Period
to 5 August 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 5 August 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
5 Aug 2020
Same period 2019 Same period 2018
Rank 139 104 107
Rank change year-on-year -35 +3 -12
Contract jobs citing JSON 646 2,142 2,524
As % of all contract jobs advertised in the UK 1.81% 2.35% 2.46%
As % of the Libraries, Frameworks & Software Standards category 5.96% 7.39% 7.18%
Number of daily rates quoted 429 1,372 1,677
Median daily rate £465 £490 £470
Median daily rate % change year-on-year -5.10% +4.26% +4.44%
10th Percentile £355 £350 £327
90th Percentile £606 £638 £600
UK excluding London median daily rate £453 £460 £440
% change year-on-year -1.60% +4.55% +3.53%
Number of hourly rates quoted 12 36 14
Median hourly rate £51.75 £55.00 £45.00
Median hourly rate % change year-on-year -5.91% +22.22% +25.00%
10th Percentile £35.00 £35.00 £20.00
90th Percentile £68.75 £122.50 £70.78
UK excluding London median hourly rate £56.50 £55.00 £45.00
% change year-on-year +2.73% +22.22% +8.43%

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 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 10,841 28,973 35,153
As % of all contract IT jobs advertised in the UK 30.44% 31.81% 34.21%
Number of daily rates quoted 7,200 20,192 24,770
Median daily rate £500 £488 £475
Median daily rate % change year-on-year +2.56% +2.63% +5.56%
10th Percentile £330 £333 £320
90th Percentile £675 £650 £625
UK excluding London median daily rate £450 £438 £420
% change year-on-year +2.80% +4.23% +5.00%
Number of hourly rates quoted 171 327 352
Median hourly rate £35.00 £42.50 £41.21
Median hourly rate % change year-on-year -17.65% +3.14% +3.01%
10th Percentile £22.50 £18.50 £15.24
90th Percentile £63.75 £60.00 £57.50
Median hourly rate £35.00 £42.50 £40.00
% change year-on-year -17.65% +6.25% -0.62%

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 5 August 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 5 August 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 5 August 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 -40 560 £500 - 191
UK excluding London -15 357 £453 -1.60% 148
London -61 248 £500 -3.38% 55
North of England +9 92 £465 +3.33% 44
South West +58 67 £525 +10.53% 22
Work from Home +1 64 £450 -18.18% 28
Midlands +1 62 £432 -9.05% 20
South East -21 50 £453 +0.59% 33
West Midlands -3 47 £432 -13.60% 10
North West +36 46 £425 -5.56% 23
Yorkshire -3 39 £550 +14.58% 17
Northern Ireland +26 30 £400 -15.79% 1
East of England +32 28 £525 +5.00% 16
Scotland -12 27 £400 -5.88% 10
East Midlands +45 15 £520 +38.67% 10
North East +30 7 £525 +31.25% 4
Wales +15 2 £463 +11.45% 2

For the 6 months to 5 August 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.

1 336 (52.01%) XML
2 299 (46.28%) Java
3 268 (41.49%) Agile Software Development
4 243 (37.62%) REST
5 214 (33.13%) JavaScript
6 184 (28.48%) SQL
7 181 (28.02%) Web Services
8 179 (27.71%) SOAP
8 179 (27.71%) Git (software)
9 160 (24.77%) HTML
10 148 (22.91%) Oracle
11 143 (22.14%) CSS
11 143 (22.14%) RESTful
12 142 (21.98%) Jenkins
13 138 (21.36%) DevOps
14 127 (19.66%) Security Cleared
15 123 (19.04%) Azure
16 117 (18.11%) Scrum
17 112 (17.34%) Finance
17 112 (17.34%) TDD
18 111 (17.18%) SC Cleared
19 109 (16.87%) JIRA
19 109 (16.87%) SQL Server
20 108 (16.72%) Continuous Integration
20 108 (16.72%) AWS
21 107 (16.56%) Python
22 104 (16.10%) Windows
23 102 (15.79%) SOA
23 102 (15.79%) Test Automation
24 99 (15.33%) Linux

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 76 (11.76%) Confluence
2 58 (8.98%) Red Hat Fuse
3 57 (8.82%) Mule
4 53 (8.20%) Oracle SOA Suite
5 48 (7.43%) WebLogic
6 46 (7.12%) Apache
6 46 (7.12%) Tomcat
7 34 (5.26%) JBoss
8 25 (3.87%) Oracle Service Bus
9 19 (2.94%) WebSphere
10 16 (2.48%) IIS
11 15 (2.32%) Apache Spark
11 15 (2.32%) Cloud Foundry
12 12 (1.86%) Apache ServiceMix
12 12 (1.86%) Elasticsearch
12 12 (1.86%) MQSeries
13 9 (1.39%) BizTalk Server
14 8 (1.24%) SharePoint
15 7 (1.08%) Anypoint
15 7 (1.08%) CMS
Applications
1 22 (3.41%) Microsoft Excel
2 7 (1.08%) Microsoft Office
3 5 (0.77%) Chatbot
3 5 (0.77%) Figma
3 5 (0.77%) MS Visio
4 4 (0.62%) Adobe Illustrator
4 4 (0.62%) Microsoft PowerPoint
4 4 (0.62%) Photoshop
4 4 (0.62%) Sketch
4 4 (0.62%) Zeplin
5 1 (0.15%) Microsoft Project
Business Applications
1 17 (2.63%) Oracle ERP
2 11 (1.70%) Dynamics CRM
3 9 (1.39%) Sparx Enterprise Architect
4 8 (1.24%) SAP FI-CA
5 5 (0.77%) Distributed Ledger
6 4 (0.62%) Oracle Applications
6 4 (0.62%) Remedy ITSM
7 3 (0.46%) SAP Hybris
8 2 (0.31%) Maximo
8 2 (0.31%) Oracle BPM
8 2 (0.31%) Oracle EBS
8 2 (0.31%) Siebel CRM
9 1 (0.15%) BusinessWorks
9 1 (0.15%) Magento
9 1 (0.15%) Payment Gateway
9 1 (0.15%) SAP S/4HANA
Cloud Services
1 123 (19.04%) Azure
2 108 (16.72%) AWS
3 73 (11.30%) GitHub
4 34 (5.26%) PaaS
5 30 (4.64%) GCP
6 28 (4.33%) SaaS
7 27 (4.18%) Amazon S3
8 25 (3.87%) Slack
9 24 (3.72%) Power Platform
9 24 (3.72%) Serverless
10 23 (3.56%) npm
11 22 (3.41%) Apigee
12 18 (2.79%) Amazon EC2
13 16 (2.48%) AWS Lambda
14 15 (2.32%) Boomi
15 14 (2.17%) AWS CloudFormation
15 14 (2.17%) IaaS
16 12 (1.86%) Logic Apps
17 10 (1.55%) Azure Functions
17 10 (1.55%) OpenShift
Communications & Networking
1 61 (9.44%) HTTP
2 33 (5.11%) DNS
3 31 (4.80%) SSL
4 20 (3.10%) TCP/IP
5 17 (2.63%) FTP
6 15 (2.32%) Reverse Proxy
7 13 (2.01%) Firewall
8 10 (1.55%) Remote Desktop
9 9 (1.39%) SSH
10 7 (1.08%) Internet
11 6 (0.93%) Broadband
11 6 (0.93%) LAN
12 5 (0.77%) DKIM
12 5 (0.77%) HTTPS
12 5 (0.77%) Wi-Fi
13 4 (0.62%) DSL
13 4 (0.62%) Ethernet
13 4 (0.62%) OpenVPN
13 4 (0.62%) Wireless
14 3 (0.46%) WLAN
Database & Business Intelligence
1 109 (16.87%) SQL Server
2 44 (6.81%) PostgreSQL
2 44 (6.81%) Relational Database
3 43 (6.66%) Oracle Database
4 42 (6.50%) MongoDB
5 40 (6.19%) MySQL
6 33 (5.11%) Data Warehouse
7 31 (4.80%) NoSQL
8 26 (4.02%) SQL Server Integration Services
9 25 (3.87%) Hadoop
10 23 (3.56%) Power BI
11 19 (2.94%) Amazon DynamoDB
12 16 (2.48%) Big Data
12 16 (2.48%) Oracle Database 11g
13 15 (2.32%) Oracle Reports
14 14 (2.17%) SQL Server Reporting Services
15 13 (2.01%) Apache Hive
16 11 (1.70%) BusinessObjects
16 11 (1.70%) DB2
17 9 (1.39%) Snowflake Schema
Development Applications
1 179 (27.71%) Git (software)
2 142 (21.98%) Jenkins
3 109 (16.87%) JIRA
4 75 (11.61%) Maven
5 60 (9.29%) Selenium
6 55 (8.51%) JUnit
7 51 (7.89%) Cucumber
8 44 (6.81%) Postman
9 39 (6.04%) SoapUI
10 35 (5.42%) Team Foundation Server
11 29 (4.49%) Visual Studio
12 26 (4.02%) Eclipse
12 26 (4.02%) Sonatype Nexus
13 23 (3.56%) Gradle
14 20 (3.10%) GitLab
14 20 (3.10%) JMeter
14 20 (3.10%) Mockito
15 17 (2.63%) Bitbucket
16 16 (2.48%) Xcode
17 15 (2.32%) Ant
General
1 112 (17.34%) Finance
2 85 (13.16%) Public Sector
3 50 (7.74%) Marketing
4 49 (7.59%) Manufacturing
5 44 (6.81%) Banking
6 43 (6.66%) Electronics
7 39 (6.04%) Telecoms
8 18 (2.79%) Retail
9 9 (1.39%) Pharmaceutical
10 8 (1.24%) Back Office
11 7 (1.08%) Investment Banking
11 7 (1.08%) Law
12 6 (0.93%) Games
13 5 (0.77%) Financial Institution
13 5 (0.77%) Front Office
14 4 (0.62%) Retail Banking
15 2 (0.31%) French Language
15 2 (0.31%) Legal
15 2 (0.31%) Police
16 1 (0.15%) German Language
Job Titles
1 336 (52.01%) Developer
2 92 (14.24%) Java Developer
3 81 (12.54%) Architect
4 53 (8.20%) Senior Developer
5 33 (5.11%) Senior Java Developer
6 28 (4.33%) Analyst
7 26 (4.02%) DevOps Engineer
8 23 (3.56%) Front End Developer (Client-Side Developer)
8 23 (3.56%) Integration Developer
9 20 (3.10%) Technical Architect
10 19 (2.94%) .NET Developer
10 19 (2.94%) Consultant
11 18 (2.79%) Azure Engineer
11 18 (2.79%) React Developer
11 18 (2.79%) Salesforce Developer
12 17 (2.63%) Full Stack Developer
13 16 (2.48%) Data Engineer
13 16 (2.48%) iOS Developer
13 16 (2.48%) Solutions Architect
14 15 (2.32%) Senior Integration Developer
Libraries, Frameworks & Software Standards
1 336 (52.01%) XML
2 243 (37.62%) REST
3 181 (28.02%) Web Services
4 179 (27.71%) SOAP
5 160 (24.77%) HTML
6 143 (22.14%) CSS
6 143 (22.14%) RESTful
7 90 (13.93%) Node.js
8 87 (13.47%) Spring
9 84 (13.00%) .NET
10 76 (11.76%) XSLT
11 63 (9.75%) Middleware
12 57 (8.82%) Apache Camel
13 54 (8.36%) Swagger
14 52 (8.05%) AngularJS
15 50 (7.74%) jQuery
15 50 (7.74%) Spring Boot
16 46 (7.12%) HTML5
17 44 (6.81%) WireMock
18 43 (6.66%) Kafka
Miscellaneous
1 46 (7.12%) User Experience
2 40 (6.19%) Mobile App
3 28 (4.33%) Enterprise Software
4 25 (3.87%) Analytical Skills
5 21 (3.25%) Data Structures
6 14 (2.17%) Linux Command Line
6 14 (2.17%) PKI
7 12 (1.86%) Greenfield Project
8 10 (1.55%) Management Information System
9 8 (1.24%) Cloud Native
9 8 (1.24%) CMDB
9 8 (1.24%) Data Centre
10 7 (1.08%) Foreign Exchange (FX)
11 6 (0.93%) Credit Risk
11 6 (0.93%) Video on Demand
11 6 (0.93%) W3C
12 5 (0.77%) Blog
12 5 (0.77%) Clustering
12 5 (0.77%) Derivative
12 5 (0.77%) Public Cloud
Operating Systems
1 104 (16.10%) Windows
2 99 (15.33%) Linux
3 51 (7.89%) Unix
4 38 (5.88%) Android
5 36 (5.57%) Windows Server
6 32 (4.95%) Apple iOS
7 20 (3.10%) Windows Server 2012
8 17 (2.63%) Red Hat Enterprise Linux
9 7 (1.08%) CentOS
9 7 (1.08%) Windows Server 2016
10 6 (0.93%) Ubuntu
11 5 (0.77%) Debian
11 5 (0.77%) Mac OS X
12 4 (0.62%) Embedded Linux
12 4 (0.62%) Oracle Linux
12 4 (0.62%) Windows 10
13 2 (0.31%) VMS
13 2 (0.31%) Windows Server 2019
14 1 (0.15%) OpenVMS
14 1 (0.15%) Solaris
Processes & Methodologies
1 268 (41.49%) Agile Software Development
2 138 (21.36%) DevOps
3 117 (18.11%) Scrum
4 112 (17.34%) TDD
5 108 (16.72%) Continuous Integration
6 102 (15.79%) SOA
6 102 (15.79%) Test Automation
7 97 (15.02%) Microservices
8 92 (14.24%) Business Intelligence
9 75 (11.61%) Kanban
10 68 (10.53%) Unit Testing
11 67 (10.37%) Analytics
12 61 (9.44%) OO
13 50 (7.74%) Problem-Solving
14 47 (7.28%) BDD
14 47 (7.28%) MVC
15 44 (6.81%) Migration
16 43 (6.66%) Continuous Delivery
17 41 (6.35%) Software Engineering
18 39 (6.04%) Programme Management
Programming Languages
1 299 (46.28%) Java
2 214 (33.13%) JavaScript
3 184 (28.48%) SQL
4 107 (16.56%) Python
5 96 (14.86%) C#
6 71 (10.99%) PL/SQL
7 66 (10.22%) PowerShell
8 40 (6.19%) Bash Shell
8 40 (6.19%) XPath
9 39 (6.04%) T-SQL
10 38 (5.88%) ES6
11 28 (4.33%) Scala
12 27 (4.18%) Java 8
13 25 (3.87%) Groovy
14 24 (3.72%) Shell Script
15 19 (2.94%) Apple Swift
16 17 (2.63%) TypeScript
17 16 (2.48%) Perl
17 16 (2.48%) PHP
17 16 (2.48%) VB.NET
Qualifications
1 127 (19.66%) Security Cleared
2 111 (17.18%) SC Cleared
3 35 (5.42%) Degree
4 17 (2.63%) ISTQB
5 12 (1.86%) ISTQB Foundation Certification
6 11 (1.70%) Computer Science Degree
7 10 (1.55%) ISEB
8 8 (1.24%) DV Cleared
9 6 (0.93%) BPSS Clearance
10 5 (0.77%) DBS Check
10 5 (0.77%) Master's Degree
11 3 (0.46%) AWS Certification
12 2 (0.31%) TOGAF Certification
13 1 (0.15%) CTC Cleared
13 1 (0.15%) HND
13 1 (0.15%) MCSA
13 1 (0.15%) Microsoft Certification
13 1 (0.15%) SANS
Quality Assurance & Compliance
1 38 (5.88%) QA
2 6 (0.93%) WCAG
3 4 (0.62%) Data Quality
3 4 (0.62%) PMO
3 4 (0.62%) SLA
4 2 (0.31%) HL7
4 2 (0.31%) MiFID
5 1 (0.15%) Disclosure Scotland
5 1 (0.15%) HIPAA
5 1 (0.15%) ISO 20022
5 1 (0.15%) NIST
5 1 (0.15%) PCI DSS
5 1 (0.15%) PSD2
System Software
1 66 (10.22%) Docker
2 26 (4.02%) Active Directory
3 13 (2.01%) VMware Infrastructure
4 12 (1.86%) NFS
5 10 (1.55%) Hyper-V
6 8 (1.24%) HDFS
7 7 (1.08%) VMware ESXi
8 6 (0.93%) vSphere
9 5 (0.77%) GeoWebCache
9 5 (0.77%) VMware Workstation
10 3 (0.46%) Apache Flume
11 2 (0.31%) Virtual Machines
11 2 (0.31%) VMware NSX
11 2 (0.31%) XenApp
12 1 (0.15%) NDS
12 1 (0.15%) NetIQ eDirectory
Systems Management
1 45 (6.97%) Kubernetes
2 28 (4.33%) Terraform
3 14 (2.17%) Ansible
4 10 (1.55%) Rancher
5 9 (1.39%) Kibana
5 9 (1.39%) Single Sign-On
6 7 (1.08%) HP Quality Center
7 5 (0.77%) Grafana
7 5 (0.77%) PingFederate
7 5 (0.77%) PowerCLI
7 5 (0.77%) Puppet
7 5 (0.77%) Salt
8 4 (0.62%) Opscode Chef
8 4 (0.62%) Oracle ZFS
8 4 (0.62%) vRealize
9 3 (0.46%) SCVMM
10 2 (0.31%) Data Guard
10 2 (0.31%) MIIS
10 2 (0.31%) Netcool
10 2 (0.31%) systemd
Vendors
1 148 (22.91%) Oracle
2 88 (13.62%) Microsoft
3 64 (9.91%) SAP
4 41 (6.35%) MuleSoft
5 34 (5.26%) Splunk
6 31 (4.80%) Talend
6 31 (4.80%) WSO2
7 29 (4.49%) AppDynamics
7 29 (4.49%) Salesforce.com
8 28 (4.33%) Google
8 28 (4.33%) Red Hat
9 22 (3.41%) Dell
10 21 (3.25%) F5
11 20 (3.10%) IBM
11 20 (3.10%) VMware
12 18 (2.79%) Axway
13 17 (2.63%) Informatica
14 16 (2.48%) webMethods
15 14 (2.17%) Tableau
16 13 (2.01%) ServiceNow