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 3 months to 24 June 2017 with a comparison to the same period in the previous 2 years.

JSON
London / City of London
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 144 175 155
Rank change year-on-year +31 -20  
Permanent jobs citing JSON 92 88 173
As % of all permanent IT jobs advertised in the City of London 1.79% 1.39% 1.67%
As % of the Libraries, Frameworks & Software Standards category 4.67% 3.35% 4.73%
Number of salaries quoted 82 84 149
Median salary £56,250 £60,000 £55,000
Median salary % change year-on-year -6.25% +9.09%  
90% offered a salary of more than £25,000 £40,000 £35,000
10% offered a salary of more than £79,000 £76,750 £70,000
UK excluding London median salary £45,000 £45,000 £40,000
% change year-on-year - +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 the City of London with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
City of London
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 1968 2629 3659
As % of all permanent IT job vacancies advertised in the City of London 38.24% 41.41% 35.22%
Number of salaries quoted 1730 2372 3204
Median salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.34% +4.54%  
90% offered a salary of more than £42,500 £40,000 £37,500
10% offered a salary of more than £80,000 £75,000 £75,000
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year +6.25% -  

JSON
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of 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 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 3 months to 24 June 2017.

Salary histogram for JSON in the City of London

For the 6 months to 24 June 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.

1 111 (61.33%) JavaScript
2 107 (59.12%) HTML
3 104 (57.46%) Agile Software Development
4 84 (46.41%) CSS
5 79 (43.65%) REST
6 77 (42.54%) XML
7 70 (38.67%) SQL
8 68 (37.57%) Finance
9 65 (35.91%) jQuery
10 60 (33.15%) AngularJS
11 57 (31.49%) SOAP
12 56 (30.94%) C#
13 55 (30.39%) Java
14 52 (28.73%) .NET
15 50 (27.62%) SQL Server
15 50 (27.62%) Git (software)
16 47 (25.97%) HTML5
17 44 (24.31%) Web Development
18 41 (22.65%) Ajax
18 41 (22.65%) Web Services
19 37 (20.44%) Scrum
20 36 (19.89%) TDD
20 36 (19.89%) CSS3
21 33 (18.23%) NoSQL
22 32 (17.68%) Front End Development
23 30 (16.57%) Test Automation
23 30 (16.57%) Spring
24 29 (16.02%) MVC
24 29 (16.02%) User Experience
25 28 (15.47%) RESTful

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 21 (11.60%) WebSphere
2 18 (9.94%) CMS
3 17 (9.39%) JBoss
4 12 (6.63%) Apache TomEE
4 12 (6.63%) Umbraco
5 8 (4.42%) Apache Spark
5 8 (4.42%) IIS
6 6 (3.31%) Alfresco
6 6 (3.31%) SharePoint
7 5 (2.76%) WebLogic
7 5 (2.76%) WebSphere Application Server
8 4 (2.21%) IBM Domino
8 4 (2.21%) Sitefinity
9 3 (1.66%) Adobe Experience Manager
10 2 (1.10%) Apache
10 2 (1.10%) Confluence
10 2 (1.10%) NServiceBus
11 1 (0.55%) Sitecore CMS
11 1 (0.55%) Tomcat
11 1 (0.55%) WordPress
Applications
1 5 (2.76%) Microsoft Excel
1 5 (2.76%) Photoshop
2 4 (2.21%) Adobe Illustrator
2 4 (2.21%) OmniGraffle
3 3 (1.66%) Microsoft Office
4 1 (0.55%) Adobe Creative Suite
4 1 (0.55%) InfoPath
4 1 (0.55%) InVision
4 1 (0.55%) MS Visio
Business Applications
1 1 (0.55%) Cognos Business Intelligence
1 1 (0.55%) Dynamics CRM
Cloud Services
1 27 (14.92%) GitHub
2 17 (9.39%) Microsoft Azure
3 11 (6.08%) SaaS
4 8 (4.42%) Amazon AWS
4 8 (4.42%) Force.com
4 8 (4.42%) Salesforce Service Cloud
5 4 (2.21%) Basecamp
6 2 (1.10%) Cloud Computing
6 2 (1.10%) Google Cloud Platform
6 2 (1.10%) IaaS
7 1 (0.55%) Amazon S3
7 1 (0.55%) CloudFront
7 1 (0.55%) PaaS
7 1 (0.55%) Route 53
Communications & Networking
1 27 (14.92%) HTTP
2 6 (3.31%) Internet
3 2 (1.10%) DNS
3 2 (1.10%) SSL
4 1 (0.55%) FTP
4 1 (0.55%) VPN
4 1 (0.55%) Wi-Fi
Database & Business Intelligence
1 50 (27.62%) SQL Server
2 33 (18.23%) NoSQL
3 17 (9.39%) Relational Database
4 13 (7.18%) Big Data
4 13 (7.18%) SQL Server 2014
5 11 (6.08%) SQL Server Integration Services
6 8 (4.42%) Apache Hive
6 8 (4.42%) Hadoop
7 5 (2.76%) MongoDB
7 5 (2.76%) RDBMS
7 5 (2.76%) SQL Server 2008
8 4 (2.21%) MySQL
9 3 (1.66%) Redis
10 2 (1.10%) PostgreSQL
10 2 (1.10%) SQL Server 2012
11 1 (0.55%) Azure SQL Database
11 1 (0.55%) Business Intelligence Development Studio
11 1 (0.55%) DocumentDB
11 1 (0.55%) MarkLogic
11 1 (0.55%) SQL Server Reporting Services
Development Applications
1 50 (27.62%) Git (software)
2 25 (13.81%) Maven
3 24 (13.26%) Selenium
4 22 (12.15%) JIRA
5 20 (11.05%) Jenkins
6 18 (9.94%) Visual Studio
7 17 (9.39%) Cucumber
8 15 (8.29%) Gradle
8 15 (8.29%) JUnit
8 15 (8.29%) WebDriver
9 14 (7.73%) Ant
10 12 (6.63%) Mockito
11 11 (6.08%) TeamCity
12 10 (5.52%) Appium
13 9 (4.97%) Robolectric
13 9 (4.97%) Robotium
13 9 (4.97%) UI Automator
14 7 (3.87%) GitLab
15 6 (3.31%) gulp
15 6 (3.31%) Subversion
General
1 68 (37.57%) Finance
2 26 (14.36%) Advertising
3 16 (8.84%) Banking
4 9 (4.97%) Marketing
5 7 (3.87%) Legal
6 3 (1.66%) Front Office
6 3 (1.66%) Investment Banking
6 3 (1.66%) Retail
7 2 (1.10%) Financial Institution
7 2 (1.10%) Games
7 2 (1.10%) German Language
7 2 (1.10%) Multimedia
7 2 (1.10%) Polish Language
8 1 (0.55%) French Language
8 1 (0.55%) Hungarian Language
8 1 (0.55%) Italian Language
8 1 (0.55%) Norwegian Language
8 1 (0.55%) Portuguese Language
8 1 (0.55%) Spanish Language
8 1 (0.55%) Swedish Language
Job Titles
1 135 (74.59%) Developer
2 30 (16.57%) Java Developer
3 25 (13.81%) JavaScript Developer
4 24 (13.26%) Senior Developer
4 24 (13.26%) Web Developer
5 23 (12.71%) Front End Developer (Client-Side Developer)
6 17 (9.39%) Senior Java Developer
7 15 (8.29%) Junior
7 15 (8.29%) Junior Developer
8 14 (7.73%) Architect
9 11 (6.08%) .NET Developer
9 11 (6.08%) C# Developer
9 11 (6.08%) Test Engineer
10 10 (5.52%) Salesforce Developer
11 9 (4.97%) Front End Web Developer (Client-Side Developer)
11 9 (4.97%) Junior Web Developer
11 9 (4.97%) Mobile Developer
11 9 (4.97%) Mobile Engineer
12 8 (4.42%) Angular Developer
13 7 (3.87%) XAML Developer
Libraries, Frameworks & Software Standards
1 107 (59.12%) HTML
2 84 (46.41%) CSS
3 79 (43.65%) REST
4 77 (42.54%) XML
5 65 (35.91%) jQuery
6 60 (33.15%) AngularJS
7 57 (31.49%) SOAP
8 52 (28.73%) .NET
9 47 (25.97%) HTML5
10 41 (22.65%) Ajax
10 41 (22.65%) Web Services
11 36 (19.89%) CSS3
12 30 (16.57%) Spring
13 28 (15.47%) RESTful
14 21 (11.60%) Hibernate
15 19 (10.50%) React
16 18 (9.94%) Node.js
17 15 (8.29%) Sass
18 14 (7.73%) .NET Framework
18 14 (7.73%) Twitter Bootstrap
Miscellaneous
1 29 (16.02%) User Experience
2 21 (11.60%) Mobile App
3 16 (8.84%) Computer Science
4 12 (6.63%) Greenfield Project
5 11 (6.08%) Fintech
6 9 (4.97%) Analytical Skills
7 4 (2.21%) Foreign Exchange (FX)
8 3 (1.66%) Derivative
8 3 (1.66%) Enterprise Software
9 2 (1.10%) Algorithms
9 2 (1.10%) Augmented Reality
9 2 (1.10%) Blog
9 2 (1.10%) Clustering
9 2 (1.10%) Data Centre
9 2 (1.10%) Data Structures
9 2 (1.10%) Digital Media
9 2 (1.10%) Equities
9 2 (1.10%) Graphic Design
9 2 (1.10%) Social Media
9 2 (1.10%) SWIFT
Operating Systems
1 25 (13.81%) Apple iOS
2 23 (12.71%) Android
3 19 (10.50%) Windows
4 11 (6.08%) Linux
5 7 (3.87%) Windows Phone
6 5 (2.76%) Unix
7 4 (2.21%) Windows Server 2012
8 2 (1.10%) Windows Server
9 1 (0.55%) CentOS
9 1 (0.55%) Fedora
Processes & Methodologies
1 104 (57.46%) Agile Software Development
2 44 (24.31%) Web Development
3 37 (20.44%) Scrum
4 36 (19.89%) TDD
5 32 (17.68%) Front End Development
6 30 (16.57%) Test Automation
7 29 (16.02%) MVC
8 23 (12.71%) Open Source
9 22 (12.15%) BDD
9 22 (12.15%) Continuous Integration
9 22 (12.15%) Mobile Development
10 18 (9.94%) DevOps
10 18 (9.94%) Kanban
10 18 (9.94%) Software Engineering
11 17 (9.39%) Analytics
12 16 (8.84%) Investment Management
13 15 (8.29%) Continuous Delivery
14 14 (7.73%) SOA
15 13 (7.18%) Data Integration
15 13 (7.18%) UML
Programming Languages
1 111 (61.33%) JavaScript
2 70 (38.67%) SQL
3 56 (30.94%) C#
4 55 (30.39%) Java
5 17 (9.39%) PHP
6 16 (8.84%) Python
7 10 (5.52%) VB.NET
8 8 (4.42%) Apex Code
8 8 (4.42%) Objective-C
8 8 (4.42%) XAML
9 7 (3.87%) Ruby
9 7 (3.87%) SOQL
10 6 (3.31%) Apple Swift
10 6 (3.31%) T-SQL
11 5 (2.76%) VBA
12 3 (1.66%) PowerShell
12 3 (1.66%) Scala
12 3 (1.66%) TypeScript
13 2 (1.10%) ECMAScript
13 2 (1.10%) SOSL
Qualifications
1 26 (14.36%) Degree
2 11 (6.08%) Computer Science Degree
3 8 (4.42%) Security Cleared
4 4 (2.21%) Master's Degree
4 4 (2.21%) MCP
5 2 (1.10%) ISTQB
6 1 (0.55%) APMP
6 1 (0.55%) MCSA
6 1 (0.55%) Microsoft Certification
6 1 (0.55%) Numerate Degree
Quality Assurance & Compliance
1 25 (13.81%) QA
2 8 (4.42%) Sarbanes-Oxley
3 4 (2.21%) MiFID
4 2 (1.10%) Dodd-Frank
4 2 (1.10%) PCI DSS
5 1 (0.55%) Section 508
5 1 (0.55%) WCAG
System Software
1 2 (1.10%) Docker
2 1 (0.55%) Apache ZooKeeper
2 1 (0.55%) Virtual Machines
2 1 (0.55%) VMware Infrastructure
Systems Management
1 5 (2.76%) Piwik
2 2 (1.10%) Ansible
2 2 (1.10%) Opscode Chef
2 2 (1.10%) Puppet
Vendors
1 26 (14.36%) Microsoft
2 13 (7.18%) Oracle
3 11 (6.08%) Xamarin
4 10 (5.52%) Salesforce.com
5 8 (4.42%) Apigee
6 5 (2.76%) Pardot
7 4 (2.21%) Adobe
7 4 (2.21%) IBM
8 3 (1.66%) Google
9 2 (1.10%) Apple
9 2 (1.10%) Atlassian
9 2 (1.10%) FXall
9 2 (1.10%) Informatica
9 2 (1.10%) Perforce
9 2 (1.10%) Reuters
9 2 (1.10%) SAP
9 2 (1.10%) Sybase
9 2 (1.10%) TIBCO
9 2 (1.10%) webMethods
9 2 (1.10%) Zend
City, Edinburgh
Recruitment Genius
Posted: Yesterday
City, Edinburgh
Recruitment Genius
Posted: Yesterday
City, London
Senitor Associates
Salary: £40000 - £45000 per annum + Excellent Benefits Package
Posted: Yesterday
City, London
Senitor Associates
Salary: Excellent Benefits Package
Posted: Yesterday
City, London
Nigel Frank International Ltd
Salary: £50000 - £60000 per annum
Posted: Yesterday
City, London
ANSON MCCADE
Salary: £55,000 - £80,000 + package
Posted: Yesterday
City, London
Understanding Recruitment
Salary: £50000 - £55000 per annum
Posted: 5 days ago
City, London
Deerfoot IT Resources Ltd
Salary: £40000 - £50000 per annum
Posted: 2 days ago
City, London
Coded People
Salary: £45000 - £50000 per annum
Posted: 4 days ago
City, London
RS Innovations
Salary: From £45,000 to £55,000 per annum pension, 26 days holiday, Income Pro
Posted: 4 days ago
City, London
DCS Recruitment
Salary: £40000 - £90000 per annum
Posted: 3 days ago
City, London
Deerfoot IT Resources Ltd
Salary: £40000 - £55000 per annum
Posted: 2 days ago
City, London
Evolution Recruitment Solutions
Salary: Excellent Salary + Benefits
Posted: 4 days ago
City, London
Harrington Starr
Salary: £55000 - £65000 per annum + bonus and benefits
Posted: 3 days ago
City, London
Staffworx Ltd
Salary: excellent salary, bonus, bens
Posted: 3 days ago
City, London
Bonobo
Posted: 17 days ago
City, London
ANSON MCCADE
Salary: £45,000-£80,000
Posted: 4 days ago
City, London
ANSON MCCADE
Salary: UKP 55000 per year
Posted: Yesterday
City Of Westminster, London
Recruitment Genius
Posted: 16 days ago
City, London
Harvey Nash plc
Salary: £50000 - £65000 per annum + Bonus and Benefits Package
Posted: 3 days ago
City, London
Accenture
Salary: From £34,000 to £56,000 per annum
Posted: 12 days ago
City of London
Deerfoot IT Resources Ltd
Salary: £40000 - £50000 per annum
Posted: 11 days ago
City of London
greywood
Salary: £34000 - £42000 per annum + bens & bonus
Posted: 23 days ago
City, London
Accenture
Salary: From £34,000 to £47,000 per annum
Posted: 12 days ago
City, London
Accenture
Salary: From £31,424 to £36,725 per annum
Posted: 12 days ago
City of London
Talent Point
Salary: £50000.00 - £60000.00 per annum
Posted: 17 days ago
City of London
Robert Walters UK
Salary: £80000 - £95000 per annum
Posted: 13 days ago