Period
to 10 December 2019

The following table provides summary statistics for contract job vacancies advertised in the UK excluding London 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 10 December 2019 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 > UK excluding London
6 months to
10 Dec 2019
Same period 2018 Same period 2017
Rank 133 96 88
Rank change year-on-year -37 -8 +9
Contract jobs citing JSON 839 1,456 1,363
As % of all contract IT jobs advertised in the UK excluding London 1.90% 2.60% 2.56%
As % of the Libraries, Frameworks & Software Standards category 7.35% 8.31% 9.07%
Number of daily rates quoted 488 901 857
UK excluding London median daily rate £450 £450 £450
10th Percentile £325 £325 £313
90th Percentile £577 £575 £575
UK median daily rate £475 £475 £450
% change year-on-year - +5.56% +5.88%
Number of hourly rates quoted 8 8 31
UK excluding London median hourly rate £42.75 £35.00 £45.00
Median hourly rate % change year-on-year +22.14% -22.22% +21.62%
10th Percentile £15.42 £27.80 £23.42
90th Percentile £53.23 £60.87 £63.75
UK median hourly rate £48.85 £35.00 £45.00
% change year-on-year +39.57% -22.22% +25.00%

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 the UK excluding London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK excluding London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 11,414 17,529 15,023
As % of all contract IT jobs advertised in the UK excluding London 25.90% 31.36% 28.24%
Number of daily rates quoted 7,423 11,539 9,702
UK excluding London median daily rate £438 £425 £400
Median daily rate % change year-on-year +2.94% +6.25% +3.23%
10th Percentile £313 £313 £281
90th Percentile £575 £575 £550
UK median daily rate £493 £475 £450
% change year-on-year +3.68% +5.56% +5.88%
Number of hourly rates quoted 181 213 256
UK excluding London median hourly rate £42.00 £41.50 £40.00
Median hourly rate % change year-on-year +1.20% +3.75% +3.56%
10th Percentile £17.21 £15.34 £16.45
90th Percentile £73.75 £55.00 £52.50
UK median hourly rate £42.50 £41.50 £40.00
% change year-on-year +2.41% +3.75% -

JSON
Job Vacancy Trend in the UK excluding London

Job postings citing JSON as a percentage of all IT jobs advertised in the UK excluding London.

Job vacancy trend for JSON in the UK excluding London

JSON
Contractor Daily Rate Trend in the UK excluding London

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

Contractor daily rate trend for JSON in the UK excluding London

JSON
Contractor Daily Rate Histogram in the UK excluding London

The daily rate distribution of IT jobs citing JSON in the UK excluding London over the 6 months to 10 December 2019.

Contractor daily rate histogram for JSON in the UK excluding London

JSON
Contractor Hourly Rate Trend in the UK excluding London

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

Contractor hourly rate trend for JSON in the UK excluding London

JSON
Contractor Hourly Rate Histogram in the UK excluding London

The hourly rate distribution of IT jobs citing JSON in the UK excluding London over the 6 months to 10 December 2019.

Contractor hourly rate histogram for JSON in the UK excluding London

JSON
Contract Job Locations in the UK excluding London

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 excluding London region over the 6 months to 10 December 2019. 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
South East -49 241 £450 -4.26% 111
North of England -27 162 £485 +18.29% 109
Midlands -6 144 £475 +5.56% 49
Scotland +30 132 £425 -5.56% 30
West Midlands +7 114 £481 +2.94% 25
South West -27 94 £425 +4.94% 36
Yorkshire +26 75 £520 +26.06% 28
North West -61 49 £438 +7.36% 73
East of England -35 44 £425 -19.05% 44
North East +40 38 £413 -10.81% 8
East Midlands -11 28 £350 -17.65% 24
Wales +18 14 £433 +4.85% 16
Northern Ireland +12 7 £419 - 7
Channel Islands -6 3 - - 1
JSON
UK

For the 6 months to 10 December 2019, 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 UK excluding London region with a requirement for JSON.

1 434 (51.73%) XML
2 410 (48.87%) Agile Software Development
3 311 (37.07%) REST
4 292 (34.80%) Java
5 268 (31.94%) SQL
6 267 (31.82%) JavaScript
7 256 (30.51%) HTML
8 246 (29.32%) CSS
9 241 (28.72%) Git (software)
10 213 (25.39%) Azure
11 197 (23.48%) Test Automation
11 197 (23.48%) RESTful
12 189 (22.53%) Web Services
13 169 (20.14%) Spring
14 168 (20.02%) SOAP
15 162 (19.31%) DevOps
16 161 (19.19%) Jenkins
17 160 (19.07%) Microservices
18 157 (18.71%) .NET
19 154 (18.36%) C#
20 144 (17.16%) Continuous Integration
21 142 (16.92%) JIRA
22 137 (16.33%) Scrum
22 137 (16.33%) Finance
22 137 (16.33%) AngularJS
23 131 (15.61%) TDD
24 130 (15.49%) Node.js
25 128 (15.26%) HTML5
25 128 (15.26%) Linux
26 126 (15.02%) SQL Server

JSON
Co-occurring IT Skills in the UK excluding London 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 84 (10.01%) Confluence
2 42 (5.01%) Apache
3 33 (3.93%) Tomcat
4 29 (3.46%) JBoss
5 22 (2.62%) SharePoint
6 21 (2.50%) WebSphere
7 18 (2.15%) WebLogic
8 17 (2.03%) CMS
9 15 (1.79%) nginx
10 13 (1.55%) Cloud Foundry
11 12 (1.43%) Elasticsearch
11 12 (1.43%) MQSeries
11 12 (1.43%) Mule
12 11 (1.31%) Adobe Experience Manager
12 11 (1.31%) Oracle SOA Suite
13 10 (1.19%) IIS
14 9 (1.07%) ColdFusion
15 6 (0.72%) Drupal
16 5 (0.60%) Umbraco
17 4 (0.48%) WordPress
Applications
1 14 (1.67%) Photoshop
2 13 (1.55%) GIMP
3 5 (0.60%) Chatbot
4 2 (0.24%) Microsoft Excel
5 1 (0.12%) MS Visio
Business Applications
1 15 (1.79%) Dynamics CRM
2 4 (0.48%) BusinessWorks
2 4 (0.48%) Remedy ITSM
3 2 (0.24%) NetSuite
3 2 (0.24%) Payment Gateway
3 2 (0.24%) SAP ERP
4 1 (0.12%) Dynamics AX
4 1 (0.12%) Oracle EBS
4 1 (0.12%) Oracle Financials
4 1 (0.12%) WebTrends
Cloud Services
1 213 (25.39%) Azure
2 97 (11.56%) GitHub
3 87 (10.37%) AWS
4 57 (6.79%) Azure Active Directory
5 49 (5.84%) Power Platform
6 47 (5.60%) Serverless
7 43 (5.13%) Google Analytics
8 40 (4.77%) SaaS
9 36 (4.29%) IaaS
9 36 (4.29%) PaaS
10 27 (3.22%) Slack
11 21 (2.50%) AWS CloudFormation
12 20 (2.38%) AWS Lambda
13 19 (2.26%) Azure Functions
14 18 (2.15%) GCP
15 17 (2.03%) Amazon S3
15 17 (2.03%) npm
16 15 (1.79%) Amazon EC2
16 15 (1.79%) PowerApps
17 14 (1.67%) Dynamics 365
Communications & Networking
1 86 (10.25%) HTTP
2 49 (5.84%) SSL
3 32 (3.81%) TCP/IP
4 19 (2.26%) DNS
5 18 (2.15%) SNMP
6 14 (1.67%) SSH
7 13 (1.55%) Internet
8 11 (1.31%) ICMP
8 11 (1.31%) Telnet
9 10 (1.19%) HTTPS
10 8 (0.95%) BGP
10 8 (0.95%) Bluetooth
10 8 (0.95%) NFC
10 8 (0.95%) OSPF
11 7 (0.83%) BIG-IP
11 7 (0.83%) Intranet
12 6 (0.72%) DSL
13 5 (0.60%) Unified Communications
13 5 (0.60%) VoIP
13 5 (0.60%) VPN
Database & Business Intelligence
1 126 (15.02%) SQL Server
2 76 (9.06%) Relational Database
3 74 (8.82%) MySQL
4 60 (7.15%) NoSQL
5 59 (7.03%) MongoDB
6 45 (5.36%) Azure SQL Database
7 38 (4.53%) Power BI
8 33 (3.93%) Data Warehouse
9 21 (2.50%) PostgreSQL
10 20 (2.38%) Big Data
10 20 (2.38%) SQL Server Integration Services
11 17 (2.03%) Cosmos DB
11 17 (2.03%) DB2
12 15 (1.79%) Oracle Database
12 15 (1.79%) SQL Server Reporting Services
13 12 (1.43%) RDBMS
14 11 (1.31%) SQL Server 2014
15 10 (1.19%) Data Lake
16 9 (1.07%) Amazon RDS
16 9 (1.07%) Pentaho
Development Applications
1 241 (28.72%) Git (software)
2 161 (19.19%) Jenkins
3 142 (16.92%) JIRA
4 104 (12.40%) Selenium
5 91 (10.85%) JUnit
6 83 (9.89%) Cucumber
7 68 (8.10%) Maven
8 51 (6.08%) Eclipse
9 36 (4.29%) IntelliJ
10 34 (4.05%) Visual Studio
11 33 (3.93%) Postman
12 32 (3.81%) Sonatype Nexus
13 30 (3.58%) gulp
13 30 (3.58%) Mockito
14 29 (3.46%) Ant
14 29 (3.46%) Gatling
14 29 (3.46%) Grunt
14 29 (3.46%) Subversion
15 27 (3.22%) Team Foundation Server
16 23 (2.74%) Visual Studio Team System
General
1 137 (16.33%) Finance
2 71 (8.46%) Public Sector
3 53 (6.32%) Banking
4 20 (2.38%) Marketing
5 18 (2.15%) Telecoms
6 15 (1.79%) Retail
7 11 (1.31%) Legal
8 8 (0.95%) Back Office
8 8 (0.95%) Games
9 6 (0.72%) Financial Institution
10 5 (0.60%) Law
10 5 (0.60%) Manufacturing
11 4 (0.48%) Publishing
11 4 (0.48%) Retail Banking
12 3 (0.36%) Electronics
13 2 (0.24%) French Language
14 1 (0.12%) Front Office
14 1 (0.12%) Interactive Media
14 1 (0.12%) Investment Banking
14 1 (0.12%) Local Government
Job Titles
1 505 (60.19%) Developer
2 97 (11.56%) Java Developer
3 72 (8.58%) Architect
4 43 (5.13%) Senior Developer
5 42 (5.01%) Analyst
6 39 (4.65%) .NET Developer
7 37 (4.41%) Front End Developer (Client-Side Developer)
8 35 (4.17%) Consultant
9 34 (4.05%) Scala Developer
10 33 (3.93%) Azure Developer
11 32 (3.81%) Android Developer
11 32 (3.81%) Azure Engineer
11 32 (3.81%) DevOps Engineer
12 31 (3.69%) Software Developer
13 30 (3.58%) UI Developer
14 29 (3.46%) C# Developer
14 29 (3.46%) Solutions Architect
15 26 (3.10%) Tester
16 21 (2.50%) Azure DevOps
16 21 (2.50%) Test Analyst
Libraries, Frameworks & Software Standards
1 434 (51.73%) XML
2 311 (37.07%) REST
3 256 (30.51%) HTML
4 246 (29.32%) CSS
5 197 (23.48%) RESTful
6 189 (22.53%) Web Services
7 169 (20.14%) Spring
8 168 (20.02%) SOAP
9 157 (18.71%) .NET
10 137 (16.33%) AngularJS
11 130 (15.49%) Node.js
12 128 (15.26%) HTML5
13 97 (11.56%) React
14 87 (10.37%) CSS3
15 73 (8.70%) jQuery
16 62 (7.39%) Ajax
17 58 (6.91%) Play Framework
18 51 (6.08%) ASP.NET
19 49 (5.84%) Hibernate
19 49 (5.84%) Spring Boot
Miscellaneous
1 71 (8.46%) Analytical Skills
2 67 (7.99%) User Experience
3 50 (5.96%) Mobile App
4 35 (4.17%) Linux Command Line
5 27 (3.22%) PKI
6 25 (2.98%) Enterprise Software
6 25 (2.98%) Greenfield Project
7 17 (2.03%) Self-Motivation
8 13 (1.55%) CMDB
9 12 (1.43%) Management Information System
9 12 (1.43%) Smartphone
10 10 (1.19%) Mobile Banking
11 8 (0.95%) Data Structures
11 8 (0.95%) Digital Wallet
11 8 (0.95%) Replication
12 7 (0.83%) Analytical Mindset
12 7 (0.83%) IVR
12 7 (0.83%) VUI
13 6 (0.72%) Cloud Native
13 6 (0.72%) Virtual Team
Operating Systems
1 128 (15.26%) Linux
2 103 (12.28%) Windows
3 75 (8.94%) Unix
4 65 (7.75%) Android
5 50 (5.96%) Apple iOS
6 16 (1.91%) Ubuntu
7 10 (1.19%) Windows Server
8 9 (1.07%) Mac OS
8 9 (1.07%) Red Hat Enterprise Linux
9 4 (0.48%) Windows 10
9 4 (0.48%) Windows 7
9 4 (0.48%) Windows 8
9 4 (0.48%) Windows Server 2008
10 2 (0.24%) HPUX
11 1 (0.12%) AIX
11 1 (0.12%) CentOS
11 1 (0.12%) Debian
11 1 (0.12%) Solaris
11 1 (0.12%) VMS
11 1 (0.12%) Windows Server 2012
Processes & Methodologies
1 410 (48.87%) Agile Software Development
2 197 (23.48%) Test Automation
3 162 (19.31%) DevOps
4 160 (19.07%) Microservices
5 144 (17.16%) Continuous Integration
6 137 (16.33%) Scrum
7 131 (15.61%) TDD
8 90 (10.73%) Web Development
9 85 (10.13%) Problem-Solving
10 76 (9.06%) BDD
11 72 (8.58%) Analytics
12 67 (7.99%) MVC
13 61 (7.27%) SOA
14 56 (6.67%) Kanban
14 56 (6.67%) Open Source
15 54 (6.44%) Unit Testing
16 51 (6.08%) User Stories
17 46 (5.48%) Front End Development
18 45 (5.36%) OO
18 45 (5.36%) Software Engineering
Programming Languages
1 292 (34.80%) Java
2 268 (31.94%) SQL
3 267 (31.82%) JavaScript
4 154 (18.36%) C#
5 123 (14.66%) PowerShell
6 91 (10.85%) Python
7 66 (7.87%) Java 8
8 65 (7.75%) Scala
9 42 (5.01%) Ruby
10 38 (4.53%) T-SQL
11 36 (4.29%) TypeScript
12 35 (4.17%) Bash Shell
13 34 (4.05%) Shell Script
14 33 (3.93%) PHP
15 30 (3.58%) Perl
16 27 (3.22%) Apple Swift
17 21 (2.50%) Groovy
18 19 (2.26%) PL/SQL
19 18 (2.15%) C++
19 18 (2.15%) ES6
Qualifications
1 69 (8.22%) Security Cleared
2 39 (4.65%) SC Cleared
3 38 (4.53%) Degree
4 23 (2.74%) Computer Science Degree
5 14 (1.67%) BPSS Clearance
6 9 (1.07%) AWS Certification
7 8 (0.95%) CCNP
7 8 (0.95%) Cisco Certification
8 7 (0.83%) DV Cleared
9 6 (0.72%) ISTQB
9 6 (0.72%) TOGAF Certification
10 5 (0.60%) CCIE
11 3 (0.36%) BC Cleared
11 3 (0.36%) PhD
11 3 (0.36%) SANS
12 2 (0.24%) CCNA
12 2 (0.24%) HND
12 2 (0.24%) ISTQB Foundation Certification
12 2 (0.24%) Master's Degree
12 2 (0.24%) MCSE
Quality Assurance & Compliance
1 45 (5.36%) QA
2 20 (2.38%) WCAG
3 14 (1.67%) ISO/IEC 27001
4 7 (0.83%) PMO
5 6 (0.72%) GDPR
6 5 (0.60%) Disclosure Scotland
6 5 (0.60%) PCI DSS
7 4 (0.48%) HMG Infosec
7 4 (0.48%) HMG Security Policy Framework
7 4 (0.48%) JSP 440
8 3 (0.36%) Sarbanes-Oxley
8 3 (0.36%) SEPA
9 2 (0.24%) Data Quality
9 2 (0.24%) RMADS
10 1 (0.12%) GxP
10 1 (0.12%) SLA
System Software
1 102 (12.16%) Docker
2 63 (7.51%) Active Directory
3 7 (0.83%) HDFS
3 7 (0.83%) Hyper-V
3 7 (0.83%) Virtual Machines
3 7 (0.83%) VMware Infrastructure
4 5 (0.60%) LXC
5 3 (0.36%) NDS
5 3 (0.36%) NetIQ eDirectory
6 2 (0.24%) XenApp
7 1 (0.12%) Apache ZooKeeper
7 1 (0.12%) Microsoft App-V
7 1 (0.12%) Snort
Systems Management
1 38 (4.53%) Kibana
2 29 (3.46%) Ansible
2 29 (3.46%) Grafana
3 27 (3.22%) Puppet
4 21 (2.50%) Kubernetes
5 14 (1.67%) Terraform
6 13 (1.55%) WMI
7 12 (1.43%) Single Sign-On
8 10 (1.19%) HP Quality Center
9 9 (1.07%) Opscode Chef
10 6 (0.72%) Cisco Prime
11 4 (0.48%) Docker Swarm
12 3 (0.36%) logstash
12 3 (0.36%) WebInspect
13 2 (0.24%) Mesos
14 1 (0.12%) HAProxy
14 1 (0.12%) Packer
14 1 (0.12%) SCCM
14 1 (0.12%) SCOM
14 1 (0.12%) SCOrch
Vendors
1 123 (14.66%) Microsoft
2 90 (10.73%) Google
3 57 (6.79%) Oracle
4 37 (4.41%) Adobe
5 26 (3.10%) IBM
6 25 (2.98%) Splunk
7 20 (2.38%) F5
8 17 (2.03%) AppDynamics
8 17 (2.03%) webMethods
9 15 (1.79%) Xamarin
10 14 (1.67%) MuleSoft
11 13 (1.55%) Cisco
11 13 (1.55%) Dell
11 13 (1.55%) ServiceNow
12 12 (1.43%) HP
12 12 (1.43%) SAP
13 11 (1.31%) Tableau
14 10 (1.19%) CheckPoint
14 10 (1.19%) Tealium
14 10 (1.19%) VMware