Period
to 21 May 2018

The following table provides summary statistics for contract job vacancies advertised in Yorkshire with a requirement for TDD skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited TDD over the 6 months to 21 May 2018 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)
England > Yorkshire
6 months to
21 May 2018
Same period 2017 Same period 2016
Rank 10 17 15
Rank change year-on-year +7 -2 +17
Contract jobs citing TDD 489 327 471
As % of all contract IT jobs advertised in Yorkshire 10.16% 7.73% 8.30%
As % of the Processes & Methodologies category 11.78% 9.16% 9.86%
Number of daily rates quoted 363 239 368
Yorkshire median daily rate £425 £420 £445
Median daily rate % change year-on-year +1.19% -5.62% +18.67%
10th Percentile £325 £338 £313
90th Percentile £535 £538 £525
England median daily rate £500 £463 £450
% change year-on-year +8.11% +2.78% +5.88%
Number of hourly rates quoted 0 0 3
Yorkshire median hourly rate - - £40.00
England median hourly rate £45.00 £41.50 £42.50
% change year-on-year +8.43% -2.35% +8.28%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Yorkshire with a requirement for process or methodology skills.

All Process and Methodology Skills
Yorkshire
Contract vacancies with a requirement for process or methodology skills 4,151 3,570 4,778
As % of all contract IT jobs advertised in Yorkshire 86.28% 84.34% 84.24%
Number of daily rates quoted 2,745 2,291 3,256
Yorkshire median daily rate £400 £400 £400
10th Percentile £270 £263 £273
90th Percentile £538 £556 £575
England median daily rate £463 £450 £425
% change year-on-year +2.78% +5.88% +4.94%
Number of hourly rates quoted 120 88 114
Yorkshire median hourly rate £21.33 £13.50 £15.63
Median hourly rate % change year-on-year +57.96% -13.60% -6.55%
10th Percentile £10.75 £8.41 £10.20
90th Percentile £44.55 £33.02 £38.75
England median hourly rate £22.00 £25.00 £23.20
% change year-on-year -12.00% +7.76% +8.41%

TDD
Job Vacancy Trend in Yorkshire

Job postings citing TDD as a percentage of all IT jobs advertised in Yorkshire.

Job vacancy trend for TDD in Yorkshire

TDD
Contractor Daily Rate Trend in Yorkshire

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

Contractor daily rate trend for TDD in Yorkshire

TDD
Contractor Daily Rate Histogram in Yorkshire

The daily rate distribution of IT jobs citing TDD in Yorkshire over the 6 months to 21 May 2018.

Contractor daily rate histogram for TDD in Yorkshire

TDD
Contractor Hourly Rate Trend in Yorkshire

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

Contractor hourly rate trend for TDD in Yorkshire

TDD
Contract Job Locations in Yorkshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Yorkshire region over the 6 months to 21 May 2018. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
West Yorkshire +9 406 £425 +1.19% 90
South Yorkshire -10 71 £425 -2.86% 20
North Yorkshire +10 13 £363 +6.62% 17
East Yorkshire -2 1 £425 - 4
TDD
England

For the 6 months to 21 May 2018, IT contractor jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Yorkshire region with a requirement for TDD.

1 416 (85.07%) Agile Software Development
2 268 (54.81%) Java
3 226 (46.22%) JavaScript
4 188 (38.45%) BDD
5 187 (38.24%) Microservices
6 179 (36.61%) Git (software)
7 150 (30.67%) Scrum
8 147 (30.06%) SQL
8 147 (30.06%) Test Automation
9 145 (29.65%) Software Engineering
10 143 (29.24%) Spring
11 120 (24.54%) Continuous Integration
12 116 (23.72%) Jenkins
13 109 (22.29%) Spring Boot
14 107 (21.88%) C#
15 106 (21.68%) NoSQL
16 105 (21.47%) .NET
17 102 (20.86%) Java 8
18 95 (19.43%) OO
19 93 (19.02%) Hibernate
20 85 (17.38%) RESTful
21 84 (17.18%) Kanban
22 82 (16.77%) REST
23 79 (16.16%) MVC
24 76 (15.54%) Node.js
25 75 (15.34%) SQL Server
25 75 (15.34%) JIRA
26 73 (14.93%) ASP.NET
27 71 (14.52%) Linux
28 69 (14.11%) HTML

TDD
Co-occurring IT Skills in Yorkshire 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 62 (12.68%) Confluence
2 35 (7.16%) Apache
3 14 (2.86%) nginx
4 12 (2.45%) CMS
5 11 (2.25%) Sitecore CMS
5 11 (2.25%) Tomcat
6 10 (2.04%) Apache Spark
6 10 (2.04%) Elasticsearch
7 8 (1.64%) IIS
8 7 (1.43%) Jetty
8 7 (1.43%) Mongrel
8 7 (1.43%) WebSphere
9 6 (1.23%) Adobe Experience Manager
10 3 (0.61%) Cloud Foundry
10 3 (0.61%) Oracle SOA Suite
11 1 (0.20%) Apache Solr
Applications
1 4 (0.82%) MS Visio
2 1 (0.20%) Adobe Creative Suite
Cloud Services
1 65 (13.29%) Amazon AWS
2 39 (7.98%) Slack
3 26 (5.32%) Microsoft Azure
4 13 (2.66%) GitHub
4 13 (2.66%) Google Cloud Platform
5 10 (2.04%) Amazon EC2
6 7 (1.43%) Google App Engine
7 6 (1.23%) Amazon CloudWatch
8 4 (0.82%) npm
9 3 (0.61%) CloudBees
9 3 (0.61%) IaaS
9 3 (0.61%) OpenShift
9 3 (0.61%) PaaS
9 3 (0.61%) Trello
10 2 (0.41%) AWS CloudFormation
10 2 (0.41%) BrowserStack
11 1 (0.20%) Amazon S3
11 1 (0.20%) Amazon SQS
11 1 (0.20%) Google Tag Manager
Communications & Networking
1 8 (1.64%) HTTP
2 7 (1.43%) DHCP
2 7 (1.43%) DNS
2 7 (1.43%) FTP
2 7 (1.43%) IPsec
2 7 (1.43%) SSL
2 7 (1.43%) TCP/IP
3 2 (0.41%) AMQP
3 2 (0.41%) FIX Connectivity
3 2 (0.41%) SMS
4 1 (0.20%) Firewall
4 1 (0.20%) Internet
Database & Business Intelligence
1 106 (21.68%) NoSQL
2 75 (15.34%) SQL Server
3 65 (13.29%) MySQL
3 65 (13.29%) PostgreSQL
4 53 (10.84%) MongoDB
5 39 (7.98%) Big Data
6 35 (7.16%) Apache Cassandra
7 16 (3.27%) Apache Hive
8 12 (2.45%) SQL Server 2008
8 12 (2.45%) SQL Server 2012
9 8 (1.64%) Hadoop
10 6 (1.23%) Relational Database
10 6 (1.23%) Riak
11 5 (1.02%) Data Warehouse
11 5 (1.02%) RDBMS
12 4 (0.82%) HBase
12 4 (0.82%) Oracle Database
12 4 (0.82%) Redis
13 3 (0.61%) Adabas
13 3 (0.61%) QlikView
Development Applications
1 179 (36.61%) Git (software)
2 116 (23.72%) Jenkins
3 75 (15.34%) JIRA
4 60 (12.27%) Maven
5 54 (11.04%) Cucumber
6 47 (9.61%) JUnit
7 32 (6.54%) Jasmine
8 28 (5.73%) Octopus Deploy
9 26 (5.32%) Selenium
10 23 (4.70%) Subversion
10 23 (4.70%) Visual Studio
11 21 (4.29%) Team Foundation Server
12 20 (4.09%) Mercurial
13 13 (2.66%) TeamCity
14 12 (2.45%) Artifactory
14 12 (2.45%) Bitbucket
14 12 (2.45%) WebDriver
15 11 (2.25%) SonarQube
16 10 (2.04%) Mockito
17 8 (1.64%) MSTest
General
1 23 (4.70%) Finance
2 9 (1.84%) Retail
3 7 (1.43%) Banking
4 5 (1.02%) Games
5 3 (0.61%) Retail Banking
5 3 (0.61%) Telecoms
6 2 (0.41%) Advertising
6 2 (0.41%) Law
6 2 (0.41%) Marketing
7 1 (0.20%) Manufacturing
7 1 (0.20%) Publishing
Job Titles
1 364 (74.44%) Developer
2 163 (33.33%) Java Developer
3 69 (14.11%) Software Engineer
4 58 (11.86%) .NET Developer
5 49 (10.02%) C# Developer
6 41 (8.38%) Senior Developer
7 40 (8.18%) Java Engineer
8 34 (6.95%) Java Software Engineer
9 31 (6.34%) C# .NET Developer
9 31 (6.34%) Python Developer
10 29 (5.93%) JavaScript Developer
10 29 (5.93%) Senior Java Developer
11 20 (4.09%) Java Software Developer
12 19 (3.89%) PHP Developer
13 17 (3.48%) Agile Developer
13 17 (3.48%) Scala Developer
14 16 (3.27%) Full Stack Developer
14 16 (3.27%) Software Developer
15 15 (3.07%) ASP.NET Developer
15 15 (3.07%) C# ASP.NET Developer
Libraries, Frameworks & Software Standards
1 143 (29.24%) Spring
2 109 (22.29%) Spring Boot
3 105 (21.47%) .NET
4 93 (19.02%) Hibernate
5 85 (17.38%) RESTful
6 82 (16.77%) REST
7 76 (15.54%) Node.js
8 73 (14.93%) ASP.NET
9 69 (14.11%) HTML
10 65 (13.29%) ASP.NET Web API
11 64 (13.09%) CSS
12 57 (11.66%) ASP.NET MVC
13 48 (9.82%) AngularJS
14 44 (9.00%) Web Services
15 43 (8.79%) .NET Framework
16 42 (8.59%) Kafka
17 32 (6.54%) React
18 31 (6.34%) Entity Framework
19 29 (5.93%) jQuery
20 28 (5.73%) SOAP
Miscellaneous
1 36 (7.36%) Enterprise Software
2 20 (4.09%) User Experience
3 13 (2.66%) Greenfield Project
4 12 (2.45%) Analytical Skills
5 11 (2.25%) NHS
6 10 (2.04%) Mobile App
7 5 (1.02%) Management Information System
8 3 (0.61%) Cloud Native
9 2 (0.41%) Computer Science
9 2 (0.41%) Digital Media
9 2 (0.41%) Equities
9 2 (0.41%) Foreign Exchange (FX)
9 2 (0.41%) W3C
10 1 (0.20%) Algorithms
10 1 (0.20%) Data Structures
10 1 (0.20%) PlayStation
10 1 (0.20%) Smart Meter
Operating Systems
1 71 (14.52%) Linux
2 40 (8.18%) Red Hat Enterprise Linux
3 12 (2.45%) Android
4 10 (2.04%) Apple iOS
5 7 (1.43%) Unix
6 6 (1.23%) Windows
7 3 (0.61%) Mac OS X
8 2 (0.41%) Kali Linux
8 2 (0.41%) VMS
Processes & Methodologies
1 416 (85.07%) Agile Software Development
2 188 (38.45%) BDD
3 187 (38.24%) Microservices
4 150 (30.67%) Scrum
5 147 (30.06%) Test Automation
6 145 (29.65%) Software Engineering
7 120 (24.54%) Continuous Integration
8 95 (19.43%) OO
9 84 (17.18%) Kanban
10 79 (16.16%) MVC
11 68 (13.91%) Open Source
12 65 (13.29%) Mentoring
13 50 (10.22%) Coaching
14 49 (10.02%) Pair Programming
15 42 (8.59%) DevOps
16 40 (8.18%) SFIA
17 38 (7.77%) Unit Testing
18 37 (7.57%) SOA
19 32 (6.54%) User Stories
20 27 (5.52%) Continuous Delivery
Programming Languages
1 268 (54.81%) Java
2 226 (46.22%) JavaScript
3 147 (30.06%) SQL
4 107 (21.88%) C#
5 102 (20.86%) Java 8
6 46 (9.41%) Python
7 32 (6.54%) Scala
8 26 (5.32%) PHP
9 20 (4.09%) T-SQL
10 18 (3.68%) Ruby
11 10 (2.04%) C++
11 10 (2.04%) Kotlin
12 8 (1.64%) TypeScript
13 7 (1.43%) ES6
14 6 (1.23%) PowerShell
15 5 (1.02%) PHP 5
16 4 (0.82%) Bash Shell
16 4 (0.82%) VB.NET
17 3 (0.61%) PHP 7
17 3 (0.61%) R
Qualifications
1 17 (3.48%) SC Cleared
1 17 (3.48%) Security Cleared
2 6 (1.23%) BPSS Clearance
3 4 (0.82%) Degree
4 3 (0.61%) TOGAF Certification
5 2 (0.41%) HND
5 2 (0.41%) ISEB
5 2 (0.41%) ISTQB Foundation Certification
6 1 (0.20%) ISTQB
Quality Assurance & Compliance
1 19 (3.89%) QA
2 6 (1.23%) GCP
3 5 (1.02%) PMO
4 2 (0.41%) GDPR
4 2 (0.41%) ISO/IEC 27001
4 2 (0.41%) SLA
5 1 (0.20%) PSD2
5 1 (0.20%) WCAG
System Software
1 66 (13.50%) Docker
2 7 (1.43%) VMware Infrastructure
2 7 (1.43%) Xen
3 5 (1.02%) Virtual Machines
4 4 (0.82%) Apache Flume
Systems Management
1 32 (6.54%) Puppet
2 19 (3.89%) Terraform
3 18 (3.68%) Grafana
4 13 (2.66%) Ansible
5 12 (2.45%) Graylog
6 6 (1.23%) Prometheus
7 3 (0.61%) Opscode Chef
8 2 (0.41%) Oozie
Vendors
1 44 (9.00%) Microsoft
2 35 (7.16%) Red Hat
3 19 (3.89%) Splunk
4 16 (3.27%) Sitecore
5 10 (2.04%) Oracle
6 9 (1.84%) Google
7 7 (1.43%) Adobe
7 7 (1.43%) VMware
8 6 (1.23%) Atlassian
8 6 (1.23%) Coverity
9 5 (1.02%) Zend
10 4 (0.82%) Xamarin
11 3 (0.61%) Capita
11 3 (0.61%) Cloudera
11 3 (0.61%) Hortonworks
11 3 (0.61%) MuleSoft
11 3 (0.61%) Tableau
12 1 (0.20%) Twitter