Period
to 22 January 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 22 January 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
22 Jan 2020
Same period 2019 Same period 2018
Rank 125 98 100
Rank change year-on-year -27 +2 -4
Contract jobs citing JSON 1,469 2,532 2,424
As % of all contract IT jobs advertised in the UK 2.02% 2.54% 2.43%
As % of the Libraries, Frameworks & Software Standards category 6.73% 7.44% 7.59%
Number of daily rates quoted 873 1,650 1,678
UK median daily rate £475 £475 £450
Median daily rate % change year-on-year - +5.56% +2.86%
10th Percentile £333 £350 £319
90th Percentile £618 £625 £603
UK excluding London median daily rate £450 £450 £448
% change year-on-year - +0.56% +8.48%
Number of hourly rates quoted 16 11 25
UK median hourly rate £41.93 £35.00 £41.50
Median hourly rate % change year-on-year +19.79% -15.66% +24.70%
10th Percentile £16.00 £21.25 £20.10
90th Percentile £53.51 £60.85 £63.75
UK excluding London median hourly rate £35.00 £35.00 £39.75
% change year-on-year - -11.95% +10.42%

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 21,838 34,051 31,939
As % of all contract IT jobs advertised in the UK 30.06% 34.17% 32.06%
Number of daily rates quoted 15,009 23,971 22,782
UK median daily rate £490 £478 £463
Median daily rate % change year-on-year +2.54% +3.32% +8.82%
10th Percentile £330 £325 £313
90th Percentile £650 £638 £625
UK excluding London median daily rate £440 £425 £400
% change year-on-year +3.53% +6.25% +1.27%
Number of hourly rates quoted 245 297 332
UK median hourly rate £42.50 £41.50 £40.00
Median hourly rate % change year-on-year +2.41% +3.75% -
10th Percentile £18.77 £18.10 £18.00
90th Percentile £78.75 £60.00 £52.50
UK excluding London median hourly rate £42.00 £41.52 £40.00
% change year-on-year +1.17% +3.79% +4.58%

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 22 January 2020.

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 22 January 2020.

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 22 January 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 -34 1,278 £475 -4.04% 502
UK excluding London -35 766 £450 - 400
London -20 633 £500 -2.44% 149
South East -53 210 £450 -3.23% 100
North of England -9 159 £450 +5.88% 104
Midlands -4 132 £456 +1.39% 58
Scotland +20 116 £450 +2.27% 25
West Midlands +2 99 £475 +1.88% 22
South West -52 83 £425 -10.53% 48
Yorkshire +25 69 £520 +28.40% 26
North West -52 47 £431 +1.47% 63
North East +36 43 £411 -17.75% 15
East of England -14 43 £450 -14.29% 42
East Midlands +10 32 £350 -15.15% 36
Wales +12 14 £450 +12.50% 19
Northern Ireland +12 9 £413 - 4
Channel Islands -8 1 - -

For the 6 months to 22 January 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.

1 704 (47.92%) Agile Software Development
2 686 (46.70%) XML
3 534 (36.35%) REST
4 532 (36.22%) JavaScript
5 512 (34.85%) Java
6 463 (31.52%) SQL
7 433 (29.48%) HTML
8 428 (29.14%) CSS
9 412 (28.05%) Git (software)
10 327 (22.26%) Azure
10 327 (22.26%) Web Services
11 311 (21.17%) DevOps
12 302 (20.56%) RESTful
13 299 (20.35%) Jenkins
14 294 (20.01%) Test Automation
15 276 (18.79%) SOAP
16 272 (18.52%) SQL Server
17 270 (18.38%) Microservices
18 268 (18.24%) .NET
19 263 (17.90%) C#
19 263 (17.90%) Continuous Integration
20 250 (17.02%) AngularJS
21 248 (16.88%) Linux
22 245 (16.68%) JIRA
23 234 (15.93%) TDD
24 230 (15.66%) Node.js
25 221 (15.04%) Scrum
26 220 (14.98%) Spring
27 219 (14.91%) Docker
28 217 (14.77%) Finance

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
1 134 (9.12%) Confluence
2 74 (5.04%) WebLogic
3 62 (4.22%) JBoss
4 57 (3.88%) Apache
5 44 (3.00%) SharePoint
6 41 (2.79%) Tomcat
7 34 (2.31%) MQSeries
8 33 (2.25%) WebSphere
9 31 (2.11%) Red Hat Fuse
10 30 (2.04%) IIS
11 29 (1.97%) Oracle SOA Suite
12 24 (1.63%) CMS
13 18 (1.23%) nginx
14 17 (1.16%) Apache Spark
15 16 (1.09%) Elasticsearch
15 16 (1.09%) Mule
16 15 (1.02%) Cloud Foundry
17 10 (0.68%) Umbraco
18 9 (0.61%) BizTalk Server
18 9 (0.61%) Drupal
Applications
1 12 (0.82%) Photoshop
2 11 (0.75%) GIMP
3 9 (0.61%) Chatbot
3 9 (0.61%) Microsoft Excel
4 3 (0.20%) Microsoft Office
4 3 (0.20%) MS Visio
5 2 (0.14%) Sketch
6 1 (0.068%) InVision
6 1 (0.068%) UXPin
Business Applications
1 12 (0.82%) Dynamics CRM
2 10 (0.68%) Remedy ITSM
2 10 (0.68%) Sparx Enterprise Architect
3 8 (0.54%) BusinessWorks
3 8 (0.54%) NetSuite
4 4 (0.27%) Magento
5 3 (0.20%) Oracle BPM
5 3 (0.20%) SAP FI-CA
5 3 (0.20%) SAP PSCD
6 2 (0.14%) Oracle Applications
6 2 (0.14%) SAP ERP
6 2 (0.14%) Shopify
7 1 (0.068%) Adobe Campaign
7 1 (0.068%) Distributed Ledger
7 1 (0.068%) Oracle EBS
7 1 (0.068%) Oracle ERP
7 1 (0.068%) Oracle Financials
7 1 (0.068%) Oracle Retail
7 1 (0.068%) SAP CAR
7 1 (0.068%) WebTrends
Cloud Services
1 327 (22.26%) Azure
2 209 (14.23%) AWS
3 137 (9.33%) GitHub
4 70 (4.77%) Azure Active Directory
5 65 (4.42%) Power Platform
6 62 (4.22%) PaaS
7 58 (3.95%) Serverless
8 55 (3.74%) GCP
8 55 (3.74%) SaaS
9 54 (3.68%) IaaS
10 53 (3.61%) Google Analytics
11 30 (2.04%) AWS Lambda
11 30 (2.04%) npm
12 29 (1.97%) Office 365
13 24 (1.63%) Boomi
13 24 (1.63%) Slack
14 23 (1.57%) Amazon S3
14 23 (1.57%) AWS CloudFormation
15 22 (1.50%) Azure Functions
16 21 (1.43%) OpenShift
Communications & Networking
1 153 (10.42%) HTTP
2 55 (3.74%) SSL
3 40 (2.72%) TCP/IP
4 32 (2.18%) VPN
5 27 (1.84%) DNS
6 21 (1.43%) HTTPS
7 20 (1.36%) DSL
7 20 (1.36%) SSH
8 19 (1.29%) Internet
9 11 (0.75%) Firewall
9 11 (0.75%) Intranet
10 6 (0.41%) BGP
10 6 (0.41%) Cisco ASA
10 6 (0.41%) FTP
10 6 (0.41%) Network Security
10 6 (0.41%) OSPF
10 6 (0.41%) Unified Communications
10 6 (0.41%) VoIP
11 5 (0.34%) SNMP
11 5 (0.34%) Wireshark
Database & Business Intelligence
1 272 (18.52%) SQL Server
2 143 (9.73%) NoSQL
3 142 (9.67%) Relational Database
4 116 (7.90%) MySQL
5 111 (7.56%) MongoDB
6 76 (5.17%) PostgreSQL
7 60 (4.08%) Big Data
7 60 (4.08%) Data Warehouse
8 53 (3.61%) Power BI
9 52 (3.54%) SQL Server Integration Services
10 42 (2.86%) Azure SQL Database
11 29 (1.97%) SQL Server Reporting Services
12 27 (1.84%) Cosmos DB
13 26 (1.77%) RDBMS
14 25 (1.70%) Hadoop
15 22 (1.50%) Data Lake
16 19 (1.29%) Apache Cassandra
16 19 (1.29%) Oracle Database
17 17 (1.16%) Amazon DynamoDB
17 17 (1.16%) DB2
Development Applications
1 412 (28.05%) Git (software)
2 299 (20.35%) Jenkins
3 245 (16.68%) JIRA
4 155 (10.55%) Selenium
5 118 (8.03%) Cucumber
6 114 (7.76%) JUnit
7 99 (6.74%) Maven
8 61 (4.15%) Postman
9 57 (3.88%) gulp
10 53 (3.61%) Gradle
11 50 (3.40%) Visual Studio
12 48 (3.27%) Team Foundation Server
13 45 (3.06%) Mockito
14 43 (2.93%) SoapUI
15 41 (2.79%) IntelliJ
16 40 (2.72%) Subversion
17 37 (2.52%) Sonatype Nexus
17 37 (2.52%) Visual Studio Team System
18 36 (2.45%) Ant
18 36 (2.45%) Eclipse
General
1 217 (14.77%) Finance
2 112 (7.62%) Public Sector
3 73 (4.97%) Banking
4 39 (2.65%) Marketing
5 31 (2.11%) Retail
6 25 (1.70%) Telecoms
7 24 (1.63%) Back Office
8 20 (1.36%) Games
9 15 (1.02%) Manufacturing
10 14 (0.95%) Financial Institution
10 14 (0.95%) Law
11 11 (0.75%) Electronics
12 9 (0.61%) Legal
13 8 (0.54%) Publishing
14 7 (0.48%) Multimedia
15 5 (0.34%) Automotive
15 5 (0.34%) Local Government
15 5 (0.34%) Retail Banking
16 4 (0.27%) Advertising
16 4 (0.27%) Front Office
Job Titles
1 886 (60.31%) Developer
2 163 (11.10%) Java Developer
3 123 (8.37%) Architect
4 89 (6.06%) Senior Developer
5 88 (5.99%) Analyst
6 86 (5.85%) Front End Developer (Client-Side Developer)
7 81 (5.51%) .NET Developer
8 63 (4.29%) C# Developer
9 59 (4.02%) DevOps Engineer
10 57 (3.88%) Scala Developer
11 51 (3.47%) Consultant
12 50 (3.40%) React Developer
13 49 (3.34%) Tester
14 47 (3.20%) Software Developer
15 44 (3.00%) Cloud Engineer
16 42 (2.86%) Azure Engineer
17 41 (2.79%) Node.js Developer
17 41 (2.79%) Solutions Architect
17 41 (2.79%) SQL Developer
18 39 (2.65%) UI Developer
Libraries, Frameworks & Software Standards
1 686 (46.70%) XML
2 534 (36.35%) REST
3 433 (29.48%) HTML
4 428 (29.14%) CSS
5 327 (22.26%) Web Services
6 302 (20.56%) RESTful
7 276 (18.79%) SOAP
8 268 (18.24%) .NET
9 250 (17.02%) AngularJS
10 230 (15.66%) Node.js
11 220 (14.98%) Spring
12 202 (13.75%) HTML5
13 154 (10.48%) React
14 131 (8.92%) CSS3
15 108 (7.35%) jQuery
16 100 (6.81%) Ajax
17 95 (6.47%) Hibernate
18 89 (6.06%) .NET Framework
19 87 (5.92%) Sass
20 85 (5.79%) Play Framework
Miscellaneous
1 130 (8.85%) Analytical Skills
2 101 (6.88%) User Experience
3 83 (5.65%) Mobile App
4 57 (3.88%) Enterprise Software
5 37 (2.52%) Linux Command Line
6 33 (2.25%) Greenfield Project
7 31 (2.11%) PKI
8 30 (2.04%) Virtual Team
9 27 (1.84%) Client/Server
9 27 (1.84%) Self-Motivation
10 26 (1.77%) Data Structures
11 18 (1.23%) Management Information System
12 16 (1.09%) Data Centre
13 14 (0.95%) CMDB
14 13 (0.88%) Cyberthreat
14 13 (0.88%) Enterprise Cloud
15 11 (0.75%) Mobile Banking
16 9 (0.61%) Public Cloud
17 8 (0.54%) IVR
17 8 (0.54%) Reference Data
Operating Systems
1 248 (16.88%) Linux
2 151 (10.28%) Windows
3 102 (6.94%) Unix
4 74 (5.04%) Android
5 69 (4.70%) Apple iOS
6 39 (2.65%) Red Hat Enterprise Linux
7 18 (1.23%) Ubuntu
8 17 (1.16%) Mac OS
9 14 (0.95%) CentOS
10 7 (0.48%) Windows Server
11 4 (0.27%) Mac OS X
11 4 (0.27%) Windows 10
11 4 (0.27%) Windows 7
11 4 (0.27%) Windows 8
11 4 (0.27%) Windows Server 2008
12 3 (0.20%) Mac OS X Server
13 2 (0.14%) Debian
13 2 (0.14%) HPUX
13 2 (0.14%) Solaris
13 2 (0.14%) Windows Server 2012
Processes & Methodologies
1 704 (47.92%) Agile Software Development
2 311 (21.17%) DevOps
3 294 (20.01%) Test Automation
4 270 (18.38%) Microservices
5 263 (17.90%) Continuous Integration
6 234 (15.93%) TDD
7 221 (15.04%) Scrum
8 174 (11.84%) Problem-Solving
9 152 (10.35%) BDD
10 146 (9.94%) MVC
11 137 (9.33%) Web Development
12 117 (7.96%) Analytics
13 102 (6.94%) Front End Development
14 99 (6.74%) Open Source
14 99 (6.74%) SOA
15 87 (5.92%) Kanban
15 87 (5.92%) SDLC
16 83 (5.65%) Unit Testing
17 82 (5.58%) ETL
18 77 (5.24%) OO
Programming Languages
1 532 (36.22%) JavaScript
2 512 (34.85%) Java
3 463 (31.52%) SQL
4 263 (17.90%) C#
5 215 (14.64%) Python
6 133 (9.05%) PowerShell
7 117 (7.96%) Scala
8 102 (6.94%) Ruby
8 102 (6.94%) T-SQL
9 100 (6.81%) Bash Shell
10 96 (6.54%) Java 8
11 82 (5.58%) PL/SQL
12 63 (4.29%) Perl
13 61 (4.15%) TypeScript
14 56 (3.81%) Groovy
15 48 (3.27%) Shell Script
16 46 (3.13%) PHP
17 38 (2.59%) Kotlin
18 32 (2.18%) ES6
19 26 (1.77%) Apple Swift
Qualifications
1 180 (12.25%) Security Cleared
2 124 (8.44%) SC Cleared
3 81 (5.51%) Degree
4 40 (2.72%) Computer Science Degree
5 23 (1.57%) AWS Certification
6 18 (1.23%) BPSS Clearance
7 16 (1.09%) DV Cleared
8 10 (0.68%) RHCE
9 9 (0.61%) CISSP
10 8 (0.54%) CISA
10 8 (0.54%) CISM
10 8 (0.54%) CISMP
10 8 (0.54%) ISO 27001 Lead Implementer
10 8 (0.54%) ISSMP
10 8 (0.54%) ISTQB
11 7 (0.48%) ISEB
12 5 (0.34%) Microsoft Certification
13 4 (0.27%) Cisco Certification
13 4 (0.27%) JNCIP
13 4 (0.27%) PhD
Quality Assurance & Compliance
1 88 (5.99%) QA
2 28 (1.91%) WCAG
3 18 (1.23%) ISO/IEC 27001
4 15 (1.02%) PCI DSS
5 13 (0.88%) MiFID
6 11 (0.75%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
6 11 (0.75%) NIST
7 8 (0.54%) Data Quality
8 6 (0.41%) GDPR
9 5 (0.34%) Disclosure Scotland
9 5 (0.34%) SLA
10 4 (0.27%) PMO
11 3 (0.20%) RMADS
11 3 (0.20%) Sarbanes-Oxley
11 3 (0.20%) SEPA
12 2 (0.14%) GxP
12 2 (0.14%) HL7
12 2 (0.14%) IFRS
13 1 (0.068%) HMG Infosec
13 1 (0.068%) HMG Security Policy Framework
System Software
1 219 (14.91%) Docker
2 83 (5.65%) Active Directory
3 11 (0.75%) HDFS
4 10 (0.68%) VMware Infrastructure
5 8 (0.54%) Virtual Machines
6 7 (0.48%) LXC
7 6 (0.41%) Hyper-V
8 3 (0.20%) Apache ZooKeeper
8 3 (0.20%) NDS
8 3 (0.20%) NetIQ eDirectory
9 1 (0.068%) GridGain
9 1 (0.068%) Oracle Clusterware
9 1 (0.068%) Oracle RAC
9 1 (0.068%) VirtualBox
9 1 (0.068%) VMware ESXi
Systems Management
1 66 (4.49%) Kubernetes
2 57 (3.88%) Kibana
3 55 (3.74%) Terraform
4 39 (2.65%) Puppet
5 36 (2.45%) Ansible
6 34 (2.31%) Grafana
7 29 (1.97%) Opscode Chef
8 24 (1.63%) Suricata
9 16 (1.09%) logstash
10 11 (0.75%) Single Sign-On
11 10 (0.68%) Jamf Pro
12 8 (0.54%) Control-M
12 8 (0.54%) Norton AntiVirus
12 8 (0.54%) Symantec Endpoint Protection
13 7 (0.48%) Istio
13 7 (0.48%) MIIS
14 6 (0.41%) HP Quality Center
15 5 (0.34%) Docker Swarm
15 5 (0.34%) WMI
16 2 (0.14%) Salt
Vendors
1 173 (11.78%) Microsoft
2 163 (11.10%) Oracle
3 135 (9.19%) Google
4 67 (4.56%) Splunk
5 58 (3.95%) Red Hat
6 43 (2.93%) MuleSoft
7 37 (2.52%) Adobe
8 30 (2.04%) SAP
8 30 (2.04%) ServiceNow
9 28 (1.91%) IBM
10 27 (1.84%) Tableau
11 26 (1.77%) Sybase
12 25 (1.70%) Axway
12 25 (1.70%) Qualys
12 25 (1.70%) webMethods
13 24 (1.63%) Apple
13 24 (1.63%) Dell
14 22 (1.50%) Salesforce.com
15 18 (1.23%) TIBCO
16 17 (1.16%) Xamarin