The following table provides summary statistics for contract job vacancies with a requirement for Checkstyle skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Checkstyle over the 3 months to 30 March 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.

Checkstyle
UK
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 584 621 622
Rank change year-on-year +37 +1  
Contract jobs citing Checkstyle 16 19 3
As % of all contract IT jobs advertised in the UK 0.035% 0.035% 0.006%
As % of the Development Applications category 0.20% 0.24% 0.043%
Number of daily rates quoted 12 17 2
Median daily rate £488 £375 £410
Median daily rate % change year-on-year +30.00% -8.53%  
90% offered a daily rate of more than £404 £350 £402
10% offered a daily rate of more than £625 £600 £418
UK excluding London median daily rate £438 £375 £410
% change year-on-year +16.66% -8.53%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Checkstyle is in the development application skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies with a requirement for development application skills.

Contract Development Application Skills
UK
Contract job vacancies with a requirement for development application skills 7886 7861 7025
As % of all contract IT job vacancies advertised in the UK 17.32% 14.52% 13.08%
Number of daily rates quoted 5332 5263 4495
Median daily rate £438 £425 £400
Median daily rate % change year-on-year +2.94% +6.25%  
90% offered a daily rate of more than £310 £300 £290
10% offered a daily rate of more than £570 £550 £525
UK excluding London median daily rate £400 £375 £363
% change year-on-year +6.66% +3.44%  
Number of hourly rates quoted 173 187 131
Median hourly rate £42.50 £42.50 £37.50
Median hourly rate % change year-on-year - +13.33%  
90% offered a hourly rate of more than £31.90 £32.20 £29.00
10% offered a hourly rate of more than £52.50 £50.00 £49.25
UK excluding London median hourly rate £42.50 £42.29 £37.50
% change year-on-year +0.49% +12.77%  

Checkstyle
Job Vacancy Trend

The job posting trend of jobs advertised citing Checkstyle as a proportion of all contract or permanent IT jobs with a match in the Development Applications category.

Job vacancy trend for Checkstyle in the UK

Checkstyle
Contractor Daily Rate Trend

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

Contractor daily rate trend for Checkstyle in the UK

Checkstyle
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Checkstyle over the 3 months to 30 March 2017.

Contractor daily rate histogram for Checkstyle in the UK

Checkstyle
Top 9 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Checkstyle within the UK over the 3 months to 30 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +45 16 £488 +30.00% 1
South East +17 10 £438 +16.66%
London +36 6 £625 +38.88% 1
Hampshire +9 5 £438 +17.92%
Winchester +4 5 £438 +16.66%
Berkshire +25 3 £513 -14.58%
Bracknell - 3 £513 -
Hove - 2 £398 -
East Sussex - 2 £398 -

For the 6 months to 30 March 2017, IT contractor jobs citing Checkstyle also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads with a requirement for Checkstyle.

1 25 (86.21%) Java
2 21 (72.41%) JUnit
3 20 (68.97%) Spring
4 17 (58.62%) Agile Software Development
4 17 (58.62%) Subversion
4 17 (58.62%) Unit Testing
5 16 (55.17%) FindBugs
5 16 (55.17%) Maven
5 16 (55.17%) Oracle
5 16 (55.17%) JBoss
5 16 (55.17%) Apache Camel
6 15 (51.72%) Continuous Integration
7 13 (44.83%) Scrum
7 13 (44.83%) PostgreSQL
8 12 (41.38%) Atlassian Bamboo
8 12 (41.38%) JIRA
9 11 (37.93%) Tomcat
10 10 (34.48%) Web Services
10 10 (34.48%) XML
10 10 (34.48%) ActiveMQ
10 10 (34.48%) QA
10 10 (34.48%) Jenkins
11 9 (31.03%) Gradle
11 9 (31.03%) Confluence
11 9 (31.03%) Hibernate
11 9 (31.03%) XSD
11 9 (31.03%) SOA
11 9 (31.03%) Eclipse
11 9 (31.03%) Artifactory
11 9 (31.03%) Microservices

Checkstyle
Co-occurring IT Skills 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 16 (55.17%) JBoss
2 11 (37.93%) Tomcat
3 9 (31.03%) Confluence
4 8 (27.59%) Apache
4 8 (27.59%) Oracle HTTP Server
5 5 (17.24%) Oracle SOA Suite
6 4 (13.79%) Elasticsearch
7 3 (10.34%) Adobe Experience Manager
8 2 (6.90%) Apache Solr
8 2 (6.90%) nginx
8 2 (6.90%) WebSphere
Applications
1 4 (13.79%) HipChat
Cloud Services
1 4 (13.79%) Amazon AWS
2 2 (6.90%) Amazon CloudWatch
2 2 (6.90%) Amazon EC2
2 2 (6.90%) Amazon ElastiCache
2 2 (6.90%) Amazon S3
2 2 (6.90%) Amazon SQS
2 2 (6.90%) AWS Lambda
2 2 (6.90%) CloudFront
2 2 (6.90%) OpenShift
3 1 (3.45%) Microsoft Azure
Communications & Networking
1 8 (27.59%) HTTP
2 4 (13.79%) FTP
Database & Business Intelligence
1 13 (44.83%) PostgreSQL
2 8 (27.59%) MySQL
3 2 (6.90%) Amazon DynamoDB
3 2 (6.90%) DB2
3 2 (6.90%) MongoDB
4 1 (3.45%) Relational Database
Development Applications
1 21 (72.41%) JUnit
2 17 (58.62%) Subversion
3 16 (55.17%) FindBugs
3 16 (55.17%) Maven
4 12 (41.38%) Atlassian Bamboo
4 12 (41.38%) JIRA
5 10 (34.48%) Jenkins
6 9 (31.03%) Artifactory
6 9 (31.03%) Eclipse
6 9 (31.03%) Gradle
7 8 (27.59%) Bitbucket
8 7 (24.14%) Git (software)
8 7 (24.14%) IntelliJ
9 6 (20.69%) Selenium
9 6 (20.69%) SoapUI
10 5 (17.24%) Cucumber
10 5 (17.24%) Mercurial
10 5 (17.24%) SonarQube
11 4 (13.79%) Sonatype Nexus
11 4 (13.79%) XMLUnit
General
1 3 (10.34%) Finance
2 2 (6.90%) Banking
3 1 (3.45%) Telecoms
Job Titles
1 23 (79.31%) Developer
2 19 (65.52%) Java Developer
3 6 (20.69%) Middleware Developer
4 4 (13.79%) Integration Developer
5 3 (10.34%) Agile Developer
5 3 (10.34%) Agile Java Developer
5 3 (10.34%) DevOps Engineer
5 3 (10.34%) Java Middleware Developer
5 3 (10.34%) Lead DevOps
5 3 (10.34%) Lead DevOps Engineer
6 2 (6.90%) Consultant
7 1 (3.45%) Architect
7 1 (3.45%) Cloud Developer
7 1 (3.45%) DevOps Architect
7 1 (3.45%) DevOps Consultant
7 1 (3.45%) EAI Developer
7 1 (3.45%) Java Consultant
7 1 (3.45%) Java Engineer
7 1 (3.45%) SC Cleared Java Developer
7 1 (3.45%) SOA Developer
Libraries, Frameworks & Software Standards
1 20 (68.97%) Spring
2 16 (55.17%) Apache Camel
3 10 (34.48%) ActiveMQ
3 10 (34.48%) Web Services
3 10 (34.48%) XML
4 9 (31.03%) Hibernate
4 9 (31.03%) XSD
5 8 (27.59%) REST
6 7 (24.14%) SOAP
7 6 (20.69%) Middleware
8 5 (17.24%) AngularJS
8 5 (17.24%) JMS
8 5 (17.24%) JSON
9 4 (13.79%) JavaBeans
9 4 (13.79%) JAX-RS
9 4 (13.79%) JDBC
9 4 (13.79%) XSL
10 3 (10.34%) JSF
10 3 (10.34%) Struts
10 3 (10.34%) WSDL
Miscellaneous
1 3 (10.34%) Fintech
1 3 (10.34%) Smart Meter
2 1 (3.45%) Enterprise Software
Operating Systems
1 6 (20.69%) Linux
2 4 (13.79%) Unix
3 2 (6.90%) Red Hat Enterprise Linux
Processes & Methodologies
1 17 (58.62%) Agile Software Development
1 17 (58.62%) Unit Testing
2 15 (51.72%) Continuous Integration
3 13 (44.83%) Scrum
4 9 (31.03%) Microservices
4 9 (31.03%) SOA
5 8 (27.59%) UML
6 7 (24.14%) DevOps
7 6 (20.69%) TDD
8 5 (17.24%) BDD
8 5 (17.24%) Kanban
9 4 (13.79%) Code Coverage
9 4 (13.79%) Configuration Management
9 4 (13.79%) OWASP
9 4 (13.79%) Use Case
9 4 (13.79%) Waterfall
10 3 (10.34%) Content Management
10 3 (10.34%) EAI
10 3 (10.34%) ITIL
10 3 (10.34%) MVC
Programming Languages
1 25 (86.21%) Java
2 6 (20.69%) SQL
3 5 (17.24%) JavaScript
4 4 (13.79%) XPath
5 2 (6.90%) PL/SQL
5 2 (6.90%) T-SQL
Qualifications
1 4 (13.79%) SC Cleared
1 4 (13.79%) Security Cleared
Quality Assurance & Compliance
1 10 (34.48%) QA
System Software
1 4 (13.79%) Docker
2 2 (6.90%) Varnish
Systems Management
1 3 (10.34%) Puppet
1 3 (10.34%) Rundeck
1 3 (10.34%) yum
2 2 (6.90%) Consul
2 2 (6.90%) logstash
2 2 (6.90%) Terraform
Vendors
1 16 (55.17%) Oracle
2 4 (13.79%) Sonatype
3 3 (10.34%) Adobe
3 3 (10.34%) Atlassian
4 2 (6.90%) Red Hat
4 2 (6.90%) Solace
4 2 (6.90%) Splunk
4 2 (6.90%) Sybase