Period
to 17 February 2020

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 February 2020 with a comparison to the same period in the previous 2 years.

JSON
England > London
6 months to
17 Feb 2020
Same period 2019 Same period 2018
Rank 196 176 200
Rank change year-on-year -20 +24 -33
Permanent jobs citing JSON 925 1,279 1,277
As % of all permanent IT jobs advertised in London 1.82% 2.06% 1.83%
As % of the Libraries, Frameworks & Software Standards category 4.48% 5.06% 4.60%
Number of salaries quoted 700 990 1,023
London median annual salary £62,500 £62,500 £60,000
Median salary % change year-on-year - +4.17% -
10th Percentile £41,250 £41,250 £40,000
90th Percentile £95,000 £90,000 £84,550
England median annual salary £52,500 £55,000 £50,000
% change year-on-year -4.55% +10.00% +2.04%

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 20,669 25,296 27,738
As % of all permanent IT jobs advertised in London 40.75% 40.74% 39.81%
Number of salaries quoted 17,071 20,887 23,309
London median annual salary £70,000 £65,000 £60,000
Median salary % change year-on-year +7.69% +8.33% -
10th Percentile £41,962 £38,750 £37,500
90th Percentile £105,000 £95,000 £90,000
England median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +5.00% +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 17 February 2020.

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 February 2020. 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 +21 212 £70,000 -3.45% 40
West London +45 63 £57,500 +9.52% 34
South London -64 18 £42,500 -15.00% 9
East London +8 11 £44,135 -23.24% 9
JSON
England

For the 6 months to 17 February 2020, 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.

1 516 (55.78%) Agile Software Development
2 468 (50.59%) JavaScript
3 433 (46.81%) XML
4 432 (46.70%) REST
5 310 (33.51%) Git (software)
6 309 (33.41%) CSS
7 308 (33.30%) HTML
8 298 (32.22%) SQL
9 292 (31.57%) Java
10 257 (27.78%) Scrum
11 241 (26.05%) .NET
12 240 (25.95%) Finance
13 239 (25.84%) C#
14 214 (23.14%) DevOps
15 210 (22.70%) SOAP
16 190 (20.54%) Web Services
17 188 (20.32%) SQL Server
18 179 (19.35%) AWS
19 176 (19.03%) Microservices
20 175 (18.92%) RESTful
20 175 (18.92%) TDD
21 171 (18.49%) Docker
22 168 (18.16%) Python
22 168 (18.16%) MVC
23 157 (16.97%) JIRA
24 153 (16.54%) jQuery
25 150 (16.22%) Test Automation
26 145 (15.68%) Azure
27 142 (15.35%) Continuous Integration
28 137 (14.81%) Mentoring

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 68 (7.35%) Confluence
2 38 (4.11%) Apache
2 38 (4.11%) Apache Spark
3 35 (3.78%) EPiServer
4 30 (3.24%) CMS
5 26 (2.81%) SharePoint
6 23 (2.49%) IIS
7 20 (2.16%) Cloud Foundry
8 19 (2.05%) Tomcat
9 17 (1.84%) Elasticsearch
10 14 (1.51%) GeoServer
11 13 (1.41%) Mule
12 12 (1.30%) Anypoint
13 10 (1.08%) nginx
13 10 (1.08%) WordPress
14 8 (0.86%) SharePoint 2010
15 7 (0.76%) JBoss
15 7 (0.76%) Jetty
16 6 (0.65%) WebSphere
17 5 (0.54%) Umbraco
Applications
1 19 (2.05%) Microsoft Excel
2 8 (0.86%) Microsoft Office
3 7 (0.76%) Photoshop
4 5 (0.54%) Adobe XD
4 5 (0.54%) InVision
4 5 (0.54%) Zeplin
5 4 (0.43%) Adobe Illustrator
Business Applications
1 30 (3.24%) Magento
2 13 (1.41%) Dynamics CRM
2 13 (1.41%) NetSuite
3 6 (0.65%) Sparx Enterprise Architect
4 4 (0.43%) Oracle Applications
4 4 (0.43%) Oracle Cash Management
4 4 (0.43%) Oracle EBS
4 4 (0.43%) Oracle Payables
4 4 (0.43%) Oracle Procure-to-Pay
4 4 (0.43%) Oracle Subledger Accounting
5 2 (0.22%) Eikon
6 1 (0.11%) BusinessWorks
6 1 (0.11%) Distributed Ledger
6 1 (0.11%) JDE OneWorld
6 1 (0.11%) R3 Corda
6 1 (0.11%) Salesforce.com CRM
6 1 (0.11%) SAP Business One
6 1 (0.11%) Sentinel
6 1 (0.11%) Shopify
Cloud Services
1 179 (19.35%) AWS
2 145 (15.68%) Azure
3 77 (8.32%) GitHub
4 69 (7.46%) SaaS
5 50 (5.41%) Serverless
6 40 (4.32%) AWS Lambda
7 35 (3.78%) Amazon EC2
8 30 (3.24%) PaaS
9 28 (3.03%) GCP
10 27 (2.92%) IaaS
11 26 (2.81%) Amazon Kinesis
12 23 (2.49%) Amazon SQS
13 21 (2.27%) npm
13 21 (2.27%) OpenShift
14 19 (2.05%) Adobe Analytics
14 19 (2.05%) Google Analytics
15 18 (1.95%) Office 365
16 16 (1.73%) Amazon S3
17 15 (1.62%) Power Platform
18 13 (1.41%) AWS CodePipeline
Communications & Networking
1 68 (7.35%) HTTP
2 54 (5.84%) Internet
3 19 (2.05%) TCP/IP
4 17 (1.84%) DNS
4 17 (1.84%) Firewall
5 14 (1.51%) VPN
6 10 (1.08%) Intranet
7 5 (0.54%) HTTPS
7 5 (0.54%) Network Security
7 5 (0.54%) SSL
8 4 (0.43%) Cisco ASA
8 4 (0.43%) SAN
8 4 (0.43%) Skype
9 3 (0.32%) SSH
9 3 (0.32%) Wireshark
10 2 (0.22%) Cisco IOS
10 2 (0.22%) LAN
10 2 (0.22%) VLAN
10 2 (0.22%) VoIP
10 2 (0.22%) VPLS
Database & Business Intelligence
1 188 (20.32%) SQL Server
2 104 (11.24%) Relational Database
3 68 (7.35%) PostgreSQL
4 65 (7.03%) NoSQL
5 53 (5.73%) MongoDB
6 52 (5.62%) MySQL
7 50 (5.41%) Big Data
8 47 (5.08%) Amazon RDS
9 46 (4.97%) SQL Server 2012
10 41 (4.43%) Redis
11 40 (4.32%) Data Warehouse
12 36 (3.89%) RDBMS
13 33 (3.57%) SQL Server 2008
14 31 (3.35%) Apache Cassandra
15 25 (2.70%) SQL Server Integration Services
16 23 (2.49%) Hadoop
17 15 (1.62%) Power BI
18 14 (1.51%) Data Lake
19 12 (1.30%) Snowflake Schema
20 10 (1.08%) Amazon DynamoDB
Development Applications
1 310 (33.51%) Git (software)
2 157 (16.97%) JIRA
3 123 (13.30%) Jenkins
4 78 (8.43%) Visual Studio
5 52 (5.62%) Selenium
6 47 (5.08%) Atlassian Bamboo
6 47 (5.08%) Maven
7 43 (4.65%) Cucumber
7 43 (4.65%) Subversion
8 41 (4.43%) Bitbucket
9 36 (3.89%) JUnit
10 32 (3.46%) GitLab
10 32 (3.46%) TeamCity
11 31 (3.35%) Team Foundation Server
12 29 (3.14%) NUnit
13 22 (2.38%) SpecFlow
14 19 (2.05%) Octopus Deploy
15 18 (1.95%) webpack
16 17 (1.84%) Gradle
17 15 (1.62%) Mockito
General
1 240 (25.95%) Finance
2 58 (6.27%) Banking
3 50 (5.41%) Retail
4 39 (4.22%) Marketing
5 23 (2.49%) Games
6 19 (2.05%) Advertising
7 14 (1.51%) Multimedia
8 12 (1.30%) Legal
8 12 (1.30%) Retail Finance
9 10 (1.08%) Telecoms
10 8 (0.86%) Public Sector
10 8 (0.86%) Publishing
11 7 (0.76%) Law
12 6 (0.65%) Financial Institution
12 6 (0.65%) iGaming
12 6 (0.65%) Retail Banking
13 4 (0.43%) Back Office
13 4 (0.43%) General Ledger
14 3 (0.32%) Electronics
14 3 (0.32%) Manufacturing
Job Titles
1 524 (56.65%) Developer
2 158 (17.08%) Senior Developer
3 114 (12.32%) Java Developer
4 88 (9.51%) C# Developer
5 87 (9.41%) .NET Developer
6 75 (8.11%) Front End Developer (Client-Side Developer)
7 71 (7.68%) Analyst
8 66 (7.14%) C# .NET Developer
9 53 (5.73%) Software Engineer
10 52 (5.62%) React Developer
11 43 (4.65%) Architect
11 43 (4.65%) Full Stack Developer
12 41 (4.43%) Lead Developer
13 37 (4.00%) Consultant
14 36 (3.89%) JavaScript Developer
15 34 (3.68%) Senior Front-End Developer
16 27 (2.92%) Python Engineer
17 26 (2.81%) Magento Developer
18 24 (2.59%) Senior C# Developer
18 24 (2.59%) Senior Magento Developer
Libraries, Frameworks & Software Standards
1 433 (46.81%) XML
2 432 (46.70%) REST
3 309 (33.41%) CSS
4 308 (33.30%) HTML
5 241 (26.05%) .NET
6 210 (22.70%) SOAP
7 190 (20.54%) Web Services
8 175 (18.92%) RESTful
9 153 (16.54%) jQuery
10 125 (13.51%) Node.js
11 124 (13.41%) React
12 123 (13.30%) Spring
13 117 (12.65%) ASP.NET
14 104 (11.24%) AngularJS
15 96 (10.38%) HTML5
16 84 (9.08%) .NET Framework
17 74 (8.00%) XSLT
18 72 (7.78%) Redux
19 58 (6.27%) ASP.NET Web API
20 57 (6.16%) CSS3
Miscellaneous
1 90 (9.73%) User Experience
2 76 (8.22%) Analytical Skills
3 36 (3.89%) Self-Motivation
4 33 (3.57%) Mobile App
5 25 (2.70%) Enterprise Software
5 25 (2.70%) Management Information System
6 20 (2.16%) Client/Server
7 19 (2.05%) Data Structures
8 16 (1.73%) Algorithms
8 16 (1.73%) Greenfield Project
9 15 (1.62%) Reference Data
10 14 (1.51%) Linux Command Line
11 13 (1.41%) Reinsurance
12 12 (1.30%) Online Banking
13 10 (1.08%) Foreign Exchange (FX)
14 9 (0.97%) Analytical Mindset
14 9 (0.97%) Cloud Native
15 8 (0.86%) Semantic Web
16 7 (0.76%) Virtual Team
17 6 (0.65%) Private Cloud
Operating Systems
1 96 (10.38%) Linux
2 66 (7.14%) Windows
3 63 (6.81%) Android
4 62 (6.70%) Unix
5 46 (4.97%) Apple iOS
6 20 (2.16%) CentOS
6 20 (2.16%) Fedora
7 14 (1.51%) Windows 10
7 14 (1.51%) Windows Server
8 7 (0.76%) Mac OS
9 6 (0.65%) Windows 7
10 5 (0.54%) Windows Server 2012
11 2 (0.22%) Android TV
Processes & Methodologies
1 516 (55.78%) Agile Software Development
2 257 (27.78%) Scrum
3 214 (23.14%) DevOps
4 176 (19.03%) Microservices
5 175 (18.92%) TDD
6 168 (18.16%) MVC
7 150 (16.22%) Test Automation
8 142 (15.35%) Continuous Integration
9 137 (14.81%) Mentoring
10 126 (13.62%) Software Engineering
11 124 (13.41%) OO
12 106 (11.46%) Web Development
13 101 (10.92%) Analytics
14 98 (10.59%) Front End Development
15 92 (9.95%) Computer Science
16 85 (9.19%) BDD
17 76 (8.22%) User Stories
18 74 (8.00%) SDLC
19 71 (7.68%) Continuous Improvement
19 71 (7.68%) Fintech
Programming Languages
1 468 (50.59%) JavaScript
2 298 (32.22%) SQL
3 292 (31.57%) Java
4 239 (25.84%) C#
5 168 (18.16%) Python
6 65 (7.03%) PHP
7 63 (6.81%) PowerShell
8 49 (5.30%) Scala
9 45 (4.86%) ES6
9 45 (4.86%) Java 8
10 42 (4.54%) XPath
11 36 (3.89%) Ruby
12 30 (3.24%) Go
12 30 (3.24%) TypeScript
13 29 (3.14%) Shell Script
14 28 (3.03%) C
15 25 (2.70%) Kotlin
16 23 (2.49%) Bash Shell
16 23 (2.49%) PL/SQL
17 22 (2.38%) T-SQL
Qualifications
1 86 (9.30%) Degree
2 54 (5.84%) Computer Science Degree
3 9 (0.97%) AWS Certification
3 9 (0.97%) Master's Degree
4 5 (0.54%) Microsoft Certification
5 4 (0.43%) Numerate Degree
5 4 (0.43%) PMI Certification
6 3 (0.32%) Cisco Certification
6 3 (0.32%) MCSA
6 3 (0.32%) PMP
7 2 (0.22%) CCIE
7 2 (0.22%) CCNP
7 2 (0.22%) ISTQB
7 2 (0.22%) ISTQB Foundation Certification
7 2 (0.22%) PhD
7 2 (0.22%) Postgraduate
7 2 (0.22%) PRINCE2 Certification
8 1 (0.11%) CISA
8 1 (0.11%) CISSP
8 1 (0.11%) ITIL Certification
Quality Assurance & Compliance
1 105 (11.35%) QA
2 32 (3.46%) Data Quality
3 11 (1.19%) GDPR
3 11 (1.19%) SLA
4 6 (0.65%) PMO
5 5 (0.54%) ISO/IEC 27001
5 5 (0.54%) PCI DSS
5 5 (0.54%) Solvency II
6 1 (0.11%) WAI
System Software
1 171 (18.49%) Docker
2 15 (1.62%) Active Directory
3 4 (0.43%) Virtual Machines
4 2 (0.22%) LXC
4 2 (0.22%) Varnish
4 2 (0.22%) Virtual Desktop
5 1 (0.11%) Virtual Servers
5 1 (0.11%) VMware Infrastructure
Systems Management
1 105 (11.35%) Kubernetes
2 41 (4.43%) Puppet
3 39 (4.22%) Ansible
4 33 (3.57%) Opscode Chef
5 29 (3.14%) Terraform
6 16 (1.73%) Istio
7 14 (1.51%) Rancher
8 12 (1.30%) Kibana
9 10 (1.08%) Grafana
10 9 (0.97%) Prometheus
11 6 (0.65%) BladeLogic
11 6 (0.65%) Control-M
11 6 (0.65%) Microsoft Intune
12 4 (0.43%) HP Quality Center
13 3 (0.32%) CloudHub
14 2 (0.22%) FortiGate
14 2 (0.22%) logstash
14 2 (0.22%) Mesos
14 2 (0.22%) Packer
14 2 (0.22%) Salt
Vendors
1 123 (13.30%) Microsoft
2 79 (8.54%) Oracle
3 62 (6.70%) Google
4 56 (6.05%) Salesforce.com
5 41 (4.43%) MuleSoft
6 34 (3.68%) Atlassian
7 25 (2.70%) Adobe
8 23 (2.49%) IBM
9 20 (2.16%) Red Hat
10 19 (2.05%) TIBCO
11 18 (1.95%) Splunk
12 17 (1.84%) Tableau
13 16 (1.73%) Tealium
14 15 (1.62%) Jitterbit
15 13 (1.41%) Pega
16 12 (1.30%) SAP
17 11 (1.19%) HubSpot
18 7 (0.76%) Ensighten
19 6 (0.65%) Optimizely
19 6 (0.65%) Sparx