Period
to 20 January 2019

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 20 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
West Midlands > Birmingham
6 months to
20 Jan 2019
Same period 2018 Same period 2017
Rank 71 67 87
Rank change year-on-year -4 +20 -22
Contract jobs citing JSON 27 37 13
As % of all contract IT jobs advertised in Birmingham 2.06% 2.36% 0.93%
As % of the Libraries, Frameworks & Software Standards category 7.50% 8.20% 3.00%
Number of daily rates quoted 19 20 11
Birmingham median daily rate £375 £398 £370
Median daily rate % change year-on-year -5.78% +7.57% +23.33%
10th Percentile £313 £313 £270
90th Percentile £578 £663 £413
West Midlands median daily rate £465 £450 £425
% change year-on-year +3.33% +5.88% +41.67%
Number of hourly rates quoted 0 0 0
Birmingham median hourly rate - - -
West Midlands median hourly rate - £32.00 -

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 360 451 433
As % of all contract IT jobs advertised in Birmingham 27.44% 28.74% 31.06%
Number of daily rates quoted 244 313 266
Birmingham median daily rate £450 £400 £377
Median daily rate % change year-on-year +12.50% +6.24% +7.57%
10th Percentile £313 £247 £273
90th Percentile £550 £574 £525
West Midlands median daily rate £425 £400 £378
% change year-on-year +6.25% +5.96% +7.86%
Number of hourly rates quoted 3 2 3
Birmingham median hourly rate £45.00 £27.00 £9.00
Median hourly rate % change year-on-year +66.67% +200.00% -35.71%
10th Percentile £34.00 £15.40 £8.75
90th Percentile £73.00 £39.00 £89.85
West Midlands median hourly rate £45.00 £30.50 £24.00
% change year-on-year +47.54% +27.08% -16.35%

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 20 January 2019.

Contractor daily rate histogram for JSON in Birmingham

For the 6 months to 20 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 Birmingham region with a requirement for JSON.

1 16 (59.26%) SQL
1 16 (59.26%) XML
2 13 (48.15%) C#
2 13 (48.15%) Microsoft Azure
3 11 (40.74%) REST
3 11 (40.74%) JavaScript
3 11 (40.74%) SQL Server
4 10 (37.04%) Azure Data Factory
4 10 (37.04%) Problem-Solving
5 9 (33.33%) Visual Studio
6 8 (29.63%) MySQL
7 7 (25.93%) Microsoft
7 7 (25.93%) Linux
7 7 (25.93%) CRM
7 7 (25.93%) CSS
7 7 (25.93%) SOAP
7 7 (25.93%) Web Services
7 7 (25.93%) HTML
7 7 (25.93%) jQuery
8 6 (22.22%) Integration Testing
8 6 (22.22%) Azure SQL Database
8 6 (22.22%) GitHub
8 6 (22.22%) JSON Schema
8 6 (22.22%) XSD
8 6 (22.22%) Dynamics CRM
8 6 (22.22%) Dynamics 365
9 5 (18.52%) TIBCO
9 5 (18.52%) XQuery
9 5 (18.52%) Cisco
9 5 (18.52%) Data Modelling

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 (18.52%) nginx
2 2 (7.41%) Apache
3 1 (3.70%) BizTalk Server
3 1 (3.70%) Confluence
Applications
1 2 (7.41%) Photoshop
Business Applications
1 6 (22.22%) Dynamics CRM
Cloud Services
1 13 (48.15%) Microsoft Azure
2 10 (37.04%) Azure Data Factory
3 6 (22.22%) Dynamics 365
3 6 (22.22%) GitHub
4 5 (18.52%) Google Cloud Platform
5 4 (14.81%) npm
6 1 (3.70%) Azure Active Directory
6 1 (3.70%) IaaS
6 1 (3.70%) PaaS
6 1 (3.70%) SaaS
Database & Business Intelligence
1 11 (40.74%) SQL Server
2 8 (29.63%) MySQL
3 6 (22.22%) Azure SQL Database
4 5 (18.52%) MariaDB
5 4 (14.81%) Power BI
6 1 (3.70%) SQLite
Development Applications
1 9 (33.33%) Visual Studio
2 4 (14.81%) Babel
2 4 (14.81%) webpack
3 2 (7.41%) Git (software)
3 2 (7.41%) PhpStorm
4 1 (3.70%) Cucumber
4 1 (3.70%) Eclipse
4 1 (3.70%) JIRA
4 1 (3.70%) JMeter
4 1 (3.70%) Selenium
4 1 (3.70%) SpecFlow
4 1 (3.70%) WebDriver
4 1 (3.70%) Xcode
General
1 1 (3.70%) Billing
Job Titles
1 16 (59.26%) Developer
2 9 (33.33%) C# Developer
3 6 (22.22%) C# Programmer
3 6 (22.22%) Programmer
4 4 (14.81%) Azure Developer
4 4 (14.81%) JavaScript Developer
4 4 (14.81%) React Developer
4 4 (14.81%) XML Developer
5 3 (11.11%) Applications Developer
5 3 (11.11%) Architect
6 2 (7.41%) Azure Architect
6 2 (7.41%) Azure Engineer
6 2 (7.41%) C# Application Developer
6 2 (7.41%) Full Stack Developer
7 1 (3.70%) Azure Consultant
7 1 (3.70%) BizTalk Architect
7 1 (3.70%) Lead Network Engineer
7 1 (3.70%) Mobile Applications Developer
7 1 (3.70%) Mobile Developer
7 1 (3.70%) TIBCO Engineer
Libraries, Frameworks & Software Standards
1 16 (59.26%) XML
2 11 (40.74%) REST
3 7 (25.93%) CSS
3 7 (25.93%) HTML
3 7 (25.93%) jQuery
3 7 (25.93%) SOAP
3 7 (25.93%) Web Services
4 6 (22.22%) JSON Schema
4 6 (22.22%) XSD
5 5 (18.52%) React
6 4 (14.81%) DOM
6 4 (14.81%) Immutable.js
6 4 (14.81%) Redux
6 4 (14.81%) RESTful
7 3 (11.11%) CSS3
8 2 (7.41%) .NET
8 2 (7.41%) Ajax
8 2 (7.41%) LAMP
8 2 (7.41%) Laravel
9 1 (3.70%) J2EE
Miscellaneous
1 4 (14.81%) Analytical Skills
1 4 (14.81%) Data Structures
2 3 (11.11%) User Experience
3 2 (7.41%) N-Tier
4 1 (3.70%) iPhone
4 1 (3.70%) Mobile App
Operating Systems
1 7 (25.93%) Linux
2 2 (7.41%) Debian
3 1 (3.70%) Android
3 1 (3.70%) Apple iOS
Processes & Methodologies
1 10 (37.04%) Problem-Solving
2 7 (25.93%) CRM
3 6 (22.22%) Integration Testing
4 5 (18.52%) Data Modelling
4 5 (18.52%) Data Transformation
4 5 (18.52%) Data Virtualisation
5 4 (14.81%) Benchmarking
5 4 (14.81%) DOM Manipulation/Scripting
5 4 (14.81%) Front End Development
5 4 (14.81%) Isomorphic JavaScript
5 4 (14.81%) Translating Business Requirements
5 4 (14.81%) Wireframes
6 3 (11.11%) Agile Software Development
7 2 (7.41%) Dependency Injection
7 2 (7.41%) Scrum
7 2 (7.41%) Unit Testing
7 2 (7.41%) User Acceptance Testing
8 1 (3.70%) MVVM
8 1 (3.70%) Open Source
8 1 (3.70%) Performance Testing
Programming Languages
1 16 (59.26%) SQL
2 13 (48.15%) C#
3 11 (40.74%) JavaScript
4 5 (18.52%) PL/SQL
4 5 (18.52%) XQuery
5 4 (14.81%) T-SQL
5 4 (14.81%) XPath
6 2 (7.41%) PHP
7 1 (3.70%) Apple Swift
7 1 (3.70%) C
7 1 (3.70%) Java
7 1 (3.70%) Objective-C
7 1 (3.70%) PowerShell
Quality Assurance & Compliance
1 1 (3.70%) QA
System Software
1 1 (3.70%) Active Directory
Systems Management
1 2 (7.41%) Terraform
2 1 (3.70%) HockeyApp
Vendors
1 7 (25.93%) Microsoft
2 5 (18.52%) Cisco
2 5 (18.52%) Google
2 5 (18.52%) TIBCO
3 2 (7.41%) Adobe
3 2 (7.41%) Red Hat
4 1 (3.70%) Apple
4 1 (3.70%) Twitter
4 1 (3.70%) Xamarin