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 29 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.

Test-Driven Development (TDD)
UK
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 25 29 40
Rank change year-on-year +4 +11  
Contract jobs citing TDD 3010 3146 2392
As % of all contract IT jobs advertised in the UK 6.65% 5.84% 4.48%
As % of the Processes & Methodologies category 8.01% 7.06% 5.61%
Number of daily rates quoted 2314 2499 1785
Median daily rate £451 £450 £423
Median daily rate % change year-on-year +0.11% +6.50%  
90% offered a daily rate of more than £328 £325 £320
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £400 £400 £375
% change year-on-year - +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 37580 44576 42623
As % of all contract IT job vacancies advertised in the UK 83.08% 82.82% 79.74%
Number of daily rates quoted 24839 29287 26403
Median daily rate £450 £430 £418
Median daily rate % change year-on-year +4.77% +2.87%  
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 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 953 1111 1229
Median hourly rate £35.00 £37.50 £28.25
Median hourly rate % change year-on-year -6.66% +32.74%  
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 £35.75 £38.50 £30.00
% change year-on-year -7.14% +28.33%  

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 29 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 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 29 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 29 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 +5 2874 £463 +2.77% 1189
London +3 1665 £490 -2.00% 589
South East -1 334 £425 +6.25% 163
City of London 0 328 £500 -4.76% 132
East of England +38 224 £465 +16.25% 65
Yorkshire +2 156 £413 -8.33% 66
North West -1 143 £420 +5.00% 124
Essex +30 108 £400 - 10
East Midlands +54 92 £375 -9.09% 42
West Midlands +17 92 £400 -4.19% 45
West Yorkshire -11 91 £400 -11.11% 42
South West +4 90 £365 -2.66% 78
Leeds -11 83 £400 -11.11% 35
North East +30 82 £350 -22.22% 15
Manchester -8 82 £380 -5.00% 75
Tyne and Wear +26 75 £350 -22.65% 13
Scotland +17 75 £410 +17.14% 18
Newcastle upon Tyne +22 72 £350 -22.65% 13
Surrey +16 69 £425 - 35
Berkshire +41 60 £406 +8.33% 20
South Yorkshire +33 59 £450 +38.46% 10
Hampshire +3 58 £525 +31.25% 46
Sheffield +35 56 £450 +20.00% 4
Hertfordshire +27 53 £525 +7.69% 19
Buckinghamshire +7 52 £375 -3.84% 17
Edinburgh +21 44 £430 +18.62% 7
Leicestershire +27 37 £380 +10.14% 6
Oxfordshire -5 37 £500 +17.64% 17
Bristol +2 35 £425 +13.33% 20
Southend-on-Sea - 35 £495 -

For the 6 months to 29 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 4827 (79.57%) Agile Software Development
2 2808 (46.29%) Java
3 2591 (42.71%) BDD
4 2200 (36.27%) JavaScript
5 2100 (34.62%) Scrum
6 1637 (26.99%) HTML
7 1515 (24.98%) Continuous Integration
8 1452 (23.94%) CSS
9 1396 (23.01%) C#
10 1309 (21.58%) AngularJS
11 1271 (20.95%) .NET
12 1230 (20.28%) Git (software)
13 1075 (17.72%) SQL
14 1063 (17.52%) Web Services
15 1015 (16.73%) Spring
16 1008 (16.62%) MVC
17 976 (16.09%) REST
18 972 (16.02%) Finance
19 929 (15.31%) Jenkins
20 902 (14.87%) HTML5
21 889 (14.66%) DevOps
22 884 (14.57%) OO
23 872 (14.38%) RESTful
24 845 (13.93%) Node.js
25 842 (13.88%) Kanban
26 758 (12.50%) Software Engineering
27 749 (12.35%) Microservices
28 683 (11.26%) SQL Server
29 678 (11.18%) E-Commerce
30 660 (10.88%) Linux

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
1 234 (3.86%) Confluence
2 218 (3.59%) Apache Spark
3 207 (3.41%) Elasticsearch
4 158 (2.60%) Tomcat
5 134 (2.21%) Apache
6 129 (2.13%) JBoss
7 121 (1.99%) CMS
7 121 (1.99%) WebSphere
8 115 (1.90%) Oracle SOA Suite
9 88 (1.45%) SharePoint
10 80 (1.32%) WebLogic
11 60 (0.99%) IIS
12 59 (0.97%) Mule
13 56 (0.92%) Cloud Foundry
14 50 (0.82%) Adobe Experience Manager
15 47 (0.77%) Sitecore CMS
16 43 (0.71%) BizTalk Server
17 40 (0.66%) OpenStack
18 33 (0.54%) Apache Solr
19 32 (0.53%) NServiceBus
Applications
1 182 (3.00%) MS Excel
2 31 (0.51%) Photoshop
3 24 (0.40%) 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 4 (0.066%) Adobe Creative Suite
7 4 (0.066%) Adobe Illustrator
8 3 (0.049%) Fireworks
9 1 (0.016%) GIMP
9 1 (0.016%) HipChat
9 1 (0.016%) OmniGraffle
Business Applications
1 89 (1.47%) SAP Oil and Gas
2 81 (1.34%) Dynamics CRM
3 34 (0.56%) Dynamics AX
4 23 (0.38%) Payment Gateway
5 15 (0.25%) ION MarketView
6 13 (0.21%) Oracle BPM
7 7 (0.12%) Magento
8 6 (0.099%) FastStats
9 5 (0.082%) SAP Hybris
10 4 (0.066%) BusinessWorks
10 4 (0.066%) SAP HR
11 3 (0.049%) SAP Business One
12 2 (0.033%) IBM Operational Decision Manager
12 2 (0.033%) Oracle Retail
12 2 (0.033%) SDL Web 8
13 1 (0.016%) BondVision
13 1 (0.016%) CODA-Financials
13 1 (0.016%) Endur
13 1 (0.016%) Temenos T24
13 1 (0.016%) Unit4 Business World
Cloud Services
1 618 (10.19%) Amazon AWS
2 404 (6.66%) Microsoft Azure
3 233 (3.84%) GitHub
4 131 (2.16%) PaaS
5 89 (1.47%) Amazon EC2
6 83 (1.37%) IaaS
7 77 (1.27%) SaaS
8 38 (0.63%) AWS Lambda
9 35 (0.58%) AWS CloudFormation
10 32 (0.53%) Cloud Computing
11 31 (0.51%) Amazon SQS
12 27 (0.45%) Slack
13 25 (0.41%) Amazon S3
14 23 (0.38%) Google Cloud Platform
15 15 (0.25%) Heroku
16 13 (0.21%) Datadog
17 12 (0.20%) AWS Elastic Beanstalk
17 12 (0.20%) Google Play
17 12 (0.20%) Office 365
18 11 (0.18%) Amazon EMR
Communications & Networking
1 265 (4.37%) HTTP
2 77 (1.27%) Internet
3 47 (0.77%) TCP/IP
4 41 (0.68%) SSL
5 23 (0.38%) Intranet
6 22 (0.36%) AMQP
6 22 (0.36%) DNS
7 18 (0.30%) LDAP
8 16 (0.26%) Network Security
9 14 (0.23%) DVB
10 12 (0.20%) RTSP
11 10 (0.16%) HTTPS
12 8 (0.13%) Kerberos
12 8 (0.13%) Skype
13 7 (0.12%) Extranet
13 7 (0.12%) IP Telephony
13 7 (0.12%) RTP
13 7 (0.12%) SNMP
14 6 (0.099%) X.509
15 5 (0.082%) Firewall
Database & Business Intelligence
1 683 (11.26%) SQL Server
2 549 (9.05%) NoSQL
3 459 (7.57%) MongoDB
4 349 (5.75%) Relational Database
5 323 (5.32%) MySQL
6 289 (4.76%) Big Data
7 259 (4.27%) Hadoop
8 242 (3.99%) PostgreSQL
9 201 (3.31%) Apache Cassandra
10 96 (1.58%) SQL Server 2012
11 89 (1.47%) Oracle Database
12 88 (1.45%) HBase
13 86 (1.42%) SQL Server Integration Services
14 84 (1.38%) SQL Server 2008
15 79 (1.30%) Redis
16 77 (1.27%) RDBMS
17 52 (0.86%) Apache Hive
17 52 (0.86%) DB2
18 46 (0.76%) Azure SQL Database
19 44 (0.73%) Amazon DynamoDB
Development Applications
1 1230 (20.28%) Git (software)
2 929 (15.31%) Jenkins
3 649 (10.70%) Selenium
4 617 (10.17%) JIRA
5 574 (9.46%) Cucumber
6 526 (8.67%) JUnit
7 466 (7.68%) Maven
8 307 (5.06%) Mockito
9 298 (4.91%) WebDriver
10 293 (4.83%) Team Foundation Server
11 272 (4.48%) Subversion
12 256 (4.22%) Gradle
13 233 (3.84%) TeamCity
14 225 (3.71%) Jasmine
15 172 (2.84%) gulp
16 163 (2.69%) Grunt
17 130 (2.14%) NUnit
17 130 (2.14%) SpecFlow
18 128 (2.11%) Visual Studio
19 125 (2.06%) Mocha
General
1 972 (16.02%) Finance
2 525 (8.65%) Banking
3 214 (3.53%) Retail
4 173 (2.85%) Marketing
5 171 (2.82%) Investment Banking
6 169 (2.79%) Games
7 147 (2.42%) Telecoms
8 136 (2.24%) Front Office
9 101 (1.67%) Manufacturing
10 91 (1.50%) Publishing
11 89 (1.47%) Electronics
12 87 (1.43%) Back Office
13 53 (0.87%) Advertising
14 32 (0.53%) Automotive
15 23 (0.38%) Legal
16 20 (0.33%) Financial Institution
17 19 (0.31%) Retail Banking
18 18 (0.30%) Law
19 9 (0.15%) Billing
20 7 (0.12%) German Language
Job Titles
1 4463 (73.57%) Developer
2 1494 (24.63%) Java Developer
3 782 (12.89%) Senior Developer
4 706 (11.64%) .NET Developer
5 583 (9.61%) C# Developer
6 531 (8.75%) JavaScript Developer
7 526 (8.67%) Agile Developer
8 355 (5.85%) C# .NET Developer
9 353 (5.82%) Senior Java Developer
10 332 (5.47%) Front End Developer (Client-Side Developer)
11 317 (5.23%) Agile Java Developer
12 304 (5.01%) Full Stack Developer
13 277 (4.57%) Angular Developer
14 238 (3.92%) Scala Developer
15 203 (3.35%) Architect
16 198 (3.26%) Software Engineer
17 187 (3.08%) Node.js Developer
18 183 (3.02%) Analyst
19 182 (3.00%) Tester
20 166 (2.74%) Software Developer
Libraries, Frameworks & Software Standards
1 1637 (26.99%) HTML
2 1452 (23.94%) CSS
3 1309 (21.58%) AngularJS
4 1271 (20.95%) .NET
5 1063 (17.52%) Web Services
6 1015 (16.73%) Spring
7 976 (16.09%) REST
8 902 (14.87%) HTML5
9 872 (14.38%) RESTful
10 845 (13.93%) Node.js
11 628 (10.35%) JSON
12 624 (10.29%) React
13 619 (10.20%) CSS3
14 597 (9.84%) XML
15 595 (9.81%) ASP.NET
16 555 (9.15%) jQuery
17 459 (7.57%) SOAP
18 405 (6.68%) Hibernate
19 379 (6.25%) ASP.NET MVC
20 375 (6.18%) ASP.NET Web API
Miscellaneous
1 390 (6.43%) User Experience
2 278 (4.58%) Mobile App
3 196 (3.23%) Analytical Skills
4 167 (2.75%) Computer Science
5 131 (2.16%) Fintech
6 104 (1.71%) Enterprise Software
7 101 (1.67%) Algorithms
8 77 (1.27%) Derivative
9 67 (1.10%) Fixed Income
10 66 (1.09%) Data Structures
11 64 (1.06%) Foreign Exchange (FX)
12 58 (0.96%) iPad
13 57 (0.94%) Virtual Team
14 45 (0.74%) iPhone
15 44 (0.73%) Public Cloud
16 43 (0.71%) Equities
17 36 (0.59%) Equity Derivative
17 36 (0.59%) Social Media
18 35 (0.58%) Animation
19 29 (0.48%) Blog
Operating Systems
1 660 (10.88%) Linux
2 311 (5.13%) Unix
3 281 (4.63%) Android
4 265 (4.37%) Apple iOS
5 209 (3.45%) Windows
6 76 (1.25%) Mac OS X
7 56 (0.92%) Red Hat Enterprise Linux
8 28 (0.46%) Solaris
9 25 (0.41%) Ubuntu
10 18 (0.30%) Windows Server
11 17 (0.28%) CoreOS
12 14 (0.23%) VME
13 12 (0.20%) HPUX
14 11 (0.18%) CentOS
15 6 (0.099%) Mac OS
16 5 (0.082%) VMS
17 4 (0.066%) Windows Phone
18 3 (0.049%) Windows Phone 8
18 3 (0.049%) Windows Server 2012
19 2 (0.033%) Windows Server 2008
Processes & Methodologies
1 4827 (79.57%) Agile Software Development
2 2591 (42.71%) BDD
3 2100 (34.62%) Scrum
4 1515 (24.98%) Continuous Integration
5 1008 (16.62%) MVC
6 889 (14.66%) DevOps
7 884 (14.57%) OO
8 842 (13.88%) Kanban
9 758 (12.50%) Software Engineering
10 749 (12.35%) Microservices
11 678 (11.18%) E-Commerce
12 654 (10.78%) Pair Programming
13 536 (8.84%) Front End Development
14 488 (8.04%) Open Source
15 476 (7.85%) Unit Testing
16 475 (7.83%) Web Development
17 459 (7.57%) Test Automation
18 453 (7.47%) Automated Testing
19 450 (7.42%) SOA
20 410 (6.76%) Continuous Delivery
Programming Languages
1 2808 (46.29%) Java
2 2200 (36.27%) JavaScript
3 1396 (23.01%) C#
4 1075 (17.72%) SQL
5 643 (10.60%) Scala
6 604 (9.96%) Python
7 497 (8.19%) Ruby
8 207 (3.41%) C++
9 203 (3.35%) PHP
10 165 (2.72%) ES6
11 144 (2.37%) Apple Swift
12 121 (1.99%) Groovy
13 120 (1.98%) Shell Script
14 117 (1.93%) Objective-C
15 111 (1.83%) T-SQL
16 98 (1.62%) C
17 97 (1.60%) Go
18 82 (1.35%) Perl
19 76 (1.25%) PowerShell
20 66 (1.09%) TypeScript
Qualifications
1 253 (4.17%) Degree
2 231 (3.81%) Security Cleared
3 124 (2.04%) SC Cleared
4 62 (1.02%) ISEB
5 57 (0.94%) BPSS Clearance
6 40 (0.66%) 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 10 (0.16%) Microsoft Certification
12 6 (0.099%) CTC Cleared
13 5 (0.082%) MCAD
13 5 (0.082%) MCSD
13 5 (0.082%) MCTS
14 4 (0.066%) CFA
15 3 (0.049%) MBA
15 3 (0.049%) PMI Certification
15 3 (0.049%) PMP
Quality Assurance & Compliance
1 498 (8.21%) QA
2 54 (0.89%) SDET
3 47 (0.77%) WCAG
4 38 (0.63%) Disclosure Scotland
5 26 (0.43%) Data Quality
5 26 (0.43%) MiFID
6 21 (0.35%) FATCA
7 15 (0.25%) EMIR
8 12 (0.20%) Dodd-Frank
8 12 (0.20%) SLA
9 11 (0.18%) PCI DSS
10 6 (0.099%) WAI
11 1 (0.016%) GCP
11 1 (0.016%) HL7
11 1 (0.016%) IFRS
11 1 (0.016%) IFRS 9
11 1 (0.016%) PMO
11 1 (0.016%) Sarbanes-Oxley
11 1 (0.016%) SAS 70
System Software
1 479 (7.90%) Docker
2 38 (0.63%) HDFS
3 31 (0.51%) VMware Infrastructure
4 27 (0.45%) Virtual Machines
5 26 (0.43%) Apache Flume
6 16 (0.26%) Active Directory
7 10 (0.16%) Apache ZooKeeper
7 10 (0.16%) vSphere
8 8 (0.13%) 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
1 202 (3.33%) Puppet
2 170 (2.80%) Opscode Chef
3 163 (2.69%) Ansible
4 48 (0.79%) Kubernetes
5 38 (0.63%) logstash
6 33 (0.54%) Terraform
7 27 (0.45%) Kibana
8 24 (0.40%) Nagios
9 23 (0.38%) Salt
10 19 (0.31%) HP Quality Center
10 19 (0.31%) Oozie
11 16 (0.26%) 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%) Graphite
16 6 (0.099%) HockeyApp
17 5 (0.082%) Rancher
17 5 (0.082%) yum
Vendors
1 435 (7.17%) Microsoft
2 423 (6.97%) Oracle
3 127 (2.09%) SAP
4 98 (1.62%) Sitecore
5 78 (1.29%) Google
6 62 (1.02%) IBM
7 58 (0.96%) Splunk
8 56 (0.92%) WSO2
9 52 (0.86%) hybris
10 50 (0.82%) Adobe
11 49 (0.81%) MuleSoft
12 48 (0.79%) Red Hat
13 41 (0.68%) ATG
14 37 (0.61%) Atlassian
14 37 (0.61%) HP
14 37 (0.61%) Xamarin
15 36 (0.59%) Perforce
16 35 (0.58%) VMware
17 33 (0.54%) Solace
18 31 (0.51%) TIBCO
London
Austin Fraser
Rate: £400 - £425 per day
Posted: 1 hour ago
Central London / West End
JWResource
Rate: From £500 to £600 per day 500 to 550pd for 6 months minimum
Posted: 21 minutes ago
North London
ReThink Recruitment
Rate: £350 - £450 per day
Posted: 1 hour ago
City, London
Oliver Bernard
Rate: £425 - £450 per day + benefits
Posted: 18 hours ago
London
Premier IT
Rate: £300 - £350 per day
Posted: 18 hours ago
West London
Experis Ltd
Rate: £322.84 - £363.20 per day
Posted: 1 hour ago
Leeds, West Yorkshire
Hydrogen Group
Rate: £400.00 - £440.00 per day
Posted: 19 hours ago
Oxfordshire
Opus Recruitment Solutions Ltd
Rate: Market Rates
Posted: 2 hours ago
London
Premier IT
Rate: £450 - £500 per annum
Posted: 20 hours ago
London
Oliver Bernard
Rate: £450 - £500 per day
Posted: 20 hours ago
City, London
ANSON MCCADE
Rate: Up to £600 per day on a rolling 3 month contract
Posted: 22 hours ago
Leicestershire
Lawrence Harvey Enterprise
Rate: £300.00 - £380.00 per day
Posted: Yesterday
City, London
Ebury
Rate: £430.00 - £454.00 per day
Posted: 17 hours ago
City, London
TEKsystems
Rate: £550 - £650 per day
Posted: 22 hours ago
Swindon, Wiltshire
Engage PSG
Rate: £350 - £450 per day
Posted: 23 hours ago
London
Oliver Bernard
Rate: £400 - £500 per day
Posted: Yesterday
Taunton, Somerset
Spring Technology
Posted: Yesterday
City, London
Bridge Noble
Rate: £400 - £500 per day
Posted: 16 hours ago
London
Client Server
Rate: £475 - £500 per day
Posted: 22 hours ago
City, London
TEKsystems
Rate: £350 - £425 per day
Posted: 16 hours ago
Greater Manchester
Oscar
Rate: £300 - £325 per day
Posted: Yesterday
London
Harvey Nash plc
Rate: £550 - £600 per day
Posted: 23 hours ago
City, London
TEKsystems
Rate: £400 - £500 per day
Posted: 21 hours ago
Surrey
Initi8 Recruitment
Rate: £400 - £475 Per Day
Posted: 16 hours ago
City, London
Evolution Recruitment Solutions
Posted: 20 hours ago
Swindon, Wiltshire
Austin Fraser
Rate: £375 - £475 per day
Posted: 18 hours ago
Cheshire
Oscar
Rate: £360 per day
Posted: 17 hours ago
London
Involved Solutions Ltd
Rate: £350 - £375 per day
Posted: 2 days ago
Coventry, West Midlands (County)
TEKsystems
Rate: £350 - £351 per day
Posted: 2 days ago
London
Oliver Bernard
Rate: £500 - £525 per day
Posted: 2 days ago