Period
to 21 January 2019

The following table provides summary statistics for contract job vacancies advertised in the UK excluding London 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 21 January 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 > UK excluding London
6 months to
21 Jan 2019
Same period 2018 Same period 2017
Rank 92 92 96
Rank change year-on-year 0 +4 +74
Contract jobs citing JSON 1,398 1,250 1,250
As % of all contract IT jobs advertised in the UK excluding London 2.66% 2.45% 2.39%
As % of the Libraries, Frameworks & Software Standards category 8.69% 8.67% 8.35%
Number of daily rates quoted 853 792 786
UK excluding London median daily rate £450 £446 £413
Median daily rate % change year-on-year +0.84% +8.18% +6.45%
10th Percentile £331 £313 £306
90th Percentile £600 £575 £525
UK median daily rate £475 £450 £438
% change year-on-year +5.56% +2.86% +9.38%
Number of hourly rates quoted 9 24 16
UK excluding London median hourly rate £35.00 £39.75 £36.00
Median hourly rate % change year-on-year -11.95% +10.42% +1.21%
10th Percentile £19.81 £19.70 £15.40
90th Percentile £62.18 £63.75 £49.13
UK median hourly rate £35.00 £41.50 £33.28
% change year-on-year -15.66% +24.70% +4.00%

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 the UK excluding London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK excluding London
Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 16,093 14,421 14,974
As % of all contract IT jobs advertised in the UK excluding London 30.64% 28.27% 28.59%
Number of daily rates quoted 10,568 9,381 9,603
UK excluding London median daily rate £425 £400 £395
Median daily rate % change year-on-year +6.25% +1.27% +5.33%
10th Percentile £313 £283 £275
90th Percentile £575 £550 £538
UK median daily rate £476 £460 £425
% change year-on-year +3.48% +8.24% +3.03%
Number of hourly rates quoted 204 222 259
UK excluding London median hourly rate £41.53 £40.00 £38.00
Median hourly rate % change year-on-year +3.83% +5.26% +1.33%
10th Percentile £15.84 £16.29 £14.95
90th Percentile £60.18 £52.50 £50.00
UK median hourly rate £41.53 £40.00 £40.00
% change year-on-year +3.83% - +6.67%

JSON
Job Vacancy Trend in the UK excluding London

Job postings citing JSON as a percentage of all IT jobs advertised in the UK excluding London.

Job vacancy trend for JSON in the UK excluding London

JSON
Contractor Daily Rate Trend in the UK excluding London

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

Contractor daily rate trend for JSON in the UK excluding London

JSON
Contractor Daily Rate Histogram in the UK excluding London

The daily rate distribution of IT jobs citing JSON in the UK excluding London over the 6 months to 21 January 2019.

Contractor daily rate histogram for JSON in the UK excluding London

JSON
Contractor Hourly Rate Trend in the UK excluding London

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

Contractor hourly rate trend for JSON in the UK excluding London

JSON
Contractor Hourly Rate Histogram in the UK excluding London

The hourly rate distribution of IT jobs citing JSON in the UK excluding London over the 6 months to 21 January 2019.

Contractor hourly rate histogram for JSON in the UK excluding London

JSON
Contract Job Locations in the UK excluding London

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 excluding London region over the 6 months to 21 January 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
South East +31 539 £465 -2.11% 118
North of England -15 237 £425 - 130
Midlands +16 211 £450 +5.88% 66
South West +14 168 £475 +25.00% 72
West Midlands +21 152 £465 +3.33% 22
North West -8 132 £425 +6.25% 71
Scotland +19 122 £433 +8.13% 27
East of England -43 104 £525 +2.44% 40
Yorkshire +10 82 £405 -10.00% 44
East Midlands -14 55 £413 - 44
Wales -3 28 £400 -8.57% 17
North East -32 23 £500 +17.65% 15
Channel Islands -1 2 - -
Northern Ireland -8 2 - - 5
South Coast - 2 - -
JSON
UK

For the 6 months to 21 January 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 UK excluding London region with a requirement for JSON.

1 795 (56.87%) Agile Software Development
2 671 (48.00%) XML
3 660 (47.21%) Java
4 556 (39.77%) REST
5 444 (31.76%) Git (software)
6 436 (31.19%) JavaScript
7 406 (29.04%) SOAP
8 399 (28.54%) Web Services
9 365 (26.11%) TDD
10 364 (26.04%) HTML
11 346 (24.75%) RESTful
12 344 (24.61%) SQL
13 342 (24.46%) Linux
14 330 (23.61%) C#
14 330 (23.61%) Jenkins
15 302 (21.60%) Test Automation
16 299 (21.39%) Spring
17 296 (21.17%) CSS
18 294 (21.03%) Microsoft Azure
19 284 (20.31%) Continuous Integration
20 280 (20.03%) DevOps
21 268 (19.17%) .NET
22 266 (19.03%) Scrum
23 250 (17.88%) Microservices
24 226 (16.17%) HTML5
25 219 (15.67%) AngularJS
26 210 (15.02%) MVC
27 202 (14.45%) Microsoft
28 190 (13.59%) SQL Server
29 189 (13.52%) BDD

JSON
Co-occurring IT Skills in the UK excluding London 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
1 112 (8.01%) Confluence
2 108 (7.73%) Apache
3 72 (5.15%) JBoss
4 58 (4.15%) Elasticsearch
5 56 (4.01%) Tomcat
6 55 (3.93%) WebLogic
7 48 (3.43%) CMS
7 48 (3.43%) Mule
8 46 (3.29%) nginx
9 36 (2.58%) Oracle SOA Suite
10 32 (2.29%) Apache Spark
11 23 (1.65%) Apache Solr
12 22 (1.57%) Oracle Service Bus
13 19 (1.36%) WebSphere
14 18 (1.29%) Adobe Experience Manager
15 16 (1.14%) Cloud Foundry
16 11 (0.79%) WordPress
17 10 (0.72%) Drupal
17 10 (0.72%) NServiceBus
17 10 (0.72%) Skype for Business
Applications
1 10 (0.72%) Chatbot
1 10 (0.72%) Microsoft Excel
2 7 (0.50%) Photoshop
3 3 (0.21%) Microsoft Office
3 3 (0.21%) MS Visio
4 2 (0.14%) Microsoft PowerPoint
4 2 (0.14%) Microsoft Project
5 1 (0.072%) Adobe Illustrator
Business Applications
1 17 (1.22%) Dynamics CRM
2 6 (0.43%) Oracle BPM
3 5 (0.36%) SAP FI-CA
3 5 (0.36%) SAP PSCD
4 3 (0.21%) Magento
4 3 (0.21%) Payment Gateway
4 3 (0.21%) SAP Hybris
4 3 (0.21%) Workday HCM
5 2 (0.14%) BusinessWorks
5 2 (0.14%) OpenCart
5 2 (0.14%) Salesforce.com CRM
5 2 (0.14%) TIBCO iProcess
6 1 (0.072%) Distributed Ledger
6 1 (0.072%) Eloqua
6 1 (0.072%) SAP PM
6 1 (0.072%) Sonata
Cloud Services
1 294 (21.03%) Microsoft Azure
2 151 (10.80%) Amazon AWS
3 112 (8.01%) GitHub
4 110 (7.87%) PaaS
5 97 (6.94%) IaaS
6 86 (6.15%) SaaS
7 57 (4.08%) Serverless
8 56 (4.01%) npm
9 47 (3.36%) Amazon EC2
10 43 (3.08%) Amazon S3
11 40 (2.86%) Boomi
12 37 (2.65%) Google Analytics
13 28 (2.00%) AWS Lambda
14 22 (1.57%) Azure Functions
15 21 (1.50%) Azure Active Directory
15 21 (1.50%) Azure Data Factory
16 20 (1.43%) Dynamics 365
17 19 (1.36%) Amazon SQS
18 18 (1.29%) Apigee
18 18 (1.29%) OpenShift
Communications & Networking
1 164 (11.73%) HTTP
2 71 (5.08%) SSL
3 50 (3.58%) TCP/IP
4 29 (2.07%) VPN
5 22 (1.57%) DNS
5 22 (1.57%) Firewall
6 15 (1.07%) Reverse Proxy
7 11 (0.79%) DHCP
7 11 (0.79%) Skype
8 10 (0.72%) Internet
9 9 (0.64%) Bluetooth
9 9 (0.64%) SSH
10 7 (0.50%) DSL
10 7 (0.50%) FTP
10 7 (0.50%) VoIP
10 7 (0.50%) WAN
10 7 (0.50%) Wi-Fi
11 6 (0.43%) Broadband
11 6 (0.43%) HTTPS
11 6 (0.43%) IPv4
Database & Business Intelligence
1 190 (13.59%) SQL Server
2 126 (9.01%) NoSQL
3 114 (8.15%) Relational Database
4 105 (7.51%) MongoDB
5 102 (7.30%) MySQL
6 82 (5.87%) Big Data
7 75 (5.36%) Hadoop
8 52 (3.72%) PostgreSQL
9 41 (2.93%) SQL Server Integration Services
10 38 (2.72%) HBase
11 35 (2.50%) Parquet
11 35 (2.50%) SQLite
12 29 (2.07%) RDBMS
13 26 (1.86%) SQL Server Reporting Services
14 23 (1.65%) Data Warehouse
14 23 (1.65%) SQL Server 2016
15 21 (1.50%) Amazon DynamoDB
15 21 (1.50%) Apache Cassandra
16 17 (1.22%) Redis
17 15 (1.07%) Oracle Database
Development Applications
1 444 (31.76%) Git (software)
2 330 (23.61%) Jenkins
3 181 (12.95%) JIRA
4 151 (10.80%) JUnit
5 127 (9.08%) Maven
5 127 (9.08%) Selenium
6 124 (8.87%) Subversion
7 107 (7.65%) Cucumber
8 92 (6.58%) Eclipse
9 90 (6.44%) Visual Studio
10 88 (6.29%) IntelliJ
11 74 (5.29%) Team Foundation Server
12 70 (5.01%) Gradle
13 64 (4.58%) Visual Studio Team System
14 61 (4.36%) Ant
15 55 (3.93%) Xcode
16 46 (3.29%) SoapUI
17 45 (3.22%) gulp
18 43 (3.08%) Gatling
19 40 (2.86%) Bitbucket
General
1 176 (12.59%) Finance
2 93 (6.65%) Banking
3 55 (3.93%) Marketing
4 47 (3.36%) Manufacturing
5 46 (3.29%) Telecoms
6 42 (3.00%) Electronics
7 17 (1.22%) Games
7 17 (1.22%) Retail
8 10 (0.72%) Publishing
9 9 (0.64%) Law
10 8 (0.57%) Back Office
11 6 (0.43%) Advertising
11 6 (0.43%) Legal
12 5 (0.36%) Investment Banking
12 5 (0.36%) Pharmaceutical
13 3 (0.21%) Automotive
13 3 (0.21%) Billing
13 3 (0.21%) Military
14 2 (0.14%) Aerospace
14 2 (0.14%) Financial Institution
Job Titles
1 913 (65.31%) Developer
2 243 (17.38%) Java Developer
3 175 (12.52%) Architect
4 98 (7.01%) .NET Developer
5 76 (5.44%) Senior Developer
6 74 (5.29%) Scala Developer
7 72 (5.15%) iOS Developer
8 65 (4.65%) C# Developer
9 58 (4.15%) Agile Developer
10 54 (3.86%) Solutions Architect
11 47 (3.36%) Senior Java Developer
12 46 (3.29%) Azure Engineer
12 46 (3.29%) DevOps Engineer
13 44 (3.15%) Software Engineer
14 42 (3.00%) Android Developer
14 42 (3.00%) Tester
15 41 (2.93%) Front End Developer (Client-Side Developer)
16 40 (2.86%) React Developer
17 39 (2.79%) SQL Developer
18 37 (2.65%) Technical Architect
Libraries, Frameworks & Software Standards
1 671 (48.00%) XML
2 556 (39.77%) REST
3 406 (29.04%) SOAP
4 399 (28.54%) Web Services
5 364 (26.04%) HTML
6 346 (24.75%) RESTful
7 299 (21.39%) Spring
8 296 (21.17%) CSS
9 268 (19.17%) .NET
10 226 (16.17%) HTML5
11 219 (15.67%) AngularJS
12 168 (12.02%) jQuery
13 159 (11.37%) Node.js
14 140 (10.01%) J2EE
15 109 (7.80%) Middleware
16 108 (7.73%) React
17 106 (7.58%) CSS3
18 96 (6.87%) Play Framework
19 94 (6.72%) Ajax
20 86 (6.15%) ASP.NET
Miscellaneous
1 106 (7.58%) Mobile App
2 101 (7.22%) Greenfield Project
3 97 (6.94%) Analytical Skills
4 65 (4.65%) User Experience
5 58 (4.15%) Enterprise Software
6 49 (3.51%) Self-Motivation
7 40 (2.86%) Linux Command Line
8 39 (2.79%) Virtual Team
9 24 (1.72%) Mobile Banking
10 22 (1.57%) iPhone
10 22 (1.57%) Management Information System
10 22 (1.57%) Public Cloud
11 20 (1.43%) Reference Data
12 19 (1.36%) Data Structures
13 13 (0.93%) PKI
14 12 (0.86%) Hybrid Cloud
15 11 (0.79%) DataPower
16 7 (0.50%) Client/Server
17 6 (0.43%) Media Streaming
17 6 (0.43%) Smartphone
Operating Systems
1 342 (24.46%) Linux
2 151 (10.80%) Unix
3 145 (10.37%) Windows
4 122 (8.73%) Apple iOS
5 110 (7.87%) Android
6 37 (2.65%) Ubuntu
7 28 (2.00%) Red Hat Enterprise Linux
8 18 (1.29%) CentOS
9 17 (1.22%) Windows Server
10 11 (0.79%) Mac OS X
11 7 (0.50%) Windows 7
11 7 (0.50%) Windows 8
12 6 (0.43%) Embedded Linux
13 5 (0.36%) AIX
14 4 (0.29%) Mac OS
14 4 (0.29%) Windows Mobile
14 4 (0.29%) Windows Server 2012
15 3 (0.21%) HPUX
15 3 (0.21%) Solaris
16 2 (0.14%) Debian
Processes & Methodologies
1 795 (56.87%) Agile Software Development
2 365 (26.11%) TDD
3 302 (21.60%) Test Automation
4 284 (20.31%) Continuous Integration
5 280 (20.03%) DevOps
6 266 (19.03%) Scrum
7 250 (17.88%) Microservices
8 210 (15.02%) MVC
9 189 (13.52%) BDD
10 166 (11.87%) Problem-Solving
11 163 (11.66%) Unit Testing
12 138 (9.87%) Open Source
13 131 (9.37%) Software Engineering
14 123 (8.80%) Configuration Management
15 121 (8.66%) SOA
16 101 (7.22%) OO
17 94 (6.72%) iOS Development
18 88 (6.29%) Analytics
19 87 (6.22%) Web Development
20 77 (5.51%) Responsive Web Design
Programming Languages
1 660 (47.21%) Java
2 436 (31.19%) JavaScript
3 344 (24.61%) SQL
4 330 (23.61%) C#
5 179 (12.80%) Python
6 143 (10.23%) Scala
7 123 (8.80%) PowerShell
8 102 (7.30%) Ruby
9 78 (5.58%) Apple Swift
10 73 (5.22%) Objective-C
11 72 (5.15%) Java 8
12 68 (4.86%) Groovy
12 68 (4.86%) PHP
13 59 (4.22%) T-SQL
14 55 (3.93%) Perl
15 53 (3.79%) C++
16 48 (3.43%) Shell Script
17 47 (3.36%) PL/SQL
18 41 (2.93%) C
19 37 (2.65%) XPath
Qualifications
1 92 (6.58%) Security Cleared
2 88 (6.29%) Degree
3 61 (4.36%) SC Cleared
4 57 (4.08%) BPSS Clearance
5 38 (2.72%) Computer Science Degree
6 31 (2.22%) DV Cleared
7 9 (0.64%) AWS Certification
8 8 (0.57%) Microsoft Certification
9 7 (0.50%) Master's Degree
10 5 (0.36%) ISTQB
10 5 (0.36%) Numerate Degree
11 2 (0.14%) DBS Check
11 2 (0.14%) OCA
11 2 (0.14%) OCAJ
11 2 (0.14%) Oracle Certification
11 2 (0.14%) Sun Certification
12 1 (0.072%) GIAC
12 1 (0.072%) ISEB
12 1 (0.072%) MCSE
12 1 (0.072%) TOGAF Certification
Quality Assurance & Compliance
1 30 (2.15%) QA
2 29 (2.07%) HMG Security Policy Framework
3 28 (2.00%) HMG Infosec
3 28 (2.00%) JSP 440
4 14 (1.00%) Data Quality
5 11 (0.79%) WCAG
6 6 (0.43%) GDPR
7 5 (0.36%) ISO 9001
8 4 (0.29%) Disclosure Scotland
8 4 (0.29%) TickIT
9 2 (0.14%) HL7
9 2 (0.14%) ISO/IEC 27001
9 2 (0.14%) PCI DSS
9 2 (0.14%) PMO
9 2 (0.14%) SLA
10 1 (0.072%) CESG Infosec
10 1 (0.072%) GMP
10 1 (0.072%) PSD2
10 1 (0.072%) SNOMED CT
System Software
1 174 (12.45%) Docker
2 44 (3.15%) Apache ZooKeeper
3 43 (3.08%) HDFS
4 22 (1.57%) Active Directory
5 8 (0.57%) Virtual Machines
6 6 (0.43%) Postfix
7 5 (0.36%) Hyper-V
7 5 (0.36%) VMware Infrastructure
8 2 (0.14%) Apache Flume
9 1 (0.072%) Microsoft App-V
9 1 (0.072%) OpenAM
9 1 (0.072%) OpenDJ
9 1 (0.072%) Terminal Server
Systems Management
1 70 (5.01%) Puppet
2 59 (4.22%) Ansible
3 45 (3.22%) Kibana
4 44 (3.15%) Hadoop YARN
4 44 (3.15%) Kubernetes
5 36 (2.58%) Terraform
6 34 (2.43%) Grafana
7 21 (1.50%) Opscode Chef
8 13 (0.93%) SCOrch
9 12 (0.86%) CloudForms
10 11 (0.79%) HockeyApp
11 8 (0.57%) logstash
12 7 (0.50%) Single Sign-On
13 6 (0.43%) Rundeck
14 5 (0.36%) SCCM
14 5 (0.36%) SCOM
15 4 (0.29%) CloudHub
15 4 (0.29%) Docker Swarm
15 4 (0.29%) Prometheus
15 4 (0.29%) Salt
Vendors
1 202 (14.45%) Microsoft
2 143 (10.23%) Oracle
3 132 (9.44%) Google
4 70 (5.01%) WSO2
5 61 (4.36%) SAP
6 50 (3.58%) Adobe
7 40 (2.86%) Apple
7 40 (2.86%) Dell
8 35 (2.50%) webMethods
9 31 (2.22%) Talend
10 25 (1.79%) Xamarin
11 22 (1.57%) MuleSoft
12 18 (1.29%) IBM
12 18 (1.29%) ServiceNow
13 16 (1.14%) Atlassian
14 15 (1.07%) Twitter
15 13 (0.93%) Informatica
16 12 (0.86%) Kony
17 9 (0.64%) hybris
17 9 (0.64%) TIBCO