Period
to 17 November 2017

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for JSON skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited JSON over the 6 months to 17 November 2017 with a comparison to the same period in the previous 2 years.

JSON
England > London
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 178 145 153
Rank change year-on-year -33 +8 +13
Permanent jobs citing JSON 1472 1778 2038
As % of all permanent IT jobs advertised in London 1.95% 2.34% 2.28%
As % of the Libraries, Frameworks & Software Standards category 4.99% 5.82% 6.07%
Number of salaries quoted 1174 1539 1767
London median annual salary £57,500 £60,000 £55,000
Median salary % change year-on-year -4.17% +9.09% +4.76%
10th Percentile £39,825 £36,250 £36,250
90th Percentile £82,500 £82,500 £80,000
England median annual salary £47,500 £50,000 £47,500
% change year-on-year -5.00% +5.26% +5.56%

JSON is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
London
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 29486 30548 33580
As % of all permanent IT jobs advertised in London 39.04% 40.15% 37.56%
Number of salaries quoted 23988 26899 28780
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% +4.76%
10th Percentile £36,250 £35,000 £34,000
90th Percentile £90,000 £86,250 £83,750
England median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

JSON
Job Vacancy Trend in London

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

Job vacancy trend for JSON in London

JSON
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing JSON in London.

Salary trend for JSON in London

JSON
Salary Histogram in London

The salary distribution of IT jobs citing JSON in London over the 6 months to 17 November 2017.

Salary histogram for JSON in London

JSON
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JSON within the London region over the 6 months to 17 November 2017. 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London -36 236 £55,000 -4.35% 20
West London -6 42 £55,000 +15.79% 6
South London -19 33 £52,500 - 5
North London +16 25 £45,000 +16.13% 1
East London +17 24 £63,750 +6.25% 8
JSON
England

For the 6 months to 17 November 2017, IT jobs citing JSON also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for JSON.

1 787 (53.46%) Agile Software Development
2 751 (51.02%) JavaScript
3 702 (47.69%) XML
4 662 (44.97%) HTML
5 633 (43.00%) Java
6 580 (39.40%) REST
7 556 (37.77%) CSS
8 546 (37.09%) SQL
9 470 (31.93%) Web Services
10 435 (29.55%) AngularJS
11 430 (29.21%) Git (software)
12 380 (25.82%) Finance
13 365 (24.80%) SOAP
14 344 (23.37%) Scrum
15 339 (23.03%) TDD
16 338 (22.96%) .NET
17 329 (22.35%) RESTful
18 323 (21.94%) jQuery
18 323 (21.94%) OO
19 311 (21.13%) C#
20 307 (20.86%) HTML5
21 276 (18.75%) MVC
22 269 (18.27%) SQL Server
23 266 (18.07%) Test Automation
24 231 (15.69%) Linux
25 225 (15.29%) Amazon AWS
26 223 (15.15%) Continuous Integration
27 212 (14.40%) BDD
28 209 (14.20%) Python
29 206 (13.99%) Ajax

JSON
Co-occurring IT Skills in 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
1 146 (9.92%) Apache
2 91 (6.18%) CMS
3 90 (6.11%) IIS
4 88 (5.98%) Tomcat
5 70 (4.76%) Elasticsearch
6 56 (3.80%) WebSphere
7 46 (3.13%) Confluence
8 40 (2.72%) Drupal
8 40 (2.72%) WordPress
9 36 (2.45%) JBoss
10 32 (2.17%) nginx
11 29 (1.97%) Apache Spark
12 25 (1.70%) SharePoint
13 18 (1.22%) NServiceBus
14 16 (1.09%) Apache Solr
14 16 (1.09%) Umbraco
15 14 (0.95%) SAS
16 13 (0.88%) Joomla!
16 13 (0.88%) OpenStack
17 12 (0.82%) Apache TomEE
Applications
1 12 (0.82%) Microsoft Excel
2 7 (0.48%) MS Visio
3 6 (0.41%) Photoshop
4 5 (0.34%) Adobe Creative Suite
4 5 (0.34%) FrameMaker
4 5 (0.34%) Microsoft Office
5 4 (0.27%) Adobe Illustrator
5 4 (0.27%) Chatbot
6 2 (0.14%) InVision
6 2 (0.14%) Spreadsheet
7 1 (0.068%) GIMP
7 1 (0.068%) InfoPath
7 1 (0.068%) OmniGraffle
7 1 (0.068%) Weka
Business Applications
1 37 (2.51%) Magento
2 10 (0.68%) Cognos Business Intelligence
3 9 (0.61%) Payment Gateway
4 7 (0.48%) Dynamics CRM
5 6 (0.41%) Adobe Campaign
5 6 (0.41%) Dynamics NAV
5 6 (0.41%) Remedy ITSM
5 6 (0.41%) Salesforce.com CRM
6 4 (0.27%) MetaTrader
6 4 (0.27%) Raiser's Edge
7 3 (0.20%) Dynamics AX
7 3 (0.20%) NetSuite
8 1 (0.068%) SAP Hybris
8 1 (0.068%) SAP MDG
8 1 (0.068%) Shopify
Cloud Services
1 225 (15.29%) Amazon AWS
2 115 (7.81%) GitHub
2 115 (7.81%) Microsoft Azure
3 86 (5.84%) SaaS
4 27 (1.83%) npm
4 27 (1.83%) Serverless
5 25 (1.70%) AWS Elastic Beanstalk
6 24 (1.63%) Amazon S3
7 22 (1.49%) AWS Lambda
8 20 (1.36%) Google Cloud Platform
8 20 (1.36%) PaaS
9 17 (1.15%) Amazon EC2
10 16 (1.09%) Office 365
11 15 (1.02%) Cloud Computing
11 15 (1.02%) IaaS
12 14 (0.95%) CloudFront
13 11 (0.75%) Google Analytics
14 10 (0.68%) AWS CloudFormation
14 10 (0.68%) Google Play
15 9 (0.61%) Virtual Private Cloud
Communications & Networking
1 203 (13.79%) HTTP
2 87 (5.91%) Internet
3 76 (5.16%) SSL
4 64 (4.35%) TCP/IP
5 23 (1.56%) DNS
6 19 (1.29%) HTTPS
7 14 (0.95%) RFID
8 12 (0.82%) VPN
9 10 (0.68%) Firewall
9 10 (0.68%) Intranet
10 9 (0.61%) Wireless
11 8 (0.54%) Cisco IOS
11 8 (0.54%) VoIP
11 8 (0.54%) VSAT
12 7 (0.48%) FTP
13 5 (0.34%) ATM
13 5 (0.34%) IPsec
13 5 (0.34%) Network Security
13 5 (0.34%) Wi-Fi
14 4 (0.27%) ZigBee
Database & Business Intelligence
1 269 (18.27%) SQL Server
2 184 (12.50%) MySQL
3 165 (11.21%) Relational Database
4 143 (9.71%) NoSQL
5 84 (5.71%) Data Warehouse
6 82 (5.57%) Big Data
7 81 (5.50%) MongoDB
8 62 (4.21%) PostgreSQL
9 44 (2.99%) SQL Server 2008
10 35 (2.38%) Hadoop
11 31 (2.11%) SQL Server 2012
12 29 (1.97%) RDBMS
13 27 (1.83%) Apache Cassandra
14 26 (1.77%) SQL Server Integration Services
15 25 (1.70%) SQL Server Reporting Services
16 23 (1.56%) Apache Hive
16 23 (1.56%) Oracle Database
16 23 (1.56%) Redis
17 21 (1.43%) HBase
18 20 (1.36%) SQL Server Analysis Services
Development Applications
1 430 (29.21%) Git (software)
2 190 (12.91%) Jenkins
3 157 (10.67%) JIRA
4 126 (8.56%) Maven
5 97 (6.59%) Subversion
6 79 (5.37%) Selenium
7 78 (5.30%) Visual Studio
8 74 (5.03%) Cucumber
9 72 (4.89%) JUnit
10 56 (3.80%) TeamCity
11 53 (3.60%) gulp
12 52 (3.53%) WebDriver
13 48 (3.26%) Team Foundation Server
14 41 (2.79%) Ant
15 39 (2.65%) Grunt
15 39 (2.65%) Jasmine
15 39 (2.65%) JMeter
16 37 (2.51%) Gradle
16 37 (2.51%) Mockito
17 34 (2.31%) webpack
General
1 380 (25.82%) Finance
2 203 (13.79%) Banking
3 119 (8.08%) Investment Banking
4 113 (7.68%) Retail
5 101 (6.86%) Retail Banking
6 79 (5.37%) Marketing
7 65 (4.42%) Games
8 38 (2.58%) Advertising
9 29 (1.97%) Legal
10 21 (1.43%) Back Office
11 20 (1.36%) Telecoms
12 15 (1.02%) Online Betting
13 14 (0.95%) Law
14 13 (0.88%) Financial Institution
14 13 (0.88%) Retail Finance
15 12 (0.82%) Publishing
16 9 (0.61%) Front Office
17 8 (0.54%) iGaming
18 6 (0.41%) Electronics
18 6 (0.41%) French Language
Job Titles
1 952 (64.67%) Developer
2 242 (16.44%) Java Developer
3 206 (13.99%) Senior Developer
4 135 (9.17%) .NET Developer
5 99 (6.73%) Architect
6 97 (6.59%) Front End Developer (Client-Side Developer)
7 86 (5.84%) C# Developer
8 80 (5.43%) Full Stack Developer
9 79 (5.37%) JavaScript Developer
10 75 (5.10%) Web Developer
11 73 (4.96%) Software Engineer
12 71 (4.82%) C# .NET Developer
13 60 (4.08%) Lead Developer
14 58 (3.94%) Angular Developer
15 56 (3.80%) SQL Developer
16 55 (3.74%) Senior Java Developer
17 54 (3.67%) Analyst
18 51 (3.46%) Software Architect
19 50 (3.40%) Android Developer
19 50 (3.40%) PHP Developer
Libraries, Frameworks & Software Standards
1 702 (47.69%) XML
2 662 (44.97%) HTML
3 580 (39.40%) REST
4 556 (37.77%) CSS
5 470 (31.93%) Web Services
6 435 (29.55%) AngularJS
7 365 (24.80%) SOAP
8 338 (22.96%) .NET
9 329 (22.35%) RESTful
10 323 (21.94%) jQuery
11 307 (20.86%) HTML5
12 206 (13.99%) Ajax
13 202 (13.72%) Spring
14 194 (13.18%) CSS3
15 184 (12.50%) Node.js
16 167 (11.35%) ASP.NET
17 132 (8.97%) React
18 128 (8.70%) .NET Framework
19 103 (7.00%) ASP.NET MVC
20 99 (6.73%) WebSockets
Miscellaneous
1 177 (12.02%) User Experience
2 150 (10.19%) Computer Science
3 130 (8.83%) Mobile App
4 107 (7.27%) Analytical Skills
5 88 (5.98%) Fintech
6 86 (5.84%) Data Structures
7 82 (5.57%) Algorithms
8 80 (5.43%) Greenfield Project
9 76 (5.16%) Foreign Exchange (FX)
10 70 (4.76%) Enterprise Software
11 61 (4.14%) Client/Server
12 45 (3.06%) Reference Data
13 29 (1.97%) Data Centre
14 27 (1.83%) Social Media
15 22 (1.49%) Linux Command Line
16 21 (1.43%) Virtual Team
17 20 (1.36%) W3C
18 18 (1.22%) PKI
19 17 (1.15%) Management Information System
20 14 (0.95%) Hedge funds
Operating Systems
1 231 (15.69%) Linux
2 150 (10.19%) Apple iOS
3 149 (10.12%) Windows
4 136 (9.24%) Android
5 106 (7.20%) Unix
6 31 (2.11%) Windows Server
7 23 (1.56%) Windows 10
7 23 (1.56%) Windows 7
8 20 (1.36%) HPUX
8 20 (1.36%) Solaris
9 16 (1.09%) Red Hat Enterprise Linux
10 11 (0.75%) Mac OS X
11 10 (0.68%) CentOS
12 6 (0.41%) Windows Server 2012
13 5 (0.34%) Mac OS
14 4 (0.27%) Ubuntu
15 3 (0.20%) Fedora
15 3 (0.20%) Kali Linux
15 3 (0.20%) Windows Server 2008
16 2 (0.14%) Debian
Processes & Methodologies
1 787 (53.46%) Agile Software Development
2 344 (23.37%) Scrum
3 339 (23.03%) TDD
4 323 (21.94%) OO
5 276 (18.75%) MVC
6 266 (18.07%) Test Automation
7 223 (15.15%) Continuous Integration
8 212 (14.40%) BDD
9 194 (13.18%) Software Engineering
10 187 (12.70%) DevOps
11 186 (12.64%) E-Commerce
12 171 (11.62%) Web Development
13 149 (10.12%) Front End Development
14 141 (9.58%) Mentoring
15 119 (8.08%) Asset Management
16 115 (7.81%) Analytics
17 108 (7.34%) Multithreading
18 105 (7.13%) Wealth Management
19 104 (7.07%) Unit Testing
20 95 (6.45%) SOA
Programming Languages
1 751 (51.02%) JavaScript
2 633 (43.00%) Java
3 546 (37.09%) SQL
4 311 (21.13%) C#
5 209 (14.20%) Python
6 149 (10.12%) PHP
7 105 (7.13%) Ruby
8 91 (6.18%) T-SQL
9 71 (4.82%) ES6
10 69 (4.69%) Objective-C
11 67 (4.55%) Scala
12 66 (4.48%) PowerShell
13 56 (3.80%) Apple Swift
14 52 (3.53%) TypeScript
15 51 (3.46%) C++
16 49 (3.33%) Perl
17 46 (3.13%) Groovy
18 39 (2.65%) Bash Shell
19 38 (2.58%) Shell Script
20 32 (2.17%) ECMAScript
Qualifications
1 164 (11.14%) Degree
2 65 (4.42%) Computer Science Degree
3 32 (2.17%) Security Cleared
4 26 (1.77%) Microsoft Certification
5 18 (1.22%) Master's Degree
5 18 (1.22%) SC Cleared
6 15 (1.02%) APMP
7 10 (0.68%) MBA
8 8 (0.54%) ISEB
8 8 (0.54%) ISTQB
8 8 (0.54%) MCITP
8 8 (0.54%) MCTS
9 7 (0.48%) ITIL Certification
9 7 (0.48%) MCSA
10 6 (0.41%) DV Cleared
11 5 (0.34%) PhD
12 4 (0.27%) A+ Certification
12 4 (0.27%) MCSD
12 4 (0.27%) MCSE
12 4 (0.27%) Postgraduate
Quality Assurance & Compliance
1 143 (9.71%) QA
2 12 (0.82%) WAI
3 11 (0.75%) PMO
4 9 (0.61%) WCAG
5 7 (0.48%) Data Quality
6 6 (0.41%) MiFID
6 6 (0.41%) RosettaNet
7 3 (0.20%) Disclosure Scotland
7 3 (0.20%) GCP
8 2 (0.14%) Dodd-Frank
8 2 (0.14%) PCI DSS
9 1 (0.068%) COBIT
9 1 (0.068%) EMIR
9 1 (0.068%) PSD2
9 1 (0.068%) SLA
System Software
1 101 (6.86%) Docker
2 17 (1.15%) Active Directory
3 14 (0.95%) VMware Infrastructure
4 12 (0.82%) Virtual Machines
5 5 (0.34%) HDFS
6 4 (0.27%) Apache Flume
7 3 (0.20%) KVM
8 2 (0.14%) Apache ZooKeeper
8 2 (0.14%) Hyper-V
8 2 (0.14%) Xen
9 1 (0.068%) Firmware
9 1 (0.068%) Microsoft Virtual Server
9 1 (0.068%) Virtual Servers
Systems Management
1 49 (3.33%) Puppet
2 41 (2.79%) Ansible
3 34 (2.31%) Opscode Chef
4 28 (1.90%) Kibana
5 21 (1.43%) Kubernetes
6 20 (1.36%) Nagios
7 18 (1.22%) logstash
8 9 (0.61%) Terraform
9 7 (0.48%) Salt
10 6 (0.41%) Mesos
11 5 (0.34%) SCOM
12 4 (0.27%) Marathon
12 4 (0.27%) Perfmon
13 3 (0.20%) HP SiteScope
13 3 (0.20%) OpenNebula
13 3 (0.20%) Red Hat Spacewalk
13 3 (0.20%) Rundeck
13 3 (0.20%) Suricata
14 2 (0.14%) Control-M
14 2 (0.14%) SCCM
Vendors
1 183 (12.43%) Microsoft
2 117 (7.95%) Oracle
3 87 (5.91%) Google
4 44 (2.99%) GoldenSource
5 43 (2.92%) IBM
6 36 (2.45%) Salesforce.com
7 28 (1.90%) Red Hat
8 27 (1.83%) Adobe
9 26 (1.77%) Apple
10 20 (1.36%) MuleSoft
11 19 (1.29%) Cisco
11 19 (1.29%) VMware
12 18 (1.22%) Atlassian
13 16 (1.09%) Siebel
14 14 (0.95%) TIBCO
15 13 (0.88%) Xamarin
16 11 (0.75%) Apigee
17 10 (0.68%) Cognos
17 10 (0.68%) Informatica
18 9 (0.61%) SAP