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 23 March 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.

3 months to
23 Mar 2017
Same period 2016 Same period 2015
JSON
UK
Rank 92 158 158
Rank change year-on-year +66 0  
Contract jobs citing JSON 1083 812 778
As % of all contract IT jobs advertised in the UK 2.42% 1.54% 1.49%
As % of the Libraries, Frameworks & Software Standards category 7.73% 5.49% 5.59%
Number of daily rates quoted 751 551 505
Median daily rate £450 £413 £375
Median daily rate % change year-on-year +9.09% +10.00%  
90% offered a daily rate of more than £325 £310 £300
10% offered a daily rate of more than £550 £550 £500
UK excluding London median daily rate £413 £375 £350
% change year-on-year +10.00% +7.14%  
Number of hourly rates quoted 13 5 7
Median hourly rate £36.00 £55.00 £37.50
Median hourly rate % change year-on-year -34.54% +46.66%  
90% offered a hourly rate of more than £23.80 £49.40 £17.30
10% offered a hourly rate of more than £42.90 £57.75 £40.00
UK excluding London median hourly rate £36.50 £55.00 £37.50
% change year-on-year -33.63% +46.66%  

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 14008 14779 13928
As % of all contract IT job vacancies advertised in the UK 31.32% 27.98% 26.60%
Number of daily rates quoted 9711 10236 9022
Median daily rate £425 £400 £388
Median daily rate % change year-on-year +6.25% +3.22%  
90% offered a daily rate of more than £300 £300 £278
10% offered a daily rate of more than £563 £550 £550
UK excluding London median daily rate £375 £363 £350
% change year-on-year +3.44% +3.57%  
Number of hourly rates quoted 177 227 188
Median hourly rate £42.50 £38.75 £35.00
Median hourly rate % change year-on-year +9.67% +10.71%  
90% offered a hourly rate of more than £16.50 £13.75 £20.00
10% offered a hourly rate of more than £55.00 £57.75 £47.00
UK excluding London median hourly rate £40.00 £38.00 £36.00
% change year-on-year +5.26% +5.55%  

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 23 March 2017.

Contractor daily rate histogram for JSON in the UK

JSON
Contractor Hourly Rate Trend

This chart provides the 3-month moving average for hourly rates quoted in IT contractor 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 23 March 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 23 March 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 +67 1014 £450 +7.14% 325
London +51 454 £475 +8.26% 116
South East +32 148 £425 +6.25% 51
East of England +34 80 £400 +23.07% 23
North East +35 69 £385 +10.00% 7
City of London +13 62 £488 +14.70% 33
Newcastle upon Tyne +33 61 £385 +14.07% 6
Tyne and Wear +26 61 £385 +10.00% 7
Yorkshire +20 54 £488 +21.87% 31
North West -5 54 £400 -1.23% 35
South West +29 52 £375 +7.14% 35
West Midlands +24 52 £463 -6.09% 15
West Yorkshire +17 41 £550 +22.22% 20
East Midlands +12 39 £375 +2.73% 11
Manchester +15 33 £373 -12.27% 20
Essex +3 33 £363 -9.37% 9
Surrey +34 31 £425 +6.25% 11
Leeds +8 31 £525 +16.66% 16
West Sussex -14 28 £488 +21.87% 6
Scotland +8 26 £369 +3.14% 9
Berkshire +21 22 £450 +20.00% 10
Telford +33 20 £475 -9.52% 3
Kent +29 20 £338 +3.84% 1
Shropshire +19 20 £475 -6.86% 4
Cambridgeshire +20 19 £375 +2.04% 5
Oxfordshire -2 19 £500 +17.64% 3
Northern Ireland - 19 £375 -
County Antrim - 19 £375 -
Belfast - 19 £375 -
Nottinghamshire +15 18 £375 +12.78% 3

JSON
Top 30 Related IT Skills

For the 6 months to 23 March 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 1298 (57.69%) Agile Software Development
2 1129 (50.18%) Java
3 1044 (46.40%) XML
4 972 (43.20%) HTML
5 911 (40.49%) CSS
6 905 (40.22%) REST
7 896 (39.82%) JavaScript
8 637 (28.31%) Web Services
9 621 (27.60%) TDD
10 609 (27.07%) SQL
11 606 (26.93%) Scrum
12 565 (25.11%) Git (software)
13 538 (23.91%) RESTful
14 529 (23.51%) HTML5
15 512 (22.76%) Linux
16 496 (22.04%) Spring
17 487 (21.64%) SOAP
18 476 (21.16%) Jenkins
19 431 (19.16%) AngularJS
20 400 (17.78%) CSS3
21 378 (16.80%) Continuous Integration
22 377 (16.76%) Ajax
23 376 (16.71%) MVC
24 367 (16.31%) jQuery
25 359 (15.96%) Python
26 340 (15.11%) OO
26 340 (15.11%) Finance
27 329 (14.62%) C#
28 323 (14.36%) JIRA
29 320 (14.22%) Oracle

JSON
Top Related 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
1 159 (7.07%) Confluence
2 117 (5.20%) CMS
3 114 (5.07%) Apache
4 103 (4.58%) Oracle SOA Suite
5 88 (3.91%) Tomcat
6 79 (3.51%) WebLogic
6 79 (3.51%) WebSphere
7 76 (3.38%) JBoss
8 57 (2.53%) Mule
9 48 (2.13%) Apache Spark
10 45 (2.00%) Adobe Experience Manager
11 43 (1.91%) Elasticsearch
12 40 (1.78%) Apache Solr
13 35 (1.56%) Drupal
14 31 (1.38%) IIS
15 25 (1.11%) Oracle Service Bus
16 22 (0.98%) SharePoint
17 21 (0.93%) Mule ESB
17 21 (0.93%) Sitecore CMS
18 19 (0.84%) WordPress
Applications
1 43 (1.91%) MS Excel
2 7 (0.31%) Photoshop
3 4 (0.18%) Adobe Illustrator
3 4 (0.18%) MS PowerPoint
4 3 (0.13%) GIMP
4 3 (0.13%) MS Project
4 3 (0.13%) MS Visio
5 2 (0.089%) 3ds Max
5 2 (0.089%) InDesign
5 2 (0.089%) InVision
5 2 (0.089%) MS Office
6 1 (0.044%) Adobe Creative Suite
Business Applications
1 78 (3.47%) SAP Oil and Gas
2 28 (1.24%) Adobe Campaign
3 26 (1.16%) Unica
4 17 (0.76%) Dynamics CRM
5 12 (0.53%) Magento
6 11 (0.49%) Oracle BPM
7 9 (0.40%) Workday HCM
8 7 (0.31%) SAP HCM
9 6 (0.27%) Payment Gateway
10 4 (0.18%) Eloqua
10 4 (0.18%) SAP HR
11 3 (0.13%) BusinessWorks
11 3 (0.13%) Fredhopper
11 3 (0.13%) NetSuite
11 3 (0.13%) Oracle EBS
12 2 (0.089%) Dynamics AX
12 2 (0.089%) Oracle ERP
12 2 (0.089%) Salesforce.com CRM
13 1 (0.044%) Global One
13 1 (0.044%) SAP R/3
Cloud Services
1 221 (9.82%) Amazon AWS
2 134 (5.96%) Microsoft Azure
3 113 (5.02%) GitHub
4 81 (3.60%) PaaS
5 51 (2.27%) IaaS
6 38 (1.69%) Amazon EC2
7 27 (1.20%) SaaS
8 26 (1.16%) Amazon S3
9 23 (1.02%) Virtual Private Cloud
10 20 (0.89%) Cloud Computing
11 16 (0.71%) Amazon ELB
11 16 (0.71%) AWS CloudFormation
12 14 (0.62%) Adobe Analytics
12 14 (0.62%) Amazon CloudWatch
13 13 (0.58%) AWS Elastic Beanstalk
14 11 (0.49%) Amazon Kinesis
14 11 (0.49%) Amazon SQS
14 11 (0.49%) Office 365
15 10 (0.44%) Google Analytics
15 10 (0.44%) OpenShift
Communications & Networking
1 275 (12.22%) HTTP
2 56 (2.49%) SSL
3 52 (2.31%) TCP/IP
4 31 (1.38%) DNS
5 27 (1.20%) Internet
6 14 (0.62%) VPN
7 12 (0.53%) HTTPS
7 12 (0.53%) Intranet
7 12 (0.53%) RTSP
8 11 (0.49%) Firewall
9 8 (0.36%) AMQP
9 8 (0.36%) MQTT
9 8 (0.36%) Network Security
10 7 (0.31%) Kerberos
11 6 (0.27%) LDAP
12 5 (0.22%) SMTP
13 4 (0.18%) Bluetooth
13 4 (0.18%) DHCP
13 4 (0.18%) LAN
13 4 (0.18%) WAN
Database & Business Intelligence
1 307 (13.64%) MongoDB
2 267 (11.87%) NoSQL
3 261 (11.60%) Relational Database
4 223 (9.91%) SQL Server
5 213 (9.47%) MySQL
6 138 (6.13%) PostgreSQL
7 89 (3.96%) Apache Cassandra
7 89 (3.96%) Big Data
8 76 (3.38%) Oracle Database
9 69 (3.07%) Hadoop
10 64 (2.84%) DB2
11 35 (1.56%) RDBMS
12 32 (1.42%) SQLite
13 26 (1.16%) Redis
14 24 (1.07%) Data Warehouse
15 23 (1.02%) BusinessObjects
15 23 (1.02%) Neo4j
16 20 (0.89%) SQL Server 2008
16 20 (0.89%) SQL Server Integration Services
17 19 (0.84%) Apache Hive
Development Applications
1 565 (25.11%) Git (software)
2 476 (21.16%) Jenkins
3 323 (14.36%) JIRA
4 305 (13.56%) JUnit
5 250 (11.11%) Maven
6 225 (10.00%) Selenium
7 217 (9.64%) Cucumber
8 167 (7.42%) Subversion
9 135 (6.00%) Gradle
10 106 (4.71%) Eclipse
11 96 (4.27%) Ant
12 90 (4.00%) WebDriver
13 88 (3.91%) IntelliJ
14 83 (3.69%) Mockito
15 77 (3.42%) TeamCity
16 66 (2.93%) SoapUI
16 66 (2.93%) Team Foundation Server
17 53 (2.36%) Jasmine
17 53 (2.36%) JMeter
18 51 (2.27%) gulp
General
1 340 (15.11%) Finance
2 192 (8.53%) Banking
3 104 (4.62%) Marketing
4 100 (4.44%) Telecoms
5 89 (3.96%) Manufacturing
6 78 (3.47%) Electronics
7 77 (3.42%) Retail
8 55 (2.44%) Games
9 35 (1.56%) Publishing
10 22 (0.98%) Investment Banking
11 19 (0.84%) Automotive
11 19 (0.84%) Front Office
12 17 (0.76%) Advertising
13 16 (0.71%) Law
13 16 (0.71%) Legal
14 7 (0.31%) Aerospace
15 6 (0.27%) Back Office
16 4 (0.18%) French Language
16 4 (0.18%) Multimedia
17 3 (0.13%) Online Betting
Job Titles
1 1573 (69.91%) Developer
2 498 (22.13%) Java Developer
3 240 (10.67%) Architect
4 179 (7.96%) Front End Developer (Client-Side Developer)
5 153 (6.80%) JavaScript Developer
6 143 (6.36%) Senior Developer
7 123 (5.47%) .NET Developer
8 120 (5.33%) Scala Developer
9 100 (4.44%) Android Developer
10 96 (4.27%) C# Developer
11 82 (3.64%) Solutions Architect
12 80 (3.56%) Technical Architect
13 79 (3.51%) Web Developer
14 74 (3.29%) Angular Developer
15 68 (3.02%) Agile Developer
15 68 (3.02%) C# .NET Developer
15 68 (3.02%) HTML Developer
16 63 (2.80%) Senior Java Developer
16 63 (2.80%) UI Developer
17 55 (2.44%) iOS Developer
Libraries, Frameworks & Software Standards
1 1044 (46.40%) XML
2 972 (43.20%) HTML
3 911 (40.49%) CSS
4 905 (40.22%) REST
5 637 (28.31%) Web Services
6 538 (23.91%) RESTful
7 529 (23.51%) HTML5
8 496 (22.04%) Spring
9 487 (21.64%) SOAP
10 431 (19.16%) AngularJS
11 400 (17.78%) CSS3
12 377 (16.76%) Ajax
13 367 (16.31%) jQuery
14 283 (12.58%) .NET
15 253 (11.24%) Node.js
16 200 (8.89%) Hibernate
16 200 (8.89%) Play Framework
17 190 (8.44%) XSLT
18 166 (7.38%) J2EE
19 165 (7.33%) React
Miscellaneous
1 178 (7.91%) User Experience
2 148 (6.58%) Mobile App
3 136 (6.04%) Analytical Skills
4 75 (3.33%) Computer Science
5 45 (2.00%) Algorithms
6 35 (1.56%) Enterprise Software
7 30 (1.33%) Linux Command Line
8 28 (1.24%) Animation
9 27 (1.20%) iPhone
10 24 (1.07%) Data Structures
11 21 (0.93%) Foreign Exchange (FX)
11 21 (0.93%) iPad
11 21 (0.93%) Management Information System
11 21 (0.93%) Web 2.0
12 18 (0.80%) Public Cloud
13 17 (0.76%) Derivative
14 16 (0.71%) Video on Demand
15 15 (0.67%) Data Centre
15 15 (0.67%) Social Media
16 14 (0.62%) Device Driver
Operating Systems
1 512 (22.76%) Linux
2 276 (12.27%) Unix
3 189 (8.40%) Windows
4 160 (7.11%) Android
5 112 (4.98%) Apple iOS
6 39 (1.73%) Windows Server
7 34 (1.51%) Ubuntu
8 29 (1.29%) Mac OS X
9 27 (1.20%) Red Hat Enterprise Linux
10 22 (0.98%) CentOS
11 15 (0.67%) AIX
12 14 (0.62%) Windows Server 2008
13 13 (0.58%) Solaris
14 11 (0.49%) HPUX
15 10 (0.44%) CoreOS
16 8 (0.36%) Windows Server 2012
17 7 (0.31%) webOS
17 7 (0.31%) Windows Phone
17 7 (0.31%) Windows Phone 7
18 6 (0.27%) Mac OS
Processes & Methodologies
1 1298 (57.69%) Agile Software Development
2 621 (27.60%) TDD
3 606 (26.93%) Scrum
4 378 (16.80%) Continuous Integration
5 376 (16.71%) MVC
6 340 (15.11%) OO
7 290 (12.89%) Microservices
8 288 (12.80%) Open Source
9 241 (10.71%) Web Development
10 236 (10.49%) BDD
11 215 (9.56%) Automated Testing
12 206 (9.16%) DevOps
13 205 (9.11%) SOA
14 202 (8.98%) Front End Development
15 174 (7.73%) E-Commerce
16 166 (7.38%) Kanban
17 156 (6.93%) Software Engineering
18 147 (6.53%) Responsive Web Design
19 140 (6.22%) Unit Testing
20 124 (5.51%) Configuration Management
Programming Languages
1 1129 (50.18%) Java
2 896 (39.82%) JavaScript
3 609 (27.07%) SQL
4 359 (15.96%) Python
5 329 (14.62%) C#
6 305 (13.56%) Scala
7 255 (11.33%) Ruby
8 159 (7.07%) PHP
9 106 (4.71%) Shell Script
10 75 (3.33%) XPath
11 70 (3.11%) Bash Shell
12 69 (3.07%) C++
13 63 (2.80%) Groovy
14 62 (2.76%) PL/SQL
15 57 (2.53%) Objective-C
16 56 (2.49%) C
17 54 (2.40%) Apple Swift
18 48 (2.13%) Perl
19 46 (2.04%) PowerShell
20 44 (1.96%) T-SQL
Qualifications
1 128 (5.69%) Security Cleared
2 106 (4.71%) Degree
3 83 (3.69%) SC Cleared
4 24 (1.07%) BPSS Clearance
5 22 (0.98%) DV Cleared
6 12 (0.53%) ISEB
7 11 (0.49%) ISTQB
8 8 (0.36%) AWS Certification
9 1 (0.044%) CFA
9 1 (0.044%) ISTQB Foundation Certification
9 1 (0.044%) MCP
9 1 (0.044%) PMI Certification
9 1 (0.044%) PMP
9 1 (0.044%) Sun Certification
Quality Assurance & Compliance
1 133 (5.91%) QA
2 27 (1.20%) MiFID
3 26 (1.16%) Dodd-Frank
3 26 (1.16%) EMIR
3 26 (1.16%) WCAG
4 15 (0.67%) FATCA
5 13 (0.58%) Disclosure Scotland
6 12 (0.53%) HL7
7 9 (0.40%) SDET
8 6 (0.27%) Data Quality
9 3 (0.13%) PCI DSS
10 2 (0.089%) WAI
11 1 (0.044%) CDISC
11 1 (0.044%) IFRS
11 1 (0.044%) IFRS 9
11 1 (0.044%) ISO 9001
11 1 (0.044%) ISO/IEC 27001
11 1 (0.044%) Sarbanes-Oxley
System Software
1 188 (8.36%) Docker
2 40 (1.78%) Active Directory
3 15 (0.67%) VMware Infrastructure
4 14 (0.62%) Virtual Machines
5 9 (0.40%) LXC
6 6 (0.27%) HDFS
7 5 (0.22%) Apache ZooKeeper
8 4 (0.18%) VirtualBox
8 4 (0.18%) VMware ESXi
9 3 (0.13%) Firmware
9 3 (0.13%) Shibboleth
10 2 (0.089%) Apache Flume
10 2 (0.089%) Hyper-V
11 1 (0.044%) Ceph
11 1 (0.044%) etcd
11 1 (0.044%) GlusterFS
11 1 (0.044%) Time Sharing Option
Systems Management
1 126 (5.60%) Puppet
2 77 (3.42%) Opscode Chef
3 66 (2.93%) Ansible
4 19 (0.84%) Kubernetes
5 13 (0.58%) Kibana
5 13 (0.58%) MOM
6 12 (0.53%) Terraform
7 10 (0.44%) Grafana
8 9 (0.40%) Salt
9 8 (0.36%) logstash
10 7 (0.31%) Piwik
10 7 (0.31%) WebSphere Cast Iron
11 6 (0.27%) HockeyApp
12 5 (0.22%) Docker Swarm
12 5 (0.22%) HP Fortify
12 5 (0.22%) HP Quality Center
12 5 (0.22%) Marathon
12 5 (0.22%) Mesos
12 5 (0.22%) SCCM
13 4 (0.18%) Nagios
Vendors
1 320 (14.22%) Oracle
2 122 (5.42%) Microsoft
3 116 (5.16%) SAP
4 110 (4.89%) Google
5 109 (4.84%) Adobe
6 75 (3.33%) IBM
7 56 (2.49%) MuleSoft
8 54 (2.40%) Perforce
9 49 (2.18%) Salesforce.com
10 43 (1.91%) Red Hat
11 36 (1.60%) WSO2
12 35 (1.56%) Apple
13 29 (1.29%) Splunk
14 28 (1.24%) Sybase
15 26 (1.16%) Atlassian
15 26 (1.16%) ServiceNow
15 26 (1.16%) Solace
16 23 (1.02%) ATG
16 23 (1.02%) Sitecore
17 20 (0.89%) TIBCO
London
Cyber Team
Rate: From £400 to £500 per day Negotiable
Posted: 1 hour ago
London
Oliver Bernard
Rate: £500 - £700 per day
Posted: 8 hours ago
West London
Opus Resourcing Ltd
Rate: £375 - £440 per day + 6 Month Contract
Posted: 3 hours ago
North London
ReThink Recruitment
Rate: £285 - £325 per day
Posted: 40 minutes ago
City, London
ANSON MCCADE
Rate: £400 - £600 per day
Posted: 6 hours ago
City, London
Salt
Rate: £550.00 - £750.00 per day
Posted: 1 hour ago
South Wales
CPS Group UK
Rate: £520 - £570 per annum + Depending on Experience
Posted: 7 hours ago
Glasgow, Lanarkshire
Hatstand Limited
Rate: £450 - £600 per day
Posted: 2 hours ago
Salford, Lancashire
Reed Professional Services
Rate: From £400 to £450 per day
Posted: Yesterday
West London
Vadis People
Rate: c£60,000 - £65,000 Pro Rota
Posted: Yesterday
London
McGregor Boyall
Rate: £450 - £550 per day
Posted: 2 days ago
London
Hydrogen Group
Rate: £450.00 - £550.00 per day
Posted: Yesterday
East Midlands
The Bridge Ltd
Rate: Up to £420 per day
Posted: Yesterday
London
Rullion
Posted: Yesterday
Leeds, West Yorkshire
The Bridge Ltd
Rate: Unspecified Market Rate
Posted: 2 days ago
Poole, Dorset
Spectrum IT Recruitment (South) Ltd
Rate: £300 - £350 per day
Posted: 3 days ago
Manchester, Lancashire
The Bridge Ltd
Rate: From £350 to £350 per day
Posted: 2 days ago
West Yorkshire
Fruition IT Resources Limited
Rate: £500 - £600 per day
Posted: 21 hours ago
City, London
Premier IT
Rate: £300 per day
Posted: 2 days ago
London
Opus Resourcing Ltd
Rate: £450 - £530 per day + 6 Months
Posted: Yesterday
London
Stafford-Sharp Associates
Rate: £450 - £550 per day
Posted: Yesterday
Edinburgh, Midlothian
Harvey Nash plc
Rate: Day rate only
Posted: Yesterday
Woking, Surrey
Opus Recruitment Solutions Ltd
Rate: Negotiable
Posted: 3 days ago
Northamptonshire
The Bridge Ltd
Rate: Up to £420 per day
Posted: 2 days ago
Hounslow, Middlesex
Intrinsic Recruitment Ltd
Rate: Market rates + Bonus & Benefits
Posted: 3 days ago
Northamptonshire
Capita Resourcing - IT Resourcing
Rate: £400 - £500 per day
Posted: 3 days ago
London
Experis Ltd
Posted: Yesterday
Edinburgh, Midlothian
Reed Technology
Rate: £300 - £340 per day
Posted: Yesterday
Newcastle-upon-Tyne, Tyne and Wear
Solutions Recruitment
Rate: Unspecified
Posted: 2 days ago
Newcastle Upon Tyne, Tyne and Wear
Square One Resources
Rate: £500 per day
Posted: 2 days ago