Period
to 23 October 2017

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 6 months to 23 October 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
6 months to
23 Oct 2017
Same period 2016 Same period 2015
Rank 96 94 146
Rank change year-on-year -2 +52 +8
Contract jobs citing JSON 2410 2422 1753
As % of all contract IT jobs advertised in England 2.62% 2.48% 1.68%
As % of the Libraries, Frameworks & Software Standards category 8.09% 8.14% 5.91%
Number of daily rates quoted 1659 1742 1279
England median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25% -
10th Percentile £320 £310 £300
90th Percentile £600 £575 £550
UK median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% -
Number of hourly rates quoted 37 12 15
England median hourly rate £45.00 £42.50 £35.00
Median hourly rate % change year-on-year +5.88% +21.43% -
10th Percentile £18.21 £30.58 £18.27
90th Percentile £63.75 £49.95 £59.10
UK median hourly rate £45.00 £42.50 £35.00
% change year-on-year +5.88% +21.43% -

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 England with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
England
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 29787 29761 29683
As % of all contract IT jobs advertised in England 32.33% 30.48% 28.53%
Number of daily rates quoted 21082 20867 20518
England median daily rate £450 £425 £410
Median daily rate % change year-on-year +5.88% +3.66% +2.50%
10th Percentile £313 £300 £275
90th Percentile £625 £588 £588
UK median daily rate £450 £425 £400
% change year-on-year +5.88% +6.25% -
Number of hourly rates quoted 358 350 482
England median hourly rate £40.00 £37.50 £37.48
Median hourly rate % change year-on-year +6.67% +0.07% +10.22%
10th Percentile £18.68 £13.50 £14.25
90th Percentile £52.50 £51.60 £54.66
UK median hourly rate £40.00 £37.50 £37.50
% change year-on-year +6.67% - +8.70%

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 6 months to 23 October 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 6 months to 23 October 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 6 months to 23 October 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London +3 1183 £475 +5.56% 77
South East -2 407 £463 +8.82% 39
East of England +56 265 £488 +21.88% 25
North of England -2 258 £413 - 47
Midlands +7 172 £460 +10.84% 19
South West -33 115 £375 - 17
West Midlands +16 113 £495 +19.28% 10
North West -18 111 £375 -11.76% 26
Yorkshire -23 95 £450 +12.36% 11
East Midlands -28 58 £425 +1.19% 9
North East +49 49 £475 +22.58% 10
JSON
UK

For the 6 months to 23 October 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 1514 (62.82%) Agile Software Development
2 1144 (47.47%) Java
3 1052 (43.65%) XML
4 906 (37.59%) JavaScript
5 866 (35.93%) REST
6 855 (35.48%) HTML
7 791 (32.82%) CSS
8 684 (28.38%) TDD
9 676 (28.05%) Git (software)
10 653 (27.10%) RESTful
11 651 (27.01%) Web Services
12 617 (25.60%) Scrum
13 566 (23.49%) SQL
14 547 (22.70%) Finance
15 534 (22.16%) Spring
16 496 (20.58%) HTML5
17 471 (19.54%) Linux
18 466 (19.34%) SOAP
19 436 (18.09%) AngularJS
20 431 (17.88%) Test Automation
21 420 (17.43%) Continuous Integration
22 411 (17.05%) Jenkins
23 379 (15.73%) jQuery
24 368 (15.27%) CSS3
25 363 (15.06%) Node.js
26 356 (14.77%) C#
27 349 (14.48%) .NET
28 339 (14.07%) MVC
29 321 (13.32%) Ajax
30 312 (12.95%) JIRA

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
1 148 (6.14%) Confluence
2 140 (5.81%) Apache
3 120 (4.98%) Tomcat
4 115 (4.77%) Mule
5 105 (4.36%) Oracle SOA Suite
6 97 (4.02%) JBoss
7 81 (3.36%) Apache Spark
8 79 (3.28%) Oracle Service Bus
9 56 (2.32%) CMS
10 53 (2.20%) WebLogic
11 49 (2.03%) Elasticsearch
12 44 (1.83%) WebSphere
13 42 (1.74%) IIS
14 33 (1.37%) nginx
15 32 (1.33%) SharePoint
16 25 (1.04%) Cloud Foundry
17 23 (0.95%) Apache Solr
18 15 (0.62%) Adobe Experience Manager
19 13 (0.54%) Mule ESB
19 13 (0.54%) WordPress
Applications
1 13 (0.54%) Microsoft Excel
2 12 (0.50%) MS Visio
3 9 (0.37%) Adobe Illustrator
4 8 (0.33%) Photoshop
4 8 (0.33%) Pipeline Pilot
5 6 (0.25%) Microsoft Office
6 5 (0.21%) HipChat
7 2 (0.083%) Adobe Creative Suite
7 2 (0.083%) Spreadsheet
8 1 (0.041%) InfoPath
8 1 (0.041%) Microsoft Project
Business Applications
1 18 (0.75%) Dynamics CRM
2 15 (0.62%) Payment Gateway
3 10 (0.41%) Magento
4 4 (0.17%) Oracle BPM
5 3 (0.12%) Shopify
6 2 (0.083%) SAP BPC
6 2 (0.083%) SAP HCM
6 2 (0.083%) Social Studio
6 2 (0.083%) WebTrends
7 1 (0.041%) BASE24
7 1 (0.041%) Dynamics NAV
7 1 (0.041%) JDE EnterpriseOne
7 1 (0.041%) OpenText Process Suite
7 1 (0.041%) Oracle Receivables
7 1 (0.041%) Remedy ITSM
7 1 (0.041%) RMDS
7 1 (0.041%) SAP CRM
7 1 (0.041%) Summit
Cloud Services
1 284 (11.78%) Amazon AWS
2 131 (5.44%) Microsoft Azure
3 93 (3.86%) PaaS
4 87 (3.61%) GitHub
5 75 (3.11%) Serverless
6 71 (2.95%) SaaS
7 61 (2.53%) IaaS
8 52 (2.16%) npm
9 40 (1.66%) Amazon EC2
10 30 (1.24%) AWS Lambda
11 29 (1.20%) Amazon S3
12 26 (1.08%) AWS CloudFormation
13 23 (0.95%) Office 365
14 18 (0.75%) Azure Active Directory
15 17 (0.71%) Virtual Private Cloud
16 16 (0.66%) Salesforce Service Cloud
17 14 (0.58%) Amazon ELB
17 14 (0.58%) Cloud Computing
18 12 (0.50%) Salesforce Sales Cloud
19 11 (0.46%) Route 53
Communications & Networking
1 208 (8.63%) HTTP
2 55 (2.28%) SSL
3 50 (2.07%) TCP/IP
4 48 (1.99%) DNS
5 46 (1.91%) Internet
6 19 (0.79%) Firewall
6 19 (0.79%) Wi-Fi
7 18 (0.75%) VPN
8 15 (0.62%) Bluetooth
9 14 (0.58%) Network Security
10 11 (0.46%) HTTPS
11 10 (0.41%) FTP
12 9 (0.37%) Intranet
13 8 (0.33%) SMS
14 7 (0.29%) LDAP
14 7 (0.29%) MPLS
14 7 (0.29%) RTSP
15 6 (0.25%) DSL
15 6 (0.25%) VLAN
16 5 (0.21%) WAN
Database & Business Intelligence
1 291 (12.07%) SQL Server
2 288 (11.95%) MongoDB
3 249 (10.33%) NoSQL
4 212 (8.80%) Relational Database
5 191 (7.93%) Big Data
6 155 (6.43%) PostgreSQL
7 148 (6.14%) MySQL
8 137 (5.68%) Hadoop
9 65 (2.70%) HBase
9 65 (2.70%) RDBMS
10 58 (2.41%) Oracle Database
11 53 (2.20%) Apache Cassandra
12 49 (2.03%) Redis
13 42 (1.74%) Apache Hive
14 40 (1.66%) BusinessObjects
15 27 (1.12%) Data Warehouse
16 24 (1.00%) SQL Server Integration Services
17 22 (0.91%) SQL Server Reporting Services
18 20 (0.83%) SQL Server 2012
19 19 (0.79%) SQL Server 2008
Development Applications
1 676 (28.05%) Git (software)
2 411 (17.05%) Jenkins
3 312 (12.95%) JIRA
4 273 (11.33%) Maven
5 241 (10.00%) JUnit
6 207 (8.59%) Subversion
7 151 (6.27%) IntelliJ
8 144 (5.98%) Cucumber
9 130 (5.39%) Selenium
10 110 (4.56%) Eclipse
11 94 (3.90%) Gradle
12 93 (3.86%) gulp
13 81 (3.36%) SoapUI
14 80 (3.32%) Grunt
14 80 (3.32%) Visual Studio
15 69 (2.86%) TeamCity
16 58 (2.41%) Calabash
16 58 (2.41%) webpack
17 57 (2.37%) Jasmine
18 56 (2.32%) Team Foundation Server
General
1 547 (22.70%) Finance
2 208 (8.63%) Banking
3 199 (8.26%) Marketing
4 191 (7.93%) Manufacturing
5 188 (7.80%) Telecoms
6 169 (7.01%) Electronics
7 74 (3.07%) Retail
8 40 (1.66%) Games
9 35 (1.45%) Front Office
10 25 (1.04%) Legal
11 21 (0.87%) Advertising
12 18 (0.75%) Investment Banking
13 16 (0.66%) Publishing
14 13 (0.54%) Law
15 11 (0.46%) French Language
16 8 (0.33%) Retail Banking
17 7 (0.29%) Local Government
18 6 (0.25%) Automotive
18 6 (0.25%) Billing
18 6 (0.25%) Financial Institution
Job Titles
1 1780 (73.86%) Developer
2 495 (20.54%) Java Developer
3 207 (8.59%) Senior Developer
4 167 (6.93%) JavaScript Developer
5 162 (6.72%) Architect
6 152 (6.31%) Scala Developer
7 149 (6.18%) Front End Developer (Client-Side Developer)
8 146 (6.06%) Agile Developer
9 139 (5.77%) .NET Developer
10 132 (5.48%) Full Stack Developer
11 129 (5.35%) Android Developer
12 115 (4.77%) Software Developer
13 109 (4.52%) Integration Developer
14 94 (3.90%) C# Developer
15 91 (3.78%) Angular Developer
16 83 (3.44%) SQL Developer
17 71 (2.95%) Analyst
18 70 (2.90%) C# .NET Developer
19 68 (2.82%) SOA Developer
20 67 (2.78%) UI Developer
Libraries, Frameworks & Software Standards
1 1052 (43.65%) XML
2 866 (35.93%) REST
3 855 (35.48%) HTML
4 791 (32.82%) CSS
5 653 (27.10%) RESTful
6 651 (27.01%) Web Services
7 534 (22.16%) Spring
8 496 (20.58%) HTML5
9 466 (19.34%) SOAP
10 436 (18.09%) AngularJS
11 379 (15.73%) jQuery
12 368 (15.27%) CSS3
13 363 (15.06%) Node.js
14 349 (14.48%) .NET
15 321 (13.32%) Ajax
16 223 (9.25%) React
17 213 (8.84%) Swagger
18 190 (7.88%) XSLT
19 187 (7.76%) Middleware
20 180 (7.47%) Play Framework
Miscellaneous
1 221 (9.17%) User Experience
2 190 (7.88%) Greenfield Project
3 142 (5.89%) Mobile App
4 81 (3.36%) Analytical Skills
5 77 (3.20%) Computer Science
6 72 (2.99%) Enterprise Software
7 68 (2.82%) Data Structures
8 36 (1.49%) Linux Command Line
9 31 (1.29%) Algorithms
10 30 (1.24%) Video on Demand
11 26 (1.08%) Animation
11 26 (1.08%) Virtual Team
12 22 (0.91%) W3C
13 21 (0.87%) Data Centre
14 20 (0.83%) iPhone
15 19 (0.79%) iPad
16 17 (0.71%) Cloud Native
17 16 (0.66%) Social Media
18 15 (0.62%) Foreign Exchange (FX)
19 13 (0.54%) Replication
Operating Systems
1 471 (19.54%) Linux
2 221 (9.17%) Unix
3 187 (7.76%) Android
4 118 (4.90%) Apple iOS
5 109 (4.52%) Windows
6 36 (1.49%) Mac OS X
7 33 (1.37%) Red Hat Enterprise Linux
8 24 (1.00%) Solaris
9 22 (0.91%) Windows Server
10 16 (0.66%) Mac OS
11 15 (0.62%) HPUX
12 12 (0.50%) AIX
12 12 (0.50%) CentOS
13 10 (0.41%) Windows Server 2012
14 9 (0.37%) Ubuntu
15 2 (0.083%) Fedora
16 1 (0.041%) Debian
16 1 (0.041%) Windows 7
16 1 (0.041%) Windows Server 2008
16 1 (0.041%) zOS
Processes & Methodologies
1 1514 (62.82%) Agile Software Development
2 684 (28.38%) TDD
3 617 (25.60%) Scrum
4 431 (17.88%) Test Automation
5 420 (17.43%) Continuous Integration
6 339 (14.07%) MVC
7 298 (12.37%) Open Source
8 266 (11.04%) Microservices
9 258 (10.71%) OO
10 253 (10.50%) DevOps
11 243 (10.08%) Business Intelligence
12 240 (9.96%) SOA
13 234 (9.71%) Front End Development
13 234 (9.71%) Web Development
14 218 (9.05%) BDD
15 214 (8.88%) Kanban
16 180 (7.47%) Unit Testing
17 176 (7.30%) Programme Management
18 169 (7.01%) Digital Marketing
19 158 (6.56%) API Development
Programming Languages
1 1144 (47.47%) Java
2 906 (37.59%) JavaScript
3 566 (23.49%) SQL
4 356 (14.77%) C#
5 308 (12.78%) Scala
6 302 (12.53%) Python
7 250 (10.37%) Ruby
8 133 (5.52%) XPath
9 91 (3.78%) ES6
10 84 (3.49%) PHP
10 84 (3.49%) Shell Script
11 81 (3.36%) Apple Swift
12 75 (3.11%) T-SQL
13 70 (2.90%) Groovy
14 63 (2.61%) C++
15 62 (2.57%) PowerShell
16 59 (2.45%) Objective-C
17 56 (2.32%) PL/SQL
18 55 (2.28%) TypeScript
19 54 (2.24%) Bash Shell
Qualifications
1 140 (5.81%) Security Cleared
2 122 (5.06%) Degree
3 97 (4.02%) SC Cleared
4 45 (1.87%) Computer Science Degree
5 22 (0.91%) DV Cleared
6 20 (0.83%) BPSS Clearance
7 10 (0.41%) ISTQB
8 9 (0.37%) Master's Degree
9 8 (0.33%) PhD
10 6 (0.25%) AWS Certification
10 6 (0.25%) ISEB
11 5 (0.21%) Microsoft Certification
12 3 (0.12%) ISTQB Foundation Certification
12 3 (0.12%) Sun Certification
13 2 (0.083%) APMP
13 2 (0.083%) DBS Check
13 2 (0.083%) MCSE
14 1 (0.041%) MCITP
14 1 (0.041%) MCP
14 1 (0.041%) Six Sigma Black Belt
Quality Assurance & Compliance
1 128 (5.31%) QA
2 37 (1.54%) Data Quality
3 21 (0.87%) MiFID
4 16 (0.66%) HL7
5 13 (0.54%) Disclosure Scotland
6 12 (0.50%) GPG13
7 9 (0.37%) EMIR
8 8 (0.33%) Dodd-Frank
9 5 (0.21%) COBIT
9 5 (0.21%) PCI DSS
9 5 (0.21%) SLA
10 4 (0.17%) PMO
11 3 (0.12%) WCAG
12 2 (0.083%) FATCA
12 2 (0.083%) GCP
12 2 (0.083%) WAI
13 1 (0.041%) Actionable Recommendations
13 1 (0.041%) ISO 9001
13 1 (0.041%) ISO/IEC 27001
System Software
1 254 (10.54%) Docker
2 47 (1.95%) Active Directory
3 27 (1.12%) Apache ZooKeeper
4 20 (0.83%) HDFS
5 12 (0.50%) Virtual Machines
6 10 (0.41%) VirtualBox
7 8 (0.33%) Firmware
7 8 (0.33%) VMware Infrastructure
8 7 (0.29%) Hyper-V
8 7 (0.29%) LXC
8 7 (0.29%) Xen
9 5 (0.21%) UAG
10 4 (0.17%) Oracle Clusterware
10 4 (0.17%) Oracle RAC
11 3 (0.12%) Varnish
12 2 (0.083%) Microsoft Virtual Server
12 2 (0.083%) Virtual Servers
13 1 (0.041%) OpenAM
13 1 (0.041%) OpenDJ
13 1 (0.041%) OpenIDM
Systems Management
1 155 (6.43%) Puppet
2 92 (3.82%) Ansible
3 65 (2.70%) Opscode Chef
4 27 (1.12%) Kubernetes
5 23 (0.95%) Terraform
6 22 (0.91%) Hadoop YARN
7 21 (0.87%) Kibana
8 17 (0.71%) Grafana
8 17 (0.71%) Rancher
9 16 (0.66%) Nagios
10 12 (0.50%) ZABBIX
11 10 (0.41%) Oozie
12 9 (0.37%) logstash
12 9 (0.37%) StatsD
13 8 (0.33%) WSUS
14 7 (0.29%) Graphite
15 6 (0.25%) HP Quality Center
15 6 (0.25%) WebSphere Cast Iron
16 5 (0.21%) Docker Swarm
17 4 (0.17%) HP Fortify
Vendors
1 281 (11.66%) Oracle
2 196 (8.13%) SAP
3 167 (6.93%) Microsoft
4 127 (5.27%) WSO2
5 108 (4.48%) Google
6 54 (2.24%) IBM
7 48 (1.99%) MuleSoft
8 39 (1.62%) Apigee
9 34 (1.41%) Adobe
10 32 (1.33%) Atlassian
10 32 (1.33%) Red Hat
11 29 (1.20%) webMethods
12 28 (1.16%) Salesforce.com
13 26 (1.08%) Apple
14 22 (0.91%) Splunk
15 19 (0.79%) Perforce
15 19 (0.79%) Sitecore
15 19 (0.79%) Xamarin
16 18 (0.75%) HP
16 18 (0.75%) ServiceNow