Period
to 19 February 2019

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 19 February 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)
South West > Bristol
6 months to
19 Feb 2019
Same period 2018 Same period 2017
Rank 26 35 31
Rank change year-on-year +9 -4 +4
Contract jobs citing TDD 138 90 91
As % of all contract IT jobs advertised in Bristol 6.61% 4.80% 5.76%
As % of the Processes & Methodologies category 7.78% 5.83% 6.78%
Number of daily rates quoted 98 63 63
Bristol median daily rate £444 £450 £375
Median daily rate % change year-on-year -1.39% +20.00% -
10th Percentile £363 £313 £282
90th Percentile £594 £525 £521
South West median daily rate £450 £419 £363
% change year-on-year +7.46% +15.52% -3.33%
Number of hourly rates quoted 4 0 0
Bristol median hourly rate £56.25 - -
South West median hourly rate £56.25 - -

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 1,773 1,544 1,342
As % of all contract IT jobs advertised in Bristol 84.87% 82.35% 84.94%
Number of daily rates quoted 1,223 1,011 927
Bristol median daily rate £425 £395 £375
Median daily rate % change year-on-year +7.59% +5.33% -
10th Percentile £297 £263 £250
90th Percentile £575 £538 £544
South West median daily rate £435 £400 £375
% change year-on-year +8.75% +6.67% -
Number of hourly rates quoted 65 34 51
Bristol median hourly rate £38.50 £17.50 £25.00
Median hourly rate % change year-on-year +120.00% -30.00% -13.04%
10th Percentile £13.00 £11.40 £12.00
90th Percentile £63.10 £49.25 £48.75
South West median hourly rate £40.50 £30.00 £37.50
% change year-on-year +35.00% -20.00% -4.46%

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 19 February 2019.

Contractor daily rate histogram for TDD in Bristol

TDD
Contractor Hourly Rate Histogram in Bristol

The hourly rate distribution of IT jobs citing TDD in Bristol over the 6 months to 19 February 2019.

Contractor hourly rate histogram for TDD in Bristol

For the 6 months to 19 February 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 Bristol region with a requirement for TDD.

1 106 (76.81%) Agile Software Development
2 71 (51.45%) Java
3 66 (47.83%) JavaScript
4 57 (41.30%) Scrum
4 57 (41.30%) Continuous Integration
5 55 (39.86%) BDD
6 43 (31.16%) MVC
7 42 (30.43%) CSS
8 41 (29.71%) HTML
9 40 (28.99%) Spring
10 39 (28.26%) RESTful
10 39 (28.26%) Problem-Solving
11 38 (27.54%) Test Automation
12 34 (24.64%) Jenkins
13 33 (23.91%) Scala
14 32 (23.19%) REST
15 29 (21.01%) AngularJS
16 28 (20.29%) Kanban
16 28 (20.29%) .NET
17 27 (19.57%) JIRA
17 27 (19.57%) Microsoft Azure
18 26 (18.84%) Play Framework
18 26 (18.84%) Ruby
18 26 (18.84%) JUnit
19 25 (18.12%) C#
19 25 (18.12%) Git (software)
20 24 (17.39%) Relational Database
20 24 (17.39%) Responsive Web Design
20 24 (17.39%) Finance
20 24 (17.39%) Configuration Management

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 22 (15.94%) Confluence
2 12 (8.70%) Apache Spark
2 12 (8.70%) Tomcat
3 8 (5.80%) OpenStack
3 8 (5.80%) WebLogic
3 8 (5.80%) WebSphere
4 4 (2.90%) JBoss
5 2 (1.45%) CMS
5 2 (1.45%) EPiServer
5 2 (1.45%) Oracle SOA Suite
5 2 (1.45%) Sitecore CMS
5 2 (1.45%) Umbraco
6 1 (0.72%) Adobe Experience Manager
6 1 (0.72%) Elasticsearch
Business Applications
1 6 (4.35%) Dynamics CRM
Cloud Services
1 27 (19.57%) Microsoft Azure
2 20 (14.49%) Amazon AWS
3 7 (5.07%) SaaS
4 6 (4.35%) Azure Active Directory
4 6 (4.35%) Dynamics 365
5 4 (2.90%) Azure Functions
5 4 (2.90%) Serverless
6 1 (0.72%) GitHub
6 1 (0.72%) Google Cloud Platform
Communications & Networking
1 22 (15.94%) HTTP
Database & Business Intelligence
1 24 (17.39%) Relational Database
2 18 (13.04%) SQL Server
3 10 (7.25%) MySQL
4 9 (6.52%) NoSQL
5 8 (5.80%) MongoDB
5 8 (5.80%) PostgreSQL
6 7 (5.07%) Big Data
6 7 (5.07%) Hadoop
7 5 (3.62%) Apache Cassandra
8 2 (1.45%) Oracle Reports
9 1 (0.72%) Data Lake
9 1 (0.72%) Power BI
Development Applications
1 34 (24.64%) Jenkins
2 27 (19.57%) JIRA
3 26 (18.84%) JUnit
4 25 (18.12%) Git (software)
5 20 (14.49%) Hudson
6 19 (13.77%) Subversion
7 15 (10.87%) Visual Studio
8 14 (10.14%) Maven
9 10 (7.25%) Visual Studio Team System
10 8 (5.80%) Ant
10 8 (5.80%) MSTest
10 8 (5.80%) NUnit
10 8 (5.80%) Team Foundation Server
11 6 (4.35%) Atlassian Bamboo
11 6 (4.35%) CruiseControl
11 6 (4.35%) Eclipse
12 5 (3.62%) Selenium
12 5 (3.62%) SoapUI
13 4 (2.90%) IntelliJ
14 3 (2.17%) LoadRunner
General
1 24 (17.39%) Finance
2 7 (5.07%) Banking
3 6 (4.35%) Electronics
3 6 (4.35%) Manufacturing
3 6 (4.35%) Marketing
3 6 (4.35%) Telecoms
4 3 (2.17%) Law
5 2 (1.45%) Financial Institution
6 1 (0.72%) Automotive
6 1 (0.72%) Games
6 1 (0.72%) Retail
Job Titles
1 111 (80.43%) Developer
2 30 (21.74%) Agile Developer
3 27 (19.57%) Java Developer
4 26 (18.84%) Scala Developer
5 19 (13.77%) .NET Developer
6 12 (8.70%) Front End Developer (Client-Side Developer)
7 11 (7.97%) C# Developer
7 11 (7.97%) JavaScript Developer
7 11 (7.97%) Scrum Master
8 8 (5.80%) AWS Developer
9 6 (4.35%) Angular Developer
9 6 (4.35%) AWS DevOps
9 6 (4.35%) AWS DevOps Engineer
9 6 (4.35%) AWS Engineer
9 6 (4.35%) CRM Developer
9 6 (4.35%) DevOps Engineer
9 6 (4.35%) Dynamics CRM Developer
10 5 (3.62%) Azure Developer
10 5 (3.62%) MongoDB Developer
10 5 (3.62%) UI Developer
Libraries, Frameworks & Software Standards
1 42 (30.43%) CSS
2 41 (29.71%) HTML
3 40 (28.99%) Spring
4 39 (28.26%) RESTful
5 32 (23.19%) REST
6 29 (21.01%) AngularJS
7 28 (20.29%) .NET
8 26 (18.84%) Play Framework
9 22 (15.94%) Spring MVC
10 20 (14.49%) Django
10 20 (14.49%) Guice
10 20 (14.49%) jQuery
10 20 (14.49%) Ruby on Rails
11 19 (13.77%) JSON
12 18 (13.04%) Web Services
13 17 (12.32%) SOAP
14 16 (11.59%) Hibernate
15 12 (8.70%) ASP.NET
16 11 (7.97%) ASP.NET Web API
16 11 (7.97%) React
Miscellaneous
1 15 (10.87%) Greenfield Project
2 14 (10.14%) Analytical Skills
2 14 (10.14%) Self-Motivation
3 5 (3.62%) Enterprise Software
4 4 (2.90%) Algorithms
4 4 (2.90%) Data Structures
4 4 (2.90%) N-Tier
5 1 (0.72%) Robotics
Operating Systems
1 22 (15.94%) Linux
2 2 (1.45%) Red Hat Enterprise Linux
2 2 (1.45%) Windows
2 2 (1.45%) Windows Server
3 1 (0.72%) Android
3 1 (0.72%) Apple iOS
Processes & Methodologies
1 106 (76.81%) Agile Software Development
2 57 (41.30%) Continuous Integration
2 57 (41.30%) Scrum
3 55 (39.86%) BDD
4 43 (31.16%) MVC
5 39 (28.26%) Problem-Solving
6 38 (27.54%) Test Automation
7 28 (20.29%) Kanban
8 24 (17.39%) Configuration Management
8 24 (17.39%) Pair Programming
8 24 (17.39%) Responsive Web Design
8 24 (17.39%) Web Design
9 23 (16.67%) DevOps
10 20 (14.49%) Functional Programming
11 19 (13.77%) Digital Transformation Programme
11 19 (13.77%) OO
11 19 (13.77%) Open Source
11 19 (13.77%) OWASP
12 13 (9.42%) Front End Development
12 13 (9.42%) Microservices
Programming Languages
1 71 (51.45%) Java
2 66 (47.83%) JavaScript
3 33 (23.91%) Scala
4 26 (18.84%) Ruby
5 25 (18.12%) C#
6 14 (10.14%) SQL
7 11 (7.97%) Python
8 9 (6.52%) Java 8
9 6 (4.35%) T-SQL
10 3 (2.17%) PHP
11 2 (1.45%) ES6
12 1 (0.72%) Apple Swift
12 1 (0.72%) C
12 1 (0.72%) PowerShell
Qualifications
1 19 (13.77%) BPSS Clearance
2 7 (5.07%) SC Cleared
2 7 (5.07%) Security Cleared
3 6 (4.35%) Degree
4 3 (2.17%) ISTQB
5 1 (0.72%) Sun Certification
Quality Assurance & Compliance
1 5 (3.62%) HL7
2 1 (0.72%) QA
System Software
1 13 (9.42%) Docker
2 6 (4.35%) Active Directory
Systems Management
1 10 (7.25%) Ansible
2 9 (6.52%) Opscode Chef
2 9 (6.52%) Puppet
3 7 (5.07%) Terraform
4 5 (3.62%) Kibana
5 2 (1.45%) Kubernetes
Vendors
1 21 (15.22%) Google
2 16 (11.59%) Oracle
3 11 (7.97%) Microsoft
4 6 (4.35%) Perforce
4 6 (4.35%) SAP
5 2 (1.45%) Red Hat
5 2 (1.45%) Sitecore
5 2 (1.45%) VMware
6 1 (0.72%) Adobe
6 1 (0.72%) hybris