Period
to 21 August 2018

The following table provides summary statistics for permanent job vacancies advertised in Bristol with a requirement for TDD skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited TDD over the 6 months to 21 August 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
South West > Bristol
6 months to
21 Aug 2018
Same period 2017 Same period 2016
Rank 25 29 39
Rank change year-on-year +4 +10 -18
Permanent jobs citing TDD 339 375 217
As % of all permanent IT jobs advertised in Bristol 9.07% 9.75% 6.40%
As % of the Processes & Methodologies category 9.73% 10.50% 7.03%
Number of salaries quoted 284 332 202
Bristol median annual salary £47,500 £47,500 £40,000
Median salary % change year-on-year - +18.75% -5.88%
10th Percentile £36,250 £31,250 £26,250
90th Percentile £60,000 £71,150 £65,000
South West median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% +6.25%

TDD is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Bristol with a requirement for process or methodology skills.

All Process and Methodology Skills
Bristol
Permanent vacancies with a requirement for process or methodology skills 3,483 3,570 3,085
As % of all permanent IT jobs advertised in Bristol 93.18% 92.82% 90.98%
Number of salaries quoted 2,851 2,949 2,689
Bristol median annual salary £45,000 £42,500 £42,500
Median salary % change year-on-year +5.88% - +6.25%
10th Percentile £26,750 £26,250 £26,250
90th Percentile £67,500 £67,500 £66,450
South West median annual salary £42,500 £42,000 £40,000
% change year-on-year +1.19% +5.00% -

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
Salary Trend in Bristol

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing TDD in Bristol.

Salary trend for TDD in Bristol

TDD
Salary Histogram in Bristol

The salary distribution of IT jobs citing TDD in Bristol over the 6 months to 21 August 2018.

Salary histogram for TDD in Bristol

For the 6 months to 21 August 2018, IT 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 permanent job ads across the Bristol region with a requirement for TDD.

1 269 (79.35%) Agile Software Development
2 166 (48.97%) BDD
3 162 (47.79%) Java
4 142 (41.89%) JavaScript
5 130 (38.35%) Scrum
6 116 (34.22%) HTML
7 109 (32.15%) C#
8 106 (31.27%) Software Engineering
9 92 (27.14%) Continuous Integration
10 89 (26.25%) HTML5
11 88 (25.96%) CSS
12 87 (25.66%) AngularJS
13 85 (25.07%) MVC
14 76 (22.42%) Web Services
15 75 (22.12%) Finance
16 73 (21.53%) .NET
17 72 (21.24%) User Experience
18 69 (20.35%) Test Automation
18 69 (20.35%) SQL
18 69 (20.35%) Spring
19 68 (20.06%) Electronics
20 63 (18.58%) Git (software)
21 62 (18.29%) NoSQL
22 60 (17.70%) Greenfield Project
23 59 (17.40%) Telecoms
24 56 (16.52%) Business Intelligence
24 56 (16.52%) Android
24 56 (16.52%) REST
25 55 (16.22%) Problem-Solving
26 53 (15.63%) SQL Server

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 40 (11.80%) Tomcat
2 23 (6.78%) Elasticsearch
3 19 (5.60%) JBoss
4 18 (5.31%) Apache
5 14 (4.13%) Jetty
5 14 (4.13%) WebLogic
6 13 (3.83%) nginx
7 10 (2.95%) Alfresco
7 10 (2.95%) Confluence
7 10 (2.95%) Joomla!
8 7 (2.06%) EPiServer
9 6 (1.77%) CMS
10 5 (1.47%) GlassFish
10 5 (1.47%) WebSphere
11 4 (1.18%) Drupal
11 4 (1.18%) Umbraco
12 3 (0.88%) IIS
13 2 (0.59%) Apache Solr
13 2 (0.59%) WordPress
14 1 (0.29%) Sitecore CMS
Applications
1 4 (1.18%) Microsoft Project
2 1 (0.29%) Microsoft Excel
Business Applications
1 1 (0.29%) WebTrends
Cloud Services
1 45 (13.27%) Microsoft Azure
2 32 (9.44%) Amazon AWS
3 8 (2.36%) Cloud Computing
3 8 (2.36%) SaaS
4 7 (2.06%) IaaS
4 7 (2.06%) PaaS
5 5 (1.47%) Serverless
6 3 (0.88%) Google Play
7 1 (0.29%) Amazon EC2
7 1 (0.29%) Amazon S3
7 1 (0.29%) Google Cloud Platform
Communications & Networking
1 24 (7.08%) Internet
2 21 (6.19%) IPv4
2 21 (6.19%) IPv6
2 21 (6.19%) TCP/IP
3 19 (5.60%) Wireless
4 8 (2.36%) HTTP
5 7 (2.06%) SMS
5 7 (2.06%) SSL
6 1 (0.29%) Broadband
Database & Business Intelligence
1 62 (18.29%) NoSQL
2 53 (15.63%) SQL Server
3 33 (9.73%) MongoDB
4 31 (9.14%) Big Data
5 23 (6.78%) Neo4j
6 21 (6.19%) InfluxDB
7 17 (5.01%) Hadoop
8 15 (4.42%) MySQL
8 15 (4.42%) Redis
9 14 (4.13%) Couchbase
9 14 (4.13%) Riak
10 13 (3.83%) PostgreSQL
11 10 (2.95%) Relational Database
12 9 (2.65%) Apache Cassandra
13 7 (2.06%) CouchDB
13 7 (2.06%) RDBMS
14 5 (1.47%) SQL Server 2016
15 4 (1.18%) Oracle Database
15 4 (1.18%) Oracle Database 10g
16 2 (0.59%) Amazon DynamoDB
Development Applications
1 63 (18.58%) Git (software)
2 46 (13.57%) Maven
3 45 (13.27%) Subversion
4 40 (11.80%) JUnit
5 36 (10.62%) JIRA
6 30 (8.85%) Selenium
7 26 (7.67%) Team Foundation Server
8 25 (7.37%) Atlassian Bamboo
9 21 (6.19%) Bitbucket
9 21 (6.19%) Spock
10 20 (5.90%) Calabash
11 19 (5.60%) fastlane
11 19 (5.60%) Jenkins
12 18 (5.31%) Cucumber
13 16 (4.72%) Android Studio
14 15 (4.42%) SpecFlow
15 14 (4.13%) Mercurial
16 13 (3.83%) Gradle
16 13 (3.83%) Mockito
17 12 (3.54%) Ant
General
1 75 (22.12%) Finance
2 68 (20.06%) Electronics
3 59 (17.40%) Telecoms
4 50 (14.75%) Marketing
5 49 (14.45%) Manufacturing
6 18 (5.31%) Retail
7 16 (4.72%) Law
8 10 (2.95%) Banking
9 3 (0.88%) Games
10 1 (0.29%) Local Government
Job Titles
1 233 (68.73%) Developer
2 88 (25.96%) Java Developer
3 60 (17.70%) Software Developer
4 44 (12.98%) .NET Developer
5 41 (12.09%) Software Engineer
6 36 (10.62%) C# Developer
6 36 (10.62%) Senior Developer
7 27 (7.96%) C# .NET Developer
8 22 (6.49%) Applications Developer
9 21 (6.19%) ASP.NET Developer
10 20 (5.90%) C# ASP.NET Developer
10 20 (5.90%) Java Software Developer
10 20 (5.90%) JavaScript Developer
11 18 (5.31%) C# Software Developer
12 17 (5.01%) Full Stack Developer
13 16 (4.72%) C++ Software Engineer
14 15 (4.42%) Test Engineer
15 14 (4.13%) ASP.NET MVC Developer
16 13 (3.83%) .NET Software Developer
16 13 (3.83%) Android Developer
Libraries, Frameworks & Software Standards
1 116 (34.22%) HTML
2 89 (26.25%) HTML5
3 88 (25.96%) CSS
4 87 (25.66%) AngularJS
5 76 (22.42%) Web Services
6 73 (21.53%) .NET
7 69 (20.35%) Spring
8 56 (16.52%) REST
9 53 (15.63%) ASP.NET
10 48 (14.16%) Node.js
11 43 (12.68%) Hibernate
12 39 (11.50%) React
13 37 (10.91%) XML
14 36 (10.62%) RESTful
15 34 (10.03%) CSS3
15 34 (10.03%) JPA
16 33 (9.73%) SOAP
17 32 (9.44%) ASP.NET MVC
18 25 (7.37%) .NET Framework
19 23 (6.78%) Java EE
Miscellaneous
1 72 (21.24%) User Experience
2 60 (17.70%) Greenfield Project
3 32 (9.44%) Computer Science
4 21 (6.19%) RIA
5 18 (5.31%) Analytical Skills
6 13 (3.83%) Algorithms
7 12 (3.54%) Data Structures
8 11 (3.24%) Enterprise Software
8 11 (3.24%) Mobile App
9 7 (2.06%) Embedded Systems
10 6 (1.77%) Self-Motivation
11 3 (0.88%) Digital Media
11 3 (0.88%) Fintech
11 3 (0.88%) iPhone
12 2 (0.59%) Field-Programmable Gate Array
12 2 (0.59%) Virtual Team
13 1 (0.29%) iPad
13 1 (0.29%) Linux Command Line
13 1 (0.29%) Wiki
Operating Systems
1 56 (16.52%) Android
2 46 (13.57%) Apple iOS
3 36 (10.62%) Linux
4 21 (6.19%) FreeBSD
5 4 (1.18%) Windows
6 3 (0.88%) Unix
Processes & Methodologies
1 269 (79.35%) Agile Software Development
2 166 (48.97%) BDD
3 130 (38.35%) Scrum
4 106 (31.27%) Software Engineering
5 92 (27.14%) Continuous Integration
6 85 (25.07%) MVC
7 69 (20.35%) Test Automation
8 56 (16.52%) Business Intelligence
9 55 (16.22%) Problem-Solving
10 50 (14.75%) Digital Marketing
11 49 (14.45%) OO
11 49 (14.45%) Programme Management
12 43 (12.68%) DevOps
12 43 (12.68%) UML
13 42 (12.39%) Android Development
14 38 (11.21%) Microservices
14 38 (11.21%) Mobile Development
15 35 (10.32%) iOS Development
15 35 (10.32%) Kanban
16 33 (9.73%) Web Development
Programming Languages
1 162 (47.79%) Java
2 142 (41.89%) JavaScript
3 109 (32.15%) C#
4 69 (20.35%) SQL
5 49 (14.45%) Python
6 47 (13.86%) C++
7 26 (7.67%) PHP
8 24 (7.08%) Scala
9 23 (6.78%) C
9 23 (6.78%) Clojure
10 21 (6.19%) Groovy
11 16 (4.72%) Ruby
12 15 (4.42%) Objective-C
13 10 (2.95%) ES6
13 10 (2.95%) Java 8
14 9 (2.65%) ES7
15 5 (1.47%) Apple Swift
16 4 (1.18%) Kotlin
16 4 (1.18%) PL/SQL
17 3 (0.88%) T-SQL
Qualifications
1 43 (12.68%) Degree
2 34 (10.03%) Security Cleared
3 20 (5.90%) SC Cleared
4 14 (4.13%) Computer Science Degree
5 8 (2.36%) DV Cleared
6 7 (2.06%) ISTQB
7 4 (1.18%) ISEB
8 1 (0.29%) ISTQB Foundation Certification
Quality Assurance & Compliance
1 22 (6.49%) QA
2 1 (0.29%) MISRA
System Software
1 14 (4.13%) Docker
2 2 (0.59%) Hyper-V
Systems Management
1 21 (6.19%) Icinga
2 13 (3.83%) HockeyApp
3 7 (2.06%) Puppet
4 6 (1.77%) Ansible
5 4 (1.18%) Cobbler
5 4 (1.18%) Opscode Chef
6 1 (0.29%) Business Desktop Deployment
6 1 (0.29%) Packer
6 1 (0.29%) Terraform
Vendors
1 49 (14.45%) SAP
2 45 (13.27%) Microsoft
3 26 (7.67%) Atlassian
4 20 (5.90%) Oracle
5 7 (2.06%) Sitecore
6 4 (1.18%) Cognizant
6 4 (1.18%) Google
7 3 (0.88%) Zend
8 1 (0.29%) BT
8 1 (0.29%) IBM
8 1 (0.29%) Sybase
8 1 (0.29%) Xamarin