The following table provides summary statistics for contract job vacancies advertised in London with a requirement for JAX-RS skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JAX-RS over the 3 months to 23 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 API for RESTful Web Services (JAX-RS, JSR 311, Jersey)
England / London
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 390 374 388
Rank change year-on-year -16 +14  
Contract jobs citing JAX-RS 32 53 35
As % of all contract IT jobs advertised in London 0.15% 0.25% 0.15%
As % of the Libraries, Frameworks & Software Standards category 0.43% 0.76% 0.48%
Number of daily rates quoted 23 43 18
Median daily rate £475 £518 £500
Median daily rate % change year-on-year -8.21% +3.50%  
90% offered a daily rate of more than £400 £330 £370
10% offered a daily rate of more than £575 £540 £525
UK excluding London median daily rate £450 £500 £400
% change year-on-year -10.00% +25.00%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

JAX-RS 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 7413 7002 7336
As % of all contract IT job vacancies advertised in London 35.85% 32.37% 31.31%
Number of daily rates quoted 5507 5376 5334
Median daily rate £480 £450 £425
Median daily rate % change year-on-year +6.66% +5.88%  
90% offered a daily rate of more than £350 £325 £300
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 54 23 51
Median hourly rate £30.00 £40.00 £22.50
Median hourly rate % change year-on-year -25.00% +77.77%  
90% offered a hourly rate of more than £16.00 £20.00 £16.17
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%  

JAX-RS
Job Vacancy Trend in London

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

Job vacancy trend for JAX-RS in London

JAX-RS
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for JAX-RS in London

JAX-RS
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing JAX-RS in London over the 3 months to 23 June 2017.

Contractor daily rate histogram for JAX-RS in London

JAX-RS
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 JAX-RS within the London region over the 3 months to 23 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 +2 5 £545 +45.33% 1
Croydon -5 3 £450 -10.00%
JAX-RS
England

For the 6 months to 23 June 2017, IT contractor jobs citing JAX-RS 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 JAX-RS.

1 47 (100.00%) Java
2 27 (57.45%) Spring
2 27 (57.45%) REST
3 24 (51.06%) Agile Software Development
4 23 (48.94%) Microservices
5 15 (31.91%) DevOps
5 15 (31.91%) Finance
6 14 (29.79%) HTML
6 14 (29.79%) Web Services
7 13 (27.66%) MongoDB
7 13 (27.66%) Git (software)
7 13 (27.66%) Dropwizard
8 12 (25.53%) Linux
8 12 (25.53%) Scrum
8 12 (25.53%) TDD
9 11 (23.40%) Hibernate
9 11 (23.40%) Continuous Integration
9 11 (23.40%) XML
9 11 (23.40%) HTML5
9 11 (23.40%) Jenkins
10 10 (21.28%) Continuous Delivery
10 10 (21.28%) RESTful
10 10 (21.28%) Swagger
10 10 (21.28%) SQL
10 10 (21.28%) JAX-WS
11 9 (19.15%) Oracle
11 9 (19.15%) Cucumber
11 9 (19.15%) AngularJS
12 8 (17.02%) Continuous Deployment
12 8 (17.02%) JavaScript

JAX-RS
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 5 (10.64%) Tomcat
1 5 (10.64%) WebSphere
2 3 (6.38%) CMS
2 3 (6.38%) CoreMedia CMS
2 3 (6.38%) JBoss
2 3 (6.38%) Oracle SOA Suite
2 3 (6.38%) WebLogic
3 2 (4.26%) Apache
3 2 (4.26%) Elasticsearch
3 2 (4.26%) nginx
4 1 (2.13%) GlassFish
4 1 (2.13%) Liferay
Cloud Services
1 1 (2.13%) GitHub
Communications & Networking
1 1 (2.13%) HTTP
Database & Business Intelligence
1 13 (27.66%) MongoDB
2 5 (10.64%) NoSQL
3 4 (8.51%) PostgreSQL
4 3 (6.38%) MySQL
4 3 (6.38%) Oracle Database
4 3 (6.38%) Oracle Database 10g
5 2 (4.26%) DB2
5 2 (4.26%) Relational Database
6 1 (2.13%) Neo4j
6 1 (2.13%) Oracle Database 11g
6 1 (2.13%) RDBMS
6 1 (2.13%) SQL Server
6 1 (2.13%) Sybase IQ
Development Applications
1 13 (27.66%) Git (software)
2 11 (23.40%) Jenkins
3 9 (19.15%) Cucumber
4 8 (17.02%) JUnit
5 7 (14.89%) Mockito
6 4 (8.51%) Subversion
7 3 (6.38%) JIRA
7 3 (6.38%) Maven
8 2 (4.26%) Atlassian Bamboo
8 2 (4.26%) Bitbucket
8 2 (4.26%) Checkstyle
8 2 (4.26%) FindBugs
8 2 (4.26%) FitNesse
8 2 (4.26%) Selenium
8 2 (4.26%) SonarQube
9 1 (2.13%) Babel
9 1 (2.13%) DbUnit
9 1 (2.13%) gulp
9 1 (2.13%) Protractor
9 1 (2.13%) Sonatype Nexus
General
1 15 (31.91%) Finance
2 3 (6.38%) Publishing
3 2 (4.26%) Banking
3 2 (4.26%) Marketing
4 1 (2.13%) Front Office
4 1 (2.13%) Law
4 1 (2.13%) Legal
4 1 (2.13%) Pharmaceutical
Job Titles
1 41 (87.23%) Developer
2 37 (78.72%) Java Developer
3 12 (25.53%) Senior Developer
4 11 (23.40%) Senior Java Developer
5 8 (17.02%) Agile Developer
5 8 (17.02%) Agile Java Developer
6 5 (10.64%) Consultant
6 5 (10.64%) Java Consultant
6 5 (10.64%) Senior Agile Developer
6 5 (10.64%) Senior Agile Java Developer
7 4 (8.51%) Architect
8 3 (6.38%) MongoDB Developer
9 2 (4.26%) 3rd Line Engineer
9 2 (4.26%) 3rd Line Support
9 2 (4.26%) 3rd Line Support Engineer
9 2 (4.26%) CMS Developer
9 2 (4.26%) Full Stack Developer
9 2 (4.26%) Senior Architect
9 2 (4.26%) Software Support Engineer
9 2 (4.26%) Support Engineer
Libraries, Frameworks & Software Standards
1 27 (57.45%) REST
1 27 (57.45%) Spring
2 14 (29.79%) HTML
2 14 (29.79%) Web Services
3 13 (27.66%) Dropwizard
4 11 (23.40%) Hibernate
4 11 (23.40%) HTML5
4 11 (23.40%) XML
5 10 (21.28%) JAX-WS
5 10 (21.28%) RESTful
5 10 (21.28%) Swagger
6 9 (19.15%) AngularJS
7 8 (17.02%) SOAP
8 7 (14.89%) J2EE
8 7 (14.89%) JSP
8 7 (14.89%) Servlets
9 6 (12.77%) Java EE
10 5 (10.64%) EJB
10 5 (10.64%) Struts
10 5 (10.64%) XSD
Miscellaneous
1 7 (14.89%) Greenfield Project
2 4 (8.51%) Foreign Exchange (FX)
3 3 (6.38%) Computer Science
3 3 (6.38%) User Experience
4 2 (4.26%) Social Media
Operating Systems
1 12 (25.53%) Linux
2 1 (2.13%) Mac OS X
2 1 (2.13%) Unix
Processes & Methodologies
1 24 (51.06%) Agile Software Development
2 23 (48.94%) Microservices
3 15 (31.91%) DevOps
4 12 (25.53%) Scrum
4 12 (25.53%) TDD
5 11 (23.40%) Continuous Integration
6 10 (21.28%) Continuous Delivery
7 8 (17.02%) Continuous Deployment
8 7 (14.89%) MVC
9 5 (10.64%) BDD
9 5 (10.64%) CQRS
9 5 (10.64%) Domain-Driven Design
9 5 (10.64%) Kanban
9 5 (10.64%) Pair Programming
10 4 (8.51%) Integration Testing
10 4 (8.51%) Unit Testing
11 3 (6.38%) Infrastructure Management
11 3 (6.38%) Software Architecture
11 3 (6.38%) System Integration Testing
11 3 (6.38%) Website Architecture
Programming Languages
1 47 (100.00%) Java
2 10 (21.28%) SQL
3 8 (17.02%) JavaScript
4 5 (10.64%) Python
4 5 (10.64%) Ruby
4 5 (10.64%) Scala
5 2 (4.26%) C
5 2 (4.26%) C#
5 2 (4.26%) C++
5 2 (4.26%) ES6
5 2 (4.26%) TypeScript
6 1 (2.13%) ECMAScript
6 1 (2.13%) PHP
Qualifications
1 6 (12.77%) Security Cleared
2 3 (6.38%) BPSS Clearance
3 2 (4.26%) DV Cleared
4 1 (2.13%) SC Cleared
Quality Assurance & Compliance
1 4 (8.51%) QA
Systems Management
1 2 (4.26%) Grafana
Vendors
1 9 (19.15%) Oracle
2 3 (6.38%) Adobe
2 3 (6.38%) FatWire
2 3 (6.38%) IBM
2 3 (6.38%) Interwoven
2 3 (6.38%) Lotus
2 3 (6.38%) OpenText
2 3 (6.38%) Percussion
2 3 (6.38%) Vignette
3 2 (4.26%) Splunk
4 1 (2.13%) CA Agile Central
4 1 (2.13%) Sybase
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