Period
to 13 November 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 13 November 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
13 Nov 2018
Same period 2017 Same period 2016
Rank 33 38 25
Rank change year-on-year +5 -13 +17
Contract jobs citing JUnit 110 64 52
As % of all contract IT jobs advertised in Croydon 9.43% 7.78% 9.54%
As % of the Development Applications category 21.24% 20.58% 24.41%
Number of daily rates quoted 90 44 20
Croydon median daily rate £550 £500 £380
Median daily rate % change year-on-year +10.00% +31.58% -3.49%
10th Percentile £411 £408 £363
90th Percentile £575 £575 £495
South London median daily rate £550 £500 £380
% change year-on-year +10.00% +31.58% -10.59%
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 518 311 213
As % of all contract IT jobs advertised in Croydon 44.39% 37.79% 39.08%
Number of daily rates quoted 386 189 105
Croydon median daily rate £525 £500 £434
Median daily rate % change year-on-year +5.00% +15.34% -3.67%
10th Percentile £416 £363 £313
90th Percentile £575 £589 £575
South London median daily rate £525 £500 £425
% change year-on-year +5.00% +17.65% +6.25%
Number of hourly rates quoted 1 0 0
Croydon median hourly rate £35.00 - -
South London median hourly rate £35.00 £41.42 £49.19
% change year-on-year -15.49% -15.81% +70.27%

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 13 November 2018.

Contractor daily rate histogram for JUnit in Croydon

For the 6 months to 13 November 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.

1 107 (97.27%) Java
2 100 (90.91%) Maven
3 97 (88.18%) Git (software)
4 95 (86.36%) RESTful
4 95 (86.36%) Mockito
5 93 (84.55%) Agile Software Development
6 91 (82.73%) SonarQube
7 74 (67.27%) Security Cleared
8 72 (65.45%) SC Cleared
9 62 (56.36%) Test Automation
10 60 (54.55%) OO
11 59 (53.64%) REST
12 58 (52.73%) Microservices
13 57 (51.82%) JIRA
14 55 (50.00%) Relational Database
14 55 (50.00%) Java 8
15 54 (49.09%) JAX-RS
15 54 (49.09%) Domain-Driven Design
16 52 (47.27%) Dependency Injection
16 52 (47.27%) Java EE
16 52 (47.27%) JPQL
16 52 (47.27%) OOA/OOD
16 52 (47.27%) JMS
16 52 (47.27%) RDBMS
16 52 (47.27%) Hibernate
16 52 (47.27%) Lambda Expressions
17 51 (46.36%) WireMock
17 51 (46.36%) CQRS
17 51 (46.36%) Confluence
18 50 (45.45%) Jenkins

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 51 (46.36%) Confluence
2 49 (44.55%) WildFly
3 7 (6.36%) Tomcat
4 4 (3.64%) JBoss
5 2 (1.82%) Elasticsearch
5 2 (1.82%) WebLogic
6 1 (0.91%) Apache ServiceMix
6 1 (0.91%) Apache Spark
6 1 (0.91%) nginx
Cloud Services
1 33 (30.00%) Amazon AWS
2 31 (28.18%) Amazon EC2
3 2 (1.82%) Slack
Communications & Networking
1 2 (1.82%) OpenVPN
2 1 (0.91%) BIG-IP
2 1 (0.91%) DNS
2 1 (0.91%) Skype
Database & Business Intelligence
1 55 (50.00%) Relational Database
2 52 (47.27%) RDBMS
3 8 (7.27%) PostgreSQL
4 5 (4.55%) Data Warehouse
5 4 (3.64%) MySQL
6 2 (1.82%) Amazon RDS
7 1 (0.91%) Big Data
7 1 (0.91%) DataStage
7 1 (0.91%) Hadoop
7 1 (0.91%) HBase
Development Applications
1 100 (90.91%) Maven
2 97 (88.18%) Git (software)
3 95 (86.36%) Mockito
4 91 (82.73%) SonarQube
5 57 (51.82%) JIRA
6 50 (45.45%) Checkstyle
6 50 (45.45%) Jenkins
7 49 (44.55%) Liquibase
7 49 (44.55%) Vagrant
8 42 (38.18%) DbUnit
9 39 (35.45%) jMock
10 8 (7.27%) Selenium
10 8 (7.27%) WebDriver
11 6 (5.45%) GitLab
12 5 (4.55%) Cucumber
13 3 (2.73%) Gradle
13 3 (2.73%) JMeter
14 2 (1.82%) AutoIt
14 2 (1.82%) Log4j
14 2 (1.82%) Sonatype Nexus
General
1 6 (5.45%) Retail
2 2 (1.82%) Legal
Job Titles
1 98 (89.09%) Developer
2 97 (88.18%) Java Developer
3 50 (45.45%) SC Cleared Java Developer
4 8 (7.27%) J2EE Developer
4 8 (7.27%) Java/J2EE Developer
5 5 (4.55%) Lead Developer
5 5 (4.55%) Lead Java Developer
6 4 (3.64%) Agile Developer
6 4 (3.64%) Agile Java Developer
6 4 (3.64%) BPM Developer
6 4 (3.64%) Java Team Leader
6 4 (3.64%) Team Leader
6 4 (3.64%) Test Engineer
6 4 (3.64%) Tester
7 3 (2.73%) Automation Tester
7 3 (2.73%) Test Automation Engineer
8 2 (1.82%) Backend Developer
8 2 (1.82%) DevOps Engineer
8 2 (1.82%) J2EE Team Leader
8 2 (1.82%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 95 (86.36%) RESTful
2 59 (53.64%) REST
3 54 (49.09%) JAX-RS
4 52 (47.27%) Hibernate
4 52 (47.27%) Java EE
4 52 (47.27%) JMS
4 52 (47.27%) Lambda Expressions
5 51 (46.36%) WireMock
6 49 (44.55%) Drools
7 41 (37.27%) Web Services
8 39 (35.45%) J2EE
8 39 (35.45%) PowerMock
8 39 (35.45%) SOAP
9 37 (33.64%) Apache Camel
10 28 (25.45%) Spring
11 20 (18.18%) Spring Boot
12 11 (10.00%) Gherkin
13 8 (7.27%) XML
14 3 (2.73%) CSS
14 3 (2.73%) HTML
Miscellaneous
1 50 (45.45%) Linux Command Line
2 6 (5.45%) NHS
3 5 (4.55%) Greenfield Project
Operating Systems
1 50 (45.45%) Unix
2 49 (44.55%) VMS
3 10 (9.09%) Linux
4 6 (5.45%) Ubuntu
5 3 (2.73%) Windows
Processes & Methodologies
1 93 (84.55%) Agile Software Development
2 62 (56.36%) Test Automation
3 60 (54.55%) OO
4 58 (52.73%) Microservices
5 54 (49.09%) Domain-Driven Design
6 52 (47.27%) Dependency Injection
6 52 (47.27%) OOA/OOD
7 51 (46.36%) CQRS
8 49 (44.55%) BDD
9 41 (37.27%) TDD
10 40 (36.36%) E-Commerce
11 39 (35.45%) Continuous Integration
12 38 (34.55%) Kanban
12 38 (34.55%) Scrum
13 28 (25.45%) Virtual Infrastructure
14 20 (18.18%) Open Source
15 10 (9.09%) DevOps
16 6 (5.45%) API Development
16 6 (5.45%) API Testing
17 5 (4.55%) Mentoring
Programming Languages
1 107 (97.27%) Java
2 55 (50.00%) Java 8
3 52 (47.27%) JPQL
4 6 (5.45%) SQL
5 3 (2.73%) JavaScript
6 2 (1.82%) Scala
7 1 (0.91%) Shell Script
Qualifications
1 74 (67.27%) Security Cleared
2 72 (65.45%) SC Cleared
3 2 (1.82%) BPSS Clearance
4 1 (0.91%) CTC Cleared
4 1 (0.91%) DBS Check
Quality Assurance & Compliance
1 5 (4.55%) PMO
2 1 (0.91%) GDPR
System Software
1 31 (28.18%) vSphere
2 29 (26.36%) VMware Infrastructure
3 2 (1.82%) Docker
4 1 (0.91%) Active Directory
4 1 (0.91%) HDFS
Systems Management
1 4 (3.64%) Ansible
2 3 (2.73%) Kubernetes
3 2 (1.82%) FreeIPA
3 2 (1.82%) Grafana
3 2 (1.82%) Prometheus
4 1 (0.91%) HAProxy
4 1 (0.91%) Kibana
4 1 (0.91%) logstash
4 1 (0.91%) Oozie
4 1 (0.91%) Opscode Chef
4 1 (0.91%) Puppet
Vendors
1 31 (28.18%) VMware
2 2 (1.82%) Black Duck
2 2 (1.82%) Splunk
3 1 (0.91%) F5