0.016%) BondVision
11 1 (0.016%) FLEXCUBE
11 1 (0.016%) NetSuite
11 1 (0.016%) Temenos T24
11 1 (0.016%) Unit4 Business World
11 1 (0.016%) VisionPLUS
Cloud Services
1 619 (10.17%) Amazon AWS
2 411 (6.75%) Microsoft Azure
3 229 (3.76%) GitHub
4 143 (2.35%) PaaS
5 91 (1.50%) IaaS
6 85 (1.40%) Amazon EC2
6 85 (1.40%) SaaS
7 37 (0.61%) AWS CloudFormation
8 35 (0.58%) AWS Lambda
9 31 (0.51%) Cloud Computing
10 29 (0.48%) Amazon SQS
11 26 (0.43%) Slack
12 23 (0.38%) Google Cloud Platform
13 22 (0.36%) Amazon S3
14 19 (0.31%) Heroku
15 13 (0.21%) AWS Elastic Beanstalk
15 13 (0.21%) Datadog
15 13 (0.21%) Office 365
16 11 (0.18%) Amazon EMR
17 10 (0.16%) OpenShift
Communications & Networking
1 266 (4.37%) HTTP
2 78 (1.28%) Internet
3 49 (0.81%) TCP/IP
4 41 (0.67%) SSL
5 24 (0.39%) AMQP
6 23 (0.38%) Intranet
7 22 (0.36%) DNS
8 18 (0.30%) LDAP
9 16 (0.26%) Network Security
10 14 (0.23%) RTSP
11 13 (0.21%) DVB
12 11 (0.18%) HTTPS
13 8 (0.13%) Kerberos
13 8 (0.13%) MQTT
14 7 (0.12%) Extranet
14 7 (0.12%) IP Telephony
14 7 (0.12%) RTP
14 7 (0.12%) Skype
14 7 (0.12%) SNMP
14 7 (0.12%) X.509
Database & Business Intelligence
1 679 (11.16%) SQL Server
2 555 (9.12%) NoSQL
3 454 (7.46%) MongoDB
4 352 (5.78%) Relational Database
5 323 (5.31%) MySQL
6 293 (4.81%) Big Data
7 261 (4.29%) Hadoop
8 240 (3.94%) PostgreSQL
9 204 (3.35%) Apache Cassandra
10 97 (1.59%) SQL Server 2012
11 92 (1.51%) Oracle Database
12 86 (1.41%) HBase
12 86 (1.41%) SQL Server 2008
13 85 (1.40%) SQL Server Integration Services
14 82 (1.35%) Redis
15 76 (1.25%) RDBMS
16 53 (0.87%) Apache Hive
16 53 (0.87%) DB2
17 46 (0.76%) SQL Server 2014
18 45 (0.74%) Azure SQL Database
Development Applications
1 1221 (20.06%) Git (software)
2 931 (15.30%) Jenkins
3 659 (10.83%) Selenium
4 627 (10.30%) JIRA
5 579 (9.51%) Cucumber
6 528 (8.68%) JUnit
7 472 (7.76%) Maven
8 308 (5.06%) Mockito
9 305 (5.01%) WebDriver
10 292 (4.80%) Team Foundation Server
11 276 (4.53%) Subversion
12 255 (4.19%) Gradle
13 227 (3.73%) TeamCity
14 224 (3.68%) Jasmine
15 170 (2.79%) gulp
16 165 (2.71%) Grunt
17 136 (2.23%) SpecFlow
18 130 (2.14%) NUnit
19 126 (2.07%) Visual Studio
20 118 (1.94%) Mocha
General
1 986 (16.20%) Finance
2 525 (8.63%) Banking
3 206 (3.38%) Retail
4 175 (2.88%) Marketing
5 172 (2.83%) Games
6 171 (2.81%) Investment Banking
7 148 (2.43%) Telecoms
8 138 (2.27%) Front Office
9 102 (1.68%) Manufacturing
10 94 (1.54%) Publishing
11 90 (1.48%) Electronics
12 86 (1.41%) Back Office
13 53 (0.87%) Advertising
14 32 (0.53%) Automotive
15 23 (0.38%) Legal
16 21 (0.35%) Financial Institution
17 17 (0.28%) Law
17 17 (0.28%) Retail Banking
18 9 (0.15%) Billing
19 7 (0.12%) German Language
Job Titles
1 4465 (73.37%) Developer
2 1509 (24.79%) Java Developer
3 782 (12.85%) Senior Developer
4 708 (11.63%) .NET Developer
5 594 (9.76%) C# Developer
6 535 (8.79%) JavaScript Developer
7 534 (8.77%) Agile Developer
8 363 (5.96%) C# .NET Developer
8 363 (5.96%) Senior Java Developer
9 326 (5.36%) Front End Developer (Client-Side Developer)
10 324 (5.32%) Agile Java Developer
11 298 (4.90%) Full Stack Developer
12 280 (4.60%) Angular Developer
13 249 (4.09%) Scala Developer
14 204 (3.35%) Software Engineer
15 203 (3.34%) Architect
16 189 (3.11%) Node.js Developer
17 187 (3.07%) Analyst
18 178 (2.92%) Tester
19 164 (2.69%) Software Developer
Libraries, Frameworks & Software Standards
1 1636 (26.88%) HTML
2 1440 (23.66%) CSS
3 1300 (21.36%) AngularJS
4 1279 (21.02%) .NET
5 1074 (17.65%) Web Services
6 1004 (16.50%) Spring
7 978 (16.07%) REST
8 909 (14.94%) HTML5
9 871 (14.31%) RESTful
10 849 (13.95%) Node.js
11 623 (10.24%) JSON
12 622 (10.22%) CSS3
13 619 (10.17%) React
14 599 (9.84%) ASP.NET
14 599 (9.84%) XML
15 556 (9.14%) jQuery
16 459 (7.54%) SOAP
17 404 (6.64%) Hibernate
18 382 (6.28%) ASP.NET MVC
19 372 (6.11%) ASP.NET Web API
Miscellaneous
1 388 (6.38%) User Experience
2 265 (4.35%) Mobile App
3 199 (3.27%) Analytical Skills
4 167 (2.74%) Computer Science
5 137 (2.25%) Fintech
6 103 (1.69%) Enterprise Software
7 100 (1.64%) Algorithms
8 80 (1.31%) Derivative
9 69 (1.13%) Fixed Income
9 69 (1.13%) Foreign Exchange (FX)
10 67 (1.10%) Data Structures
11 59 (0.97%) Virtual Team
12 58 (0.95%) iPad
13 46 (0.76%) iPhone
14 45 (0.74%) Equities
15 44 (0.72%) Public Cloud
16 40 (0.66%) Equity Derivative
17 35 (0.58%) Social Media
18 34 (0.56%) Animation
19 29 (0.48%) Blog
Operating Systems
1 665 (10.93%) Linux
2 309 (5.08%) Unix
3 277 (4.55%) Android
4 260 (4.27%) Apple iOS
5 215 (3.53%) Windows
6 75 (1.23%) Mac OS X
7 55 (0.90%) Red Hat Enterprise Linux
8 26 (0.43%) Solaris
9 24 (0.39%) Ubuntu
10 18 (0.30%) Windows Server
11 17 (0.28%) CoreOS
12 14 (0.23%) VME
13 11 (0.18%) HPUX
14 10 (0.16%) CentOS
15 6 (0.099%) Mac OS
16 5 (0.082%) VMS
16 5 (0.082%) Windows Phone
17 4 (0.066%) Windows Phone 8
18 3 (0.049%) Windows Server 2012
19 2 (0.033%) Windows XP
Processes & Methodologies
1 4851 (79.71%) Agile Software Development
2 2632 (43.25%) BDD
3 2111 (34.69%) Scrum
4 1514 (24.88%) Continuous Integration
5 1005 (16.51%) MVC
6 886 (14.56%) OO
7 884 (14.53%) DevOps
8 844 (13.87%) Kanban
9 763 (12.54%) Software Engineering
10 744 (12.22%) Microservices
11 673 (11.06%) E-Commerce
12 662 (10.88%) Pair Programming
13 524 (8.61%) Front End Development
14 489 (8.03%) Open Source
15 478 (7.85%) Unit Testing
16 476 (7.82%) Web Development
17 453 (7.44%) Test Automation
18 444 (7.30%) Automated Testing
19 443 (7.28%) SOA
20 427 (7.02%) Continuous Delivery
Programming Languages
1 2830 (46.50%) Java
2 2187 (35.93%) JavaScript
3 1408 (23.14%) C#
4 1062 (17.45%) SQL
5 658 (10.81%) Scala
6 608 (9.99%) Python
7 505 (8.30%) Ruby
8 207 (3.40%) C++
9 205 (3.37%) PHP
10 164 (2.69%) ES6
11 138 (2.27%) Apple Swift
12 120 (1.97%) Groovy
13 119 (1.96%) Shell Script
14 114 (1.87%) Objective-C
15 113 (1.86%) T-SQL
16 99 (1.63%) C
17 98 (1.61%) Go
18 80 (1.31%) Perl
19 75 (1.23%) PowerShell
20 66 (1.08%) TypeScript
Qualifications
1 257 (4.22%) Degree
2 226 (3.71%) Security Cleared
3 124 (2.04%) SC Cleared
4 65 (1.07%) ISEB
5 54 (0.89%) BPSS Clearance
6 42 (0.69%) ISTQB
7 25 (0.41%) DV Cleared
8 18 (0.30%) BC Cleared
9 16 (0.26%) ISTQB Foundation Certification
9 16 (0.26%) Sun Certification
10 12 (0.20%) PhD
11 11 (0.18%) Microsoft Certification
12 5 (0.082%) CTC Cleared
12 5 (0.082%) MCAD
12 5 (0.082%) MCSD
12 5 (0.082%) MCTS
13 4 (0.066%) CFA
14 3 (0.049%) MCPD
14 3 (0.049%) PMI Certification
14 3 (0.049%) PMP
Quality Assurance & Compliance
1 492 (8.08%) QA
2 56 (0.92%) SDET
3 49 (0.81%) WCAG
4 37 (0.61%) Disclosure Scotland
5 27 (0.44%) Data Quality
6 25 (0.41%) MiFID
7 22 (0.36%) FATCA
8 14 (0.23%) EMIR
9 13 (0.21%) SLA
10 12 (0.20%) Dodd-Frank
11 11 (0.18%) PCI DSS
12 6 (0.099%) WAI
13 1 (0.016%) GCP
13 1 (0.016%) HL7
13 1 (0.016%) IFRS
13 1 (0.016%) IFRS 9
13 1 (0.016%) PMO
13 1 (0.016%) Sarbanes-Oxley
13 1 (0.016%) SAS 70
System Software
1 478 (7.85%) Docker
2 39 (0.64%) HDFS
3 31 (0.51%) VMware Infrastructure
4 27 (0.44%) Apache Flume
5 26 (0.43%) Virtual Machines
6 16 (0.26%) Active Directory
7 10 (0.16%) Apache ZooKeeper
7 10 (0.16%) vSphere
8 9 (0.15%) LXC
9 6 (0.099%) Varnish
9 6 (0.099%) vCloud
9 6 (0.099%) VirtualBox
10 5 (0.082%) GlusterFS
11 4 (0.066%) Firmware
11 4 (0.066%) Shibboleth
12 3 (0.049%) NFS
13 1 (0.016%) Hyper-V
13 1 (0.016%) Xen
Systems Management
1 213 (3.50%) Puppet
2 175 (2.88%) Opscode Chef
3 164 (2.69%) Ansible
4 42 (0.69%) Kubernetes
5 35 (0.58%) logstash
6 34 (0.56%) Terraform
7 27 (0.44%) Kibana
8 23 (0.38%) Salt
9 22 (0.36%) HP Quality Center
10 21 (0.35%) Nagios
11 19 (0.31%) Oozie
12 15 (0.25%) Grafana
12 15 (0.25%) Mesos
13 12 (0.20%) ZABBIX
14 11 (0.18%) rkt
15 9 (0.15%) Hadoop YARN
16 6 (0.099%) HockeyApp
17 5 (0.082%) Capistrano
17 5 (0.082%) HP Fortify
17 5 (0.082%) Rancher
Vendors
1 437 (7.18%) Microsoft
2 428 (7.03%) Oracle
3 128 (2.10%) SAP
4 97 (1.59%) Sitecore
5 75 (1.23%) Google
6 61 (1.00%) IBM
7 60 (0.99%) Splunk
8 57 (0.94%) WSO2
9 51 (0.84%) hybris
10 48 (0.79%) MuleSoft
11 47 (0.77%) Adobe
11 47 (0.77%) Red Hat
12 42 (0.69%) Atlassian
13 40 (0.66%) ATG
14 38 (0.62%) HP
15 35 (0.58%) Perforce
15 35 (0.58%) VMware
16 33 (0.54%) Solace
17 32 (0.53%) Xamarin
18 31 (0.51%) Apigee
City, London
Source Technology
Rate: From £400 to £500 per day
Posted: 4 hours ago
London
Oliver Bernard
Rate: £600 - £650 per day
Posted: 8 hours ago
Leeds, West Yorkshire
The Bridge Ltd
Rate: From £400 to £450 per day 4 months likely to extend.
Posted: 10 hours ago
Southampton, Hampshire
Opus Recruitment Solutions Ltd
Rate: Negotiable
Posted: 3 hours ago
London
AMS contingency
Posted: 9 hours ago
Merseyside
Harvey Nash plc
Posted: 4 hours ago
North London
Understanding Recruitment
Rate: £350 - £500 per day
Posted: Yesterday
Manchester, Lancashire
Oscar
Rate: £400 - £500 per day
Posted: 7 hours ago
London
Oliver Bernard
Rate: £400 - £500 per day + Flexi Working (Some WFH)
Posted: 11 hours ago
London
Ebury
Rate: £400.00 - £450.00 per day
Posted: 2 hours ago
Central London / West End
JWResource
Rate: From £500 to £550 per day 500 to 550pd for 6 months minimum
Posted: 2 hours ago
London
Ebury
Rate: £400.00 - £450.00 per day
Posted: 2 hours ago
City, London
Oliver James Associates
Rate: £450 - £600 per day
Posted: 4 hours ago
East London
4it Recruitment Ltd
Rate: From £350 to £420 per day 6 Months initially
Posted: 3 hours ago
London
Ebury
Rate: £454.00 per day
Posted: 1 hour ago
London
Client Server
Rate: £500 - £550 per day
Posted: 8 hours ago
South East London
Lorien Resourcing
Rate: £350 - £400 per day
Posted: 3 hours ago
City, London
Oliver Bernard
Rate: £500 - £600 per day
Posted: Yesterday
City, London
Oliver James Associates
Rate: £475 - £575 per day
Posted: 4 hours ago
London
AMS contingency
Rate: Negotiable
Posted: 7 hours ago
Camberley, Surrey
Initi8 Recruitment
Rate: £450 - £475 Per Day
Posted: 6 hours ago
London
Oliver Bernard
Rate: £524 - £578 per day
Posted: 3 hours ago
Stonehouse, Gloucestershire
Experis Ltd
Rate: £375 - £400 per day
Posted: 10 hours ago
South East London
Vantage Recruitment Solutions Ltd
Rate: Up to £375 per day
Posted: Yesterday
London
Opus Resourcing Ltd
Rate: £450 - £530 per day + 6 Months
Posted: 3 hours ago
Swansea, West Glamorgan
Talent International
Rate: £300 - £400 per day
Posted: Yesterday
London
Square One Resources
Rate: Up to £475 per day for 12 months
Posted: 9 hours ago
Oxfordshire
Opus Recruitment Solutions Ltd
Rate: Market Rates
Posted: 7 hours ago
London
Oliver Bernard
Rate: £450 - £550 per day
Posted: 7 hours ago
City, London
E-synergy Solutions
Rate: £450 - £475 per day
Posted: Yesterday