Period
to 23 November 2017

The following table provides summary statistics for contract job vacancies advertised in Croydon with a requirement for Unit Testing skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Unit Testing over the 6 months to 23 November 2017 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

Unit Testing
South London > Croydon
6 months to
23 Nov 2017
Same period 2016 Same period 2015
Rank 76 73 32
Rank change year-on-year -3 -41 -
Contract jobs citing Unit Testing 18 2 16
As % of all contract IT jobs advertised in Croydon 2.05% 0.38% 4.75%
As % of the Processes & Methodologies category 2.25% 0.41% 5.41%
Number of daily rates quoted 5 0 4
Croydon median daily rate £475 - £450
10th Percentile £423 - £388
90th Percentile £548 - £513
South London median daily rate £400 £333 £475
% change year-on-year +20.30% -30.00% -
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate - - -

Unit Testing is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Croydon with a requirement for process or methodology skills.

All Process and Methodology Skills
Croydon
Contract vacancies with a requirement for process or methodology skills 801 486 296
As % of all contract IT jobs advertised in Croydon 91.44% 91.18% 87.83%
Number of daily rates quoted 525 299 189
Croydon median daily rate £500 £425 £425
Median daily rate % change year-on-year +17.65% - -5.56%
10th Percentile £354 £300 £313
90th Percentile £650 £575 £529
South London median daily rate £500 £425 £375
% change year-on-year +17.65% +13.33% -9.09%
Number of hourly rates quoted 3 6 5
Croydon median hourly rate £13.50 £35.25 £27.78
Median hourly rate % change year-on-year -61.70% +26.89% +85.20%
10th Percentile £12.80 £21.00 £11.25
90th Percentile £25.65 £95.00 £29.11
South London median hourly rate £47.50 £20.50 £19.49
% change year-on-year +131.71% +5.21% +21.78%

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
Contractor Daily Rate Trend in Croydon

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Unit Testing in Croydon.

Contractor daily rate trend for Unit Testing in Croydon

Unit Testing
Contractor Daily Rate Histogram in Croydon

The daily rate distribution of IT jobs citing Unit Testing in Croydon over the 6 months to 23 November 2017.

Contractor daily rate histogram for Unit Testing in Croydon

Unit Testing
Contract Job Locations in Croydon

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Unit Testing within the Croydon region over the 6 months to 23 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Coulsdon - 1 £575 -
Unit Testing
South London

For the 6 months to 23 November 2017, IT contractor 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 contract ads across the Croydon region with a requirement for Unit Testing.

1 17 (94.44%) Java
2 12 (66.67%) SC Cleared
2 12 (66.67%) Security Cleared
3 11 (61.11%) Test Automation
4 6 (33.33%) Microservices
4 6 (33.33%) BDD
5 4 (22.22%) Cucumber
6 3 (16.67%) Mockito
6 3 (16.67%) Spring Boot
6 3 (16.67%) Selenium
6 3 (16.67%) Continuous Integration
6 3 (16.67%) Agile Software Development
6 3 (16.67%) Scrum
6 3 (16.67%) JUnit
7 2 (11.11%) OO
7 2 (11.11%) Python
7 2 (11.11%) OOD
7 2 (11.11%) Kerberos
7 2 (11.11%) Spring
7 2 (11.11%) TDD
7 2 (11.11%) Git (software)
7 2 (11.11%) Drools
7 2 (11.11%) Data Architecture
7 2 (11.11%) REST
7 2 (11.11%) HBase
7 2 (11.11%) Apache ZooKeeper
7 2 (11.11%) Apache Solr
7 2 (11.11%) Scala
7 2 (11.11%) Hadoop
7 2 (11.11%) Amazon AWS

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 2 (11.11%) Apache Solr
1 2 (11.11%) Apache Spark
Cloud Services
1 2 (11.11%) Amazon AWS
Communications & Networking
1 2 (11.11%) Kerberos
Database & Business Intelligence
1 2 (11.11%) Big Data
1 2 (11.11%) DataStax
1 2 (11.11%) Hadoop
1 2 (11.11%) HBase
Development Applications
1 4 (22.22%) Cucumber
2 3 (16.67%) JUnit
2 3 (16.67%) Mockito
2 3 (16.67%) Selenium
3 2 (11.11%) Git (software)
4 1 (5.56%) Protractor
4 1 (5.56%) Subversion
Job Titles
1 15 (83.33%) Developer
2 13 (72.22%) Java Developer
3 11 (61.11%) Developer in Test
4 3 (16.67%) Full Stack Developer
5 1 (5.56%) Front End Developer (Client-Side Developer)
Libraries, Frameworks & Software Standards
1 3 (16.67%) Spring Boot
2 2 (11.11%) Drools
2 2 (11.11%) Kafka
2 2 (11.11%) REST
2 2 (11.11%) Spring
2 2 (11.11%) TinkerPop
3 1 (5.56%) AngularJS
3 1 (5.56%) CSS
3 1 (5.56%) HTML
3 1 (5.56%) HTML5
3 1 (5.56%) J2EE
3 1 (5.56%) JSON
3 1 (5.56%) Spring Cloud
Processes & Methodologies
1 11 (61.11%) Test Automation
2 6 (33.33%) BDD
2 6 (33.33%) Microservices
3 3 (16.67%) Agile Software Development
3 3 (16.67%) Continuous Integration
3 3 (16.67%) Scrum
4 2 (11.11%) Data Architecture
4 2 (11.11%) Data Ingestion
4 2 (11.11%) OO
4 2 (11.11%) OOD
4 2 (11.11%) TDD
5 1 (5.56%) CQRS
5 1 (5.56%) Front End Development
5 1 (5.56%) Open Source
Programming Languages
1 17 (94.44%) Java
2 2 (11.11%) Python
2 2 (11.11%) Scala
3 1 (5.56%) JavaScript
Qualifications
1 12 (66.67%) SC Cleared
1 12 (66.67%) Security Cleared
System Software
1 2 (11.11%) Apache ZooKeeper
1 2 (11.11%) HDFS
Vendors
1 2 (11.11%) Hortonworks