Period
to 17 November 2017

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 6 months to 17 November 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
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 504 515 520
Rank change year-on-year +11 +5 +21
Contract jobs citing JPA 124 108 91
As % of all contract IT jobs advertised in London 0.26% 0.24% 0.19%
As % of the Libraries, Frameworks & Software Standards category 0.71% 0.69% 0.60%
Number of daily rates quoted 98 85 61
London median daily rate £513 £500 £450
Median daily rate % change year-on-year +2.50% +11.11% +5.88%
10th Percentile £418 £333 £319
90th Percentile £625 £601 £600
England median daily rate £475 £425 £408
% change year-on-year +11.76% +4.29% -4.12%
Number of hourly rates quoted 0 0 2
London median hourly rate - - £45.00
England median hourly rate £48.75 £38.75 £45.00
% change year-on-year +25.81% -13.89% -

JPA is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 17345 15618 15202
As % of all contract IT jobs advertised in London 37.04% 34.48% 32.20%
Number of daily rates quoted 13256 11682 11331
London median daily rate £500 £463 £450
Median daily rate % change year-on-year +8.11% +2.78% +5.88%
10th Percentile £350 £319 £308
90th Percentile £650 £625 £625
England median daily rate £463 £425 £413
% change year-on-year +8.82% +3.03% +3.13%
Number of hourly rates quoted 102 73 92
London median hourly rate £35.00 £40.00 £37.50
Median hourly rate % change year-on-year -12.50% +6.67% +7.14%
10th Percentile £19.04 £19.23 £14.25
90th Percentile £49.88 £65.50 £58.75
England median hourly rate £40.00 £37.50 £37.50
% change year-on-year +6.67% - +10.29%

JPA
Job Vacancy Trend in London

Job postings citing JPA as a percentage of all IT jobs advertised in London.

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 6 months to 17 November 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 6 months to 17 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -4 20 £500 -4.76% 2
West London -6 5 £600 +24.35% 1
South London - 4 £531 -
East London -5 2 £588 +23.68% 2
JPA
England

For the 6 months to 17 November 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.

1 124 (100.00%) Java
2 88 (70.97%) Hibernate
3 86 (69.35%) Agile Software Development
4 84 (67.74%) Spring
5 66 (53.23%) TDD
6 62 (50.00%) Web Services
6 62 (50.00%) Jenkins
7 59 (47.58%) REST
8 54 (43.55%) BDD
9 50 (40.32%) Microservices
10 47 (37.90%) JIRA
11 43 (34.68%) Scrum
12 40 (32.26%) Maven
13 37 (29.84%) RESTful
13 37 (29.84%) MVC
14 36 (29.03%) HTML
14 36 (29.03%) JSON
15 35 (28.23%) SQL
15 35 (28.23%) Docker
16 34 (27.42%) Confluence
17 33 (26.61%) JavaScript
18 32 (25.81%) Oracle
19 31 (25.00%) HTML5
19 31 (25.00%) AngularJS
20 30 (24.19%) Java EE
21 29 (23.39%) Git (software)
21 29 (23.39%) High Availability
21 29 (23.39%) Linux
21 29 (23.39%) Spring Boot
22 28 (22.58%) PostgreSQL

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 34 (27.42%) Confluence
2 17 (13.71%) JBoss
3 16 (12.90%) Tomcat
4 10 (8.06%) WebSphere
5 9 (7.26%) Apache
6 8 (6.45%) Jetty
7 7 (5.65%) WildFly
8 6 (4.84%) GlassFish
9 5 (4.03%) Elasticsearch
10 4 (3.23%) Apache Solr
10 4 (3.23%) Cloud Foundry
10 4 (3.23%) IIS
10 4 (3.23%) Oracle SOA Suite
10 4 (3.23%) WebSphere Application Server
11 2 (1.61%) Anypoint
11 2 (1.61%) CMS
11 2 (1.61%) Oracle Workflow
11 2 (1.61%) WebLogic
12 1 (0.81%) Adobe Experience Manager
12 1 (0.81%) WebSphere Process Server
Business Applications
1 4 (3.23%) Loan IQ
2 1 (0.81%) SAP Hybris
Cloud Services
1 15 (12.10%) Amazon AWS
2 12 (9.68%) GitHub
3 8 (6.45%) Cloud Computing
4 5 (4.03%) Bluemix
4 5 (4.03%) IBM Cloud
4 5 (4.03%) PaaS
5 3 (2.42%) Amazon EC2
5 3 (2.42%) IaaS
6 2 (1.61%) Amazon S3
6 2 (1.61%) Amazon SQS
6 2 (1.61%) AWS Lambda
6 2 (1.61%) Microsoft Azure
6 2 (1.61%) Serverless
7 1 (0.81%) Amazon ELB
7 1 (0.81%) npm
7 1 (0.81%) SaaS
7 1 (0.81%) Twilio
Communications & Networking
1 10 (8.06%) SMS
2 6 (4.84%) Firewall
3 3 (2.42%) LDAP
4 2 (1.61%) BIG-IP
4 2 (1.61%) NetScaler
4 2 (1.61%) Network Security
4 2 (1.61%) TCP/IP
5 1 (0.81%) CTI
5 1 (0.81%) HTTP
5 1 (0.81%) Internet
5 1 (0.81%) Intranet
5 1 (0.81%) VPN
Database & Business Intelligence
1 28 (22.58%) PostgreSQL
2 24 (19.35%) Relational Database
3 23 (18.55%) Big Data
4 21 (16.94%) HBase
5 19 (15.32%) Hadoop
6 13 (10.48%) MongoDB
7 11 (8.87%) NoSQL
8 10 (8.06%) RDBMS
9 6 (4.84%) MySQL
10 4 (3.23%) Data Warehouse
10 4 (3.23%) Enterprise Data Warehouse
10 4 (3.23%) Oracle Exadata
10 4 (3.23%) Snowflake Schema
11 3 (2.42%) Oracle Database
11 3 (2.42%) Qlik Sense
11 3 (2.42%) QlikView
12 2 (1.61%) MarkLogic
13 1 (0.81%) Amazon DynamoDB
13 1 (0.81%) MariaDB
13 1 (0.81%) Oracle Database 12c
Development Applications
1 62 (50.00%) Jenkins
2 47 (37.90%) JIRA
3 40 (32.26%) Maven
4 29 (23.39%) Git (software)
5 13 (10.48%) Gradle
5 13 (10.48%) Mockito
5 13 (10.48%) Selenium
5 13 (10.48%) Sonatype Nexus
6 12 (9.68%) Subversion
7 11 (8.87%) IntelliJ
8 10 (8.06%) Hudson
9 9 (7.26%) JUnit
10 8 (6.45%) Ant
10 8 (6.45%) Cucumber
11 7 (5.65%) TeamCity
12 6 (4.84%) Eclipse
12 6 (4.84%) Vagrant
13 5 (4.03%) Build Forge
14 4 (3.23%) Appium
14 4 (3.23%) gulp
General
1 26 (20.97%) Banking
2 13 (10.48%) Finance
3 4 (3.23%) Games
3 4 (3.23%) Retail
4 3 (2.42%) Financial Institution
4 3 (2.42%) Investment Banking
4 3 (2.42%) Wholesale Banking
5 2 (1.61%) German Language
5 2 (1.61%) Marketing
6 1 (0.81%) Multimedia
6 1 (0.81%) Telecoms
Job Titles
1 93 (75.00%) Developer
2 76 (61.29%) Java Developer
3 21 (16.94%) Senior Developer
4 19 (15.32%) Senior Java Developer
5 12 (9.68%) Architect
6 7 (5.65%) Java Engineer
6 7 (5.65%) Lead Developer
6 7 (5.65%) Solutions Architect
7 6 (4.84%) Lead Java Developer
7 6 (4.84%) Scala Developer
7 6 (4.84%) Technical Leader
8 5 (4.03%) J2EE Developer
8 5 (4.03%) Java Software Engineer
8 5 (4.03%) Java Team Leader
8 5 (4.03%) Java/J2EE Developer
8 5 (4.03%) Software Engineer
9 4 (3.23%) Full Stack Developer
9 4 (3.23%) Team Leader
10 3 (2.42%) Java Architect
10 3 (2.42%) Java Software Developer
Libraries, Frameworks & Software Standards
1 88 (70.97%) Hibernate
2 84 (67.74%) Spring
3 62 (50.00%) Web Services
4 59 (47.58%) REST
5 37 (29.84%) RESTful
6 36 (29.03%) HTML
6 36 (29.03%) JSON
7 31 (25.00%) AngularJS
7 31 (25.00%) HTML5
8 30 (24.19%) Java EE
9 29 (23.39%) Spring Boot
10 28 (22.58%) Spring MVC
11 26 (20.97%) JMS
12 23 (18.55%) Guice
12 23 (18.55%) JSON Schema
13 22 (17.74%) Kafka
14 21 (16.94%) CSS
14 21 (16.94%) Samza
15 20 (16.13%) J2EE
16 16 (12.90%) XML
Miscellaneous
1 22 (17.74%) User Experience
2 11 (8.87%) Online Banking
3 9 (7.26%) Greenfield Project
4 5 (4.03%) Enterprise Software
5 4 (3.23%) Analytical Skills
6 3 (2.42%) Computer Science
7 2 (1.61%) DataPower
7 2 (1.61%) PKI
8 1 (0.81%) Algorithms
8 1 (0.81%) Blog
8 1 (0.81%) Data Structures
8 1 (0.81%) Management Information System
8 1 (0.81%) Mobile App
8 1 (0.81%) Private Cloud
8 1 (0.81%) Video Conferencing
8 1 (0.81%) Web 2.0
Operating Systems
1 29 (23.39%) Linux
2 18 (14.52%) Unix
3 6 (4.84%) Android
3 6 (4.84%) Apple iOS
4 4 (3.23%) Red Hat Enterprise Linux
4 4 (3.23%) Windows
4 4 (3.23%) Windows Server
5 2 (1.61%) Ubuntu
6 1 (0.81%) Mac OS X
Processes & Methodologies
1 86 (69.35%) Agile Software Development
2 66 (53.23%) TDD
3 54 (43.55%) BDD
4 50 (40.32%) Microservices
5 43 (34.68%) Scrum
6 37 (29.84%) MVC
7 29 (23.39%) High Availability
8 28 (22.58%) Pair Programming
9 27 (21.77%) Continuous Integration
10 25 (20.16%) Digital Transformation Programme
11 23 (18.55%) Open Source
11 23 (18.55%) Performance Testing
12 22 (17.74%) Kanban
13 18 (14.52%) DevOps
13 18 (14.52%) Low Latency
13 18 (14.52%) Test Automation
14 15 (12.10%) Multithreading
15 14 (11.29%) Event-Driven Architecture
15 14 (11.29%) Front End Development
16 13 (10.48%) Continuous Delivery
Programming Languages
1 124 (100.00%) Java
2 35 (28.23%) SQL
3 33 (26.61%) JavaScript
4 20 (16.13%) Groovy
5 8 (6.45%) Scala
6 7 (5.65%) Shell Script
7 6 (4.84%) Python
8 5 (4.03%) C++
8 5 (4.03%) PL/SQL
9 4 (3.23%) ES6
9 4 (3.23%) R
10 3 (2.42%) Perl
11 2 (1.61%) Bash Shell
12 1 (0.81%) Assembly Language
12 1 (0.81%) Ruby
12 1 (0.81%) T-SQL
12 1 (0.81%) TypeScript
Qualifications
1 8 (6.45%) Degree
2 3 (2.42%) Computer Science Degree
2 3 (2.42%) Security Cleared
3 2 (1.61%) CFA
4 1 (0.81%) SC Cleared
Quality Assurance & Compliance
1 21 (16.94%) QA
System Software
1 35 (28.23%) Docker
2 2 (1.61%) OpenAM
2 2 (1.61%) OpenIDM
Systems Management
1 12 (9.68%) Puppet
2 8 (6.45%) Ansible
3 2 (1.61%) Business Desktop Deployment
4 1 (0.81%) Kubernetes
4 1 (0.81%) Terraform
Vendors
1 32 (25.81%) Oracle
2 7 (5.65%) IBM
3 5 (4.03%) Microsoft
4 4 (3.23%) Red Hat
5 3 (2.42%) MuleSoft
6 2 (1.61%) CA
6 2 (1.61%) Citrix
6 2 (1.61%) F5
6 2 (1.61%) ForgeRock
6 2 (1.61%) Misys
6 2 (1.61%) SAP
7 1 (0.81%) Adobe
7 1 (0.81%) HP
7 1 (0.81%) hybris
7 1 (0.81%) Imperva
7 1 (0.81%) Twitter