The following table provides summary statistics for contract job vacancies advertised in Leeds 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 27 June 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)
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 9 5 22
Rank change year-on-year -4 +17  
Contract jobs citing TDD 132 258 107
As % of all contract IT jobs advertised in Leeds 11.98% 17.22% 7.00%
As % of the Processes & Methodologies category 13.59% 19.41% 8.07%
Number of daily rates quoted 113 194 94
Median daily rate £420 £444 £335
Median daily rate % change year-on-year -5.35% +32.46%  
90% offered a daily rate of more than £375 £350 £300
10% offered a daily rate of more than £500 £500 £425
UK excluding London median daily rate £420 £413 £375
% change year-on-year +1.81% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £41.50 £40.00 £43.75
% change year-on-year +3.75% -8.57%  

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 Leeds with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Leeds
Contract job vacancies with a requirement for process and methodology skills 971 1329 1326
As % of all contract IT job vacancies advertised in Leeds 88.11% 88.72% 86.78%
Number of daily rates quoted 656 943 985
Median daily rate £405 £425 £356
Median daily rate % change year-on-year -4.70% +19.38%  
90% offered a daily rate of more than £315 £320 £275
10% offered a daily rate of more than £535 £565 £515
UK excluding London median daily rate £415 £400 £385
% change year-on-year +3.75% +3.89%  
Number of hourly rates quoted 10 12 21
Median hourly rate £15.25 £14.50 £17.50
Median hourly rate % change year-on-year +5.17% -17.14%  
90% offered a hourly rate of more than £12.00 £10.20 £9.35
10% offered a hourly rate of more than £28.27 £170.00 £175.00
UK excluding London median hourly rate £34.00 £28.50 £30.00
% change year-on-year +19.29% -5.00%  

TDD
Job Vacancy Trend in Leeds

The job posting trend of jobs advertised in Leeds 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 Leeds

TDD
Contractor Daily Rate Trend in Leeds

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

Contractor daily rate trend for TDD in Leeds

TDD
Contractor Daily Rate Histogram in Leeds

The daily rate distribution of IT jobs citing TDD in Leeds over the 3 months to 27 June 2017.

Contractor daily rate histogram for TDD in Leeds

For the 6 months to 27 June 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 Leeds region with a requirement for TDD.

1 178 (83.57%) Agile Software Development
2 121 (56.81%) Java
3 83 (38.97%) BDD
4 78 (36.62%) JavaScript
5 54 (25.35%) Spring
6 50 (23.47%) Test Automation
7 48 (22.54%) SQL
8 47 (22.07%) HTML
9 45 (21.13%) Node.js
10 44 (20.66%) Git (software)
11 43 (20.19%) Continuous Integration
12 42 (19.72%) MySQL
12 42 (19.72%) AngularJS
13 41 (19.25%) NoSQL
13 41 (19.25%) MongoDB
13 41 (19.25%) Software Engineering
14 40 (18.78%) Open Source
15 38 (17.84%) CSS
15 38 (17.84%) Scrum
16 37 (17.37%) MVC
17 35 (16.43%) Jenkins
18 34 (15.96%) Python
19 33 (15.49%) Hibernate
19 33 (15.49%) Microservices
20 32 (15.02%) React
20 32 (15.02%) Scala
21 30 (14.08%) DevOps
22 29 (13.62%) Linux
23 28 (13.15%) JIRA
23 28 (13.15%) REST

TDD
Co-occurring IT Skills in Leeds 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 17 (7.98%) Confluence
2 9 (4.23%) CMS
3 7 (3.29%) Sitecore CMS
4 6 (2.82%) Tomcat
5 4 (1.88%) Apache Solr
5 4 (1.88%) Elasticsearch
6 3 (1.41%) Apache
7 2 (0.94%) Apache Spark
8 1 (0.47%) OpenStack
Applications
1 2 (0.94%) MS Visio
2 1 (0.47%) Adobe After Effects
2 1 (0.47%) Adobe Illustrator
2 1 (0.47%) Microsoft Excel
2 1 (0.47%) Photoshop
Cloud Services
1 11 (5.16%) Slack
2 6 (2.82%) Amazon AWS
3 4 (1.88%) Google Cloud Platform
3 4 (1.88%) IaaS
3 4 (1.88%) Loggly
3 4 (1.88%) Sumo Logic
4 2 (0.94%) GitHub
5 1 (0.47%) Amazon EC2
5 1 (0.47%) Amazon Kinesis
5 1 (0.47%) SaaS
Communications & Networking
1 10 (4.69%) Firewall
2 4 (1.88%) BGP
2 4 (1.88%) EIGRP
2 4 (1.88%) Internet
3 3 (1.41%) Cisco Nexus
3 3 (1.41%) DWDM
3 3 (1.41%) MPLS
3 3 (1.41%) VLAN
3 3 (1.41%) WAN
4 2 (0.94%) HTTP
5 1 (0.47%) Cisco ASA
5 1 (0.47%) Cisco IOS
5 1 (0.47%) DMVPN
5 1 (0.47%) DNS
5 1 (0.47%) F5 BIG-IP GTM
5 1 (0.47%) F5 BIG-IP LTM
5 1 (0.47%) IOS XR
5 1 (0.47%) WLAN
Database & Business Intelligence
1 42 (19.72%) MySQL
2 41 (19.25%) MongoDB
2 41 (19.25%) NoSQL
3 26 (12.21%) Apache Cassandra
4 22 (10.33%) PostgreSQL
5 15 (7.04%) SQL Server
6 11 (5.16%) CouchDB
7 9 (4.23%) Relational Database
8 8 (3.76%) Couchbase
9 5 (2.35%) RDBMS
9 5 (2.35%) Riak
9 5 (2.35%) SQL Server 2005
9 5 (2.35%) SQL Server 2008
10 2 (0.94%) Big Data
10 2 (0.94%) Hadoop
11 1 (0.47%) Amazon DynamoDB
11 1 (0.47%) HBase
11 1 (0.47%) Redis
Development Applications
1 44 (20.66%) Git (software)
2 35 (16.43%) Jenkins
3 28 (13.15%) JIRA
4 25 (11.74%) Cucumber
5 22 (10.33%) JUnit
6 18 (8.45%) Selenium
7 16 (7.51%) Jasmine
8 12 (5.63%) Maven
9 11 (5.16%) Grunt
10 8 (3.76%) WebDriver
11 7 (3.29%) Subversion
12 5 (2.35%) jMock
12 5 (2.35%) Karma Test Runner
12 5 (2.35%) Mocha
12 5 (2.35%) Mockito
12 5 (2.35%) Protractor
12 5 (2.35%) Vagrant
13 3 (1.41%) Hudson
13 3 (1.41%) JBehave
14 2 (0.94%) Mercurial
General
1 10 (4.69%) Telecoms
2 8 (3.76%) Finance
3 1 (0.47%) Back Office
3 1 (0.47%) Banking
3 1 (0.47%) Games
3 1 (0.47%) Marketing
3 1 (0.47%) Publishing
Job Titles
1 164 (77.00%) Developer
2 67 (31.46%) Java Developer
3 31 (14.55%) JavaScript Developer
4 20 (9.39%) Android Developer
5 18 (8.45%) iOS Developer
6 16 (7.51%) Java Scala Developer
6 16 (7.51%) Scala Developer
7 15 (7.04%) .NET Developer
8 14 (6.57%) Tester
9 13 (6.10%) Agile Developer
10 12 (5.63%) Automation Tester
11 11 (5.16%) Front End Developer (Client-Side Developer)
11 11 (5.16%) Java Engineer
12 10 (4.69%) PHP Developer
12 10 (4.69%) Software Engineer
13 9 (4.23%) Agile Java Developer
13 9 (4.23%) Java Automation Tester
13 9 (4.23%) Selenium Tester
13 9 (4.23%) Senior Developer
13 9 (4.23%) Software Developer
Libraries, Frameworks & Software Standards
1 54 (25.35%) Spring
2 47 (22.07%) HTML
3 45 (21.13%) Node.js
4 42 (19.72%) AngularJS
5 38 (17.84%) CSS
6 33 (15.49%) Hibernate
7 32 (15.02%) React
8 28 (13.15%) REST
9 26 (12.21%) HTML5
10 25 (11.74%) .NET
10 25 (11.74%) ASP.NET
10 25 (11.74%) ASP.NET MVC
11 21 (9.86%) RESTful
12 20 (9.39%) CSS3
13 18 (8.45%) Android SDK
13 18 (8.45%) jQuery
13 18 (8.45%) Web Services
14 14 (6.57%) ASP.NET Web API
14 14 (6.57%) Play Framework
15 13 (6.10%) RabbitMQ
Miscellaneous
1 25 (11.74%) Mobile App
2 15 (7.04%) Greenfield Project
3 13 (6.10%) iPhone
4 12 (5.63%) Algorithms
4 12 (5.63%) Data Structures
5 10 (4.69%) User Experience
6 7 (3.29%) Analytical Skills
7 4 (1.88%) Data Centre
8 3 (1.41%) iPad
8 3 (1.41%) Mainframe
8 3 (1.41%) RIA
8 3 (1.41%) Wiki
9 2 (0.94%) Enterprise Software
9 2 (0.94%) Virtual Team
10 1 (0.47%) Fintech
10 1 (0.47%) Linux Command Line
10 1 (0.47%) Management Information System
10 1 (0.47%) NHS
10 1 (0.47%) Replication
10 1 (0.47%) W3C
Operating Systems
1 29 (13.62%) Linux
2 27 (12.68%) Android
3 20 (9.39%) Apple iOS
4 12 (5.63%) Red Hat Enterprise Linux
5 1 (0.47%) CoreOS
5 1 (0.47%) Unix
5 1 (0.47%) Windows
Processes & Methodologies
1 178 (83.57%) Agile Software Development
2 83 (38.97%) BDD
3 50 (23.47%) Test Automation
4 43 (20.19%) Continuous Integration
5 41 (19.25%) Software Engineering
6 40 (18.78%) Open Source
7 38 (17.84%) Scrum
8 37 (17.37%) MVC
9 33 (15.49%) Microservices
10 30 (14.08%) DevOps
11 27 (12.68%) Android Development
12 23 (10.80%) Front End Development
12 23 (10.80%) Pair Programming
13 21 (9.86%) Kanban
14 20 (9.39%) iOS Development
15 18 (8.45%) Configuration Management
16 17 (7.98%) SDLC
17 14 (6.57%) OO
18 13 (6.10%) Unit Testing
18 13 (6.10%) User Stories
Programming Languages
1 121 (56.81%) Java
2 78 (36.62%) JavaScript
3 48 (22.54%) SQL
4 34 (15.96%) Python
5 32 (15.02%) Scala
6 22 (10.33%) C#
7 18 (8.45%) Apple Swift
8 17 (7.98%) PHP
9 16 (7.51%) Ruby
10 10 (4.69%) Groovy
10 10 (4.69%) Perl
11 8 (3.76%) T-SQL
12 7 (3.29%) Bash Shell
12 7 (3.29%) Objective-C
13 5 (2.35%) Go
14 3 (1.41%) C++
15 1 (0.47%) C
15 1 (0.47%) ECMAScript
15 1 (0.47%) Erlang
15 1 (0.47%) Haskell
Qualifications
1 6 (2.82%) Degree
2 4 (1.88%) CCNP
2 4 (1.88%) Cisco Certification
3 3 (1.41%) ISEB
4 2 (0.94%) BPSS Clearance
4 2 (0.94%) Computer Science Degree
4 2 (0.94%) CTC Cleared
4 2 (0.94%) Security Cleared
Quality Assurance & Compliance
1 13 (6.10%) QA
System Software
1 21 (9.86%) Docker
2 2 (0.94%) VMware Infrastructure
3 1 (0.47%) HDFS
3 1 (0.47%) VirtualBox
3 1 (0.47%) vSphere
Systems Management
1 10 (4.69%) Ansible
1 10 (4.69%) Puppet
2 9 (4.23%) Opscode Chef
3 5 (2.35%) Salt
4 4 (1.88%) Nagios
4 4 (1.88%) ZABBIX
5 3 (1.41%) Prometheus
6 2 (0.94%) Kubernetes
7 1 (0.47%) Cisco CUCM
7 1 (0.47%) Cobbler
7 1 (0.47%) FortiGate
7 1 (0.47%) HP UCMDB
7 1 (0.47%) OPNET
Vendors
1 12 (5.63%) Oracle
2 10 (4.69%) Red Hat
3 7 (3.29%) Sitecore
3 7 (3.29%) Splunk
4 5 (2.35%) Google
5 4 (1.88%) F5
5 4 (1.88%) New Relic
5 4 (1.88%) Rackspace
5 4 (1.88%) SaltStack
6 3 (1.41%) BT
6 3 (1.41%) hybris
6 3 (1.41%) Microsoft
7 2 (0.94%) Apple
7 2 (0.94%) VMware
7 2 (0.94%) Zend
8 1 (0.47%) Adobe
8 1 (0.47%) Blue Coat
8 1 (0.47%) Fortinet
8 1 (0.47%) Motorola
8 1 (0.47%) TippingPoint
Leeds, West Yorkshire
Experis Ltd
Posted: 1 hour ago
Leeds
Pearson Frank
Rate: £300 - £400 per day
Posted: Yesterday
Leeds, West Yorkshire
TEKsystems
Rate: £400 - £450 per day
Posted: 3 days ago
Leeds, West Yorkshire
Hydrogen Group
Rate: £400.00 - £440.00 per day
Posted: 4 days ago
Leeds, West Yorkshire
Cloud Computing International
Rate: £500 - £650 per day + Expenses
Posted: 15 hours ago
Leeds, West Yorkshire
Experis Ltd
Rate: £400.00 - £450.00 per day
Posted: 5 days ago
Leeds, West Yorkshire
4it Recruitment Ltd
Rate: From £400 to £480 per day 3 Months initially
Posted: 4 days ago
Leeds, West Yorkshire
Elevate Direct
Rate: From £630 to £650 per day
Posted: 6 days ago
Leeds, West Yorkshire
Experis Ltd
Rate: £450.00 - £640.00 per day
Posted: 4 days ago