Period
to 13 November 2018

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 13 November 2018 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
13 Nov 2018
Same period 2017 Same period 2016
Rank 81 82 74
Rank change year-on-year +1 -8 -1
Contract jobs citing JSON 21 18 26
As % of all contract IT jobs advertised in Birmingham 1.47% 1.15% 1.70%
As % of the Libraries, Frameworks & Software Standards category 5.28% 4.50% 5.21%
Number of daily rates quoted 13 14 17
Birmingham median daily rate £450 £354 £455
Median daily rate % change year-on-year +27.21% -22.25% +51.67%
10th Percentile £327 £279 £313
90th Percentile £585 £510 £602
West Midlands median daily rate £450 £500 £415
% change year-on-year -10.00% +20.48% +25.76%
Number of hourly rates quoted 0 0 0
Birmingham median hourly rate - - -
West Midlands median hourly rate - £33.00 £37.50
% change year-on-year - -12.00% -

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 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 398 400 499
As % of all contract IT jobs advertised in Birmingham 27.95% 25.48% 32.66%
Number of daily rates quoted 278 285 328
Birmingham median daily rate £446 £400 £375
Median daily rate % change year-on-year +11.50% +6.67% -
10th Percentile £313 £263 £250
90th Percentile £561 £533 £516
West Midlands median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% +7.14%
Number of hourly rates quoted 3 2 3
Birmingham median hourly rate £35.00 £26.75 £9.00
Median hourly rate % change year-on-year +30.84% +197.22% -31.88%
10th Percentile £23.30 £15.38 £8.75
90th Percentile £71.50 £38.33 £89.85
West Midlands median hourly rate £45.00 £30.50 £23.00
% change year-on-year +47.54% +32.61% -19.83%

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 13 November 2018.

Contractor daily rate histogram for JSON in Birmingham

For the 6 months to 13 November 2018, 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 Birmingham region with a requirement for JSON.

1 11 (52.38%) SQL
1 11 (52.38%) XML
2 10 (47.62%) REST
2 10 (47.62%) Problem-Solving
3 9 (42.86%) C#
4 8 (38.10%) Microsoft Azure
5 7 (33.33%) JavaScript
5 7 (33.33%) MySQL
5 7 (33.33%) Visual Studio
5 7 (33.33%) Web Services
6 6 (28.57%) SQL Server
6 6 (28.57%) Linux
6 6 (28.57%) Microsoft
7 5 (23.81%) XQuery
7 5 (23.81%) TIBCO
7 5 (23.81%) Google
7 5 (23.81%) Data Modelling
7 5 (23.81%) DOM
7 5 (23.81%) Cisco
7 5 (23.81%) SOAP
7 5 (23.81%) PL/SQL
7 5 (23.81%) nginx
7 5 (23.81%) RESTful
7 5 (23.81%) Azure SQL Database
7 5 (23.81%) Google Cloud Platform
7 5 (23.81%) React
7 5 (23.81%) Front End Development
7 5 (23.81%) GitHub
7 5 (23.81%) MariaDB
7 5 (23.81%) Data Virtualisation

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 5 (23.81%) nginx
2 1 (4.76%) Apache
2 1 (4.76%) BizTalk Server
2 1 (4.76%) Confluence
Applications
1 1 (4.76%) Photoshop
Business Applications
1 4 (19.05%) Dynamics CRM
2 1 (4.76%) Dynamics AX
Cloud Services
1 8 (38.10%) Microsoft Azure
2 5 (23.81%) GitHub
2 5 (23.81%) Google Cloud Platform
3 4 (19.05%) Azure Data Factory
3 4 (19.05%) Dynamics 365
3 4 (19.05%) npm
4 2 (9.52%) PaaS
5 1 (4.76%) Azure Active Directory
5 1 (4.76%) Azure Functions
5 1 (4.76%) IaaS
5 1 (4.76%) SaaS
5 1 (4.76%) Serverless
Database & Business Intelligence
1 7 (33.33%) MySQL
2 6 (28.57%) SQL Server
3 5 (23.81%) Azure SQL Database
3 5 (23.81%) MariaDB
4 1 (4.76%) SQLite
Development Applications
1 7 (33.33%) Visual Studio
2 4 (19.05%) Babel
2 4 (19.05%) webpack
3 2 (9.52%) Git (software)
4 1 (4.76%) Cucumber
4 1 (4.76%) Eclipse
4 1 (4.76%) JIRA
4 1 (4.76%) JMeter
4 1 (4.76%) MSTest
4 1 (4.76%) PhpStorm
4 1 (4.76%) Selenium
4 1 (4.76%) SpecFlow
4 1 (4.76%) Team Foundation Server
4 1 (4.76%) WebDriver
4 1 (4.76%) Xcode
General
1 1 (4.76%) Finance
Job Titles
1 11 (52.38%) Developer
2 4 (19.05%) Azure Developer
2 4 (19.05%) C# Developer
2 4 (19.05%) C# Programmer
2 4 (19.05%) JavaScript Developer
2 4 (19.05%) Programmer
2 4 (19.05%) React Developer
3 2 (9.52%) Applications Developer
3 2 (9.52%) Architect
3 2 (9.52%) Azure Architect
3 2 (9.52%) Azure Engineer
3 2 (9.52%) Consultant
4 1 (4.76%) Analyst
4 1 (4.76%) Cisco Engineer
4 1 (4.76%) Full Stack Developer
4 1 (4.76%) Network Engineer
4 1 (4.76%) QA Tester
4 1 (4.76%) Server Engineer
4 1 (4.76%) Tester
4 1 (4.76%) TIBCO Engineer
Libraries, Frameworks & Software Standards
1 11 (52.38%) XML
2 10 (47.62%) REST
3 7 (33.33%) Web Services
4 5 (23.81%) DOM
4 5 (23.81%) React
4 5 (23.81%) RESTful
4 5 (23.81%) SOAP
5 4 (19.05%) .NET
5 4 (19.05%) Immutable.js
5 4 (19.05%) JSON Schema
5 4 (19.05%) Redux
5 4 (19.05%) XSD
6 3 (14.29%) CSS
6 3 (14.29%) CSS3
6 3 (14.29%) HTML
6 3 (14.29%) jQuery
7 2 (9.52%) Ajax
7 2 (9.52%) AngularJS
7 2 (9.52%) HTML5
7 2 (9.52%) KnockoutJS
Miscellaneous
1 4 (19.05%) Analytical Skills
1 4 (19.05%) Data Structures
2 3 (14.29%) User Experience
3 1 (4.76%) Enterprise Software
3 1 (4.76%) iPhone
3 1 (4.76%) Mobile App
3 1 (4.76%) N-Tier
Operating Systems
1 6 (28.57%) Linux
2 1 (4.76%) Android
2 1 (4.76%) Apple iOS
2 1 (4.76%) Debian
Processes & Methodologies
1 10 (47.62%) Problem-Solving
2 5 (23.81%) Data Modelling
2 5 (23.81%) Data Transformation
2 5 (23.81%) Data Virtualisation
2 5 (23.81%) Front End Development
3 4 (19.05%) Benchmarking
3 4 (19.05%) CRM
3 4 (19.05%) DOM Manipulation/Scripting
3 4 (19.05%) Integration Testing
3 4 (19.05%) Isomorphic JavaScript
3 4 (19.05%) Translating Business Requirements
3 4 (19.05%) Wireframes
4 3 (14.29%) Agile Software Development
5 2 (9.52%) OO
5 2 (9.52%) Scrum
5 2 (9.52%) Unit Testing
6 1 (4.76%) Business Activity Monitoring
6 1 (4.76%) Digital Transformation Programme
6 1 (4.76%) Storage Management
6 1 (4.76%) Web Design
Programming Languages
1 11 (52.38%) SQL
2 9 (42.86%) C#
3 7 (33.33%) JavaScript
4 5 (23.81%) PL/SQL
4 5 (23.81%) XQuery
5 1 (4.76%) Apple Swift
5 1 (4.76%) Java
5 1 (4.76%) Objective-C
5 1 (4.76%) PHP
5 1 (4.76%) PowerShell
Quality Assurance & Compliance
1 1 (4.76%) QA
1 1 (4.76%) WAI
System Software
1 1 (4.76%) Active Directory
Systems Management
1 2 (9.52%) Terraform
2 1 (4.76%) HockeyApp
Vendors
1 6 (28.57%) Microsoft
2 5 (23.81%) Cisco
2 5 (23.81%) Google
2 5 (23.81%) TIBCO
3 1 (4.76%) Adobe
3 1 (4.76%) Apple
3 1 (4.76%) JD Edwards
3 1 (4.76%) Red Hat
3 1 (4.76%) Twitter
3 1 (4.76%) Xamarin