Period
to 23 October 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 23 October 2020 with a comparison to the same period in the previous 2 years.

JSON
England > London
6 months to
23 Oct 2020
Same period 2019 Same period 2018
Rank 171 203 188
Rank change year-on-year +32 -15 -6
Permanent jobs citing JSON 389 957 1,318
As % of all permanent jobs advertised in London 1.97% 1.75% 1.94%
As % of the Libraries, Frameworks & Software Standards category 4.34% 4.47% 4.72%
Number of salaries quoted 336 766 1,090
Median annual salary £70,000 £65,000 £65,000
Median salary % change year-on-year +7.69% - +8.33%
10th Percentile £46,625 £41,250 £41,250
90th Percentile £95,000 £95,000 £88,875
England median annual salary £55,000 £52,500 £52,500
% change year-on-year +4.76% - +9.38%

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 8,961 21,393 27,910
As % of all permanent IT jobs advertised in London 45.36% 39.23% 41.01%
Number of salaries quoted 7,713 17,841 22,810
Median annual salary £70,000 £67,500 £65,000
Median salary % change year-on-year +3.70% +3.85% +8.33%
10th Percentile £46,250 £41,250 £37,500
90th Percentile £112,500 £100,000 £95,000
England median annual salary £57,500 £55,000 £52,500
% change year-on-year +4.55% +4.76% +5.00%

JSON
Job Vacancy Trend in London

Job postings citing JSON as a proportion of all IT jobs advertised in London.

Job vacancy trend for JSON in London

JSON
Salary Trend in London

3-month moving average salary quoted in jobs citing JSON in London.

Salary trend for JSON in London

JSON
Salary Histogram in London

Salary distribution for jobs citing JSON in London over the 6 months to 23 October 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 23 October 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 +71 96 £82,500 +17.86% 29
South London +34 23 £52,500 +10.53% 1
West London +45 17 £55,000 -4.35% 14
East London +23 7 £49,971 - 8
North London +34 4 £57,500 +4.55% 2
JSON
England

For the 6 months to 23 October 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.

1 196 (50.39%) Agile Software Development
2 179 (46.02%) XML
3 167 (42.93%) REST
4 142 (36.50%) .NET
5 141 (36.25%) Azure
6 139 (35.73%) SQL
6 139 (35.73%) C#
7 131 (33.68%) JavaScript
8 122 (31.36%) HTML
9 121 (31.11%) SQL Server
10 114 (29.31%) CSS
11 112 (28.79%) Finance
12 106 (27.25%) DevOps
13 103 (26.48%) Java
14 96 (24.68%) Web Services
15 91 (23.39%) Python
16 90 (23.14%) AWS
17 88 (22.62%) Microservices
18 87 (22.37%) AngularJS
18 87 (22.37%) TDD
19 86 (22.11%) RESTful
20 85 (21.85%) SOAP
21 72 (18.51%) Test Automation
22 68 (17.48%) Problem-Solving
23 67 (17.22%) Git (software)
23 67 (17.22%) OO
24 66 (16.97%) Jenkins
25 65 (16.71%) Fintech
25 65 (16.71%) .NET Core
26 64 (16.45%) jQuery

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 22 (5.66%) Elasticsearch
2 17 (4.37%) IIS
3 16 (4.11%) Apache Spark
3 16 (4.11%) Confluence
4 9 (2.31%) SharePoint
5 6 (1.54%) Apache
5 6 (1.54%) CMS
5 6 (1.54%) JBoss
5 6 (1.54%) Umbraco
5 6 (1.54%) WordPress
6 5 (1.29%) GeoServer
6 5 (1.29%) Red Hat Fuse
7 4 (1.03%) Apache ServiceMix
8 2 (0.51%) Apache Airflow
8 2 (0.51%) EPiServer
8 2 (0.51%) SharePoint 2010
8 2 (0.51%) WebLogic
8 2 (0.51%) WebSphere
9 1 (0.26%) MQSeries
9 1 (0.26%) WebSphere Application Server
Applications
1 22 (5.66%) Microsoft Excel
2 3 (0.77%) Microsoft Office
Business Applications
1 4 (1.03%) Distributed Ledger
2 3 (0.77%) Magento
2 3 (0.77%) Oracle Cash Management
3 2 (0.51%) Markit EDM
3 2 (0.51%) Shopify
4 1 (0.26%) Dynamics AX
4 1 (0.26%) Dynamics CRM
4 1 (0.26%) Maximo
4 1 (0.26%) NetSuite
4 1 (0.26%) R3 Corda
Cloud Services
1 141 (36.25%) Azure
2 90 (23.14%) AWS
3 35 (9.00%) GitHub
4 30 (7.71%) SaaS
5 26 (6.68%) Power Platform
6 19 (4.88%) Amazon SQS
7 12 (3.08%) Serverless
8 11 (2.83%) Azure Functions
9 10 (2.57%) Azure Data Factory
9 10 (2.57%) GCP
9 10 (2.57%) npm
10 8 (2.06%) Logic Apps
11 7 (1.80%) Office 365
11 7 (1.80%) PaaS
12 6 (1.54%) Google Play
13 5 (1.29%) Dynamics 365
13 5 (1.29%) Veeva
14 4 (1.03%) Amazon S3
14 4 (1.03%) Azure Active Directory
14 4 (1.03%) Boomi
Communications & Networking
1 26 (6.68%) HTTP
2 15 (3.86%) Firewall
2 15 (3.86%) TCP/IP
3 6 (1.54%) BGP
3 6 (1.54%) Internet
3 6 (1.54%) OSPF
3 6 (1.54%) Wireless
4 5 (1.29%) Cisco Nexus
4 5 (1.29%) Cisco Wireless
4 5 (1.29%) F5 BIG-IP GTM
4 5 (1.29%) F5 BIG-IP LTM
4 5 (1.29%) HTTPS
4 5 (1.29%) LAN
4 5 (1.29%) Multicast
4 5 (1.29%) VXLAN
4 5 (1.29%) WAN
4 5 (1.29%) Wireshark
5 4 (1.03%) Cisco ASA
5 4 (1.03%) Network Security
5 4 (1.03%) Wi-Fi
Database & Business Intelligence
1 121 (31.11%) SQL Server
2 37 (9.51%) SQL Server Integration Services
3 36 (9.25%) NoSQL
4 30 (7.71%) MongoDB
5 26 (6.68%) Data Warehouse
6 24 (6.17%) Power BI
6 24 (6.17%) Redis
7 19 (4.88%) OLAP
7 19 (4.88%) OLTP
7 19 (4.88%) Relational Database
8 17 (4.37%) SQL Server Reporting Services
9 16 (4.11%) Big Data
9 16 (4.11%) OLAP Cube
9 16 (4.11%) SQL Server Analysis Services
10 15 (3.86%) PostgreSQL
11 14 (3.60%) Azure SQL Data Warehouse
12 12 (3.08%) Apache Cassandra
12 12 (3.08%) Hadoop
13 10 (2.57%) MySQL
14 9 (2.31%) Cosmos DB
Development Applications
1 67 (17.22%) Git (software)
2 66 (16.97%) Jenkins
3 52 (13.37%) Selenium
4 38 (9.77%) JIRA
5 35 (9.00%) webpack
6 24 (6.17%) TeamCity
7 22 (5.66%) Cypress.io
8 20 (5.14%) Team Foundation Server
8 20 (5.14%) Visual Studio
9 16 (4.11%) Maven
10 13 (3.34%) Subversion
11 12 (3.08%) Cucumber
12 11 (2.83%) Grunt
12 11 (2.83%) gulp
12 11 (2.83%) Octopus Deploy
12 11 (2.83%) Postman
13 10 (2.57%) SQL Server Management Studio (SSMS)
14 8 (2.06%) Jasmine
14 8 (2.06%) Mocha
14 8 (2.06%) Visual Studio Code
General
1 112 (28.79%) Finance
2 39 (10.03%) Banking
3 8 (2.06%) Law
3 8 (2.06%) Marketing
4 7 (1.80%) Games
4 7 (1.80%) Investment Banking
4 7 (1.80%) Retail
5 6 (1.54%) Publishing
6 5 (1.29%) Front Office
7 4 (1.03%) Public Sector
8 3 (0.77%) Housing Association
8 3 (0.77%) Legal
9 2 (0.51%) Advertising
9 2 (0.51%) Retail Banking
10 1 (0.26%) Private Banking
Job Titles
1 206 (52.96%) Developer
2 50 (12.85%) Senior Developer
3 44 (11.31%) C# Developer
4 43 (11.05%) .NET Developer
5 28 (7.20%) C# .NET Developer
6 27 (6.94%) Software Developer
7 24 (6.17%) Test Engineer
8 23 (5.91%) Architect
9 22 (5.66%) Analyst
10 21 (5.40%) Angular Developer
11 20 (5.14%) Consultant
11 20 (5.14%) Java Developer
11 20 (5.14%) JavaScript Developer
12 19 (4.88%) Azure Developer
12 19 (4.88%) Full Stack Developer
12 19 (4.88%) Test Automation Engineer
13 18 (4.63%) Business Intelligence Developer
13 18 (4.63%) Python Developer
13 18 (4.63%) Software Engineer
13 18 (4.63%) SQL Developer
Libraries, Frameworks & Software Standards
1 179 (46.02%) XML
2 167 (42.93%) REST
3 142 (36.50%) .NET
4 122 (31.36%) HTML
5 114 (29.31%) CSS
6 96 (24.68%) Web Services
7 87 (22.37%) AngularJS
8 86 (22.11%) RESTful
9 85 (21.85%) SOAP
10 65 (16.71%) .NET Core
11 64 (16.45%) jQuery
12 55 (14.14%) ASP.NET
13 51 (13.11%) ASP.NET Web API
14 47 (12.08%) Node.js
15 42 (10.80%) Redux
16 40 (10.28%) ASP.NET MVC
16 40 (10.28%) React
17 37 (9.51%) Ajax
18 32 (8.23%) HTML5
18 32 (8.23%) Sass
Miscellaneous
1 25 (6.43%) Analytical Skills
2 17 (4.37%) Mobile App
3 16 (4.11%) Algorithms
3 16 (4.11%) Enterprise Software
4 14 (3.60%) Data Structures
5 13 (3.34%) Greenfield Project
6 12 (3.08%) Public Cloud
6 12 (3.08%) User Experience
7 10 (2.57%) Virtual Team
8 9 (2.31%) Self-Motivation
9 8 (2.06%) Data Centre
10 7 (1.80%) Management Information System
11 6 (1.54%) Hedge funds
11 6 (1.54%) Reinsurance
12 5 (1.29%) NHS
13 3 (0.77%) Blog
13 3 (0.77%) Foreign Exchange (FX)
13 3 (0.77%) Reference Data
13 3 (0.77%) SWIFT
13 3 (0.77%) W3C
Operating Systems
1 27 (6.94%) Apple iOS
1 27 (6.94%) Linux
2 22 (5.66%) Android
3 20 (5.14%) Windows
4 11 (2.83%) Unix
5 6 (1.54%) Ubuntu
6 5 (1.29%) CentOS
6 5 (1.29%) Fedora
7 2 (0.51%) Mac OS X
8 1 (0.26%) Red Hat Enterprise Linux
8 1 (0.26%) Windows 10
8 1 (0.26%) Windows Server
Processes & Methodologies
1 196 (50.39%) Agile Software Development
2 106 (27.25%) DevOps
3 88 (22.62%) Microservices
4 87 (22.37%) TDD
5 72 (18.51%) Test Automation
6 68 (17.48%) Problem-Solving
7 67 (17.22%) OO
8 65 (16.71%) Fintech
9 63 (16.20%) MVC
10 61 (15.68%) OOP
11 55 (14.14%) Scrum
12 51 (13.11%) BDD
13 46 (11.83%) Unit Testing
14 43 (11.05%) SOLID
15 41 (10.54%) Analytics
16 39 (10.03%) Continuous Integration
16 39 (10.03%) Mentoring
17 37 (9.51%) ETL
18 36 (9.25%) Asset Management
18 36 (9.25%) Web Development
Programming Languages
1 139 (35.73%) C#
1 139 (35.73%) SQL
2 131 (33.68%) JavaScript
3 103 (26.48%) Java
4 91 (23.39%) Python
5 52 (13.37%) PowerShell
6 19 (4.88%) T-SQL
7 17 (4.37%) PHP
7 17 (4.37%) TypeScript
8 14 (3.60%) Ruby
9 10 (2.57%) Kotlin
9 10 (2.57%) SOQL
10 9 (2.31%) Apex Code
10 9 (2.31%) Java 8
11 8 (2.06%) Apple Swift
11 8 (2.06%) Scala
12 6 (1.54%) PL/SQL
13 5 (1.29%) C++
13 5 (1.29%) R
14 4 (1.03%) C
Qualifications
1 42 (10.80%) Degree
2 16 (4.11%) Computer Science Degree
3 6 (1.54%) SC Cleared
3 6 (1.54%) Security Cleared
4 5 (1.29%) PMI Certification
4 5 (1.29%) PMP
5 4 (1.03%) Master's Degree
6 3 (0.77%) AWS Certification
6 3 (0.77%) TOGAF Certification
7 2 (0.51%) Cisco Certification
7 2 (0.51%) DV Cleared
8 1 (0.26%) CCMSE
8 1 (0.26%) CCNA
8 1 (0.26%) CCNP
8 1 (0.26%) ITIL Certification
Quality Assurance & Compliance
1 61 (15.68%) QA
2 5 (1.29%) Data Quality
3 3 (0.77%) GDPR
3 3 (0.77%) ISO 20022
3 3 (0.77%) PSD2
3 3 (0.77%) TARGET2
System Software
1 47 (12.08%) Docker
2 5 (1.29%) Active Directory
3 4 (1.03%) vSphere
Systems Management
1 30 (7.71%) Kubernetes
2 13 (3.34%) Ansible
3 6 (1.54%) Terraform
4 5 (1.29%) Puppet
5 4 (1.03%) Opscode Chef
6 2 (0.51%) HAProxy
7 1 (0.26%) Consul
7 1 (0.26%) FortiGate
7 1 (0.26%) Packer
7 1 (0.26%) Rancher
Vendors
1 61 (15.68%) Microsoft
2 36 (9.25%) Oracle
3 14 (3.60%) Salesforce.com
4 13 (3.34%) Red Hat
4 13 (3.34%) Xamarin
5 12 (3.08%) Google
6 9 (2.31%) Atlassian
6 9 (2.31%) MuleSoft
7 8 (2.06%) IBM
8 7 (1.80%) Cisco
9 6 (1.54%) Splunk
10 5 (1.29%) Apple
10 5 (1.29%) Arista
10 5 (1.29%) CA Agile Central
10 5 (1.29%) CheckPoint
10 5 (1.29%) F5
10 5 (1.29%) Fortinet
10 5 (1.29%) Palo Alto
10 5 (1.29%) Riverbed
10 5 (1.29%) WSO2