The following table provides summary statistics for contract job vacancies 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 26 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
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 88 121 150
Rank change year-on-year +33 +29  
Contract jobs citing JSON 1283 1100 873
As % of all contract IT jobs advertised in the UK 2.73% 2.07% 1.56%
As % of the Libraries, Frameworks & Software Standards category 8.52% 7.28% 5.67%
Number of daily rates quoted 836 791 625
Median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25%  
90% offered a daily rate of more than £338 £325 £300
10% offered a daily rate of more than £575 £550 £521
UK excluding London median daily rate £425 £400 £375
% change year-on-year +6.25% +6.66%  
Number of hourly rates quoted 14 5 10
Median hourly rate £36.00 £37.50 £37.50
Median hourly rate % change year-on-year -4.00% -  
90% offered a hourly rate of more than £18.27 £19.59 £19.64
10% offered a hourly rate of more than £62.50 £45.60 £70.73
UK excluding London median hourly rate £41.50 £29.14 £55.00
% change year-on-year +42.41% -47.01%  

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 with a requirement for industry standards, technical specifications and software library and framework skills.

Contract Software Library & Framework Skills
UK
Contract job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 15051 15100 15398
As % of all contract IT job vacancies advertised in the UK 32.01% 28.45% 27.53%
Number of daily rates quoted 10395 10636 10284
Median daily rate £425 £420 £388
Median daily rate % change year-on-year +1.19% +8.38%  
90% offered a daily rate of more than £315 £300 £285
10% offered a daily rate of more than £580 £550 £550
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 196 180 213
Median hourly rate £42.50 £36.00 £37.45
Median hourly rate % change year-on-year +18.05% -3.87%  
90% offered a hourly rate of more than £21.00 £18.80 £17.86
10% offered a hourly rate of more than £55.00 £50.00 £55.00
UK excluding London median hourly rate £42.50 £36.00 £40.00
% change year-on-year +18.05% -10.00%  

JSON
Job Vacancy Trend

The job posting trend of jobs advertised citing JSON as a proportion of all contract or permanent IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for JSON in the UK

JSON
Contractor Daily Rate Trend

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

Contractor daily rate trend for JSON in the UK

JSON
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing JSON over the 3 months to 26 June 2017.

Contractor daily rate histogram for JSON in the UK

JSON
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for JSON in the UK

JSON
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing JSON over the 3 months to 26 June 2017.

Contractor hourly rate histogram for JSON in the UK

JSON
Top 30 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON within the UK over the 3 months to 26 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
England +20 1158 £460 +8.23% 318
London +12 522 £475 +5.55% 123
South East +28 227 £450 - 37
East of England +44 125 £450 +5.88% 32
City of London -1 81 £500 +17.64% 31
West Midlands +17 63 £482 +19.21% 20
Essex +26 60 £538 +19.44% 9
Yorkshire +15 57 £425 +9.32% 21
Buckinghamshire +28 54 £394 +12.50% 2
South West -11 54 £375 - 27
North West -9 49 £400 -11.11% 43
West Yorkshire +19 46 £425 +6.25% 13
Scotland +46 41 £375 +7.14% 9
West Sussex +3 40 £488 +5.56% 5
County Antrim - 40 £400 -
Northern Ireland - 40 £400 -
Belfast - 39 £400 -
Shropshire +18 35 £505 +21.68% 1
East Midlands -6 35 £394 +5.00% 8
Berkshire +20 34 £425 -10.52% 8
Telford +15 34 £505 +21.68% 1
Milton Keynes +15 33 £388 -3.12% 1
Glasgow +21 27 £388 +26.53% 5
Leeds +18 27 £365 -7.59% 12
Hertfordshire +14 27 £400 -5.88% 7
Cheshire +14 25 £450 -5.26% 10
Hampshire +13 21 £350 +8.52% 5
Nottinghamshire +6 21 £381 +8.92% 5
Manchester -2 21 £375 -6.25% 25
Kent -4 21 £345 - 4

For the 6 months to 26 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 with a requirement for JSON.

1 1461 (61.78%) Agile Software Development
2 1098 (46.43%) Java
3 1073 (45.37%) XML
4 945 (39.96%) HTML
5 927 (39.20%) CSS
6 901 (38.10%) JavaScript
7 855 (36.15%) REST
8 690 (29.18%) Git (software)
9 688 (29.09%) TDD
10 656 (27.74%) Scrum
11 614 (25.96%) RESTful
12 597 (25.24%) Web Services
13 596 (25.20%) SQL
14 578 (24.44%) HTML5
15 537 (22.71%) Spring
16 521 (22.03%) Linux
17 513 (21.69%) Jenkins
18 498 (21.06%) Test Automation
19 487 (20.59%) Finance
20 457 (19.32%) Continuous Integration
21 439 (18.56%) SOAP
22 434 (18.35%) AngularJS
23 427 (18.05%) Ajax
24 424 (17.93%) CSS3
25 411 (17.38%) C#
26 384 (16.24%) Open Source
27 381 (16.11%) jQuery
28 374 (15.81%) MVC
29 367 (15.52%) Python
29 367 (15.52%) Scala

JSON
Co-occurring IT Skills 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
1 171 (7.23%) Confluence
2 131 (5.54%) Apache
3 108 (4.57%) JBoss
4 102 (4.31%) Tomcat
5 93 (3.93%) Oracle SOA Suite
6 89 (3.76%) CMS
7 83 (3.51%) WebSphere
8 82 (3.47%) Mule
9 64 (2.71%) WebLogic
10 50 (2.11%) Oracle Service Bus
11 41 (1.73%) Elasticsearch
12 38 (1.61%) IIS
13 37 (1.56%) Apache Spark
14 31 (1.31%) nginx
15 29 (1.23%) SharePoint
16 23 (0.97%) WordPress
17 22 (0.93%) Adobe Experience Manager
17 22 (0.93%) Drupal
18 17 (0.72%) Mule ESB
19 16 (0.68%) Sitecore CMS
Applications
1 15 (0.63%) Microsoft Excel
2 7 (0.30%) Photoshop
3 3 (0.13%) Adobe Creative Suite
3 3 (0.13%) MS Visio
4 2 (0.085%) Adobe Illustrator
4 2 (0.085%) InVision
4 2 (0.085%) Microsoft Project
4 2 (0.085%) Spreadsheet
5 1 (0.042%) 3ds Max
5 1 (0.042%) Microsoft Office
5 1 (0.042%) Microsoft PowerPoint
Business Applications
1 108 (4.57%) SAP Oil and Gas
2 25 (1.06%) Dynamics CRM
3 11 (0.47%) Adobe Campaign
3 11 (0.47%) Magento
3 11 (0.47%) Unica
4 8 (0.34%) Payment Gateway
5 4 (0.17%) Eloqua
5 4 (0.17%) Oracle BPM
5 4 (0.17%) SAP HCM
6 2 (0.085%) NetSuite
6 2 (0.085%) Oracle EBS
6 2 (0.085%) Oracle ERP
6 2 (0.085%) Oracle Receivables
6 2 (0.085%) Salesforce.com CRM
6 2 (0.085%) Siebel CRM
6 2 (0.085%) Workday HCM
7 1 (0.042%) Actimize
7 1 (0.042%) BASE24
7 1 (0.042%) Dynamics AX
7 1 (0.042%) Global One
Cloud Services
1 224 (9.47%) Amazon AWS
2 104 (4.40%) Microsoft Azure
3 84 (3.55%) GitHub
4 67 (2.83%) PaaS
5 41 (1.73%) SaaS
6 35 (1.48%) IaaS
7 34 (1.44%) Amazon EC2
8 21 (0.89%) Office 365
9 20 (0.85%) Amazon S3
10 18 (0.76%) Cloud Computing
11 17 (0.72%) Salesforce Service Cloud
11 17 (0.72%) Virtual Private Cloud
12 15 (0.63%) AWS Lambda
13 13 (0.55%) SuccessFactors
14 12 (0.51%) Adobe Analytics
14 12 (0.51%) Google Analytics
15 11 (0.47%) AWS CloudFormation
16 10 (0.42%) Azure Active Directory
16 10 (0.42%) Heroku
17 9 (0.38%) Yammer
Communications & Networking
1 286 (12.09%) HTTP
2 77 (3.26%) SSL
3 55 (2.33%) TCP/IP
4 39 (1.65%) Internet
5 38 (1.61%) DNS
6 16 (0.68%) Intranet
7 15 (0.63%) Firewall
7 15 (0.63%) VPN
8 9 (0.38%) HTTPS
8 9 (0.38%) Wi-Fi
9 7 (0.30%) LDAP
10 6 (0.25%) Network Security
11 5 (0.21%) RTSP
11 5 (0.21%) Wireshark
12 4 (0.17%) Bluetooth
12 4 (0.17%) FTP
12 4 (0.17%) tcpdump
13 3 (0.13%) Kerberos
13 3 (0.13%) SMTP
13 3 (0.13%) X.509
Database & Business Intelligence
1 349 (14.76%) MongoDB
2 278 (11.75%) Relational Database
3 260 (10.99%) NoSQL
4 228 (9.64%) SQL Server
5 184 (7.78%) MySQL
6 156 (6.60%) PostgreSQL
7 111 (4.69%) Big Data
8 83 (3.51%) Hadoop
9 74 (3.13%) Apache Cassandra
10 53 (2.24%) RDBMS
11 39 (1.65%) DB2
12 36 (1.52%) Oracle Database
13 34 (1.44%) SQLite
14 32 (1.35%) Apache Hive
14 32 (1.35%) BusinessObjects
15 29 (1.23%) Redis
15 29 (1.23%) SQL Server 2012
16 22 (0.93%) SQL Server 2008
16 22 (0.93%) SQL Server Integration Services
17 21 (0.89%) Data Warehouse
Development Applications
1 690 (29.18%) Git (software)
2 513 (21.69%) Jenkins
3 348 (14.71%) JIRA
4 291 (12.30%) JUnit
5 280 (11.84%) Maven
6 264 (11.16%) Subversion
7 168 (7.10%) IntelliJ
8 164 (6.93%) Selenium
9 158 (6.68%) Cucumber
10 138 (5.84%) Gradle
11 107 (4.52%) Eclipse
12 91 (3.85%) Ant
13 79 (3.34%) Team Foundation Server
14 72 (3.04%) gulp
15 69 (2.92%) Bitbucket
16 67 (2.83%) WebDriver
17 66 (2.79%) Mockito
18 64 (2.71%) SoapUI
18 64 (2.71%) TeamCity
19 58 (2.45%) Grunt
General
1 487 (20.59%) Finance
2 299 (12.64%) Banking
3 132 (5.58%) Marketing
4 131 (5.54%) Telecoms
5 123 (5.20%) Manufacturing
6 108 (4.57%) Electronics
7 77 (3.26%) Retail
8 42 (1.78%) Front Office
9 35 (1.48%) Games
10 33 (1.40%) Investment Banking
11 22 (0.93%) Publishing
12 18 (0.76%) Advertising
13 15 (0.63%) Law
13 15 (0.63%) Legal
14 12 (0.51%) Automotive
15 8 (0.34%) International Banking
16 6 (0.25%) Financial Institution
17 5 (0.21%) Back Office
18 4 (0.17%) Corporate Banking
18 4 (0.17%) Retail Banking
Job Titles
1 1780 (75.26%) Developer
2 469 (19.83%) Java Developer
3 194 (8.20%) Senior Developer
4 189 (7.99%) Scala Developer
5 168 (7.10%) Front End Developer (Client-Side Developer)
6 167 (7.06%) Architect
7 165 (6.98%) JavaScript Developer
8 157 (6.64%) .NET Developer
9 125 (5.29%) C# Developer
10 117 (4.95%) Android Developer
11 101 (4.27%) Agile Developer
12 90 (3.81%) C# .NET Developer
13 89 (3.76%) Full Stack Developer
13 89 (3.76%) Software Developer
14 88 (3.72%) Angular Developer
15 85 (3.59%) iOS Developer
16 82 (3.47%) HTML Developer
17 79 (3.34%) UI Developer
17 79 (3.34%) Web Developer
18 68 (2.88%) Node.js Developer
Libraries, Frameworks & Software Standards
1 1073 (45.37%) XML
2 945 (39.96%) HTML
3 927 (39.20%) CSS
4 855 (36.15%) REST
5 614 (25.96%) RESTful
6 597 (25.24%) Web Services
7 578 (24.44%) HTML5
8 537 (22.71%) Spring
9 439 (18.56%) SOAP
10 434 (18.35%) AngularJS
11 427 (18.05%) Ajax
12 424 (17.93%) CSS3
13 381 (16.11%) jQuery
14 337 (14.25%) .NET
15 305 (12.90%) Node.js
16 271 (11.46%) Play Framework
17 215 (9.09%) XSLT
18 197 (8.33%) Hibernate
19 181 (7.65%) React
20 173 (7.32%) Django
Miscellaneous
1 168 (7.10%) User Experience
2 158 (6.68%) Mobile App
3 142 (6.00%) Greenfield Project
4 99 (4.19%) Analytical Skills
5 69 (2.92%) Computer Science
6 62 (2.62%) Algorithms
7 55 (2.33%) Enterprise Software
8 42 (1.78%) Data Structures
9 36 (1.52%) Animation
9 36 (1.52%) Linux Command Line
10 35 (1.48%) iPhone
11 32 (1.35%) iPad
12 31 (1.31%) Foreign Exchange (FX)
13 24 (1.01%) Web 2.0
14 21 (0.89%) Management Information System
15 20 (0.85%) Fintech
15 20 (0.85%) Social Media
16 19 (0.80%) Virtual Team
17 16 (0.68%) Video on Demand
18 14 (0.59%) Derivative
Operating Systems
1 521 (22.03%) Linux
2 259 (10.95%) Unix
3 158 (6.68%) Android
4 128 (5.41%) Windows
5 121 (5.12%) Apple iOS
6 43 (1.82%) Mac OS X
7 37 (1.56%) Ubuntu
8 34 (1.44%) Windows Server
9 21 (0.89%) CentOS
10 19 (0.80%) Red Hat Enterprise Linux
11 16 (0.68%) Solaris
12 15 (0.63%) HPUX
12 15 (0.63%) Mac OS
13 14 (0.59%) Windows Server 2008
14 10 (0.42%) CoreOS
15 8 (0.34%) Windows Server 2012
16 5 (0.21%) Debian
17 4 (0.17%) AIX
17 4 (0.17%) Windows 7
17 4 (0.17%) Windows 8
Processes & Methodologies
1 1461 (61.78%) Agile Software Development
2 688 (29.09%) TDD
3 656 (27.74%) Scrum
4 498 (21.06%) Test Automation
5 457 (19.32%) Continuous Integration
6 384 (16.24%) Open Source
7 374 (15.81%) MVC
8 332 (14.04%) Microservices
8 332 (14.04%) OO
9 249 (10.53%) Web Development
10 246 (10.40%) SOA
11 208 (8.79%) DevOps
12 202 (8.54%) Front End Development
13 201 (8.50%) BDD
14 186 (7.86%) Kanban
15 169 (7.15%) E-Commerce
16 168 (7.10%) Responsive Web Design
17 167 (7.06%) Business Intelligence
18 163 (6.89%) Unit Testing
19 161 (6.81%) Software Engineering
Programming Languages
1 1098 (46.43%) Java
2 901 (38.10%) JavaScript
3 596 (25.20%) SQL
4 411 (17.38%) C#
5 367 (15.52%) Python
5 367 (15.52%) Scala
6 287 (12.14%) Ruby
7 111 (4.69%) Shell Script
8 104 (4.40%) PHP
9 88 (3.72%) XPath
10 76 (3.21%) Objective-C
11 75 (3.17%) Apple Swift
12 69 (2.92%) T-SQL
13 67 (2.83%) C++
14 61 (2.58%) PL/SQL
15 57 (2.41%) Bash Shell
16 52 (2.20%) Perl
17 51 (2.16%) Groovy
18 46 (1.95%) ES6
19 45 (1.90%) C
Qualifications
1 105 (4.44%) Degree
2 66 (2.79%) Security Cleared
3 51 (2.16%) SC Cleared
4 42 (1.78%) BPSS Clearance
5 37 (1.56%) Computer Science Degree
6 12 (0.51%) Master's Degree
7 6 (0.25%) ISEB
8 5 (0.21%) ISTQB
9 4 (0.17%) Microsoft Certification
10 3 (0.13%) DV Cleared
11 2 (0.085%) AWS Certification
11 2 (0.085%) MCP
12 1 (0.042%) CFA
12 1 (0.042%) ISTQB Foundation Certification
12 1 (0.042%) MCSE
12 1 (0.042%) PMI Certification
12 1 (0.042%) PMP
12 1 (0.042%) Sun Certification
Quality Assurance & Compliance
1 117 (4.95%) QA
2 36 (1.52%) MiFID
3 32 (1.35%) Dodd-Frank
3 32 (1.35%) EMIR
4 11 (0.47%) WCAG
5 8 (0.34%) HL7
6 7 (0.30%) FATCA
7 6 (0.25%) Disclosure Scotland
7 6 (0.25%) PCI DSS
8 5 (0.21%) COBIT
8 5 (0.21%) WAI
9 3 (0.13%) Data Quality
10 1 (0.042%) Actionable Recommendations
10 1 (0.042%) IFRS
10 1 (0.042%) IFRS 9
10 1 (0.042%) ISO 9001
10 1 (0.042%) ISO/IEC 27001
System Software
1 238 (10.06%) Docker
2 40 (1.69%) Active Directory
3 13 (0.55%) VirtualBox
3 13 (0.55%) VMware Infrastructure
4 12 (0.51%) Apache ZooKeeper
5 9 (0.38%) LXC
6 8 (0.34%) HDFS
7 5 (0.21%) UAG
7 5 (0.21%) Virtual Machines
8 3 (0.13%) Apache Flume
8 3 (0.13%) Firmware
9 2 (0.085%) Hyper-V
9 2 (0.085%) VMware ESXi
10 1 (0.042%) Varnish
Systems Management
1 178 (7.53%) Puppet
2 77 (3.26%) Ansible
3 72 (3.04%) Opscode Chef
4 16 (0.68%) Terraform
5 13 (0.55%) Grafana
5 13 (0.55%) Kibana
5 13 (0.55%) Kubernetes
6 12 (0.51%) Hadoop YARN
6 12 (0.51%) Mesos
7 10 (0.42%) Piwik
8 9 (0.38%) HP Fortify
9 8 (0.34%) Marathon
9 8 (0.34%) Nagios
10 7 (0.30%) WebSphere Cast Iron
11 6 (0.25%) ZABBIX
12 4 (0.17%) Graphite
12 4 (0.17%) HP Quality Center
12 4 (0.17%) Icinga
12 4 (0.17%) Salt
12 4 (0.17%) StatsD
Vendors
1 247 (10.44%) Oracle
2 149 (6.30%) Microsoft
3 145 (6.13%) Google
4 140 (5.92%) SAP
5 94 (3.97%) WSO2
6 69 (2.92%) IBM
7 58 (2.45%) Adobe
8 54 (2.28%) MuleSoft
8 54 (2.28%) Perforce
9 53 (2.24%) Salesforce.com
10 44 (1.86%) Apple
11 36 (1.52%) Red Hat
12 34 (1.44%) webMethods
13 26 (1.10%) Splunk
14 21 (0.89%) ServiceNow
14 21 (0.89%) Sitecore
15 19 (0.80%) Siebel
16 16 (0.68%) Sybase
16 16 (0.68%) Xamarin
17 15 (0.63%) VMware
Bath
Nigel Frank International
Posted: 3 days ago
Brentwood, Essex
Peopleworks
Rate: From £60 to £65 per hour £60 to £65 Per Hour
Posted: Yesterday
London
Volt
Rate: £500.00 - £550.00 per day
Posted: 2 days ago
Newcastle upon Tyne
Pearson Frank
Rate: £350 - £400 per day
Posted: 3 days ago
West Midlands
Oscar
Rate: £350 - £450 per day
Posted: 2 days ago
West Midlands
Oscar
Rate: £350 - £450 per day
Posted: 2 days ago
Leeds, West Yorkshire
Bentley Whitaker
Rate: From £450 to £500 per annum
Posted: 3 days ago
London
Salt
Rate: £400 - £450 per day
Posted: 6 days ago
London
IntaPeople
Rate: £400 - £465 per day
Posted: 3 days ago
London
Computer People
Posted: 3 days ago
Greater Manchester
Spier Consulting Ltd
Rate: £300 - £320 per day
Posted: 4 days ago
London
Volt
Rate: £400.00 - £420.00 per day
Posted: 3 days ago
Central London / West End
Trust In Soda
Rate: From £450 to £460 per day
Posted: 3 days ago
London
Volt
Rate: £450 - £550.00 per day
Posted: 3 days ago
Liverpool, Merseyside
Oscar
Rate: £350 - £400 per day
Posted: 6 days ago
West Sussex
Bentley Whitaker
Rate: From £450 to £500 per day
Posted: 5 days ago
City, London
Salt
Rate: £400.00 - £500.00 per day
Posted: 6 days ago
North London
Coded People
Rate: £250 - £300 per day
Posted: 5 days ago
Cambridge, Cambridgeshire
Harvey Nash plc
Posted: 5 days ago
UK
Interact Consulting
Rate: 500-575pd
Posted: 5 days ago
London
Networking People
Rate: £300 - £340 per day + Long term contract
Posted: 4 days ago
Edinburgh, Midlothian
Harvey Nash plc
Rate: Day rate only
Posted: 2 days ago
East London
Careerwise UK Limited
Rate: £500 - £550 per day
Posted: 4 days ago
London
Roc Search
Rate: £300 - £340 per day
Posted: 3 days ago
UK Wide
Bentley Whitaker
Rate: £450 - £500+ per day
Posted: 7 days ago
City, London
IntaPeople
Rate: £350 - £400 per day
Posted: 3 days ago
West Midlands
Bentley Whitaker
Rate: £400 - £500+ per day
Posted: 7 days ago
City, London
Understanding Recruitment
Rate: £400 - £500 per day
Posted: 5 days ago
London
Haybrook IT Resourcing Ltd
Rate: Up to £600 per annum
Posted: 3 days ago
London
TEKsystems
Rate: Market Rate
Posted: 6 days ago