Period
to 22 July 2018

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 22 July 2018 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
22 Jul 2018
Same period 2017 Same period 2016
Rank 104 99 125
Rank change year-on-year -5 +26 +29
Contract jobs citing JSON 2,316 2,265 2,017
As % of all contract IT jobs advertised in England 2.46% 2.56% 1.98%
As % of the Libraries, Frameworks & Software Standards category 7.15% 7.89% 6.80%
Number of daily rates quoted 1,536 1,545 1,413
England median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +6.25%
10th Percentile £329 £319 £313
90th Percentile £600 £575 £563
UK median daily rate £475 £450 £420
% change year-on-year +5.56% +7.14% +5.00%
Number of hourly rates quoted 12 34 12
England median hourly rate £45.00 £37.00 £45.00
Median hourly rate % change year-on-year +21.62% -17.78% +20.00%
10th Percentile £29.15 £19.25 £22.33
90th Percentile £73.59 £63.75 £57.73
UK median hourly rate £45.00 £37.00 £45.00
% change year-on-year +21.62% -17.78% +20.00%

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 32,392 28,700 29,664
As % of all contract IT jobs advertised in England 34.37% 32.49% 29.19%
Number of daily rates quoted 23,031 19,897 20,942
England median daily rate £475 £450 £425
Median daily rate % change year-on-year +5.56% +5.88% +6.25%
10th Percentile £319 £308 £295
90th Percentile £631 £625 £600
UK median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% +6.25%
Number of hourly rates quoted 354 366 376
England median hourly rate £41.69 £40.75 £37.50
Median hourly rate % change year-on-year +2.30% +8.67% +3.45%
10th Percentile £16.25 £15.54 £12.63
90th Percentile £57.50 £53.75 £51.50
UK median hourly rate £41.46 £40.38 £37.50
% change year-on-year +2.66% +7.68% +2.74%

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 22 July 2018.

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 22 July 2018.

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 22 July 2018. 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 +2 1,152 £495 +4.21% 196
South East -9 419 £475 +5.56% 88
North of England -22 275 £415 -1.19% 139
Midlands -6 204 £413 -10.81% 54
East of England -15 169 £525 +16.67% 53
North West +18 160 £400 - 96
West Midlands -25 113 £419 -13.50% 21
South West -17 95 £375 - 37
East Midlands +17 90 £408 +1.88% 33
Yorkshire -48 79 £438 -2.78% 36
North East -27 36 £395 -2.11% 7
South Coast - 2 - -
JSON
UK

For the 6 months to 22 July 2018, IT contractor jobs citing JSON also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the England region with a requirement for JSON.

1 1,199 (51.77%) Agile Software Development
2 1,110 (47.93%) Java
3 982 (42.40%) XML
4 913 (39.42%) JavaScript
5 853 (36.83%) REST
6 709 (30.61%) TDD
7 685 (29.58%) HTML
8 677 (29.23%) Git (software)
9 661 (28.54%) Web Services
10 620 (26.77%) CSS
11 512 (22.11%) Scrum
12 505 (21.80%) RESTful
13 495 (21.37%) SQL
14 494 (21.33%) SOAP
15 450 (19.43%) Continuous Integration
16 438 (18.91%) Finance
17 436 (18.83%) DevOps
18 435 (18.78%) C#
19 430 (18.57%) Linux
20 428 (18.48%) AngularJS
21 419 (18.09%) .NET
22 418 (18.05%) Test Automation
23 411 (17.75%) Jenkins
24 396 (17.10%) HTML5
25 384 (16.58%) Spring
26 372 (16.06%) jQuery
27 366 (15.80%) Node.js
27 366 (15.80%) SQL Server
28 349 (15.07%) Microsoft Azure
29 338 (14.59%) Amazon AWS

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
1 183 (7.90%) Confluence
2 151 (6.52%) Apache
3 130 (5.61%) Tomcat
4 121 (5.22%) Apache Spark
5 100 (4.32%) Oracle SOA Suite
6 99 (4.27%) Elasticsearch
7 79 (3.41%) Mule
8 70 (3.02%) JBoss
9 63 (2.72%) Oracle Service Bus
10 57 (2.46%) IIS
11 55 (2.37%) WebLogic
12 54 (2.33%) CMS
13 43 (1.86%) WebSphere
14 37 (1.60%) nginx
15 33 (1.42%) Cloud Foundry
16 32 (1.38%) SharePoint
17 31 (1.34%) Apache Solr
18 23 (0.99%) Adobe Experience Manager
18 23 (0.99%) GemFire
19 13 (0.56%) OpenStack
Applications
1 41 (1.77%) Microsoft Excel
2 17 (0.73%) Microsoft Office
3 11 (0.47%) MS Visio
4 7 (0.30%) Microsoft Project
4 7 (0.30%) Photoshop
5 5 (0.22%) Adobe Creative Suite
5 5 (0.22%) CATIA
6 4 (0.17%) InVision
7 3 (0.13%) Adobe Illustrator
7 3 (0.13%) Blender
7 3 (0.13%) HipChat
7 3 (0.13%) Maya
7 3 (0.13%) Spreadsheet
8 1 (0.043%) InfoPath
8 1 (0.043%) Microsoft PowerPoint
8 1 (0.043%) SketchUp
Business Applications
1 7 (0.30%) Dynamics CRM
1 7 (0.30%) Magento
2 6 (0.26%) BusinessWorks
2 6 (0.26%) Oracle EBS
3 5 (0.22%) DELMIA
3 5 (0.22%) ENOVIA
3 5 (0.22%) Oracle ERP
4 3 (0.13%) SAP PM
4 3 (0.13%) Teamcenter
5 2 (0.086%) Distributed Ledger
5 2 (0.086%) Payment Gateway
5 2 (0.086%) Pivotal CRM
5 2 (0.086%) Remedy ITSM
5 2 (0.086%) Salesforce.com CRM
5 2 (0.086%) Summit
6 1 (0.043%) Dynamics AX
6 1 (0.043%) Dynamics GP
6 1 (0.043%) Oracle Retail
6 1 (0.043%) R3 Corda
6 1 (0.043%) ResourceLink
Cloud Services
1 349 (15.07%) Microsoft Azure
2 338 (14.59%) Amazon AWS
3 148 (6.39%) PaaS
4 111 (4.79%) GitHub
5 108 (4.66%) npm
6 87 (3.76%) Amazon S3
7 80 (3.45%) IaaS
8 55 (2.37%) Serverless
9 46 (1.99%) OpenShift
10 40 (1.73%) Amazon EC2
11 35 (1.51%) SaaS
12 27 (1.17%) AWS Lambda
13 25 (1.08%) BrowserStack
14 24 (1.04%) Amazon SQS
14 24 (1.04%) AWS CloudFormation
15 23 (0.99%) Virtual Private Cloud
16 22 (0.95%) Force.com
17 21 (0.91%) Google Cloud Platform
18 20 (0.86%) Azure Active Directory
19 18 (0.78%) Boomi
Communications & Networking
1 187 (8.07%) HTTP
2 42 (1.81%) TCP/IP
3 40 (1.73%) SSL
4 35 (1.51%) DNS
5 31 (1.34%) Firewall
6 27 (1.17%) Internet
7 26 (1.12%) VPN
8 21 (0.91%) FTP
9 16 (0.69%) HTTPS
10 15 (0.65%) AMQP
10 15 (0.65%) Network Security
11 14 (0.60%) Cisco ASA
12 12 (0.52%) Reverse Proxy
13 10 (0.43%) DHCP
14 9 (0.39%) X.509
15 8 (0.35%) Bluetooth
15 8 (0.35%) Remote Desktop
15 8 (0.35%) SMS
15 8 (0.35%) WAN
16 7 (0.30%) MQTT
Database & Business Intelligence
1 366 (15.80%) SQL Server
2 235 (10.15%) Relational Database
3 190 (8.20%) MySQL
4 188 (8.12%) PostgreSQL
5 187 (8.07%) MongoDB
6 184 (7.94%) NoSQL
7 166 (7.17%) Big Data
8 157 (6.78%) Hadoop
9 99 (4.27%) HBase
10 82 (3.54%) RDBMS
11 76 (3.28%) Oracle Database
12 60 (2.59%) Data Warehouse
13 43 (1.86%) Apache Cassandra
13 43 (1.86%) SQL Server 2012
14 42 (1.81%) Cosmos DB
15 38 (1.64%) SQL Server 2014
16 35 (1.51%) Amazon RDS
17 32 (1.38%) SQL Server 2016
18 31 (1.34%) DB2
18 31 (1.34%) Redis
Development Applications
1 677 (29.23%) Git (software)
2 411 (17.75%) Jenkins
3 321 (13.86%) JIRA
4 210 (9.07%) JUnit
5 186 (8.03%) Maven
5 186 (8.03%) Selenium
6 172 (7.43%) Subversion
7 165 (7.12%) Cucumber
8 147 (6.35%) Visual Studio
9 117 (5.05%) Visual Studio Team System
10 99 (4.27%) Team Foundation Server
11 98 (4.23%) Gradle
12 97 (4.19%) Eclipse
13 76 (3.28%) gulp
14 73 (3.15%) IntelliJ
15 66 (2.85%) SoapUI
16 59 (2.55%) Ant
17 53 (2.29%) Mercurial
17 53 (2.29%) NUnit
17 53 (2.29%) webpack
General
1 438 (18.91%) Finance
2 144 (6.22%) Banking
3 90 (3.89%) Marketing
4 89 (3.84%) Telecoms
5 68 (2.94%) Manufacturing
6 63 (2.72%) Electronics
7 58 (2.50%) Retail
8 42 (1.81%) Games
9 28 (1.21%) Legal
10 25 (1.08%) Front Office
11 22 (0.95%) Investment Banking
12 16 (0.69%) Advertising
13 14 (0.60%) Financial Institution
14 9 (0.39%) Law
15 8 (0.35%) Back Office
16 6 (0.26%) Publishing
17 5 (0.22%) Pharmaceutical
17 5 (0.22%) Retail Banking
18 4 (0.17%) Automotive
19 3 (0.13%) Polish Language
Job Titles
1 1,530 (66.06%) Developer
2 435 (18.78%) Java Developer
3 222 (9.59%) Architect
4 161 (6.95%) Senior Developer
5 141 (6.09%) .NET Developer
6 129 (5.57%) C# Developer
7 123 (5.31%) JavaScript Developer
8 117 (5.05%) React Developer
9 111 (4.79%) Front End Developer (Client-Side Developer)
10 99 (4.27%) Full Stack Developer
11 95 (4.10%) DevOps Engineer
12 84 (3.63%) Integration Developer
13 77 (3.32%) Azure Engineer
14 74 (3.20%) Agile Developer
15 73 (3.15%) Applications Developer
15 73 (3.15%) C# .NET Developer
16 71 (3.07%) Android Developer
16 71 (3.07%) UI Developer
17 69 (2.98%) Lead Developer
18 66 (2.85%) Scala Developer
Libraries, Frameworks & Software Standards
1 982 (42.40%) XML
2 853 (36.83%) REST
3 685 (29.58%) HTML
4 661 (28.54%) Web Services
5 620 (26.77%) CSS
6 505 (21.80%) RESTful
7 494 (21.33%) SOAP
8 428 (18.48%) AngularJS
9 419 (18.09%) .NET
10 396 (17.10%) HTML5
11 384 (16.58%) Spring
12 372 (16.06%) jQuery
13 366 (15.80%) Node.js
14 291 (12.56%) CSS3
15 266 (11.49%) React
16 233 (10.06%) Ajax
17 206 (8.89%) Middleware
17 206 (8.89%) RabbitMQ
18 204 (8.81%) J2EE
19 171 (7.38%) ASP.NET
Miscellaneous
1 216 (9.33%) User Experience
2 211 (9.11%) Greenfield Project
3 171 (7.38%) Mobile App
4 86 (3.71%) Analytical Skills
5 63 (2.72%) Self-Motivation
6 53 (2.29%) Computer Science
6 53 (2.29%) Enterprise Software
7 47 (2.03%) Virtual Team
8 44 (1.90%) Linux Command Line
9 41 (1.77%) Data Structures
10 35 (1.51%) Fintech
11 33 (1.42%) Animation
12 31 (1.34%) Clustering
13 30 (1.30%) Algorithms
14 20 (0.86%) Data Centre
15 19 (0.82%) Replication
16 16 (0.69%) PKI
17 15 (0.65%) Derivative
18 14 (0.60%) Video on Demand
19 13 (0.56%) Wiki
Operating Systems
1 430 (18.57%) Linux
2 210 (9.07%) Unix
3 191 (8.25%) Windows
4 151 (6.52%) Android
5 123 (5.31%) Apple iOS
6 63 (2.72%) Windows Server
7 33 (1.42%) Red Hat Enterprise Linux
8 32 (1.38%) Ubuntu
9 21 (0.91%) CentOS
10 16 (0.69%) Mac OS X
11 14 (0.60%) Windows Server 2012
12 10 (0.43%) Debian
13 8 (0.35%) HPUX
13 8 (0.35%) Mac OS
13 8 (0.35%) Solaris
14 6 (0.26%) AIX
15 4 (0.17%) Windows 7
16 3 (0.13%) Windows 2000 Server
16 3 (0.13%) Windows Server 2008
16 3 (0.13%) Windows XP
Processes & Methodologies
1 1,199 (51.77%) Agile Software Development
2 709 (30.61%) TDD
3 512 (22.11%) Scrum
4 450 (19.43%) Continuous Integration
5 436 (18.83%) DevOps
6 418 (18.05%) Test Automation
7 319 (13.77%) Microservices
8 308 (13.30%) BDD
8 308 (13.30%) MVC
9 300 (12.95%) OO
10 250 (10.79%) SOA
11 194 (8.38%) Front End Development
12 190 (8.20%) Open Source
13 176 (7.60%) Unit Testing
14 165 (7.12%) Problem-Solving
15 143 (6.17%) Business Intelligence
16 136 (5.87%) Software Engineering
16 136 (5.87%) Web Development
17 134 (5.79%) OOP
18 124 (5.35%) Analytics
Programming Languages
1 1,110 (47.93%) Java
2 913 (39.42%) JavaScript
3 495 (21.37%) SQL
4 435 (18.78%) C#
5 276 (11.92%) Python
6 173 (7.47%) Java 8
7 171 (7.38%) Ruby
8 164 (7.08%) Scala
9 158 (6.82%) PowerShell
10 88 (3.80%) PHP
11 84 (3.63%) XPath
12 80 (3.45%) ES6
13 77 (3.32%) Bash Shell
13 77 (3.32%) Shell Script
14 72 (3.11%) Groovy
15 69 (2.98%) C++
16 67 (2.89%) TypeScript
17 61 (2.63%) Perl
17 61 (2.63%) PL/SQL
18 46 (1.99%) T-SQL
Qualifications
1 166 (7.17%) Security Cleared
2 131 (5.66%) Degree
3 123 (5.31%) SC Cleared
4 37 (1.60%) BPSS Clearance
5 32 (1.38%) Computer Science Degree
6 21 (0.91%) DV Cleared
7 11 (0.47%) Numerate Degree
8 10 (0.43%) ISTQB
9 8 (0.35%) AWS Certification
9 8 (0.35%) ISEB
10 7 (0.30%) CESG Certified Professional
10 7 (0.30%) IISP
11 5 (0.22%) CISMP
11 5 (0.22%) TOGAF Certification
12 4 (0.17%) MCSE
12 4 (0.17%) Microsoft Certification
12 4 (0.17%) Sun Certification
13 3 (0.13%) A+ Certification
13 3 (0.13%) CCIE
13 3 (0.13%) Cisco Certification
Quality Assurance & Compliance
1 90 (3.89%) QA
2 19 (0.82%) Data Quality
3 13 (0.56%) PMO
4 10 (0.43%) GCP
5 9 (0.39%) PSD2
6 8 (0.35%) Dodd-Frank
6 8 (0.35%) EMIR
6 8 (0.35%) GDPR
6 8 (0.35%) MiFID
7 6 (0.26%) Disclosure Scotland
8 5 (0.22%) WAI
9 4 (0.17%) ISO 20022
10 3 (0.13%) HL7
11 2 (0.086%) WCAG
12 1 (0.043%) PCI DSS
12 1 (0.043%) SLA
System Software
1 266 (11.49%) Docker
2 98 (4.23%) Active Directory
3 75 (3.24%) Apache ZooKeeper
4 62 (2.68%) HDFS
5 25 (1.08%) Hyper-V
6 24 (1.04%) Virtual Machines
7 20 (0.86%) VMware Infrastructure
8 10 (0.43%) VirtualBox
9 6 (0.26%) LXC
9 6 (0.26%) vSphere
10 5 (0.22%) Oracle RAC
11 4 (0.17%) XenApp
12 3 (0.13%) Microsoft App-V
12 3 (0.13%) Veritas Cluster Server
12 3 (0.13%) XenDesktop
13 2 (0.086%) NFS
13 2 (0.086%) Samba
13 2 (0.086%) Squid
13 2 (0.086%) Varnish
13 2 (0.086%) Xen
Systems Management
1 93 (4.02%) Puppet
2 87 (3.76%) Ansible
3 56 (2.42%) Kubernetes
3 56 (2.42%) Terraform
4 55 (2.37%) Hadoop YARN
5 50 (2.16%) Opscode Chef
6 27 (1.17%) Kibana
7 22 (0.95%) Grafana
8 14 (0.60%) SCOM
9 13 (0.56%) logstash
10 12 (0.52%) HAProxy
11 11 (0.47%) SCCM
12 9 (0.39%) Failover Clustering
12 9 (0.39%) SCVMM
13 8 (0.35%) Nagios
13 8 (0.35%) Oozie
13 8 (0.35%) Salt
13 8 (0.35%) WSUS
14 7 (0.30%) HP Quality Center
15 6 (0.26%) BladeLogic
Vendors
1 299 (12.91%) Oracle
2 248 (10.71%) Microsoft
3 103 (4.45%) Google
4 96 (4.15%) SAP
5 61 (2.63%) IBM
6 57 (2.46%) Adobe
7 53 (2.29%) WSO2
8 52 (2.25%) Salesforce.com
9 44 (1.90%) Atlassian
10 43 (1.86%) Perforce
11 41 (1.77%) Tableau
12 38 (1.64%) Red Hat
13 29 (1.25%) VMware
14 28 (1.21%) Cloudera
14 28 (1.21%) Splunk
15 26 (1.12%) Talend
16 25 (1.08%) Cisco
17 21 (0.91%) MuleSoft
18 20 (0.86%) Capita
19 18 (0.78%) Dell