Period
to 17 November 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 17 November 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
17 Nov 2018
Same period 2017 Same period 2016
Rank 32 42 21
Rank change year-on-year +10 -21 +3
Contract jobs citing TDD 137 88 122
As % of all contract IT jobs advertised in Bristol 6.52% 4.46% 6.99%
As % of the Processes & Methodologies category 7.68% 5.41% 8.20%
Number of daily rates quoted 110 65 99
Bristol median daily rate £425 £425 £415
Median daily rate % change year-on-year - +2.41% +3.75%
10th Percentile £363 £299 £313
90th Percentile £538 £525 £575
South West median daily rate £425 £403 £375
% change year-on-year +5.59% +7.33% -
Number of hourly rates quoted 4 0 0
Bristol median hourly rate £56.25 - -
South West median hourly rate £56.25 - £37.50

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 1,785 1,628 1,488
As % of all contract IT jobs advertised in Bristol 84.96% 82.47% 85.22%
Number of daily rates quoted 1,215 1,107 1,069
Bristol median daily rate £413 £380 £375
Median daily rate % change year-on-year +8.55% +1.33% -
10th Percentile £275 £259 £255
90th Percentile £538 £531 £550
South West median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% -
Number of hourly rates quoted 59 47 72
Bristol median hourly rate £41.50 £23.00 £25.00
Median hourly rate % change year-on-year +80.43% -8.00% +51.52%
10th Percentile £15.39 £11.90 £12.00
90th Percentile £67.75 £48.50 £46.45
South West median hourly rate £41.53 £35.00 £29.60
% change year-on-year +18.66% +18.24% -22.11%

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 17 November 2018.

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 17 November 2018.

Contractor hourly rate histogram for TDD in Bristol

For the 6 months to 17 November 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.

1 121 (88.32%) Agile Software Development
2 81 (59.12%) Java
3 68 (49.64%) Continuous Integration
4 52 (37.96%) OO
5 50 (36.50%) Oracle
6 48 (35.04%) Microsoft Azure
7 46 (33.58%) Amazon AWS
8 44 (32.12%) Ansible
8 44 (32.12%) Tomcat
9 43 (31.39%) MySQL
9 43 (31.39%) Migration
10 42 (30.66%) PostgreSQL
10 42 (30.66%) NUnit
10 42 (30.66%) WebSphere
10 42 (30.66%) WebLogic
10 42 (30.66%) OpenStack
10 42 (30.66%) Opscode Chef
10 42 (30.66%) MSTest
10 42 (30.66%) Puppet
10 42 (30.66%) NoSQL
11 40 (29.20%) JavaScript
12 38 (27.74%) BDD
13 37 (27.01%) Scrum
14 26 (18.98%) MVC
15 24 (17.52%) Spring
16 23 (16.79%) REST
17 22 (16.06%) Test Automation
17 22 (16.06%) Problem-Solving
18 21 (15.33%) C#
18 21 (15.33%) .NET

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 44 (32.12%) Tomcat
2 42 (30.66%) OpenStack
2 42 (30.66%) WebLogic
2 42 (30.66%) WebSphere
3 8 (5.84%) Confluence
4 5 (3.65%) Apache Spark
5 3 (2.19%) Adobe Experience Manager
5 3 (2.19%) EPiServer
5 3 (2.19%) JBoss
6 2 (1.46%) CMS
6 2 (1.46%) Oracle SOA Suite
7 1 (0.73%) Apache
7 1 (0.73%) Drupal
7 1 (0.73%) Elasticsearch
Cloud Services
1 48 (35.04%) Microsoft Azure
2 46 (33.58%) Amazon AWS
3 4 (2.92%) SaaS
4 1 (0.73%) GitHub
4 1 (0.73%) Google Cloud Platform
4 1 (0.73%) npm
4 1 (0.73%) OpenShift
Communications & Networking
1 9 (6.57%) HTTP
2 1 (0.73%) SSL
2 1 (0.73%) TCP/IP
Database & Business Intelligence
1 43 (31.39%) MySQL
2 42 (30.66%) NoSQL
2 42 (30.66%) PostgreSQL
3 12 (8.76%) SQL Server
4 8 (5.84%) Relational Database
5 4 (2.92%) Big Data
5 4 (2.92%) MongoDB
6 3 (2.19%) Hadoop
7 2 (1.46%) Apache Cassandra
7 2 (1.46%) Oracle Reports
8 1 (0.73%) Geospatial Data
8 1 (0.73%) GIS
8 1 (0.73%) JasperReports
8 1 (0.73%) RDBMS
Development Applications
1 42 (30.66%) MSTest
1 42 (30.66%) NUnit
2 13 (9.49%) Jenkins
2 13 (9.49%) JIRA
3 12 (8.76%) Maven
4 11 (8.03%) JUnit
5 9 (6.57%) Git (software)
6 8 (5.84%) Hudson
7 7 (5.11%) Subversion
8 6 (4.38%) Ant
8 6 (4.38%) Team Foundation Server
8 6 (4.38%) Visual Studio
9 4 (2.92%) CruiseControl
9 4 (2.92%) IntelliJ
10 3 (2.19%) Atlassian Bamboo
10 3 (2.19%) Eclipse
10 3 (2.19%) Mockito
10 3 (2.19%) Selenium
10 3 (2.19%) SonarQube
11 2 (1.46%) Cucumber
General
1 18 (13.14%) Finance
2 5 (3.65%) Banking
3 4 (2.92%) Legal
4 2 (1.46%) Financial Institution
4 2 (1.46%) Games
4 2 (1.46%) Law
4 2 (1.46%) Retail
5 1 (0.73%) Automotive
5 1 (0.73%) Electronics
5 1 (0.73%) Manufacturing
5 1 (0.73%) Marketing
5 1 (0.73%) Telecoms
Job Titles
1 114 (83.21%) Developer
2 61 (44.53%) Java Developer
3 18 (13.14%) .NET Developer
3 18 (13.14%) AWS Developer
4 12 (8.76%) Agile Developer
5 11 (8.03%) Scrum Master
6 8 (5.84%) Front End Developer (Client-Side Developer)
7 7 (5.11%) C# Developer
7 7 (5.11%) Scala Developer
8 6 (4.38%) JavaScript Developer
9 5 (3.65%) Backend Developer
9 5 (3.65%) Web Developer
10 4 (2.92%) Agile Java Developer
10 4 (2.92%) Analyst
10 4 (2.92%) C# Web Developer
10 4 (2.92%) JavaScript Engineer
10 4 (2.92%) Programmer
11 3 (2.19%) ASP.NET Developer
11 3 (2.19%) SQL Developer
11 3 (2.19%) UI Developer
Libraries, Frameworks & Software Standards
1 24 (17.52%) Spring
2 23 (16.79%) REST
3 21 (15.33%) .NET
4 20 (14.60%) CSS
5 19 (13.87%) HTML
5 19 (13.87%) RESTful
6 15 (10.95%) jQuery
6 15 (10.95%) Web Services
7 13 (9.49%) ASP.NET
8 11 (8.03%) AngularJS
8 11 (8.03%) Hibernate
8 11 (8.03%) SOAP
9 10 (7.30%) HTML5
9 10 (7.30%) Node.js
10 9 (6.57%) Spring MVC
11 8 (5.84%) React
11 8 (5.84%) Spring Boot
12 7 (5.11%) Guice
12 7 (5.11%) Play Framework
12 7 (5.11%) Sass
Miscellaneous
1 15 (10.95%) Greenfield Project
1 15 (10.95%) Self-Motivation
2 12 (8.76%) Analytical Skills
3 3 (2.19%) Enterprise Software
4 2 (1.46%) Algorithms
4 2 (1.46%) Computer Science
4 2 (1.46%) Data Structures
4 2 (1.46%) N-Tier
5 1 (0.73%) Foreign Exchange (FX)
5 1 (0.73%) Management Information System
5 1 (0.73%) Robotics
5 1 (0.73%) User Experience
Operating Systems
1 10 (7.30%) Linux
2 3 (2.19%) Windows
3 2 (1.46%) Android
3 2 (1.46%) Apple iOS
3 2 (1.46%) Red Hat Enterprise Linux
3 2 (1.46%) Windows Server
4 1 (0.73%) Unix
Processes & Methodologies
1 121 (88.32%) Agile Software Development
2 68 (49.64%) Continuous Integration
3 52 (37.96%) OO
4 43 (31.39%) Migration
5 38 (27.74%) BDD
6 37 (27.01%) Scrum
7 26 (18.98%) MVC
8 22 (16.06%) Problem-Solving
8 22 (16.06%) Test Automation
9 17 (12.41%) Unit Testing
10 16 (11.68%) Microservices
11 13 (9.49%) Kanban
12 12 (8.76%) Front End Development
13 10 (7.30%) SDLC
14 9 (6.57%) DevOps
14 9 (6.57%) Pair Programming
15 8 (5.84%) Process Improvement
16 7 (5.11%) Decision-Making
16 7 (5.11%) Functional Programming
16 7 (5.11%) Open Source
Programming Languages
1 81 (59.12%) Java
2 40 (29.20%) JavaScript
3 21 (15.33%) C#
4 18 (13.14%) SQL
5 11 (8.03%) Java 8
6 10 (7.30%) Scala
7 8 (5.84%) Ruby
8 2 (1.46%) Apple Swift
8 2 (1.46%) C
8 2 (1.46%) PHP
9 1 (0.73%) Kotlin
9 1 (0.73%) Python
9 1 (0.73%) T-SQL
Qualifications
1 8 (5.84%) SC Cleared
1 8 (5.84%) Security Cleared
2 6 (4.38%) BPSS Clearance
2 6 (4.38%) Degree
Quality Assurance & Compliance
1 2 (1.46%) HL7
1 2 (1.46%) QA
System Software
1 3 (2.19%) Docker
2 1 (0.73%) Active Directory
Systems Management
1 44 (32.12%) Ansible
2 42 (30.66%) Opscode Chef
2 42 (30.66%) Puppet
3 3 (2.19%) Kubernetes
4 2 (1.46%) Terraform
Vendors
1 50 (36.50%) Oracle
2 9 (6.57%) Google
3 4 (2.92%) Adobe
4 3 (2.19%) Microsoft
4 3 (2.19%) Perforce
5 2 (1.46%) Coverity
5 2 (1.46%) Red Hat
5 2 (1.46%) VMware
6 1 (0.73%) Atlassian
6 1 (0.73%) hybris
6 1 (0.73%) SAP