The following table provides summary statistics for contract job vacancies advertised in the City of London 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 22 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
22 Mar 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
London / City of London
Rank 9 9 22
Rank change year-on-year 0 +13  
Contract jobs citing TDD 316 344 340
As % of all contract IT jobs advertised in the City of London 10.64% 10.52% 6.79%
As % of the Processes & Methodologies category 12.44% 11.99% 8.23%
Number of daily rates quoted 282 315 293
Median daily rate £500 £525 £475
Median daily rate % change year-on-year -4.76% +10.52%  
90% offered a daily rate of more than £360 £375 £350
10% offered a daily rate of more than £625 £625 £600
UK excluding London median daily rate £405 £400 £375
% change year-on-year +1.25% +6.66%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
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 the City of London with a requirement for process and methodology skills.

Contract Process & Methodology Skills
City of London
Contract job vacancies with a requirement for process and methodology skills 2540 2868 4133
As % of all contract IT job vacancies advertised in the City of London 85.49% 87.73% 82.59%
Number of daily rates quoted 2000 2298 3186
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 £345 £325 £313
10% offered a daily rate of more than £625 £625 £625
UK excluding London median daily rate £409 £400 £398
% change year-on-year +2.25% +0.62%  
Number of hourly rates quoted 20 23 35
Median hourly rate £16.00 £19.99 £20.45
Median hourly rate % change year-on-year -19.95% -2.22%  
90% offered a hourly rate of more than £13.50 £13.00 £12.50
10% offered a hourly rate of more than £43.84 £47.50 £92.50
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 the City of London

The job posting trend of jobs advertised in the City of London 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 City of London

TDD
Contractor Daily Rate Trend in the City of London

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

Contractor daily rate trend for TDD in the City of London

TDD
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing TDD in the City of London over the 3 months to 22 March 2017.

Contractor daily rate histogram for TDD in the City of London

TDD
Contractor 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 in the City of London.

Contractor hourly rate trend for TDD in the City of London

TDD
Top 30 Related IT Skills in the City of London

For the 6 months to 22 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 City of London region with a requirement for TDD.

1 527 (79.37%) Agile Software Development
2 305 (45.93%) Java
2 305 (45.93%) BDD
3 236 (35.54%) JavaScript
4 217 (32.68%) Scrum
5 187 (28.16%) C#
6 179 (26.96%) HTML
7 171 (25.75%) Finance
8 166 (25.00%) Continuous Integration
9 155 (23.34%) CSS
10 142 (21.39%) .NET
11 141 (21.23%) AngularJS
12 129 (19.43%) Web Services
13 121 (18.22%) OO
14 119 (17.92%) MVC
15 112 (16.87%) SQL Server
15 112 (16.87%) REST
16 110 (16.57%) SQL
17 108 (16.27%) Microservices
18 107 (16.11%) Banking
19 101 (15.21%) HTML5
20 100 (15.06%) Spring
21 95 (14.31%) Pair Programming
22 94 (14.16%) RESTful
23 91 (13.70%) Node.js
24 90 (13.55%) Amazon AWS
24 90 (13.55%) Scala
25 89 (13.40%) DevOps
26 87 (13.10%) NoSQL
27 85 (12.80%) Kanban

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 40 (6.02%) Apache Spark
2 22 (3.31%) BizTalk Server
2 22 (3.31%) IIS
2 22 (3.31%) SharePoint
3 17 (2.56%) Apache
4 15 (2.26%) Elasticsearch
5 14 (2.11%) Confluence
6 10 (1.51%) Tomcat
7 8 (1.20%) JBoss
8 7 (1.05%) WebLogic
9 6 (0.90%) Mule
10 5 (0.75%) Jetty
11 4 (0.60%) Cloud Foundry
11 4 (0.60%) FileNet
11 4 (0.60%) IBM Notes
12 3 (0.45%) Adobe Experience Manager
12 3 (0.45%) DataSynapse
12 3 (0.45%) Drupal
12 3 (0.45%) Oracle Coherence
13 2 (0.30%) Umbraco
Applications
1 23 (3.46%) MS Excel
2 1 (0.15%) Photoshop
Business Applications
1 22 (3.31%) Dynamics CRM
2 21 (3.16%) Dynamics AX
3 2 (0.30%) SAP Oil and Gas
4 1 (0.15%) Endur
4 1 (0.15%) ION MarketView
4 1 (0.15%) Payment Gateway
Cloud Services
1 90 (13.55%) Amazon AWS
2 74 (11.14%) Microsoft Azure
3 32 (4.82%) PaaS
4 29 (4.37%) IaaS
5 15 (2.26%) GitHub
6 11 (1.66%) AWS CloudFormation
7 7 (1.05%) Amazon EC2
8 6 (0.90%) Slack
8 6 (0.90%) TestFlight
9 3 (0.45%) AWS Lambda
10 2 (0.30%) Amazon SQS
10 2 (0.30%) Azure Active Directory
10 2 (0.30%) Datadog
11 1 (0.15%) AWS Elastic Beanstalk
11 1 (0.15%) Firebase
11 1 (0.15%) Google Cloud Platform
11 1 (0.15%) Heroku
11 1 (0.15%) SaaS
11 1 (0.15%) Trello
Communications & Networking
1 34 (5.12%) HTTP
2 15 (2.26%) RTSP
3 8 (1.20%) MQTT
4 7 (1.05%) RTP
5 3 (0.45%) Internet
6 2 (0.30%) LDAP
6 2 (0.30%) SNMP
6 2 (0.30%) VPN
7 1 (0.15%) Bluetooth
7 1 (0.15%) DMZ
7 1 (0.15%) FTP
7 1 (0.15%) Intranet
7 1 (0.15%) Kerberos
7 1 (0.15%) LAN
7 1 (0.15%) WAN
Database & Business Intelligence
1 112 (16.87%) SQL Server
2 87 (13.10%) NoSQL
3 75 (11.30%) MongoDB
4 51 (7.68%) Apache Cassandra
5 37 (5.57%) MySQL
6 36 (5.42%) Hadoop
7 34 (5.12%) SQL Server Integration Services
8 30 (4.52%) Big Data
9 25 (3.77%) SQL Server 2012
10 24 (3.61%) SQL Server 2008
11 23 (3.46%) Relational Database
12 15 (2.26%) SQL Server 2016
13 14 (2.11%) SQL Server 2014
14 13 (1.96%) PostgreSQL
14 13 (1.96%) SQLite
15 11 (1.66%) Neo4j
16 9 (1.36%) HBase
17 7 (1.05%) Couchbase
17 7 (1.05%) CouchDB
18 6 (0.90%) Azure SQL Database
Development Applications
1 83 (12.50%) Git (software)
2 82 (12.35%) Jenkins
3 66 (9.94%) JIRA
4 57 (8.58%) Selenium
5 43 (6.48%) Cucumber
5 43 (6.48%) WebDriver
6 39 (5.87%) Team Foundation Server
7 35 (5.27%) Maven
8 31 (4.67%) Jasmine
9 29 (4.37%) Mockito
10 26 (3.92%) JUnit
11 24 (3.61%) Grunt
11 24 (3.61%) Subversion
12 21 (3.16%) NUnit
13 20 (3.01%) gulp
13 20 (3.01%) SpecFlow
14 17 (2.56%) TeamCity
15 16 (2.41%) Mocha
15 16 (2.41%) Moq
16 15 (2.26%) MSTest
General
1 171 (25.75%) Finance
2 107 (16.11%) Banking
3 45 (6.78%) Investment Banking
4 32 (4.82%) Front Office
5 24 (3.61%) Back Office
6 15 (2.26%) Advertising
6 15 (2.26%) Marketing
7 13 (1.96%) Retail
8 10 (1.51%) Telecoms
9 8 (1.20%) Games
10 7 (1.05%) Publishing
11 3 (0.45%) Financial Institution
11 3 (0.45%) Retail Banking
12 2 (0.30%) Electronics
12 2 (0.30%) Law
12 2 (0.30%) Manufacturing
13 1 (0.15%) Automotive
13 1 (0.15%) Legal
13 1 (0.15%) Pharmaceutical
Job Titles
1 536 (80.72%) Developer
2 179 (26.96%) Java Developer
3 133 (20.03%) Senior Developer
4 71 (10.69%) C# Developer
5 69 (10.39%) Senior Java Developer
6 59 (8.89%) Full Stack Developer
7 55 (8.28%) .NET Developer
8 49 (7.38%) JavaScript Developer
9 47 (7.08%) Agile Developer
9 47 (7.08%) Scala Developer
10 33 (4.97%) Angular Developer
11 28 (4.22%) Agile Java Developer
11 28 (4.22%) Node.js Developer
12 24 (3.61%) C# .NET Developer
12 24 (3.61%) Microsoft Developer
12 24 (3.61%) WPF Developer
13 21 (3.16%) C# WPF Developer
13 21 (3.16%) Developer in Test
13 21 (3.16%) Dynamics AX Developer
13 21 (3.16%) Python Developer
Libraries, Frameworks & Software Standards
1 179 (26.96%) HTML
2 155 (23.34%) CSS
3 142 (21.39%) .NET
4 141 (21.23%) AngularJS
5 129 (19.43%) Web Services
6 112 (16.87%) REST
7 101 (15.21%) HTML5
8 100 (15.06%) Spring
9 94 (14.16%) RESTful
10 91 (13.70%) Node.js
11 72 (10.84%) React
12 64 (9.64%) CSS3
13 62 (9.34%) WCF
14 61 (9.19%) ASP.NET
15 51 (7.68%) JSON
16 47 (7.08%) ASP.NET MVC
17 46 (6.93%) jQuery
18 43 (6.48%) WPF
19 36 (5.42%) Hibernate
19 36 (5.42%) J2EE
Miscellaneous
1 39 (5.87%) User Experience
2 37 (5.57%) Mobile App
3 33 (4.97%) Fintech
4 22 (3.31%) Public Cloud
5 20 (3.01%) Computer Science
6 18 (2.71%) Foreign Exchange (FX)
7 17 (2.56%) Analytical Skills
8 16 (2.41%) Derivative
9 10 (1.51%) Client/Server
9 10 (1.51%) Data Structures
10 9 (1.36%) Streaming Video
11 8 (1.20%) Fixed Income
11 8 (1.20%) iPad
11 8 (1.20%) Video on Demand
12 7 (1.05%) Equity Derivative
12 7 (1.05%) MPEG
13 6 (0.90%) Credit Risk
13 6 (0.90%) Market Risk
14 5 (0.75%) Equities
15 4 (0.60%) Grid Computing
Operating Systems
1 52 (7.83%) Linux
2 46 (6.93%) Windows
3 42 (6.33%) Android
3 42 (6.33%) Apple iOS
4 40 (6.02%) Unix
5 8 (1.20%) Mac OS X
6 6 (0.90%) Red Hat Enterprise Linux
7 5 (0.75%) Windows Server
8 1 (0.15%) Ubuntu
8 1 (0.15%) Windows Server 2012
Processes & Methodologies
1 527 (79.37%) Agile Software Development
2 305 (45.93%) BDD
3 217 (32.68%) Scrum
4 166 (25.00%) Continuous Integration
5 121 (18.22%) OO
6 119 (17.92%) MVC
7 108 (16.27%) Microservices
8 95 (14.31%) Pair Programming
9 89 (13.40%) DevOps
10 85 (12.80%) Kanban
11 74 (11.14%) Software Engineering
12 73 (10.99%) E-Commerce
13 63 (9.49%) Unit Testing
14 61 (9.19%) Multithreading
15 50 (7.53%) SOA
16 49 (7.38%) Automated Testing
17 48 (7.23%) OOP
17 48 (7.23%) Open Source
18 47 (7.08%) Front End Development
18 47 (7.08%) Mentoring
Programming Languages
1 305 (45.93%) Java
2 236 (35.54%) JavaScript
3 187 (28.16%) C#
4 110 (16.57%) SQL
5 90 (13.55%) Scala
6 64 (9.64%) Python
7 30 (4.52%) T-SQL
8 27 (4.07%) Ruby
9 24 (3.61%) ES6
10 20 (3.01%) Apple Swift
10 20 (3.01%) C++
11 17 (2.56%) PHP
12 16 (2.41%) C
12 16 (2.41%) Groovy
13 15 (2.26%) Objective-C
14 12 (1.81%) Bash Shell
15 10 (1.51%) PowerShell
16 8 (1.20%) Go
16 8 (1.20%) TypeScript
17 7 (1.05%) PL/SQL
Qualifications
1 24 (3.61%) Degree
2 7 (1.05%) ISEB
3 6 (0.90%) Security Cleared
4 5 (0.75%) SC Cleared
5 3 (0.45%) ISTQB Foundation Certification
6 1 (0.15%) BPSS Clearance
6 1 (0.15%) CFA
6 1 (0.15%) DV Cleared
6 1 (0.15%) ISTQB
6 1 (0.15%) PhD
Quality Assurance & Compliance
1 41 (6.17%) QA
2 6 (0.90%) SDET
3 3 (0.45%) Data Quality
4 1 (0.15%) Disclosure Scotland
4 1 (0.15%) HL7
4 1 (0.15%) MiFID
4 1 (0.15%) PCI DSS
4 1 (0.15%) WAI
4 1 (0.15%) WCAG
System Software
1 45 (6.78%) Docker
2 7 (1.05%) Active Directory
3 5 (0.75%) HDFS
4 2 (0.30%) Apache ZooKeeper
5 1 (0.15%) vCloud
5 1 (0.15%) VMware Infrastructure
Systems Management
1 28 (4.22%) Puppet
2 18 (2.71%) Opscode Chef
3 12 (1.81%) Ansible
4 6 (0.90%) Kubernetes
5 4 (0.60%) Terraform
6 2 (0.30%) logstash
6 2 (0.30%) Mesos
6 2 (0.30%) Nagios
6 2 (0.30%) Oozie
6 2 (0.30%) Salt
7 1 (0.15%) Control-M
7 1 (0.15%) Grafana
7 1 (0.15%) Graphite
7 1 (0.15%) HAProxy
7 1 (0.15%) HP Quality Center
7 1 (0.15%) Marathon
7 1 (0.15%) OpenIDM
Vendors
1 68 (10.24%) Microsoft
2 23 (3.46%) Oracle
3 12 (1.81%) New Relic
4 9 (1.36%) TIBCO
5 7 (1.05%) Brightcove
5 7 (1.05%) Google
6 6 (0.90%) Red Hat
6 6 (0.90%) Zend
7 5 (0.75%) SAP
8 4 (0.60%) Cognos
8 4 (0.60%) Lotus
9 3 (0.45%) Atlassian
9 3 (0.45%) Infragistics
9 3 (0.45%) Salesforce.com
9 3 (0.45%) Splunk
10 2 (0.30%) Apigee
10 2 (0.30%) DevExpress
10 2 (0.30%) hybris
10 2 (0.30%) MuleSoft
10 2 (0.30%) Talend
City of London
Lawrence Harvey
Rate: £350 - £450 per day
Posted: 16 hours ago
City, London
Oliver James Associates
Rate: £450 - £600 per day
Posted: 4 hours ago
City of London
Talent Point
Rate: £450.00 - £530.00 per day
Posted: 11 hours ago
City, London
Oliver James Associates
Rate: £475 - £575 per day
Posted: 4 hours ago
City, London
ANSON MCCADE
Rate: £450 - £550 per day
Posted: Yesterday
City, London
TEKsystems
Rate: £600 - £700 per day
Posted: 11 hours ago
City of London
Arrows Group Ltd
Rate: £400 - £500 per day
Posted: Yesterday
City, London
E-synergy Solutions
Rate: £450 - £550 per day
Posted: Yesterday
City, London
Wenham Carter Ltd
Posted: 13 hours ago
City of London
Arrows Group Ltd
Rate: £450 - £550 per day
Posted: Yesterday
City, London
Oliver Bernard
Rate: £625 - £700 per day
Posted: Yesterday
City, London
ANSON MCCADE
Rate: £450 - £550 per day
Posted: Yesterday
City of London
Arrows Group Ltd
Rate: £500 - £600 per day
Posted: Yesterday
City, London
Oliver Bernard
Rate: £550 - £600 per day
Posted: Yesterday
City of London
Pearson Frank
Rate: £300 - £350 per day
Posted: Yesterday
City, London
Intrinsic Recruitment Ltd
Rate: Market Rates + Bonus & Benefits
Posted: 2 days ago
City of London
Arrows Group Ltd
Rate: £500 - £600 per day + negotiable
Posted: Yesterday
City, London
TEKsystems
Rate: £350 - £400 per day
Posted: 2 days ago
City of London
Pearson Frank
Rate: £300 - £350 per day
Posted: 2 days ago
City, London
Intrinsic Recruitment Ltd
Rate: Market Rates + Bonus & Benefits
Posted: 2 days ago
City, London
Burns Sheehan
Rate: £450.00 - £490.00 per day
Posted: 2 days ago
City of London
Arrows Group Ltd
Rate: £500 - £600 per day
Posted: 2 days ago
City, London
Morgan Mckinley
Rate: £450 - £475 per day
Posted: 3 days ago
City of London
Lawrence Harvey
Rate: £400 - £500 per day
Posted: 2 days ago
City, London
ANSON MCCADE
Rate: Circa £400-500 per day
Posted: 6 days ago
City, London
E-synergy Solutions
Rate: £350 - £370 per annum
Posted: 5 days ago
City of London
Lawrence Harvey
Rate: £450.00 - £550.00 per day
Posted: 2 days ago
City, London
ANSON MCCADE
Rate: Circa £450-550 per day
Posted: 6 days ago
City, London
ANSON MCCADE
Rate: £400 - £550 per day
Posted: 5 days ago
City of London
Talent Point
Rate: £450.00 - £530.00 per day
Posted: 7 days ago