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 3 months to 25 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
25 Mar 2017
Same period 2016 Same period 2015
JSON
England / London
Rank 156 139 166
Rank change year-on-year -17 +27  
Permanent jobs citing JSON 696 986 829
As % of all permanent IT jobs advertised in London 2.07% 2.35% 1.96%
As % of the Libraries, Frameworks & Software Standards category 5.18% 5.89% 5.32%
Number of salaries quoted 557 852 641
Median salary £57,500 £55,000 £55,000
Median salary % change year-on-year +4.54% -  
90% offered a salary of more than £40,000 £40,000 £38,500
10% offered a salary of more than £75,000 £75,000 £70,000
UK excluding London median salary £42,500 £45,000 £40,000
% change year-on-year -5.55% +12.50%  

JSON is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
London
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 13439 16739 15582
As % of all permanent IT job vacancies advertised in London 39.98% 39.95% 36.93%
Number of salaries quoted 11571 14617 13209
Median salary £57,500 £55,000 £54,000
Median salary % change year-on-year +4.54% +1.85%  
90% offered a salary of more than £37,500 £37,500 £35,500
10% offered a salary of more than £80,000 £72,500 £77,500
UK excluding London median salary £40,000 £42,500 £40,000
% change year-on-year -5.88% +6.25%  

JSON
Job Vacancy Trend in London

The job posting trend of jobs advertised in London citing JSON as a proportion of all permanent or contract IT jobs with a match in the Libraries, Frameworks & Software Standards category.

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 3 months to 25 March 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 3 months to 25 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London -12 89 £55,000 +10.00% 33
Hammersmith -6 8 £52,500 -19.23%
Canary Wharf - 8 £78,750 -
Heathrow - 2 £57,500 -
Wimbledon +11 1 - -
West End of London +7 1 £42,250 -6.11% 5
Kingston Upon Thames +3 1 £40,000 -5.88%
Ruislip - 1 £45,000 - 1
Moorgate - 1 £50,000 -
JSON
England

JSON
Top 30 Related IT Skills in London

For the 6 months to 25 March 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.

1 833 (56.71%) JavaScript
2 814 (55.41%) Agile Software Development
3 743 (50.58%) HTML
4 701 (47.72%) CSS
5 656 (44.66%) XML
6 584 (39.75%) REST
7 515 (35.06%) Java
8 430 (29.27%) jQuery
9 420 (28.59%) SQL
10 405 (27.57%) AngularJS
11 393 (26.75%) Git (software)
12 379 (25.80%) .NET
13 375 (25.53%) Web Services
14 371 (25.26%) OO
14 371 (25.26%) C#
15 363 (24.71%) HTML5
16 324 (22.06%) RESTful
17 318 (21.65%) TDD
18 314 (21.38%) Scrum
19 306 (20.83%) SOAP
20 284 (19.33%) MVC
21 273 (18.58%) Node.js
22 254 (17.29%) CSS3
23 252 (17.15%) Web Development
24 248 (16.88%) SQL Server
25 240 (16.34%) Ajax
26 236 (16.07%) Continuous Integration
27 231 (15.72%) Finance
28 227 (15.45%) Linux
29 220 (14.98%) HTTP

JSON
Top Related 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 88 (5.99%) IIS
2 86 (5.85%) WebSphere
3 85 (5.79%) Elasticsearch
4 71 (4.83%) CMS
5 61 (4.15%) JBoss
6 49 (3.34%) Apache
7 46 (3.13%) Tomcat
8 40 (2.72%) Umbraco
9 31 (2.11%) Adobe Experience Manager
9 31 (2.11%) Mule
10 29 (1.97%) Apache ServiceMix
11 28 (1.91%) WordPress
12 27 (1.84%) Apache Spark
13 26 (1.77%) Anypoint
14 22 (1.50%) SharePoint
14 22 (1.50%) WebLogic
15 20 (1.36%) Apache Solr
15 20 (1.36%) Drupal
15 20 (1.36%) WebSphere Application Server
16 18 (1.23%) Oracle SOA Suite
Applications
1 103 (7.01%) MS Excel
2 42 (2.86%) Photoshop
3 10 (0.68%) GIMP
4 5 (0.34%) Adobe Illustrator
5 4 (0.27%) MS Office
6 3 (0.20%) FrameMaker
7 2 (0.14%) Spreadsheet
8 1 (0.068%) Adobe Creative Suite
8 1 (0.068%) MS Visio
8 1 (0.068%) SPSS
8 1 (0.068%) Weka
Business Applications
1 12 (0.82%) Dynamics AX
2 9 (0.61%) Infor CloudSuite
2 9 (0.61%) Infor M3
3 8 (0.54%) Workday HCM
4 7 (0.48%) Dynamics CRM
4 7 (0.48%) Magento
5 4 (0.27%) Oracle BPM
5 4 (0.27%) Payment Gateway
6 3 (0.20%) Eagle PACE
6 3 (0.20%) Eloqua
7 2 (0.14%) Adobe Campaign
8 1 (0.068%) BusinessWorks
8 1 (0.068%) RMDS
8 1 (0.068%) SAP Hybris
Cloud Services
1 96 (6.54%) Amazon AWS
2 94 (6.40%) Microsoft Azure
3 63 (4.29%) GitHub
4 60 (4.08%) SaaS
5 26 (1.77%) Google Play
6 23 (1.57%) Force.com
7 17 (1.16%) Cloud Computing
8 15 (1.02%) Heroku
9 13 (0.88%) PaaS
10 12 (0.82%) Google Analytics
11 11 (0.75%) IaaS
12 10 (0.68%) AWS Lambda
13 9 (0.61%) Adobe Analytics
14 8 (0.54%) Slack
15 7 (0.48%) Route 53
16 6 (0.41%) Azure Machine Learning
16 6 (0.41%) CloudFront
16 6 (0.41%) Trello
17 5 (0.34%) Amazon CloudWatch
17 5 (0.34%) Virtual Private Cloud
Communications & Networking
1 220 (14.98%) HTTP
2 35 (2.38%) Internet
3 32 (2.18%) SSL
4 27 (1.84%) TCP/IP
5 17 (1.16%) Firewall
6 14 (0.95%) DNS
7 13 (0.88%) Skype
8 7 (0.48%) HTTPS
8 7 (0.48%) VPN
9 6 (0.41%) Kerberos
9 6 (0.41%) LDAP
10 4 (0.27%) DVB
10 4 (0.27%) SSH
11 3 (0.20%) Anycast
11 3 (0.20%) IGMP
11 3 (0.20%) IPsec
11 3 (0.20%) LAN
11 3 (0.20%) Multicast
11 3 (0.20%) RTP
11 3 (0.20%) Wireless
Database & Business Intelligence
1 248 (16.88%) SQL Server
2 171 (11.64%) NoSQL
3 165 (11.23%) MySQL
4 158 (10.76%) MongoDB
5 156 (10.62%) Relational Database
6 63 (4.29%) RDBMS
7 62 (4.22%) Big Data
8 58 (3.95%) SQL Server Integration Services
9 52 (3.54%) Hadoop
10 46 (3.13%) DB2
11 35 (2.38%) Apache Cassandra
12 33 (2.25%) SQL Server Reporting Services
13 30 (2.04%) PostgreSQL
14 29 (1.97%) Redis
15 26 (1.77%) SQL Server 2008
16 24 (1.63%) Apache Hive
17 23 (1.57%) SQL Server 2012
18 22 (1.50%) Oracle Database
19 20 (1.36%) Neo4j
20 17 (1.16%) Data Warehouse
Development Applications
1 393 (26.75%) Git (software)
2 155 (10.55%) Jenkins
3 132 (8.99%) JIRA
4 124 (8.44%) Maven
5 112 (7.62%) Subversion
6 94 (6.40%) Grunt
7 93 (6.33%) Cucumber
8 84 (5.72%) gulp
8 84 (5.72%) Selenium
9 83 (5.65%) JUnit
10 72 (4.90%) Visual Studio
11 71 (4.83%) Team Foundation Server
11 71 (4.83%) TeamCity
12 59 (4.02%) Gradle
13 44 (3.00%) Bower
14 43 (2.93%) webpack
15 42 (2.86%) Jasmine
16 39 (2.65%) Xcode
17 32 (2.18%) Mocha
18 30 (2.04%) Hudson
General
1 231 (15.72%) Finance
2 108 (7.35%) Banking
3 103 (7.01%) Retail
4 83 (5.65%) Advertising
5 81 (5.51%) Games
6 78 (5.31%) Marketing
7 45 (3.06%) Telecoms
8 33 (2.25%) Publishing
9 25 (1.70%) Back Office
10 21 (1.43%) Legal
11 19 (1.29%) Law
12 18 (1.23%) Investment Banking
13 10 (0.68%) Financial Institution
13 10 (0.68%) Front Office
14 6 (0.41%) Manufacturing
14 6 (0.41%) Multimedia
15 5 (0.34%) Pharmaceutical
16 3 (0.20%) Music Industry
16 3 (0.20%) Online Betting
17 2 (0.14%) Electronics
Job Titles
1 1066 (72.57%) Developer
2 191 (13.00%) Senior Developer
3 168 (11.44%) Java Developer
4 157 (10.69%) JavaScript Developer
5 145 (9.87%) .NET Developer
6 143 (9.73%) C# Developer
7 141 (9.60%) Front End Developer (Client-Side Developer)
8 105 (7.15%) Architect
9 91 (6.19%) Full Stack Developer
10 88 (5.99%) iOS Developer
11 81 (5.51%) Angular Developer
12 79 (5.38%) C# .NET Developer
13 66 (4.49%) Web Developer
14 62 (4.22%) Software Developer
15 60 (4.08%) Analyst
16 59 (4.02%) Lead Developer
17 58 (3.95%) Android Developer
17 58 (3.95%) Scala Developer
18 51 (3.47%) Consultant
18 51 (3.47%) Senior Java Developer
Libraries, Frameworks & Software Standards
1 743 (50.58%) HTML
2 701 (47.72%) CSS
3 656 (44.66%) XML
4 584 (39.75%) REST
5 430 (29.27%) jQuery
6 405 (27.57%) AngularJS
7 379 (25.80%) .NET
8 375 (25.53%) Web Services
9 363 (24.71%) HTML5
10 324 (22.06%) RESTful
11 306 (20.83%) SOAP
12 273 (18.58%) Node.js
13 254 (17.29%) CSS3
14 240 (16.34%) Ajax
15 216 (14.70%) Spring
16 191 (13.00%) ASP.NET
17 183 (12.46%) React
18 148 (10.07%) ASP.NET Web API
19 138 (9.39%) Twitter Bootstrap
20 133 (9.05%) Sass
Miscellaneous
1 174 (11.84%) Computer Science
2 131 (8.92%) User Experience
3 118 (8.03%) Mobile App
4 79 (5.38%) Analytical Skills
5 76 (5.17%) Algorithms
6 75 (5.11%) Fintech
7 73 (4.97%) Data Structures
8 45 (3.06%) Enterprise Software
9 36 (2.45%) Clustering
10 26 (1.77%) Linux Command Line
11 25 (1.70%) iPad
12 24 (1.63%) Social Media
13 21 (1.43%) Management Information System
14 20 (1.36%) W3C
15 19 (1.29%) Data Centre
16 18 (1.23%) Hedge funds
16 18 (1.23%) iPhone
16 18 (1.23%) Online Games
17 17 (1.16%) Client/Server
18 16 (1.09%) Graphic Design
Operating Systems
1 227 (15.45%) Linux
2 147 (10.01%) Apple iOS
3 126 (8.58%) Windows
4 100 (6.81%) Android
5 90 (6.13%) Unix
6 23 (1.57%) Windows Server
7 21 (1.43%) Red Hat Enterprise Linux
8 15 (1.02%) Mac OS X
9 14 (0.95%) Windows Server 2008
10 13 (0.88%) Windows Server 2012
11 8 (0.54%) HPUX
11 8 (0.54%) Solaris
11 8 (0.54%) Windows Phone
12 7 (0.48%) CentOS
13 4 (0.27%) Ubuntu
14 3 (0.20%) Kali Linux
15 2 (0.14%) Fedora
15 2 (0.14%) Windows 10
16 1 (0.068%) VMS
16 1 (0.068%) zOS
Processes & Methodologies
1 814 (55.41%) Agile Software Development
2 371 (25.26%) OO
3 318 (21.65%) TDD
4 314 (21.38%) Scrum
5 284 (19.33%) MVC
6 252 (17.15%) Web Development
7 236 (16.07%) Continuous Integration
8 218 (14.84%) Front End Development
9 195 (13.27%) Software Engineering
10 180 (12.25%) E-Commerce
11 165 (11.23%) BDD
11 165 (11.23%) SOA
12 160 (10.89%) Unit Testing
13 141 (9.60%) Analytics
14 132 (8.99%) DevOps
15 128 (8.71%) Open Source
16 109 (7.42%) iOS Development
17 101 (6.88%) Multithreading
18 99 (6.74%) SDLC
19 95 (6.47%) OOP
Programming Languages
1 833 (56.71%) JavaScript
2 515 (35.06%) Java
3 420 (28.59%) SQL
4 371 (25.26%) C#
5 134 (9.12%) PHP
6 116 (7.90%) Python
7 103 (7.01%) Scala
8 96 (6.54%) Objective-C
9 88 (5.99%) Apple Swift
10 64 (4.36%) Ruby
11 58 (3.95%) Groovy
12 56 (3.81%) T-SQL
13 41 (2.79%) ES6
14 39 (2.65%) VB.NET
15 33 (2.25%) Apex Code
16 32 (2.18%) SOQL
17 30 (2.04%) XAML
18 27 (1.84%) C++
18 27 (1.84%) Perl
19 26 (1.77%) Shell Script
Qualifications
1 202 (13.75%) Degree
2 33 (2.25%) Security Cleared
3 14 (0.95%) SC Cleared
4 12 (0.82%) DV Cleared
5 11 (0.75%) ISTQB
6 8 (0.54%) ITIL Certification
7 7 (0.48%) ISEB
8 5 (0.34%) ISTQB Advanced Certification
8 5 (0.34%) PhD
9 4 (0.27%) PMI Certification
9 4 (0.27%) PMP
10 1 (0.068%) CITP
10 1 (0.068%) MBA
10 1 (0.068%) MCAD
10 1 (0.068%) MCP
10 1 (0.068%) MCSD
10 1 (0.068%) Microsoft Certification
Quality Assurance & Compliance
1 127 (8.65%) QA
2 20 (1.36%) PCI DSS
3 18 (1.23%) SDET
4 17 (1.16%) MiFID
5 12 (0.82%) Sarbanes-Oxley
6 10 (0.68%) SLA
7 9 (0.61%) Data Quality
7 9 (0.61%) Dodd-Frank
8 8 (0.54%) EMIR
9 3 (0.20%) GAAP
10 1 (0.068%) Section 508
10 1 (0.068%) WCAG
System Software
1 61 (4.15%) Docker
2 22 (1.50%) Active Directory
3 12 (0.82%) VMware Infrastructure
4 5 (0.34%) Snort
5 4 (0.27%) HDFS
6 3 (0.20%) KVM
7 2 (0.14%) Virtual Machines
8 1 (0.068%) Apache ZooKeeper
8 1 (0.068%) Xen
Systems Management
1 41 (2.79%) Puppet
2 25 (1.70%) Opscode Chef
3 21 (1.43%) Ansible
4 16 (1.09%) Piwik
5 14 (0.95%) Grafana
5 14 (0.95%) StatsD
6 7 (0.48%) Nagios
7 4 (0.27%) HP Quality Center
7 4 (0.27%) MOM
7 4 (0.27%) yum
8 3 (0.20%) Oozie
8 3 (0.20%) OpenNebula
9 2 (0.14%) Kibana
10 1 (0.068%) Galera Cluster
10 1 (0.068%) Graphite
10 1 (0.068%) logstash
10 1 (0.068%) Marathon
10 1 (0.068%) Mesos
10 1 (0.068%) Packer
10 1 (0.068%) Terraform
Vendors
1 202 (13.75%) Microsoft
2 128 (8.71%) Oracle
3 90 (6.13%) IBM
4 68 (4.63%) Google
5 52 (3.54%) Salesforce.com
6 45 (3.06%) Apple
7 43 (2.93%) MuleSoft
8 41 (2.79%) Adobe
9 29 (1.97%) WSO2
10 24 (1.63%) Xamarin
11 23 (1.57%) SAP
12 21 (1.43%) Zend
13 20 (1.36%) Talend
14 19 (1.29%) Splunk
14 19 (1.29%) webMethods
15 16 (1.09%) Pardot
15 16 (1.09%) Perforce
16 15 (1.02%) Apigee
16 15 (1.02%) Tableau
17 14 (0.95%) ATG
City, London
ARC IT Recruitment Ltd
Salary: £45,000 per annum
Posted: Yesterday
Twickenham, Middlesex
Digitech Resourcing Ltd
Salary: From £55,000 to £70,000 per annum + Package
Posted: Yesterday
Central London / West End
Oscar
Salary: £65000 per annum + benefits
Posted: Yesterday
London
Ashdown IT
Salary: £35000 - £40000 per annum
Posted: Yesterday
City, London
onezeero.
Salary: £50000 - £70000 per annum + Benefits package
Posted: 3 days ago
South East London
Itecco
Salary: £55000 - £65000 per annum + Benefits
Posted: Yesterday
London
Premier IT
Salary: £20000 - £25000 per annum
Posted: 2 days ago
London
Morgan Mckinley
Salary: £35000 - £50000 per annum + Benefits
Posted: Yesterday
City, London
Stott & May
Salary: £55000 - £65000 per annum
Posted: 3 days ago
London
City & Guilds
Salary: £41,993 per annum
Posted: Yesterday
London
Talent Point Ltd
Salary: £40000 - £70000 per annum
Posted: Yesterday
London
Opus Resourcing Ltd
Salary: £45000 - £70000 per annum + Bens + Bonus to 10%
Posted: 2 days ago
City, London
Exclusive Recruitment
Salary: From £30,000 to £45,000 per annum DOE
Posted: Yesterday
London
Tiro Partners
Salary: £65000 - £70000.00 per annum
Posted: 3 days ago
City, London
Senitor Associates
Salary: Excellent Benefits Package
Posted: 2 days ago
South East London
Evolution Recruitment Solutions
Salary: 55,000-65,000
Posted: Yesterday
North London
Evolution Recruitment Solutions
Salary: 35-45K + Benefits
Posted: 4 days ago
Central London / West End
Venturi
Salary: £40000 - £45000 per annum + bonus
Posted: 3 days ago
London
Premier IT
Salary: £35000 - £50000 per annum
Posted: 4 days ago
South East London
Evolution Recruitment Solutions
Salary: 55,000-65,000
Posted: Yesterday
City, London
RICHARD WHEELER ASSOCIATES
Salary: From £35,000 to £55,000 per annum Negot (+ High equity)
Posted: 2 days ago
London
Oliver Bernard
Salary: £60000 - £75000 per annum + Bonus, Pension
Posted: 2 days ago
London
keytree
Salary: £50000 - £70000 per annum, Benefits Pension, Health Insurance, Flexiti
Posted: 4 days ago
City, London
Stott & May
Salary: £50000 - £60000 per annum
Posted: 4 days ago
City, London
Harrington Starr
Salary: £60000 - £75000 per annum + Benefits + Bonus
Posted: 3 days ago
City, London
JM
Salary: £50000 - £60000 per annum + Bonus + Full Benefits
Posted: 3 days ago
Teddington, Middlesex
Exposed Solutions
Salary: £50000 - £65000 per annum
Posted: 4 days ago
City, London
Understanding Recruitment
Salary: £60000.00 - £70000.00 per annum
Posted: 5 days ago
London
The People Network
Salary: £60000 - £80000 per annum
Posted: 4 days ago
London
Exposed Solutions
Salary: £35000 - £40000 per annum
Posted: 4 days ago