The following table provides summary statistics for contract job vacancies advertised in Wales with a requirement for JSON skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JSON over the 3 months to 30 March 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.

JSON
UK / Wales
3 months to
30 Mar 2017
Same period 2016 Same period 2015
Rank 49 70 60
Rank change year-on-year +21 -10  
Contract jobs citing JSON 14 1 4
As % of all contract IT jobs advertised in Wales 1.96% 0.15% 0.55%
As % of the Libraries, Frameworks & Software Standards category 6.76% 0.38% 2.25%
Number of daily rates quoted 11 1 3
Median daily rate £400 £388 £388
Median daily rate % change year-on-year +3.22% -  
90% offered a daily rate of more than £385 £388 £358
10% offered a daily rate of more than £425 £388 £438
UK excluding London median daily rate £413 £375 £350
% change year-on-year +10.00% +7.14%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £37.00 £55.00 £37.50
% change year-on-year -32.72% +46.66%  

JSON 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 Wales with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
Wales
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 207 262 178
As % of all contract IT job vacancies advertised in Wales 29.03% 40.06% 24.69%
Number of daily rates quoted 168 179 100
Median daily rate £385 £375 £350
Median daily rate % change year-on-year +2.66% +7.14%  
90% offered a daily rate of more than £200 £275 £263
10% offered a daily rate of more than £500 £473 £425
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 1 5 2
Median hourly rate £16.50 £66.00 £32.50
Median hourly rate % change year-on-year -75.00% +103.07%  
UK excluding London median hourly rate £41.00 £38.00 £36.00
% change year-on-year +7.89% +5.55%  

JSON
Job Vacancy Trend in Wales

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

Job vacancy trend for JSON in Wales

JSON
Contractor Daily Rate Trend in Wales

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

Contractor daily rate trend for JSON in Wales

JSON
Contractor Daily Rate Histogram in Wales

The daily rate distribution of IT jobs citing JSON in Wales over the 3 months to 30 March 2017.

Contractor daily rate histogram for JSON in Wales

JSON
Contract Job Locations in Wales

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the Wales region over the 3 months to 30 March 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
South Wales +27 12 £400 +3.22% 2
JSON
UK

For the 6 months to 30 March 2017, IT contractor jobs citing JSON 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 Wales region with a requirement for JSON.

1 62 (96.88%) Java
2 55 (85.94%) Agile Software Development
3 54 (84.38%) Scrum
4 40 (62.50%) Cucumber
5 35 (54.69%) Dropwizard
6 34 (53.13%) HTML
7 33 (51.56%) Linux
8 32 (50.00%) HTTP
9 30 (46.88%) Unix
10 28 (43.75%) RESTful
10 28 (43.75%) Microservices
11 25 (39.06%) Go
11 25 (39.06%) Security Cleared
11 25 (39.06%) Spring
12 24 (37.50%) Spring Boot
12 24 (37.50%) Kafka
13 23 (35.94%) MongoDB
13 23 (35.94%) Relational Database
14 22 (34.38%) XML
15 21 (32.81%) Selenium
16 20 (31.25%) SQL
16 20 (31.25%) WebLogic
16 20 (31.25%) CSS
17 19 (29.69%) JUnit
17 19 (29.69%) Software Engineering
17 19 (29.69%) iXBRL
17 19 (29.69%) JBehave
18 18 (28.13%) Automated Testing
19 17 (26.56%) QA
19 17 (26.56%) TDD

JSON
Co-occurring IT Skills in Wales 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 20 (31.25%) WebLogic
2 2 (3.13%) Elasticsearch
3 1 (1.56%) Confluence
3 1 (1.56%) Mule
3 1 (1.56%) Mule ESB
Business Applications
1 3 (4.69%) SAP Oil and Gas
Cloud Services
1 7 (10.94%) PaaS
2 1 (1.56%) SaaS
Communications & Networking
1 32 (50.00%) HTTP
Database & Business Intelligence
1 23 (35.94%) MongoDB
1 23 (35.94%) Relational Database
2 15 (23.44%) Neo4j
Development Applications
1 40 (62.50%) Cucumber
2 21 (32.81%) Selenium
3 19 (29.69%) JBehave
3 19 (29.69%) JUnit
4 2 (3.13%) Git (software)
5 1 (1.56%) Jenkins
5 1 (1.56%) JIRA
5 1 (1.56%) Maven
5 1 (1.56%) SoapUI
5 1 (1.56%) Sonatype Nexus
General
1 13 (20.31%) Finance
2 3 (4.69%) Electronics
2 3 (4.69%) Manufacturing
2 3 (4.69%) Marketing
2 3 (4.69%) Telecoms
Job Titles
1 59 (92.19%) Developer
2 48 (75.00%) Java Developer
3 9 (14.06%) SC Cleared Java Developer
4 6 (9.38%) Agile Developer
5 5 (7.81%) Agile Java Developer
6 3 (4.69%) Java Engineer
6 3 (4.69%) Senior Developer
6 3 (4.69%) Senior Java Developer
6 3 (4.69%) Software Engineer
7 2 (3.13%) AWS Developer
7 2 (3.13%) Developer/Software Engineer
7 2 (3.13%) DevOps Engineer
7 2 (3.13%) Elasticsearch Developer
7 2 (3.13%) Java Software Developer
7 2 (3.13%) Java Software Engineer
7 2 (3.13%) MongoDB Developer
8 1 (1.56%) Agile Business Analyst
8 1 (1.56%) Agile Test Manager
8 1 (1.56%) HTML Developer
8 1 (1.56%) WebOps Engineer
Libraries, Frameworks & Software Standards
1 35 (54.69%) Dropwizard
2 34 (53.13%) HTML
3 28 (43.75%) RESTful
4 25 (39.06%) Spring
5 24 (37.50%) Kafka
5 24 (37.50%) Spring Boot
6 22 (34.38%) XML
7 20 (31.25%) CSS
8 19 (29.69%) iXBRL
9 17 (26.56%) Hibernate
10 16 (25.00%) REST
11 15 (23.44%) JAX-RS
12 4 (6.25%) Node.js
12 4 (6.25%) Swagger
13 2 (3.13%) SOAP
13 2 (3.13%) Web Services
14 1 (1.56%) Elastic Stack
Miscellaneous
1 15 (23.44%) Analytical Skills
2 1 (1.56%) Enterprise Software
2 1 (1.56%) User Experience
Operating Systems
1 33 (51.56%) Linux
2 30 (46.88%) Unix
3 16 (25.00%) Windows
4 14 (21.88%) Mac OS X
5 3 (4.69%) Mac OS
Processes & Methodologies
1 55 (85.94%) Agile Software Development
2 54 (84.38%) Scrum
3 28 (43.75%) Microservices
4 19 (29.69%) Software Engineering
5 18 (28.13%) Automated Testing
6 17 (26.56%) Continuous Deployment
6 17 (26.56%) Continuous Improvement
6 17 (26.56%) Mentoring
6 17 (26.56%) TDD
7 16 (25.00%) BDD
8 14 (21.88%) Configuration Management
8 14 (21.88%) Responsive Web Design
8 14 (21.88%) Web Design
9 12 (18.75%) Kanban
9 12 (18.75%) OWASP
10 11 (17.19%) Secure Coding
11 10 (15.63%) Software Delivery
12 9 (14.06%) DevOps
12 9 (14.06%) Web Development
13 7 (10.94%) API Development
Programming Languages
1 62 (96.88%) Java
2 25 (39.06%) Go
3 20 (31.25%) SQL
4 4 (6.25%) Python
4 4 (6.25%) Ruby
5 3 (4.69%) Scala
Qualifications
1 25 (39.06%) Security Cleared
2 16 (25.00%) SC Cleared
3 7 (10.94%) BPSS Clearance
4 2 (3.13%) DV Cleared
Quality Assurance & Compliance
1 17 (26.56%) QA
2 3 (4.69%) Disclosure Scotland
System Software
1 1 (1.56%) Virtual Machines
Vendors
1 3 (4.69%) SAP
2 1 (1.56%) HP
2 1 (1.56%) Oracle