Period
to 19 September 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 19 September 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
19 Sep 2018
Same period 2017 Same period 2016
Rank 76 87 71
Rank change year-on-year +11 -16 0
Contract jobs citing JSON 27 8 31
As % of all contract IT jobs advertised in Birmingham 1.82% 0.56% 1.99%
As % of the Libraries, Frameworks & Software Standards category 5.82% 2.17% 7.23%
Number of daily rates quoted 12 8 20
Birmingham median daily rate £450 £325 £375
Median daily rate % change year-on-year +38.46% -13.33% +25.00%
10th Percentile £351 £263 £313
90th Percentile £563 £413 £601
West Midlands median daily rate £450 £494 £415
% change year-on-year -8.93% +19.07% +25.76%
Number of hourly rates quoted 0 0 0
Birmingham median hourly rate - - -
West Midlands median hourly rate - £32.00 £37.50
% change year-on-year - -14.67% -

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 464 369 429
As % of all contract IT jobs advertised in Birmingham 31.22% 26.04% 27.61%
Number of daily rates quoted 301 261 300
Birmingham median daily rate £425 £400 £375
Median daily rate % change year-on-year +6.25% +6.67% +7.14%
10th Percentile £294 £263 £250
90th Percentile £563 £525 £525
West Midlands median daily rate £425 £400 £375
% change year-on-year +6.25% +6.67% +7.14%
Number of hourly rates quoted 3 3 1
Birmingham median hourly rate £24.00 £17.00 £9.00
Median hourly rate % change year-on-year +41.18% +88.89% -38.83%
10th Percentile £16.20 £13.50 £8.75
90th Percentile £35.40 £36.30 £9.25
West Midlands median hourly rate £25.75 £27.50 £23.00
% change year-on-year -6.36% +19.57% -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 19 September 2018.

Contractor daily rate histogram for JSON in Birmingham

For the 6 months to 19 September 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 15 (55.56%) C#
2 13 (48.15%) Microsoft Azure
3 12 (44.44%) REST
4 11 (40.74%) JavaScript
4 11 (40.74%) .NET
4 11 (40.74%) SQL Server
5 10 (37.04%) XML
6 9 (33.33%) CSS
6 9 (33.33%) Visual Studio
6 9 (33.33%) HTML
6 9 (33.33%) Agile Software Development
6 9 (33.33%) Ajax
6 9 (33.33%) KnockoutJS
7 8 (29.63%) AngularJS
7 8 (29.63%) CSS3
7 8 (29.63%) Git (software)
7 8 (29.63%) HTML5
7 8 (29.63%) SQL
7 8 (29.63%) Microsoft
8 7 (25.93%) SOAP
8 7 (25.93%) Scrum
8 7 (25.93%) jQuery
8 7 (25.93%) User Experience
9 6 (22.22%) Azure SQL Database
9 6 (22.22%) OOP
9 6 (22.22%) ASP.NET
9 6 (22.22%) DOM
10 5 (18.52%) XHTML
10 5 (18.52%) DHTML
10 5 (18.52%) Integration Testing

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 3 (11.11%) Tomcat
2 2 (7.41%) Apache
2 2 (7.41%) GlassFish
2 2 (7.41%) IIS
2 2 (7.41%) JBoss
3 1 (3.70%) BizTalk Server
3 1 (3.70%) Confluence
3 1 (3.70%) Exchange Server 2000
3 1 (3.70%) MS Exchange
Applications
1 1 (3.70%) Microsoft Office
Business Applications
1 4 (14.81%) Dynamics CRM
2 1 (3.70%) Dynamics AX
2 1 (3.70%) Oracle ERP
Cloud Services
1 13 (48.15%) Microsoft Azure
2 5 (18.52%) PaaS
3 4 (14.81%) Azure Data Factory
3 4 (14.81%) Dynamics 365
4 3 (11.11%) Amazon AWS
4 3 (11.11%) IaaS
5 2 (7.41%) Azure Functions
5 2 (7.41%) Serverless
6 1 (3.70%) Amazon S3
6 1 (3.70%) Azure Active Directory
6 1 (3.70%) Office 365
6 1 (3.70%) SaaS
Communications & Networking
1 2 (7.41%) DNS
1 2 (7.41%) Firewall
1 2 (7.41%) Intrusion Detection
1 2 (7.41%) iSCSI
1 2 (7.41%) SSL
Database & Business Intelligence
1 11 (40.74%) SQL Server
2 6 (22.22%) Azure SQL Database
3 4 (14.81%) MongoDB
3 4 (14.81%) MySQL
4 3 (11.11%) NoSQL
5 2 (7.41%) Couchbase
6 1 (3.70%) Apache Cassandra
6 1 (3.70%) PostgreSQL
6 1 (3.70%) SQL Server 2000
6 1 (3.70%) SQL Server 2016
6 1 (3.70%) SQL Server Integration Services
6 1 (3.70%) SQLite
Development Applications
1 9 (33.33%) Visual Studio
2 8 (29.63%) Git (software)
3 3 (11.11%) JIRA
4 2 (7.41%) Bugzilla
4 2 (7.41%) Jenkins
4 2 (7.41%) Maven
4 2 (7.41%) MSBuild
4 2 (7.41%) Subversion
5 1 (3.70%) Cucumber
5 1 (3.70%) Eclipse
5 1 (3.70%) JMeter
5 1 (3.70%) Mercurial
5 1 (3.70%) MSTest
5 1 (3.70%) Selenium
5 1 (3.70%) SpecFlow
5 1 (3.70%) Team Foundation Server
5 1 (3.70%) Visual Studio Team System
5 1 (3.70%) WebDriver
5 1 (3.70%) Xcode
General
1 1 (3.70%) Finance
Job Titles
1 17 (62.96%) Developer
2 6 (22.22%) Front End Developer (Client-Side Developer)
2 6 (22.22%) UI Developer
3 4 (14.81%) Azure Developer
3 4 (14.81%) C# Developer
3 4 (14.81%) C# Programmer
3 4 (14.81%) Programmer
4 3 (11.11%) Architect
4 3 (11.11%) Azure Engineer
4 3 (11.11%) JavaScript Developer
4 3 (11.11%) Node.js Developer
4 3 (11.11%) React Developer
5 2 (7.41%) .NET Developer
5 2 (7.41%) Applications Developer
5 2 (7.41%) Azure Architect
5 2 (7.41%) Consultant
5 2 (7.41%) Deployment Manager
5 2 (7.41%) Senior Manager
6 1 (3.70%) Azure Consultant
6 1 (3.70%) Digital Architect
Libraries, Frameworks & Software Standards
1 12 (44.44%) REST
2 11 (40.74%) .NET
3 10 (37.04%) XML
4 9 (33.33%) Ajax
4 9 (33.33%) CSS
4 9 (33.33%) HTML
4 9 (33.33%) KnockoutJS
5 8 (29.63%) AngularJS
5 8 (29.63%) CSS3
5 8 (29.63%) HTML5
6 7 (25.93%) jQuery
6 7 (25.93%) SOAP
7 6 (22.22%) ASP.NET
7 6 (22.22%) DOM
8 5 (18.52%) DHTML
8 5 (18.52%) XHTML
9 4 (14.81%) JSON Schema
9 4 (14.81%) Node.js
9 4 (14.81%) React
9 4 (14.81%) XSD
Miscellaneous
1 7 (25.93%) User Experience
2 2 (7.41%) Clustering
2 2 (7.41%) Self-Motivation
2 2 (7.41%) Wiki
3 1 (3.70%) Enterprise Software
3 1 (3.70%) iPhone
3 1 (3.70%) Mobile App
Operating Systems
1 4 (14.81%) Windows
1 4 (14.81%) Windows Server
2 2 (7.41%) CentOS
2 2 (7.41%) Debian
2 2 (7.41%) Linux
2 2 (7.41%) Ubuntu
3 1 (3.70%) Android
3 1 (3.70%) Apple iOS
3 1 (3.70%) Mac OS X
3 1 (3.70%) Windows 2000 Server
3 1 (3.70%) Windows XP
Processes & Methodologies
1 9 (33.33%) Agile Software Development
2 7 (25.93%) Scrum
3 6 (22.22%) OOP
4 5 (18.52%) Front End Development
4 5 (18.52%) Integration Testing
4 5 (18.52%) Problem-Solving
5 4 (14.81%) CRM
6 3 (11.11%) Configuration Management
6 3 (11.11%) DevOps
6 3 (11.11%) Kanban
6 3 (11.11%) OO
7 2 (7.41%) Cloud Operations
7 2 (7.41%) Continuous Deployment
7 2 (7.41%) Continuous Integration
7 2 (7.41%) High Availability
7 2 (7.41%) Issue Tracking
7 2 (7.41%) MVVM
7 2 (7.41%) Open Source
7 2 (7.41%) Reverse Engineering
7 2 (7.41%) SDLC
Programming Languages
1 15 (55.56%) C#
2 11 (40.74%) JavaScript
3 8 (29.63%) SQL
4 5 (18.52%) PowerShell
5 4 (14.81%) Java
5 4 (14.81%) Scala
6 3 (11.11%) Go
7 2 (7.41%) Perl
7 2 (7.41%) PHP
7 2 (7.41%) Python
7 2 (7.41%) Shell Script
8 1 (3.70%) Apple Swift
8 1 (3.70%) Objective-C
8 1 (3.70%) Ruby
8 1 (3.70%) VB.NET
Qualifications
1 2 (7.41%) SC Cleared
1 2 (7.41%) Security Cleared
Quality Assurance & Compliance
1 5 (18.52%) WAI
2 1 (3.70%) QA
System Software
1 3 (11.11%) Active Directory
1 3 (11.11%) Hyper-V
2 2 (7.41%) NFS
2 2 (7.41%) Samba
2 2 (7.41%) Squid
2 2 (7.41%) Varnish
2 2 (7.41%) VMware Infrastructure
2 2 (7.41%) Xen
Systems Management
1 2 (7.41%) HAProxy
1 2 (7.41%) Nagios
1 2 (7.41%) Opscode Chef
1 2 (7.41%) Puppet
1 2 (7.41%) Terraform
1 2 (7.41%) WMI
2 1 (3.70%) HockeyApp
2 1 (3.70%) Microsoft Intune
2 1 (3.70%) SCCM
2 1 (3.70%) SCOM
Vendors
1 8 (29.63%) Microsoft
2 3 (11.11%) VMware
3 2 (7.41%) Red Hat
3 2 (7.41%) Splunk
3 2 (7.41%) WSO2
4 1 (3.70%) Apple
4 1 (3.70%) Capita
4 1 (3.70%) JD Edwards
4 1 (3.70%) Oracle
4 1 (3.70%) Twitter
4 1 (3.70%) Xamarin