Period
to 10 December 2017

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 10 December 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.

JUnit
South London > Croydon
6 months to
10 Dec 2017
Same period 2016 Same period 2015
Rank 32 32 42
Rank change year-on-year 0 +10 -
Contract jobs citing JUnit 75 45 11
As % of all contract IT jobs advertised in Croydon 7.95% 8.44% 3.08%
As % of the Development Applications category 23.29% 22.28% 13.41%
Number of daily rates quoted 55 14 3
Croydon median daily rate £500 £380 £400
Median daily rate % change year-on-year +31.58% -5.00% -
10th Percentile £413 £363 £360
90th Percentile £575 £495 £435
South London median daily rate £500 £380 £413
% change year-on-year +31.58% -7.88% +17.86%
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 322 202 82
As % of all contract IT jobs advertised in Croydon 34.15% 37.90% 22.97%
Number of daily rates quoted 216 91 47
Croydon median daily rate £500 £440 £450
Median daily rate % change year-on-year +13.64% -2.22% -
10th Percentile £363 £313 £313
90th Percentile £639 £575 £525
South London median daily rate £500 £438 £399
% change year-on-year +14.29% +9.72% -0.31%
Number of hourly rates quoted 0 0 2
Croydon median hourly rate - - £36.25
South London median hourly rate £41.42 £49.19 £36.25
% change year-on-year -15.81% +35.70% -

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 10 December 2017.

Contractor daily rate histogram for JUnit in Croydon

For the 6 months to 10 December 2017, IT contractor jobs citing JUnit 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 JUnit.

1 73 (97.33%) Java
2 63 (84.00%) Mockito
3 61 (81.33%) RESTful
4 59 (78.67%) Agile Software Development
5 57 (76.00%) Microservices
6 55 (73.33%) Git (software)
7 52 (69.33%) Maven
8 50 (66.67%) SonarQube
9 46 (61.33%) REST
10 44 (58.67%) Confluence
10 44 (58.67%) JIRA
11 42 (56.00%) OO
11 42 (56.00%) JAX-RS
12 38 (50.67%) Security Cleared
13 36 (48.00%) CQRS
13 36 (48.00%) JMS
14 35 (46.67%) Domain-Driven Design
14 35 (46.67%) Liquibase
14 35 (46.67%) Linux Command Line
15 34 (45.33%) WireMock
16 33 (44.00%) Test Automation
17 31 (41.33%) Dependency Injection
17 31 (41.33%) Vagrant
18 30 (40.00%) Drools
18 30 (40.00%) VMS
18 30 (40.00%) RDBMS
18 30 (40.00%) Hibernate
18 30 (40.00%) Relational Database
19 29 (38.67%) WildFly
19 29 (38.67%) Lambda Expressions

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 44 (58.67%) Confluence
2 29 (38.67%) WildFly
3 15 (20.00%) Tomcat
4 13 (17.33%) Apache
5 6 (8.00%) Elasticsearch
6 3 (4.00%) Apache ServiceMix
7 2 (2.67%) JBoss
8 1 (1.33%) Apache Spark
Business Applications
1 1 (1.33%) Oracle BPM
Cloud Services
1 12 (16.00%) Amazon AWS
1 12 (16.00%) Amazon EC2
2 6 (8.00%) Amazon CloudWatch
2 6 (8.00%) Amazon ELB
2 6 (8.00%) Amazon S3
2 6 (8.00%) Virtual Private Cloud
3 1 (1.33%) GitHub
Communications & Networking
1 6 (8.00%) DNS
1 6 (8.00%) HTTP
1 6 (8.00%) OpenLDAP
1 6 (8.00%) OpenVPN
1 6 (8.00%) SSH
Database & Business Intelligence
1 30 (40.00%) RDBMS
1 30 (40.00%) Relational Database
2 18 (24.00%) PostgreSQL
3 6 (8.00%) Amazon RDS
4 2 (2.67%) NoSQL
5 1 (1.33%) DataStage
5 1 (1.33%) Hadoop
5 1 (1.33%) HBase
5 1 (1.33%) Redis
5 1 (1.33%) SQL Server
Development Applications
1 63 (84.00%) Mockito
2 55 (73.33%) Git (software)
3 52 (69.33%) Maven
4 50 (66.67%) SonarQube
5 44 (58.67%) JIRA
6 35 (46.67%) Liquibase
7 31 (41.33%) Vagrant
8 29 (38.67%) Checkstyle
9 23 (30.67%) Jenkins
10 17 (22.67%) DbUnit
10 17 (22.67%) jMock
11 6 (8.00%) Ant
11 6 (8.00%) Bitbucket
11 6 (8.00%) Sonatype Nexus
12 5 (6.67%) Selenium
13 3 (4.00%) Protractor
14 2 (2.67%) Capybara
14 2 (2.67%) JMeter
14 2 (2.67%) TestNG
15 1 (1.33%) Gradle
Job Titles
1 65 (86.67%) Developer
2 61 (81.33%) Java Developer
3 16 (21.33%) SC Cleared Java Developer
4 12 (16.00%) BPM Developer
5 10 (13.33%) Senior Developer
5 10 (13.33%) Senior Java Developer
6 8 (10.67%) Agile Developer
6 8 (10.67%) Agile Java Developer
6 8 (10.67%) Lead Developer
6 8 (10.67%) Lead Java Developer
7 6 (8.00%) DevOps Engineer
8 4 (5.33%) Full Stack Developer
9 2 (2.67%) Angular Developer
9 2 (2.67%) Developer in Test
9 2 (2.67%) J2EE Developer
9 2 (2.67%) Java/J2EE Developer
9 2 (2.67%) Test Automation Developer
10 1 (1.33%) Java Team Leader
10 1 (1.33%) Team Leader
10 1 (1.33%) Test Specialist
Libraries, Frameworks & Software Standards
1 61 (81.33%) RESTful
2 46 (61.33%) REST
3 42 (56.00%) JAX-RS
4 36 (48.00%) JMS
5 34 (45.33%) WireMock
6 30 (40.00%) Drools
6 30 (40.00%) Hibernate
7 29 (38.67%) Java EE
7 29 (38.67%) Lambda Expressions
8 18 (24.00%) J2EE
8 18 (24.00%) SOAP
8 18 (24.00%) Web Services
9 17 (22.67%) Apache Camel
9 17 (22.67%) PowerMock
10 14 (18.67%) Spring
11 9 (12.00%) XML
12 6 (8.00%) Elastic Stack
12 6 (8.00%) MCollective
13 3 (4.00%) Node.js
13 3 (4.00%) Spring Boot
Miscellaneous
1 35 (46.67%) Linux Command Line
2 4 (5.33%) Enterprise Software
3 2 (2.67%) Analytical Skills
Operating Systems
1 30 (40.00%) VMS
2 29 (38.67%) Unix
3 7 (9.33%) Linux
4 6 (8.00%) CentOS
Processes & Methodologies
1 59 (78.67%) Agile Software Development
2 57 (76.00%) Microservices
3 42 (56.00%) OO
4 36 (48.00%) CQRS
5 35 (46.67%) Domain-Driven Design
6 33 (44.00%) Test Automation
7 31 (41.33%) Dependency Injection
8 29 (38.67%) OOA/OOD
9 24 (32.00%) Continuous Integration
10 22 (29.33%) Scrum
11 21 (28.00%) TDD
12 20 (26.67%) BDD
13 16 (21.33%) E-Commerce
13 16 (21.33%) Kanban
14 7 (9.33%) DevOps
14 7 (9.33%) Integration Testing
15 6 (8.00%) Coaching
15 6 (8.00%) Continuous Delivery
15 6 (8.00%) Open Source
15 6 (8.00%) Virtual Infrastructure
Programming Languages
1 73 (97.33%) Java
2 29 (38.67%) JPQL
3 6 (8.00%) Bash Shell
3 6 (8.00%) Groovy
4 4 (5.33%) JavaScript
5 2 (2.67%) Scala
6 1 (1.33%) PL/SQL
6 1 (1.33%) Shell Script
6 1 (1.33%) SQL
Qualifications
1 38 (50.67%) Security Cleared
2 25 (33.33%) SC Cleared
3 15 (20.00%) BPSS Clearance
4 2 (2.67%) Degree
Quality Assurance & Compliance
1 3 (4.00%) QA
System Software
1 8 (10.67%) Docker
2 6 (8.00%) Postfix
2 6 (8.00%) Squid
2 6 (8.00%) vCloud
2 6 (8.00%) Virtual Machines
2 6 (8.00%) VMware Infrastructure
2 6 (8.00%) vSphere
3 1 (1.33%) HDFS
Systems Management
1 7 (9.33%) Ansible
1 7 (9.33%) Kubernetes
1 7 (9.33%) Puppet
2 6 (8.00%) Docker Swarm
2 6 (8.00%) Kibana
2 6 (8.00%) logstash
2 6 (8.00%) Rancher
2 6 (8.00%) Rsyslog
2 6 (8.00%) Sysdig
2 6 (8.00%) Terraform
2 6 (8.00%) ZABBIX
3 1 (1.33%) Oozie
3 1 (1.33%) Opscode Chef
Vendors
1 12 (16.00%) VMware
2 6 (8.00%) Sonatype
3 2 (2.67%) Oracle