Period
to 17 November 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 17 November 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
17 Nov 2017
Same period 2016 Same period 2015
Rank 93 93 151
Rank change year-on-year 0 +58 +2
Contract jobs citing JSON 2468 2473 1738
As % of all contract IT jobs advertised in England 2.61% 2.51% 1.65%
As % of the Libraries, Frameworks & Software Standards category 8.07% 8.18% 5.74%
Number of daily rates quoted 1697 1747 1287
England median daily rate £460 £430 £400
Median daily rate % change year-on-year +6.98% +7.50% +1.94%
10th Percentile £319 £308 £300
90th Percentile £600 £575 £550
UK median daily rate £450 £428 £400
% change year-on-year +5.26% +6.88% +3.23%
Number of hourly rates quoted 34 21 11
England median hourly rate £45.00 £36.50 £37.50
Median hourly rate % change year-on-year +23.29% -2.67% +7.14%
10th Percentile £18.40 £30.00 £31.25
90th Percentile £63.75 £48.75 £60.00
UK median hourly rate £45.00 £36.50 £37.50
% change year-on-year +23.29% -2.67% +7.14%

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 30572 30237 30265
As % of all contract IT jobs advertised in England 32.35% 30.73% 28.81%
Number of daily rates quoted 21764 21117 20991
England median daily rate £463 £425 £413
Median daily rate % change year-on-year +8.82% +3.03% +3.13%
10th Percentile £313 £300 £275
90th Percentile £625 £588 £588
UK median daily rate £450 £425 £410
% change year-on-year +5.88% +3.66% +2.50%
Number of hourly rates quoted 367 348 502
England median hourly rate £40.00 £37.50 £37.50
Median hourly rate % change year-on-year +6.67% - +10.29%
10th Percentile £18.65 £14.50 £15.04
90th Percentile £52.50 £50.00 £52.50
UK median hourly rate £40.00 £37.50 £37.50
% change year-on-year +6.67% - +7.14%

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 17 November 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 17 November 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 17 November 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 +4 1205 £475 +3.26% 74
South East +11 427 £475 +14.46% 45
North of England +1 277 £425 +1.80% 50
East of England +42 270 £506 +52.83% 10
Midlands 0 167 £450 +7.14% 35
North West -3 128 £385 -9.41% 35
South West -27 118 £371 -1.00% 16
West Midlands +10 106 £495 +19.28% 19
Yorkshire -16 87 £450 +9.09% 13
East Midlands -15 60 £425 +1.19% 16
North East +45 59 £450 +20.00% 2
JSON
UK

For the 6 months to 17 November 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 1518 (61.51%) Agile Software Development
2 1204 (48.78%) Java
3 1065 (43.15%) XML
4 933 (37.80%) JavaScript
5 882 (35.74%) REST
6 845 (34.24%) HTML
7 768 (31.12%) CSS
8 691 (28.00%) TDD
9 680 (27.55%) Web Services
9 680 (27.55%) Git (software)
10 667 (27.03%) RESTful
11 610 (24.72%) Scrum
12 592 (23.99%) SQL
13 571 (23.14%) Spring
14 535 (21.68%) Finance
15 513 (20.79%) SOAP
16 494 (20.02%) Linux
17 474 (19.21%) HTML5
18 436 (17.67%) AngularJS
19 421 (17.06%) Test Automation
20 406 (16.45%) Jenkins
21 392 (15.88%) Continuous Integration
22 378 (15.32%) .NET
23 377 (15.28%) jQuery
24 359 (14.55%) Node.js
25 357 (14.47%) C#
26 356 (14.42%) CSS3
27 349 (14.14%) MVC
28 315 (12.76%) JIRA
29 309 (12.52%) SQL Server

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
1 145 (5.88%) Apache
2 143 (5.79%) Confluence
3 123 (4.98%) Tomcat
4 112 (4.54%) Mule
5 99 (4.01%) Oracle SOA Suite
6 97 (3.93%) JBoss
7 96 (3.89%) Apache Spark
8 75 (3.04%) Oracle Service Bus
9 48 (1.94%) CMS
9 48 (1.94%) WebLogic
10 46 (1.86%) Elasticsearch
11 38 (1.54%) IIS
12 36 (1.46%) WebSphere
13 33 (1.34%) Apache Solr
14 30 (1.22%) SharePoint
15 28 (1.13%) nginx
16 26 (1.05%) Cloud Foundry
17 16 (0.65%) GemFire
18 14 (0.57%) BizTalk Server
18 14 (0.57%) MQSeries
Applications
1 14 (0.57%) Microsoft Excel
2 13 (0.53%) MS Visio
3 10 (0.41%) Pipeline Pilot
4 9 (0.36%) Adobe Illustrator
4 9 (0.36%) Photoshop
5 5 (0.20%) HipChat
5 5 (0.20%) Microsoft Office
6 2 (0.081%) InfoPath
7 1 (0.041%) Gephi
7 1 (0.041%) Microsoft Project
Business Applications
1 19 (0.77%) Dynamics CRM
2 15 (0.61%) Magento
3 12 (0.49%) Payment Gateway
4 4 (0.16%) Oracle BPM
4 4 (0.16%) Shopify
5 2 (0.081%) SAP BPC
5 2 (0.081%) SAP HCM
5 2 (0.081%) Social Studio
5 2 (0.081%) WebTrends
6 1 (0.041%) BASE24
6 1 (0.041%) Dynamics NAV
6 1 (0.041%) OpenText Process Suite
6 1 (0.041%) Oracle Receivables
6 1 (0.041%) Oracle SCM
6 1 (0.041%) Remedy ITSM
6 1 (0.041%) RMDS
6 1 (0.041%) SAP CRM
6 1 (0.041%) Summit
Cloud Services
1 296 (11.99%) Amazon AWS
2 151 (6.12%) Microsoft Azure
3 102 (4.13%) PaaS
4 94 (3.81%) GitHub
5 77 (3.12%) SaaS
6 74 (3.00%) IaaS
7 67 (2.71%) Serverless
8 58 (2.35%) npm
9 44 (1.78%) Amazon EC2
10 33 (1.34%) AWS Lambda
11 30 (1.22%) Amazon S3
12 26 (1.05%) AWS CloudFormation
13 21 (0.85%) Virtual Private Cloud
14 18 (0.73%) Amazon ELB
14 18 (0.73%) Azure Active Directory
14 18 (0.73%) Office 365
15 16 (0.65%) Route 53
15 16 (0.65%) Salesforce Service Cloud
16 15 (0.61%) Cloud Computing
17 12 (0.49%) Salesforce Sales Cloud
Communications & Networking
1 188 (7.62%) HTTP
2 58 (2.35%) Internet
2 58 (2.35%) TCP/IP
3 56 (2.27%) SSL
4 50 (2.03%) DNS
5 24 (0.97%) Firewall
6 20 (0.81%) VPN
6 20 (0.81%) Wi-Fi
7 19 (0.77%) Bluetooth
8 16 (0.65%) Network Security
9 11 (0.45%) FTP
10 9 (0.36%) HTTPS
11 8 (0.32%) MPLS
11 8 (0.32%) RTSP
11 8 (0.32%) SMS
12 7 (0.28%) Intranet
12 7 (0.28%) LDAP
12 7 (0.28%) SSH
13 6 (0.24%) MQTT
13 6 (0.24%) VLAN
Database & Business Intelligence
1 309 (12.52%) SQL Server
2 292 (11.83%) MongoDB
3 251 (10.17%) NoSQL
4 231 (9.36%) Relational Database
5 212 (8.59%) Big Data
6 158 (6.40%) MySQL
6 158 (6.40%) PostgreSQL
7 148 (6.00%) Hadoop
8 82 (3.32%) RDBMS
9 77 (3.12%) HBase
10 72 (2.92%) Oracle Database
11 59 (2.39%) Apache Cassandra
12 52 (2.11%) Redis
13 44 (1.78%) Apache Hive
14 39 (1.58%) BusinessObjects
15 29 (1.18%) Data Warehouse
16 23 (0.93%) SQL Server Integration Services
17 20 (0.81%) SQL Server 2014
18 19 (0.77%) Amazon RDS
18 19 (0.77%) SQL Server 2008
Development Applications
1 680 (27.55%) Git (software)
2 406 (16.45%) Jenkins
3 315 (12.76%) JIRA
4 283 (11.47%) Maven
5 244 (9.89%) JUnit
6 204 (8.27%) Subversion
7 152 (6.16%) IntelliJ
8 143 (5.79%) Cucumber
9 130 (5.27%) Selenium
10 125 (5.06%) Eclipse
11 110 (4.46%) Gradle
12 100 (4.05%) Visual Studio
13 91 (3.69%) gulp
14 80 (3.24%) Grunt
15 77 (3.12%) SoapUI
16 68 (2.76%) TeamCity
17 66 (2.67%) webpack
18 54 (2.19%) Jasmine
18 54 (2.19%) Mockito
18 54 (2.19%) Team Foundation Server
General
1 535 (21.68%) Finance
2 204 (8.27%) Banking
3 198 (8.02%) Marketing
4 189 (7.66%) Manufacturing
5 184 (7.46%) Telecoms
6 166 (6.73%) Electronics
7 69 (2.80%) Retail
8 41 (1.66%) Games
9 31 (1.26%) Legal
10 24 (0.97%) Publishing
11 21 (0.85%) Advertising
12 19 (0.77%) Front Office
13 15 (0.61%) Law
14 14 (0.57%) Investment Banking
15 11 (0.45%) French Language
16 10 (0.41%) Retail Banking
17 8 (0.32%) Automotive
18 7 (0.28%) Billing
19 6 (0.24%) Financial Institution
19 6 (0.24%) Local Government
Job Titles
1 1795 (72.73%) Developer
2 544 (22.04%) Java Developer
3 207 (8.39%) Senior Developer
4 191 (7.74%) JavaScript Developer
5 158 (6.40%) Architect
6 151 (6.12%) Front End Developer (Client-Side Developer)
7 142 (5.75%) .NET Developer
7 142 (5.75%) Agile Developer
8 134 (5.43%) Scala Developer
9 129 (5.23%) Full Stack Developer
10 121 (4.90%) Android Developer
11 109 (4.42%) Integration Developer
12 107 (4.34%) Software Developer
13 99 (4.01%) C# Developer
14 95 (3.85%) Angular Developer
15 87 (3.53%) SQL Developer
16 74 (3.00%) C# .NET Developer
16 74 (3.00%) DevOps Engineer
17 71 (2.88%) Consultant
18 69 (2.80%) Analyst
Libraries, Frameworks & Software Standards
1 1065 (43.15%) XML
2 882 (35.74%) REST
3 845 (34.24%) HTML
4 768 (31.12%) CSS
5 680 (27.55%) Web Services
6 667 (27.03%) RESTful
7 571 (23.14%) Spring
8 513 (20.79%) SOAP
9 474 (19.21%) HTML5
10 436 (17.67%) AngularJS
11 378 (15.32%) .NET
12 377 (15.28%) jQuery
13 359 (14.55%) Node.js
14 356 (14.42%) CSS3
15 300 (12.16%) Ajax
16 219 (8.87%) React
17 191 (7.74%) Swagger
18 190 (7.70%) J2EE
19 189 (7.66%) Middleware
20 175 (7.09%) XSLT
Miscellaneous
1 232 (9.40%) User Experience
2 189 (7.66%) Greenfield Project
3 133 (5.39%) Mobile App
4 91 (3.69%) Analytical Skills
5 84 (3.40%) Data Structures
6 78 (3.16%) Computer Science
7 69 (2.80%) Enterprise Software
8 40 (1.62%) Linux Command Line
9 33 (1.34%) Virtual Team
10 31 (1.26%) Video on Demand
11 29 (1.18%) Algorithms
12 24 (0.97%) Data Centre
13 21 (0.85%) Video\Live Streaming
13 21 (0.85%) W3C
14 20 (0.81%) Animation
15 18 (0.73%) Replication
16 17 (0.69%) Cloud Native
17 16 (0.65%) iPad
17 16 (0.65%) iPhone
18 15 (0.61%) Fintech
Operating Systems
1 494 (20.02%) Linux
2 225 (9.12%) Unix
3 182 (7.37%) Android
4 135 (5.47%) Windows
5 126 (5.11%) Apple iOS
6 45 (1.82%) Red Hat Enterprise Linux
7 37 (1.50%) Mac OS X
8 33 (1.34%) Windows Server
9 28 (1.13%) Solaris
10 19 (0.77%) HPUX
11 18 (0.73%) Windows Server 2012
12 12 (0.49%) AIX
12 12 (0.49%) CentOS
13 9 (0.36%) Mac OS
14 7 (0.28%) Ubuntu
15 6 (0.24%) Windows 7
16 4 (0.16%) Windows 8
17 2 (0.081%) Fedora
17 2 (0.081%) Windows Server 2008
18 1 (0.041%) zOS
Processes & Methodologies
1 1518 (61.51%) Agile Software Development
2 691 (28.00%) TDD
3 610 (24.72%) Scrum
4 421 (17.06%) Test Automation
5 392 (15.88%) Continuous Integration
6 349 (14.14%) MVC
7 281 (11.39%) Open Source
8 277 (11.22%) DevOps
9 269 (10.90%) OO
10 258 (10.45%) Microservices
11 250 (10.13%) Business Intelligence
12 243 (9.85%) BDD
13 233 (9.44%) Front End Development
14 232 (9.40%) Web Development
15 226 (9.16%) SOA
16 219 (8.87%) Kanban
17 195 (7.90%) Unit Testing
18 173 (7.01%) Programme Management
19 166 (6.73%) Digital Marketing
20 159 (6.44%) API Development
Programming Languages
1 1204 (48.78%) Java
2 933 (37.80%) JavaScript
3 592 (23.99%) SQL
4 357 (14.47%) C#
5 291 (11.79%) Python
6 281 (11.39%) Scala
7 232 (9.40%) Ruby
8 128 (5.19%) XPath
9 95 (3.85%) ES6
10 94 (3.81%) PHP
11 93 (3.77%) Shell Script
12 84 (3.40%) PowerShell
13 83 (3.36%) Apple Swift
14 75 (3.04%) Groovy
14 75 (3.04%) T-SQL
15 67 (2.71%) PL/SQL
16 62 (2.51%) C++
17 58 (2.35%) Bash Shell
17 58 (2.35%) Objective-C
18 57 (2.31%) TypeScript
Qualifications
1 174 (7.05%) Security Cleared
2 131 (5.31%) Degree
3 117 (4.74%) SC Cleared
4 46 (1.86%) Computer Science Degree
5 33 (1.34%) DV Cleared
6 10 (0.41%) BPSS Clearance
6 10 (0.41%) ISTQB
6 10 (0.41%) PhD
7 8 (0.32%) Master's Degree
8 7 (0.28%) AWS Certification
9 6 (0.24%) ISEB
10 5 (0.20%) Microsoft Certification
11 4 (0.16%) MCSE
11 4 (0.16%) Sun Certification
12 3 (0.12%) ISTQB Foundation Certification
13 2 (0.081%) APMP
13 2 (0.081%) DBS Check
13 2 (0.081%) MCP
13 2 (0.081%) Numerate Degree
13 2 (0.081%) RHCE
Quality Assurance & Compliance
1 136 (5.51%) QA
2 51 (2.07%) Data Quality
3 20 (0.81%) MiFID
4 17 (0.69%) HL7
5 12 (0.49%) Disclosure Scotland
5 12 (0.49%) GPG13
6 10 (0.41%) EMIR
7 9 (0.36%) Dodd-Frank
8 5 (0.20%) SLA
9 4 (0.16%) PCI DSS
9 4 (0.16%) PMO
10 3 (0.12%) COBIT
11 2 (0.081%) GCP
11 2 (0.081%) ISO/IEC 27001
11 2 (0.081%) WCAG
12 1 (0.041%) CESG Infosec
12 1 (0.041%) HMG Security Policy Framework
12 1 (0.041%) ISO 20022
12 1 (0.041%) ISO 9001
12 1 (0.041%) PSD2
System Software
1 264 (10.70%) Docker
2 53 (2.15%) Active Directory
3 31 (1.26%) Apache ZooKeeper
4 27 (1.09%) HDFS
5 16 (0.65%) VMware Infrastructure
6 14 (0.57%) Oracle Clusterware
6 14 (0.57%) Oracle RAC
7 13 (0.53%) Hyper-V
7 13 (0.53%) Virtual Machines
8 9 (0.36%) Firmware
9 8 (0.32%) Microsoft Virtual Server
9 8 (0.32%) Virtual Servers
10 7 (0.28%) Apache Flume
10 7 (0.28%) Xen
11 6 (0.24%) LXC
12 4 (0.16%) VirtualBox
13 3 (0.12%) UAG
14 2 (0.081%) Varnish
15 1 (0.041%) VMware Workstation
15 1 (0.041%) XenApp
Systems Management
1 158 (6.40%) Puppet
2 96 (3.89%) Ansible
3 67 (2.71%) Opscode Chef
4 35 (1.42%) Kubernetes
5 32 (1.30%) Kibana
5 32 (1.30%) Terraform
6 26 (1.05%) Hadoop YARN
7 25 (1.01%) Grafana
8 17 (0.69%) Rancher
9 15 (0.61%) logstash
10 14 (0.57%) Data Guard
10 14 (0.57%) Oracle Flashback
10 14 (0.57%) Oracle RMAN
11 13 (0.53%) WSUS
12 12 (0.49%) Nagios
13 11 (0.45%) StatsD
14 9 (0.36%) Oozie
14 9 (0.36%) ZABBIX
15 7 (0.28%) HP Quality Center
16 6 (0.24%) WebSphere Cast Iron
Vendors
1 300 (12.16%) Oracle
2 193 (7.82%) Microsoft
3 191 (7.74%) SAP
4 114 (4.62%) WSO2
5 96 (3.89%) Google
6 54 (2.19%) IBM
7 46 (1.86%) Apigee
8 42 (1.70%) Red Hat
9 39 (1.58%) MuleSoft
10 32 (1.30%) Atlassian
11 30 (1.22%) webMethods
12 29 (1.18%) Perforce
12 29 (1.18%) Salesforce.com
13 28 (1.13%) Apple
14 26 (1.05%) Adobe
14 26 (1.05%) Splunk
15 22 (0.89%) Xamarin
16 18 (0.73%) VMware
17 16 (0.65%) HP
17 16 (0.65%) Tableau