Period
to 22 January 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 22 January 2018 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Hillingdon > Uxbridge
6 months to
22 Jan 2018
Same period 2017 Same period 2016
Rank 18 8 8
Rank change year-on-year -10 0 +37
Permanent jobs citing TDD 28 41 48
As % of all permanent IT jobs advertised in Uxbridge 9.00% 16.87% 17.45%
As % of the Processes & Methodologies category 9.86% 18.81% 18.90%
Number of salaries quoted 9 28 44
Uxbridge median annual salary £67,500 £50,000 £47,500
Median salary % change year-on-year +35.00% +5.26% +11.76%
10th Percentile £52,250 £43,200 £37,500
90th Percentile £75,000 £64,125 £58,750
Hillingdon median annual salary £65,000 £50,000 £47,500
% change year-on-year +30.00% +5.26% +20.25%

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 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 284 218 254
As % of all permanent IT jobs advertised in Uxbridge 91.32% 89.71% 92.36%
Number of salaries quoted 234 171 226
Uxbridge median annual salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26% +11.76%
10th Percentile £26,625 £34,000 £29,750
90th Percentile £75,000 £65,000 £70,000
Hillingdon median annual salary £52,500 £47,500 £49,000
% change year-on-year +10.53% -3.06% -2.00%

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 22 January 2018.

Salary histogram for TDD in Uxbridge

For the 6 months to 22 January 2018, IT jobs citing TDD also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Uxbridge region with a requirement for TDD.

1 21 (75.00%) Java
2 20 (71.43%) Software Engineering
3 18 (64.29%) BDD
4 13 (46.43%) Finance
5 10 (35.71%) Android
5 10 (35.71%) Apple iOS
5 10 (35.71%) RxJava
5 10 (35.71%) Retrofit
6 8 (28.57%) SOLID
6 8 (28.57%) Amazon AWS
6 8 (28.57%) Agile Software Development
6 8 (28.57%) Scrum
6 8 (28.57%) JavaScript
7 7 (25.00%) PHP
7 7 (25.00%) Web Services
7 7 (25.00%) Ruby
7 7 (25.00%) Google
7 7 (25.00%) RESTful
7 7 (25.00%) Kanban
7 7 (25.00%) iOS SDK
7 7 (25.00%) Sass
7 7 (25.00%) Android SDK
7 7 (25.00%) Android Development
7 7 (25.00%) Dagger
8 6 (21.43%) Node.js
8 6 (21.43%) ES6
8 6 (21.43%) Microservices
8 6 (21.43%) Jenkins
8 6 (21.43%) Docker
8 6 (21.43%) Git (software)

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:

Application Platforms
1 2 (7.14%) Apache Spark
2 1 (3.57%) Apache
Cloud Services
1 8 (28.57%) Amazon AWS
2 4 (14.29%) GitHub
3 3 (10.71%) IaaS
3 3 (10.71%) Microsoft Azure
3 3 (10.71%) OpenShift
3 3 (10.71%) PaaS
4 2 (7.14%) Amazon Kinesis
Database & Business Intelligence
1 5 (17.86%) NoSQL
2 3 (10.71%) Redis
3 2 (7.14%) Amazon Athena
3 2 (7.14%) Data Lake
3 2 (7.14%) Data Warehouse
3 2 (7.14%) Hadoop
3 2 (7.14%) Hazelcast
3 2 (7.14%) SQL Server
3 2 (7.14%) SQL Server 2012
4 1 (3.57%) Amazon Redshift
4 1 (3.57%) PostgreSQL
4 1 (3.57%) Relational Database
4 1 (3.57%) SSDT
Development Applications
1 6 (21.43%) Git (software)
1 6 (21.43%) Jenkins
2 5 (17.86%) Atlassian Bamboo
2 5 (17.86%) Mocha
3 4 (14.29%) Cucumber
4 3 (10.71%) JUnit
4 3 (10.71%) WebDriver
4 3 (10.71%) webpack
5 2 (7.14%) Protractor
6 1 (3.57%) Karma Test Runner
6 1 (3.57%) Maven
6 1 (3.57%) Selenium
6 1 (3.57%) Sinon.JS
General
1 13 (46.43%) Finance
2 5 (17.86%) Telecoms
3 4 (14.29%) Automotive
3 4 (14.29%) Retail
Job Titles
1 15 (53.57%) Software Engineer
2 11 (39.29%) Senior Software Engineer
3 7 (25.00%) Android Engineer
3 7 (25.00%) Android Software Engineer
4 4 (14.29%) Developer
4 4 (14.29%) Digital Product Owner
4 4 (14.29%) Product Owner
5 3 (10.71%) Full Stack Developer
5 3 (10.71%) iOS Software Engineer
6 2 (7.14%) Java Engineer
6 2 (7.14%) Senior Java Engineer
7 1 (3.57%) AWS Developer
7 1 (3.57%) Java Developer
7 1 (3.57%) QA Engineer
7 1 (3.57%) Quality Engineer
7 1 (3.57%) Telecoms Developer
7 1 (3.57%) Telecoms Java Developer
Libraries, Frameworks & Software Standards
1 10 (35.71%) Retrofit
1 10 (35.71%) RxJava
2 7 (25.00%) Android SDK
2 7 (25.00%) Dagger
2 7 (25.00%) iOS SDK
2 7 (25.00%) RESTful
2 7 (25.00%) Sass
2 7 (25.00%) Web Services
3 6 (21.43%) Node.js
3 6 (21.43%) Spring
4 5 (17.86%) AngularJS
4 5 (17.86%) Chai
4 5 (17.86%) CSS
5 4 (14.29%) REST
6 3 (10.71%) .NET
6 3 (10.71%) CSS3
6 3 (10.71%) OAuth
6 3 (10.71%) WebdriverIO
6 3 (10.71%) Zuul
7 2 (7.14%) JSF
Miscellaneous
1 3 (10.71%) Clustering
Operating Systems
1 10 (35.71%) Android
1 10 (35.71%) Apple iOS
2 4 (14.29%) Linux
Processes & Methodologies
1 20 (71.43%) Software Engineering
2 18 (64.29%) BDD
3 8 (28.57%) Agile Software Development
3 8 (28.57%) Scrum
3 8 (28.57%) SOLID
4 7 (25.00%) Android Development
4 7 (25.00%) Kanban
5 6 (21.43%) Microservices
5 6 (21.43%) Pair Programming
6 5 (17.86%) Continuous Integration
7 4 (14.29%) ATDD
7 4 (14.29%) Continuous Deployment
7 4 (14.29%) Critical Success Factor
7 4 (14.29%) E-Commerce
7 4 (14.29%) Extreme Programming
7 4 (14.29%) Product Management
7 4 (14.29%) Self-Awareness
7 4 (14.29%) The Twelve-Factor App
7 4 (14.29%) Workflow
8 3 (10.71%) Innovative Thinking
Programming Languages
1 21 (75.00%) Java
2 8 (28.57%) JavaScript
3 7 (25.00%) PHP
3 7 (25.00%) Ruby
4 6 (21.43%) ES6
5 3 (10.71%) Apple Swift
6 2 (7.14%) Python
7 1 (3.57%) AspectJ
7 1 (3.57%) SQL
7 1 (3.57%) T-SQL
7 1 (3.57%) TypeScript
Quality Assurance & Compliance
1 1 (3.57%) QA
System Software
1 6 (21.43%) Docker
Systems Management
1 3 (10.71%) Kubernetes
Vendors
1 7 (25.00%) Google
2 1 (3.57%) Microsoft
2 1 (3.57%) Oracle