Period
to 14 October 2019

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 14 October 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 > England
6 months to
14 Oct 2019
Same period 2018 Same period 2017
Rank 112 110 97
Rank change year-on-year -2 -13 +1
Contract jobs citing JSON 1,710 2,231 2,349
As % of all contract IT jobs advertised in England 2.19% 2.39% 2.60%
As % of the Libraries, Frameworks & Software Standards category 7.00% 6.75% 8.00%
Number of daily rates quoted 1,098 1,542 1,615
England median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +5.88%
10th Percentile £349 £350 £325
90th Percentile £650 £613 £600
UK median daily rate £488 £475 £450
% change year-on-year +2.63% +5.56% +5.88%
Number of hourly rates quoted 23 12 39
England median hourly rate £55.00 £35.00 £45.00
Median hourly rate % change year-on-year +57.14% -22.22% -
10th Percentile £24.00 £29.15 £18.73
90th Percentile £122.50 £60.76 £63.75
UK median hourly rate £52.50 £35.00 £45.00
% change year-on-year +50.00% -22.22% -

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 24,424 33,066 29,364
As % of all contract IT jobs advertised in England 31.29% 35.41% 32.45%
Number of daily rates quoted 17,201 23,499 20,723
England median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +5.88%
10th Percentile £340 £325 £313
90th Percentile £650 £638 £625
UK median daily rate £495 £475 £450
% change year-on-year +4.21% +5.56% +5.88%
Number of hourly rates quoted 245 314 365
England median hourly rate £45.00 £41.57 £40.00
Median hourly rate % change year-on-year +8.25% +3.93% +6.67%
10th Percentile £17.50 £15.40 £18.85
90th Percentile £73.45 £57.50 £52.50
UK median hourly rate £44.00 £41.52 £40.00
% change year-on-year +5.99% +3.79% +6.67%

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 14 October 2019.

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 14 October 2019.

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 14 October 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
London +5 868 £525 +5.00% 177
South East -25 290 £450 -4.26% 107
North of England -16 184 £485 +20.12% 96
Midlands +13 161 £475 +8.57% 39
West Midlands +31 136 £489 +8.61% 20
South West +2 127 £450 +19.21% 58
Yorkshire +39 96 £500 +17.65% 31
East of England -37 62 £463 -11.90% 38
North West -61 59 £456 +14.06% 53
North East +18 29 £413 +3.13% 12
East Midlands -27 17 £404 -2.12% 19
JSON
UK

For the 6 months to 14 October 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 England region with a requirement for JSON.

1 854 (49.94%) Agile Software Development
2 778 (45.50%) XML
3 607 (35.50%) Java
3 607 (35.50%) JavaScript
4 534 (31.23%) REST
5 516 (30.18%) SQL
6 445 (26.02%) Azure
7 433 (25.32%) HTML
8 418 (24.44%) Git (software)
9 398 (23.27%) CSS
10 391 (22.87%) Web Services
11 387 (22.63%) DevOps
12 383 (22.40%) RESTful
13 368 (21.52%) Jenkins
14 361 (21.11%) Microservices
15 342 (20.00%) C#
16 337 (19.71%) Scrum
17 332 (19.42%) .NET
18 310 (18.13%) Linux
19 307 (17.95%) SQL Server
20 302 (17.66%) AWS
21 299 (17.49%) SOAP
22 295 (17.25%) JIRA
23 294 (17.19%) TDD
24 291 (17.02%) Test Automation
25 275 (16.08%) AngularJS
26 272 (15.91%) Spring
27 271 (15.85%) Finance
28 256 (14.97%) Docker
29 254 (14.85%) Python

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
1 196 (11.46%) Confluence
2 84 (4.91%) Apache
3 81 (4.74%) SharePoint
4 53 (3.10%) Elasticsearch
5 51 (2.98%) JBoss
6 49 (2.87%) Tomcat
7 36 (2.11%) Apache Spark
8 33 (1.93%) Oracle SOA Suite
9 32 (1.87%) Mule
10 27 (1.58%) CMS
10 27 (1.58%) WebLogic
11 26 (1.52%) Cloud Foundry
12 24 (1.40%) GeoServer
13 18 (1.05%) ArcGIS
14 17 (0.99%) IIS
14 17 (0.99%) WebSphere
15 14 (0.82%) Adobe Experience Manager
15 14 (0.82%) BizTalk Server
15 14 (0.82%) Magnolia
15 14 (0.82%) nginx
Applications
1 26 (1.52%) Microsoft Excel
2 17 (0.99%) Photoshop
3 16 (0.94%) GIMP
4 12 (0.70%) MS Visio
5 6 (0.35%) Microsoft Office
6 2 (0.12%) Chatbot
6 2 (0.12%) Microsoft PowerPoint
7 1 (0.058%) Adobe XD
7 1 (0.058%) Sketch
7 1 (0.058%) UXPin
Business Applications
1 32 (1.87%) Dynamics CRM
2 27 (1.58%) Sparx Enterprise Architect
3 25 (1.46%) BusinessWorks
4 13 (0.76%) Dynamics AX
5 10 (0.58%) Remedy ITSM
6 9 (0.53%) Dynamics NAV
7 8 (0.47%) Oracle BPM
7 8 (0.47%) Payment Gateway
8 4 (0.23%) NetSuite
9 3 (0.18%) Distributed Ledger
10 2 (0.12%) WebTrends
11 1 (0.058%) Magento
11 1 (0.058%) Oracle Receivables
11 1 (0.058%) Revive Adserver
Cloud Services
1 445 (26.02%) Azure
2 302 (17.66%) AWS
3 166 (9.71%) GitHub
4 98 (5.73%) Power Platform
5 90 (5.26%) IaaS
6 89 (5.20%) PaaS
7 79 (4.62%) Serverless
8 63 (3.68%) GCP
9 62 (3.63%) SaaS
10 58 (3.39%) Azure Active Directory
11 54 (3.16%) Amazon EC2
12 53 (3.10%) Amazon S3
12 53 (3.10%) Dynamics 365
13 43 (2.51%) AWS Lambda
13 43 (2.51%) Office 365
14 38 (2.22%) AWS CloudFormation
14 38 (2.22%) npm
14 38 (2.22%) OpenShift
15 36 (2.11%) Slack
16 31 (1.81%) Amazon CloudWatch
Communications & Networking
1 120 (7.02%) HTTP
2 28 (1.64%) SSL
3 27 (1.58%) Internet
4 26 (1.52%) VPN
5 22 (1.29%) TCP/IP
6 19 (1.11%) DNS
7 18 (1.05%) SNMP
8 17 (0.99%) FTP
9 16 (0.94%) SSH
10 15 (0.88%) HTTPS
11 12 (0.70%) BGP
11 12 (0.70%) ICMP
11 12 (0.70%) OSPF
12 11 (0.64%) Firewall
12 11 (0.64%) Telnet
13 10 (0.58%) Intranet
14 8 (0.47%) Unified Communications
15 7 (0.41%) BIG-IP
16 6 (0.35%) Kerberos
17 5 (0.29%) VoIP
Database & Business Intelligence
1 307 (17.95%) SQL Server
2 167 (9.77%) NoSQL
3 154 (9.01%) Relational Database
4 124 (7.25%) MongoDB
5 120 (7.02%) MySQL
6 105 (6.14%) PostgreSQL
7 93 (5.44%) Data Warehouse
8 89 (5.20%) Power BI
9 74 (4.33%) Big Data
10 62 (3.63%) SQL Server Integration Services
11 57 (3.33%) Azure SQL Database
12 46 (2.69%) RDBMS
13 42 (2.46%) SQL Server Reporting Services
14 40 (2.34%) Amazon DynamoDB
14 40 (2.34%) Data Lake
15 39 (2.28%) Oracle Database
16 35 (2.05%) Amazon RDS
17 34 (1.99%) Cosmos DB
17 34 (1.99%) Hadoop
18 32 (1.87%) Apache Cassandra
Development Applications
1 418 (24.44%) Git (software)
2 368 (21.52%) Jenkins
3 295 (17.25%) JIRA
4 149 (8.71%) Maven
5 145 (8.48%) Selenium
6 124 (7.25%) JUnit
7 88 (5.15%) Sonatype Nexus
8 84 (4.91%) Visual Studio Team System
9 68 (3.98%) Eclipse
10 67 (3.92%) Cucumber
11 65 (3.80%) Visual Studio
12 60 (3.51%) IntelliJ
13 54 (3.16%) TeamCity
14 52 (3.04%) Team Foundation Server
15 51 (2.98%) Subversion
16 49 (2.87%) Bitbucket
17 47 (2.75%) Mockito
18 44 (2.57%) Gradle
19 42 (2.46%) Ant
20 40 (2.34%) NUnit
General
1 271 (15.85%) Finance
2 112 (6.55%) Banking
3 84 (4.91%) Public Sector
4 49 (2.87%) Retail
5 45 (2.63%) Marketing
6 32 (1.87%) Telecoms
7 30 (1.75%) Games
8 26 (1.52%) Back Office
9 19 (1.11%) Legal
10 17 (0.99%) Advertising
10 17 (0.99%) Financial Institution
10 17 (0.99%) Law
11 14 (0.82%) Front Office
12 13 (0.76%) Publishing
12 13 (0.76%) Retail Banking
13 11 (0.64%) Electronics
14 10 (0.58%) Investment Banking
14 10 (0.58%) Manufacturing
15 9 (0.53%) Pharmaceutical
16 6 (0.35%) Multimedia
Job Titles
1 933 (54.56%) Developer
2 216 (12.63%) Architect
3 197 (11.52%) Java Developer
4 111 (6.49%) DevOps Engineer
4 111 (6.49%) Senior Developer
5 87 (5.09%) .NET Developer
6 85 (4.97%) Front End Developer (Client-Side Developer)
7 70 (4.09%) Analyst
7 70 (4.09%) C# Developer
8 67 (3.92%) Consultant
9 66 (3.86%) Azure Engineer
10 63 (3.68%) React Developer
10 63 (3.68%) Tester
11 55 (3.22%) Solutions Architect
12 54 (3.16%) Full Stack Developer
13 50 (2.92%) Android Developer
13 50 (2.92%) Technical Architect
14 49 (2.87%) Azure DevOps
15 47 (2.75%) Automation Tester
16 45 (2.63%) Azure DevOps Engineer
Libraries, Frameworks & Software Standards
1 778 (45.50%) XML
2 534 (31.23%) REST
3 433 (25.32%) HTML
4 398 (23.27%) CSS
5 391 (22.87%) Web Services
6 383 (22.40%) RESTful
7 332 (19.42%) .NET
8 299 (17.49%) SOAP
9 275 (16.08%) AngularJS
10 272 (15.91%) Spring
11 224 (13.10%) Node.js
12 204 (11.93%) HTML5
13 185 (10.82%) jQuery
13 185 (10.82%) React
14 125 (7.31%) CSS3
15 115 (6.73%) Spring Boot
16 111 (6.49%) .NET Framework
17 108 (6.32%) ASP.NET
18 106 (6.20%) Ajax
19 95 (5.56%) Kafka
Miscellaneous
1 123 (7.19%) Mobile App
2 120 (7.02%) User Experience
3 109 (6.37%) Analytical Skills
4 77 (4.50%) Enterprise Software
5 48 (2.81%) Greenfield Project
6 43 (2.51%) Self-Motivation
7 40 (2.34%) Linux Command Line
8 34 (1.99%) PKI
9 26 (1.52%) Enterprise Cloud
10 25 (1.46%) Virtual Team
11 24 (1.40%) Data Structures
12 21 (1.23%) Management Information System
13 19 (1.11%) Client/Server
14 18 (1.05%) Data Centre
15 17 (0.99%) Cloud Native
16 15 (0.88%) Replication
17 11 (0.64%) Public Cloud
18 10 (0.58%) IVR
19 9 (0.53%) Blog
19 9 (0.53%) Taxonomies
Operating Systems
1 310 (18.13%) Linux
2 165 (9.65%) Windows
3 97 (5.67%) Android
3 97 (5.67%) Apple iOS
4 93 (5.44%) Unix
5 66 (3.86%) Red Hat Enterprise Linux
6 23 (1.35%) Windows Server
7 21 (1.23%) Ubuntu
8 15 (0.88%) Mac OS
9 12 (0.70%) CentOS
10 9 (0.53%) Mac OS X
11 6 (0.35%) Debian
11 6 (0.35%) Windows 10
12 4 (0.23%) Windows 7
12 4 (0.23%) Windows 8
12 4 (0.23%) Windows Server 2008
13 3 (0.18%) AIX
13 3 (0.18%) Mac OS X Server
13 3 (0.18%) Solaris
13 3 (0.18%) VMS
Processes & Methodologies
1 854 (49.94%) Agile Software Development
2 387 (22.63%) DevOps
3 361 (21.11%) Microservices
4 337 (19.71%) Scrum
5 294 (17.19%) TDD
6 291 (17.02%) Test Automation
7 226 (13.22%) Continuous Integration
8 165 (9.65%) BDD
9 159 (9.30%) SOA
10 151 (8.83%) MVC
10 151 (8.83%) Problem-Solving
11 142 (8.30%) Kanban
12 128 (7.49%) Open Source
13 126 (7.37%) Web Development
14 118 (6.90%) Front End Development
15 115 (6.73%) Unit Testing
16 114 (6.67%) Analytics
17 103 (6.02%) SDLC
18 102 (5.96%) Data Modelling
19 101 (5.91%) Migration
Programming Languages
1 607 (35.50%) Java
1 607 (35.50%) JavaScript
2 516 (30.18%) SQL
3 342 (20.00%) C#
4 254 (14.85%) Python
5 176 (10.29%) PowerShell
6 115 (6.73%) Bash Shell
7 114 (6.67%) Java 8
8 112 (6.55%) Ruby
9 94 (5.50%) Shell Script
10 90 (5.26%) T-SQL
11 89 (5.20%) Perl
12 85 (4.97%) Scala
13 81 (4.74%) TypeScript
14 69 (4.04%) PL/SQL
15 66 (3.86%) PHP
16 38 (2.22%) Groovy
17 37 (2.16%) C++
17 37 (2.16%) ES6
18 35 (2.05%) Apple Swift
Qualifications
1 229 (13.39%) Security Cleared
2 136 (7.95%) SC Cleared
3 85 (4.97%) Degree
4 40 (2.34%) Computer Science Degree
4 40 (2.34%) DV Cleared
5 27 (1.58%) AWS Certification
5 27 (1.58%) RHCE
6 19 (1.11%) BPSS Clearance
7 13 (0.76%) Cisco Certification
8 11 (0.64%) CCNP
8 11 (0.64%) Master's Degree
9 8 (0.47%) ISTQB
10 6 (0.35%) CCIE
10 6 (0.35%) CCNA
10 6 (0.35%) PhD
10 6 (0.35%) TOGAF Certification
11 5 (0.29%) CISSP
12 4 (0.23%) DBS Check
13 3 (0.18%) (ISC)2 CCSP
13 3 (0.18%) BC Cleared
Quality Assurance & Compliance
1 77 (4.50%) QA
2 21 (1.23%) ISO/IEC 27001
3 13 (0.76%) MiFID
3 13 (0.76%) PCI DSS
4 12 (0.70%) Data Quality
5 11 (0.64%) GDPR
5 11 (0.64%) WCAG
6 10 (0.58%) PMO
7 8 (0.47%) NIST
8 6 (0.35%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
8 6 (0.35%) Sarbanes-Oxley
8 6 (0.35%) SLA
9 5 (0.29%) HMG Infosec
9 5 (0.29%) HMG Security Policy Framework
9 5 (0.29%) JSP 440
10 3 (0.18%) Disclosure Scotland
11 2 (0.12%) HL7
11 2 (0.12%) IFRS
11 2 (0.12%) NCSC
System Software
1 256 (14.97%) Docker
2 88 (5.15%) Active Directory
3 18 (1.05%) Virtual Machines
4 13 (0.76%) VMware Infrastructure
5 9 (0.53%) HDFS
5 9 (0.53%) Hyper-V
6 4 (0.23%) LXC
6 4 (0.23%) Postfix
6 4 (0.23%) VMware ESXi
7 3 (0.18%) Apache ZooKeeper
7 3 (0.18%) Firmware
7 3 (0.18%) NDS
7 3 (0.18%) NetIQ eDirectory
7 3 (0.18%) OpenAM
7 3 (0.18%) OpenDJ
7 3 (0.18%) VMware Workstation
7 3 (0.18%) vSphere
8 2 (0.12%) ISA Server
8 2 (0.12%) XenApp
9 1 (0.058%) Citrix Hypervisor
Systems Management
1 89 (5.20%) Kubernetes
2 68 (3.98%) Ansible
3 64 (3.74%) Opscode Chef
4 62 (3.63%) Terraform
5 50 (2.92%) Puppet
6 32 (1.87%) Kibana
7 28 (1.64%) Suricata
8 21 (1.23%) WMI
9 20 (1.17%) Grafana
10 12 (0.70%) Control-M
11 11 (0.64%) logstash
12 8 (0.47%) HP Quality Center
12 8 (0.47%) Istio
12 8 (0.47%) Single Sign-On
13 7 (0.41%) Salt
14 6 (0.35%) Cisco Prime
14 6 (0.35%) MIIS
15 5 (0.29%) Jamf Pro
16 4 (0.23%) Enterprise Manager Cloud Control
16 4 (0.23%) yum
Vendors
1 253 (14.80%) Microsoft
2 191 (11.17%) Oracle
3 106 (6.20%) Google
4 66 (3.86%) Splunk
5 63 (3.68%) MuleSoft
6 57 (3.33%) SAP
7 53 (3.10%) Red Hat
8 35 (2.05%) Adobe
9 34 (1.99%) Tableau
10 31 (1.81%) TIBCO
11 30 (1.75%) IBM
12 29 (1.70%) Qualys
13 28 (1.64%) Sparx
14 26 (1.52%) Xamarin
15 25 (1.46%) F5
16 24 (1.40%) Salesforce.com
17 23 (1.35%) AppDynamics
18 21 (1.23%) Cisco
18 21 (1.23%) WSO2
19 20 (1.17%) Atlassian