The following table provides summary statistics for contract job vacancies advertised in Buckinghamshire 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 23 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)
South East / Buckinghamshire
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 28 45 53
Rank change year-on-year +17 +8  
Contract jobs citing TDD 70 29 40
As % of all contract IT jobs advertised in Buckinghamshire 6.86% 3.04% 3.25%
As % of the Processes & Methodologies category 8.37% 3.58% 4.00%
Number of daily rates quoted 39 10 24
Median daily rate £388 £350 £425
Median daily rate % change year-on-year +10.71% -17.64%  
90% offered a daily rate of more than £252 £324 £288
10% offered a daily rate of more than £480 £464 £437
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 £42.50
% change year-on-year +3.75% -5.88%  

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 Buckinghamshire with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Buckinghamshire
Contract job vacancies with a requirement for process and methodology skills 836 811 999
As % of all contract IT job vacancies advertised in Buckinghamshire 81.88% 84.92% 81.29%
Number of daily rates quoted 384 441 517
Median daily rate £400 £400 £388
Median daily rate % change year-on-year - +3.22%  
90% offered a daily rate of more than £270 £275 £270
10% offered a daily rate of more than £525 £519 £550
UK excluding London median daily rate £415 £400 £383
% change year-on-year +3.75% +4.57%  
Number of hourly rates quoted 23 17 25
Median hourly rate £29.00 £12.00 £28.00
Median hourly rate % change year-on-year +141.66% -57.14%  
90% offered a hourly rate of more than £14.10 £9.37 £11.00
10% offered a hourly rate of more than £55.00 £55.00 £55.00
UK excluding London median hourly rate £33.50 £28.50 £30.00
% change year-on-year +17.54% -5.00%  

TDD
Job Vacancy Trend in Buckinghamshire

The job posting trend of jobs advertised in Buckinghamshire 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 Buckinghamshire

TDD
Contractor Daily Rate Trend in Buckinghamshire

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

Contractor daily rate trend for TDD in Buckinghamshire

TDD
Contractor Daily Rate Histogram in Buckinghamshire

The daily rate distribution of IT jobs citing TDD in Buckinghamshire over the 3 months to 23 June 2017.

Contractor daily rate histogram for TDD in Buckinghamshire

TDD
Contract Job Locations in Buckinghamshire

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing TDD within the Buckinghamshire region over the 3 months to 23 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Milton Keynes +17 62 £375 +7.14% 11
TDD
South East

For the 6 months to 23 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 Buckinghamshire region with a requirement for TDD.

1 109 (90.83%) Agile Software Development
2 79 (65.83%) Java
3 56 (46.67%) Continuous Integration
4 52 (43.33%) Git (software)
5 50 (41.67%) Jenkins
6 47 (39.17%) REST
7 43 (35.83%) Test Automation
7 43 (35.83%) Scrum
8 41 (34.17%) JIRA
9 40 (33.33%) Banking
9 40 (33.33%) Web Services
10 39 (32.50%) SOAP
11 38 (31.67%) Finance
12 35 (29.17%) Ruby
13 33 (27.50%) SQL
14 32 (26.67%) Mobile App
15 28 (23.33%) QA
16 27 (22.50%) Spring
16 27 (22.50%) BDD
17 26 (21.67%) OO
17 26 (21.67%) Internet
18 25 (20.83%) JavaScript
19 24 (20.00%) Microservices
20 23 (19.17%) AngularJS
21 22 (18.33%) Node.js
21 22 (18.33%) Kanban
22 21 (17.50%) Android
22 21 (17.50%) RESTful
23 19 (15.83%) XML
23 19 (15.83%) Selenium

TDD
Co-occurring IT Skills in Buckinghamshire 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 10 (8.33%) Cloud Foundry
2 9 (7.50%) Confluence
3 3 (2.50%) Oracle SOA Suite
4 2 (1.67%) JBoss
5 1 (0.83%) Alfresco
5 1 (0.83%) CMS
5 1 (0.83%) Drupal
5 1 (0.83%) Liferay
5 1 (0.83%) OpenStack
Cloud Services
1 13 (10.83%) Amazon AWS
2 10 (8.33%) OpenShift
3 3 (2.50%) AWS Lambda
3 3 (2.50%) Microsoft Azure
4 2 (1.67%) PaaS
4 2 (1.67%) Sauce Labs
5 1 (0.83%) Amazon S3
5 1 (0.83%) AWS CloudFormation
Communications & Networking
1 26 (21.67%) Internet
2 6 (5.00%) Intranet
3 5 (4.17%) Extranet
Database & Business Intelligence
1 14 (11.67%) MongoDB
2 11 (9.17%) SQL Server
3 7 (5.83%) Redis
4 6 (5.00%) SQL Server 2008
5 5 (4.17%) SQL Server 2012
6 4 (3.33%) Big Data
6 4 (3.33%) Hadoop
6 4 (3.33%) NoSQL
7 3 (2.50%) Amazon DynamoDB
7 3 (2.50%) Relational Database
8 1 (0.83%) RDBMS
Development Applications
1 52 (43.33%) Git (software)
2 50 (41.67%) Jenkins
3 41 (34.17%) JIRA
4 19 (15.83%) Selenium
5 18 (15.00%) Calabash
6 14 (11.67%) Mocha
6 14 (11.67%) Protractor
7 13 (10.83%) Cucumber
8 12 (10.00%) Karma Test Runner
9 11 (9.17%) Bitbucket
10 10 (8.33%) GitLab
11 8 (6.67%) Appium
11 8 (6.67%) Eclipse
11 8 (6.67%) Gradle
11 8 (6.67%) JUnit
11 8 (6.67%) TeamCity
12 7 (5.83%) Atlassian Bamboo
12 7 (5.83%) WebDriver
13 6 (5.00%) Maven
13 6 (5.00%) Mockito
General
1 40 (33.33%) Banking
2 38 (31.67%) Finance
3 17 (14.17%) Retail
4 14 (11.67%) Corporate Banking
5 6 (5.00%) Marketing
6 3 (2.50%) Automotive
6 3 (2.50%) German Language
7 2 (1.67%) Telecoms
8 1 (0.83%) Investment Banking
8 1 (0.83%) Retail Banking
Job Titles
1 70 (58.33%) Developer
2 31 (25.83%) Java Developer
3 24 (20.00%) Tester
4 23 (19.17%) Automation Tester
5 15 (12.50%) QA Automation Tester
5 15 (12.50%) QA Tester
6 13 (10.83%) Android Developer
7 9 (7.50%) iOS Developer
8 8 (6.67%) Agile Developer
9 7 (5.83%) Angular Developer
9 7 (5.83%) C# Developer
10 6 (5.00%) .NET Developer
10 6 (5.00%) Full Stack Developer
10 6 (5.00%) Node.js Developer
11 5 (4.17%) Automation Engineer
11 5 (4.17%) QA Automation Engineer
11 5 (4.17%) QA Engineer
11 5 (4.17%) Senior Developer
12 4 (3.33%) Analyst
12 4 (3.33%) Test Analyst
Libraries, Frameworks & Software Standards
1 47 (39.17%) REST
2 40 (33.33%) Web Services
3 39 (32.50%) SOAP
4 27 (22.50%) Spring
5 23 (19.17%) AngularJS
6 22 (18.33%) Node.js
7 21 (17.50%) RESTful
8 19 (15.83%) XML
9 18 (15.00%) Spring Boot
10 14 (11.67%) HTML
11 12 (10.00%) Chai
11 12 (10.00%) JSON
12 11 (9.17%) .NET
12 11 (9.17%) jQuery
13 10 (8.33%) HTML5
13 10 (8.33%) Java EE
14 9 (7.50%) CSS
15 8 (6.67%) ASP.NET
15 8 (6.67%) ASP.NET Web Forms
16 6 (5.00%) Android SDK
Miscellaneous
1 32 (26.67%) Mobile App
2 9 (7.50%) Mobile Banking
3 7 (5.83%) Computer Science
4 5 (4.17%) Analytical Skills
5 3 (2.50%) User Experience
6 2 (1.67%) Online Banking
7 1 (0.83%) Digital Media
7 1 (0.83%) Fintech
Operating Systems
1 21 (17.50%) Android
2 16 (13.33%) Apple iOS
3 9 (7.50%) Windows
4 7 (5.83%) Mac OS X
5 4 (3.33%) Linux
6 2 (1.67%) Red Hat Enterprise Linux
6 2 (1.67%) Unix
Processes & Methodologies
1 109 (90.83%) Agile Software Development
2 56 (46.67%) Continuous Integration
3 43 (35.83%) Scrum
3 43 (35.83%) Test Automation
4 27 (22.50%) BDD
5 26 (21.67%) OO
6 24 (20.00%) Microservices
7 22 (18.33%) Kanban
8 18 (15.00%) Open Source
8 18 (15.00%) SDLC
9 16 (13.33%) MVC
10 15 (12.50%) Software Engineering
11 14 (11.67%) Android Development
12 13 (10.83%) Functional Testing
12 13 (10.83%) Mobile Development
12 13 (10.83%) SOA
13 11 (9.17%) Continuous Delivery
14 10 (8.33%) SOLID
15 9 (7.50%) iOS Development
15 9 (7.50%) QA Automation
Programming Languages
1 79 (65.83%) Java
2 35 (29.17%) Ruby
3 33 (27.50%) SQL
4 25 (20.83%) JavaScript
5 17 (14.17%) C#
5 17 (14.17%) Python
6 16 (13.33%) Apple Swift
7 13 (10.83%) VB
8 10 (8.33%) Go
9 9 (7.50%) Objective-C
10 5 (4.17%) C++
10 5 (4.17%) PL/SQL
11 3 (2.50%) TypeScript
12 2 (1.67%) Perl
12 2 (1.67%) Shell Script
12 2 (1.67%) VB.NET
13 1 (0.83%) XPath
Qualifications
1 5 (4.17%) Degree
2 4 (3.33%) Master's Degree
3 2 (1.67%) Sun Certification
4 1 (0.83%) CEH
4 1 (0.83%) DV Cleared
4 1 (0.83%) Security Cleared
Quality Assurance & Compliance
1 28 (23.33%) QA
System Software
1 7 (5.83%) Docker
Systems Management
1 10 (8.33%) Ansible
2 2 (1.67%) HP Quality Center
Vendors
1 11 (9.17%) IBM
2 9 (7.50%) Oracle
3 7 (5.83%) Apple
4 4 (3.33%) Salesforce.com
5 2 (1.67%) Apigee
5 2 (1.67%) Microsoft
5 2 (1.67%) MuleSoft
5 2 (1.67%) Red Hat
5 2 (1.67%) WSO2
6 1 (0.83%) OpenText
6 1 (0.83%) Perforce
Milton Keynes, Buckinghamshire
Explore Group
Rate: £450 - £550 per day
Posted: 20 hours ago
Milton Keynes, Buckinghamshire
Experis Ltd
Rate: £400.00 - £450.00 per day
Posted: 3 days ago
Milton Keynes, Buckinghamshire
Rullion
Posted: 2 days ago
Milton Keynes, Buckinghamshire
VASSIT
Rate: £0 - £120,000+ per year
Posted: 9 days ago