Period
to 18 January 2019

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 18 January 2019 with a comparison to the same period in the previous 2 years.

Test-Driven Development (TDD)
Hillingdon > Uxbridge
6 months to
18 Jan 2019
Same period 2018 Same period 2017
Rank 34 21 10
Rank change year-on-year -13 -11 -1
Permanent jobs citing TDD 11 29 41
As % of all permanent IT jobs advertised in Uxbridge 4.20% 9.29% 16.08%
As % of the Processes & Methodologies category 4.40% 9.70% 17.67%
Number of salaries quoted 11 9 28
Uxbridge median annual salary £70,000 £67,500 £50,000
Median salary % change year-on-year +3.70% +35.00% +5.26%
10th Percentile £56,250 £52,250 £43,200
90th Percentile £95,000 £75,000 £64,125
Hillingdon median annual salary £70,000 £65,000 £50,000
% change year-on-year +7.69% +30.00% +5.26%

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 250 299 232
As % of all permanent IT jobs advertised in Uxbridge 95.42% 95.83% 90.98%
Number of salaries quoted 199 245 184
Uxbridge median annual salary £50,000 £50,000 £50,000
10th Percentile £35,000 £27,700 £34,000
90th Percentile £72,500 £75,000 £65,000
Hillingdon median annual salary £47,500 £52,500 £47,500
% change year-on-year -9.52% +10.53% -3.06%

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 18 January 2019.

Salary histogram for TDD in Uxbridge

For the 6 months to 18 January 2019, 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 5 (45.45%) HTML
1 5 (45.45%) JavaScript
1 5 (45.45%) Scrum
1 5 (45.45%) Agile Software Development
1 5 (45.45%) BDD
2 4 (36.36%) REST
2 4 (36.36%) AngularJS
2 4 (36.36%) Maven
2 4 (36.36%) Git (software)
2 4 (36.36%) Microsoft Azure
2 4 (36.36%) Amazon AWS
2 4 (36.36%) Spring
2 4 (36.36%) MVC
2 4 (36.36%) C#
2 4 (36.36%) Java
2 4 (36.36%) Docker
2 4 (36.36%) Greenfield Project
2 4 (36.36%) Spring Boot
3 3 (27.27%) Problem-Solving
3 3 (27.27%) Infrastructure Engineering
3 3 (27.27%) Continuous Deployment
3 3 (27.27%) Ansible
3 3 (27.27%) Go
3 3 (27.27%) Opscode Chef
3 3 (27.27%) Mentoring
3 3 (27.27%) Microservices
3 3 (27.27%) Terraform
3 3 (27.27%) Sonatype Nexus
3 3 (27.27%) SQL
3 3 (27.27%) .NET

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 4 (36.36%) Amazon AWS
1 4 (36.36%) Microsoft Azure
2 1 (9.09%) Amazon SQS
2 1 (9.09%) OpenShift
Communications & Networking
1 3 (27.27%) Wi-Fi
2 2 (18.18%) Network Security
Database & Business Intelligence
1 1 (9.09%) Amazon RDS
1 1 (9.09%) Hazelcast
1 1 (9.09%) PostgreSQL
1 1 (9.09%) Redis
1 1 (9.09%) Relational Database
Development Applications
1 4 (36.36%) Git (software)
1 4 (36.36%) Maven
2 3 (27.27%) Gradle
2 3 (27.27%) Sonatype Nexus
3 1 (9.09%) Cucumber
3 1 (9.09%) Jenkins
3 1 (9.09%) JUnit
3 1 (9.09%) Karma Test Runner
3 1 (9.09%) Mocha
3 1 (9.09%) Protractor
3 1 (9.09%) Sinon.JS
General
1 1 (9.09%) Automotive
Job Titles
1 4 (36.36%) Architect
1 4 (36.36%) Developer
1 4 (36.36%) Java Developer
1 4 (36.36%) Senior Developer
1 4 (36.36%) Senior Java Developer
1 4 (36.36%) Solutions Architect
2 2 (18.18%) DevOps Engineer
2 2 (18.18%) Infrastructure Engineer
Libraries, Frameworks & Software Standards
1 5 (45.45%) HTML
2 4 (36.36%) AngularJS
2 4 (36.36%) REST
2 4 (36.36%) Spring
2 4 (36.36%) Spring Boot
3 3 (27.27%) .NET
3 3 (27.27%) ASP.NET
3 3 (27.27%) Hibernate
3 3 (27.27%) J2EE
3 3 (27.27%) Java EE
3 3 (27.27%) JMS
3 3 (27.27%) JSF
3 3 (27.27%) SOAP
4 1 (9.09%) ActiveMQ
4 1 (9.09%) CSS
4 1 (9.09%) CSS3
4 1 (9.09%) HTML5
4 1 (9.09%) JDBC
4 1 (9.09%) JSON
4 1 (9.09%) Web Services
Miscellaneous
1 4 (36.36%) Greenfield Project
2 1 (9.09%) Self-Motivation
2 1 (9.09%) User Experience
Operating Systems
1 3 (27.27%) Linux
1 3 (27.27%) Windows
Processes & Methodologies
1 5 (45.45%) Agile Software Development
1 5 (45.45%) BDD
1 5 (45.45%) Scrum
2 4 (36.36%) MVC
3 3 (27.27%) Continuous Deployment
3 3 (27.27%) Data Architecture
3 3 (27.27%) Infrastructure Engineering
3 3 (27.27%) Mentoring
3 3 (27.27%) Microservices
3 3 (27.27%) Problem-Solving
3 3 (27.27%) Software Engineering
4 2 (18.18%) DevOps
5 1 (9.09%) AOP
5 1 (9.09%) Business Intelligence
5 1 (9.09%) Continuous Integration
5 1 (9.09%) Cybersecurity
5 1 (9.09%) Extreme Programming
5 1 (9.09%) Kanban
5 1 (9.09%) Security Architecture
Programming Languages
1 5 (45.45%) JavaScript
2 4 (36.36%) C#
2 4 (36.36%) Java
3 3 (27.27%) Bash Shell
3 3 (27.27%) Go
3 3 (27.27%) Python
3 3 (27.27%) SQL
4 1 (9.09%) AspectJ
4 1 (9.09%) Java 8
4 1 (9.09%) PHP
4 1 (9.09%) TypeScript
System Software
1 4 (36.36%) Docker
2 3 (27.27%) vSphere
Systems Management
1 3 (27.27%) Ansible
1 3 (27.27%) Opscode Chef
1 3 (27.27%) Puppet
1 3 (27.27%) Terraform
2 1 (9.09%) Kubernetes
Vendors
1 1 (9.09%) Oracle
1 1 (9.09%) Zend