Period
to 18 November 2017

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 6 months to 18 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)
England > London
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 515 537 476
Rank change year-on-year +22 -61 +64
Contract jobs citing JAX-RS 111 82 141
As % of all contract IT jobs advertised in London 0.24% 0.18% 0.30%
As % of the Libraries, Frameworks & Software Standards category 0.64% 0.53% 0.93%
Number of daily rates quoted 79 63 86
London median daily rate £530 £550 £500
Median daily rate % change year-on-year -3.64% +10.00% +5.26%
10th Percentile £435 £380 £325
90th Percentile £575 £621 £588
England median daily rate £488 £525 £500
% change year-on-year -7.14% +5.00% +7.82%
Number of hourly rates quoted 0 0 0
London median hourly rate - - -
England 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 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 17269 15562 15183
As % of all contract IT jobs advertised in London 37.10% 34.40% 32.19%
Number of daily rates quoted 13196 11655 11304
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 101 72 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 £19.00 £19.23 £14.25
90th Percentile £50.00 £57.44 £58.75
England median hourly rate £40.00 £37.50 £37.50
% change year-on-year +6.67% - +9.49%

JAX-RS
Job Vacancy Trend in London

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

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 6 months to 18 November 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 6 months to 18 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
South London +13 42 £530 -
Central London -6 4 £575 +5.99% 3
East London -4 2 £480 -4.00%
West London -9 1 £493 -7.51%
JAX-RS
England

For the 6 months to 18 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 across the London region with a requirement for JAX-RS.

1 111 (100.00%) Java
2 85 (76.58%) Microservices
3 80 (72.07%) RESTful
3 80 (72.07%) JUnit
4 78 (70.27%) Mockito
5 77 (69.37%) Agile Software Development
6 75 (67.57%) REST
7 68 (61.26%) WireMock
7 68 (61.26%) Domain-Driven Design
7 68 (61.26%) JMS
8 67 (60.36%) CQRS
9 64 (57.66%) Maven
10 63 (56.76%) JIRA
11 60 (54.05%) Git (software)
11 60 (54.05%) Confluence
12 56 (50.45%) Hibernate
13 55 (49.55%) Test Automation
14 54 (48.65%) Dependency Injection
14 54 (48.65%) Unix
14 54 (48.65%) OO
15 53 (47.75%) Vagrant
16 52 (46.85%) Relational Database
16 52 (46.85%) OOA/OOD
16 52 (46.85%) VMS
16 52 (46.85%) Drools
16 52 (46.85%) Java EE
17 50 (45.05%) Checkstyle
17 50 (45.05%) RDBMS
17 50 (45.05%) SonarQube
17 50 (45.05%) JPQL

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 60 (54.05%) Confluence
2 49 (44.14%) WildFly
3 3 (2.70%) WebLogic
4 2 (1.80%) GlassFish
4 2 (1.80%) Oracle SOA Suite
5 1 (0.90%) Apache
5 1 (0.90%) Apache Solr
5 1 (0.90%) Apache Spark
5 1 (0.90%) Liferay
5 1 (0.90%) Oracle Workflow
5 1 (0.90%) Tomcat
Cloud Services
1 3 (2.70%) Amazon AWS
1 3 (2.70%) SaaS
2 1 (0.90%) npm
Communications & Networking
1 4 (3.60%) HTTP
Database & Business Intelligence
1 52 (46.85%) Relational Database
2 50 (45.05%) RDBMS
3 7 (6.31%) MongoDB
4 6 (5.41%) NoSQL
5 5 (4.50%) PostgreSQL
6 4 (3.60%) MySQL
6 4 (3.60%) Oracle Database
7 3 (2.70%) Neo4j
7 3 (2.70%) SQL Server
8 2 (1.80%) Data Warehouse
8 2 (1.80%) Oracle Database 10g
9 1 (0.90%) Oracle Database 12c
9 1 (0.90%) Redis
Development Applications
1 80 (72.07%) JUnit
2 78 (70.27%) Mockito
3 64 (57.66%) Maven
4 63 (56.76%) JIRA
5 60 (54.05%) Git (software)
6 53 (47.75%) Vagrant
7 50 (45.05%) Checkstyle
7 50 (45.05%) SonarQube
8 49 (44.14%) Liquibase
9 17 (15.32%) Jenkins
10 10 (9.01%) Sonatype Nexus
11 3 (2.70%) Cucumber
12 1 (0.90%) DbUnit
12 1 (0.90%) Gradle
12 1 (0.90%) gulp
12 1 (0.90%) Jasmine
12 1 (0.90%) Karma Test Runner
12 1 (0.90%) Mocha
12 1 (0.90%) Protractor
12 1 (0.90%) Subversion
General
1 7 (6.31%) Finance
2 4 (3.60%) Front Office
3 3 (2.70%) Telecoms
4 2 (1.80%) Pharmaceutical
5 1 (0.90%) Aerospace
Job Titles
1 94 (84.68%) Developer
2 90 (81.08%) Java Developer
3 26 (23.42%) SC Cleared Java Developer
4 19 (17.12%) Senior Developer
4 19 (17.12%) Senior Java Developer
5 9 (8.11%) Architect
5 9 (8.11%) Lead Developer
6 8 (7.21%) Lead Java Developer
7 6 (5.41%) Full Stack Developer
7 6 (5.41%) Software Architect
8 4 (3.60%) Agile Developer
8 4 (3.60%) Agile Java Developer
8 4 (3.60%) Java Architect
8 4 (3.60%) Java Team Leader
8 4 (3.60%) Team Leader
9 2 (1.80%) 3rd Line Support Engineer
9 2 (1.80%) Java Software Developer
9 2 (1.80%) Software Developer
9 2 (1.80%) Software Engineer
9 2 (1.80%) Software Support Engineer
Libraries, Frameworks & Software Standards
1 80 (72.07%) RESTful
2 75 (67.57%) REST
3 68 (61.26%) JMS
3 68 (61.26%) WireMock
4 56 (50.45%) Hibernate
5 52 (46.85%) Drools
5 52 (46.85%) Java EE
6 50 (45.05%) Lambda Expressions
7 17 (15.32%) AngularJS
8 16 (14.41%) Spring
9 10 (9.01%) HTML
10 7 (6.31%) CSS
10 7 (6.31%) Dropwizard
10 7 (6.31%) HTML5
11 6 (5.41%) React
12 5 (4.50%) JAX-WS
12 5 (4.50%) Node.js
12 5 (4.50%) Swagger
12 5 (4.50%) Web Services
13 4 (3.60%) XML
Miscellaneous
1 50 (45.05%) Linux Command Line
2 5 (4.50%) Foreign Exchange (FX)
3 2 (1.80%) Computer Science
4 1 (0.90%) Greenfield Project
4 1 (0.90%) iPad
4 1 (0.90%) Mobile App
4 1 (0.90%) Taxonomies
Operating Systems
1 54 (48.65%) Unix
2 52 (46.85%) VMS
3 12 (10.81%) Linux
4 2 (1.80%) Mac OS X
5 1 (0.90%) Mac OS
Processes & Methodologies
1 85 (76.58%) Microservices
2 77 (69.37%) Agile Software Development
3 68 (61.26%) Domain-Driven Design
4 67 (60.36%) CQRS
5 55 (49.55%) Test Automation
6 54 (48.65%) Dependency Injection
6 54 (48.65%) OO
7 52 (46.85%) OOA/OOD
8 18 (16.22%) Continuous Integration
8 18 (16.22%) Integration Testing
9 13 (11.71%) TDD
10 11 (9.91%) API Development
11 10 (9.01%) Pair Programming
12 8 (7.21%) Continuous Delivery
12 8 (7.21%) DevOps
12 8 (7.21%) Scrum
13 7 (6.31%) MVC
14 6 (5.41%) BDD
15 5 (4.50%) Software Engineering
16 4 (3.60%) Kanban
Programming Languages
1 111 (100.00%) Java
2 50 (45.05%) JPQL
3 11 (9.91%) JavaScript
4 9 (8.11%) SQL
5 5 (4.50%) Scala
6 4 (3.60%) Python
6 4 (3.60%) Ruby
7 2 (1.80%) C
7 2 (1.80%) C#
7 2 (1.80%) TypeScript
8 1 (0.90%) ES6
8 1 (0.90%) Go
8 1 (0.90%) PL/SQL
Qualifications
1 43 (38.74%) Security Cleared
2 27 (24.32%) SC Cleared
3 20 (18.02%) BPSS Clearance
4 2 (1.80%) DV Cleared
4 2 (1.80%) ISEB
4 2 (1.80%) ISTQB
Quality Assurance & Compliance
1 3 (2.70%) QA
System Software
1 5 (4.50%) Docker
Systems Management
1 3 (2.70%) Kubernetes
2 1 (0.90%) Ansible
2 1 (0.90%) Opscode Chef
2 1 (0.90%) Puppet
Vendors
1 7 (6.31%) Oracle
2 2 (1.80%) IBM
3 1 (0.90%) HP