Period
to 18 September 2020

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 18 September 2020 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
18 Sep 2020
Same period 2019 Same period 2018
Rank 28 61 34
Rank change year-on-year +33 -27 +27
Contract jobs citing TDD 32 60 107
As % of all contract jobs advertised in Bristol 5.60% 3.10% 5.37%
As % of the Processes & Methodologies category 6.79% 3.66% 6.33%
Number of daily rates quoted 31 44 101
Median daily rate £525 £475 £425
Median daily rate % change year-on-year +10.53% +11.76% +6.25%
South West median daily rate £525 £463 £425
% change year-on-year +13.51% +8.82% +6.25%
Number of hourly rates quoted 1 1 2
Median hourly rate £35.00 £13.50 £68.75
Median hourly rate % change year-on-year +159.26% -80.36% -
South West median hourly rate £35.00 £13.50 £68.75
% change year-on-year +159.26% -80.36% -

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 471 1,641 1,690
As % of all contract IT jobs advertised in Bristol 82.49% 84.89% 84.75%
Number of daily rates quoted 303 1,050 1,137
Median daily rate £450 £425 £413
Median daily rate % change year-on-year +5.88% +3.03% +10.00%
10th Percentile £284 £281 £274
90th Percentile £600 £606 £538
South West median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +6.25%
Number of hourly rates quoted 28 65 52
Median hourly rate £35.00 £36.00 £42.50
Median hourly rate % change year-on-year -2.78% -15.29% +37.10%
10th Percentile £22.48 £13.65 £13.47
90th Percentile £55.00 £52.50 £68.63
Median hourly rate £35.00 £42.50 £41.53
% change year-on-year -17.65% +2.34% +5.14%

TDD
Job Vacancy Trend in Bristol

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

Job vacancy trend for TDD in Bristol

TDD
Contractor Daily Rate Trend in Bristol

3-month moving average daily rate quoted in jobs citing TDD in Bristol.

Daily rate trend for TDD in Bristol

TDD
Daily Rate Histogram in Bristol

Daily rate distribution for jobs citing TDD in Bristol over the 6 months to 18 September 2020.

Daily rate histogram for TDD in Bristol

TDD
Contractor Hourly Rate Trend in Bristol

3-month moving average hourly rates quoted in jobs citing TDD in Bristol.

Hourly rate trend for TDD in Bristol

For the 6 months to 18 September 2020, 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 30 (93.75%) Agile Software Development
2 27 (84.38%) Business Intelligence
2 27 (84.38%) Middleware
2 27 (84.38%) Finance
3 26 (81.25%) Manufacturing
3 26 (81.25%) Programme Management
3 26 (81.25%) Electronics
3 26 (81.25%) Telecoms
3 26 (81.25%) SOA
3 26 (81.25%) SAP
3 26 (81.25%) Marketing
3 26 (81.25%) Digital Marketing
3 26 (81.25%) Public Sector
4 25 (78.13%) SOAP
5 24 (75.00%) Web Services
5 24 (75.00%) RESTful
6 23 (71.88%) JSON
6 23 (71.88%) XML
7 22 (68.75%) Java
7 22 (68.75%) Apache Camel
8 21 (65.63%) Swagger
8 21 (65.63%) WireMock
8 21 (65.63%) XSLT
8 21 (65.63%) XPath
8 21 (65.63%) Maven
9 16 (50.00%) Mule
9 16 (50.00%) Oracle
9 16 (50.00%) Red Hat Fuse
9 16 (50.00%) WSO2
9 16 (50.00%) Oracle Service Bus

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 16 (50.00%) Mule
1 16 (50.00%) Oracle Service Bus
1 16 (50.00%) Oracle SOA Suite
1 16 (50.00%) Red Hat Fuse
2 1 (3.13%) Confluence
Cloud Services
1 3 (9.38%) AWS
1 3 (9.38%) Azure
2 2 (6.25%) BlazeMeter
Communications & Networking
1 1 (3.13%) HTTP
Development Applications
1 21 (65.63%) Maven
2 3 (9.38%) JIRA
2 3 (9.38%) JMeter
2 3 (9.38%) Zephyr
3 2 (6.25%) GitLab
3 2 (6.25%) Jenkins
3 2 (6.25%) LoadRunner
4 1 (3.13%) Selenium
4 1 (3.13%) SoapUI
4 1 (3.13%) SpecFlow
4 1 (3.13%) Team Foundation Server
4 1 (3.13%) Visual Studio
4 1 (3.13%) Visual Studio Coded UI
4 1 (3.13%) Visual Studio Team System
4 1 (3.13%) WebDriver
General
1 27 (84.38%) Finance
2 26 (81.25%) Electronics
2 26 (81.25%) Manufacturing
2 26 (81.25%) Marketing
2 26 (81.25%) Public Sector
2 26 (81.25%) Telecoms
3 1 (3.13%) Banking
Job Titles
1 24 (75.00%) Developer
2 22 (68.75%) Java Developer
3 14 (43.75%) Senior Developer
3 14 (43.75%) Senior Java Developer
4 11 (34.38%) Integration Developer
5 10 (31.25%) Senior Integration Developer
6 8 (25.00%) Lead Developer
6 8 (25.00%) Lead Java Developer
7 2 (6.25%) Analyst
7 2 (6.25%) Business Analyst
7 2 (6.25%) Business Integration Analyst
7 2 (6.25%) DevOps Engineer
7 2 (6.25%) Front End Developer (Client-Side Developer)
7 2 (6.25%) Integration Analyst
7 2 (6.25%) Senior DevOps
7 2 (6.25%) Senior DevOps Engineer
7 2 (6.25%) Test Manager
7 2 (6.25%) XML Analyst
8 1 (3.13%) Test Architect
8 1 (3.13%) XML Expert
Libraries, Frameworks & Software Standards
1 27 (84.38%) Middleware
2 25 (78.13%) SOAP
3 24 (75.00%) RESTful
3 24 (75.00%) Web Services
4 23 (71.88%) JSON
4 23 (71.88%) XML
5 22 (68.75%) Apache Camel
6 21 (65.63%) Swagger
6 21 (65.63%) WireMock
6 21 (65.63%) XSLT
7 5 (15.63%) Spring
7 5 (15.63%) Spring Boot
8 2 (6.25%) CSS
8 2 (6.25%) HTML
8 2 (6.25%) REST
9 1 (3.13%) Gherkin
9 1 (3.13%) Node.js
9 1 (3.13%) React
9 1 (3.13%) Vue.js
9 1 (3.13%) XML Schema
Miscellaneous
1 4 (12.50%) Greenfield Project
2 2 (6.25%) Analytical Skills
2 2 (6.25%) Enterprise Software
2 2 (6.25%) Video Conferencing
3 1 (3.13%) Client/Server
3 1 (3.13%) Public Cloud
Operating Systems
1 2 (6.25%) Linux
1 2 (6.25%) Red Hat Enterprise Linux
Processes & Methodologies
1 30 (93.75%) Agile Software Development
2 27 (84.38%) Business Intelligence
3 26 (81.25%) Digital Marketing
3 26 (81.25%) Programme Management
3 26 (81.25%) SOA
4 7 (21.88%) Scrum
5 5 (15.63%) Continuous Integration
5 5 (15.63%) DevOps
6 4 (12.50%) BDD
7 3 (9.38%) Kanban
7 3 (9.38%) Test Management
8 2 (6.25%) Agile Testing
8 2 (6.25%) Business Analysis
8 2 (6.25%) Configuration Management
8 2 (6.25%) Non-Functional Testing
8 2 (6.25%) Software Testing
8 2 (6.25%) Stakeholder Management
8 2 (6.25%) Test Automation
8 2 (6.25%) User Stories
8 2 (6.25%) V-Model
Programming Languages
1 22 (68.75%) Java
2 21 (65.63%) XPath
3 2 (6.25%) JavaScript
4 1 (3.13%) C#
4 1 (3.13%) Java 8
4 1 (3.13%) SQL
Qualifications
1 2 (6.25%) ISEB
1 2 (6.25%) Security Cleared
2 1 (3.13%) SC Cleared
Systems Management
1 2 (6.25%) Ansible
1 2 (6.25%) Opscode Chef
1 2 (6.25%) Puppet
1 2 (6.25%) Terraform
Vendors
1 26 (81.25%) SAP
2 16 (50.00%) Oracle
2 16 (50.00%) Talend
2 16 (50.00%) WSO2
3 1 (3.13%) Microsoft