Period
to 2 June 2020

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 6 months to 2 June 2020 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
6 months to
2 Jun 2020
Same period 2019 Same period 2018
Rank 141 98 108
Rank change year-on-year -43 +10 -7
Contract jobs citing JSON 821 2,271 2,394
As % of all contract jobs advertised in the UK 1.80% 2.51% 2.35%
As % of the Libraries, Frameworks & Software Standards category 5.95% 7.68% 7.14%
Number of daily rates quoted 507 1,442 1,584
Median daily rate £475 £488 £475
Median daily rate % change year-on-year -2.56% +2.63% +7.95%
10th Percentile £338 £350 £325
90th Percentile £621 £625 £600
UK excluding London median daily rate £475 £450 £450
% change year-on-year +5.56% - +9.09%
Number of hourly rates quoted 14 33 13
Median hourly rate £50.50 £55.00 £45.00
Median hourly rate % change year-on-year -8.18% +22.22% +25.00%
10th Percentile £35.00 £35.00 £20.00
90th Percentile £68.75 £62.55 £72.00
UK excluding London median hourly rate £50.50 £55.00 £45.00
% change year-on-year -8.18% +22.22% +21.62%

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

All Software Libraries and Frameworks
UK
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 13,804 29,579 33,545
As % of all contract IT jobs advertised in the UK 30.33% 32.63% 32.95%
Number of daily rates quoted 9,306 20,679 23,580
Median daily rate £500 £490 £475
Median daily rate % change year-on-year +2.04% +3.16% +8.57%
10th Percentile £330 £331 £313
90th Percentile £675 £645 £625
UK excluding London median daily rate £450 £443 £413
% change year-on-year +1.69% +7.27% +3.13%
Number of hourly rates quoted 207 312 342
Median hourly rate £35.00 £42.50 £42.26
Median hourly rate % change year-on-year -17.65% +0.57% +4.34%
10th Percentile £22.76 £18.17 £16.33
90th Percentile £63.00 £60.00 £64.75
Median hourly rate £35.00 £42.50 £40.50
% change year-on-year -17.65% +4.94% +1.25%

JSON
Job Vacancy Trend

Job postings citing JSON as a proportion of all IT jobs advertised.

Job vacancy trend for JSON in the UK

JSON
Contractor Daily Rate Trend

3-month moving average daily rate quoted in jobs citing JSON.

Daily rate trend for JSON in the UK

JSON
Daily Rate Histogram

Daily rate distribution for jobs citing JSON over the 6 months to 2 June 2020.

Daily rate histogram for JSON in the UK

JSON
Contractor Hourly Rate Trend

3-month moving average hourly rates quoted in jobs citing JSON.

Hourly rate trend for JSON in the UK

JSON
Hourly Rate Histogram

Hourly rate distribution of jobs citing JSON over the 6 months to 2 June 2020.

Hourly rate histogram for JSON in the UK

JSON
Top 17 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 6 months to 2 June 2020. 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
England -45 730 £500 - 125
UK excluding London -47 426 £475 +5.56% 95
London -39 363 £500 - 42
North of England -23 102 £436 -3.06% 24
South East -67 80 £500 +11.11% 17
South West +11 77 £525 +5.00% 17
Midlands -11 61 £473 +5.00% 17
Yorkshire -1 44 £465 -2.11% 4
Scotland -7 44 £413 -2.94% 7
North West -9 40 £438 -2.78% 17
Work from Home 0 39 £450 -10.89% 16
East of England +13 38 £525 - 8
West Midlands -21 34 £423 -14.65% 6
East Midlands +40 27 £500 +33.33% 11
Northern Ireland +19 20 £400 -15.79%
North East +23 18 £435 +8.75% 3
Wales -1 4 £498 +17.75% 5

For the 6 months to 2 June 2020, 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 with a requirement for JSON.

1 440 (53.59%) XML
2 373 (45.43%) Agile Software Development
3 369 (44.95%) Java
4 315 (38.37%) REST
5 269 (32.76%) SQL
6 262 (31.91%) JavaScript
7 231 (28.14%) Git (software)
8 229 (27.89%) Web Services
9 221 (26.92%) SOAP
10 212 (25.82%) CSS
10 212 (25.82%) HTML
11 181 (22.05%) Oracle
11 181 (22.05%) RESTful
12 160 (19.49%) Azure
13 155 (18.88%) Jenkins
14 154 (18.76%) DevOps
15 147 (17.90%) SQL Server
16 142 (17.30%) Security Cleared
17 141 (17.17%) C#
18 134 (16.32%) .NET
18 134 (16.32%) SOA
19 131 (15.96%) TDD
20 127 (15.47%) JIRA
20 127 (15.47%) Test Automation
21 125 (15.23%) Finance
22 122 (14.86%) Linux
22 122 (14.86%) SC Cleared
23 121 (14.74%) Microservices
24 119 (14.49%) Python
25 111 (13.52%) Continuous Integration

JSON
Co-occurring 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 88 (10.72%) Confluence
2 76 (9.26%) Oracle SOA Suite
3 69 (8.40%) Red Hat Fuse
4 66 (8.04%) WebLogic
5 48 (5.85%) JBoss
6 47 (5.72%) Apache
7 44 (5.36%) Tomcat
8 31 (3.78%) WebSphere
9 26 (3.17%) Mule
9 26 (3.17%) Oracle Service Bus
10 23 (2.80%) MQSeries
11 20 (2.44%) IIS
12 17 (2.07%) SharePoint
13 16 (1.95%) Apache ServiceMix
14 14 (1.71%) BizTalk Server
14 14 (1.71%) CMS
15 9 (1.10%) Elasticsearch
16 7 (0.85%) Apache Spark
16 7 (0.85%) Drupal
17 5 (0.61%) Adobe Experience Manager
Applications
1 13 (1.58%) Microsoft Excel
2 9 (1.10%) Microsoft Office
3 8 (0.97%) Chatbot
4 3 (0.37%) MS Visio
5 1 (0.12%) InVision
5 1 (0.12%) Microsoft PowerPoint
5 1 (0.12%) Microsoft Project
5 1 (0.12%) Sketch
Business Applications
1 18 (2.19%) Oracle ERP
2 7 (0.85%) Distributed Ledger
2 7 (0.85%) Sparx Enterprise Architect
3 6 (0.73%) Oracle Applications
4 5 (0.61%) Dynamics CRM
5 4 (0.49%) Magento
5 4 (0.49%) Remedy ITSM
6 3 (0.37%) SAP FI-CA
6 3 (0.37%) SAP PSCD
7 2 (0.24%) Maximo
7 2 (0.24%) Oracle BPM
7 2 (0.24%) Oracle EBS
7 2 (0.24%) Payment Gateway
7 2 (0.24%) Shopify
7 2 (0.24%) Siebel CRM
8 1 (0.12%) NetSuite
Cloud Services
1 160 (19.49%) Azure
2 111 (13.52%) AWS
3 75 (9.14%) GitHub
4 38 (4.63%) SaaS
5 37 (4.51%) PaaS
6 36 (4.38%) Power Platform
7 33 (4.02%) Boomi
8 29 (3.53%) Serverless
9 27 (3.29%) GCP
10 22 (2.68%) Slack
11 21 (2.56%) Amazon S3
12 20 (2.44%) AWS Lambda
12 20 (2.44%) Azure Active Directory
13 17 (2.07%) IaaS
13 17 (2.07%) Office 365
14 16 (1.95%) Logic Apps
15 15 (1.83%) Amazon EC2
15 15 (1.83%) Apigee
16 13 (1.58%) npm
17 12 (1.46%) Azure Data Factory
Communications & Networking
1 70 (8.53%) HTTP
2 24 (2.92%) DNS
3 19 (2.31%) SSL
4 15 (1.83%) FTP
5 14 (1.71%) TCP/IP
6 12 (1.46%) Firewall
7 11 (1.34%) HTTPS
8 7 (0.85%) Broadband
8 7 (0.85%) LAN
9 6 (0.73%) Skype
9 6 (0.73%) Wi-Fi
10 5 (0.61%) DKIM
10 5 (0.61%) DSL
10 5 (0.61%) Internet
10 5 (0.61%) WAN
11 4 (0.49%) Ethernet
11 4 (0.49%) Network Security
11 4 (0.49%) PBX
11 4 (0.49%) Reverse Proxy
11 4 (0.49%) Wireless
Database & Business Intelligence
1 147 (17.90%) SQL Server
2 67 (8.16%) NoSQL
3 58 (7.06%) Relational Database
4 52 (6.33%) PostgreSQL
5 45 (5.48%) Data Warehouse
6 42 (5.12%) MySQL
7 37 (4.51%) Oracle Database
8 36 (4.38%) SQL Server Integration Services
9 35 (4.26%) MongoDB
10 30 (3.65%) Power BI
11 27 (3.29%) Big Data
12 21 (2.56%) Oracle Database 11g
13 16 (1.95%) DB2
14 15 (1.83%) SQL Server Reporting Services
15 11 (1.34%) Amazon DynamoDB
16 10 (1.22%) Apache Cassandra
16 10 (1.22%) Data Lake
16 10 (1.22%) RDBMS
16 10 (1.22%) SQL Server Analysis Services
17 9 (1.10%) Oracle ODI
Development Applications
1 231 (28.14%) Git (software)
2 155 (18.88%) Jenkins
3 127 (15.47%) JIRA
4 79 (9.62%) Maven
5 73 (8.89%) Postman
6 62 (7.55%) Cucumber
7 58 (7.06%) Selenium
8 50 (6.09%) JUnit
9 46 (5.60%) SoapUI
9 46 (5.60%) Team Foundation Server
10 36 (4.38%) Gradle
11 31 (3.78%) Visual Studio
12 28 (3.41%) Eclipse
13 25 (3.05%) Bitbucket
13 25 (3.05%) GitLab
14 22 (2.68%) Mockito
15 21 (2.56%) Android Studio
15 21 (2.56%) Xcode
16 20 (2.44%) JMeter
16 20 (2.44%) Visual Studio Team System
General
1 125 (15.23%) Finance
2 103 (12.55%) Public Sector
3 51 (6.21%) Marketing
4 41 (4.99%) Manufacturing
5 40 (4.87%) Banking
6 39 (4.75%) Telecoms
7 36 (4.38%) Electronics
8 14 (1.71%) Retail
9 13 (1.58%) Back Office
10 9 (1.10%) Financial Institution
10 9 (1.10%) Games
11 8 (0.97%) Law
12 7 (0.85%) Front Office
13 5 (0.61%) Investment Banking
13 5 (0.61%) Pharmaceutical
14 4 (0.49%) Local Government
14 4 (0.49%) Retail Banking
15 3 (0.37%) Legal
16 2 (0.24%) French Language
17 1 (0.12%) German Language
Job Titles
1 462 (56.27%) Developer
2 124 (15.10%) Java Developer
3 104 (12.67%) Architect
4 57 (6.94%) Senior Developer
5 42 (5.12%) .NET Developer
6 33 (4.02%) Analyst
6 33 (4.02%) DevOps Engineer
6 33 (4.02%) Senior Java Developer
7 31 (3.78%) Technical Architect
8 27 (3.29%) Integration Developer
9 26 (3.17%) C# Developer
9 26 (3.17%) Front End Developer (Client-Side Developer)
9 26 (3.17%) Node.js Developer
10 23 (2.80%) Full Stack Developer
11 21 (2.56%) Applications Architect
11 21 (2.56%) Cloud Architect
12 20 (2.44%) Android Developer
12 20 (2.44%) Software Engineer
12 20 (2.44%) SQL Developer
12 20 (2.44%) Tester
Libraries, Frameworks & Software Standards
1 440 (53.59%) XML
2 315 (38.37%) REST
3 229 (27.89%) Web Services
4 221 (26.92%) SOAP
5 212 (25.82%) CSS
5 212 (25.82%) HTML
6 181 (22.05%) RESTful
7 134 (16.32%) .NET
8 109 (13.28%) Spring
9 95 (11.57%) Node.js
10 92 (11.21%) XSLT
11 79 (9.62%) HTML5
12 76 (9.26%) AngularJS
13 71 (8.65%) Middleware
14 65 (7.92%) Apache Camel
15 60 (7.31%) Swagger
16 58 (7.06%) React
17 52 (6.33%) jQuery
18 48 (5.85%) RabbitMQ
19 44 (5.36%) CSS3
Miscellaneous
1 66 (8.04%) User Experience
2 43 (5.24%) Mobile App
3 40 (4.87%) Enterprise Software
4 33 (4.02%) Analytical Skills
5 27 (3.29%) Data Structures
6 14 (1.71%) Greenfield Project
6 14 (1.71%) PKI
7 12 (1.46%) Virtual Team
8 11 (1.34%) Management Information System
9 10 (1.22%) Credit Risk
9 10 (1.22%) Linux Command Line
10 9 (1.10%) Foreign Exchange (FX)
10 9 (1.10%) Video\Live Streaming
11 8 (0.97%) Cloud Native
11 8 (0.97%) Data Centre
12 6 (0.73%) Mobile Payment
12 6 (0.73%) Public Cloud
12 6 (0.73%) Self-Motivation
12 6 (0.73%) Video Conferencing
12 6 (0.73%) W3C
Operating Systems
1 122 (14.86%) Linux
2 97 (11.81%) Windows
3 54 (6.58%) Unix
4 38 (4.63%) Android
5 28 (3.41%) Apple iOS
6 23 (2.80%) Red Hat Enterprise Linux
7 20 (2.44%) Windows Server
8 9 (1.10%) CentOS
9 8 (0.97%) Windows Server 2012
10 5 (0.61%) Windows Server 2016
11 4 (0.49%) Embedded Linux
11 4 (0.49%) Mac OS
11 4 (0.49%) Oracle Linux
11 4 (0.49%) Windows 10
12 3 (0.37%) Ubuntu
13 2 (0.24%) Solaris
13 2 (0.24%) VMS
13 2 (0.24%) Windows Server 2019
14 1 (0.12%) Debian
14 1 (0.12%) Windows Vista
Processes & Methodologies
1 373 (45.43%) Agile Software Development
2 154 (18.76%) DevOps
3 134 (16.32%) SOA
4 131 (15.96%) TDD
5 127 (15.47%) Test Automation
6 121 (14.74%) Microservices
7 111 (13.52%) Continuous Integration
8 109 (13.28%) Scrum
9 92 (11.21%) Business Intelligence
10 74 (9.01%) MVC
10 74 (9.01%) Problem-Solving
11 73 (8.89%) OO
12 67 (8.16%) BDD
13 62 (7.55%) Kanban
14 58 (7.06%) Unit Testing
15 56 (6.82%) Waterfall
16 55 (6.70%) Analytics
17 54 (6.58%) Software Engineering
18 53 (6.46%) Data Modelling
19 52 (6.33%) SDLC
Programming Languages
1 369 (44.95%) Java
2 269 (32.76%) SQL
3 262 (31.91%) JavaScript
4 141 (17.17%) C#
5 119 (14.49%) Python
6 98 (11.94%) PL/SQL
7 70 (8.53%) PowerShell
8 63 (7.67%) T-SQL
9 49 (5.97%) Java 8
9 49 (5.97%) XPath
10 42 (5.12%) Bash Shell
10 42 (5.12%) Shell Script
11 35 (4.26%) Groovy
12 31 (3.78%) Scala
13 29 (3.53%) TypeScript
14 28 (3.41%) Kotlin
15 26 (3.17%) PHP
16 24 (2.92%) Ruby
17 23 (2.80%) Apple Swift
18 18 (2.19%) XQuery
Qualifications
1 142 (17.30%) Security Cleared
2 122 (14.86%) SC Cleared
3 49 (5.97%) Degree
4 23 (2.80%) Computer Science Degree
5 13 (1.58%) DV Cleared
6 12 (1.46%) ISTQB
7 10 (1.22%) BPSS Clearance
8 7 (0.85%) ISEB
9 6 (0.73%) Cisco Certification
10 5 (0.61%) DBS Check
10 5 (0.61%) Master's Degree
10 5 (0.61%) Microsoft Certification
11 4 (0.49%) ISTQB Foundation Certification
12 3 (0.37%) MCSE
13 2 (0.24%) AWS Certification
13 2 (0.24%) CTC Cleared
13 2 (0.24%) HND
13 2 (0.24%) ISEB Practitioner
14 1 (0.12%) BC Cleared
14 1 (0.12%) TOGAF Certification
Quality Assurance & Compliance
1 43 (5.24%) QA
2 8 (0.97%) WCAG
3 6 (0.73%) Data Quality
4 4 (0.49%) HL7
4 4 (0.49%) RMADS
4 4 (0.49%) SLA
5 3 (0.37%) GDPR
5 3 (0.37%) ISO 20022
6 2 (0.24%) Disclosure Scotland
6 2 (0.24%) MiFID
6 2 (0.24%) PCI DSS
7 1 (0.12%) HIPAA
7 1 (0.12%) NIST
7 1 (0.12%) PSD2
System Software
1 80 (9.74%) Docker
2 33 (4.02%) Active Directory
3 10 (1.22%) NFS
4 6 (0.73%) VMware Infrastructure
5 4 (0.49%) Hyper-V
6 3 (0.37%) HDFS
6 3 (0.37%) vSphere
7 2 (0.24%) Virtual Machines
7 2 (0.24%) VMware ESXi
7 2 (0.24%) VMware NSX
8 1 (0.12%) GeoWebCache
8 1 (0.12%) LXC
8 1 (0.12%) Oracle Clusterware
8 1 (0.12%) Oracle RAC
8 1 (0.12%) VMware Workstation
8 1 (0.12%) XenApp
Systems Management
1 51 (6.21%) Kubernetes
2 32 (3.90%) Terraform
3 17 (2.07%) Ansible
4 12 (1.46%) Kibana
5 7 (0.85%) logstash
6 5 (0.61%) Grafana
7 4 (0.49%) Opscode Chef
7 4 (0.49%) Oracle ZFS
7 4 (0.49%) Single Sign-On
8 3 (0.37%) Data Guard
8 3 (0.37%) Istio
8 3 (0.37%) Jamf Pro
8 3 (0.37%) MIIS
8 3 (0.37%) Norton AntiVirus
8 3 (0.37%) PowerCLI
8 3 (0.37%) Symantec Endpoint Protection
9 2 (0.24%) Cisco CUCM
9 2 (0.24%) FortiGate
9 2 (0.24%) HP Quality Center
9 2 (0.24%) Puppet
Vendors
1 181 (22.05%) Oracle
2 102 (12.42%) Microsoft
3 52 (6.33%) Red Hat
4 51 (6.21%) SAP
5 44 (5.36%) MuleSoft
6 39 (4.75%) Google
7 35 (4.26%) Dell
8 34 (4.14%) Talend
9 29 (3.53%) Salesforce.com
9 29 (3.53%) WSO2
10 28 (3.41%) Axway
11 24 (2.92%) IBM
11 24 (2.92%) Splunk
12 21 (2.56%) Tableau
13 20 (2.44%) Sybase
14 18 (2.19%) AppDynamics
15 15 (1.83%) webMethods
16 14 (1.71%) Informatica
16 14 (1.71%) VMware
17 13 (1.58%) Atlassian