Period
to 20 November 2017

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 6 months to 20 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 API for RESTful Web Services (JAX-RS, JSR 311, Jersey)
UK
6 months to
20 Nov 2017
Same period 2016 Same period 2015
Rank 685 741 663
Rank change year-on-year +56 -78 +71
Contract jobs citing JAX-RS 194 147 224
As % of all contract IT jobs advertised in the UK 0.19% 0.14% 0.20%
As % of the Libraries, Frameworks & Software Standards category 0.59% 0.47% 0.69%
Number of daily rates quoted 133 124 155
UK median daily rate £488 £525 £500
Median daily rate % change year-on-year -7.14% +5.00% +8.70%
10th Percentile £371 £336 £318
90th Percentile £575 £613 £575
UK excluding London median daily rate £400 £475 £430
% change year-on-year -15.79% +10.47% +1.18%
Number of hourly rates quoted 2 0 0
UK median hourly rate £43.75 - -
UK excluding London median hourly rate £43.75 - -

JAX-RS 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 with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 32796 31564 32386
As % of all contract IT jobs advertised in the UK 32.07% 30.35% 28.32%
Number of daily rates quoted 23154 21883 22196
UK median daily rate £450 £425 £410
Median daily rate % change year-on-year +5.88% +3.66% +2.50%
10th Percentile £313 £300 £275
90th Percentile £625 £588 £588
UK excluding London median daily rate £400 £388 £375
% change year-on-year +3.23% +3.33% +7.14%
Number of hourly rates quoted 380 362 558
UK median hourly rate £40.00 £37.50 £37.50
Median hourly rate % change year-on-year +6.67% - +8.70%
10th Percentile £18.45 £14.35 £15.03
90th Percentile £52.50 £51.80 £55.00
UK excluding London median hourly rate £41.00 £37.00 £37.50
% change year-on-year +10.81% -1.33% +11.48%

JAX-RS
Job Vacancy Trend

Job postings citing JAX-RS as a percentage of all IT jobs advertised.

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 6 months to 20 November 2017.

Contractor daily rate histogram for JAX-RS in the UK

JAX-RS
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for JAX-RS in the UK

JAX-RS
Top 13 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 6 months to 20 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
England +70 186 £488 -7.14% 14
London +18 112 £530 -3.64% 7
UK excluding London +50 79 £400 -15.79% 7
South East -14 21 £400 -20.08% 1
South West +25 18 £440 -
East of England -2 15 £320 -32.63% 1
West Midlands +31 11 - - 2
Midlands +24 11 - - 2
North of England +55 6 £393 -10.80% 3
Yorkshire +16 5 £393 -12.78% 1
Channel Islands +7 5 - -
Wales - 3 £450 -
North West +16 1 £415 -4.60% 2

For the 6 months to 20 November 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.

1 188 (96.91%) Java
2 115 (59.28%) REST
3 114 (58.76%) Agile Software Development
4 112 (57.73%) JUnit
5 107 (55.15%) RESTful
6 102 (52.58%) Maven
7 96 (49.48%) Microservices
8 91 (46.91%) Hibernate
9 86 (44.33%) Git (software)
10 84 (43.30%) JIRA
11 83 (42.78%) JMS
12 82 (42.27%) Unix
13 80 (41.24%) Mockito
13 80 (41.24%) WireMock
14 79 (40.72%) Relational Database
14 79 (40.72%) Java EE
15 70 (36.08%) Test Automation
15 70 (36.08%) Domain-Driven Design
15 70 (36.08%) OO
16 69 (35.57%) CQRS
17 67 (34.54%) Dependency Injection
18 62 (31.96%) OOA/OOD
18 62 (31.96%) WildFly
19 61 (31.44%) Confluence
20 60 (30.93%) RDBMS
21 56 (28.87%) Linux
22 54 (27.84%) TDD
22 54 (27.84%) Vagrant
23 53 (27.32%) Lambda Expressions
23 53 (27.32%) VMS

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 62 (31.96%) WildFly
2 61 (31.44%) Confluence
3 26 (13.40%) GlassFish
4 17 (8.76%) JBoss
4 17 (8.76%) WebSphere
5 14 (7.22%) Liferay
6 13 (6.70%) Oracle SOA Suite
7 12 (6.19%) Apache Spark
7 12 (6.19%) WebLogic
8 9 (4.64%) SharePoint
8 9 (4.64%) Tomcat
9 3 (1.55%) WebSphere Application Server
10 2 (1.03%) Adobe Experience Manager
10 2 (1.03%) Apache
11 1 (0.52%) Apache Solr
11 1 (0.52%) CMS
11 1 (0.52%) Elasticsearch
11 1 (0.52%) Jetty
11 1 (0.52%) Oracle Workflow
11 1 (0.52%) TWiki
Cloud Services
1 10 (5.15%) GitHub
2 5 (2.58%) Amazon AWS
3 3 (1.55%) SaaS
4 2 (1.03%) Microsoft Azure
5 1 (0.52%) Amazon SQS
5 1 (0.52%) AWS CloudFormation
5 1 (0.52%) npm
Communications & Networking
1 14 (7.22%) HTTP
2 1 (0.52%) HTTPS
2 1 (0.52%) SMS
Database & Business Intelligence
1 79 (40.72%) Relational Database
2 60 (30.93%) RDBMS
3 31 (15.98%) MongoDB
4 30 (15.46%) PostgreSQL
5 21 (10.82%) NoSQL
6 18 (9.28%) Oracle Database
7 15 (7.73%) MySQL
8 14 (7.22%) Oracle Database 12c
9 12 (6.19%) Apache Cassandra
9 12 (6.19%) Hadoop
9 12 (6.19%) Neo4j
9 12 (6.19%) SQL Server
10 11 (5.67%) Big Data
11 5 (2.58%) Redis
12 2 (1.03%) Data Warehouse
12 2 (1.03%) DB2
12 2 (1.03%) Oracle Database 10g
Development Applications
1 112 (57.73%) JUnit
2 102 (52.58%) Maven
3 86 (44.33%) Git (software)
4 84 (43.30%) JIRA
5 80 (41.24%) Mockito
6 54 (27.84%) Vagrant
7 52 (26.80%) SonarQube
8 51 (26.29%) Checkstyle
8 51 (26.29%) Liquibase
9 45 (23.20%) Jenkins
10 15 (7.73%) Ant
11 12 (6.19%) Sonatype Nexus
12 11 (5.67%) Gradle
12 11 (5.67%) Hudson
12 11 (5.67%) JBehave
13 10 (5.15%) Atlassian Bamboo
13 10 (5.15%) JProfiler
13 10 (5.15%) SoapUI
13 10 (5.15%) VisualVM
13 10 (5.15%) YourKit
General
1 22 (11.34%) Finance
2 7 (3.61%) Banking
3 6 (3.09%) Automotive
4 4 (2.06%) Front Office
4 4 (2.06%) International Banking
5 3 (1.55%) Marketing
5 3 (1.55%) Telecoms
6 2 (1.03%) Pharmaceutical
7 1 (0.52%) Aerospace
7 1 (0.52%) Legal
7 1 (0.52%) Manufacturing
7 1 (0.52%) Publishing
Job Titles
1 171 (88.14%) Developer
2 147 (75.77%) Java Developer
3 37 (19.07%) Senior Developer
4 27 (13.92%) SC Cleared Java Developer
5 20 (10.31%) Senior Java Developer
6 13 (6.70%) Digital Developer
7 11 (5.67%) Architect
8 9 (4.64%) Lead Developer
9 8 (4.12%) Lead Java Developer
9 8 (4.12%) Software Engineer
10 7 (3.61%) J2EE Developer
11 6 (3.09%) Full Stack Developer
11 6 (3.09%) Senior J2EE Developer
11 6 (3.09%) Software Architect
12 5 (2.58%) Java Architect
12 5 (2.58%) Java Engineer
12 5 (2.58%) Java Software Engineer
13 4 (2.06%) Agile Java Developer
13 4 (2.06%) Java Team Leader
13 4 (2.06%) Team Leader
Libraries, Frameworks & Software Standards
1 115 (59.28%) REST
2 107 (55.15%) RESTful
3 91 (46.91%) Hibernate
4 83 (42.78%) JMS
5 80 (41.24%) WireMock
6 79 (40.72%) Java EE
7 53 (27.32%) Drools
7 53 (27.32%) Lambda Expressions
7 53 (27.32%) Spring
8 40 (20.62%) Web Services
9 34 (17.53%) HTML
10 30 (15.46%) JPA
11 27 (13.92%) JAXB
11 27 (13.92%) SOAP
11 27 (13.92%) XML
12 26 (13.40%) AngularJS
13 25 (12.89%) JAX-WS
14 22 (11.34%) CSS
14 22 (11.34%) EJB
15 20 (10.31%) Dropwizard
Miscellaneous
1 51 (26.29%) Linux Command Line
2 15 (7.73%) Enterprise Software
3 12 (6.19%) Mobile App
4 9 (4.64%) Foreign Exchange (FX)
5 5 (2.58%) Computer Science
5 5 (2.58%) iSeries
6 2 (1.03%) Analytical Skills
6 2 (1.03%) Greenfield Project
6 2 (1.03%) User Experience
7 1 (0.52%) Clustering
7 1 (0.52%) iPad
7 1 (0.52%) Replication
7 1 (0.52%) Taxonomies
Operating Systems
1 82 (42.27%) Unix
2 56 (28.87%) Linux
3 53 (27.32%) VMS
4 11 (5.67%) Android
4 11 (5.67%) Apple iOS
4 11 (5.67%) Mac OS X
5 2 (1.03%) CentOS
5 2 (1.03%) Mac OS
5 2 (1.03%) Red Hat Enterprise Linux
6 1 (0.52%) Solaris
6 1 (0.52%) Windows
Processes & Methodologies
1 114 (58.76%) Agile Software Development
2 96 (49.48%) Microservices
3 70 (36.08%) Domain-Driven Design
3 70 (36.08%) OO
3 70 (36.08%) Test Automation
4 69 (35.57%) CQRS
5 67 (34.54%) Dependency Injection
6 62 (31.96%) OOA/OOD
7 54 (27.84%) TDD
8 44 (22.68%) Continuous Integration
9 32 (16.49%) Unit Testing
10 25 (12.89%) Scrum
11 22 (11.34%) Software Engineering
12 21 (10.82%) Functional Testing
13 18 (9.28%) BDD
13 18 (9.28%) Integration Testing
14 15 (7.73%) Kanban
15 14 (7.22%) SOA
16 13 (6.70%) Continuous Deployment
17 12 (6.19%) API Development
Programming Languages
1 188 (96.91%) Java
2 51 (26.29%) JPQL
3 49 (25.26%) SQL
4 30 (15.46%) JavaScript
5 16 (8.25%) Scala
6 14 (7.22%) PL/SQL
7 5 (2.58%) Groovy
8 4 (2.06%) Python
8 4 (2.06%) Ruby
9 3 (1.55%) Go
9 3 (1.55%) Shell Script
9 3 (1.55%) TypeScript
10 2 (1.03%) C
10 2 (1.03%) C#
10 2 (1.03%) Perl
11 1 (0.52%) ES6
11 1 (0.52%) Kotlin
Qualifications
1 46 (23.71%) Security Cleared
2 28 (14.43%) SC Cleared
3 21 (10.82%) BPSS Clearance
4 16 (8.25%) Degree
5 2 (1.03%) DV Cleared
5 2 (1.03%) ISEB
5 2 (1.03%) ISTQB
Quality Assurance & Compliance
1 3 (1.55%) QA
System Software
1 17 (8.76%) Docker
2 1 (0.52%) Active Directory
Systems Management
1 3 (1.55%) Kubernetes
2 1 (0.52%) Ansible
2 1 (0.52%) Opscode Chef
2 1 (0.52%) Puppet
Vendors
1 41 (21.13%) Oracle
2 17 (8.76%) IBM
3 14 (7.22%) HP
4 9 (4.64%) CA
4 9 (4.64%) CA Agile Central
5 2 (1.03%) Adobe
6 1 (0.52%) Microsoft
6 1 (0.52%) SAP