Period
to 15 August 2018

The following table provides summary statistics for contract job vacancies advertised in Croydon with a requirement for JUnit skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JUnit over the 6 months to 15 August 2018 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.

JUnit
South London > Croydon
6 months to
15 Aug 2018
Same period 2017 Same period 2016
Rank 33 38 23
Rank change year-on-year +5 -15 +16
Contract jobs citing JUnit 92 32 48
As % of all contract IT jobs advertised in Croydon 7.74% 7.05% 8.73%
As % of the Development Applications category 19.83% 17.02% 28.92%
Number of daily rates quoted 68 9 21
Croydon median daily rate £550 £450 £380
Median daily rate % change year-on-year +22.22% +18.42% -
10th Percentile £404 £381 £363
90th Percentile £588 £520 £495
South London median daily rate £550 £450 £390
% change year-on-year +22.22% +15.38% -8.24%
Number of hourly rates quoted 0 0 0
Croydon median hourly rate - - -
South London median hourly rate - - -

JUnit is in the Development Applications 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 development application skills.

All Development Application Skills
Croydon
Contract vacancies with a requirement for development application skills 464 188 166
As % of all contract IT jobs advertised in Croydon 39.02% 41.41% 30.18%
Number of daily rates quoted 313 95 100
Croydon median daily rate £500 £500 £425
Median daily rate % change year-on-year - +17.65% +13.33%
10th Percentile £400 £410 £313
90th Percentile £588 £595 £532
South London median daily rate £500 £500 £425
% change year-on-year - +17.65% +13.33%
Number of hourly rates quoted 0 0 1
Croydon median hourly rate - - £43.00
South London median hourly rate - £51.25 £43.00
% change year-on-year - +19.19% +54.79%

JUnit
Job Vacancy Trend in Croydon

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

Job vacancy trend for JUnit in Croydon

JUnit
Contractor Daily Rate Trend in Croydon

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

Contractor daily rate trend for JUnit in Croydon

JUnit
Contractor Daily Rate Histogram in Croydon

The daily rate distribution of IT jobs citing JUnit in Croydon over the 6 months to 15 August 2018.

Contractor daily rate histogram for JUnit in Croydon

For the 6 months to 15 August 2018, IT contractor jobs citing JUnit also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Croydon region with a requirement for JUnit.

1 88 (95.65%) Java
2 83 (90.22%) Git (software)
3 81 (88.04%) RESTful
3 81 (88.04%) Mockito
4 80 (86.96%) Agile Software Development
4 80 (86.96%) Maven
5 77 (83.70%) SonarQube
6 68 (73.91%) Microservices
6 68 (73.91%) REST
7 65 (70.65%) OO
8 62 (67.39%) JIRA
9 60 (65.22%) Test Automation
10 59 (64.13%) Security Cleared
10 59 (64.13%) Confluence
11 58 (63.04%) Java 8
12 57 (61.96%) SC Cleared
12 57 (61.96%) JAX-RS
13 54 (58.70%) CQRS
13 54 (58.70%) JPQL
13 54 (58.70%) Relational Database
13 54 (58.70%) Liquibase
13 54 (58.70%) Drools
13 54 (58.70%) Domain-Driven Design
13 54 (58.70%) Dependency Injection
13 54 (58.70%) Checkstyle
13 54 (58.70%) Hibernate
13 54 (58.70%) OOA/OOD
13 54 (58.70%) Unix
13 54 (58.70%) JMS
13 54 (58.70%) RDBMS

JUnit
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 59 (64.13%) Confluence
2 43 (46.74%) WildFly
3 10 (10.87%) Tomcat
4 2 (2.17%) Apache
4 2 (2.17%) Apache Spark
5 1 (1.09%) Apache ServiceMix
5 1 (1.09%) Elasticsearch
5 1 (1.09%) JBoss
Cloud Services
1 25 (27.17%) Amazon AWS
2 14 (15.22%) Amazon EC2
3 1 (1.09%) AWS Lambda
3 1 (1.09%) Sauce Labs
Database & Business Intelligence
1 54 (58.70%) RDBMS
1 54 (58.70%) Relational Database
2 14 (15.22%) PostgreSQL
3 2 (2.17%) Big Data
3 2 (2.17%) Data Warehouse
3 2 (2.17%) DataStage
3 2 (2.17%) Hadoop
3 2 (2.17%) HBase
Development Applications
1 83 (90.22%) Git (software)
2 81 (88.04%) Mockito
3 80 (86.96%) Maven
4 77 (83.70%) SonarQube
5 62 (67.39%) JIRA
6 54 (58.70%) Checkstyle
6 54 (58.70%) Liquibase
7 43 (46.74%) Vagrant
8 28 (30.43%) Jenkins
9 22 (23.91%) DbUnit
9 22 (23.91%) jMock
10 6 (6.52%) Selenium
11 4 (4.35%) GitLab
11 4 (4.35%) WebDriver
12 3 (3.26%) Cucumber
13 2 (2.17%) Babel
13 2 (2.17%) TestNG
13 2 (2.17%) webpack
14 1 (1.09%) Gatling
14 1 (1.09%) SoapUI
General
1 2 (2.17%) Finance
1 2 (2.17%) Retail
Job Titles
1 73 (79.35%) Developer
2 70 (76.09%) Java Developer
3 42 (45.65%) SC Cleared Java Developer
4 6 (6.52%) BPM Developer
5 5 (5.43%) Tester
6 4 (4.35%) Automation Tester
6 4 (4.35%) J2EE Developer
6 4 (4.35%) Java/J2EE Developer
6 4 (4.35%) Senior Developer
6 4 (4.35%) Senior Java Developer
7 2 (2.17%) Agile Developer
7 2 (2.17%) Agile Java Developer
7 2 (2.17%) Front End Developer (Client-Side Developer)
7 2 (2.17%) JavaScript Developer
7 2 (2.17%) React Developer
7 2 (2.17%) Test Engineer
7 2 (2.17%) XML Developer
8 1 (1.09%) Big Data Analyst
8 1 (1.09%) Data Analyst
8 1 (1.09%) SC Cleared Test Analyst
Libraries, Frameworks & Software Standards
1 81 (88.04%) RESTful
2 68 (73.91%) REST
3 57 (61.96%) JAX-RS
4 54 (58.70%) Drools
4 54 (58.70%) Hibernate
4 54 (58.70%) JMS
4 54 (58.70%) Lambda Expressions
4 54 (58.70%) WireMock
5 43 (46.74%) Java EE
6 25 (27.17%) Spring
7 24 (26.09%) Web Services
8 22 (23.91%) J2EE
8 22 (23.91%) PowerMock
8 22 (23.91%) SOAP
9 17 (18.48%) Apache Camel
10 14 (15.22%) XML
11 11 (11.96%) Spring Batch
11 11 (11.96%) Velocity
12 5 (5.43%) Gherkin
13 3 (3.26%) Spring Boot
Miscellaneous
1 54 (58.70%) Linux Command Line
2 11 (11.96%) Greenfield Project
3 2 (2.17%) NHS
Operating Systems
1 54 (58.70%) Unix
2 43 (46.74%) VMS
3 6 (6.52%) Linux
4 4 (4.35%) Ubuntu
5 1 (1.09%) Windows
Processes & Methodologies
1 80 (86.96%) Agile Software Development
2 68 (73.91%) Microservices
3 65 (70.65%) OO
4 60 (65.22%) Test Automation
5 54 (58.70%) CQRS
5 54 (58.70%) Dependency Injection
5 54 (58.70%) Domain-Driven Design
5 54 (58.70%) OOA/OOD
6 33 (35.87%) Scrum
7 26 (28.26%) BDD
7 26 (28.26%) TDD
8 23 (25.00%) Continuous Integration
8 23 (25.00%) E-Commerce
9 21 (22.83%) Kanban
10 12 (13.04%) Virtual Infrastructure
11 11 (11.96%) Visualisation
12 6 (6.52%) DevOps
13 4 (4.35%) API Development
13 4 (4.35%) API Testing
14 3 (3.26%) Open Source
Programming Languages
1 88 (95.65%) Java
2 58 (63.04%) Java 8
3 54 (58.70%) JPQL
4 4 (4.35%) SQL
5 2 (2.17%) ES6
5 2 (2.17%) JavaScript
5 2 (2.17%) Scala
5 2 (2.17%) Shell Script
Qualifications
1 59 (64.13%) Security Cleared
2 57 (61.96%) SC Cleared
3 5 (5.43%) BPSS Clearance
4 1 (1.09%) CTC Cleared
Quality Assurance & Compliance
1 2 (2.17%) Disclosure Scotland
1 2 (2.17%) PMO
2 1 (1.09%) GDPR
System Software
1 14 (15.22%) vSphere
2 13 (14.13%) VMware Infrastructure
3 2 (2.17%) HDFS
4 1 (1.09%) Docker
Systems Management
1 2 (2.17%) Oozie
2 1 (1.09%) Ansible
2 1 (1.09%) Grafana
2 1 (1.09%) Kibana
2 1 (1.09%) Kubernetes
2 1 (1.09%) Puppet
Vendors
1 14 (15.22%) VMware
2 1 (1.09%) Atlassian