Period
to 24 January 2018

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 24 January 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)
South West > Bristol
6 months to
24 Jan 2018
Same period 2017 Same period 2016
Rank 32 24 39
Rank change year-on-year -8 +15 +11
Contract jobs citing TDD 92 101 72
As % of all contract IT jobs advertised in Bristol 4.89% 6.45% 4.47%
As % of the Processes & Methodologies category 6.20% 7.84% 5.41%
Number of daily rates quoted 66 75 58
Bristol median daily rate £450 £400 £388
Median daily rate % change year-on-year +12.50% +3.23% +3.33%
10th Percentile £313 £288 £317
90th Percentile £506 £575 £531
South West median daily rate £425 £375 £375
% change year-on-year +13.33% - -
Number of hourly rates quoted 0 0 0
Bristol median hourly rate - - -
South West median hourly rate - - £28.00

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 1,483 1,289 1,332
As % of all contract IT jobs advertised in Bristol 78.80% 82.26% 82.68%
Number of daily rates quoted 965 894 1,013
Bristol median daily rate £395 £375 £375
Median daily rate % change year-on-year +5.33% - -3.85%
10th Percentile £263 £250 £256
90th Percentile £538 £563 £522
South West median daily rate £400 £375 £375
% change year-on-year +6.67% - -1.32%
Number of hourly rates quoted 37 53 46
Bristol median hourly rate £17.50 £25.00 £27.50
Median hourly rate % change year-on-year -30.00% -9.09% -8.33%
10th Percentile £11.55 £12.75 £12.75
90th Percentile £48.50 £48.50 £51.13
South West median hourly rate £31.00 £37.25 £39.26
% change year-on-year -16.78% -5.12% +37.75%

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 24 January 2018.

Contractor daily rate histogram for TDD in Bristol

For the 6 months to 24 January 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 Bristol region with a requirement for TDD.

1 73 (79.35%) Agile Software Development
2 70 (76.09%) BDD
3 53 (57.61%) Java
4 30 (32.61%) Scrum
5 29 (31.52%) .NET
5 29 (31.52%) MVC
6 28 (30.43%) JavaScript
6 28 (30.43%) Test Automation
7 26 (28.26%) NoSQL
7 26 (28.26%) C#
8 25 (27.17%) Continuous Integration
9 24 (26.09%) REST
10 23 (25.00%) SQL
10 23 (25.00%) CSS
11 21 (22.83%) HTML
11 21 (22.83%) Kanban
11 21 (22.83%) Microservices
12 19 (20.65%) Scala
12 19 (20.65%) Maven
13 18 (19.57%) MongoDB
14 17 (18.48%) Microsoft Azure
14 17 (18.48%) Git (software)
14 17 (18.48%) Selenium
14 17 (18.48%) ASP.NET
15 16 (17.39%) Web Services
15 16 (17.39%) SOAP
15 16 (17.39%) Spring
15 16 (17.39%) Unit Testing
15 16 (17.39%) GitHub
15 16 (17.39%) Relational Database

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 9 (9.78%) CMS
1 9 (9.78%) Sitecore CMS
2 8 (8.70%) Adobe Experience Manager
3 5 (5.43%) Apache
4 3 (3.26%) Confluence
5 2 (2.17%) Drupal
5 2 (2.17%) Elasticsearch
5 2 (2.17%) EPiServer
5 2 (2.17%) Liferay
5 2 (2.17%) Umbraco
6 1 (1.09%) IIS
6 1 (1.09%) Mule
Cloud Services
1 17 (18.48%) Microsoft Azure
2 16 (17.39%) GitHub
3 15 (16.30%) Amazon AWS
4 5 (5.43%) Cloud Computing
5 1 (1.09%) Amazon EC2
5 1 (1.09%) BrowserStack
5 1 (1.09%) IaaS
5 1 (1.09%) npm
5 1 (1.09%) PaaS
5 1 (1.09%) SaaS
Communications & Networking
1 6 (6.52%) HTTP
2 4 (4.35%) Internet
3 3 (3.26%) SMS
4 1 (1.09%) SSL
Database & Business Intelligence
1 26 (28.26%) NoSQL
2 18 (19.57%) MongoDB
3 16 (17.39%) Relational Database
4 12 (13.04%) SQL Server
5 10 (10.87%) MySQL
6 8 (8.70%) CouchDB
6 8 (8.70%) PostgreSQL
7 6 (6.52%) RDBMS
8 5 (5.43%) Neo4j
8 5 (5.43%) Riak
9 2 (2.17%) Apache Cassandra
9 2 (2.17%) Jackrabbit
10 1 (1.09%) Amazon DynamoDB
10 1 (1.09%) Azure SQL Database
10 1 (1.09%) Hadoop
Development Applications
1 19 (20.65%) Maven
2 17 (18.48%) Git (software)
2 17 (18.48%) Selenium
3 14 (15.22%) Cucumber
3 14 (15.22%) Jenkins
4 13 (14.13%) SonarQube
4 13 (14.13%) TeamCity
5 9 (9.78%) Mockito
6 8 (8.70%) Sonatype Nexus
7 7 (7.61%) IntelliJ
8 6 (6.52%) Jasmine
8 6 (6.52%) JIRA
8 6 (6.52%) Karma Test Runner
9 5 (5.43%) git-flow
9 5 (5.43%) JMeter
9 5 (5.43%) Mocha
9 5 (5.43%) SoapUI
9 5 (5.43%) SpecFlow
9 5 (5.43%) WebDriver
10 4 (4.35%) JUnit
General
1 14 (15.22%) Banking
2 11 (11.96%) Finance
3 4 (4.35%) Law
4 3 (3.26%) Back Office
5 1 (1.09%) Marketing
5 1 (1.09%) Retail Banking
5 1 (1.09%) Telecoms
Job Titles
1 60 (65.22%) Developer
2 23 (25.00%) Java Developer
3 17 (18.48%) Senior Developer
4 11 (11.96%) Analyst
5 10 (10.87%) Automation Test Analyst
6 9 (9.78%) .NET Developer
6 9 (9.78%) Test Analyst
7 8 (8.70%) C# Developer
8 6 (6.52%) Senior C# Developer
9 5 (5.43%) Architect
9 5 (5.43%) Digital Analyst
9 5 (5.43%) Technical Architect
10 4 (4.35%) Agile Developer
10 4 (4.35%) Android Developer
10 4 (4.35%) Senior Java Developer
10 4 (4.35%) Sitecore Developer
10 4 (4.35%) Test Automation Engineer
10 4 (4.35%) Test Engineer
11 3 (3.26%) C# Software Engineer
11 3 (3.26%) Senior .NET Developer
Libraries, Frameworks & Software Standards
1 29 (31.52%) .NET
2 24 (26.09%) REST
3 23 (25.00%) CSS
4 21 (22.83%) HTML
5 17 (18.48%) ASP.NET
6 16 (17.39%) SOAP
6 16 (17.39%) Spring
6 16 (17.39%) Web Services
7 15 (16.30%) Ajax
8 13 (14.13%) ASP.NET Web API
9 12 (13.04%) ASP.NET MVC
10 11 (11.96%) AngularJS
10 11 (11.96%) JSON
10 11 (11.96%) Spring Boot
11 10 (10.87%) XML
12 8 (8.70%) JSR 170
12 8 (8.70%) Node.js
12 8 (8.70%) OSGi
12 8 (8.70%) Play Framework
12 8 (8.70%) PowerMock
Miscellaneous
1 9 (9.78%) User Experience
2 7 (7.61%) Public Cloud
3 6 (6.52%) Blog
4 4 (4.35%) Greenfield Project
5 2 (2.17%) iPad
5 2 (2.17%) Mobile App
6 1 (1.09%) Analytical Skills
6 1 (1.09%) Digital Media
6 1 (1.09%) Enterprise Software
6 1 (1.09%) Wiki
Operating Systems
1 4 (4.35%) Android
2 2 (2.17%) Linux
2 2 (2.17%) Unix
3 1 (1.09%) Windows
3 1 (1.09%) Windows Server
Processes & Methodologies
1 73 (79.35%) Agile Software Development
2 70 (76.09%) BDD
3 30 (32.61%) Scrum
4 29 (31.52%) MVC
5 28 (30.43%) Test Automation
6 25 (27.17%) Continuous Integration
7 21 (22.83%) Kanban
7 21 (22.83%) Microservices
8 16 (17.39%) Unit Testing
9 14 (15.22%) DevOps
10 13 (14.13%) E-Commerce
11 12 (13.04%) Software Engineering
12 9 (9.78%) Coaching
12 9 (9.78%) Mentoring
12 9 (9.78%) Pair Programming
13 8 (8.70%) Continuous Delivery
14 7 (7.61%) Continuous Improvement
14 7 (7.61%) CQRS
14 7 (7.61%) Open Source
14 7 (7.61%) Test Scripting
Programming Languages
1 53 (57.61%) Java
2 28 (30.43%) JavaScript
3 26 (28.26%) C#
4 23 (25.00%) SQL
5 19 (20.65%) Scala
6 14 (15.22%) Python
7 13 (14.13%) Ruby
8 7 (7.61%) Groovy
9 2 (2.17%) ES6
10 1 (1.09%) C++
10 1 (1.09%) ES7
10 1 (1.09%) Perl
10 1 (1.09%) PHP
10 1 (1.09%) PowerShell
10 1 (1.09%) T-SQL
10 1 (1.09%) TypeScript
Qualifications
1 7 (7.61%) Degree
2 3 (3.26%) SC Cleared
2 3 (3.26%) Security Cleared
3 1 (1.09%) BPSS Clearance
3 1 (1.09%) ISTQB
Quality Assurance & Compliance
1 9 (9.78%) QA
2 1 (1.09%) Disclosure Scotland
Systems Management
1 1 (1.09%) HockeyApp
1 1 (1.09%) Opscode Chef
Vendors
1 10 (10.87%) Sitecore
2 8 (8.70%) Adobe
2 8 (8.70%) Coverity
3 3 (3.26%) hybris
4 1 (1.09%) Atlassian
4 1 (1.09%) Microsoft