Period
to 20 February 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 20 February 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
20 Feb 2018
Same period 2017 Same period 2016
Rank 27 49 34
Rank change year-on-year +22 -15 +3
Contract jobs citing JUnit 87 16 16
As % of all contract IT jobs advertised in Croydon 8.17% 3.40% 3.79%
As % of the Development Applications category 26.28% 10.32% 18.82%
Number of daily rates quoted 69 1 7
Croydon median daily rate £530 £488 £400
Median daily rate % change year-on-year +8.72% +21.88% -
10th Percentile £413 £481 £339
90th Percentile £575 £494 £440
South London median daily rate £530 £450 £408
% change year-on-year +17.78% +10.43% +16.43%
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 331 155 85
As % of all contract IT jobs advertised in Croydon 31.08% 32.98% 20.14%
Number of daily rates quoted 234 69 62
Croydon median daily rate £500 £450 £416
Median daily rate % change year-on-year +11.11% +8.11% -2.06%
10th Percentile £363 £350 £313
90th Percentile £607 £578 £488
South London median daily rate £500 £439 £400
% change year-on-year +13.96% +9.69% +6.67%
Number of hourly rates quoted 0 0 1
Croydon median hourly rate - - £42.50
South London median hourly rate £41.41 £51.25 £42.50
% change year-on-year -19.20% +20.59% -

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 20 February 2018.

Contractor daily rate histogram for JUnit in Croydon

For the 6 months to 20 February 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 85 (97.70%) Java
2 77 (88.51%) Mockito
3 74 (85.06%) RESTful
4 69 (79.31%) Microservices
5 68 (78.16%) Agile Software Development
6 66 (75.86%) Git (software)
7 62 (71.26%) Maven
8 61 (70.11%) SonarQube
9 58 (66.67%) JIRA
9 58 (66.67%) Confluence
10 56 (64.37%) REST
11 54 (62.07%) JAX-RS
11 54 (62.07%) OO
12 47 (54.02%) Test Automation
12 47 (54.02%) Linux Command Line
13 46 (52.87%) Liquibase
13 46 (52.87%) Domain-Driven Design
13 46 (52.87%) CQRS
13 46 (52.87%) JMS
14 44 (50.57%) RDBMS
14 44 (50.57%) Dependency Injection
14 44 (50.57%) Relational Database
15 43 (49.43%) WireMock
15 43 (49.43%) Lambda Expressions
15 43 (49.43%) Drools
15 43 (49.43%) JPQL
15 43 (49.43%) Unix
15 43 (49.43%) OOA/OOD
15 43 (49.43%) Checkstyle
16 42 (48.28%) Hibernate

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 58 (66.67%) Confluence
2 37 (42.53%) WildFly
3 12 (13.79%) Tomcat
4 11 (12.64%) Apache
5 4 (4.60%) Apache ServiceMix
5 4 (4.60%) Elasticsearch
6 2 (2.30%) Apache Spark
6 2 (2.30%) JBoss
Business Applications
1 1 (1.15%) Oracle BPM
Cloud Services
1 21 (24.14%) Amazon AWS
2 16 (18.39%) Amazon EC2
3 4 (4.60%) Amazon CloudWatch
3 4 (4.60%) Amazon ELB
3 4 (4.60%) Amazon S3
3 4 (4.60%) Virtual Private Cloud
Communications & Networking
1 4 (4.60%) DNS
1 4 (4.60%) HTTP
1 4 (4.60%) OpenLDAP
1 4 (4.60%) OpenVPN
1 4 (4.60%) SSH
Database & Business Intelligence
1 44 (50.57%) RDBMS
1 44 (50.57%) Relational Database
2 15 (17.24%) PostgreSQL
3 4 (4.60%) Amazon RDS
4 2 (2.30%) DataStage
4 2 (2.30%) Hadoop
4 2 (2.30%) HBase
5 1 (1.15%) Big Data
5 1 (1.15%) NoSQL
5 1 (1.15%) SQL Server
Development Applications
1 77 (88.51%) Mockito
2 66 (75.86%) Git (software)
3 62 (71.26%) Maven
4 61 (70.11%) SonarQube
5 58 (66.67%) JIRA
6 46 (52.87%) Liquibase
7 43 (49.43%) Checkstyle
8 38 (43.68%) Vagrant
9 19 (21.84%) Jenkins
10 17 (19.54%) DbUnit
10 17 (19.54%) jMock
11 5 (5.75%) Selenium
12 4 (4.60%) Ant
12 4 (4.60%) Bitbucket
12 4 (4.60%) Sonatype Nexus
13 3 (3.45%) JMeter
13 3 (3.45%) Protractor
14 2 (2.30%) Capybara
14 2 (2.30%) TestNG
15 1 (1.15%) WebDriver
Job Titles
1 74 (85.06%) Developer
2 71 (81.61%) Java Developer
3 23 (26.44%) SC Cleared Java Developer
4 12 (13.79%) Senior Developer
4 12 (13.79%) Senior Java Developer
5 9 (10.34%) BPM Developer
5 9 (10.34%) Lead Developer
5 9 (10.34%) Lead Java Developer
6 8 (9.20%) Agile Developer
6 8 (9.20%) Agile Java Developer
7 5 (5.75%) Full Stack Developer
8 3 (3.45%) DevOps Engineer
8 3 (3.45%) Scrum Master
9 2 (2.30%) Angular Developer
9 2 (2.30%) Developer in Test
9 2 (2.30%) J2EE Developer
9 2 (2.30%) Java/J2EE Developer
9 2 (2.30%) Test Automation Developer
9 2 (2.30%) Test Specialist
10 1 (1.15%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 74 (85.06%) RESTful
2 56 (64.37%) REST
3 54 (62.07%) JAX-RS
4 46 (52.87%) JMS
5 43 (49.43%) Drools
5 43 (49.43%) Lambda Expressions
5 43 (49.43%) WireMock
6 42 (48.28%) Hibernate
7 37 (42.53%) Java EE
8 19 (21.84%) Spring
9 18 (20.69%) J2EE
10 17 (19.54%) Apache Camel
10 17 (19.54%) PowerMock
10 17 (19.54%) SOAP
10 17 (19.54%) Web Services
11 8 (9.20%) XML
12 5 (5.75%) Spring Batch
12 5 (5.75%) Velocity
13 4 (4.60%) MCollective
13 4 (4.60%) Spring Boot
Miscellaneous
1 47 (54.02%) Linux Command Line
2 5 (5.75%) Greenfield Project
3 3 (3.45%) Enterprise Software
4 2 (2.30%) Analytical Skills
Operating Systems
1 43 (49.43%) Unix
2 38 (43.68%) VMS
3 6 (6.90%) Linux
4 4 (4.60%) CentOS
Processes & Methodologies
1 69 (79.31%) Microservices
2 68 (78.16%) Agile Software Development
3 54 (62.07%) OO
4 47 (54.02%) Test Automation
5 46 (52.87%) CQRS
5 46 (52.87%) Domain-Driven Design
6 44 (50.57%) Dependency Injection
7 43 (49.43%) OOA/OOD
8 25 (28.74%) Scrum
9 21 (24.14%) Continuous Integration
10 20 (22.99%) BDD
10 20 (22.99%) TDD
11 16 (18.39%) E-Commerce
11 16 (18.39%) Kanban
12 12 (13.79%) Virtual Infrastructure
13 5 (5.75%) Open Source
13 5 (5.75%) Visualisation
14 4 (4.60%) Load Balancing
14 4 (4.60%) Service Management
14 4 (4.60%) Unit Testing
Programming Languages
1 85 (97.70%) Java
2 43 (49.43%) JPQL
3 5 (5.75%) JavaScript
4 4 (4.60%) Bash Shell
4 4 (4.60%) Groovy
5 3 (3.45%) Scala
6 2 (2.30%) PL/SQL
6 2 (2.30%) Shell Script
7 1 (1.15%) SQL
Qualifications
1 42 (48.28%) Security Cleared
2 32 (36.78%) SC Cleared
3 17 (19.54%) BPSS Clearance
4 2 (2.30%) Degree
Quality Assurance & Compliance
1 2 (2.30%) Disclosure Scotland
1 2 (2.30%) QA
System Software
1 12 (13.79%) VMware Infrastructure
1 12 (13.79%) vSphere
2 5 (5.75%) Docker
3 4 (4.60%) Postfix
3 4 (4.60%) Squid
3 4 (4.60%) vCloud
3 4 (4.60%) Virtual Machines
4 2 (2.30%) HDFS
Systems Management
1 5 (5.75%) Kubernetes
2 4 (4.60%) Ansible
2 4 (4.60%) Docker Swarm
2 4 (4.60%) Kibana
2 4 (4.60%) logstash
2 4 (4.60%) Puppet
2 4 (4.60%) Rancher
2 4 (4.60%) Rsyslog
2 4 (4.60%) Sysdig
2 4 (4.60%) Terraform
2 4 (4.60%) ZABBIX
3 2 (2.30%) Oozie
Vendors
1 16 (18.39%) VMware
2 4 (4.60%) Sonatype
3 2 (2.30%) Oracle