The following table provides summary statistics for contract job vacancies 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)
UK
3 months to
23 Jun 2017
Same period 2016 Same period 2015
Rank 542 560 556
Rank change year-on-year +18 -4  
Contract jobs citing JAX-RS 60 83 83
As % of all contract IT jobs advertised in the UK 0.13% 0.15% 0.15%
As % of the Libraries, Frameworks & Software Standards category 0.40% 0.54% 0.54%
Number of daily rates quoted 36 69 49
Median daily rate £475 £518 £425
Median daily rate % change year-on-year -8.21% +21.76%  
90% offered a daily rate of more than £363 £395 £345
10% offered a daily rate of more than £550 £575 £513
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 with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
UK
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 15019 15261 15400
As % of all contract IT job vacancies advertised in the UK 32.08% 28.36% 27.40%
Number of daily rates quoted 10384 10752 10284
Median daily rate £427 £420 £388
Median daily rate % change year-on-year +1.66% +8.38%  
90% offered a daily rate of more than £315 £300 £280
10% offered a daily rate of more than £580 £550 £550
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 199 178 208
Median hourly rate £41.50 £36.50 £37.00
Median hourly rate % change year-on-year +13.69% -1.35%  
90% offered a hourly rate of more than £19.82 £16.60 £17.68
10% offered a hourly rate of more than £52.50 £51.00 £55.00
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

The job posting trend of jobs advertised 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 the UK

JAX-RS
Contractor Daily Rate Trend

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

Contractor daily rate trend for JAX-RS in the UK

JAX-RS
Contractor Daily Rate Histogram

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

Contractor daily rate histogram for JAX-RS in the UK

JAX-RS
Top 27 Contract Locations

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 UK 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
England +2 53 £475 -8.21% 19
London -16 32 £475 -8.21% 6
South West +13 9 £413 -15.38%
Devon - 8 £425 -
Channel Islands - 6 - -
Jersey - 6 - -
City of London +2 5 £545 +45.33% 1
Exeter - 4 £318 -
Croydon -5 3 £450 -10.00%
South East -10 3 £495 -1.00% 1
Plymouth - 3 £475 -
West Midlands - 3 - - 2
East of England - 3 £446 - 5
Oxfordshire -16 2 £525 -4.54%
Warwick - 2 - - 1
Warwickshire - 2 - - 1
Essex - 2 £446 - 1
North West +23 1 £450 -14.28% 1
Berkshire +19 1 £465 +16.25%
Bristol -3 1 £400 -17.94%
Coventry - 1 - - 1
Liverpool - 1 £450 -
Merseyside - 1 £450 -
Slough - 1 £465 -
Southend-on-Sea - 1 £472 -
Oxford - 1 £525 -
Cambridgeshire - 1 - -

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 with a requirement for JAX-RS.

1 98 (98.99%) Java
2 63 (63.64%) REST
3 57 (57.58%) Spring
3 57 (57.58%) Agile Software Development
4 42 (42.42%) MongoDB
5 41 (41.41%) Hibernate
5 41 (41.41%) Microservices
6 38 (38.38%) Linux
7 37 (37.37%) HTML
8 36 (36.36%) Scrum
8 36 (36.36%) Dropwizard
9 35 (35.35%) Git (software)
10 30 (30.30%) Test Automation
11 28 (28.28%) Unix
12 27 (27.27%) JUnit
12 27 (27.27%) Continuous Deployment
13 26 (26.26%) Maven
13 26 (26.26%) JSON
14 25 (25.25%) TDD
15 23 (23.23%) Finance
15 23 (23.23%) HTTP
15 23 (23.23%) Relational Database
16 22 (22.22%) Web Services
16 22 (22.22%) RESTful
17 21 (21.21%) Neo4j
18 20 (20.20%) Responsive Web Design
18 20 (20.20%) Software Engineering
18 20 (20.20%) XML
18 20 (20.20%) SQL
18 20 (20.20%) Mac OS X

JAX-RS
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 11 (11.11%) Tomcat
2 9 (9.09%) JBoss
2 9 (9.09%) WebSphere
3 7 (7.07%) Oracle SOA Suite
4 6 (6.06%) WebLogic
5 4 (4.04%) Confluence
5 4 (4.04%) Elasticsearch
5 4 (4.04%) GlassFish
5 4 (4.04%) Jetty
5 4 (4.04%) WildFly
6 3 (3.03%) Apache
6 3 (3.03%) Apache Spark
6 3 (3.03%) CMS
6 3 (3.03%) CoreMedia CMS
6 3 (3.03%) WebSphere Application Server
7 2 (2.02%) Adobe Experience Manager
7 2 (2.02%) nginx
8 1 (1.01%) Apache TomEE
8 1 (1.01%) Liferay
8 1 (1.01%) Oracle Workflow
Business Applications
1 1 (1.01%) Oracle BPM
Cloud Services
1 7 (7.07%) GitHub
2 1 (1.01%) Microsoft Azure
Communications & Networking
1 23 (23.23%) HTTP
2 1 (1.01%) HTTPS
2 1 (1.01%) SMS
Database & Business Intelligence
1 42 (42.42%) MongoDB
2 23 (23.23%) Relational Database
3 21 (21.21%) Neo4j
4 14 (14.14%) NoSQL
5 9 (9.09%) PostgreSQL
6 6 (6.06%) MySQL
7 5 (5.05%) Oracle Database
7 5 (5.05%) Oracle Database 10g
8 3 (3.03%) Apache Cassandra
8 3 (3.03%) Big Data
8 3 (3.03%) Hadoop
8 3 (3.03%) Oracle Database 11g
8 3 (3.03%) Redis
9 2 (2.02%) DB2
9 2 (2.02%) RDBMS
9 2 (2.02%) SQL Server
9 2 (2.02%) Sybase IQ
10 1 (1.01%) Oracle Database 12c
Development Applications
1 35 (35.35%) Git (software)
2 27 (27.27%) JUnit
3 26 (26.26%) Maven
4 19 (19.19%) Jenkins
5 18 (18.18%) JIRA
6 17 (17.17%) Cucumber
7 14 (14.14%) Eclipse
8 9 (9.09%) Mockito
9 7 (7.07%) Subversion
10 6 (6.06%) Atlassian Bamboo
11 5 (5.05%) Selenium
12 4 (4.04%) JProfiler
12 4 (4.04%) VisualVM
12 4 (4.04%) YourKit
13 3 (3.03%) Bitbucket
13 3 (3.03%) Gradle
13 3 (3.03%) Hudson
13 3 (3.03%) IntelliJ
13 3 (3.03%) JBehave
13 3 (3.03%) SoapUI
General
1 23 (23.23%) Finance
2 10 (10.10%) Banking
3 8 (8.08%) International Banking
4 4 (4.04%) Marketing
5 3 (3.03%) Legal
5 3 (3.03%) Publishing
6 1 (1.01%) Automotive
6 1 (1.01%) Billing
6 1 (1.01%) Front Office
6 1 (1.01%) Law
6 1 (1.01%) Pharmaceutical
Job Titles
1 81 (81.82%) Developer
2 72 (72.73%) Java Developer
3 17 (17.17%) Senior Developer
4 13 (13.13%) Senior Java Developer
5 10 (10.10%) Software Engineer
6 9 (9.09%) Java Engineer
7 8 (8.08%) Agile Developer
7 8 (8.08%) Agile Java Developer
7 8 (8.08%) Java Software Engineer
8 5 (5.05%) Architect
8 5 (5.05%) Consultant
8 5 (5.05%) Digital Developer
8 5 (5.05%) Java Consultant
8 5 (5.05%) Senior Agile Developer
8 5 (5.05%) Senior Agile Java Developer
9 3 (3.03%) Junior
9 3 (3.03%) Junior Developer
9 3 (3.03%) Junior Java Developer
9 3 (3.03%) MongoDB Developer
10 2 (2.02%) 3rd Line Engineer
Libraries, Frameworks & Software Standards
1 63 (63.64%) REST
2 57 (57.58%) Spring
3 41 (41.41%) Hibernate
4 37 (37.37%) HTML
5 36 (36.36%) Dropwizard
6 26 (26.26%) JSON
7 22 (22.22%) RESTful
7 22 (22.22%) Web Services
8 20 (20.20%) XML
9 18 (18.18%) SOAP
10 16 (16.16%) JAX-WS
10 16 (16.16%) Spring Boot
11 15 (15.15%) AngularJS
12 11 (11.11%) HTML5
12 11 (11.11%) Java EE
12 11 (11.11%) JMS
12 11 (11.11%) JPA
13 10 (10.10%) Struts
13 10 (10.10%) Swagger
14 9 (9.09%) XSD
Miscellaneous
1 12 (12.12%) Foreign Exchange (FX)
2 8 (8.08%) iSeries
3 7 (7.07%) Greenfield Project
4 5 (5.05%) User Experience
5 4 (4.04%) Analytical Skills
5 4 (4.04%) Computer Science
6 3 (3.03%) Mobile App
7 2 (2.02%) Clustering
7 2 (2.02%) Enterprise Software
7 2 (2.02%) Replication
7 2 (2.02%) Social Media
8 1 (1.01%) Client/Server
8 1 (1.01%) Management Information System
Operating Systems
1 38 (38.38%) Linux
2 28 (28.28%) Unix
3 20 (20.20%) Mac OS X
4 3 (3.03%) Android
4 3 (3.03%) Apple iOS
5 2 (2.02%) Solaris
5 2 (2.02%) Windows
Processes & Methodologies
1 57 (57.58%) Agile Software Development
2 41 (41.41%) Microservices
3 36 (36.36%) Scrum
4 30 (30.30%) Test Automation
5 27 (27.27%) Continuous Deployment
6 25 (25.25%) TDD
7 20 (20.20%) Configuration Management
7 20 (20.20%) Responsive Web Design
7 20 (20.20%) Software Engineering
8 19 (19.19%) Continuous Integration
8 19 (19.19%) Web Design
9 18 (18.18%) DevOps
10 15 (15.15%) Unit Testing
11 12 (12.12%) BDD
12 11 (11.11%) MVC
13 10 (10.10%) Continuous Delivery
14 8 (8.08%) Cash Management
14 8 (8.08%) Kanban
14 8 (8.08%) SOA
15 7 (7.07%) Functional Testing
Programming Languages
1 98 (98.99%) Java
2 20 (20.20%) SQL
3 16 (16.16%) JavaScript
4 8 (8.08%) Scala
5 6 (6.06%) Go
6 5 (5.05%) Python
6 5 (5.05%) Ruby
7 3 (3.03%) TypeScript
8 2 (2.02%) C
8 2 (2.02%) C#
8 2 (2.02%) C++
8 2 (2.02%) ES6
9 1 (1.01%) ECMAScript
9 1 (1.01%) Groovy
9 1 (1.01%) PHP
9 1 (1.01%) PL/SQL
Qualifications
1 10 (10.10%) Security Cleared
2 7 (7.07%) BPSS Clearance
3 5 (5.05%) Degree
4 2 (2.02%) DV Cleared
5 1 (1.01%) SC Cleared
Quality Assurance & Compliance
1 4 (4.04%) QA
2 3 (3.03%) Disclosure Scotland
System Software
1 5 (5.05%) Docker
2 2 (2.02%) Active Directory
Systems Management
1 4 (4.04%) Ansible
2 3 (3.03%) Puppet
3 2 (2.02%) Grafana
3 2 (2.02%) Terraform
4 1 (1.01%) Opscode Chef
Vendors
1 18 (18.18%) Oracle
2 14 (14.14%) IBM
3 5 (5.05%) Adobe
4 3 (3.03%) FatWire
4 3 (3.03%) Interwoven
4 3 (3.03%) Lotus
4 3 (3.03%) OpenText
4 3 (3.03%) Percussion
4 3 (3.03%) Vignette
5 2 (2.02%) Splunk
5 2 (2.02%) Sybase
6 1 (1.01%) Atlassian
6 1 (1.01%) BEA
6 1 (1.01%) CA Agile Central
6 1 (1.01%) SAP
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