Period
to 9 April 2020

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

JSON
Central London > City of London
6 months to
9 Apr 2020
Same period 2019 Same period 2018
Rank 174 190 163
Rank change year-on-year +16 -27 -2
Permanent jobs citing JSON 129 155 205
As % of all permanent jobs advertised in the City of London 1.50% 1.50% 1.91%
As % of the Libraries, Frameworks & Software Standards category 3.88% 3.56% 4.82%
Number of salaries quoted 119 140 183
Median annual salary £67,500 £70,000 £60,000
Median salary % change year-on-year -3.57% +16.67% +9.09%
10th Percentile £43,600 £46,000 £42,500
90th Percentile £99,500 £95,000 £88,750
Central London median annual salary £72,500 £71,250 £60,000
% change year-on-year +1.75% +18.75% +9.09%

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 3,324 4,350 4,252
As % of all permanent IT jobs advertised in the City of London 38.68% 42.18% 39.63%
Number of salaries quoted 2,932 3,894 3,770
Median annual salary £70,000 £67,500 £65,000
Median salary % change year-on-year +3.70% +3.85% +8.33%
10th Percentile £45,000 £42,500 £40,000
90th Percentile £96,250 £95,000 £93,750
Central London median annual salary £70,000 £67,500 £62,500
% change year-on-year +3.70% +8.00% +4.17%

JSON
Job Vacancy Trend in the City of London

Job postings citing JSON as a proportion 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

3-month moving average salary quoted in 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

Salary distribution for jobs citing JSON in the City of London over the 6 months to 9 April 2020.

Salary histogram for JSON in the City of London

JSON
Job Locations in the City of London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JSON within the City of London region over the 6 months to 9 April 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
Moorgate - 1 £85,000 -
JSON
Central London

For the 6 months to 9 April 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 City of London region with a requirement for JSON.

1 88 (68.22%) Agile Software Development
2 80 (62.02%) REST
3 72 (55.81%) JavaScript
4 66 (51.16%) Finance
5 59 (45.74%) XML
6 56 (43.41%) SQL Server
7 55 (42.64%) .NET
8 54 (41.86%) Scrum
9 51 (39.53%) C#
10 47 (36.43%) MVC
11 43 (33.33%) Java
11 43 (33.33%) ASP.NET
11 43 (33.33%) Web Services
11 43 (33.33%) .NET Framework
12 41 (31.78%) User Stories
13 40 (31.01%) Git (software)
14 39 (30.23%) Visual Studio
15 38 (29.46%) SOAP
15 38 (29.46%) SQL
16 34 (26.36%) CSS
16 34 (26.36%) Internet
16 34 (26.36%) AngularJS
17 33 (25.58%) Continuous Improvement
17 33 (25.58%) Microsoft
18 31 (24.03%) SQL Server 2012
18 31 (24.03%) Docker
18 31 (24.03%) HTML
18 31 (24.03%) XPath
19 30 (23.26%) OWASP
19 30 (23.26%) EPiServer

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 30 (23.26%) EPiServer
2 7 (5.43%) Confluence
3 6 (4.65%) Cloud Foundry
4 5 (3.88%) Apache
5 4 (3.10%) Tomcat
6 2 (1.55%) CMS
6 2 (1.55%) SharePoint
6 2 (1.55%) SharePoint 2010
7 1 (0.78%) ColdFusion
7 1 (0.78%) Elasticsearch
7 1 (0.78%) IIS
7 1 (0.78%) WordPress
Applications
1 1 (0.78%) Adobe Illustrator
1 1 (0.78%) Photoshop
Business Applications
1 2 (1.55%) Distributed Ledger
Cloud Services
1 24 (18.60%) AWS
2 19 (14.73%) Azure
3 6 (4.65%) Amazon EC2
3 6 (4.65%) AWS Fargate
4 5 (3.88%) GCP
5 4 (3.10%) npm
6 3 (2.33%) Cloud Computing
6 3 (2.33%) Firebase
7 2 (1.55%) Amazon Kinesis
7 2 (1.55%) GitHub
7 2 (1.55%) Power Platform
7 2 (1.55%) Virtual Private Cloud
8 1 (0.78%) AWS Lambda
8 1 (0.78%) Office 365
8 1 (0.78%) SaaS
8 1 (0.78%) Serverless
8 1 (0.78%) Veeva
Communications & Networking
1 34 (26.36%) Internet
2 5 (3.88%) HTTP
3 2 (1.55%) Intranet
3 2 (1.55%) Network Security
3 2 (1.55%) TCP/IP
4 1 (0.78%) BGP
4 1 (0.78%) Cisco ASA
4 1 (0.78%) Cisco Nexus
4 1 (0.78%) Cisco Wireless
4 1 (0.78%) F5 BIG-IP GTM
4 1 (0.78%) F5 BIG-IP LTM
4 1 (0.78%) Firewall
4 1 (0.78%) Multicast
4 1 (0.78%) OSPF
4 1 (0.78%) SAN
4 1 (0.78%) VPN
4 1 (0.78%) VXLAN
4 1 (0.78%) Wi-Fi
4 1 (0.78%) Wireless
4 1 (0.78%) Wireshark
Database & Business Intelligence
1 56 (43.41%) SQL Server
2 31 (24.03%) SQL Server 2012
3 14 (10.85%) MongoDB
4 12 (9.30%) Data Warehouse
5 11 (8.53%) Amazon DynamoDB
5 11 (8.53%) NoSQL
6 10 (7.75%) Apache Cassandra
7 9 (6.98%) PostgreSQL
8 8 (6.20%) RDBMS
8 8 (6.20%) Relational Database
9 7 (5.43%) CouchDB
9 7 (5.43%) Hadoop
9 7 (5.43%) OLAP
9 7 (5.43%) OLTP
9 7 (5.43%) Oracle OLAP
9 7 (5.43%) Snowflake Schema
10 6 (4.65%) Amazon RDS
10 6 (4.65%) Big Data
10 6 (4.65%) SQL Server Integration Services
11 3 (2.33%) BigQuery
Development Applications
1 40 (31.01%) Git (software)
2 39 (30.23%) Visual Studio
3 8 (6.20%) JIRA
4 7 (5.43%) ERwin
4 7 (5.43%) Jenkins
4 7 (5.43%) PowerDesigner
5 6 (4.65%) Atlassian Bamboo
6 5 (3.88%) Team Foundation Server
7 4 (3.10%) gulp
7 4 (3.10%) jspm
7 4 (3.10%) JUnit
8 3 (2.33%) Cucumber
8 3 (2.33%) Cypress.io
8 3 (2.33%) NUnit
9 2 (1.55%) Bitbucket
9 2 (1.55%) Postman
9 2 (1.55%) Selenium
9 2 (1.55%) SQL Server Management Studio (SSMS)
9 2 (1.55%) TestNG
10 1 (0.78%) Liquibase
General
1 66 (51.16%) Finance
2 9 (6.98%) Banking
3 4 (3.10%) Retail
4 3 (2.33%) Advertising
5 2 (1.55%) Games
6 1 (0.78%) Law
6 1 (0.78%) Legal
6 1 (0.78%) Marketing
Job Titles
1 84 (65.12%) Developer
2 35 (27.13%) .NET Developer
3 33 (25.58%) C# Developer
4 32 (24.81%) C# .NET Developer
5 17 (13.18%) Java Developer
6 16 (12.40%) Angular Developer
7 14 (10.85%) Architect
7 14 (10.85%) Senior Developer
8 8 (6.20%) Data Architect
8 8 (6.20%) Senior Java Developer
8 8 (6.20%) Software Developer
9 7 (5.43%) Front End Developer (Client-Side Developer)
9 7 (5.43%) Full Stack Developer
9 7 (5.43%) SQL Developer
10 6 (4.65%) Agile Developer
10 6 (4.65%) Agile Java Developer
10 6 (4.65%) Analyst
10 6 (4.65%) AWS Engineer
11 4 (3.10%) Data Engineer
11 4 (3.10%) React Developer
Libraries, Frameworks & Software Standards
1 80 (62.02%) REST
2 59 (45.74%) XML
3 55 (42.64%) .NET
4 43 (33.33%) .NET Framework
4 43 (33.33%) ASP.NET
4 43 (33.33%) Web Services
5 38 (29.46%) SOAP
6 34 (26.36%) AngularJS
6 34 (26.36%) CSS
7 31 (24.03%) HTML
8 30 (23.26%) XSLT
9 19 (14.73%) Spring
10 18 (13.95%) jQuery
10 18 (13.95%) Node.js
11 16 (12.40%) RESTful
12 14 (10.85%) Kafka
13 13 (10.08%) HTML5
14 11 (8.53%) React
15 10 (7.75%) .NET Core
16 9 (6.98%) Twitter Bootstrap
Miscellaneous
1 10 (7.75%) User Experience
2 9 (6.98%) Analytical Skills
2 9 (6.98%) Reinsurance
3 8 (6.20%) Reference Data
4 7 (5.43%) Foreign Exchange (FX)
4 7 (5.43%) Management Information System
5 4 (3.10%) Data Structures
5 4 (3.10%) Greenfield Project
5 4 (3.10%) Hybrid Cloud
6 3 (2.33%) Client/Server
6 3 (2.33%) Enterprise Software
6 3 (2.33%) N-Tier
7 2 (1.55%) Cloud Native
7 2 (1.55%) Hedge funds
7 2 (1.55%) Online Games
7 2 (1.55%) Semantic Web
7 2 (1.55%) Taxonomies
8 1 (0.78%) Algorithms
8 1 (0.78%) Mobile App
8 1 (0.78%) Social Media
Operating Systems
1 9 (6.98%) Unix
2 4 (3.10%) Android
2 4 (3.10%) Apple iOS
3 2 (1.55%) Linux
4 1 (0.78%) Windows
4 1 (0.78%) Windows 10
4 1 (0.78%) Windows Server
4 1 (0.78%) Windows Server 2012
4 1 (0.78%) Windows Server 2016
4 1 (0.78%) Windows Server 2019
Processes & Methodologies
1 88 (68.22%) Agile Software Development
2 54 (41.86%) Scrum
3 47 (36.43%) MVC
4 41 (31.78%) User Stories
5 33 (25.58%) Continuous Improvement
6 30 (23.26%) ITIL
6 30 (23.26%) OWASP
6 30 (23.26%) Sprint Planning
7 27 (20.93%) TDD
8 26 (20.16%) Continuous Integration
9 25 (19.38%) Microservices
10 21 (16.28%) DevOps
11 20 (15.50%) Fintech
12 16 (12.40%) Artificial Intelligence
13 15 (11.63%) Data Modelling
13 15 (11.63%) Software Engineering
14 14 (10.85%) Continuous Deployment
15 13 (10.08%) Analytics
16 12 (9.30%) Migration
16 12 (9.30%) OOD
Programming Languages
1 72 (55.81%) JavaScript
2 51 (39.53%) C#
3 43 (33.33%) Java
4 38 (29.46%) SQL
5 31 (24.03%) XPath
6 20 (15.50%) Python
7 6 (4.65%) PowerShell
8 5 (3.88%) ES6
8 5 (3.88%) Java 8
8 5 (3.88%) TypeScript
9 4 (3.10%) T-SQL
10 3 (2.33%) Go
10 3 (2.33%) Ruby
11 2 (1.55%) HiveQL
11 2 (1.55%) Kotlin
11 2 (1.55%) PHP
12 1 (0.78%) Apple Swift
12 1 (0.78%) C
12 1 (0.78%) C++
12 1 (0.78%) Objective-C
Qualifications
1 9 (6.98%) Degree
2 8 (6.20%) AWS Certification
2 8 (6.20%) Computer Science Degree
3 7 (5.43%) Master's Degree
Quality Assurance & Compliance
1 11 (8.53%) QA
2 8 (6.20%) Data Quality
System Software
1 31 (24.03%) Docker
Systems Management
1 13 (10.08%) Kubernetes
2 3 (2.33%) Ansible
2 3 (2.33%) Terraform
3 2 (1.55%) Consul
Vendors
1 33 (25.58%) Microsoft
2 9 (6.98%) Oracle
3 4 (3.10%) Google
4 3 (2.33%) Facebook
5 2 (1.55%) Solace
5 2 (1.55%) Tableau
5 2 (1.55%) TIBCO
6 1 (0.78%) Arista
6 1 (0.78%) CheckPoint
6 1 (0.78%) Cisco
6 1 (0.78%) F5
6 1 (0.78%) Fortinet
6 1 (0.78%) Palo Alto
6 1 (0.78%) Riverbed
6 1 (0.78%) Salesforce.com
6 1 (0.78%) SolarWinds
6 1 (0.78%) Splunk