Period
to 19 November 2017

The following table provides summary statistics for permanent job vacancies advertised in the City of 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 19 November 2017 with a comparison to the same period in the previous 2 years.

JSON
Central London > City of London
6 months to
19 Nov 2017
Same period 2016 Same period 2015
Rank 170 152 151
Rank change year-on-year -18 -1 -3
Permanent jobs citing JSON 167 223 351
As % of all permanent IT jobs advertised in the City of London 1.65% 1.92% 2.04%
As % of the Libraries, Frameworks & Software Standards category 4.10% 4.63% 5.62%
Number of salaries quoted 158 215 309
City of London median annual salary £57,750 £60,000 £55,000
Median salary % change year-on-year -3.75% +9.09% +4.76%
10th Percentile £36,750 £36,750 £36,250
90th Percentile £88,250 £80,000 £77,500
Central London median annual salary £55,000 £57,500 £55,000
% change year-on-year -4.35% +4.55% +10.00%

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

All Software Libraries and Frameworks
City of London
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 4077 4812 6243
As % of all permanent IT jobs advertised in the City of London 40.24% 41.39% 36.31%
Number of salaries quoted 3671 4437 5409
City of London median annual salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.17% +4.35% +4.55%
10th Percentile £40,000 £38,250 £36,250
90th Percentile £90,000 £87,500 £85,000
Central London median annual salary £60,000 £57,500 £57,500
% change year-on-year +4.35% - +4.55%

JSON
Job Vacancy Trend in the City of London

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

Job vacancy trend for JSON in the City of London

JSON
Salary Trend in the City of London

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

Salary trend for JSON in the City of London

JSON
Salary Histogram in the City of London

The salary distribution of IT jobs citing JSON in the City of London over the 6 months to 19 November 2017.

Salary histogram for JSON in the City of London

For the 6 months to 19 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 City of London region with a requirement for JSON.

1 102 (61.08%) HTML
2 97 (58.08%) Agile Software Development
3 91 (54.49%) JavaScript
4 79 (47.31%) Web Services
5 78 (46.71%) SQL
6 77 (46.11%) CSS
7 75 (44.91%) XML
8 68 (40.72%) SQL Server
8 68 (40.72%) Java
9 67 (40.12%) Finance
10 62 (37.13%) jQuery
11 58 (34.73%) Ajax
12 56 (33.53%) AngularJS
13 53 (31.74%) .NET
14 51 (30.54%) REST
15 50 (29.94%) Node.js
16 47 (28.14%) Software Engineering
17 44 (26.35%) HTML5
18 43 (25.75%) Microsoft
19 42 (25.15%) Git (software)
20 41 (24.55%) C#
21 39 (23.35%) MVC
22 38 (22.75%) SOAP
22 38 (22.75%) RESTful
23 35 (20.96%) Amazon AWS
24 33 (19.76%) CSS3
24 33 (19.76%) User Experience
25 32 (19.16%) Continuous Integration
26 30 (17.96%) Scrum
27 27 (16.17%) Apache

JSON
Co-occurring IT Skills in the City of 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 27 (16.17%) Apache
2 26 (15.57%) JBoss
3 16 (9.58%) Tomcat
4 12 (7.19%) IIS
4 12 (7.19%) nginx
5 10 (5.99%) Apache TomEE
5 10 (5.99%) WebSphere
6 9 (5.39%) WordPress
7 5 (2.99%) SharePoint
8 4 (2.40%) CMS
8 4 (2.40%) MQSeries
9 2 (1.20%) Confluence
9 2 (1.20%) Drupal
9 2 (1.20%) Marvel
10 1 (0.60%) Alfresco
10 1 (0.60%) GeoServer
10 1 (0.60%) Kentico
10 1 (0.60%) Sitecore CMS
10 1 (0.60%) Sitefinity
10 1 (0.60%) Umbraco
Applications
1 5 (2.99%) MS Visio
2 4 (2.40%) Microsoft Excel
3 2 (1.20%) Adobe Creative Suite
3 2 (1.20%) InVision
4 1 (0.60%) Photoshop
4 1 (0.60%) Spreadsheet
Business Applications
1 9 (5.39%) Cognos Business Intelligence
2 2 (1.20%) Magento
3 1 (0.60%) Dynamics CRM
Cloud Services
1 35 (20.96%) Amazon AWS
2 22 (13.17%) Microsoft Azure
3 16 (9.58%) SaaS
4 15 (8.98%) GitHub
5 10 (5.99%) Google Cloud Platform
6 6 (3.59%) Office 365
7 5 (2.99%) Dynamics 365
8 2 (1.20%) AWS Lambda
8 2 (1.20%) IaaS
8 2 (1.20%) Serverless
9 1 (0.60%) Amazon EC2
9 1 (0.60%) Amazon S3
9 1 (0.60%) AWS CloudFormation
9 1 (0.60%) Cloud Computing
9 1 (0.60%) CloudFront
9 1 (0.60%) Google Analytics
9 1 (0.60%) Heroku
9 1 (0.60%) npm
9 1 (0.60%) PaaS
Communications & Networking
1 26 (15.57%) HTTP
2 8 (4.79%) Internet
3 4 (2.40%) DNS
4 2 (1.20%) MPLS
4 2 (1.20%) VPLS
5 1 (0.60%) Intranet
5 1 (0.60%) SMS
5 1 (0.60%) SSL
5 1 (0.60%) VPN
5 1 (0.60%) Wi-Fi
5 1 (0.60%) Wireshark
5 1 (0.60%) X.509
Database & Business Intelligence
1 68 (40.72%) SQL Server
2 20 (11.98%) SQL Server Integration Services
3 19 (11.38%) MySQL
4 18 (10.78%) MongoDB
4 18 (10.78%) SQL Server Analysis Services
5 16 (9.58%) Big Data
5 16 (9.58%) SQL Server 2008
5 16 (9.58%) SQL Server 2012
6 14 (8.38%) NoSQL
6 14 (8.38%) Relational Database
7 11 (6.59%) Data Warehouse
8 9 (5.39%) Apache Hive
8 9 (5.39%) Business Intelligence Development Studio
9 8 (4.79%) SQL Server Reporting Services
10 7 (4.19%) Enterprise Data Warehouse
11 6 (3.59%) Power BI
11 6 (3.59%) SQL Server 2014
12 5 (2.99%) Data Mining
12 5 (2.99%) PostgreSQL
13 3 (1.80%) OLTP
Development Applications
1 42 (25.15%) Git (software)
2 18 (10.78%) Maven
3 17 (10.18%) Team Foundation Server
3 17 (10.18%) Visual Studio
4 16 (9.58%) JIRA
4 16 (9.58%) Selenium
5 14 (8.38%) JUnit
6 13 (7.78%) Cucumber
7 12 (7.19%) Ant
8 11 (6.59%) WebDriver
9 10 (5.99%) Gradle
9 10 (5.99%) Mockito
10 9 (5.39%) SQL Server Management Studio (SSMS)
11 6 (3.59%) Mocha
12 5 (2.99%) FishEye
12 5 (2.99%) Jenkins
13 4 (2.40%) Atlassian Bamboo
13 4 (2.40%) JBehave
13 4 (2.40%) Subversion
13 4 (2.40%) TeamCity
General
1 67 (40.12%) Finance
2 11 (6.59%) Online Betting
3 10 (5.99%) Advertising
4 9 (5.39%) Banking
5 8 (4.79%) Retail
6 3 (1.80%) German Language
6 3 (1.80%) Marketing
7 2 (1.20%) French Language
7 2 (1.20%) Hungarian Language
7 2 (1.20%) Investment Banking
7 2 (1.20%) Italian Language
7 2 (1.20%) Legal
7 2 (1.20%) Multimedia
7 2 (1.20%) Norwegian Language
7 2 (1.20%) Polish Language
7 2 (1.20%) Portuguese Language
7 2 (1.20%) Publishing
7 2 (1.20%) Retail Banking
7 2 (1.20%) Spanish Language
7 2 (1.20%) Swedish Language
Job Titles
1 99 (59.28%) Developer
2 24 (14.37%) Java Developer
3 20 (11.98%) Senior Developer
4 19 (11.38%) Junior
5 14 (8.38%) .NET Developer
5 14 (8.38%) Software Engineer
5 14 (8.38%) SQL Developer
6 13 (7.78%) Junior Developer
7 12 (7.19%) Java Engineer
8 11 (6.59%) Senior Java Developer
8 11 (6.59%) Software Manager
9 10 (5.99%) Applications Engineer
9 10 (5.99%) Data Engineer
9 10 (5.99%) Front End Developer (Client-Side Developer)
9 10 (5.99%) Security Engineer
9 10 (5.99%) Senior Software Engineer
9 10 (5.99%) Web Developer
10 9 (5.39%) Senior Data Engineer
10 9 (5.39%) UI Developer
11 8 (4.79%) E-Commerce Manager
Libraries, Frameworks & Software Standards
1 102 (61.08%) HTML
2 79 (47.31%) Web Services
3 77 (46.11%) CSS
4 75 (44.91%) XML
5 62 (37.13%) jQuery
6 58 (34.73%) Ajax
7 56 (33.53%) AngularJS
8 53 (31.74%) .NET
9 51 (30.54%) REST
10 50 (29.94%) Node.js
11 44 (26.35%) HTML5
12 38 (22.75%) RESTful
12 38 (22.75%) SOAP
13 33 (19.76%) CSS3
14 26 (15.57%) ASP.NET
14 26 (15.57%) React
15 22 (13.17%) Spring
16 21 (12.57%) ASP.NET MVC
16 21 (12.57%) J2EE
16 21 (12.57%) Java EE
Miscellaneous
1 33 (19.76%) User Experience
2 20 (11.98%) Mobile App
3 17 (10.18%) Greenfield Project
4 16 (9.58%) Fintech
5 9 (5.39%) Computer Science
6 5 (2.99%) Client/Server
6 5 (2.99%) Management Information System
7 4 (2.40%) Mainframe
8 3 (1.80%) W3C
9 2 (1.20%) Social Media
9 2 (1.20%) Virtual Team
10 1 (0.60%) Algorithms
10 1 (0.60%) Analytical Skills
10 1 (0.60%) BYOD
10 1 (0.60%) Data Centre
10 1 (0.60%) Data Structures
10 1 (0.60%) Digital Media
10 1 (0.60%) Enterprise Cloud
10 1 (0.60%) Enterprise Software
10 1 (0.60%) Hybrid Cloud
Operating Systems
1 20 (11.98%) Windows
2 12 (7.19%) Linux
3 9 (5.39%) Android
4 8 (4.79%) Apple iOS
5 6 (3.59%) Unix
6 1 (0.60%) CentOS
6 1 (0.60%) Fedora
6 1 (0.60%) Mac OS X
6 1 (0.60%) Windows Server
6 1 (0.60%) Windows Server 2008
Processes & Methodologies
1 97 (58.08%) Agile Software Development
2 47 (28.14%) Software Engineering
3 39 (23.35%) MVC
4 32 (19.16%) Continuous Integration
5 30 (17.96%) Scrum
6 26 (15.57%) SOA
7 23 (13.77%) Continuous Delivery
7 23 (13.77%) Web Development
8 22 (13.17%) Business Intelligence
8 22 (13.17%) ETL
8 22 (13.17%) SDLC
8 22 (13.17%) TDD
9 21 (12.57%) Kanban
10 20 (11.98%) E-Commerce
11 19 (11.38%) BDD
11 19 (11.38%) OO
12 15 (8.98%) Responsive Web Design
13 14 (8.38%) DevOps
13 14 (8.38%) Mobile Application Development
13 14 (8.38%) Test Automation
Programming Languages
1 91 (54.49%) JavaScript
2 78 (46.71%) SQL
3 68 (40.72%) Java
4 41 (24.55%) C#
5 18 (10.78%) Groovy
5 18 (10.78%) PHP
6 17 (10.18%) Python
7 16 (9.58%) T-SQL
8 13 (7.78%) VB.NET
9 10 (5.99%) PowerShell
10 7 (4.19%) R
10 7 (4.19%) Ruby
11 5 (2.99%) Apple Swift
11 5 (2.99%) Data Analysis Expressions (DAX)
11 5 (2.99%) Objective-C
11 5 (2.99%) TypeScript
12 3 (1.80%) C++
13 2 (1.20%) Clojure
13 2 (1.20%) Scala
13 2 (1.20%) VBA
Qualifications
1 13 (7.78%) Degree
2 3 (1.80%) MCSA
2 3 (1.80%) Microsoft Certification
3 2 (1.20%) AAT
3 2 (1.20%) APMP
3 2 (1.20%) Computer Science Degree
3 2 (1.20%) ISTQB
3 2 (1.20%) Master's Degree
4 1 (0.60%) DV Cleared
4 1 (0.60%) Security Cleared
Quality Assurance & Compliance
1 11 (6.59%) QA
2 3 (1.80%) Data Quality
3 2 (1.20%) WAI
System Software
1 13 (7.78%) Docker
2 1 (0.60%) Active Directory
Systems Management
1 2 (1.20%) Kubernetes
2 1 (0.60%) Ansible
2 1 (0.60%) Opscode Chef
2 1 (0.60%) Packer
2 1 (0.60%) Puppet
2 1 (0.60%) Rundeck
2 1 (0.60%) Terraform
Vendors
1 43 (25.75%) Microsoft
2 12 (7.19%) Google
3 11 (6.59%) Oracle
4 9 (5.39%) Cognos
5 5 (2.99%) Atlassian
5 5 (2.99%) IBM
5 5 (2.99%) Xamarin
6 4 (2.40%) Red Hat
7 3 (1.80%) DevExpress
7 3 (1.80%) Telerik
8 2 (1.20%) Adobe
8 2 (1.20%) TSYS
9 1 (0.60%) Apigee
9 1 (0.60%) DoubleClick
9 1 (0.60%) F5
9 1 (0.60%) Salesforce.com
9 1 (0.60%) Sitecore
9 1 (0.60%) TIBCO
9 1 (0.60%) Vertica
9 1 (0.60%) WSO2