Period
to 15 December 2018

The following table provides summary statistics for permanent job vacancies advertised in Birmingham 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 15 December 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
West Midlands > Birmingham
6 months to
15 Dec 2018
Same period 2017 Same period 2016
Rank 37 57 87
Rank change year-on-year +20 +30 -53
Permanent jobs citing TDD 206 177 138
As % of all permanent IT jobs advertised in Birmingham 5.88% 4.65% 3.00%
As % of the Processes & Methodologies category 6.46% 5.06% 3.26%
Number of salaries quoted 185 169 135
Birmingham median annual salary £50,000 £45,000 £45,000
Median salary % change year-on-year +11.11% - +12.50%
10th Percentile £32,500 £27,500 £27,500
90th Percentile £75,000 £70,000 £69,000
West Midlands median annual salary £45,000 £40,000 £42,500
% change year-on-year +12.50% -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 Birmingham with a requirement for process or methodology skills.

All Process and Methodology Skills
Birmingham
Permanent vacancies with a requirement for process or methodology skills 3,189 3,499 4,229
As % of all permanent IT jobs advertised in Birmingham 91.01% 91.86% 91.93%
Number of salaries quoted 2,268 2,716 3,119
Birmingham median annual salary £47,500 £45,000 £42,765
Median salary % change year-on-year +5.56% +5.23% +0.62%
10th Percentile £26,750 £26,250 £26,250
90th Percentile £76,250 £67,500 £67,500
West Midlands median annual salary £45,000 £40,000 £41,500
% change year-on-year +12.50% -3.61% +3.75%

TDD
Job Vacancy Trend in Birmingham

Job postings citing TDD as a percentage of all IT jobs advertised in Birmingham.

Job vacancy trend for TDD in Birmingham

TDD
Salary Trend in Birmingham

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

Salary trend for TDD in Birmingham

TDD
Salary Histogram in Birmingham

The salary distribution of IT jobs citing TDD in Birmingham over the 6 months to 15 December 2018.

Salary histogram for TDD in Birmingham

For the 6 months to 15 December 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 Birmingham region with a requirement for TDD.

1 178 (86.41%) Agile Software Development
2 117 (56.80%) JavaScript
3 107 (51.94%) C#
4 90 (43.69%) .NET
5 76 (36.89%) HTML
6 72 (34.95%) Scrum
7 67 (32.52%) CSS
8 63 (30.58%) Java
9 60 (29.13%) BDD
10 59 (28.64%) MVC
11 55 (26.70%) SQL
12 51 (24.76%) Git (software)
13 47 (22.82%) Continuous Integration
13 47 (22.82%) Microsoft Azure
13 47 (22.82%) Microsoft
14 46 (22.33%) Marketing
15 45 (21.84%) Digital Marketing
15 45 (21.84%) Mentoring
16 44 (21.36%) Software Engineering
17 43 (20.87%) AngularJS
18 42 (20.39%) Spring
19 40 (19.42%) ASP.NET
20 38 (18.45%) Microservices
21 37 (17.96%) jQuery
22 36 (17.48%) SQL Server
23 33 (16.02%) React
24 32 (15.53%) Web Development
25 30 (14.56%) Node.js
26 29 (14.08%) Degree
26 29 (14.08%) ASP.NET MVC

TDD
Co-occurring IT Skills in Birmingham 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 21 (10.19%) CMS
2 16 (7.77%) Elasticsearch
3 11 (5.34%) SharePoint
4 10 (4.85%) Tomcat
5 9 (4.37%) Drupal
6 3 (1.46%) Adobe Experience Manager
7 2 (0.97%) Sitecore CMS
8 1 (0.49%) Apache Solr
8 1 (0.49%) NServiceBus
8 1 (0.49%) WebLogic
Applications
1 5 (2.43%) Maya
2 2 (0.97%) Microsoft Excel
2 2 (0.97%) Microsoft Office
2 2 (0.97%) Microsoft PowerPoint
Cloud Services
1 47 (22.82%) Microsoft Azure
2 11 (5.34%) Office 365
3 7 (3.40%) Amazon AWS
4 3 (1.46%) Cloud Computing
4 3 (1.46%) GitHub
4 3 (1.46%) Serverless
4 3 (1.46%) Slack
4 3 (1.46%) Trello
5 2 (0.97%) Azure Functions
5 2 (0.97%) Google Cloud Platform
6 1 (0.49%) Google Analytics
Communications & Networking
1 10 (4.85%) Internet
2 6 (2.91%) SSL
3 1 (0.49%) HTTP
3 1 (0.49%) Skype
3 1 (0.49%) TCP/IP
Database & Business Intelligence
1 36 (17.48%) SQL Server
2 24 (11.65%) Relational Database
3 19 (9.22%) NoSQL
4 15 (7.28%) MySQL
5 8 (3.88%) SQL Server 2012
5 8 (3.88%) SQL Server 2014
6 6 (2.91%) MongoDB
7 5 (2.43%) PostgreSQL
8 4 (1.94%) Cosmos DB
9 2 (0.97%) Data Warehouse
9 2 (0.97%) RavenDB
9 2 (0.97%) RDBMS
9 2 (0.97%) SQLite
10 1 (0.49%) Big Data
10 1 (0.49%) Hadoop
10 1 (0.49%) Hazelcast
10 1 (0.49%) HBase
10 1 (0.49%) SQL Server 2016
Development Applications
1 51 (24.76%) Git (software)
2 28 (13.59%) Visual Studio
3 25 (12.14%) Selenium
4 23 (11.17%) Cucumber
5 21 (10.19%) Team Foundation Server
6 18 (8.74%) Jenkins
7 15 (7.28%) Subversion
7 15 (7.28%) TeamCity
8 14 (6.80%) Maven
9 13 (6.31%) SpecFlow
10 11 (5.34%) WebDriver
11 9 (4.37%) JIRA
12 8 (3.88%) Mockito
13 7 (3.40%) JMeter
13 7 (3.40%) Octopus Deploy
13 7 (3.40%) SoapUI
13 7 (3.40%) SonarQube
13 7 (3.40%) Visual Studio Team System
14 6 (2.91%) Jasmine
14 6 (2.91%) Protractor
General
1 46 (22.33%) Marketing
2 10 (4.85%) Retail
3 8 (3.88%) Automotive
4 6 (2.91%) Finance
4 6 (2.91%) Games
4 6 (2.91%) Legal
5 1 (0.49%) Advertising
Job Titles
1 137 (66.50%) Developer
2 37 (17.96%) .NET Developer
3 29 (14.08%) Java Developer
4 28 (13.59%) Senior Developer
5 22 (10.68%) C# Developer
5 22 (10.68%) Lead Developer
6 20 (9.71%) Architect
7 19 (9.22%) Front End Developer (Client-Side Developer)
8 18 (8.74%) Software Developer
8 18 (8.74%) Software Engineer
9 14 (6.80%) C# .NET Developer
9 14 (6.80%) Technical Architect
10 13 (6.31%) React Developer
11 11 (5.34%) Senior Software Engineer
12 9 (4.37%) Azure Developer
12 9 (4.37%) Lead Java Developer
13 8 (3.88%) ASP.NET Developer
13 8 (3.88%) ASP.NET MVC Developer
13 8 (3.88%) PHP Developer
13 8 (3.88%) Senior .NET Developer
Libraries, Frameworks & Software Standards
1 90 (43.69%) .NET
2 76 (36.89%) HTML
3 67 (32.52%) CSS
4 43 (20.87%) AngularJS
5 42 (20.39%) Spring
6 40 (19.42%) ASP.NET
7 37 (17.96%) jQuery
8 33 (16.02%) React
9 30 (14.56%) Node.js
10 29 (14.08%) ASP.NET MVC
10 29 (14.08%) HTML5
11 19 (9.22%) .NET Framework
11 19 (9.22%) ASP.NET Web API
11 19 (9.22%) REST
11 19 (9.22%) RESTful
12 18 (8.74%) Spring MVC
12 18 (8.74%) XML
13 17 (8.25%) Hibernate
14 16 (7.77%) CSS3
15 15 (7.28%) J2EE
Miscellaneous
1 19 (9.22%) Greenfield Project
2 17 (8.25%) Analytical Skills
3 12 (5.83%) Fintech
4 11 (5.34%) Mobile App
5 9 (4.37%) NHS
6 6 (2.91%) User Experience
7 4 (1.94%) Self-Motivation
8 2 (0.97%) iPad
8 2 (0.97%) iPhone
Operating Systems
1 14 (6.80%) Apple iOS
1 14 (6.80%) Linux
2 11 (5.34%) Windows
3 4 (1.94%) Mac OS X
4 2 (0.97%) Android
Processes & Methodologies
1 178 (86.41%) Agile Software Development
2 72 (34.95%) Scrum
3 60 (29.13%) BDD
4 59 (28.64%) MVC
5 47 (22.82%) Continuous Integration
6 45 (21.84%) Digital Marketing
6 45 (21.84%) Mentoring
7 44 (21.36%) Software Engineering
8 38 (18.45%) Microservices
9 32 (15.53%) Web Development
10 28 (13.59%) Test Automation
11 25 (12.14%) Front End Development
12 22 (10.68%) Unit Testing
13 21 (10.19%) Content Management
13 21 (10.19%) Waterfall
14 20 (9.71%) DevOps
15 19 (9.22%) Integration Testing
15 19 (9.22%) OO
16 18 (8.74%) SOA
17 17 (8.25%) Mobile Development
Programming Languages
1 117 (56.80%) JavaScript
2 107 (51.94%) C#
3 63 (30.58%) Java
4 55 (26.70%) SQL
5 15 (7.28%) Python
5 15 (7.28%) Ruby
6 12 (5.83%) PHP
7 7 (3.40%) Groovy
7 7 (3.40%) Java 8
8 5 (2.43%) T-SQL
9 3 (1.46%) C++
9 3 (1.46%) Go
9 3 (1.46%) Scala
9 3 (1.46%) VB.NET
10 2 (0.97%) Apple Swift
10 2 (0.97%) ES6
10 2 (0.97%) PowerShell
10 2 (0.97%) TypeScript
Qualifications
1 29 (14.08%) Degree
2 12 (5.83%) Computer Science Degree
3 10 (4.85%) Microsoft Certification
4 4 (1.94%) Master's Degree
5 3 (1.46%) ISEB
5 3 (1.46%) ISTQB
5 3 (1.46%) SC Cleared
5 3 (1.46%) Security Cleared
6 1 (0.49%) MCSD
Quality Assurance & Compliance
1 15 (7.28%) QA
2 2 (0.97%) GDPR
3 1 (0.49%) Data Quality
System Software
1 18 (8.74%) Docker
2 1 (0.49%) Active Directory
Systems Management
1 9 (4.37%) Kubernetes
2 6 (2.91%) Opscode Chef
3 5 (2.43%) Puppet
4 1 (0.49%) Ansible
Vendors
1 47 (22.82%) Microsoft
2 11 (5.34%) Xamarin
3 10 (4.85%) Oracle
4 4 (1.94%) Google
4 4 (1.94%) Remedy
5 3 (1.46%) Adobe
5 3 (1.46%) Okta
6 2 (0.97%) Apple
6 2 (0.97%) ServiceNow
6 2 (0.97%) Sitecore
6 2 (0.97%) Zend