Period
to 21 April 2019

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 21 April 2019 with a comparison to the same period in the previous 2 years.

JSON
England > London
6 months to
21 Apr 2019
Same period 2018 Same period 2017
Rank 172 196 175
Rank change year-on-year +24 -21 -38
Permanent jobs citing JSON 1,228 1,257 1,427
As % of all permanent IT jobs advertised in London 2.02% 1.80% 2.08%
As % of the Libraries, Frameworks & Software Standards category 5.05% 4.49% 5.16%
Number of salaries quoted 924 946 1,165
London median annual salary £62,500 £60,000 £57,500
Median salary % change year-on-year +4.17% +4.35% +4.55%
10th Percentile £41,250 £37,500 £37,500
90th Percentile £92,425 £88,750 £81,250
England median annual salary £55,000 £50,000 £47,500
% change year-on-year +10.00% +5.26% -

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 24,302 28,012 27,632
As % of all permanent IT jobs advertised in London 40.03% 40.01% 40.28%
Number of salaries quoted 20,155 23,466 23,843
London median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - +9.09%
10th Percentile £38,750 £37,500 £35,750
90th Percentile £95,000 £91,250 £87,500
England median annual salary £53,000 £50,000 £47,500
% change year-on-year +6.00% +5.26% -

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 21 April 2019.

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 21 April 2019. 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 -33 187 £75,000 +25.00% 12
South London +25 79 £42,500 -10.53% 4
West London +22 30 £50,000 +25.00% 3
North London +18 7 £45,000 +21.62%
East London +4 5 £47,500 -22.45% 1
JSON
England

For the 6 months to 21 April 2019, IT jobs citing JSON also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the London region with a requirement for JSON.

1 687 (55.94%) Agile Software Development
2 611 (49.76%) JavaScript
3 534 (43.49%) XML
4 524 (42.67%) SQL
5 482 (39.25%) HTML
6 472 (38.44%) .NET
7 462 (37.62%) REST
8 448 (36.48%) Java
9 425 (34.61%) C#
10 407 (33.14%) CSS
11 393 (32.00%) Git (software)
12 343 (27.93%) Web Services
13 318 (25.90%) SQL Server
14 276 (22.48%) TDD
14 276 (22.48%) Test Automation
15 271 (22.07%) Finance
16 268 (21.82%) DevOps
17 257 (20.93%) Continuous Integration
18 252 (20.52%) MVC
19 246 (20.03%) Microsoft Azure
20 244 (19.87%) SOAP
21 240 (19.54%) AngularJS
22 229 (18.65%) Scrum
23 227 (18.49%) jQuery
24 222 (18.08%) Linux
24 222 (18.08%) Microsoft
25 202 (16.45%) RESTful
26 201 (16.37%) Jenkins
27 198 (16.12%) BDD
28 196 (15.96%) HTML5

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 91 (7.41%) IIS
2 55 (4.48%) Elasticsearch
3 53 (4.32%) SharePoint
4 41 (3.34%) WebSphere
5 39 (3.18%) Apache
6 37 (3.01%) JBoss
7 36 (2.93%) Confluence
8 34 (2.77%) BizTalk Server
9 32 (2.61%) CMS
10 28 (2.28%) Drupal
11 26 (2.12%) Apache Spark
12 25 (2.04%) Apache Solr
13 16 (1.30%) Tomcat
14 13 (1.06%) Cloud Foundry
15 11 (0.90%) OpenStack
16 10 (0.81%) SharePoint Server
16 10 (0.81%) WordPress
17 9 (0.73%) Adobe Experience Manager
17 9 (0.73%) Mule
17 9 (0.73%) Oracle SOA Suite
Applications
1 34 (2.77%) Microsoft Excel
2 23 (1.87%) Microsoft Office
3 19 (1.55%) MS Visio
4 12 (0.98%) Microsoft Project
5 4 (0.33%) Adobe Creative Suite
5 4 (0.33%) Notepad++
6 2 (0.16%) Adobe Illustrator
6 2 (0.16%) Chatbot
6 2 (0.16%) Photoshop
7 1 (0.081%) Adobe After Effects
7 1 (0.081%) HipChat
Business Applications
1 53 (4.32%) Dynamics CRM
2 21 (1.71%) Magento
3 6 (0.49%) NetSuite
4 4 (0.33%) SAP Hybris
5 3 (0.24%) JDE OneWorld
5 3 (0.24%) Oracle BPM
6 2 (0.16%) Adobe Campaign
6 2 (0.16%) Oracle Retail
6 2 (0.16%) Payment Gateway
7 1 (0.081%) Distributed Ledger
7 1 (0.081%) Dynamics AX
7 1 (0.081%) Eagle PACE
7 1 (0.081%) Markit EDM
7 1 (0.081%) Oracle CRM
Cloud Services
1 246 (20.03%) Microsoft Azure
2 173 (14.09%) Amazon AWS
3 67 (5.46%) PaaS
4 62 (5.05%) GitHub
5 55 (4.48%) Serverless
6 51 (4.15%) SaaS
7 50 (4.07%) IaaS
8 34 (2.77%) npm
9 28 (2.28%) AWS CloudFormation
10 26 (2.12%) Azure Data Factory
11 25 (2.04%) AWS Lambda
12 24 (1.95%) Google Cloud Platform
13 23 (1.87%) Azure Active Directory
14 22 (1.79%) Amazon Kinesis
15 20 (1.63%) Amazon SQS
15 20 (1.63%) Dynamics 365
16 19 (1.55%) Azure Functions
17 17 (1.38%) OpenShift
18 15 (1.22%) Amazon ElastiCache
18 15 (1.22%) Apigee
Communications & Networking
1 54 (4.40%) HTTP
2 27 (2.20%) Firewall
3 24 (1.95%) Internet
4 22 (1.79%) HTTPS
5 17 (1.38%) Cisco ASA
6 15 (1.22%) WAN
7 14 (1.14%) Remote Desktop
8 13 (1.06%) SSH
9 12 (0.98%) Intranet
10 11 (0.90%) SSL
11 9 (0.73%) Bluetooth
11 9 (0.73%) Skype
11 9 (0.73%) VPN
12 7 (0.57%) DNS
12 7 (0.57%) Network Security
13 6 (0.49%) BGP
13 6 (0.49%) GoToMeeting
13 6 (0.49%) OSPF
14 5 (0.41%) Wi-Fi
14 5 (0.41%) Wireless
Database & Business Intelligence
1 318 (25.90%) SQL Server
2 112 (9.12%) NoSQL
2 112 (9.12%) Relational Database
3 111 (9.04%) MySQL
4 84 (6.84%) PostgreSQL
5 78 (6.35%) MongoDB
6 71 (5.78%) SQL Server Integration Services
7 64 (5.21%) Azure SQL Database
7 64 (5.21%) Big Data
8 56 (4.56%) SQL Server Reporting Services
9 53 (4.32%) Data Warehouse
10 46 (3.75%) Hadoop
11 34 (2.77%) RDBMS
12 33 (2.69%) Data Lake
13 27 (2.20%) Apache Cassandra
14 26 (2.12%) Power BI
15 25 (2.04%) Redis
16 21 (1.71%) Amazon DynamoDB
17 16 (1.30%) SQL Server 2012
18 13 (1.06%) HBase
Development Applications
1 393 (32.00%) Git (software)
2 201 (16.37%) Jenkins
3 104 (8.47%) Cucumber
4 97 (7.90%) JIRA
4 97 (7.90%) JUnit
5 92 (7.49%) Selenium
5 92 (7.49%) Visual Studio
6 86 (7.00%) Subversion
7 80 (6.51%) Maven
8 77 (6.27%) NUnit
8 77 (6.27%) TeamCity
9 74 (6.03%) Team Foundation Server
10 63 (5.13%) SpecFlow
11 60 (4.89%) Bitbucket Server
12 58 (4.72%) Visual Studio Team System
13 39 (3.18%) Ant
13 39 (3.18%) Atlassian Bamboo
13 39 (3.18%) gulp
14 37 (3.01%) Grunt
15 35 (2.85%) Gradle
General
1 271 (22.07%) Finance
2 131 (10.67%) Banking
3 99 (8.06%) Retail
4 52 (4.23%) Marketing
5 39 (3.18%) Games
6 27 (2.20%) Legal
7 24 (1.95%) Advertising
8 23 (1.87%) Law
9 20 (1.63%) Telecoms
10 15 (1.22%) Manufacturing
11 14 (1.14%) Billing
11 14 (1.14%) Electronics
11 14 (1.14%) Investment Banking
11 14 (1.14%) Publishing
12 11 (0.90%) Back Office
12 11 (0.90%) Front Office
13 10 (0.81%) Financial Institution
14 9 (0.73%) Retail Finance
15 7 (0.57%) Retail Banking
16 5 (0.41%) Automotive
Job Titles
1 641 (52.20%) Developer
2 169 (13.76%) Architect
3 128 (10.42%) .NET Developer
4 116 (9.45%) Java Developer
5 109 (8.88%) Senior Developer
6 102 (8.31%) Software Developer
7 96 (7.82%) C# Developer
7 96 (7.82%) Software Engineer
8 67 (5.46%) Analyst
9 60 (4.89%) JavaScript Developer
10 58 (4.72%) Full Stack Developer
11 54 (4.40%) Developer in Test
12 51 (4.15%) C# .NET Developer
13 50 (4.07%) Java Engineer
14 48 (3.91%) Applications Developer
15 44 (3.58%) Lead Developer
16 42 (3.42%) Java Software Developer
17 40 (3.26%) Java Software Engineer
17 40 (3.26%) Solutions Architect
18 38 (3.09%) Front End Developer (Client-Side Developer)
Libraries, Frameworks & Software Standards
1 534 (43.49%) XML
2 482 (39.25%) HTML
3 472 (38.44%) .NET
4 462 (37.62%) REST
5 407 (33.14%) CSS
6 343 (27.93%) Web Services
7 244 (19.87%) SOAP
8 240 (19.54%) AngularJS
9 227 (18.49%) jQuery
10 202 (16.45%) RESTful
11 196 (15.96%) HTML5
12 175 (14.25%) ASP.NET
13 158 (12.87%) Spring
14 148 (12.05%) Node.js
15 138 (11.24%) ASP.NET Web API
16 130 (10.59%) React
16 130 (10.59%) Twitter Bootstrap
17 126 (10.26%) .NET Framework
18 103 (8.39%) CSS3
19 98 (7.98%) Ajax
Miscellaneous
1 109 (8.88%) Analytical Skills
2 93 (7.57%) User Experience
3 68 (5.54%) Algorithms
4 62 (5.05%) Self-Motivation
5 60 (4.89%) Fintech
5 60 (4.89%) Mobile App
6 56 (4.56%) Data Structures
7 43 (3.50%) Greenfield Project
8 39 (3.18%) Social Media
9 36 (2.93%) Enterprise Software
10 27 (2.20%) Data Centre
11 21 (1.71%) Foreign Exchange (FX)
12 20 (1.63%) Hedge funds
12 20 (1.63%) PKI
13 19 (1.55%) Management Information System
14 15 (1.22%) Virtual Team
15 14 (1.14%) Fixed Income
16 13 (1.06%) Clustering
17 12 (0.98%) SWIFT
18 11 (0.90%) Online Banking
Operating Systems
1 222 (18.08%) Linux
2 190 (15.47%) Windows
3 67 (5.46%) Apple iOS
4 42 (3.42%) Android
5 41 (3.34%) Unix
6 30 (2.44%) Windows Server
7 19 (1.55%) Red Hat Enterprise Linux
8 11 (0.90%) CentOS
8 11 (0.90%) Fedora
9 9 (0.73%) FreeBSD
10 6 (0.49%) Windows NT
11 4 (0.33%) Windows 10
12 3 (0.24%) Mac OS
12 3 (0.24%) Windows 7
13 1 (0.081%) Windows 8
13 1 (0.081%) Windows Server 2008
Processes & Methodologies
1 687 (55.94%) Agile Software Development
2 276 (22.48%) TDD
2 276 (22.48%) Test Automation
3 268 (21.82%) DevOps
4 257 (20.93%) Continuous Integration
5 252 (20.52%) MVC
6 229 (18.65%) Scrum
7 198 (16.12%) BDD
8 179 (14.58%) SDLC
9 177 (14.41%) OO
10 150 (12.21%) Problem-Solving
11 146 (11.89%) Unit Testing
12 145 (11.81%) Microservices
13 139 (11.32%) Analytics
14 133 (10.83%) Web Development
15 132 (10.75%) Software Engineering
16 131 (10.67%) Project Management
17 130 (10.59%) Computer Science
18 118 (9.61%) Open Source
19 111 (9.04%) E-Commerce
Programming Languages
1 611 (49.76%) JavaScript
2 524 (42.67%) SQL
3 448 (36.48%) Java
4 425 (34.61%) C#
5 194 (15.80%) Python
6 160 (13.03%) PowerShell
7 118 (9.61%) PHP
8 65 (5.29%) Bash Shell
9 57 (4.64%) ES6
10 48 (3.91%) PL/SQL
11 47 (3.83%) C++
12 43 (3.50%) Java 8
13 42 (3.42%) TypeScript
13 42 (3.42%) VB.NET
14 41 (3.34%) Scala
15 40 (3.26%) Ruby
16 31 (2.52%) T-SQL
17 30 (2.44%) Apple Swift
18 23 (1.87%) Shell Script
19 22 (1.79%) VBA
Qualifications
1 192 (15.64%) Degree
2 36 (2.93%) Computer Science Degree
3 32 (2.61%) Security Cleared
4 28 (2.28%) SC Cleared
5 10 (0.81%) Microsoft Certification
6 8 (0.65%) Master's Degree
7 6 (0.49%) Cisco Certification
7 6 (0.49%) Numerate Degree
8 5 (0.41%) ISTQB
9 4 (0.33%) AWS Certification
9 4 (0.33%) CISSP
9 4 (0.33%) MCSA
9 4 (0.33%) MCSE
10 3 (0.24%) CCIE
10 3 (0.24%) CCMSE
10 3 (0.24%) CCNP
10 3 (0.24%) MCP
10 3 (0.24%) PhD
10 3 (0.24%) Postgraduate
11 2 (0.16%) OCP
Quality Assurance & Compliance
1 109 (8.88%) QA
2 14 (1.14%) Data Quality
2 14 (1.14%) GDPR
3 7 (0.57%) PMO
4 6 (0.49%) MiFID
5 4 (0.33%) HIPAA
6 2 (0.16%) EMIR
6 2 (0.16%) IFRS
6 2 (0.16%) IFRS 9
6 2 (0.16%) SLA
7 1 (0.081%) ISO 20022
7 1 (0.081%) PCI DSS
7 1 (0.081%) PSD2
7 1 (0.081%) TickIT
7 1 (0.081%) WCAG
System Software
1 118 (9.61%) Docker
2 88 (7.17%) Active Directory
3 17 (1.38%) VMware Infrastructure
4 14 (1.14%) XenApp
4 14 (1.14%) XenDesktop
5 8 (0.65%) Varnish
6 6 (0.49%) Hyper-V
6 6 (0.49%) vSphere
7 4 (0.33%) Apache ZooKeeper
7 4 (0.33%) Virtual Machines
8 3 (0.24%) XenServer
9 2 (0.16%) Apache Flume
10 1 (0.081%) HDFS
10 1 (0.081%) LXC
10 1 (0.081%) zsh
Systems Management
1 64 (5.21%) Kubernetes
2 36 (2.93%) Ansible
2 36 (2.93%) Opscode Chef
3 31 (2.52%) Puppet
4 22 (1.79%) Terraform
5 14 (1.14%) FortiGate
6 12 (0.98%) Control-M
7 9 (0.73%) Rundeck
8 7 (0.57%) Single Sign-On
9 4 (0.33%) Marathon
9 4 (0.33%) Mesos
9 4 (0.33%) QRadar
9 4 (0.33%) Tivoli
9 4 (0.33%) Tivoli Identity Manager
10 3 (0.24%) Hadoop YARN
10 3 (0.24%) HP Data Protector
10 3 (0.24%) Microsoft Intune
10 3 (0.24%) Nagios
10 3 (0.24%) NetBackup
11 2 (0.16%) HP SiteScope
Vendors
1 222 (18.08%) Microsoft
2 142 (11.56%) Oracle
3 40 (3.26%) Splunk
4 31 (2.52%) Cisco
4 31 (2.52%) Google
5 28 (2.28%) Salesforce.com
6 26 (2.12%) Atlassian
7 25 (2.04%) AppDynamics
8 24 (1.95%) Bloomberg
8 24 (1.95%) MuleSoft
9 23 (1.87%) IBM
9 23 (1.87%) SAP
10 21 (1.71%) Reuters
11 20 (1.63%) CheckPoint
12 18 (1.47%) Red Hat
13 17 (1.38%) VMware
14 16 (1.30%) Apple
15 15 (1.22%) Adobe
16 14 (1.14%) Citrix
16 14 (1.14%) Sitecore