The following table provides summary statistics for contract job vacancies advertised in London with a requirement for JPA skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JPA over the 3 months to 27 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.

Java Persistence API (JPA)
England / London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 380 371 373
Rank change year-on-year -9 +2  
Contract jobs citing JPA 44 56 61
As % of all contract IT jobs advertised in London 0.21% 0.26% 0.26%
As % of the Libraries, Frameworks & Software Standards category 0.59% 0.79% 0.84%
Number of daily rates quoted 35 40 47
Median daily rate £550 £455 £413
Median daily rate % change year-on-year +20.87% +10.30%  
90% offered a daily rate of more than £431 £361 £339
10% offered a daily rate of more than £615 £552 £572
UK excluding London median daily rate £422 £420 £375
% change year-on-year +0.47% +12.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £52.50 £36.00 £40.00
% change year-on-year +45.83% -10.00%  

JPA is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
London
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 7469 7068 7228
As % of all contract IT job vacancies advertised in London 35.88% 32.45% 31.38%
Number of daily rates quoted 5550 5424 5248
Median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.55% +5.88%  
90% offered a daily rate of more than £350 £325 £310
10% offered a daily rate of more than £600 £600 £575
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 50 25 49
Median hourly rate £31.00 £40.00 £22.50
Median hourly rate % change year-on-year -22.50% +77.77%  
90% offered a hourly rate of more than £16.00 £20.00 £16.09
10% offered a hourly rate of more than £55.00 £190.00 £60.00
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

JPA
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing JPA as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for JPA in London

JPA
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for JPA in London

JPA
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing JPA in London over the 3 months to 27 June 2017.

Contractor daily rate histogram for JPA in London

JPA
Contractor Hourly Rate Trend in London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing JPA in London.

Contractor hourly rate trend for JPA in London

JPA
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JPA within the London region over the 3 months to 27 June 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
City of London +4 11 £500 - 3
Canary Wharf 0 1 £675 +31.70%
JPA
England

For the 6 months to 27 June 2017, IT contractor jobs citing JPA 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 London region with a requirement for JPA.

1 95 (97.94%) Java
2 93 (95.88%) Spring
3 70 (72.16%) Hibernate
4 54 (55.67%) Agile Software Development
5 46 (47.42%) Jenkins
6 45 (46.39%) TDD
7 44 (45.36%) J2EE
8 39 (40.21%) Web Services
8 39 (40.21%) Maven
9 38 (39.18%) Oracle
10 37 (38.14%) REST
11 35 (36.08%) Git (software)
12 34 (35.05%) Linux
12 34 (35.05%) Microservices
13 33 (34.02%) Java EE
14 31 (31.96%) Tomcat
15 29 (29.90%) SOAP
15 29 (29.90%) Scrum
16 28 (28.87%) SQL
16 28 (28.87%) JSON
16 28 (28.87%) BDD
17 27 (27.84%) HTML
17 27 (27.84%) Banking
18 26 (26.80%) Finance
18 26 (26.80%) JavaScript
19 25 (25.77%) MVC
19 25 (25.77%) Continuous Integration
20 23 (23.71%) Unit Testing
20 23 (23.71%) Spring Boot
21 22 (22.68%) JMS

JPA
Co-occurring IT Skills in London 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 31 (31.96%) Tomcat
2 19 (19.59%) JBoss
3 15 (15.46%) WebLogic
4 12 (12.37%) Mule
5 9 (9.28%) Oracle SOA Suite
6 8 (8.25%) WebSphere
7 6 (6.19%) GlassFish
7 6 (6.19%) Oracle Coherence
8 5 (5.15%) Jetty
9 2 (2.06%) Apache
9 2 (2.06%) Oracle Application Server
9 2 (2.06%) Oracle Service Bus
10 1 (1.03%) Confluence
10 1 (1.03%) OpenStack
10 1 (1.03%) WebSphere Application Server
10 1 (1.03%) WebSphere Process Server
Business Applications
1 2 (2.06%) Global One
1 2 (2.06%) Oracle BPM
1 2 (2.06%) SunGard Martini
2 1 (1.03%) Actimize
2 1 (1.03%) Loan IQ
2 1 (1.03%) SAP Hybris
Cloud Services
1 11 (11.34%) Amazon AWS
2 6 (6.19%) PaaS
3 4 (4.12%) Cloud Computing
3 4 (4.12%) IaaS
4 3 (3.09%) Bluemix
4 3 (3.09%) IBM Cloud
4 3 (3.09%) OpenShift
5 1 (1.03%) GitHub
5 1 (1.03%) Microsoft Azure
5 1 (1.03%) Twilio
Communications & Networking
1 2 (2.06%) HTTP
1 2 (2.06%) SMS
1 2 (2.06%) SMTP
2 1 (1.03%) CTI
2 1 (1.03%) Firewall
2 1 (1.03%) Network Security
Database & Business Intelligence
1 19 (19.59%) Relational Database
2 10 (10.31%) Endeca
3 9 (9.28%) RDBMS
4 7 (7.22%) MongoDB
4 7 (7.22%) SQL Server
5 6 (6.19%) MySQL
6 5 (5.15%) DB2
6 5 (5.15%) Oracle Database
7 4 (4.12%) Big Data
8 3 (3.09%) Hazelcast
8 3 (3.09%) NoSQL
8 3 (3.09%) Oracle Database 10g
8 3 (3.09%) Oracle Database 11g
8 3 (3.09%) Qlik Sense
8 3 (3.09%) QlikView
9 2 (2.06%) Apache Cassandra
9 2 (2.06%) InterSystems Cache
10 1 (1.03%) Blockchain
10 1 (1.03%) OLAP
10 1 (1.03%) Sybase IQ
Development Applications
1 46 (47.42%) Jenkins
2 39 (40.21%) Maven
3 35 (36.08%) Git (software)
4 20 (20.62%) Mockito
5 19 (19.59%) JUnit
6 16 (16.49%) JIRA
7 15 (15.46%) Subversion
8 14 (14.43%) Selenium
9 12 (12.37%) Atlassian Bamboo
10 9 (9.28%) Cucumber
11 6 (6.19%) EasyMock
11 6 (6.19%) Hudson
11 6 (6.19%) SoapUI
11 6 (6.19%) SonarQube
11 6 (6.19%) TeamCity
12 5 (5.15%) Ant
12 5 (5.15%) Mercurial
12 5 (5.15%) Sonatype Nexus
13 4 (4.12%) Build Forge
13 4 (4.12%) Gradle
General
1 27 (27.84%) Banking
2 26 (26.80%) Finance
3 9 (9.28%) Investment Banking
4 7 (7.22%) Games
5 5 (5.15%) Retail
6 3 (3.09%) Wholesale Banking
7 1 (1.03%) Multimedia
7 1 (1.03%) Retail Banking
7 1 (1.03%) Telecoms
Job Titles
1 70 (72.16%) Developer
2 52 (53.61%) Java Developer
3 21 (21.65%) Senior Developer
4 14 (14.43%) Architect
5 11 (11.34%) Java Engineer
6 10 (10.31%) Endeca Developer
6 10 (10.31%) Senior Java Developer
7 7 (7.22%) Solutions Architect
8 6 (6.19%) J2EE Developer
8 6 (6.19%) Java Software Engineer
8 6 (6.19%) Java/J2EE Developer
8 6 (6.19%) Senior Java Engineer
8 6 (6.19%) Software Engineer
9 5 (5.15%) Technical Architect
10 4 (4.12%) E-Commerce Architect
10 4 (4.12%) E-Commerce Solution Architect
10 4 (4.12%) Java Architect
10 4 (4.12%) Senior Java Software Engineer
10 4 (4.12%) Senior Software Engineer
11 3 (3.09%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 93 (95.88%) Spring
2 70 (72.16%) Hibernate
3 44 (45.36%) J2EE
4 39 (40.21%) Web Services
5 37 (38.14%) REST
6 33 (34.02%) Java EE
7 29 (29.90%) SOAP
8 28 (28.87%) JSON
9 27 (27.84%) HTML
10 23 (23.71%) Spring Boot
11 22 (22.68%) JMS
12 21 (21.65%) AngularJS
12 21 (21.65%) CSS
13 19 (19.59%) HTML5
13 19 (19.59%) Spring MVC
14 18 (18.56%) RESTful
15 16 (16.49%) XML
16 12 (12.37%) JAXB
17 11 (11.34%) CSS3
17 11 (11.34%) Struts
Miscellaneous
1 15 (15.46%) User Experience
2 11 (11.34%) Enterprise Software
3 8 (8.25%) Greenfield Project
4 7 (7.22%) Analytical Skills
4 7 (7.22%) Data Structures
5 6 (6.19%) Foreign Exchange (FX)
6 5 (5.15%) Computer Science
7 3 (3.09%) Algorithms
7 3 (3.09%) iPad
8 2 (2.06%) Credit Risk
8 2 (2.06%) iSeries
8 2 (2.06%) Market Risk
8 2 (2.06%) Virtual Team
9 1 (1.03%) Blog
9 1 (1.03%) Derivative
9 1 (1.03%) Digital Media
9 1 (1.03%) Equities
9 1 (1.03%) Online Banking
9 1 (1.03%) Video Conferencing
9 1 (1.03%) Web 2.0
Operating Systems
1 34 (35.05%) Linux
2 19 (19.59%) Unix
3 3 (3.09%) Red Hat Enterprise Linux
3 3 (3.09%) Windows
4 1 (1.03%) Android
4 1 (1.03%) Apple iOS
4 1 (1.03%) Windows Server
Processes & Methodologies
1 54 (55.67%) Agile Software Development
2 45 (46.39%) TDD
3 34 (35.05%) Microservices
4 29 (29.90%) Scrum
5 28 (28.87%) BDD
6 25 (25.77%) Continuous Integration
6 25 (25.77%) MVC
7 23 (23.71%) Unit Testing
8 21 (21.65%) OO
8 21 (21.65%) SOA
9 17 (17.53%) Kanban
10 13 (13.40%) DevOps
11 12 (12.37%) High Availability
11 12 (12.37%) Multithreading
11 12 (12.37%) Software Engineering
12 11 (11.34%) Continuous Delivery
12 11 (11.34%) Event-Driven Architecture
13 9 (9.28%) Low Latency
14 8 (8.25%) Open Source
14 8 (8.25%) Test Automation
Programming Languages
1 95 (97.94%) Java
2 28 (28.87%) SQL
3 26 (26.80%) JavaScript
4 18 (18.56%) Bash Shell
5 15 (15.46%) PL/SQL
6 10 (10.31%) Assembly Language
6 10 (10.31%) Perl
6 10 (10.31%) Shell Script
7 6 (6.19%) Python
8 5 (5.15%) C++
9 4 (4.12%) Scala
10 2 (2.06%) ES6
11 1 (1.03%) Ruby
11 1 (1.03%) T-SQL
11 1 (1.03%) TypeScript
Qualifications
1 9 (9.28%) Degree
2 3 (3.09%) Master's Degree
3 2 (2.06%) SC Cleared
3 2 (2.06%) Security Cleared
Quality Assurance & Compliance
1 13 (13.40%) QA
System Software
1 6 (6.19%) Docker
2 2 (2.06%) Virtual Machines
Systems Management
1 7 (7.22%) Ansible
2 3 (3.09%) Control-M
3 2 (2.06%) BladeLogic
3 2 (2.06%) OpenAM
3 2 (2.06%) OpenIDM
3 2 (2.06%) Puppet
4 1 (1.03%) Business Desktop Deployment
4 1 (1.03%) Kubernetes
Vendors
1 38 (39.18%) Oracle
2 7 (7.22%) IBM
3 5 (5.15%) Red Hat
4 3 (3.09%) Atlassian
5 2 (2.06%) Calypso
5 2 (2.06%) Fidessa
5 2 (2.06%) ForgeRock
5 2 (2.06%) Murex
5 2 (2.06%) Remedy
5 2 (2.06%) Solace
5 2 (2.06%) Sophis
5 2 (2.06%) SunGard
5 2 (2.06%) Sybase
6 1 (1.03%) hybris
6 1 (1.03%) Microsoft
6 1 (1.03%) SAP
6 1 (1.03%) Splunk
6 1 (1.03%) Twitter
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