The following table provides summary statistics for contract job vacancies advertised in England with a requirement for JSON skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JSON over the 3 months to 29 June 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
UK > England
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 94 110 144
Rank change year-on-year +16 +34  
Contract jobs citing JSON 1136 1069 843
As % of all contract IT jobs advertised in England 2.63% 2.17% 1.65%
As % of the Libraries, Frameworks & Software Standards category 8.16% 7.46% 5.91%
Number of daily rates quoted 761 782 610
England median daily rate £460 £425 £400
Median daily rate % change year-on-year +8.23% +6.25%  
10th Percentile £325 £313 £300
90th Percentile £590 £563 £538
UK median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25%  
Number of hourly rates quoted 17 5 10
England median hourly rate £36.00 £37.50 £37.50
Median hourly rate % change year-on-year -4.00% -  
10th Percentile £16.02 £19.59 £18.20
90th Percentile £63.75 £46.10 £71.35
UK median hourly rate £36.00 £37.50 £37.50
% change year-on-year -4.00% -  

JSON is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in England with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
England
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 13930 14333 14266
As % of all contract IT job vacancies advertised in England 32.22% 29.08% 27.96%
Number of daily rates quoted 37646 39873 36060
England median daily rate £450 £425 £388
Median daily rate % change year-on-year +5.88% +9.67%  
10th Percentile £310 £300 £271
90th Percentile £600 £588 £575
UK median daily rate £434 £420 £388
% change year-on-year +3.21% +8.38%  
Number of hourly rates quoted 575 499 644
England median hourly rate £41.50 £36.00 £37.45
Median hourly rate % change year-on-year +15.27% -3.87%  
10th Percentile £19.82 £18.22 £16.43
90th Percentile £57.50 £48.99 £55.00
UK median hourly rate £42.50 £36.00 £37.80
% change year-on-year +18.05% -4.76%  

JSON
Job Vacancy Trend in England

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

Job vacancy trend for JSON in England

JSON
Contractor Daily Rate Trend in England

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

Contractor daily rate trend for JSON in England

JSON
Contractor Daily Rate Histogram in England

The daily rate distribution of IT jobs citing JSON in England over the 3 months to 29 June 2017.

Contractor daily rate histogram for JSON in England

JSON
Contractor Hourly Rate Trend in England

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing JSON in England.

Contractor hourly rate trend for JSON in England

JSON
Contractor Hourly Rate Histogram in England

The hourly rate distribution of IT jobs citing JSON in England over the 3 months to 29 June 2017.

Contractor hourly rate histogram for JSON in England

JSON
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the England region over the 3 months to 29 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +11 525 £475 +5.55% 112
South East +23 215 £450 - 43
East of England +44 124 £450 +5.88% 29
North of England +10 117 £425 +6.25% 73
Midlands +2 94 £475 +17.28% 23
West Midlands +7 65 £488 +17.65% 17
Yorkshire +3 54 £425 +9.32% 16
South West -19 53 £375 - 22
North West -8 46 £394 -12.50% 52
East Midlands -9 29 £381 +1.66% 6
North East +70 17 £475 +26.66% 5
JSON
UK

For the 6 months to 29 June 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 England region with a requirement for JSON.

1 1358 (62.27%) Agile Software Development
2 996 (45.67%) Java
3 978 (44.84%) XML
4 866 (39.71%) HTML
5 854 (39.16%) CSS
6 850 (38.97%) JavaScript
7 802 (36.77%) REST
8 674 (30.90%) TDD
9 630 (28.89%) Git (software)
10 587 (26.91%) Scrum
11 543 (24.90%) RESTful
12 542 (24.85%) SQL
13 529 (24.25%) Web Services
14 527 (24.16%) HTML5
15 477 (21.87%) Spring
16 474 (21.73%) Linux
17 466 (21.37%) Jenkins
18 444 (20.36%) Test Automation
19 437 (20.04%) Finance
20 434 (19.90%) Continuous Integration
21 411 (18.84%) SOAP
22 405 (18.57%) Ajax
22 405 (18.57%) AngularJS
23 398 (18.25%) CSS3
24 354 (16.23%) jQuery
25 351 (16.09%) Open Source
26 347 (15.91%) C#
27 344 (15.77%) Scala
28 330 (15.13%) Python
29 323 (14.81%) MongoDB

JSON
Co-occurring IT Skills in England 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
1 150 (6.88%) Confluence
2 123 (5.64%) Apache
3 103 (4.72%) JBoss
4 100 (4.59%) Tomcat
5 88 (4.03%) CMS
6 83 (3.81%) Mule
7 79 (3.62%) Oracle SOA Suite
8 75 (3.44%) WebSphere
9 61 (2.80%) WebLogic
10 50 (2.29%) Oracle Service Bus
11 36 (1.65%) Elasticsearch
11 36 (1.65%) IIS
12 34 (1.56%) Apache Spark
13 31 (1.42%) nginx
14 28 (1.28%) SharePoint
15 23 (1.05%) Drupal
15 23 (1.05%) WordPress
16 20 (0.92%) Adobe Experience Manager
17 18 (0.83%) Mule ESB
18 14 (0.64%) Sitecore CMS
Applications
1 14 (0.64%) Microsoft Excel
2 7 (0.32%) Photoshop
3 3 (0.14%) Adobe Creative Suite
3 3 (0.14%) MS Visio
4 2 (0.092%) Adobe Illustrator
4 2 (0.092%) Spreadsheet
5 1 (0.046%) 3ds Max
5 1 (0.046%) InVision
5 1 (0.046%) Microsoft Office
5 1 (0.046%) Microsoft PowerPoint
5 1 (0.046%) Microsoft Project
Business Applications
1 109 (5.00%) SAP Oil and Gas
2 24 (1.10%) Dynamics CRM
3 11 (0.50%) Adobe Campaign
3 11 (0.50%) Magento
3 11 (0.50%) Unica
4 8 (0.37%) Payment Gateway
5 4 (0.18%) Eloqua
5 4 (0.18%) Oracle BPM
5 4 (0.18%) SAP HCM
6 2 (0.092%) NetSuite
6 2 (0.092%) Oracle EBS
6 2 (0.092%) Oracle ERP
6 2 (0.092%) Salesforce.com CRM
6 2 (0.092%) Siebel CRM
6 2 (0.092%) Workday HCM
7 1 (0.046%) BASE24
7 1 (0.046%) Dynamics AX
7 1 (0.046%) Global One
7 1 (0.046%) Oracle Receivables
7 1 (0.046%) SAP R/3
Cloud Services
1 228 (10.45%) Amazon AWS
2 100 (4.59%) Microsoft Azure
3 77 (3.53%) GitHub
4 67 (3.07%) PaaS
5 46 (2.11%) SaaS
6 36 (1.65%) IaaS
7 34 (1.56%) Amazon EC2
8 21 (0.96%) Office 365
9 19 (0.87%) Cloud Computing
10 17 (0.78%) Salesforce Service Cloud
10 17 (0.78%) Virtual Private Cloud
11 16 (0.73%) Amazon S3
11 16 (0.73%) AWS Lambda
12 13 (0.60%) AWS CloudFormation
12 13 (0.60%) SuccessFactors
13 12 (0.55%) Adobe Analytics
14 10 (0.46%) Google Analytics
15 9 (0.41%) Azure Active Directory
15 9 (0.41%) OpenShift
15 9 (0.41%) Yammer
Communications & Networking
1 257 (11.78%) HTTP
2 77 (3.53%) SSL
3 55 (2.52%) TCP/IP
4 40 (1.83%) Internet
5 39 (1.79%) DNS
6 16 (0.73%) Intranet
7 15 (0.69%) Firewall
7 15 (0.69%) VPN
8 9 (0.41%) HTTPS
8 9 (0.41%) Wi-Fi
9 8 (0.37%) LDAP
9 8 (0.37%) Network Security
10 5 (0.23%) Wireshark
11 4 (0.18%) FTP
11 4 (0.18%) RTSP
11 4 (0.18%) tcpdump
11 4 (0.18%) X.509
12 3 (0.14%) Kerberos
12 3 (0.14%) MPLS
12 3 (0.14%) SMTP
Database & Business Intelligence
1 323 (14.81%) MongoDB
2 250 (11.46%) NoSQL
3 230 (10.55%) Relational Database
4 198 (9.08%) SQL Server
5 167 (7.66%) MySQL
6 138 (6.33%) PostgreSQL
7 103 (4.72%) Big Data
8 83 (3.81%) Hadoop
9 74 (3.39%) Apache Cassandra
10 55 (2.52%) RDBMS
11 33 (1.51%) SQLite
12 32 (1.47%) BusinessObjects
12 32 (1.47%) Oracle Database
13 31 (1.42%) Apache Hive
14 28 (1.28%) SQL Server 2012
15 27 (1.24%) DB2
15 27 (1.24%) Redis
16 21 (0.96%) Data Warehouse
16 21 (0.96%) SQL Server Integration Services
17 20 (0.92%) SQL Server 2008
Development Applications
1 630 (28.89%) Git (software)
2 466 (21.37%) Jenkins
3 309 (14.17%) JIRA
4 260 (11.92%) JUnit
5 259 (11.88%) Maven
6 239 (10.96%) Subversion
7 158 (7.24%) IntelliJ
8 141 (6.46%) Cucumber
8 141 (6.46%) Selenium
9 124 (5.69%) Gradle
10 95 (4.36%) Eclipse
11 74 (3.39%) Ant
12 73 (3.35%) Team Foundation Server
13 72 (3.30%) gulp
14 66 (3.03%) TeamCity
15 60 (2.75%) Mockito
16 57 (2.61%) Grunt
17 56 (2.57%) Bitbucket
18 54 (2.48%) SoapUI
19 50 (2.29%) WebDriver
General
1 437 (20.04%) Finance
2 248 (11.37%) Banking
3 131 (6.01%) Marketing
3 131 (6.01%) Telecoms
4 124 (5.69%) Manufacturing
5 109 (5.00%) Electronics
6 76 (3.48%) Retail
7 36 (1.65%) Games
8 31 (1.42%) Front Office
9 30 (1.38%) Investment Banking
10 24 (1.10%) Publishing
11 18 (0.83%) Advertising
12 15 (0.69%) Law
13 14 (0.64%) Legal
14 12 (0.55%) Automotive
15 6 (0.28%) Financial Institution
16 5 (0.23%) Back Office
17 4 (0.18%) Corporate Banking
18 3 (0.14%) Local Government
18 3 (0.14%) Retail Banking
Job Titles
1 1638 (75.10%) Developer
2 419 (19.21%) Java Developer
3 177 (8.12%) Scala Developer
4 167 (7.66%) Senior Developer
5 166 (7.61%) Architect
6 163 (7.47%) Front End Developer (Client-Side Developer)
7 145 (6.65%) JavaScript Developer
8 136 (6.24%) .NET Developer
9 111 (5.09%) Android Developer
10 102 (4.68%) Agile Developer
11 97 (4.45%) C# Developer
12 82 (3.76%) Full Stack Developer
13 80 (3.67%) Software Developer
14 79 (3.62%) C# .NET Developer
15 75 (3.44%) Web Developer
16 74 (3.39%) Angular Developer
16 74 (3.39%) HTML Developer
17 70 (3.21%) iOS Developer
18 68 (3.12%) Integration Developer
19 66 (3.03%) Node.js Developer
Libraries, Frameworks & Software Standards
1 978 (44.84%) XML
2 866 (39.71%) HTML
3 854 (39.16%) CSS
4 802 (36.77%) REST
5 543 (24.90%) RESTful
6 529 (24.25%) Web Services
7 527 (24.16%) HTML5
8 477 (21.87%) Spring
9 411 (18.84%) SOAP
10 405 (18.57%) Ajax
10 405 (18.57%) AngularJS
11 398 (18.25%) CSS3
12 354 (16.23%) jQuery
13 297 (13.62%) Node.js
14 289 (13.25%) .NET
15 244 (11.19%) Play Framework
16 214 (9.81%) XSLT
17 179 (8.21%) React
18 178 (8.16%) Hibernate
19 158 (7.24%) Middleware
Miscellaneous
1 151 (6.92%) Mobile App
2 147 (6.74%) User Experience
3 143 (6.56%) Greenfield Project
4 95 (4.36%) Analytical Skills
5 62 (2.84%) Computer Science
6 52 (2.38%) Enterprise Software
7 49 (2.25%) Algorithms
8 38 (1.74%) Data Structures
9 32 (1.47%) Animation
10 26 (1.19%) Linux Command Line
11 24 (1.10%) iPhone
11 24 (1.10%) Web 2.0
12 23 (1.05%) Foreign Exchange (FX)
13 22 (1.01%) iPad
14 20 (0.92%) Management Information System
15 19 (0.87%) Fintech
16 17 (0.78%) Social Media
17 16 (0.73%) Video on Demand
18 14 (0.64%) Private Cloud
19 13 (0.60%) Data Centre
Operating Systems
1 474 (21.73%) Linux
2 235 (10.77%) Unix
3 152 (6.97%) Android
4 128 (5.87%) Windows
5 107 (4.91%) Apple iOS
6 37 (1.70%) Ubuntu
7 35 (1.60%) Mac OS X
8 34 (1.56%) Windows Server
9 20 (0.92%) CentOS
10 18 (0.83%) Solaris
11 16 (0.73%) HPUX
11 16 (0.73%) Mac OS
12 15 (0.69%) Red Hat Enterprise Linux
13 14 (0.64%) Windows Server 2008
14 10 (0.46%) CoreOS
15 8 (0.37%) Windows Server 2012
16 4 (0.18%) AIX
16 4 (0.18%) Windows 7
16 4 (0.18%) Windows 8
17 2 (0.092%) Mac OS X Server
Processes & Methodologies
1 1358 (62.27%) Agile Software Development
2 674 (30.90%) TDD
3 587 (26.91%) Scrum
4 444 (20.36%) Test Automation
5 434 (19.90%) Continuous Integration
6 351 (16.09%) Open Source
7 316 (14.49%) MVC
8 288 (13.20%) Microservices
9 280 (12.84%) OO
10 244 (11.19%) Web Development
11 226 (10.36%) SOA
12 213 (9.77%) DevOps
13 200 (9.17%) BDD
14 195 (8.94%) Front End Development
15 186 (8.53%) Kanban
16 169 (7.75%) E-Commerce
17 166 (7.61%) Business Intelligence
18 147 (6.74%) Responsive Web Design
19 143 (6.56%) Unit Testing
20 138 (6.33%) API Development
Programming Languages
1 996 (45.67%) Java
2 850 (38.97%) JavaScript
3 542 (24.85%) SQL
4 347 (15.91%) C#
5 344 (15.77%) Scala
6 330 (15.13%) Python
7 270 (12.38%) Ruby
8 100 (4.59%) PHP
9 99 (4.54%) Shell Script
10 89 (4.08%) XPath
11 64 (2.93%) Objective-C
12 62 (2.84%) Apple Swift
12 62 (2.84%) T-SQL
13 56 (2.57%) C++
14 55 (2.52%) Bash Shell
15 50 (2.29%) Groovy
15 50 (2.29%) Perl
16 45 (2.06%) ES6
17 44 (2.02%) PowerShell
18 39 (1.79%) C
Qualifications
1 101 (4.63%) Degree
2 57 (2.61%) Security Cleared
3 46 (2.11%) SC Cleared
4 34 (1.56%) BPSS Clearance
4 34 (1.56%) Computer Science Degree
5 12 (0.55%) Master's Degree
6 6 (0.28%) ISEB
6 6 (0.28%) ISTQB
7 4 (0.18%) Microsoft Certification
8 2 (0.092%) AWS Certification
8 2 (0.092%) DV Cleared
8 2 (0.092%) MCP
9 1 (0.046%) CFA
9 1 (0.046%) ISTQB Foundation Certification
9 1 (0.046%) MCSE
9 1 (0.046%) PMI Certification
9 1 (0.046%) PMP
9 1 (0.046%) Sun Certification
Quality Assurance & Compliance
1 110 (5.04%) QA
2 27 (1.24%) MiFID
3 23 (1.05%) Dodd-Frank
3 23 (1.05%) EMIR
4 10 (0.46%) WCAG
5 8 (0.37%) HL7
6 7 (0.32%) FATCA
7 6 (0.28%) PCI DSS
8 5 (0.23%) COBIT
8 5 (0.23%) WAI
9 4 (0.18%) Disclosure Scotland
10 3 (0.14%) Data Quality
11 1 (0.046%) Actionable Recommendations
11 1 (0.046%) IFRS
11 1 (0.046%) IFRS 9
11 1 (0.046%) ISO 9001
11 1 (0.046%) ISO/IEC 27001
System Software
1 221 (10.13%) Docker
2 40 (1.83%) Active Directory
3 13 (0.60%) Apache ZooKeeper
3 13 (0.60%) VirtualBox
3 13 (0.60%) VMware Infrastructure
4 9 (0.41%) HDFS
4 9 (0.41%) LXC
5 5 (0.23%) UAG
5 5 (0.23%) Virtual Machines
6 3 (0.14%) Firmware
7 2 (0.092%) Apache Flume
7 2 (0.092%) Hyper-V
7 2 (0.092%) Varnish
7 2 (0.092%) VMware ESXi
Systems Management
1 159 (7.29%) Puppet
2 80 (3.67%) Ansible
3 64 (2.93%) Opscode Chef
4 17 (0.78%) Kubernetes
5 16 (0.73%) Terraform
6 12 (0.55%) Grafana
6 12 (0.55%) Hadoop YARN
6 12 (0.55%) Mesos
7 11 (0.50%) Kibana
8 10 (0.46%) Piwik
9 9 (0.41%) HP Fortify
10 8 (0.37%) Marathon
10 8 (0.37%) Nagios
11 7 (0.32%) WebSphere Cast Iron
12 6 (0.28%) ZABBIX
13 4 (0.18%) Graphite
13 4 (0.18%) HP Quality Center
13 4 (0.18%) Icinga
13 4 (0.18%) Salt
13 4 (0.18%) StatsD
Vendors
1 226 (10.36%) Oracle
2 141 (6.46%) SAP
3 130 (5.96%) Microsoft
4 125 (5.73%) Google
5 97 (4.45%) WSO2
6 62 (2.84%) IBM
7 57 (2.61%) MuleSoft
8 55 (2.52%) Adobe
9 53 (2.43%) Salesforce.com
10 38 (1.74%) Perforce
11 37 (1.70%) Apple
12 32 (1.47%) Red Hat
12 32 (1.47%) webMethods
13 23 (1.05%) Splunk
14 22 (1.01%) ServiceNow
15 19 (0.87%) Sitecore
16 16 (0.73%) Xamarin
17 15 (0.69%) VMware
18 14 (0.64%) Apigee
18 14 (0.64%) Telerik
City, London
Roc Search
Posted: 2 days ago
City, London
ComputAppoint
Rate: £400 - £445 per day
Posted: Yesterday
City, London
Haybrook IT Resourcing Ltd
Rate: Up to £500 per day
Posted: 1 hour ago
London
Wenham Carter
Rate: From £500 to £525 per day
Posted: Yesterday
Surrey
Cloud Computing International
Posted: 6 hours ago
London
Hydrogen Group
Rate: £300.00 - £400.00 per day
Posted: Yesterday
Bristol, Avon
People Source Consulting
Rate: £350 per day
Posted: Yesterday
London
Square One Resources
Rate: From £400 to £450 per day
Posted: Yesterday
Liverpool, Merseyside
Oscar
Rate: £350 - £450 per day
Posted: 2 days ago
West Yorkshire
The Bridge Ltd
Rate: £400 per day
Posted: Yesterday
Nottingham, Nottinghamshire
Computer People
Rate: £450.00 - £500.00 per day
Posted: 3 days ago
Liverpool, Merseyside
Uniting Ambition
Rate: £400 - 450 per day
Posted: 3 days ago
London
Careerwise UK Limited
Rate: £450 - £500 per day
Posted: 2 days ago
Cheshire
Capita Resourcing - IT Resourcing
Rate: £430 - £500 per day
Posted: 3 days ago
City, London
Oscar
Rate: £375 - £450 per day
Posted: 3 days ago
Leeds, West Yorkshire
The Bridge Ltd
Rate: From £400 to £450 per day
Posted: 3 days ago
Isleworth, Middlesex
Harvey Nash plc
Rate: £375 - £446 per day
Posted: Yesterday
Berkshire
Yoh
Rate: £350 - £400 per annum
Posted: 2 days ago
City, London
EPAM Systems
Rate: From £200 to £250 per day
Posted: 3 days ago
Brentwood, Essex
Peopleworks
Rate: From £60 to £65 per hour £60 to £65 Per Hour
Posted: 5 days ago
West Midlands
Oscar
Rate: £350 - £450 per day
Posted: 6 days ago
Essex
People Source Consulting
Rate: £500 - £525 per day
Posted: 3 days ago
West Midlands
Oscar
Rate: £350 - £450 per day
Posted: 6 days ago
Essex
People Source Consulting
Rate: £500 - £550 per day
Posted: 3 days ago
London
Computer People
Posted: 6 days ago
South East
People Source Consulting
Rate: £500 - £525 per day
Posted: 2 days ago
Sunbury-On-Thames, Middlesex
HAYS INFORMATION TECHNOLOGY
Rate: £550.00 per day
Posted: 2 days ago
Surrey
Capita Resourcing - IT Resourcing
Rate: £500 - £600 per day
Posted: 2 days ago
Central London / West End
Trust In Soda
Rate: From £450 to £460 per day
Posted: 6 days ago
London
Roc Search
Rate: £300 - £340 per day
Posted: 6 days ago