Period
to 22 November 2017

The following table provides summary statistics for permanent job vacancies advertised in Croydon with a requirement for Unit Testing skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Unit Testing over the 6 months to 22 November 2017 with a comparison to the same period in the previous 2 years.

Unit Testing
South London > Croydon
6 months to
22 Nov 2017
Same period 2016 Same period 2015
Rank 47 54 62
Rank change year-on-year +7 +8 -9
Permanent jobs citing Unit Testing 8 8 1
As % of all permanent IT jobs advertised in Croydon 2.26% 1.83% 0.26%
As % of the Processes & Methodologies category 2.62% 2.25% 0.30%
Number of salaries quoted 8 8 1
Croydon median annual salary £60,000 £55,000 £30,000
Median salary % change year-on-year +9.09% +83.33% -22.08%
South London median annual salary £48,000 £67,500 £55,000
% change year-on-year -28.89% +22.73% +15.79%

Unit Testing 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 Croydon with a requirement for process or methodology skills.

All Process and Methodology Skills
Croydon
Permanent vacancies with a requirement for process or methodology skills 305 356 333
As % of all permanent IT jobs advertised in Croydon 86.16% 81.28% 85.17%
Number of salaries quoted 238 320 306
Croydon median annual salary £52,500 £50,000 £45,000
Median salary % change year-on-year +5.00% +11.11% +5.88%
10th Percentile £26,175 £26,200 £24,000
90th Percentile £77,250 £69,000 £60,000
South London median annual salary £47,500 £47,750 £45,000
% change year-on-year -0.52% +6.11% -

Unit Testing
Job Vacancy Trend in Croydon

Job postings citing Unit Testing as a percentage of all IT jobs advertised in Croydon.

Job vacancy trend for Unit Testing in Croydon

Unit Testing
Salary Trend in Croydon

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Unit Testing in Croydon.

Salary trend for Unit Testing in Croydon

Unit Testing
Salary Histogram in Croydon

The salary distribution of IT jobs citing Unit Testing in Croydon over the 6 months to 22 November 2017.

Salary histogram for Unit Testing in Croydon

For the 6 months to 22 November 2017, IT jobs citing Unit Testing 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 Croydon region with a requirement for Unit Testing.

1 8 (100.00%) PostgreSQL
1 8 (100.00%) Agile Software Development
1 8 (100.00%) Continuous Integration
2 6 (75.00%) Responsive Web Design
2 6 (75.00%) CSS3
2 6 (75.00%) React
2 6 (75.00%) Front End Development
2 6 (75.00%) Sass
2 6 (75.00%) LESS
2 6 (75.00%) AngularJS
2 6 (75.00%) Web Development
2 6 (75.00%) jQuery
2 6 (75.00%) CMS
2 6 (75.00%) LAMP
2 6 (75.00%) HTML
2 6 (75.00%) JavaScript
2 6 (75.00%) MySQL
2 6 (75.00%) CSS
2 6 (75.00%) Unix
2 6 (75.00%) Linux
2 6 (75.00%) UML
3 2 (25.00%) OO
3 2 (25.00%) Python
3 2 (25.00%) OOD
3 2 (25.00%) Kerberos
3 2 (25.00%) Business Intelligence
3 2 (25.00%) Oracle
3 2 (25.00%) Java
3 2 (25.00%) Apache Solr
3 2 (25.00%) Scala

Unit Testing
Co-occurring IT Skills in Croydon 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 6 (75.00%) CMS
2 2 (25.00%) Apache Solr
2 2 (25.00%) Apache Spark
2 2 (25.00%) Confluence
Cloud Services
1 2 (25.00%) Amazon AWS
Communications & Networking
1 2 (25.00%) Kerberos
Database & Business Intelligence
1 8 (100.00%) PostgreSQL
2 6 (75.00%) MySQL
3 2 (25.00%) Amazon DynamoDB
3 2 (25.00%) Big Data
3 2 (25.00%) DataStax
3 2 (25.00%) Hadoop
3 2 (25.00%) HBase
Development Applications
1 2 (25.00%) Cucumber
1 2 (25.00%) JIRA
Job Titles
1 8 (100.00%) Developer
2 6 (75.00%) Front End Developer (Client-Side Developer)
2 6 (75.00%) Front End Web Developer (Client-Side Developer)
2 6 (75.00%) HTML CSS Developer
2 6 (75.00%) HTML Developer
2 6 (75.00%) JavaScript Developer
2 6 (75.00%) Web Developer
3 2 (25.00%) Big Data Developer
Libraries, Frameworks & Software Standards
1 6 (75.00%) AngularJS
1 6 (75.00%) CSS
1 6 (75.00%) CSS3
1 6 (75.00%) HTML
1 6 (75.00%) jQuery
1 6 (75.00%) LAMP
1 6 (75.00%) LESS
1 6 (75.00%) React
1 6 (75.00%) Sass
2 2 (25.00%) Apache Camel
2 2 (25.00%) Drools
2 2 (25.00%) Kafka
2 2 (25.00%) REST
2 2 (25.00%) Samza
2 2 (25.00%) Spring
2 2 (25.00%) Spring Boot
2 2 (25.00%) TinkerPop
Miscellaneous
1 2 (25.00%) Analytical Skills
Operating Systems
1 6 (75.00%) Linux
1 6 (75.00%) Unix
Processes & Methodologies
1 8 (100.00%) Agile Software Development
1 8 (100.00%) Continuous Integration
2 6 (75.00%) Front End Development
2 6 (75.00%) Responsive Web Design
2 6 (75.00%) UML
2 6 (75.00%) Web Development
3 2 (25.00%) Analytics
3 2 (25.00%) BDD
3 2 (25.00%) Business Analytics
3 2 (25.00%) Business Intelligence
3 2 (25.00%) Data Architecture
3 2 (25.00%) Data Ingestion
3 2 (25.00%) DevOps
3 2 (25.00%) Microservices
3 2 (25.00%) OO
3 2 (25.00%) OOD
3 2 (25.00%) Scrum
3 2 (25.00%) TDD
3 2 (25.00%) Visualisation
Programming Languages
1 6 (75.00%) JavaScript
2 2 (25.00%) Java
2 2 (25.00%) Python
2 2 (25.00%) Scala
Qualifications
1 2 (25.00%) SC Cleared
1 2 (25.00%) Security Cleared
System Software
1 2 (25.00%) Apache ZooKeeper
1 2 (25.00%) Docker
1 2 (25.00%) HDFS
Systems Management
1 2 (25.00%) Ansible
1 2 (25.00%) Kubernetes
1 2 (25.00%) Terraform
Vendors
1 2 (25.00%) Hortonworks
1 2 (25.00%) Oracle