Period
to 17 January 2018

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 17 January 2018 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
17 Jan 2018
Same period 2017 Same period 2016
Rank 94 93 148
Rank change year-on-year -1 +55 +13
Contract jobs citing JSON 2,277 2,278 1,620
As % of all contract IT jobs advertised in England 2.46% 2.52% 1.66%
As % of the Libraries, Frameworks & Software Standards category 7.64% 8.06% 5.71%
Number of daily rates quoted 1,603 1,571 1,203
England median daily rate £470 £438 £413
Median daily rate % change year-on-year +7.43% +6.06% +5.43%
10th Percentile £318 £313 £294
90th Percentile £602 £575 £550
UK median daily rate £460 £438 £400
% change year-on-year +5.14% +9.38% +2.56%
Number of hourly rates quoted 26 20 13
England median hourly rate £42.00 £33.28 £32.00
Median hourly rate % change year-on-year +26.20% +4.00% -14.67%
10th Percentile £20.50 £18.08 £20.65
90th Percentile £63.75 £48.83 £57.50
UK median hourly rate £42.00 £33.28 £32.00
% change year-on-year +26.20% +4.00% -14.67%

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 29,813 28,271 28,386
As % of all contract IT jobs advertised in England 32.27% 31.26% 29.12%
Number of daily rates quoted 21,462 19,638 19,764
England median daily rate £475 £425 £420
Median daily rate % change year-on-year +11.76% +1.19% +5.00%
10th Percentile £313 £300 £281
90th Percentile £625 £600 £588
UK median daily rate £463 £425 £413
% change year-on-year +8.82% +3.03% +3.13%
Number of hourly rates quoted 320 312 511
England median hourly rate £40.00 £40.00 £37.50
Median hourly rate % change year-on-year - +6.67% +7.14%
10th Percentile £18.50 £15.25 £15.04
90th Percentile £52.50 £51.25 £55.55
UK median hourly rate £40.00 £40.00 £37.50
% change year-on-year - +6.67% +7.14%

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 17 January 2018.

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 17 January 2018.

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 17 January 2018. 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 -6 1,132 £475 +0.53% 186
South East +12 400 £475 +11.76% 108
North of England -19 254 £425 - 118
East of England +33 213 £513 +46.43% 43
Midlands +14 172 £425 +1.19% 80
North West +2 139 £398 -4.22% 67
South West -10 104 £378 +2.03% 37
West Midlands +10 96 £445 +4.71% 39
East Midlands +5 75 £413 +3.13% 41
Yorkshire -42 60 £450 - 45
North East +11 52 £425 +9.68% 6
JSON
UK

For the 6 months to 17 January 2018, IT contractor jobs citing JSON also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the England region with a requirement for JSON.

1 1,331 (58.45%) Agile Software Development
2 1,187 (52.13%) Java
3 969 (42.56%) XML
4 856 (37.59%) JavaScript
5 836 (36.71%) REST
6 726 (31.88%) HTML
7 655 (28.77%) Web Services
8 651 (28.59%) Git (software)
9 650 (28.55%) TDD
10 637 (27.98%) CSS
11 587 (25.78%) RESTful
12 554 (24.33%) Scrum
13 551 (24.20%) SQL
14 524 (23.01%) SOAP
15 510 (22.40%) Spring
16 458 (20.11%) Finance
17 452 (19.85%) Linux
18 419 (18.40%) Jenkins
19 403 (17.70%) AngularJS
20 400 (17.57%) Test Automation
21 395 (17.35%) HTML5
22 390 (17.13%) C#
23 384 (16.86%) .NET
24 369 (16.21%) Node.js
25 362 (15.90%) Continuous Integration
26 339 (14.89%) SQL Server
27 336 (14.76%) DevOps
28 330 (14.49%) MVC
29 326 (14.32%) jQuery
30 310 (13.61%) Amazon AWS

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
1 159 (6.98%) Apache
2 131 (5.75%) Confluence
3 124 (5.45%) Tomcat
4 89 (3.91%) JBoss
5 86 (3.78%) Mule
5 86 (3.78%) Oracle SOA Suite
6 74 (3.25%) Apache Spark
7 62 (2.72%) Oracle Service Bus
8 52 (2.28%) Elasticsearch
9 45 (1.98%) CMS
10 41 (1.80%) WebLogic
11 37 (1.62%) Apache Solr
12 36 (1.58%) WebSphere
13 35 (1.54%) IIS
14 28 (1.23%) Cloud Foundry
15 24 (1.05%) SharePoint
16 18 (0.79%) GemFire
16 18 (0.79%) nginx
17 15 (0.66%) Adobe Experience Manager
18 13 (0.57%) BizTalk Server
Applications
1 27 (1.19%) Microsoft Excel
2 11 (0.48%) MS Visio
3 10 (0.44%) Pipeline Pilot
4 8 (0.35%) Adobe Illustrator
5 7 (0.31%) Photoshop
6 6 (0.26%) HipChat
7 4 (0.18%) Spreadsheet
8 3 (0.13%) Microsoft Office
9 2 (0.088%) InfoPath
10 1 (0.044%) Gephi
Business Applications
1 11 (0.48%) Magento
1 11 (0.48%) Payment Gateway
2 9 (0.40%) Dynamics CRM
3 4 (0.18%) Oracle BPM
3 4 (0.18%) Shopify
4 3 (0.13%) Social Studio
4 3 (0.13%) Summit
4 3 (0.13%) WebTrends
5 2 (0.088%) NetSuite
5 2 (0.088%) Remedy ITSM
5 2 (0.088%) SAP BPC
5 2 (0.088%) SAP HCM
6 1 (0.044%) BusinessWorks
6 1 (0.044%) Dynamics NAV
6 1 (0.044%) OpenText Process Suite
6 1 (0.044%) Oracle SCM
6 1 (0.044%) SAP CRM
Cloud Services
1 310 (13.61%) Amazon AWS
2 175 (7.69%) Microsoft Azure
3 127 (5.58%) GitHub
4 95 (4.17%) PaaS
5 73 (3.21%) IaaS
6 67 (2.94%) npm
7 59 (2.59%) Amazon EC2
7 59 (2.59%) SaaS
8 57 (2.50%) Serverless
9 42 (1.84%) Amazon S3
10 38 (1.67%) AWS Lambda
11 31 (1.36%) Virtual Private Cloud
12 29 (1.27%) AWS CloudFormation
13 28 (1.23%) Amazon ELB
14 22 (0.97%) Route 53
15 21 (0.92%) Google Cloud Platform
16 19 (0.83%) Cloud Computing
17 18 (0.79%) Azure Active Directory
17 18 (0.79%) OpenShift
18 17 (0.75%) Salesforce Service Cloud
Communications & Networking
1 149 (6.54%) HTTP
2 66 (2.90%) TCP/IP
3 63 (2.77%) Internet
4 56 (2.46%) DNS
5 53 (2.33%) SSL
6 45 (1.98%) Firewall
7 26 (1.14%) Bluetooth
8 22 (0.97%) VPN
9 20 (0.88%) Wi-Fi
10 17 (0.75%) FTP
11 11 (0.48%) Network Security
11 11 (0.48%) SMS
12 10 (0.44%) HTTPS
12 10 (0.44%) Intranet
12 10 (0.44%) LAN
12 10 (0.44%) WAN
13 9 (0.40%) Intrusion Detection
13 9 (0.40%) MPLS
13 9 (0.40%) SSH
14 8 (0.35%) DHCP
Database & Business Intelligence
1 339 (14.89%) SQL Server
2 230 (10.10%) Relational Database
3 199 (8.74%) MongoDB
4 196 (8.61%) NoSQL
5 183 (8.04%) Big Data
6 153 (6.72%) Hadoop
7 150 (6.59%) PostgreSQL
8 149 (6.54%) MySQL
9 102 (4.48%) HBase
10 94 (4.13%) RDBMS
11 83 (3.65%) Oracle Database
12 64 (2.81%) Redis
13 44 (1.93%) Apache Cassandra
14 31 (1.36%) Amazon RDS
15 30 (1.32%) Apache Hive
16 28 (1.23%) SQL Server Integration Services
17 22 (0.97%) Data Warehouse
17 22 (0.97%) Parquet
18 21 (0.92%) Power BI
18 21 (0.92%) SQL Server 2014
Development Applications
1 651 (28.59%) Git (software)
2 419 (18.40%) Jenkins
3 297 (13.04%) JIRA
4 234 (10.28%) JUnit
4 234 (10.28%) Maven
5 165 (7.25%) Subversion
6 160 (7.03%) Selenium
7 153 (6.72%) Cucumber
8 128 (5.62%) Eclipse
9 121 (5.31%) Gradle
10 112 (4.92%) Visual Studio
11 106 (4.66%) IntelliJ
12 86 (3.78%) TeamCity
13 79 (3.47%) Team Foundation Server
14 72 (3.16%) gulp
15 66 (2.90%) Grunt
16 63 (2.77%) SoapUI
17 61 (2.68%) webpack
18 59 (2.59%) Xcode
19 54 (2.37%) Android Studio
General
1 458 (20.11%) Finance
2 171 (7.51%) Banking
3 141 (6.19%) Marketing
4 130 (5.71%) Manufacturing
5 125 (5.49%) Telecoms
6 108 (4.74%) Electronics
7 61 (2.68%) Retail
8 40 (1.76%) Games
9 39 (1.71%) Legal
10 21 (0.92%) Law
11 18 (0.79%) Advertising
12 15 (0.66%) Back Office
12 15 (0.66%) Retail Banking
13 13 (0.57%) Front Office
13 13 (0.57%) Investment Banking
13 13 (0.57%) Publishing
14 10 (0.44%) Billing
15 9 (0.40%) Automotive
15 9 (0.40%) French Language
16 5 (0.22%) Music Industry
Job Titles
1 1,580 (69.39%) Developer
2 524 (23.01%) Java Developer
3 193 (8.48%) Senior Developer
4 186 (8.17%) Architect
5 164 (7.20%) JavaScript Developer
6 139 (6.10%) Full Stack Developer
7 136 (5.97%) .NET Developer
8 119 (5.23%) Front End Developer (Client-Side Developer)
9 111 (4.87%) Agile Developer
9 111 (4.87%) C# Developer
10 106 (4.66%) Android Developer
11 93 (4.08%) Scala Developer
12 85 (3.73%) Integration Developer
13 80 (3.51%) Angular Developer
13 80 (3.51%) DevOps Engineer
14 77 (3.38%) C# .NET Developer
14 77 (3.38%) SQL Developer
15 74 (3.25%) Analyst
16 73 (3.21%) Software Developer
17 64 (2.81%) Consultant
Libraries, Frameworks & Software Standards
1 969 (42.56%) XML
2 836 (36.71%) REST
3 726 (31.88%) HTML
4 655 (28.77%) Web Services
5 637 (27.98%) CSS
6 587 (25.78%) RESTful
7 524 (23.01%) SOAP
8 510 (22.40%) Spring
9 403 (17.70%) AngularJS
10 395 (17.35%) HTML5
11 384 (16.86%) .NET
12 369 (16.21%) Node.js
13 326 (14.32%) jQuery
14 280 (12.30%) CSS3
15 231 (10.14%) Ajax
16 211 (9.27%) J2EE
17 203 (8.92%) React
18 177 (7.77%) Middleware
19 168 (7.38%) Kafka
20 165 (7.25%) Hibernate
Miscellaneous
1 198 (8.70%) User Experience
2 161 (7.07%) Greenfield Project
3 136 (5.97%) Mobile App
4 100 (4.39%) Analytical Skills
5 78 (3.43%) Computer Science
6 64 (2.81%) Data Structures
7 50 (2.20%) Enterprise Software
8 49 (2.15%) Linux Command Line
9 38 (1.67%) Virtual Team
10 33 (1.45%) Video on Demand
11 26 (1.14%) Management Information System
12 23 (1.01%) Algorithms
13 22 (0.97%) Data Centre
13 22 (0.97%) Video\Live Streaming
14 21 (0.92%) Animation
15 20 (0.88%) Clustering
16 19 (0.83%) Cloud Native
16 19 (0.83%) Hybrid Cloud
16 19 (0.83%) PKI
16 19 (0.83%) Replication
Operating Systems
1 452 (19.85%) Linux
2 237 (10.41%) Unix
3 180 (7.91%) Android
4 168 (7.38%) Windows
5 113 (4.96%) Apple iOS
6 61 (2.68%) Red Hat Enterprise Linux
7 53 (2.33%) Windows Server
8 39 (1.71%) Mac OS X
9 26 (1.14%) Windows Server 2012
10 18 (0.79%) Solaris
11 12 (0.53%) Windows 7
12 11 (0.48%) HPUX
12 11 (0.48%) Windows 8
13 10 (0.44%) Ubuntu
14 8 (0.35%) CentOS
15 5 (0.22%) AIX
16 3 (0.13%) Windows Server 2008
17 2 (0.088%) Fedora
17 2 (0.088%) Windows 10
18 1 (0.044%) VMS
Processes & Methodologies
1 1,331 (58.45%) Agile Software Development
2 650 (28.55%) TDD
3 554 (24.33%) Scrum
4 400 (17.57%) Test Automation
5 362 (15.90%) Continuous Integration
6 336 (14.76%) DevOps
7 330 (14.49%) MVC
8 285 (12.52%) BDD
9 265 (11.64%) Microservices
10 235 (10.32%) OO
11 216 (9.49%) Open Source
12 212 (9.31%) SOA
12 212 (9.31%) Unit Testing
13 194 (8.52%) Web Development
14 192 (8.43%) Kanban
15 191 (8.39%) Front End Development
16 173 (7.60%) Business Intelligence
17 139 (6.10%) Continuous Delivery
18 136 (5.97%) Pair Programming
19 135 (5.93%) API Development
Programming Languages
1 1,187 (52.13%) Java
2 856 (37.59%) JavaScript
3 551 (24.20%) SQL
4 390 (17.13%) C#
5 243 (10.67%) Python
6 213 (9.35%) Scala
7 193 (8.48%) Ruby
8 119 (5.23%) Shell Script
9 102 (4.48%) XPath
10 91 (4.00%) ES6
11 89 (3.91%) PowerShell
12 88 (3.86%) PHP
13 81 (3.56%) Apple Swift
14 77 (3.38%) Groovy
15 70 (3.07%) Perl
15 70 (3.07%) TypeScript
16 68 (2.99%) PL/SQL
17 63 (2.77%) T-SQL
18 54 (2.37%) Bash Shell
19 51 (2.24%) C++
Qualifications
1 192 (8.43%) Security Cleared
2 146 (6.41%) Degree
3 132 (5.80%) SC Cleared
4 44 (1.93%) Computer Science Degree
5 33 (1.45%) DV Cleared
6 11 (0.48%) AWS Certification
6 11 (0.48%) Numerate Degree
7 10 (0.44%) PhD
8 8 (0.35%) CISSP
9 7 (0.31%) GCED
9 7 (0.31%) GCFA
9 7 (0.31%) GCIA
9 7 (0.31%) GCIH
9 7 (0.31%) GIAC
9 7 (0.31%) GREM
9 7 (0.31%) GSEC
9 7 (0.31%) Master's Degree
10 5 (0.22%) BPSS Clearance
10 5 (0.22%) ISTQB
11 4 (0.18%) Microsoft Certification
Quality Assurance & Compliance
1 112 (4.92%) QA
2 52 (2.28%) Data Quality
3 28 (1.23%) MiFID
4 17 (0.75%) HL7
5 15 (0.66%) Disclosure Scotland
6 12 (0.53%) ISO/IEC 27001
7 10 (0.44%) EMIR
8 9 (0.40%) CESG Infosec
8 9 (0.40%) Dodd-Frank
8 9 (0.40%) HMG Security Policy Framework
9 8 (0.35%) GCP
10 6 (0.26%) SLA
11 5 (0.22%) GPG13
12 4 (0.18%) PCI DSS
12 4 (0.18%) PMO
13 3 (0.13%) ISO 20022
13 3 (0.13%) PSD2
13 3 (0.13%) WCAG
14 2 (0.088%) GDPR
14 2 (0.088%) Sarbanes-Oxley
System Software
1 270 (11.86%) Docker
2 66 (2.90%) Active Directory
3 50 (2.20%) Apache ZooKeeper
4 45 (1.98%) HDFS
5 18 (0.79%) Hyper-V
6 17 (0.75%) Virtual Machines
7 15 (0.66%) VMware Infrastructure
8 14 (0.61%) Oracle Clusterware
8 14 (0.61%) Oracle RAC
9 11 (0.48%) Firmware
10 10 (0.44%) Apache Flume
11 9 (0.40%) Microsoft Virtual Server
11 9 (0.40%) Virtual Servers
12 7 (0.31%) Xen
13 4 (0.18%) LXC
14 1 (0.044%) KVM
14 1 (0.044%) vCloud
14 1 (0.044%) VMware Workstation
14 1 (0.044%) XenApp
Systems Management
1 157 (6.90%) Puppet
2 92 (4.04%) Ansible
3 71 (3.12%) Opscode Chef
4 42 (1.84%) Hadoop YARN
5 38 (1.67%) Grafana
6 37 (1.62%) Terraform
7 35 (1.54%) Kibana
8 30 (1.32%) Kubernetes
9 23 (1.01%) logstash
10 20 (0.88%) Nagios
11 19 (0.83%) WSUS
12 14 (0.61%) Data Guard
12 14 (0.61%) Oracle Flashback
12 14 (0.61%) Oracle RMAN
13 13 (0.57%) Graylog
13 13 (0.57%) Rundeck
14 12 (0.53%) StatsD
15 11 (0.48%) Rancher
15 11 (0.48%) Tivoli
16 9 (0.40%) ZABBIX
Vendors
1 305 (13.39%) Oracle
2 220 (9.66%) Microsoft
3 119 (5.23%) SAP
4 92 (4.04%) Google
5 77 (3.38%) WSO2
6 57 (2.50%) Red Hat
7 52 (2.28%) Splunk
8 50 (2.20%) Apigee
9 48 (2.11%) IBM
10 34 (1.49%) Atlassian
10 34 (1.49%) Salesforce.com
11 27 (1.19%) Apple
11 27 (1.19%) Perforce
11 27 (1.19%) webMethods
12 26 (1.14%) MuleSoft
13 23 (1.01%) Adobe
14 19 (0.83%) Xamarin
15 18 (0.79%) hybris
15 18 (0.79%) VMware
16 15 (0.66%) Tableau