Period
to 27 June 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 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 > England
6 months to
27 Jun 2019
Same period 2018 Same period 2017
Rank 99 103 91
Rank change year-on-year +4 -12 +47
Contract jobs citing JSON 2,020 2,234 2,176
As % of all contract IT jobs advertised in England 2.43% 2.42% 2.56%
As % of the Libraries, Frameworks & Software Standards category 7.43% 7.14% 7.96%
Number of daily rates quoted 1,303 1,480 1,478
England median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +5.88%
10th Percentile £350 £332 £319
90th Percentile £638 £600 £575
UK median daily rate £490 £470 £450
% change year-on-year +4.26% +4.44% +7.14%
Number of hourly rates quoted 35 12 31
England 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 £19.50 £19.25
90th Percentile £122.50 £73.50 £63.75
UK median hourly rate £55.00 £45.00 £36.00
% change year-on-year +22.22% +25.00% -27.27%

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 27,173 31,277 27,329
As % of all contract IT jobs advertised in England 32.64% 33.89% 32.21%
Number of daily rates quoted 19,183 22,188 18,983
England median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% +5.88%
10th Percentile £343 £319 £306
90th Percentile £650 £631 £615
UK median daily rate £489 £470 £445
% change year-on-year +4.04% +5.62% +4.71%
Number of hourly rates quoted 281 334 359
England median hourly rate £44.00 £42.13 £41.25
Median hourly rate % change year-on-year +4.45% +2.12% +10.00%
10th Percentile £18.50 £15.68 £18.40
90th Percentile £60.00 £61.75 £53.80
UK median hourly rate £42.50 £41.88 £41.13
% change year-on-year +1.47% +1.84% +9.67%

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 27 June 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 27 June 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 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
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
North West -21 104 £456 +12.65% 13
East of England -41 90 £525 - 5
East Midlands -29 33 £375 -9.09% 11
North East +10 18 £400 - 3
JSON
UK

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 across the England region with a requirement for JSON.

1 1,100 (54.46%) Agile Software Development
2 902 (44.65%) XML
3 797 (39.46%) Java
4 755 (37.38%) JavaScript
5 683 (33.81%) REST
6 589 (29.16%) HTML
7 550 (27.23%) SOAP
8 535 (26.49%) SQL
9 527 (26.09%) Web Services
10 521 (25.79%) CSS
11 512 (25.35%) Git (software)
12 496 (24.55%) RESTful
13 461 (22.82%) Jenkins
14 455 (22.52%) TDD
15 454 (22.48%) Microsoft Azure
16 442 (21.88%) DevOps
17 419 (20.74%) C#
18 413 (20.45%) .NET
19 405 (20.05%) Scrum
20 392 (19.41%) Microservices
21 353 (17.48%) Test Automation
22 349 (17.28%) Spring
23 343 (16.98%) Linux
24 333 (16.49%) SQL Server
25 321 (15.89%) Finance
26 313 (15.50%) Continuous Integration
27 305 (15.10%) Amazon AWS
28 292 (14.46%) JIRA
29 287 (14.21%) AngularJS
30 284 (14.06%) 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
1 214 (10.59%) Confluence
2 122 (6.04%) Apache
3 93 (4.60%) SharePoint
4 82 (4.06%) Elasticsearch
5 66 (3.27%) Mule
6 56 (2.77%) Tomcat
7 52 (2.57%) JBoss
8 50 (2.48%) Oracle SOA Suite
9 44 (2.18%) Cloud Foundry
10 40 (1.98%) WebLogic
11 36 (1.78%) WebSphere
12 35 (1.73%) CMS
13 32 (1.58%) Apache Spark
14 28 (1.39%) nginx
14 28 (1.39%) Oracle Service Bus
15 27 (1.34%) Anypoint
16 24 (1.19%) GeoServer
17 20 (0.99%) Adobe Experience Manager
17 20 (0.99%) OpenStack
18 19 (0.94%) BizTalk Server
Applications
1 29 (1.44%) Microsoft Excel
2 13 (0.64%) Photoshop
3 11 (0.54%) MS Visio
4 9 (0.45%) Chatbot
5 8 (0.40%) Microsoft Office
5 8 (0.40%) Sketch
6 7 (0.35%) Adobe Illustrator
7 4 (0.20%) GIMP
8 3 (0.15%) Adobe XD
8 3 (0.15%) Microsoft PowerPoint
9 1 (0.050%) Adobe Creative Suite
9 1 (0.050%) Figma
9 1 (0.050%) InVision
9 1 (0.050%) UXPin
Business Applications
1 33 (1.63%) Dynamics CRM
2 15 (0.74%) BusinessWorks
3 12 (0.59%) Dynamics AX
4 10 (0.50%) Payment Gateway
5 7 (0.35%) Distributed Ledger
5 7 (0.35%) Dynamics NAV
5 7 (0.35%) Oracle BPM
6 5 (0.25%) Workday HCM
7 4 (0.20%) SAP FI-CA
7 4 (0.20%) SAP PSCD
8 3 (0.15%) Adobe Campaign
8 3 (0.15%) Remedy ITSM
8 3 (0.15%) Revive Adserver
8 3 (0.15%) Salesforce.com CRM
9 2 (0.099%) Oracle EBS
10 1 (0.050%) NetSuite
10 1 (0.050%) Oracle ERP
10 1 (0.050%) SAP ERP
10 1 (0.050%) StreamServe
10 1 (0.050%) WebTrends
Cloud Services
1 454 (22.48%) Microsoft Azure
2 305 (15.10%) Amazon AWS
3 147 (7.28%) GitHub
4 137 (6.78%) IaaS
5 131 (6.49%) PaaS
6 97 (4.80%) Serverless
7 92 (4.55%) SaaS
8 78 (3.86%) Amazon EC2
8 78 (3.86%) Amazon S3
9 67 (3.32%) Power Platform
10 66 (3.27%) Dynamics 365
11 51 (2.52%) Amazon CloudWatch
11 51 (2.52%) AWS Lambda
12 50 (2.48%) Amazon SQS
12 50 (2.48%) Office 365
13 47 (2.33%) AWS CloudFormation
14 43 (2.13%) Google Cloud Platform
15 42 (2.08%) Azure Active Directory
16 40 (1.98%) Azure Functions
16 40 (1.98%) Boomi
Communications & Networking
1 109 (5.40%) HTTP
2 35 (1.73%) Firewall
3 28 (1.39%) SSL
4 22 (1.09%) VPN
5 21 (1.04%) FTP
5 21 (1.04%) TCP/IP
6 16 (0.79%) DNS
7 14 (0.69%) LAN
8 13 (0.64%) SSH
9 12 (0.59%) BGP
9 12 (0.59%) Internet
9 12 (0.59%) Network Security
9 12 (0.59%) OSPF
9 12 (0.59%) WAN
10 9 (0.45%) HTTPS
11 8 (0.40%) VLAN
12 7 (0.35%) Reverse Proxy
13 6 (0.30%) Cisco ASA
13 6 (0.30%) Cisco Nexus
14 5 (0.25%) Wireshark
Database & Business Intelligence
1 333 (16.49%) SQL Server
2 194 (9.60%) NoSQL
3 193 (9.55%) Relational Database
4 161 (7.97%) MongoDB
5 133 (6.58%) MySQL
5 133 (6.58%) PostgreSQL
6 88 (4.36%) Big Data
7 75 (3.71%) Data Warehouse
8 63 (3.12%) Power BI
9 54 (2.67%) Amazon RDS
10 50 (2.48%) Apache Cassandra
11 49 (2.43%) RDBMS
12 47 (2.33%) SQL Server Integration Services
13 45 (2.23%) Oracle Database
14 43 (2.13%) Hadoop
15 38 (1.88%) Amazon DynamoDB
16 33 (1.63%) Data Lake
17 32 (1.58%) HBase
17 32 (1.58%) SQL Server Reporting Services
18 27 (1.34%) Azure SQL Database
Development Applications
1 512 (25.35%) Git (software)
2 461 (22.82%) Jenkins
3 292 (14.46%) JIRA
4 193 (9.55%) Maven
5 145 (7.18%) Visual Studio Team System
6 131 (6.49%) JUnit
7 122 (6.04%) Selenium
7 122 (6.04%) Team Foundation Server
7 122 (6.04%) Visual Studio
8 86 (4.26%) Sonatype Nexus
9 84 (4.16%) Subversion
10 80 (3.96%) Bitbucket
11 73 (3.61%) Cucumber
12 72 (3.56%) Eclipse
13 62 (3.07%) SoapUI
14 59 (2.92%) IntelliJ
15 56 (2.77%) TeamCity
16 48 (2.38%) JMeter
17 47 (2.33%) Gradle
17 47 (2.33%) Mockito
General
1 321 (15.89%) Finance
2 139 (6.88%) Banking
3 86 (4.26%) Marketing
4 60 (2.97%) Telecoms
5 52 (2.57%) Retail
6 50 (2.48%) Manufacturing
7 45 (2.23%) Electronics
8 31 (1.53%) Legal
9 28 (1.39%) Investment Banking
10 26 (1.29%) Law
11 24 (1.19%) Games
12 20 (0.99%) Front Office
13 18 (0.89%) Retail Banking
14 15 (0.74%) Financial Institution
14 15 (0.74%) Pharmaceutical
15 13 (0.64%) Publishing
16 12 (0.59%) French Language
17 9 (0.45%) Advertising
17 9 (0.45%) Back Office
18 7 (0.35%) Aerospace
Job Titles
1 1,151 (56.98%) Developer
2 279 (13.81%) Java Developer
3 224 (11.09%) Architect
4 130 (6.44%) DevOps Engineer
5 118 (5.84%) Senior Developer
6 113 (5.59%) .NET Developer
7 96 (4.75%) Full Stack Developer
8 94 (4.65%) Azure Engineer
9 87 (4.31%) C# Developer
10 85 (4.21%) Analyst
11 79 (3.91%) Technical Architect
12 75 (3.71%) Azure DevOps
13 71 (3.51%) Tester
14 70 (3.47%) Front End Developer (Client-Side Developer)
15 68 (3.37%) Azure DevOps Engineer
16 66 (3.27%) Consultant
16 66 (3.27%) React Developer
17 57 (2.82%) iOS Developer
18 56 (2.77%) Automation Tester
19 52 (2.57%) C# .NET Developer
Libraries, Frameworks & Software Standards
1 902 (44.65%) XML
2 683 (33.81%) REST
3 589 (29.16%) HTML
4 550 (27.23%) SOAP
5 527 (26.09%) Web Services
6 521 (25.79%) CSS
7 496 (24.55%) RESTful
8 413 (20.45%) .NET
9 349 (17.28%) Spring
10 287 (14.21%) AngularJS
11 263 (13.02%) HTML5
12 238 (11.78%) jQuery
13 209 (10.35%) Node.js
14 189 (9.36%) React
15 170 (8.42%) ASP.NET
16 152 (7.52%) .NET Framework
17 148 (7.33%) Ajax
18 143 (7.08%) CSS3
19 137 (6.78%) ASP.NET Web API
19 137 (6.78%) Spring Boot
Miscellaneous
1 161 (7.97%) Mobile App
2 113 (5.59%) User Experience
3 98 (4.85%) Analytical Skills
4 83 (4.11%) Enterprise Software
5 80 (3.96%) Greenfield Project
6 54 (2.67%) Linux Command Line
7 46 (2.28%) Data Structures
8 45 (2.23%) Self-Motivation
9 28 (1.39%) Replication
10 23 (1.14%) PKI
10 23 (1.14%) Virtual Team
11 21 (1.04%) Enterprise Cloud
12 17 (0.84%) Data Centre
13 16 (0.79%) Algorithms
14 14 (0.69%) Client/Server
14 14 (0.69%) DataPower
14 14 (0.69%) Management Information System
15 13 (0.64%) N-Tier
16 12 (0.59%) Cloud Native
17 11 (0.54%) Smart Meter
Operating Systems
1 343 (16.98%) Linux
2 169 (8.37%) Windows
3 115 (5.69%) Unix
4 109 (5.40%) Android
5 89 (4.41%) Apple iOS
6 34 (1.68%) Red Hat Enterprise Linux
7 29 (1.44%) Windows Server
8 16 (0.79%) Ubuntu
9 13 (0.64%) CentOS
10 8 (0.40%) Fedora
11 5 (0.25%) Windows Server 2012
12 3 (0.15%) AIX
12 3 (0.15%) Mac OS X
12 3 (0.15%) VMS
12 3 (0.15%) Windows 10
13 1 (0.050%) Debian
13 1 (0.050%) Mac OS
Processes & Methodologies
1 1,100 (54.46%) Agile Software Development
2 455 (22.52%) TDD
3 442 (21.88%) DevOps
4 405 (20.05%) Scrum
5 392 (19.41%) Microservices
6 353 (17.48%) Test Automation
7 313 (15.50%) Continuous Integration
8 222 (10.99%) MVC
9 216 (10.69%) BDD
10 189 (9.36%) SOA
11 166 (8.22%) Unit Testing
12 162 (8.02%) Kanban
13 143 (7.08%) Problem-Solving
13 143 (7.08%) Web Development
14 142 (7.03%) Analytics
15 138 (6.83%) Continuous Delivery
15 138 (6.83%) Migration
16 135 (6.68%) Data Modelling
17 130 (6.44%) Business Intelligence
18 127 (6.29%) Open Source
Programming Languages
1 797 (39.46%) Java
2 755 (37.38%) JavaScript
3 535 (26.49%) SQL
4 419 (20.74%) C#
5 284 (14.06%) Python
6 189 (9.36%) PowerShell
7 183 (9.06%) Java 8
8 106 (5.25%) Ruby
9 94 (4.65%) Scala
10 89 (4.41%) Bash Shell
11 77 (3.81%) Shell Script
12 75 (3.71%) T-SQL
13 74 (3.66%) PHP
14 72 (3.56%) TypeScript
15 60 (2.97%) PL/SQL
16 57 (2.82%) Groovy
17 51 (2.52%) XPath
18 48 (2.38%) Perl
19 43 (2.13%) Apple Swift
19 43 (2.13%) C++
Qualifications
1 195 (9.65%) Security Cleared
2 138 (6.83%) SC Cleared
3 123 (6.09%) Degree
4 43 (2.13%) BPSS Clearance
5 38 (1.88%) Computer Science Degree
6 30 (1.49%) DV Cleared
7 20 (0.99%) Master's Degree
8 14 (0.69%) Cisco Certification
8 14 (0.69%) CTC Cleared
8 14 (0.69%) ISTQB
9 13 (0.64%) DBS Check
10 12 (0.59%) ISEB
10 12 (0.59%) ISTQB Foundation Certification
11 9 (0.45%) AWS Certification
11 9 (0.45%) CISSP
12 8 (0.40%) PhD
13 7 (0.35%) CCIE
13 7 (0.35%) Microsoft Certification
13 7 (0.35%) Numerate Degree
14 6 (0.30%) CCNP
Quality Assurance & Compliance
1 85 (4.21%) QA
2 46 (2.28%) Data Quality
3 21 (1.04%) GDPR
4 6 (0.30%) PCI DSS
4 6 (0.30%) WCAG
5 5 (0.25%) HMG Security Policy Framework
6 4 (0.20%) HMG Infosec
6 4 (0.20%) ISO/IEC 27001
6 4 (0.20%) JSP 440
6 4 (0.20%) PMO
7 3 (0.15%) Disclosure Scotland
7 3 (0.15%) HL7
7 3 (0.15%) NIST
7 3 (0.15%) Sarbanes-Oxley
8 2 (0.099%) NCSC
8 2 (0.099%) PSD2
8 2 (0.099%) Solvency II
9 1 (0.050%) CESG Infosec
9 1 (0.050%) SEPA
9 1 (0.050%) SLA
System Software
1 262 (12.97%) Docker
2 82 (4.06%) Active Directory
3 25 (1.24%) Virtual Machines
4 19 (0.94%) HDFS
5 17 (0.84%) Apache ZooKeeper
6 12 (0.59%) VMware Infrastructure
7 4 (0.20%) Hyper-V
7 4 (0.20%) Postfix
8 3 (0.15%) Firmware
8 3 (0.15%) OpenAM
8 3 (0.15%) OpenDJ
8 3 (0.15%) VMware ESXi
8 3 (0.15%) VMware Workstation
8 3 (0.15%) vSphere
9 2 (0.099%) ISA Server
9 2 (0.099%) VirtualBox
9 2 (0.099%) XenApp
10 1 (0.050%) Apache Flume
10 1 (0.050%) Citrix Hypervisor
10 1 (0.050%) XenDesktop
Systems Management
1 121 (5.99%) Kubernetes
2 113 (5.59%) Ansible
3 65 (3.22%) Puppet
4 55 (2.72%) Terraform
5 51 (2.52%) Opscode Chef
6 22 (1.09%) Kibana
7 14 (0.69%) Hadoop YARN
8 12 (0.59%) Single Sign-On
9 11 (0.54%) Grafana
10 10 (0.50%) logstash
11 9 (0.45%) WMI
12 8 (0.40%) Prometheus
13 7 (0.35%) CloudHub
13 7 (0.35%) Control-M
14 5 (0.25%) Packer
14 5 (0.25%) Suricata
15 4 (0.20%) MOM
15 4 (0.20%) yum
16 3 (0.15%) Cisco Prime
16 3 (0.15%) Microsoft Intune
Vendors
1 273 (13.51%) Microsoft
2 265 (13.12%) Oracle
3 93 (4.60%) SAP
4 83 (4.11%) Google
5 75 (3.71%) MuleSoft
6 67 (3.32%) WSO2
7 55 (2.72%) Splunk
8 50 (2.48%) Salesforce.com
9 47 (2.33%) IBM
10 42 (2.08%) Adobe
10 42 (2.08%) Xamarin
11 40 (1.98%) Dell
12 39 (1.93%) Atlassian
13 31 (1.53%) Red Hat
14 30 (1.49%) TIBCO
15 27 (1.34%) AppDynamics
16 23 (1.14%) hybris
16 23 (1.14%) Tableau
17 21 (1.04%) Talend
18 19 (0.94%) ServiceNow