Period
to 22 January 2019

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 6 months to 22 January 2019 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
6 months to
22 Jan 2019
Same period 2018 Same period 2017
Rank 85 84 31
Rank change year-on-year -1 -53 +72
Contract jobs citing JSON 28 17 90
As % of all contract IT jobs advertised in Wales 1.65% 1.32% 6.40%
As % of the Libraries, Frameworks & Software Standards category 4.93% 4.35% 18.99%
Number of daily rates quoted 15 12 56
Wales median daily rate £400 £438 £425
Median daily rate % change year-on-year -8.57% +2.94% +15.25%
10th Percentile £350 £340 £353
90th Percentile £451 £475 £540
UK median daily rate £475 £450 £438
% change year-on-year +5.56% +2.86% +9.38%
Number of hourly rates quoted 1 0 0
Wales median hourly rate £22.84 - -
UK median hourly rate £35.00 £41.50 £33.28
% change year-on-year -15.66% +24.70% +4.00%

JSON 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 Wales with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Wales
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 568 391 474
As % of all contract IT jobs advertised in Wales 33.37% 30.38% 33.69%
Number of daily rates quoted 405 273 358
Wales median daily rate £425 £413 £425
Median daily rate % change year-on-year +3.03% -2.94% +21.43%
10th Percentile £313 £268 £267
90th Percentile £587 £575 £575
UK median daily rate £480 £463 £425
% change year-on-year +3.78% +8.82% +3.03%
Number of hourly rates quoted 8 2 2
Wales median hourly rate £24.00 £55.00 £20.30
Median hourly rate % change year-on-year -56.37% +170.90% -31.18%
10th Percentile £20.69 £32.50 £19.30
90th Percentile £37.98 £77.50 £21.27
UK median hourly rate £41.50 £40.00 £40.00
% change year-on-year +3.75% - +6.67%

JSON
Job Vacancy Trend in Wales

Job postings citing JSON as a percentage of all IT jobs advertised in Wales.

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 6 months to 22 January 2019.

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 6 months to 22 January 2019. 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 Wales -4 27 £400 -5.88% 16
North Wales -5 1 £388 -13.89% 1
JSON
UK

For the 6 months to 22 January 2019, IT contractor jobs citing JSON also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the Wales region with a requirement for JSON.

1 20 (71.43%) Java
1 20 (71.43%) SOAP
1 20 (71.43%) Agile Software Development
1 20 (71.43%) Git (software)
2 14 (50.00%) CSS
2 14 (50.00%) HTML
3 13 (46.43%) HTML5
3 13 (46.43%) Node.js
3 13 (46.43%) REST
3 13 (46.43%) CSS3
3 13 (46.43%) AngularJS
3 13 (46.43%) npm
4 12 (42.86%) XML
5 11 (39.29%) Unit Testing
5 11 (39.29%) Front End Development
5 11 (39.29%) LESS
6 10 (35.71%) Confluence
6 10 (35.71%) JIRA
7 8 (28.57%) Python
8 7 (25.00%) Ant
8 7 (25.00%) Maven
8 7 (25.00%) Decision-Making
9 6 (21.43%) Sonatype Nexus
9 6 (21.43%) Ansible
9 6 (21.43%) DevOps
9 6 (21.43%) Continuous Delivery
9 6 (21.43%) Rundeck
9 6 (21.43%) Jenkins
9 6 (21.43%) Postfix
9 6 (21.43%) Data Modelling

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 10 (35.71%) Confluence
2 6 (21.43%) JBoss
3 1 (3.57%) Tomcat
Cloud Services
1 13 (46.43%) npm
Communications & Networking
1 6 (21.43%) HTTP
Database & Business Intelligence
1 4 (14.29%) SQL Server
2 3 (10.71%) Hadoop
3 2 (7.14%) NoSQL
4 1 (3.57%) Big Data
4 1 (3.57%) Oracle Database
4 1 (3.57%) Oracle Database 12c
4 1 (3.57%) RDBMS
4 1 (3.57%) Relational Database
Development Applications
1 20 (71.43%) Git (software)
2 10 (35.71%) JIRA
3 7 (25.00%) Ant
3 7 (25.00%) Maven
4 6 (21.43%) Jenkins
4 6 (21.43%) Sonatype Nexus
5 5 (17.86%) Subversion
6 2 (7.14%) ER Studio
6 2 (7.14%) ERwin
6 2 (7.14%) PowerDesigner
7 1 (3.57%) JUnit
General
1 4 (14.29%) Marketing
2 3 (10.71%) Banking
3 2 (7.14%) Finance
4 1 (3.57%) Investment Banking
Job Titles
1 19 (67.86%) Developer
2 11 (39.29%) Angular Developer
2 11 (39.29%) Front End Developer (Client-Side Developer)
3 3 (10.71%) Architect
3 3 (10.71%) Build Engineer
3 3 (10.71%) Data Architect
3 3 (10.71%) DevOps Engineer
4 2 (7.14%) Deployment Engineer
5 1 (3.57%) .NET Developer
5 1 (3.57%) C# .NET Developer
5 1 (3.57%) C# Developer
5 1 (3.57%) Java Developer
5 1 (3.57%) Linux Build Engineer
5 1 (3.57%) Linux Engineer
5 1 (3.57%) Senior Developer
5 1 (3.57%) Software Developer
Libraries, Frameworks & Software Standards
1 20 (71.43%) SOAP
2 14 (50.00%) CSS
2 14 (50.00%) HTML
3 13 (46.43%) AngularJS
3 13 (46.43%) CSS3
3 13 (46.43%) HTML5
3 13 (46.43%) Node.js
3 13 (46.43%) REST
4 12 (42.86%) XML
5 11 (39.29%) LESS
6 6 (21.43%) WSDL
7 5 (17.86%) .NET
8 4 (14.29%) RESTful
9 3 (10.71%) jQuery
9 3 (10.71%) WCF
9 3 (10.71%) XSD
10 1 (3.57%) .NET Framework
10 1 (3.57%) Spring
10 1 (3.57%) Spring MVC
10 1 (3.57%) Spring Security
Miscellaneous
1 3 (10.71%) Self-Motivation
2 2 (7.14%) Reference Data
3 1 (3.57%) NHS
Operating Systems
1 6 (21.43%) Linux
1 6 (21.43%) Unix
Processes & Methodologies
1 20 (71.43%) Agile Software Development
2 11 (39.29%) Front End Development
2 11 (39.29%) Unit Testing
3 7 (25.00%) Decision-Making
4 6 (21.43%) Continuous Delivery
4 6 (21.43%) Data Modelling
4 6 (21.43%) DevOps
4 6 (21.43%) SOA
5 5 (17.86%) Configuration Management
5 5 (17.86%) Software Engineering
6 4 (14.29%) Scrum
7 3 (10.71%) API Design
7 3 (10.71%) API Development
7 3 (10.71%) API Integration
7 3 (10.71%) B2B
7 3 (10.71%) Metadata Management
7 3 (10.71%) Problem-Solving
7 3 (10.71%) Software Delivery
7 3 (10.71%) TDD
7 3 (10.71%) Test Automation
Programming Languages
1 20 (71.43%) Java
2 8 (28.57%) Python
3 5 (17.86%) C#
4 4 (14.29%) SQL
5 3 (10.71%) JavaScript
6 2 (7.14%) R
6 2 (7.14%) Scala
7 1 (3.57%) Bash Shell
7 1 (3.57%) T-SQL
7 1 (3.57%) VB.NET
Qualifications
1 1 (3.57%) Security Cleared
Quality Assurance & Compliance
1 3 (10.71%) QA
System Software
1 6 (21.43%) Postfix
Systems Management
1 6 (21.43%) Ansible
1 6 (21.43%) Rundeck
Vendors
1 3 (10.71%) Cloudera
2 1 (3.57%) HP
2 1 (3.57%) Oracle