The following table provides summary statistics for contract job vacancies advertised in Croydon with a requirement for Maven skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Maven over the 3 months to 28 June 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.

Apache Maven
London / Croydon
3 months to
28 Jun 2017
Same period 2016 Same period 2015
Rank 25 29 17
Rank change year-on-year +4 -12  
Contract jobs citing Maven 22 13 10
As % of all contract IT jobs advertised in Croydon 10.33% 5.28% 7.09%
As % of the Development Applications category 21.78% 18.31% 30.30%
Number of daily rates quoted 3 6 4
Median daily rate £450 £425 £431
Median daily rate % change year-on-year +5.88% -1.44%  
90% offered a daily rate of more than £432 £388 £399
10% offered a daily rate of more than £470 £469 £438
UK excluding London median daily rate £463 £440 £400
% change year-on-year +5.11% +10.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £42.50 £28.50 £40.00
% change year-on-year +49.12% -28.75%  

Maven 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 advertised in Croydon with a requirement for development application skills.

Contract Development Application Skills
Croydon
Contract job vacancies with a requirement for development application skills 101 71 33
As % of all contract IT job vacancies advertised in Croydon 47.42% 28.86% 23.40%
Number of daily rates quoted 38 43 14
Median daily rate £525 £400 £425
Median daily rate % change year-on-year +31.25% -5.88%  
90% offered a daily rate of more than £450 £310 £354
10% offered a daily rate of more than £550 £500 £438
UK excluding London median daily rate £413 £400 £363
% change year-on-year +3.12% +10.34%  
Number of hourly rates quoted 0 0 3
Median hourly rate - - £27.78
UK excluding London median hourly rate £43.25 £41.50 £37.04
% change year-on-year +4.21% +12.04%  

Maven
Job Vacancy Trend in Croydon

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

Job vacancy trend for Maven in Croydon

Maven
Contractor Daily Rate Trend in Croydon

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

Contractor daily rate trend for Maven in Croydon

For the 6 months to 28 June 2017, IT contractor jobs citing Maven 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 Maven.

1 35 (100.00%) Java
2 30 (85.71%) Git (software)
2 30 (85.71%) Jenkins
3 27 (77.14%) Linux
4 23 (65.71%) Continuous Integration
4 23 (65.71%) DevOps
5 22 (62.86%) Agile Software Development
6 20 (57.14%) PostgreSQL
6 20 (57.14%) Groovy
6 20 (57.14%) SonarQube
7 16 (45.71%) JUnit
8 15 (42.86%) Scrum
9 14 (40.00%) CentOS
9 14 (40.00%) OpenLDAP
10 13 (37.14%) REST
11 12 (34.29%) Web Services
12 11 (31.43%) Tomcat
12 11 (31.43%) Subversion
12 11 (31.43%) Puppet
12 11 (31.43%) Gradle
12 11 (31.43%) Amazon AWS
13 10 (28.57%) Bash Shell
13 10 (28.57%) VMware
13 10 (28.57%) Configuration Management
13 10 (28.57%) Unix
14 9 (25.71%) Ant
14 9 (25.71%) HTTP
14 9 (25.71%) Load Balancing
14 9 (25.71%) Amazon EC2
14 9 (25.71%) Ansible

Maven
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 11 (31.43%) Tomcat
2 8 (22.86%) Apache
2 8 (22.86%) JBoss
3 7 (20.00%) Confluence
3 7 (20.00%) Elasticsearch
4 5 (14.29%) WebLogic
Cloud Services
1 11 (31.43%) Amazon AWS
2 9 (25.71%) Amazon EC2
3 8 (22.86%) Amazon CloudWatch
3 8 (22.86%) Amazon ELB
3 8 (22.86%) Amazon S3
3 8 (22.86%) Virtual Private Cloud
4 1 (2.86%) AWS CloudFormation
4 1 (2.86%) Google Cloud Platform
Communications & Networking
1 14 (40.00%) OpenLDAP
2 9 (25.71%) HTTP
3 7 (20.00%) DNS
3 7 (20.00%) OpenVPN
3 7 (20.00%) SSH
4 1 (2.86%) LDAP
Database & Business Intelligence
1 20 (57.14%) PostgreSQL
2 8 (22.86%) Amazon RDS
3 3 (8.57%) Oracle Database
4 2 (5.71%) Big Data
4 2 (5.71%) Hadoop
Development Applications
1 30 (85.71%) Git (software)
1 30 (85.71%) Jenkins
2 20 (57.14%) SonarQube
3 16 (45.71%) JUnit
4 11 (31.43%) Gradle
4 11 (31.43%) Subversion
5 9 (25.71%) Ant
6 8 (22.86%) Liquibase
6 8 (22.86%) Sonatype Nexus
7 7 (20.00%) Bitbucket
7 7 (20.00%) DbUnit
7 7 (20.00%) JIRA
7 7 (20.00%) jMock
7 7 (20.00%) Mockito
8 6 (17.14%) Hudson
9 2 (5.71%) Vagrant
10 1 (2.86%) Selenium
General
1 5 (14.29%) Finance
Job Titles
1 22 (62.86%) DevOps Engineer
2 8 (22.86%) Developer
2 8 (22.86%) Java Developer
2 8 (22.86%) Linux/Unix DevOps
3 7 (20.00%) Linux DevOps Engineer
3 7 (20.00%) Linux Engineer
4 6 (17.14%) AWS DevOps
4 6 (17.14%) AWS DevOps Engineer
4 6 (17.14%) AWS Engineer
5 5 (14.29%) Build Manager
6 3 (8.57%) BPM Developer
6 3 (8.57%) Java Engineer
7 2 (5.71%) PostgreSQL Developer
8 1 (2.86%) Agile Java Developer
8 1 (2.86%) Big Data Engineer
8 1 (2.86%) DevOps Developer
8 1 (2.86%) Java Architect
8 1 (2.86%) Senior DevOps Engineer
8 1 (2.86%) Senior WebOps Engineer
8 1 (2.86%) WebOps Engineer
Libraries, Frameworks & Software Standards
1 13 (37.14%) REST
2 12 (34.29%) Web Services
3 8 (22.86%) ActiveMQ
3 8 (22.86%) Elastic Stack
3 8 (22.86%) J2EE
4 7 (20.00%) Apache Camel
4 7 (20.00%) MCollective
4 7 (20.00%) PowerMock
4 7 (20.00%) RESTful
4 7 (20.00%) SOAP
5 6 (17.14%) Spring
6 5 (14.29%) XML
7 2 (5.71%) Apache CXF
7 2 (5.71%) CSS
7 2 (5.71%) HTML
8 1 (2.86%) boto
8 1 (2.86%) Kafka
8 1 (2.86%) Oracle GoldenGate
8 1 (2.86%) Ruby on Rails
Miscellaneous
1 9 (25.71%) Linux Command Line
2 4 (11.43%) iPad
3 1 (2.86%) Enterprise Software
Operating Systems
1 27 (77.14%) Linux
2 14 (40.00%) CentOS
3 10 (28.57%) Unix
4 1 (2.86%) Red Hat Enterprise Linux
Processes & Methodologies
1 23 (65.71%) Continuous Integration
1 23 (65.71%) DevOps
2 22 (62.86%) Agile Software Development
3 15 (42.86%) Scrum
4 10 (28.57%) Configuration Management
5 9 (25.71%) Load Balancing
6 8 (22.86%) Coaching
6 8 (22.86%) Continuous Delivery
7 7 (20.00%) BDD
7 7 (20.00%) Kanban
7 7 (20.00%) Service Management
7 7 (20.00%) Stakeholder Management
7 7 (20.00%) TDD
8 5 (14.29%) E-Commerce
8 5 (14.29%) OO
8 5 (14.29%) SOA
9 2 (5.71%) Front End Development
9 2 (5.71%) Mentoring
9 2 (5.71%) Microservices
9 2 (5.71%) Release Management
Programming Languages
1 35 (100.00%) Java
2 20 (57.14%) Groovy
3 10 (28.57%) Bash Shell
4 3 (8.57%) Python
4 3 (8.57%) Ruby
5 2 (5.71%) Go
5 2 (5.71%) JavaScript
5 2 (5.71%) Scala
Qualifications
1 6 (17.14%) SC Cleared
1 6 (17.14%) Security Cleared
2 3 (8.57%) DV Cleared
3 1 (2.86%) BPSS Clearance
System Software
1 9 (25.71%) Docker
1 9 (25.71%) Virtual Machines
2 7 (20.00%) Postfix
2 7 (20.00%) Squid
2 7 (20.00%) vCloud
3 2 (5.71%) VMware Infrastructure
3 2 (5.71%) vSphere
4 1 (2.86%) HDFS
Systems Management
1 11 (31.43%) Puppet
2 9 (25.71%) Ansible
2 9 (25.71%) Terraform
3 7 (20.00%) Docker Swarm
3 7 (20.00%) Kibana
3 7 (20.00%) Kubernetes
3 7 (20.00%) logstash
3 7 (20.00%) Rancher
3 7 (20.00%) Rsyslog
3 7 (20.00%) Sysdig
3 7 (20.00%) ZABBIX
4 1 (2.86%) OpenAM
Vendors
1 10 (28.57%) VMware
2 8 (22.86%) Oracle
2 8 (22.86%) Sonatype
3 4 (11.43%) Guidewire
4 1 (2.86%) Google
4 1 (2.86%) Hortonworks
4 1 (2.86%) Red Hat