Period
to 27 June 2019

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 27 June 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
6 months to
27 Jun 2019
Same period 2018 Same period 2017
Rank 98 104 93
Rank change year-on-year +6 -11 +46
Contract jobs citing JSON 2,220 2,438 2,372
As % of all contract IT jobs advertised in the UK 2.44% 2.41% 2.58%
As % of the Libraries, Frameworks & Software Standards category 7.53% 7.21% 8.05%
Number of daily rates quoted 1,400 1,601 1,607
UK median daily rate £490 £470 £450
Median daily rate % change year-on-year +4.26% +4.44% +7.14%
10th Percentile £350 £331 £313
90th Percentile £638 £600 £575
UK excluding London median daily rate £458 £440 £420
% change year-on-year +3.98% +4.76% +7.69%
Number of hourly rates quoted 37 13 31
UK median hourly rate £55.00 £45.00 £36.00
Median hourly rate % change year-on-year +22.22% +25.00% -27.27%
10th Percentile £35.00 £18.80 £19.25
90th Percentile £122.50 £72.00 £63.75
UK excluding London median hourly rate £55.00 £45.00 £37.00
% change year-on-year +22.22% +21.62% -24.49%

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 29,490 33,804 29,468
As % of all contract IT jobs advertised in the UK 32.35% 33.44% 32.00%
Number of daily rates quoted 20,629 23,757 20,403
UK median daily rate £489 £470 £445
Median daily rate % change year-on-year +4.04% +5.62% +4.71%
10th Percentile £331 £315 £303
90th Percentile £650 £625 £613
UK excluding London median daily rate £445 £415 £400
% change year-on-year +7.23% +3.75% +6.67%
Number of hourly rates quoted 324 346 380
UK median hourly rate £42.50 £41.88 £41.13
Median hourly rate % change year-on-year +1.47% +1.84% +9.67%
10th Percentile £18.24 £15.00 £15.93
90th Percentile £60.00 £62.50 £53.75
UK excluding London median hourly rate £42.50 £40.00 £41.00
% change year-on-year +6.25% -2.44% +9.33%

JSON
Job Vacancy Trend

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

Job vacancy trend for JSON in the UK

JSON
Contractor Daily Rate Trend

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

Contractor daily rate trend for JSON in the UK

JSON
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing JSON over the 6 months to 27 June 2019.

Contractor daily rate histogram for JSON in the UK

JSON
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for JSON in the UK

JSON
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing JSON over the 6 months to 27 June 2019.

Contractor 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 27 June 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
England +4 2,020 £500 +5.26% 139
UK excluding London +9 1,185 £458 +3.98% 102
London -1 988 £500 +2.04% 43
South East +7 376 £450 -2.70% 30
North of England +22 248 £450 +6.89% 21
Midlands +12 183 £470 +13.94% 24
West Midlands +30 141 £500 +21.21% 13
South West +17 128 £478 +27.33% 16
Yorkshire +61 126 £500 +14.29% 5
Scotland +44 113 £425 -5.56% 4
North West -21 104 £456 +12.65% 13
East of England -41 90 £525 - 5
East Midlands -29 33 £375 -9.09% 11
Wales +13 30 £419 +4.69% 2
North East +10 18 £400 - 3
Northern Ireland -4 18 £475 +10.21%
Channel Islands - 10 - -

For the 6 months to 27 June 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 with a requirement for JSON.

1 1,200 (54.05%) Agile Software Development
2 1,005 (45.27%) XML
3 931 (41.94%) Java
4 799 (35.99%) JavaScript
5 786 (35.41%) REST
6 658 (29.64%) HTML
7 635 (28.60%) SOAP
8 606 (27.30%) Git (software)
9 593 (26.71%) Web Services
10 581 (26.17%) CSS
11 578 (26.04%) SQL
12 531 (23.92%) RESTful
13 487 (21.94%) Jenkins
14 474 (21.35%) TDD
15 460 (20.72%) Microsoft Azure
16 455 (20.50%) C#
17 452 (20.36%) DevOps
18 443 (19.95%) Scrum
19 435 (19.59%) .NET
20 423 (19.05%) Spring
21 418 (18.83%) Microservices
22 383 (17.25%) Test Automation
23 367 (16.53%) Linux
24 350 (15.77%) Finance
25 347 (15.63%) SQL Server
26 337 (15.18%) JIRA
27 328 (14.77%) Continuous Integration
28 316 (14.23%) AngularJS
29 310 (13.96%) Amazon AWS
30 302 (13.60%) HTML5

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
1 236 (10.63%) Confluence
2 123 (5.54%) Apache
3 93 (4.19%) SharePoint
4 82 (3.69%) Elasticsearch
5 69 (3.11%) JBoss
6 67 (3.02%) Mule
7 58 (2.61%) Tomcat
8 52 (2.34%) WebSphere
9 50 (2.25%) Oracle SOA Suite
10 46 (2.07%) Cloud Foundry
11 40 (1.80%) WebLogic
12 35 (1.58%) CMS
13 32 (1.44%) Apache Spark
14 31 (1.40%) Anypoint
15 29 (1.31%) nginx
16 28 (1.26%) Oracle Service Bus
17 24 (1.08%) GeoServer
18 23 (1.04%) Adobe Experience Manager
19 20 (0.90%) OpenStack
20 19 (0.86%) BizTalk Server
Applications
1 30 (1.35%) Microsoft Excel
2 13 (0.59%) Photoshop
3 12 (0.54%) MS Visio
4 9 (0.41%) Chatbot
4 9 (0.41%) Microsoft Office
5 8 (0.36%) Sketch
6 7 (0.32%) Adobe Illustrator
7 4 (0.18%) GIMP
7 4 (0.18%) Microsoft PowerPoint
8 3 (0.14%) Adobe XD
9 1 (0.045%) Adobe Creative Suite
9 1 (0.045%) Figma
9 1 (0.045%) InVision
9 1 (0.045%) UXPin
Business Applications
1 33 (1.49%) Dynamics CRM
2 15 (0.68%) BusinessWorks
3 12 (0.54%) Dynamics AX
4 10 (0.45%) Payment Gateway
5 7 (0.32%) Distributed Ledger
5 7 (0.32%) Dynamics NAV
5 7 (0.32%) Oracle BPM
5 7 (0.32%) Oracle EBS
6 5 (0.23%) Workday HCM
7 4 (0.18%) SAP FI-CA
7 4 (0.18%) SAP PSCD
8 3 (0.14%) Adobe Campaign
8 3 (0.14%) Remedy ITSM
8 3 (0.14%) Revive Adserver
8 3 (0.14%) Salesforce.com CRM
9 2 (0.090%) SAP Hybris
10 1 (0.045%) Eloqua
10 1 (0.045%) Magento
10 1 (0.045%) NetSuite
10 1 (0.045%) StreamServe
Cloud Services
1 460 (20.72%) Microsoft Azure
2 310 (13.96%) Amazon AWS
3 160 (7.21%) GitHub
4 137 (6.17%) IaaS
5 131 (5.90%) PaaS
6 98 (4.41%) Serverless
7 92 (4.14%) SaaS
8 79 (3.56%) Amazon S3
9 78 (3.51%) Amazon EC2
10 67 (3.02%) Power Platform
11 66 (2.97%) Dynamics 365
12 51 (2.30%) Amazon CloudWatch
12 51 (2.30%) AWS Lambda
13 50 (2.25%) Amazon SQS
13 50 (2.25%) Office 365
14 47 (2.12%) AWS CloudFormation
15 46 (2.07%) npm
16 44 (1.98%) Google Cloud Platform
17 42 (1.89%) Azure Active Directory
17 42 (1.89%) Slack
Communications & Networking
1 114 (5.14%) HTTP
2 35 (1.58%) Firewall
3 34 (1.53%) SSL
4 25 (1.13%) FTP
5 24 (1.08%) VPN
6 22 (0.99%) TCP/IP
7 16 (0.72%) DNS
8 14 (0.63%) Internet
8 14 (0.63%) LAN
9 13 (0.59%) SSH
10 12 (0.54%) BGP
10 12 (0.54%) Network Security
10 12 (0.54%) OSPF
10 12 (0.54%) WAN
11 10 (0.45%) Skype
12 9 (0.41%) HTTPS
13 8 (0.36%) Bluetooth
13 8 (0.36%) NFC
13 8 (0.36%) VLAN
14 7 (0.32%) Reverse Proxy
Database & Business Intelligence
1 347 (15.63%) SQL Server
2 207 (9.32%) Relational Database
3 203 (9.14%) NoSQL
4 166 (7.48%) MongoDB
5 143 (6.44%) PostgreSQL
6 139 (6.26%) MySQL
7 90 (4.05%) Big Data
8 75 (3.38%) Data Warehouse
9 63 (2.84%) Power BI
10 58 (2.61%) RDBMS
11 54 (2.43%) Amazon RDS
12 51 (2.30%) Apache Cassandra
12 51 (2.30%) Oracle Database
13 50 (2.25%) SQL Server Integration Services
14 43 (1.94%) Hadoop
15 38 (1.71%) Amazon DynamoDB
16 33 (1.49%) Data Lake
17 32 (1.44%) HBase
17 32 (1.44%) SQL Server Reporting Services
18 28 (1.26%) DB2
Development Applications
1 606 (27.30%) Git (software)
2 487 (21.94%) Jenkins
3 337 (15.18%) JIRA
4 240 (10.81%) Maven
5 167 (7.52%) JUnit
6 145 (6.53%) Visual Studio Team System
7 130 (5.86%) Selenium
8 123 (5.54%) Team Foundation Server
8 123 (5.54%) Visual Studio
9 103 (4.64%) Eclipse
10 91 (4.10%) Cucumber
11 90 (4.05%) Subversion
12 86 (3.87%) Sonatype Nexus
13 82 (3.69%) Bitbucket
14 67 (3.02%) SoapUI
15 64 (2.88%) IntelliJ
16 61 (2.75%) Gradle
17 58 (2.61%) TeamCity
18 54 (2.43%) Mockito
19 51 (2.30%) JMeter
General
1 350 (15.77%) Finance
2 174 (7.84%) Banking
3 89 (4.01%) Marketing
4 61 (2.75%) Telecoms
5 56 (2.52%) Retail
6 53 (2.39%) Manufacturing
7 45 (2.03%) Electronics
8 32 (1.44%) Investment Banking
8 32 (1.44%) Legal
9 26 (1.17%) Law
10 24 (1.08%) Games
11 20 (0.90%) Front Office
12 18 (0.81%) Retail Banking
13 15 (0.68%) Back Office
13 15 (0.68%) Financial Institution
13 15 (0.68%) Pharmaceutical
14 14 (0.63%) Publishing
15 12 (0.54%) Automotive
15 12 (0.54%) French Language
16 9 (0.41%) Advertising
Job Titles
1 1,312 (59.10%) Developer
2 329 (14.82%) Java Developer
3 236 (10.63%) Architect
4 132 (5.95%) Senior Developer
5 130 (5.86%) DevOps Engineer
6 116 (5.23%) .NET Developer
7 105 (4.73%) Front End Developer (Client-Side Developer)
8 100 (4.50%) Full Stack Developer
9 94 (4.23%) Analyst
9 94 (4.23%) Azure Engineer
10 91 (4.10%) C# Developer
11 87 (3.92%) Technical Architect
12 75 (3.38%) Azure DevOps
13 72 (3.24%) Tester
14 71 (3.20%) React Developer
15 70 (3.15%) Android Developer
16 69 (3.11%) iOS Developer
17 68 (3.06%) Azure DevOps Engineer
17 68 (3.06%) Consultant
18 57 (2.57%) Automation Tester
Libraries, Frameworks & Software Standards
1 1,005 (45.27%) XML
2 786 (35.41%) REST
3 658 (29.64%) HTML
4 635 (28.60%) SOAP
5 593 (26.71%) Web Services
6 581 (26.17%) CSS
7 531 (23.92%) RESTful
8 435 (19.59%) .NET
9 423 (19.05%) Spring
10 316 (14.23%) AngularJS
11 302 (13.60%) HTML5
12 254 (11.44%) jQuery
13 227 (10.23%) Node.js
14 195 (8.78%) React
15 180 (8.11%) CSS3
16 177 (7.97%) ASP.NET
17 162 (7.30%) Ajax
18 157 (7.07%) .NET Framework
19 151 (6.80%) Spring Boot
20 138 (6.22%) ASP.NET Web API
Miscellaneous
1 179 (8.06%) Mobile App
2 118 (5.32%) User Experience
3 110 (4.95%) Analytical Skills
4 90 (4.05%) Enterprise Software
5 87 (3.92%) Greenfield Project
6 58 (2.61%) Self-Motivation
7 54 (2.43%) Linux Command Line
8 46 (2.07%) Data Structures
9 28 (1.26%) Replication
10 25 (1.13%) Client/Server
10 25 (1.13%) Virtual Team
11 23 (1.04%) Enterprise Cloud
11 23 (1.04%) PKI
12 17 (0.77%) Algorithms
12 17 (0.77%) Data Centre
13 15 (0.68%) Management Information System
13 15 (0.68%) Mobile Banking
14 14 (0.63%) DataPower
14 14 (0.63%) Smart Meter
14 14 (0.63%) Smartphone
Operating Systems
1 367 (16.53%) Linux
2 175 (7.88%) Windows
3 132 (5.95%) Android
4 118 (5.32%) Unix
5 101 (4.55%) Apple iOS
6 41 (1.85%) Red Hat Enterprise Linux
7 29 (1.31%) Windows Server
8 17 (0.77%) Ubuntu
9 13 (0.59%) CentOS
10 8 (0.36%) Fedora
11 5 (0.23%) Windows Server 2012
12 3 (0.14%) AIX
12 3 (0.14%) Mac OS X
12 3 (0.14%) VMS
12 3 (0.14%) Windows 10
13 1 (0.045%) Debian
13 1 (0.045%) Mac OS
Processes & Methodologies
1 1,200 (54.05%) Agile Software Development
2 474 (21.35%) TDD
3 452 (20.36%) DevOps
4 443 (19.95%) Scrum
5 418 (18.83%) Microservices
6 383 (17.25%) Test Automation
7 328 (14.77%) Continuous Integration
8 251 (11.31%) MVC
9 225 (10.14%) BDD
10 216 (9.73%) Unit Testing
11 214 (9.64%) SOA
12 168 (7.57%) Web Development
13 165 (7.43%) Problem-Solving
14 162 (7.30%) Kanban
15 151 (6.80%) Front End Development
16 149 (6.71%) Analytics
16 149 (6.71%) Migration
17 148 (6.67%) Data Modelling
18 144 (6.49%) Open Source
19 141 (6.35%) Continuous Delivery
Programming Languages
1 931 (41.94%) Java
2 799 (35.99%) JavaScript
3 578 (26.04%) SQL
4 455 (20.50%) C#
5 299 (13.47%) Python
6 211 (9.50%) Java 8
7 189 (8.51%) PowerShell
8 115 (5.18%) Ruby
9 102 (4.59%) Scala
10 92 (4.14%) Bash Shell
11 81 (3.65%) T-SQL
12 79 (3.56%) Shell Script
12 79 (3.56%) TypeScript
13 78 (3.51%) PHP
14 74 (3.33%) PL/SQL
15 68 (3.06%) Groovy
16 54 (2.43%) Apple Swift
16 54 (2.43%) XPath
17 53 (2.39%) Perl
18 44 (1.98%) C++
Qualifications
1 213 (9.59%) Security Cleared
2 150 (6.76%) SC Cleared
3 137 (6.17%) Degree
4 49 (2.21%) Computer Science Degree
5 44 (1.98%) BPSS Clearance
6 30 (1.35%) DV Cleared
7 27 (1.22%) Master's Degree
8 14 (0.63%) Cisco Certification
8 14 (0.63%) CTC Cleared
8 14 (0.63%) ISTQB
9 13 (0.59%) DBS Check
10 12 (0.54%) ISEB
10 12 (0.54%) ISTQB Foundation Certification
11 11 (0.50%) AWS Certification
11 11 (0.50%) CISSP
12 8 (0.36%) PhD
13 7 (0.32%) CCIE
13 7 (0.32%) Microsoft Certification
13 7 (0.32%) Numerate Degree
14 6 (0.27%) CCNP
Quality Assurance & Compliance
1 89 (4.01%) QA
2 46 (2.07%) Data Quality
3 22 (0.99%) GDPR
4 9 (0.41%) PCI DSS
5 6 (0.27%) ISO/IEC 27001
5 6 (0.27%) WCAG
6 5 (0.23%) HMG Security Policy Framework
6 5 (0.23%) NIST
6 5 (0.23%) PMO
7 4 (0.18%) Disclosure Scotland
7 4 (0.18%) HMG Infosec
7 4 (0.18%) JSP 440
8 3 (0.14%) HL7
8 3 (0.14%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
8 3 (0.14%) Sarbanes-Oxley
9 2 (0.090%) NCSC
9 2 (0.090%) PSD2
9 2 (0.090%) Solvency II
10 1 (0.045%) CESG Infosec
10 1 (0.045%) SEPA
System Software
1 268 (12.07%) Docker
2 82 (3.69%) Active Directory
3 25 (1.13%) Virtual Machines
4 19 (0.86%) HDFS
5 17 (0.77%) Apache ZooKeeper
6 12 (0.54%) VMware Infrastructure
7 4 (0.18%) Hyper-V
7 4 (0.18%) Postfix
8 3 (0.14%) Firmware
8 3 (0.14%) OpenAM
8 3 (0.14%) OpenDJ
8 3 (0.14%) VMware ESXi
8 3 (0.14%) VMware Workstation
8 3 (0.14%) vSphere
9 2 (0.090%) ISA Server
9 2 (0.090%) VirtualBox
9 2 (0.090%) XenApp
10 1 (0.045%) Apache Flume
10 1 (0.045%) Citrix Hypervisor
10 1 (0.045%) XenDesktop
Systems Management
1 122 (5.50%) Kubernetes
2 114 (5.14%) Ansible
3 73 (3.29%) Puppet
4 55 (2.48%) Terraform
5 53 (2.39%) Opscode Chef
6 23 (1.04%) Kibana
7 14 (0.63%) Hadoop YARN
8 12 (0.54%) Grafana
8 12 (0.54%) logstash
8 12 (0.54%) Single Sign-On
9 9 (0.41%) WMI
10 8 (0.36%) Control-M
10 8 (0.36%) Prometheus
11 7 (0.32%) CloudHub
11 7 (0.32%) Suricata
12 5 (0.23%) Packer
13 4 (0.18%) MOM
13 4 (0.18%) yum
14 3 (0.14%) Cisco Prime
14 3 (0.14%) Microsoft Intune
Vendors
1 296 (13.33%) Oracle
2 286 (12.88%) Microsoft
3 104 (4.68%) Google
4 96 (4.32%) SAP
5 82 (3.69%) MuleSoft
6 71 (3.20%) WSO2
7 64 (2.88%) IBM
8 57 (2.57%) Splunk
9 51 (2.30%) Salesforce.com
10 45 (2.03%) Adobe
11 42 (1.89%) Xamarin
12 41 (1.85%) Dell
13 39 (1.76%) Atlassian
14 32 (1.44%) Red Hat
15 31 (1.40%) TIBCO
16 27 (1.22%) AppDynamics
17 26 (1.17%) Tableau
18 24 (1.08%) hybris
19 22 (0.99%) Apple
20 21 (0.95%) Talend