Period
to 19 November 2017

The following table provides summary statistics for contract job vacancies advertised in Birmingham 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 19 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.

JSON
West Midlands > Birmingham
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 81 76 66
Rank change year-on-year -5 -10 +18
Contract jobs citing JSON 18 27 16
As % of all contract IT jobs advertised in Birmingham 1.16% 1.78% 1.17%
As % of the Libraries, Frameworks & Software Standards category 4.62% 5.43% 5.48%
Number of daily rates quoted 14 17 19
Birmingham median daily rate £354 £455 £300
Median daily rate % change year-on-year -22.25% +51.67% -20.00%
West Midlands median daily rate £492 £415 £325
% change year-on-year +18.46% +27.69% +5.69%
Number of hourly rates quoted 0 0 0
Birmingham median hourly rate - - -
West Midlands median hourly rate £32.50 £37.50 -
% change year-on-year -13.33% - -

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

All Software Libraries and Frameworks
Birmingham
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 390 497 292
As % of all contract IT jobs advertised in Birmingham 25.08% 32.68% 21.41%
Number of daily rates quoted 281 322 186
Birmingham median daily rate £400 £375 £361
Median daily rate % change year-on-year +6.67% +3.81% +1.69%
10th Percentile £250 £250 £257
90th Percentile £525 £513 £488
West Midlands median daily rate £400 £375 £350
% change year-on-year +6.67% +7.14% -
Number of hourly rates quoted 2 3 6
Birmingham median hourly rate £26.75 £9.00 £13.21
Median hourly rate % change year-on-year +197.22% -31.88% -51.95%
10th Percentile £15.38 £8.75 £10.96
90th Percentile £38.33 £89.85 £18.75
West Midlands median hourly rate £30.58 £23.00 £28.60
% change year-on-year +32.96% -19.57% +3.98%

JSON
Job Vacancy Trend in Birmingham

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

Job vacancy trend for JSON in Birmingham

JSON
Contractor Daily Rate Trend in Birmingham

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

Contractor daily rate trend for JSON in Birmingham

JSON
Contractor Daily Rate Histogram in Birmingham

The daily rate distribution of IT jobs citing JSON in Birmingham over the 6 months to 19 November 2017.

Contractor daily rate histogram for JSON in Birmingham

For the 6 months to 19 November 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 Birmingham region with a requirement for JSON.

1 15 (83.33%) Agile Software Development
2 13 (72.22%) Git (software)
3 12 (66.67%) Unit Testing
4 11 (61.11%) Test Automation
5 10 (55.56%) JavaScript
5 10 (55.56%) XML
6 9 (50.00%) HTML
6 9 (50.00%) SQL
6 9 (50.00%) CSS
6 9 (50.00%) REST
7 8 (44.44%) JUnit
7 8 (44.44%) Java
7 8 (44.44%) Web Services
8 7 (38.89%) Scrum
8 7 (38.89%) Spring
8 7 (38.89%) jQuery
8 7 (38.89%) HTML5
8 7 (38.89%) Android
8 7 (38.89%) Twitter Bootstrap
8 7 (38.89%) Android Development
9 6 (33.33%) CSS3
9 6 (33.33%) User Acceptance Testing
10 5 (27.78%) OO
10 5 (27.78%) Open Source
10 5 (27.78%) Node.js
10 5 (27.78%) AngularJS
11 4 (22.22%) Open Source Development
11 4 (22.22%) Kanban
11 4 (22.22%) .NET
11 4 (22.22%) MySQL

JSON
Co-occurring IT Skills in Birmingham 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 2 (11.11%) Apache
1 2 (11.11%) Cloud Foundry
1 2 (11.11%) Elasticsearch
1 2 (11.11%) Tomcat
2 1 (5.56%) Confluence
2 1 (5.56%) IIS
Cloud Services
1 2 (11.11%) GitHub
1 2 (11.11%) PaaS
2 1 (5.56%) Amazon AWS
Database & Business Intelligence
1 4 (22.22%) MySQL
1 4 (22.22%) SQL Server
2 2 (11.11%) MariaDB
2 2 (11.11%) MongoDB
3 1 (5.56%) SQL Server 2012
3 1 (5.56%) SQL Server Integration Services
3 1 (5.56%) SQL Server Reporting Services
Development Applications
1 13 (72.22%) Git (software)
2 8 (44.44%) JUnit
3 3 (16.67%) Jenkins
4 2 (11.11%) JHipster
4 2 (11.11%) Liquibase
5 1 (5.56%) Atlassian Bamboo
5 1 (5.56%) IntelliJ
5 1 (5.56%) JIRA
5 1 (5.56%) Maven
5 1 (5.56%) Mercurial
5 1 (5.56%) Mockito
5 1 (5.56%) Oracle APEX
5 1 (5.56%) Team Foundation Server
5 1 (5.56%) Visual Studio
5 1 (5.56%) WebStorm
General
1 1 (5.56%) Finance
1 1 (5.56%) Retail
Job Titles
1 15 (83.33%) Developer
2 7 (38.89%) Android Developer
3 5 (27.78%) Full Stack Developer
4 4 (22.22%) Java Developer
5 2 (11.11%) Angular Developer
5 2 (11.11%) Java Android Developer
5 2 (11.11%) Web Developer
6 1 (5.56%) .NET Developer
6 1 (5.56%) .NET Web Developer
6 1 (5.56%) Applications Developer
6 1 (5.56%) Architect
6 1 (5.56%) Digital Architect
6 1 (5.56%) Digital Transformation
6 1 (5.56%) Digital Transformation Architect
6 1 (5.56%) Platform Architect
6 1 (5.56%) Scrum Master
6 1 (5.56%) UI Developer
6 1 (5.56%) Web UI Developer
Libraries, Frameworks & Software Standards
1 10 (55.56%) XML
2 9 (50.00%) CSS
2 9 (50.00%) HTML
2 9 (50.00%) REST
3 8 (44.44%) Web Services
4 7 (38.89%) HTML5
4 7 (38.89%) jQuery
4 7 (38.89%) Spring
4 7 (38.89%) Twitter Bootstrap
5 6 (33.33%) CSS3
6 5 (27.78%) AngularJS
6 5 (27.78%) Node.js
7 4 (22.22%) .NET
8 3 (16.67%) ASP.NET
9 2 (11.11%) Apache Flex
9 2 (11.11%) ASP.NET MVC
9 2 (11.11%) Dapper ORM
9 2 (11.11%) Kendo UI
9 2 (11.11%) Spring Boot
10 1 (5.56%) Entity Framework
Miscellaneous
1 2 (11.11%) Greenfield Project
2 1 (5.56%) Computer Science
2 1 (5.56%) Enterprise Software
2 1 (5.56%) Mobile App
Operating Systems
1 7 (38.89%) Android
2 1 (5.56%) Windows
2 1 (5.56%) Windows Server
2 1 (5.56%) Windows Server 2008
2 1 (5.56%) Windows Server 2012
Processes & Methodologies
1 15 (83.33%) Agile Software Development
2 12 (66.67%) Unit Testing
3 11 (61.11%) Test Automation
4 7 (38.89%) Android Development
4 7 (38.89%) Scrum
5 6 (33.33%) User Acceptance Testing
6 5 (27.78%) OO
6 5 (27.78%) Open Source
7 4 (22.22%) Integration Testing
7 4 (22.22%) Kanban
7 4 (22.22%) Open Source Development
7 4 (22.22%) Software Testing
8 3 (16.67%) Continuous Integration
8 3 (16.67%) MVC
8 3 (16.67%) TDD
9 2 (11.11%) Web Development
10 1 (5.56%) B2B
10 1 (5.56%) Data Management
10 1 (5.56%) Software Engineering
10 1 (5.56%) Supply Chain Management
Programming Languages
1 10 (55.56%) JavaScript
2 9 (50.00%) SQL
3 8 (44.44%) Java
4 3 (16.67%) C#
5 1 (5.56%) Apex Code
5 1 (5.56%) Groovy
5 1 (5.56%) PL/SQL
5 1 (5.56%) Scala
5 1 (5.56%) T-SQL
5 1 (5.56%) VB.NET
Qualifications
1 2 (11.11%) DBS Check
1 2 (11.11%) SC Cleared
1 2 (11.11%) Security Cleared
2 1 (5.56%) Degree
2 1 (5.56%) NVQ Level 4
Quality Assurance & Compliance
1 3 (16.67%) Disclosure Scotland
System Software
1 2 (11.11%) Docker
Vendors
1 2 (11.11%) Microsoft
2 1 (5.56%) Altova
2 1 (5.56%) DevExpress
2 1 (5.56%) Informatica
2 1 (5.56%) Jitterbit
2 1 (5.56%) Oracle
2 1 (5.56%) Xamarin