The table below looks at the statistics for TDD skills in IT contracts advertised for the City of London region. Included is a guide to the contractor rates offered in IT contracts that have cited TDD over the 3 months to 7 December 2016 with a comparison to the same period over the previous 2 years.

Note that daily contractor rates and hourly contractor rates are treated separately. When calculating average contractor rates, daily rates are not derived from quoted hourly rates or vice versa.

3 months to
7 Dec 2016
Same period 2015 Same period 2014
Test-Driven Development (TDD)
Rank 10 17 21
Rank change year-on-year
+7 +4
Contract jobs citing TDD 370 301 388
As % of all contract IT jobs located in the City of London 11.56% 8.70% 6.77%
As % of the Processes & Methodologies category 13.28% 10.34% 8.39%
Number of daily rates quoted 345 267 342
Median daily rate £525 £500 £450
Median daily rate % change year-on-year
+5.00% +11.11%
90% offered a daily rate of more than £400 £353 £350
10% offered a daily rate of more than £650 £600 £625
UK excluding London median daily rate £425 £388 £375
% change year-on-year
+9.67% +3.33%
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £39.76 £36.98 £38.25
% change year-on-year
+7.53% -3.33%
TDD
London

The following table is for comparison with the above and provides statistics for the entire Processes & Methodologies category in contract jobs advertised in the City of London region.

Processes & Methodologies Category
City of London
Contract IT job ads with a match in the
Processes & Methodologies category
2786 2911 4624
As % of all contract IT jobs located in the City of London 87.06% 84.13% 80.64%
Number of daily rates quoted 2207 2334 3614
Median daily rate £500 £475 £450
Median daily rate % change year-on-year
+5.26% +5.55%
90% offered a daily rate of more than £360 £308 £310
10% offered a daily rate of more than £650 £650 £625
UK excluding London median daily rate £413 £400 £385
% change year-on-year
+3.12% +3.89%
Number of hourly rates quoted 28 23 52
Median hourly rate £27.50 £25.00 £18.00
Median hourly rate % change year-on-year
+10.00% +38.88%
90% offered a hourly rate of more than £14.50 £18.70 £10.85
10% offered a hourly rate of more than £55.00 £52.60 £38.00
UK excluding London median hourly rate £31.00 £35.00 £25.00
% change year-on-year
-11.42% +40.00%

TDD
Jobs Demand Trend in the City of London

The demand trend of contract jobs across the City of London region citing TDD as a proportion of all IT contracts with a match in the Processes & Methodologies category.

TDD Jobs Demand Trend in the City of London

TDD
Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in IT contract jobs citing TDD across the City of London region.

TDD Daily Rate Trend in the City of London

TDD
Daily Rate Histogram in the City of London

This chart provides a histogram of daily rates quoted in contract IT jobs citing TDD across the City of London region over the 3 months to 7 December 2016.

TDD Daily Rate Histogram in the City of London

TDD
Hourly Rate Trend in the City of London

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

TDD Hourly Rate Trend in the City of London

TDD
Top 30 Related IT Skills in the City of London

For the 6 months to 7 December 2016, 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 City of London region with a requirement for TDD.

1 647 (85.36%) Agile Software Development
2 360 (47.49%) Java
3 358 (47.23%) BDD
4 282 (37.20%) JavaScript
5 263 (34.70%) HTML
6 236 (31.13%) Scrum
7 227 (29.95%) CSS
8 200 (26.39%) C#
9 198 (26.12%) Continuous Integration
10 184 (24.27%) .NET
11 181 (23.88%) AngularJS
12 175 (23.09%) Finance
13 159 (20.98%) HTML5
14 143 (18.87%) Amazon AWS
15 138 (18.21%) SQL
16 137 (18.07%) Pair Programming
17 134 (17.68%) MVC
18 133 (17.55%) Web Services
19 131 (17.28%) DevOps
20 128 (16.89%) Git (software)
21 122 (16.09%) Scala
22 121 (15.96%) MongoDB
23 118 (15.57%) REST
24 115 (15.17%) Python
25 114 (15.04%) OO
25 114 (15.04%) Banking
26 113 (14.91%) E-Commerce
26 113 (14.91%) Node.js
27 108 (14.25%) Microsoft Azure
28 106 (13.98%) Jenkins

TDD
Top Related IT Skills in the City of London 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 48 (6.33%) Apache Spark
2 33 (4.35%) Elasticsearch
3 26 (3.43%) Apache
4 10 (1.32%) Confluence
5 8 (1.06%) Cloud Foundry
5 8 (1.06%) Jetty
6 7 (0.92%) Mule
6 7 (0.92%) NServiceBus
6 7 (0.92%) WebSphere
7 6 (0.79%) JBoss
7 6 (0.79%) OpenStack
8 5 (0.66%) Mule ESB
8 5 (0.66%) Oracle Coherence
9 4 (0.53%) Adobe Experience Manager
9 4 (0.53%) FileNet
9 4 (0.53%) IBM Notes
9 4 (0.53%) IIS
10 3 (0.40%) Apache Solr
10 3 (0.40%) Umbraco
11 2 (0.26%) CMS
Applications
1 13 (1.72%) MS Excel
2 1 (0.13%) MS Visio
2 1 (0.13%) OmniGraffle
Business Applications
1 4 (0.53%) SAP Oil and Gas
2 2 (0.26%) Dynamics CRM
3 1 (0.13%) ReMetrica
Cloud Services
1 143 (18.87%) Amazon AWS
2 108 (14.25%) Microsoft Azure
3 18 (2.37%) Amazon EC2
3 18 (2.37%) TestFlight
4 13 (1.72%) GitHub
5 10 (1.32%) PaaS
6 9 (1.19%) AWS CloudFormation
7 8 (1.06%) Google Cloud Platform
8 7 (0.92%) IaaS
9 4 (0.53%) Cloud Computing
10 3 (0.40%) Google Analytics
10 3 (0.40%) SaaS
11 2 (0.26%) Amazon SQS
11 2 (0.26%) Azure Active Directory
11 2 (0.26%) Bluemix
11 2 (0.26%) Heroku
11 2 (0.26%) IBM Cloud
11 2 (0.26%) OpenShift
12 1 (0.13%) Oracle CX
12 1 (0.13%) Slack
Communications & Networking
1 51 (6.73%) HTTP
2 33 (4.35%) RTSP
3 30 (3.96%) MQTT
4 7 (0.92%) Internet
5 6 (0.79%) FTP
6 5 (0.66%) Network Security
7 4 (0.53%) SNMP
8 3 (0.40%) RTP
9 2 (0.26%) VPN
10 1 (0.13%) AMQP
10 1 (0.13%) Cisco Nexus
10 1 (0.13%) DMZ
10 1 (0.13%) LDAP
10 1 (0.13%) SSL
Database & Business Intelligence
1 121 (15.96%) MongoDB
2 88 (11.61%) SQL Server
3 78 (10.29%) NoSQL
4 68 (8.97%) MySQL
5 62 (8.18%) Hadoop
6 61 (8.05%) Apache Cassandra
7 47 (6.20%) Big Data
8 41 (5.41%) PostgreSQL
9 32 (4.22%) SQLite
10 27 (3.56%) Relational Database
11 18 (2.37%) Azure SQL Database
11 18 (2.37%) CouchDB
12 16 (2.11%) SQL Server 2012
13 15 (1.98%) Amazon DynamoDB
14 13 (1.72%) HBase
15 11 (1.45%) Neo4j
15 11 (1.45%) SQL Server 2014
16 9 (1.19%) Apache Hive
16 9 (1.19%) Couchbase
17 8 (1.06%) SQL Server Integration Services
Development Applications
1 128 (16.89%) Git (software)
2 106 (13.98%) Jenkins
3 50 (6.60%) Selenium
4 47 (6.20%) Cucumber
5 45 (5.94%) JIRA
6 41 (5.41%) Maven
7 37 (4.88%) Team Foundation Server
8 35 (4.62%) Subversion
8 35 (4.62%) WebDriver
9 34 (4.49%) TeamCity
10 26 (3.43%) JUnit
11 23 (3.03%) Jasmine
12 22 (2.90%) Gradle
12 22 (2.90%) Visual Studio
13 21 (2.77%) Bower
13 21 (2.77%) IntelliJ
14 20 (2.64%) gulp
14 20 (2.64%) Octopus Deploy
15 19 (2.51%) Grunt
15 19 (2.51%) NUnit
General
1 175 (23.09%) Finance
2 114 (15.04%) Banking
3 54 (7.12%) Investment Banking
4 48 (6.33%) Front Office
5 30 (3.96%) Back Office
6 25 (3.30%) Retail
7 21 (2.77%) Marketing
8 19 (2.51%) Financial Institution
9 10 (1.32%) Telecoms
10 8 (1.06%) Advertising
10 8 (1.06%) Law
11 7 (0.92%) Games
12 5 (0.66%) Publishing
13 4 (0.53%) Electronics
13 4 (0.53%) Manufacturing
14 3 (0.40%) Legal
15 1 (0.13%) Pharmaceutical
Job Titles
1 628 (82.85%) Developer
2 208 (27.44%) Java Developer
3 188 (24.80%) Senior Developer
4 92 (12.14%) Senior Java Developer
5 83 (10.95%) C# Developer
6 73 (9.63%) .NET Developer
7 60 (7.92%) Agile Developer
8 59 (7.78%) Scala Developer
9 56 (7.39%) Full Stack Developer
10 45 (5.94%) JavaScript Developer
11 43 (5.67%) Angular Developer
12 42 (5.54%) Front End Developer (Client-Side Developer)
13 40 (5.28%) C# .NET Developer
14 38 (5.01%) Agile Java Developer
15 37 (4.88%) AWS Developer
16 35 (4.62%) Python Developer
17 34 (4.49%) iOS Developer
18 30 (3.96%) HTML Developer
18 30 (3.96%) Node.js Developer
19 25 (3.30%) Senior iOS Developer
Libraries, Frameworks & Software Standards
1 263 (34.70%) HTML
2 227 (29.95%) CSS
3 184 (24.27%) .NET
4 181 (23.88%) AngularJS
5 159 (20.98%) HTML5
6 133 (17.55%) Web Services
7 118 (15.57%) REST
8 113 (14.91%) Node.js
9 105 (13.85%) CSS3
10 92 (12.14%) RESTful
11 82 (10.82%) JSON
12 78 (10.29%) ASP.NET
13 74 (9.76%) jQuery
14 73 (9.63%) React
15 64 (8.44%) Spring
16 61 (8.05%) Kafka
17 52 (6.86%) ASP.NET MVC
18 51 (6.73%) XML
19 50 (6.60%) RabbitMQ
20 43 (5.67%) Ajax
Miscellaneous
1 76 (10.03%) User Experience
2 48 (6.33%) Mobile App
3 46 (6.07%) Public Cloud
4 42 (5.54%) Analytical Skills
5 36 (4.75%) Computer Science
6 30 (3.96%) Video on Demand
7 25 (3.30%) Mathematics
8 22 (2.90%) Foreign Exchange (FX)
9 20 (2.64%) Fixed Income
10 19 (2.51%) Derivative
11 18 (2.37%) Streaming Video
12 16 (2.11%) Fintech
13 15 (1.98%) Equities
13 15 (1.98%) Management Information System
14 10 (1.32%) iPad
14 10 (1.32%) Semantic Web
15 9 (1.19%) Algorithms
15 9 (1.19%) iPhone
16 8 (1.06%) Equity Derivative
16 8 (1.06%) Physics
Operating Systems
1 62 (8.18%) Apple iOS
2 60 (7.92%) Linux
3 47 (6.20%) Android
4 31 (4.09%) Unix
5 23 (3.03%) Windows
6 8 (1.06%) Mac OS X
7 4 (0.53%) Ubuntu
8 2 (0.26%) Red Hat Enterprise Linux
8 2 (0.26%) Windows Server
9 1 (0.13%) Windows XP
Processes & Methodologies
1 647 (85.36%) Agile Software Development
2 358 (47.23%) BDD
3 236 (31.13%) Scrum
4 198 (26.12%) Continuous Integration
5 137 (18.07%) Pair Programming
6 134 (17.68%) MVC
7 131 (17.28%) DevOps
8 114 (15.04%) OO
9 113 (14.91%) E-Commerce
10 97 (12.80%) Kanban
11 95 (12.53%) Microservices
12 83 (10.95%) Software Engineering
13 77 (10.16%) Front End Development
14 70 (9.23%) High Availability
15 68 (8.97%) Unit Testing
16 62 (8.18%) Test Automation
17 60 (7.92%) Open Source
18 56 (7.39%) Automated Testing
18 56 (7.39%) OOP
19 54 (7.12%) Mentoring
Programming Languages
1 360 (47.49%) Java
2 282 (37.20%) JavaScript
3 200 (26.39%) C#
4 138 (18.21%) SQL
5 122 (16.09%) Scala
6 115 (15.17%) Python
7 42 (5.54%) C
8 41 (5.41%) Ruby
9 33 (4.35%) Apple Swift
9 33 (4.35%) C++
9 33 (4.35%) Objective-C
10 31 (4.09%) PHP
11 28 (3.69%) T-SQL
12 24 (3.17%) Clojure
13 20 (2.64%) ES6
14 17 (2.24%) Groovy
15 13 (1.72%) Go
15 13 (1.72%) XAML
16 9 (1.19%) PowerShell
17 8 (1.06%) Jython
Qualifications
1 37 (4.88%) Degree
2 12 (1.58%) Security Cleared
3 9 (1.19%) SC Cleared
4 8 (1.06%) ISEB
5 5 (0.66%) ISTQB Foundation Certification
6 3 (0.40%) DV Cleared
7 2 (0.26%) BPSS Clearance
8 1 (0.13%) CISSP
8 1 (0.13%) ISTQB
8 1 (0.13%) PhD
Quality Assurance & Compliance
1 52 (6.86%) QA
2 8 (1.06%) SDET
3 2 (0.26%) Disclosure Scotland
3 2 (0.26%) WCAG
4 1 (0.13%) Data Quality
4 1 (0.13%) FATCA
4 1 (0.13%) HL7
4 1 (0.13%) WAI
System Software
1 36 (4.75%) Docker
2 13 (1.72%) HDFS
3 11 (1.45%) Active Directory
4 5 (0.66%) Apache ZooKeeper
5 1 (0.13%) Virtual Machines
5 1 (0.13%) vSphere
Systems Management
1 27 (3.56%) Puppet
2 17 (2.24%) Opscode Chef
3 8 (1.06%) Ansible
4 3 (0.40%) HP Quality Center
4 3 (0.40%) logstash
5 2 (0.26%) Grafana
5 2 (0.26%) Kubernetes
5 2 (0.26%) Oozie
6 1 (0.13%) Kibana
6 1 (0.13%) Nagios
Vendors
1 38 (5.01%) Microsoft
2 33 (4.35%) Oracle
3 16 (2.11%) Google
3 16 (2.11%) New Relic
4 10 (1.32%) Apple
4 10 (1.32%) Zend
5 9 (1.19%) SAP
6 8 (1.06%) IBM
6 8 (1.06%) TIBCO
7 6 (0.79%) DevExpress
8 5 (0.66%) Atlassian
9 4 (0.53%) Canoo
9 4 (0.53%) Cognos
9 4 (0.53%) hybris
9 4 (0.53%) Lotus
9 4 (0.53%) MuleSoft
9 4 (0.53%) Salesforce.com
9 4 (0.53%) Solace
10 3 (0.40%) Demandware
10 3 (0.40%) Tableau
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