Period
to 20 April 2019

The following table provides summary statistics for contract job vacancies advertised in the East Midlands 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 20 April 2019 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 > East Midlands
6 months to
20 Apr 2019
Same period 2018 Same period 2017
Rank 37 33 46
Rank change year-on-year -4 +13 +34
Contract jobs citing TDD 116 177 136
As % of all contract IT jobs advertised in the East Midlands 5.13% 5.94% 4.35%
As % of the Processes & Methodologies category 6.09% 6.95% 5.28%
Number of daily rates quoted 87 120 70
East Midlands median daily rate £500 £400 £375
Median daily rate % change year-on-year +25.00% +6.67% -16.67%
10th Percentile £318 £291 £299
90th Percentile £575 £526 £458
England median daily rate £525 £500 £463
% change year-on-year +5.00% +8.11% +2.78%
Number of hourly rates quoted 0 0 0
East Midlands median hourly rate - - -
England median hourly rate £42.00 £45.00 £39.01
% change year-on-year -6.67% +15.36% -8.21%

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 the East Midlands with a requirement for process or methodology skills.

All Process and Methodology Skills
East Midlands
Contract vacancies with a requirement for process or methodology skills 1,904 2,548 2,574
As % of all contract IT jobs advertised in the East Midlands 84.14% 85.45% 82.39%
Number of daily rates quoted 1,222 1,573 1,579
East Midlands median daily rate £400 £400 £375
Median daily rate % change year-on-year - +6.67% -
10th Percentile £256 £250 £225
90th Percentile £556 £550 £550
England median daily rate £475 £463 £445
% change year-on-year +2.70% +3.93% +4.71%
Number of hourly rates quoted 82 90 80
East Midlands median hourly rate £13.69 £16.75 £17.03
Median hourly rate % change year-on-year -18.27% -1.62% -2.71%
10th Percentile £10.00 £10.82 £10.49
90th Percentile £24.58 £47.55 £41.15
England median hourly rate £24.96 £22.50 £25.00
% change year-on-year +10.91% -10.00% +8.70%

TDD
Job Vacancy Trend in the East Midlands

Job postings citing TDD as a percentage of all IT jobs advertised in the East Midlands.

Job vacancy trend for TDD in the East Midlands

TDD
Contractor Daily Rate Trend in the East Midlands

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

Contractor daily rate trend for TDD in the East Midlands

TDD
Contractor Daily Rate Histogram in the East Midlands

The daily rate distribution of IT jobs citing TDD in the East Midlands over the 6 months to 20 April 2019.

Contractor daily rate histogram for TDD in the East Midlands

TDD
Contractor Hourly Rate Trend in the East Midlands

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

Contractor hourly rate trend for TDD in the East Midlands

TDD
Contract Job Locations in the East Midlands

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the East Midlands region over the 6 months to 20 April 2019. 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
Northamptonshire -3 64 £513 +20.59% 5
Nottinghamshire +4 45 £525 +23.53% 6
Leicestershire +3 6 £408 +4.49% 1
TDD
England

For the 6 months to 20 April 2019, 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 East Midlands region with a requirement for TDD.

1 99 (85.34%) Agile Software Development
2 69 (59.48%) Git (software)
3 49 (42.24%) Java
3 49 (42.24%) CSS
4 48 (41.38%) Scrum
5 44 (37.93%) HTML
6 43 (37.07%) JavaScript
7 41 (35.34%) Test Automation
8 40 (34.48%) Microservices
9 38 (32.76%) Unit Testing
10 37 (31.90%) Jenkins
10 37 (31.90%) Docker
11 35 (30.17%) Amazon AWS
12 34 (29.31%) BDD
12 34 (29.31%) Front End Development
13 31 (26.72%) Node.js
14 30 (25.86%) HTML5
15 28 (24.14%) DevOps
16 27 (23.28%) AngularJS
16 27 (23.28%) React
17 26 (22.41%) Spring Boot
18 25 (21.55%) CSS3
19 24 (20.69%) Web Services
20 23 (19.83%) jQuery
21 22 (18.97%) Maven
21 22 (18.97%) GraphQL
22 20 (17.24%) Spring
23 17 (14.66%) OO
24 16 (13.79%) JSON
24 16 (13.79%) Continuous Integration

TDD
Co-occurring IT Skills in the East Midlands 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 7 (6.03%) Confluence
2 6 (5.17%) JBoss
3 2 (1.72%) NServiceBus
4 1 (0.86%) CICS
4 1 (0.86%) Elasticsearch
4 1 (0.86%) Umbraco
4 1 (0.86%) WebSphere
4 1 (0.86%) WildFly
Cloud Services
1 35 (30.17%) Amazon AWS
2 6 (5.17%) npm
3 2 (1.72%) Microsoft Azure
3 2 (1.72%) OpenShift
4 1 (0.86%) Amazon Kinesis
4 1 (0.86%) Amazon S3
4 1 (0.86%) AWS CloudFormation
4 1 (0.86%) AWS Lambda
4 1 (0.86%) GitHub
4 1 (0.86%) Serverless
Database & Business Intelligence
1 14 (12.07%) MySQL
2 8 (6.90%) NoSQL
3 6 (5.17%) SQL Server
4 5 (4.31%) Amazon DynamoDB
4 5 (4.31%) MongoDB
5 4 (3.45%) Relational Database
6 3 (2.59%) Big Data
6 3 (2.59%) Couchbase
6 3 (2.59%) Data Warehouse
6 3 (2.59%) SQL Server 2008
6 3 (2.59%) SQL Server 2012
7 2 (1.72%) Amazon Aurora
7 2 (1.72%) PostgreSQL
8 1 (0.86%) DB2
8 1 (0.86%) Redis
Development Applications
1 69 (59.48%) Git (software)
2 37 (31.90%) Jenkins
3 22 (18.97%) Maven
4 15 (12.93%) Travis CI
5 14 (12.07%) Gradle
5 14 (12.07%) JIRA
6 13 (11.21%) Selenium
7 12 (10.34%) Cucumber
8 10 (8.62%) gulp
9 8 (6.90%) Visual Studio
10 7 (6.03%) JUnit
10 7 (6.03%) Mercurial
10 7 (6.03%) TeamCity
10 7 (6.03%) Xcode
11 6 (5.17%) Grunt
12 5 (4.31%) Moq
12 5 (4.31%) SoapUI
12 5 (4.31%) SonarQube
12 5 (4.31%) Spock
13 4 (3.45%) Mocha
General
1 6 (5.17%) Finance
2 2 (1.72%) Banking
2 2 (1.72%) Legal
2 2 (1.72%) Marketing
2 2 (1.72%) Retail
3 1 (0.86%) Games
3 1 (0.86%) Publishing
Job Titles
1 98 (84.48%) Developer
2 18 (15.52%) Java Developer
2 18 (15.52%) React Developer
3 14 (12.07%) PHP Developer
3 14 (12.07%) Senior Developer
4 12 (10.34%) .NET Developer
5 11 (9.48%) AWS Developer
5 11 (9.48%) Front End Developer (Client-Side Developer)
5 11 (9.48%) Software Developer
6 10 (8.62%) UI Developer
7 8 (6.90%) Android Developer
7 8 (6.90%) C# Developer
7 8 (6.90%) JavaScript Developer
8 7 (6.03%) iOS Developer
9 6 (5.17%) Automation Tester
9 6 (5.17%) C# .NET Developer
9 6 (5.17%) Senior Java Developer
9 6 (5.17%) Tester
10 5 (4.31%) C# Software Developer
10 5 (4.31%) Software Engineer
Libraries, Frameworks & Software Standards
1 49 (42.24%) CSS
2 44 (37.93%) HTML
3 31 (26.72%) Node.js
4 30 (25.86%) HTML5
5 27 (23.28%) AngularJS
5 27 (23.28%) React
6 26 (22.41%) Spring Boot
7 25 (21.55%) CSS3
8 24 (20.69%) Web Services
9 23 (19.83%) jQuery
10 22 (18.97%) GraphQL
11 20 (17.24%) Spring
12 16 (13.79%) JSON
13 15 (12.93%) .NET
14 14 (12.07%) Hibernate
15 12 (10.34%) LAMP
16 10 (8.62%) Gherkin
17 9 (7.76%) Redux
17 9 (7.76%) RESTful
18 7 (6.03%) Ajax
Miscellaneous
1 5 (4.31%) User Experience
2 4 (3.45%) Greenfield Project
3 2 (1.72%) Analytical Skills
3 2 (1.72%) Credit Risk
3 2 (1.72%) iPad
3 2 (1.72%) iPhone
3 2 (1.72%) Mobile App
3 2 (1.72%) Mobile Banking
4 1 (0.86%) Client/Server
4 1 (0.86%) Fintech
4 1 (0.86%) Mainframe
4 1 (0.86%) NHS
Operating Systems
1 11 (9.48%) Android
2 10 (8.62%) Apple iOS
3 2 (1.72%) Linux
3 2 (1.72%) Solaris
3 2 (1.72%) Windows
4 1 (0.86%) zOS
Processes & Methodologies
1 99 (85.34%) Agile Software Development
2 48 (41.38%) Scrum
3 41 (35.34%) Test Automation
4 40 (34.48%) Microservices
5 38 (32.76%) Unit Testing
6 34 (29.31%) BDD
6 34 (29.31%) Front End Development
7 28 (24.14%) DevOps
8 17 (14.66%) OO
9 16 (13.79%) Continuous Integration
9 16 (13.79%) SOLID
9 16 (13.79%) User Stories
10 13 (11.21%) Don't repeat yourself (DRY)
10 13 (11.21%) SDLC
11 11 (9.48%) Android Development
12 10 (8.62%) Collaborative Working
12 10 (8.62%) Computer Science
12 10 (8.62%) Continuous Deployment
12 10 (8.62%) iOS Development
13 8 (6.90%) Performance Testing
Programming Languages
1 49 (42.24%) Java
2 43 (37.07%) JavaScript
3 15 (12.93%) C#
4 14 (12.07%) PHP
5 12 (10.34%) Java 8
6 11 (9.48%) ES6
7 10 (8.62%) Kotlin
7 10 (8.62%) Python
8 9 (7.76%) Apple Swift
8 9 (7.76%) Objective-C
8 9 (7.76%) Ruby
8 9 (7.76%) Scala
9 8 (6.90%) C
9 8 (6.90%) C++
10 6 (5.17%) TypeScript
11 5 (4.31%) Go
12 4 (3.45%) SQL
13 3 (2.59%) Groovy
13 3 (2.59%) Jython
14 2 (1.72%) PHP 7
Qualifications
1 3 (2.59%) SC Cleared
1 3 (2.59%) Security Cleared
2 2 (1.72%) Computer Science Degree
2 2 (1.72%) Degree
Quality Assurance & Compliance
1 5 (4.31%) QA
2 1 (0.86%) PMO
System Software
1 37 (31.90%) Docker
Systems Management
1 15 (12.93%) Terraform
2 9 (7.76%) Kubernetes
3 2 (1.72%) Opscode Chef
Vendors
1 6 (5.17%) Microsoft
2 5 (4.31%) Perforce
3 4 (3.45%) Oracle
4 3 (2.59%) Atlassian
5 2 (1.72%) MuleSoft
6 1 (0.86%) InterSystems
6 1 (0.86%) Monetate