The following table provides summary statistics for contract job vacancies advertised in Sheffield 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 25 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
25 Mar 2017
Same period 2016 Same period 2015
Test-Driven Development (TDD)
South Yorkshire / Sheffield
Rank 9 41 19
Rank change year-on-year +32 -22  
Contract jobs citing TDD 56 11 11
As % of all contract IT jobs advertised in Sheffield 14.85% 2.54% 4.37%
As % of the Processes & Methodologies category 18.54% 3.15% 5.39%
Number of daily rates quoted 30 8 8
Median daily rate £450 £375 £318
Median daily rate % change year-on-year +20.00% +18.11%  
90% offered a daily rate of more than £375 £309 £289
10% offered a daily rate of more than £503 £475 £363
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 Sheffield with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Sheffield
Contract job vacancies with a requirement for process and methodology skills 302 349 204
As % of all contract IT job vacancies advertised in Sheffield 80.11% 80.60% 80.95%
Number of daily rates quoted 174 233 130
Median daily rate £445 £450 £325
Median daily rate % change year-on-year -1.11% +38.46%  
90% offered a daily rate of more than £338 £300 £249
10% offered a daily rate of more than £550 £723 £500
UK excluding London median daily rate £410 £400 £400
% change year-on-year +2.50% +0.06%  
Number of hourly rates quoted 3 6 10
Median hourly rate £11.50 £14.00 £22.88
Median hourly rate % change year-on-year -17.85% -38.79%  
UK excluding London median hourly rate £36.00 £38.75 £30.00
% change year-on-year -7.09% +29.16%  

TDD
Job Vacancy Trend in Sheffield

The job posting trend of jobs advertised in Sheffield 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 Sheffield

TDD
Contractor Daily Rate Trend in Sheffield

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

Contractor daily rate trend for TDD in Sheffield

TDD
Contractor Daily Rate Histogram in Sheffield

The daily rate distribution of IT jobs citing TDD in Sheffield over the 3 months to 25 March 2017.

Contractor daily rate histogram for TDD in Sheffield

TDD
Contractor Hourly Rate Trend in Sheffield

This chart provides the 3-month moving average for hourly rates quoted in IT contractor jobs citing TDD in Sheffield.

Contractor hourly rate trend for TDD in Sheffield

TDD
Top 30 Related IT Skills in Sheffield

For the 6 months to 25 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 Sheffield region with a requirement for TDD.

1 69 (80.23%) Java
1 69 (80.23%) Agile Software Development
2 47 (54.65%) Linux
3 46 (53.49%) JavaScript
3 46 (53.49%) CSS
4 44 (51.16%) Git (software)
5 42 (48.84%) BDD
6 36 (41.86%) Unix
7 35 (40.70%) Web Development
7 35 (40.70%) DevOps
8 33 (38.37%) Continuous Integration
8 33 (38.37%) Mac OS X
9 30 (34.88%) Configuration Management
9 30 (34.88%) HTML
9 30 (34.88%) Relational Database
9 30 (34.88%) Continuous Delivery
10 28 (32.56%) Web Services
11 26 (30.23%) Mentoring
12 25 (29.07%) User Experience
12 25 (29.07%) Front End Development
13 23 (26.74%) REST
14 22 (25.58%) Line Management
14 22 (25.58%) Ruby
15 21 (24.42%) Python
16 20 (23.26%) Automated Testing
17 18 (20.93%) Scrum
17 18 (20.93%) Prototyping
18 17 (19.77%) HTTP
19 15 (17.44%) Web Design
20 14 (16.28%) Responsive Web Design

TDD
Top Related IT Skills in Sheffield 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 8 (9.30%) Tomcat
2 4 (4.65%) Elasticsearch
3 2 (2.33%) Apache ServiceMix
3 2 (2.33%) Jetty
4 1 (1.16%) Alfresco
4 1 (1.16%) CMS
4 1 (1.16%) Confluence
4 1 (1.16%) nginx
4 1 (1.16%) WordPress
Business Applications
1 4 (4.65%) SAP Oil and Gas
2 1 (1.16%) Dynamics CRM
Cloud Services
1 5 (5.81%) GitHub
2 1 (1.16%) Amazon AWS
2 1 (1.16%) Amazon EC2
2 1 (1.16%) SaaS
Communications & Networking
1 17 (19.77%) HTTP
2 4 (4.65%) Internet
3 1 (1.16%) Intranet
Database & Business Intelligence
1 30 (34.88%) Relational Database
2 6 (6.98%) MongoDB
2 6 (6.98%) NoSQL
2 6 (6.98%) PostgreSQL
3 2 (2.33%) Big Data
4 1 (1.16%) MySQL
4 1 (1.16%) Redis
Development Applications
1 44 (51.16%) Git (software)
2 12 (13.95%) Selenium
3 9 (10.47%) Mockito
4 8 (9.30%) jMock
5 7 (8.14%) Spock
6 6 (6.98%) EasyMock
7 5 (5.81%) Cucumber
7 5 (5.81%) Jenkins
7 5 (5.81%) JUnit
7 5 (5.81%) Maven
8 4 (4.65%) Gradle
8 4 (4.65%) WebDriver
9 2 (2.33%) Ant
9 2 (2.33%) DbUnit
9 2 (2.33%) FitNesse
9 2 (2.33%) JIRA
9 2 (2.33%) NUnit
9 2 (2.33%) SonarQube
9 2 (2.33%) Subversion
10 1 (1.16%) Hudson
General
1 5 (5.81%) Finance
2 4 (4.65%) Electronics
2 4 (4.65%) Manufacturing
2 4 (4.65%) Marketing
2 4 (4.65%) Telecoms
3 1 (1.16%) Banking
3 1 (1.16%) Multimedia
Job Titles
1 70 (81.40%) Developer
2 48 (55.81%) Java Developer
3 22 (25.58%) Front End Developer (Client-Side Developer)
4 9 (10.47%) Front End Java Developer (Client-Side Java Developer)
5 8 (9.30%) HTML Developer
5 8 (9.30%) JavaScript Developer
6 7 (8.14%) Architect
6 7 (8.14%) Technical Architect
7 6 (6.98%) Automation Tester
7 6 (6.98%) Tester
8 5 (5.81%) Agile Developer
8 5 (5.81%) Agile Java Developer
8 5 (5.81%) Senior Developer
9 4 (4.65%) Java Automation Tester
9 4 (4.65%) Selenium Automation Tester
9 4 (4.65%) Selenium Tester
9 4 (4.65%) Senior Java Developer
10 3 (3.49%) HTML CSS Developer
10 3 (3.49%) Python Developer
10 3 (3.49%) Ruby Developer
Libraries, Frameworks & Software Standards
1 46 (53.49%) CSS
2 30 (34.88%) HTML
3 28 (32.56%) Web Services
4 23 (26.74%) REST
5 10 (11.63%) Spring
6 9 (10.47%) SOAP
7 7 (8.14%) RESTful
8 6 (6.98%) Spring Boot
9 5 (5.81%) Gherkin
9 5 (5.81%) HTML5
9 5 (5.81%) Node.js
10 4 (4.65%) AngularJS
10 4 (4.65%) Apache Camel
10 4 (4.65%) Apache CXF
10 4 (4.65%) CSS3
10 4 (4.65%) XML
11 3 (3.49%) Elastic Stack
11 3 (3.49%) JSON
12 2 (2.33%) Spring MVC
12 2 (2.33%) Velocity
Miscellaneous
1 25 (29.07%) User Experience
2 3 (3.49%) RIA
3 2 (2.33%) Blog
3 2 (2.33%) Mobile App
4 1 (1.16%) Analytical Skills
4 1 (1.16%) Data Centre
4 1 (1.16%) Foreign Exchange (FX)
Operating Systems
1 47 (54.65%) Linux
2 36 (41.86%) Unix
3 33 (38.37%) Mac OS X
4 3 (3.49%) CentOS
5 1 (1.16%) CoreOS
Processes & Methodologies
1 69 (80.23%) Agile Software Development
2 42 (48.84%) BDD
3 35 (40.70%) DevOps
3 35 (40.70%) Web Development
4 33 (38.37%) Continuous Integration
5 30 (34.88%) Configuration Management
5 30 (34.88%) Continuous Delivery
6 26 (30.23%) Mentoring
7 25 (29.07%) Front End Development
8 22 (25.58%) Line Management
9 20 (23.26%) Automated Testing
10 18 (20.93%) Prototyping
10 18 (20.93%) Scrum
11 15 (17.44%) Web Design
12 14 (16.28%) Responsive Web Design
13 13 (15.12%) Visualisation
14 12 (13.95%) Rapid Prototyping
15 10 (11.63%) Kanban
16 9 (10.47%) User Stories
17 8 (9.30%) Microservices
Programming Languages
1 69 (80.23%) Java
2 46 (53.49%) JavaScript
3 22 (25.58%) Ruby
4 21 (24.42%) Python
5 10 (11.63%) Scala
6 6 (6.98%) Clojure
6 6 (6.98%) SQL
7 2 (2.33%) Go
7 2 (2.33%) Groovy
8 1 (1.16%) C
8 1 (1.16%) ECMAScript
8 1 (1.16%) ES6
8 1 (1.16%) Jython
8 1 (1.16%) Korn
8 1 (1.16%) PHP
8 1 (1.16%) PHP 5
8 1 (1.16%) Shell Script
8 1 (1.16%) VB
8 1 (1.16%) XPath
Qualifications
1 12 (13.95%) Security Cleared
2 5 (5.81%) BC Cleared
3 2 (2.33%) BPSS Clearance
3 2 (2.33%) CTC Cleared
3 2 (2.33%) SC Cleared
4 1 (1.16%) DBS Check
4 1 (1.16%) Degree
Quality Assurance & Compliance
1 6 (6.98%) Disclosure Scotland
2 3 (3.49%) QA
3 1 (1.16%) FATCA
System Software
1 10 (11.63%) Docker
2 3 (3.49%) GlusterFS
3 1 (1.16%) VMware Infrastructure
3 1 (1.16%) vSphere
Systems Management
1 4 (4.65%) Ansible
2 3 (3.49%) Kibana
2 3 (3.49%) logstash
3 2 (2.33%) ZABBIX
4 1 (1.16%) Kubernetes
4 1 (1.16%) Opscode Chef
4 1 (1.16%) Puppet
Vendors
1 4 (4.65%) SAP
2 1 (1.16%) Solace
2 1 (1.16%) VMware
2 1 (1.16%) Zend
Sheffield, South Yorkshire
4it Recruitment Ltd
Rate: Unspecified Market Rates - 3 Months initially
Posted: 4 days ago