Period
to 20 October 2018

The following table provides summary statistics for permanent job vacancies advertised in Uxbridge 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 20 October 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Hillingdon > Uxbridge
6 months to
20 Oct 2018
Same period 2017 Same period 2016
Rank 33 24 22
Rank change year-on-year -9 -2 -14
Permanent jobs citing TDD 15 31 25
As % of all permanent IT jobs advertised in Uxbridge 5.05% 8.31% 8.36%
As % of the Processes & Methodologies category 5.24% 8.81% 9.12%
Number of salaries quoted 15 10 19
Uxbridge median annual salary £70,000 £68,750 £50,000
Median salary % change year-on-year +1.82% +37.50% -4.76%
10th Percentile £48,750 £54,750 £42,500
90th Percentile £95,000 £75,000 £65,000
Hillingdon median annual salary £70,000 £60,000 £50,000
% change year-on-year +16.67% +20.00% -4.76%

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 Uxbridge with a requirement for process or methodology skills.

All Process and Methodology Skills
Uxbridge
Permanent vacancies with a requirement for process or methodology skills 286 352 274
As % of all permanent IT jobs advertised in Uxbridge 96.30% 94.37% 91.64%
Number of salaries quoted 247 290 231
Uxbridge median annual salary £50,000 £47,500 £47,500
Median salary % change year-on-year +5.26% - +5.56%
10th Percentile £32,500 £27,950 £35,250
90th Percentile £68,750 £73,750 £65,000
Hillingdon median annual salary £50,000 £50,000 £45,000
% change year-on-year - +11.11% -5.26%

TDD
Job Vacancy Trend in Uxbridge

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

Job vacancy trend for TDD in Uxbridge

TDD
Salary Trend in Uxbridge

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

Salary trend for TDD in Uxbridge

TDD
Salary Histogram in Uxbridge

The salary distribution of IT jobs citing TDD in Uxbridge over the 6 months to 20 October 2018.

Salary histogram for TDD in Uxbridge

For the 6 months to 20 October 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 Uxbridge region with a requirement for TDD.

1 10 (66.67%) BDD
2 8 (53.33%) JavaScript
3 7 (46.67%) Scrum
3 7 (46.67%) Agile Software Development
4 6 (40.00%) Microsoft Azure
4 6 (40.00%) C#
4 6 (40.00%) HTML
4 6 (40.00%) REST
5 5 (33.33%) AngularJS
5 5 (33.33%) Spring Boot
5 5 (33.33%) Web Services
5 5 (33.33%) MVC
5 5 (33.33%) Java
5 5 (33.33%) .NET
5 5 (33.33%) Amazon AWS
5 5 (33.33%) Spring
6 4 (26.67%) Git (software)
6 4 (26.67%) J2EE
6 4 (26.67%) CSS
6 4 (26.67%) SOAP
6 4 (26.67%) Microservices
7 3 (20.00%) Ansible
7 3 (20.00%) Docker
7 3 (20.00%) Puppet
7 3 (20.00%) Go
7 3 (20.00%) Opscode Chef
7 3 (20.00%) Terraform
7 3 (20.00%) Mentoring
7 3 (20.00%) Continuous Deployment
7 3 (20.00%) Greenfield Project

TDD
Co-occurring IT Skills in Uxbridge 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:

Cloud Services
1 6 (40.00%) Microsoft Azure
2 5 (33.33%) Amazon AWS
3 1 (6.67%) Amazon SQS
3 1 (6.67%) OpenShift
Communications & Networking
1 3 (20.00%) Wi-Fi
2 2 (13.33%) Network Security
Database & Business Intelligence
1 2 (13.33%) SQL Server
1 2 (13.33%) SQL Server 2012
2 1 (6.67%) Amazon RDS
2 1 (6.67%) Hazelcast
2 1 (6.67%) MongoDB
2 1 (6.67%) MySQL
2 1 (6.67%) PostgreSQL
2 1 (6.67%) Redis
2 1 (6.67%) Relational Database
Development Applications
1 4 (26.67%) Git (software)
2 3 (20.00%) Maven
3 2 (13.33%) Gradle
3 2 (13.33%) Sonatype Nexus
4 1 (6.67%) Cucumber
4 1 (6.67%) Jenkins
4 1 (6.67%) JUnit
4 1 (6.67%) Karma Test Runner
4 1 (6.67%) Mocha
4 1 (6.67%) Protractor
4 1 (6.67%) Sinon.JS
General
1 2 (13.33%) Telecoms
2 1 (6.67%) Automotive
2 1 (6.67%) Marketing
Job Titles
1 6 (40.00%) Developer
2 5 (33.33%) Java Developer
3 4 (26.67%) Architect
3 4 (26.67%) Solutions Architect
4 3 (20.00%) Senior Developer
4 3 (20.00%) Senior Java Developer
5 2 (13.33%) .NET Development Manager
5 2 (13.33%) AWS Developer
5 2 (13.33%) Development Manager
5 2 (13.33%) DevOps Engineer
5 2 (13.33%) Infrastructure Engineer
5 2 (13.33%) Telecoms Developer
5 2 (13.33%) Telecoms Java Developer
6 1 (6.67%) Backend Developer
6 1 (6.67%) PHP Developer
Libraries, Frameworks & Software Standards
1 6 (40.00%) HTML
1 6 (40.00%) REST
2 5 (33.33%) .NET
2 5 (33.33%) AngularJS
2 5 (33.33%) Spring
2 5 (33.33%) Spring Boot
2 5 (33.33%) Web Services
3 4 (26.67%) CSS
3 4 (26.67%) J2EE
3 4 (26.67%) SOAP
4 3 (20.00%) ASP.NET
5 2 (13.33%) Hibernate
5 2 (13.33%) Java EE
5 2 (13.33%) JMS
5 2 (13.33%) JSF
6 1 (6.67%) ActiveMQ
6 1 (6.67%) CodeIgniter
6 1 (6.67%) HTML5
6 1 (6.67%) JSON
6 1 (6.67%) Symfony
Miscellaneous
1 3 (20.00%) Greenfield Project
2 1 (6.67%) Self-Motivation
2 1 (6.67%) User Experience
Operating Systems
1 3 (20.00%) Linux
1 3 (20.00%) Windows
Processes & Methodologies
1 10 (66.67%) BDD
2 7 (46.67%) Agile Software Development
2 7 (46.67%) Scrum
3 5 (33.33%) MVC
4 4 (26.67%) Microservices
5 3 (20.00%) Continuous Deployment
5 3 (20.00%) Data Architecture
5 3 (20.00%) Infrastructure Engineering
5 3 (20.00%) Mentoring
5 3 (20.00%) Problem-Solving
5 3 (20.00%) Software Engineering
6 2 (13.33%) Decision-Making
6 2 (13.33%) DevOps
6 2 (13.33%) Pair Programming
7 1 (6.67%) AOP
7 1 (6.67%) API Development
7 1 (6.67%) API Integration
7 1 (6.67%) Continuous Integration
7 1 (6.67%) Cybersecurity
7 1 (6.67%) OO PHP
Programming Languages
1 8 (53.33%) JavaScript
2 6 (40.00%) C#
3 5 (33.33%) Java
4 3 (20.00%) Bash Shell
4 3 (20.00%) Go
4 3 (20.00%) Java 8
4 3 (20.00%) Python
5 2 (13.33%) PHP
5 2 (13.33%) SQL
5 2 (13.33%) VB.NET
6 1 (6.67%) AspectJ
6 1 (6.67%) TypeScript
System Software
1 3 (20.00%) Docker
1 3 (20.00%) vSphere
Systems Management
1 3 (20.00%) Ansible
1 3 (20.00%) Opscode Chef
1 3 (20.00%) Puppet
1 3 (20.00%) Terraform
2 1 (6.67%) Kubernetes
Vendors
1 2 (13.33%) Zend
2 1 (6.67%) Oracle