Period
to 20 November 2017

The following table provides summary statistics for contract job vacancies advertised in Bristol 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 November 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 West > Bristol
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 36 20 26
Rank change year-on-year -16 +6 +27
Contract jobs citing TDD 88 119 109
As % of all contract IT jobs advertised in Bristol 4.49% 7.05% 6.32%
As % of the Processes & Methodologies category 5.63% 8.48% 7.80%
Number of daily rates quoted 65 96 100
Bristol median daily rate £425 £418 £400
Median daily rate % change year-on-year +1.80% +4.38% -
10th Percentile £299 £313 £325
90th Percentile £525 £575 £475
South West median daily rate £400 £375 £375
% change year-on-year +6.67% - +7.14%
Number of hourly rates quoted 0 0 0
Bristol median hourly rate - - -
South West median hourly rate - £37.50 £29.00
% change year-on-year - +29.31% -25.64%

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 Bristol with a requirement for process or methodology skills.

All Process and Methodology Skills
Bristol
Contract vacancies with a requirement for process or methodology skills 1562 1404 1397
As % of all contract IT jobs advertised in Bristol 79.73% 83.13% 80.94%
Number of daily rates quoted 1059 1018 1088
Bristol median daily rate £388 £375 £375
Median daily rate % change year-on-year +3.33% - -
10th Percentile £263 £255 £263
90th Percentile £538 £550 £532
South West median daily rate £400 £375 £375
% change year-on-year +6.67% - -
Number of hourly rates quoted 48 65 37
Bristol median hourly rate £24.00 £25.00 £19.00
Median hourly rate % change year-on-year -4.00% +31.58% -15.56%
10th Percentile £11.93 £12.00 £13.00
90th Percentile £48.25 £46.30 £48.50
South West median hourly rate £35.00 £31.50 £38.89
% change year-on-year +11.11% -18.99% +49.56%

TDD
Job Vacancy Trend in Bristol

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

Job vacancy trend for TDD in Bristol

TDD
Contractor Daily Rate Trend in Bristol

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

Contractor daily rate trend for TDD in Bristol

TDD
Contractor Daily Rate Histogram in Bristol

The daily rate distribution of IT jobs citing TDD in Bristol over the 6 months to 20 November 2017.

Contractor daily rate histogram for TDD in Bristol

For the 6 months to 20 November 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 Bristol region with a requirement for TDD.

1 63 (71.59%) Agile Software Development
2 54 (61.36%) BDD
3 39 (44.32%) Java
4 38 (43.18%) .NET
5 36 (40.91%) JavaScript
6 35 (39.77%) C#
7 32 (36.36%) Scrum
8 25 (28.41%) HTML
9 24 (27.27%) SQL Server
9 24 (27.27%) Amazon AWS
10 23 (26.14%) Microsoft Azure
10 23 (26.14%) Continuous Integration
10 23 (26.14%) Test Automation
11 22 (25.00%) Kanban
11 22 (25.00%) ASP.NET
11 22 (25.00%) CSS
12 21 (23.86%) MVC
12 21 (23.86%) Git (software)
13 20 (22.73%) SQL
13 20 (22.73%) Jenkins
14 19 (21.59%) ASP.NET Web API
14 19 (21.59%) Maven
15 18 (20.45%) AngularJS
16 17 (19.32%) DevOps
17 16 (18.18%) Finance
17 16 (18.18%) NoSQL
18 15 (17.05%) REST
18 15 (17.05%) GitHub
18 15 (17.05%) TeamCity
18 15 (17.05%) Selenium

TDD
Co-occurring IT Skills in Bristol 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 (11.36%) CMS
2 9 (10.23%) Sitecore CMS
3 8 (9.09%) Adobe Experience Manager
4 6 (6.82%) Elasticsearch
5 4 (4.55%) Drupal
6 2 (2.27%) Apache
6 2 (2.27%) EPiServer
6 2 (2.27%) Umbraco
7 1 (1.14%) Apache Solr
7 1 (1.14%) Confluence
7 1 (1.14%) IIS
7 1 (1.14%) Liferay
7 1 (1.14%) Mule
7 1 (1.14%) Tomcat
Applications
1 1 (1.14%) Spreadsheet
Cloud Services
1 24 (27.27%) Amazon AWS
2 23 (26.14%) Microsoft Azure
3 15 (17.05%) GitHub
4 6 (6.82%) Cloud Computing
5 5 (5.68%) Amazon EC2
6 1 (1.14%) Amazon SQS
6 1 (1.14%) BrowserStack
6 1 (1.14%) Firebase
6 1 (1.14%) Google Cloud Platform
6 1 (1.14%) IaaS
6 1 (1.14%) PaaS
6 1 (1.14%) SaaS
Communications & Networking
1 4 (4.55%) SMS
2 3 (3.41%) Internet
3 2 (2.27%) HTTP
4 1 (1.14%) SSL
Database & Business Intelligence
1 24 (27.27%) SQL Server
2 16 (18.18%) NoSQL
3 9 (10.23%) Relational Database
4 7 (7.95%) MongoDB
5 6 (6.82%) Amazon DynamoDB
6 5 (5.68%) Hadoop
6 5 (5.68%) RDBMS
7 3 (3.41%) MySQL
8 2 (2.27%) Apache Cassandra
8 2 (2.27%) Jackrabbit
9 1 (1.14%) Azure SQL Database
9 1 (1.14%) CouchDB
9 1 (1.14%) Geospatial Data
9 1 (1.14%) PostgreSQL
9 1 (1.14%) Spatial Data
Development Applications
1 21 (23.86%) Git (software)
2 20 (22.73%) Jenkins
3 19 (21.59%) Maven
4 15 (17.05%) Selenium
4 15 (17.05%) TeamCity
5 12 (13.64%) Cucumber
6 9 (10.23%) Mockito
7 8 (9.09%) SonarQube
7 8 (9.09%) Sonatype Nexus
8 7 (7.95%) Bitbucket
9 6 (6.82%) Gradle
10 5 (5.68%) Ant
10 5 (5.68%) JIRA
10 5 (5.68%) Octopus Deploy
10 5 (5.68%) SoapUI
11 4 (4.55%) Atlassian Bamboo
11 4 (4.55%) IntelliJ
11 4 (4.55%) JMeter
11 4 (4.55%) JUnit
11 4 (4.55%) WebDriver
General
1 16 (18.18%) Finance
2 14 (15.91%) Banking
3 4 (4.55%) Law
3 4 (4.55%) Marketing
4 3 (3.41%) Local Government
4 3 (3.41%) Telecoms
5 2 (2.27%) Back Office
5 2 (2.27%) Electronics
5 2 (2.27%) Manufacturing
6 1 (1.14%) Advertising
6 1 (1.14%) Automotive
6 1 (1.14%) Retail Banking
Job Titles
1 60 (68.18%) Developer
2 20 (22.73%) .NET Developer
3 14 (15.91%) Senior Developer
4 13 (14.77%) C# Developer
5 9 (10.23%) Java Developer
6 8 (9.09%) C# .NET Developer
7 7 (7.95%) Analyst
7 7 (7.95%) Automation Test Analyst
7 7 (7.95%) Senior .NET Developer
7 7 (7.95%) Senior C# Developer
8 6 (6.82%) Architect
8 6 (6.82%) ASP.NET Developer
8 6 (6.82%) C# ASP.NET Developer
8 6 (6.82%) Technical Architect
8 6 (6.82%) Test Analyst
9 5 (5.68%) Senior ASP.NET Developer
9 5 (5.68%) Senior C# .NET Developer
9 5 (5.68%) Senior C# ASP.NET Developer
10 4 (4.55%) AWS Developer
10 4 (4.55%) Sitecore Developer
Libraries, Frameworks & Software Standards
1 38 (43.18%) .NET
2 25 (28.41%) HTML
3 22 (25.00%) ASP.NET
3 22 (25.00%) CSS
4 19 (21.59%) ASP.NET Web API
5 18 (20.45%) AngularJS
6 15 (17.05%) REST
7 13 (14.77%) ASP.NET MVC
7 13 (14.77%) React
8 11 (12.50%) Node.js
9 10 (11.36%) JSON
9 10 (11.36%) RESTful
9 10 (11.36%) SOAP
10 9 (10.23%) Ajax
10 9 (10.23%) HTML5
10 9 (10.23%) RabbitMQ
10 9 (10.23%) XML
11 8 (9.09%) CSS3
11 8 (9.09%) OSGi
11 8 (9.09%) PowerMock
Miscellaneous
1 11 (12.50%) User Experience
2 8 (9.09%) Blog
2 8 (9.09%) Public Cloud
3 4 (4.55%) Greenfield Project
4 3 (3.41%) Mobile App
4 3 (3.41%) Virtual Team
5 1 (1.14%) Analytical Skills
5 1 (1.14%) Digital Media
5 1 (1.14%) Enterprise Software
5 1 (1.14%) iPad
5 1 (1.14%) Linux Command Line
5 1 (1.14%) Management Information System
5 1 (1.14%) Wiki
Operating Systems
1 6 (6.82%) Linux
2 5 (5.68%) Android
2 5 (5.68%) Unix
3 3 (3.41%) Windows
4 2 (2.27%) Apple iOS
5 1 (1.14%) Windows Server
Processes & Methodologies
1 63 (71.59%) Agile Software Development
2 54 (61.36%) BDD
3 32 (36.36%) Scrum
4 23 (26.14%) Continuous Integration
4 23 (26.14%) Test Automation
5 22 (25.00%) Kanban
6 21 (23.86%) MVC
7 17 (19.32%) DevOps
8 15 (17.05%) E-Commerce
9 14 (15.91%) Microservices
10 13 (14.77%) Continuous Improvement
11 12 (13.64%) Software Engineering
11 12 (13.64%) Unit Testing
12 10 (11.36%) Web Development
13 9 (10.23%) Coaching
13 9 (10.23%) CQRS
13 9 (10.23%) Pair Programming
14 8 (9.09%) High Availability
14 8 (9.09%) Mentoring
14 8 (9.09%) User Stories
Programming Languages
1 39 (44.32%) Java
2 36 (40.91%) JavaScript
3 35 (39.77%) C#
4 20 (22.73%) SQL
5 12 (13.64%) Scala
6 6 (6.82%) PowerShell
7 5 (5.68%) Python
8 4 (4.55%) PHP
8 4 (4.55%) Ruby
9 2 (2.27%) ES6
10 1 (1.14%) Apple Swift
10 1 (1.14%) C
10 1 (1.14%) C++
10 1 (1.14%) Objective-C
10 1 (1.14%) Shell Script
10 1 (1.14%) T-SQL
Qualifications
1 1 (1.14%) BPSS Clearance
1 1 (1.14%) ISTQB
1 1 (1.14%) Microsoft Certification
Quality Assurance & Compliance
1 10 (11.36%) QA
2 1 (1.14%) Disclosure Scotland
2 1 (1.14%) WCAG
System Software
1 2 (2.27%) Docker
1 2 (2.27%) LXC
Systems Management
1 4 (4.55%) Opscode Chef
2 1 (1.14%) HockeyApp
Vendors
1 12 (13.64%) Microsoft
2 10 (11.36%) Sitecore
3 8 (9.09%) Adobe
3 8 (9.09%) Coverity
4 5 (5.68%) hybris
5 2 (2.27%) Google
5 2 (2.27%) SAP
6 1 (1.14%) Apple
6 1 (1.14%) Atlassian