JSON Job Trends in London

JSON
England > London

The table below provides summary statistics and salary benchmarking for jobs advertised in London requiring JSON skills. It covers permanent job vacancies from the 6 months leading up to 11 June 2026, with comparisons to the same periods in the previous two years.

6 months to
11 Jun 2026
Same period 2025 Same period 2024
Rank 299 279 260
Rank change year-on-year -20 -19 -36
Permanent jobs citing JSON 112 114 272
As % of all permanent jobs in London 0.53% 0.93% 1.11%
As % of the Libraries, Frameworks & Software Standards category 3.33% 3.51% 4.58%
Number of salaries quoted 70 77 209
10th Percentile £46,526 £47,284 £49,898
25th Percentile £56,875 £55,000 £52,500
Median annual salary (50th Percentile) £75,000 £67,500 £67,500
Median % change year-on-year +11.11% - -3.57%
75th Percentile £85,000 £82,500 £83,750
90th Percentile £87,500 £103,750 £96,250
England median annual salary £65,000 £63,000 £60,000
% change year-on-year +3.17% +5.00% -7.69%

All Software Libraries and Frameworks
London

JSON falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring technical specification, industry standards, software libraries and framework skills in London.

Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 3,361 3,246 5,935
As % of all permanent jobs advertised in London 15.81% 26.58% 24.33%
Number of salaries quoted 2,282 2,228 4,721
10th Percentile £51,250 £50,000 £47,500
25th Percentile £65,000 £62,500 £60,000
Median annual salary (50th Percentile) £82,500 £82,500 £80,000
Median % change year-on-year - +3.13% -
75th Percentile £100,000 £110,000 £105,000
90th Percentile £120,000 £131,625 £136,250
England median annual salary £65,000 £66,367 £60,000
% change year-on-year -2.06% +10.61% -11.11%

JSON
Job Vacancy Trend in London

Historical trend showing the proportion of permanent IT job postings citing JSON relative to all permanent IT jobs advertised in London.

JSON job vacancy trend in London

JSON
Salary Trend in London

Salary distribution trend for jobs in London citing JSON.

Salary distribution trend for jobs in London citing JSON

JSON
Salary Histogram in London

Salary distribution for jobs citing JSON in London over the 6 months to 11 June 2026.

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 11 June 2026. 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
Jobs
Central London -29 5 £87,500 +29.63% 15
South London +13 1 £65,000 -
JSON
England

JSON
Co-Occurring Skills & Capabilities in London by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 6 (5.36%) WordPress
2 5 (4.46%) CMS
2 5 (4.46%) Drupal
3 1 (0.89%) Apache
3 1 (0.89%) Cloud Foundry
3 1 (0.89%) JBoss
3 1 (0.89%) SharePoint
3 1 (0.89%) Tomcat
Applications
1 1 (0.89%) Microsoft Excel
1 1 (0.89%) Microsoft PowerPoint
1 1 (0.89%) Microsoft Project
Business Applications
1 2 (1.79%) NetSuite
2 1 (0.89%) Oracle Procure-to-Pay
2 1 (0.89%) Payment Gateway
Cloud Services
1 39 (34.82%) Azure
2 36 (32.14%) AWS
3 18 (16.07%) Azure Logic Apps
4 17 (15.18%) Serverless
5 16 (14.29%) AWS Lambda
6 12 (10.71%) AWS CloudFormation
7 11 (9.82%) Azure DevOps
8 9 (8.04%) Power Platform
9 8 (7.14%) Azure Service Bus
10 6 (5.36%) Azure Monitor
10 6 (5.36%) GCP
11 5 (4.46%) Amazon EC2
11 5 (4.46%) Amazon S3
11 5 (4.46%) Apigee
11 5 (4.46%) PaaS
12 4 (3.57%) Azure Cognitive Search
12 4 (3.57%) Azure Table
12 4 (3.57%) Microsoft 365
12 4 (3.57%) Microsoft Copilot
12 4 (3.57%) SaaS
Communications & Networking
1 4 (3.57%) VPN
2 2 (1.79%) AMQP
3 1 (0.89%) CTI
3 1 (0.89%) Network Security
Database & Business Intelligence
1 13 (11.61%) PostgreSQL
1 13 (11.61%) Redis
2 10 (8.93%) MySQL
3 8 (7.14%) Relational Database
4 7 (6.25%) Metadata
4 7 (6.25%) RDBMS
5 4 (3.57%) Amazon RDS
5 4 (3.57%) Electronic Patient Records
6 2 (1.79%) Power BI
6 2 (1.79%) SQL Server
7 1 (0.89%) Amazon Athena
7 1 (0.89%) Amazon QuickSight
7 1 (0.89%) Apache Iceberg
7 1 (0.89%) Big Data
7 1 (0.89%) DynamoDB
7 1 (0.89%) Parquet
7 1 (0.89%) Presto
7 1 (0.89%) SQL Server Integration Services
7 1 (0.89%) Tableau
7 1 (0.89%) Trino
Development Applications
1 19 (16.96%) Git
2 12 (10.71%) Jenkins
3 11 (9.82%) Postman
4 7 (6.25%) ERwin
4 7 (6.25%) Maven
5 5 (4.46%) Gradle
5 5 (4.46%) Selenium
5 5 (4.46%) SpecFlow
5 5 (4.46%) WebDriver
6 3 (2.68%) JUnit
7 2 (1.79%) GitLab
7 2 (1.79%) JIRA
7 2 (1.79%) Team Foundation Server
8 1 (0.89%) Atlassian Bamboo
8 1 (0.89%) Browser DevTools
8 1 (0.89%) CircleCI
8 1 (0.89%) Mockito
8 1 (0.89%) Subversion
8 1 (0.89%) TeamCity
8 1 (0.89%) webpack
General
1 45 (40.18%) Social Skills
2 35 (31.25%) Finance
3 24 (21.43%) Analytical Skills
4 10 (8.93%) Health Technology
5 9 (8.04%) Law
6 7 (6.25%) Financial Institution
6 7 (6.25%) Organisational Skills
7 5 (4.46%) Back Office
8 4 (3.57%) Advertising
9 3 (2.68%) Telecoms
10 2 (1.79%) Billing
10 2 (1.79%) Front Office
10 2 (1.79%) Legal
10 2 (1.79%) Prime Brokerage
10 2 (1.79%) Retail
11 1 (0.89%) German Language
11 1 (0.89%) Legal Technology
11 1 (0.89%) Publishing
Job Titles
1 35 (31.25%) Developer
2 20 (17.86%) Senior
3 14 (12.50%) Consultant
4 12 (10.71%) DevOps Engineer
5 10 (8.93%) Senior Developer
6 9 (8.04%) Ruby Developer
7 8 (7.14%) Java Developer
8 7 (6.25%) Analyst
8 7 (6.25%) Architect
8 7 (6.25%) Data Consultant
8 7 (6.25%) Data Model Consultant
8 7 (6.25%) Integration Engineer
9 6 (5.36%) Customer Support Specialist
9 6 (5.36%) Data Analyst
9 6 (5.36%) Senior Integration Engineer
9 6 (5.36%) Support Specialist
10 5 (4.46%) .NET Developer
10 5 (4.46%) Artificial Intelligence Engineer
10 5 (4.46%) QA Engineer
10 5 (4.46%) Software Developer
Libraries, Frameworks & Software Standards
1 45 (40.18%) REST
2 33 (29.46%) XML
3 20 (17.86%) .NET
3 20 (17.86%) RESTful
4 17 (15.18%) JWT
5 15 (13.39%) HTML
6 14 (12.50%) .NET Core
6 14 (12.50%) CSS
7 12 (10.71%) React
7 12 (10.71%) YAML
8 11 (9.82%) ASP.NET
8 11 (9.82%) Spring
8 11 (9.82%) Swagger
9 10 (8.93%) Blazor
9 10 (8.93%) Razor View Engine
9 10 (8.93%) WebAssembly
10 9 (8.04%) FIX Protocol
10 9 (8.04%) FpML
10 9 (8.04%) Ruby on Rails
10 9 (8.04%) SOAP
Miscellaneous
1 13 (11.61%) Data Structures
2 8 (7.14%) Enterprise Software
3 7 (6.25%) Analytical Mindset
3 7 (6.25%) e-Learning
3 7 (6.25%) Onboarding
4 6 (5.36%) Linux Command Line
5 5 (4.46%) Cloud Native
5 5 (4.46%) Public Cloud
5 5 (4.46%) Self-Motivation
6 4 (3.57%) NHS
7 3 (2.68%) Management Information System
8 2 (1.79%) Data Protection Act
8 2 (1.79%) Derivative
8 2 (1.79%) Fixed Income
8 2 (1.79%) Legacy Systems
8 2 (1.79%) Product Ownership
8 2 (1.79%) Reference Data
8 2 (1.79%) Replication
9 1 (0.89%) Low-Code
9 1 (0.89%) Security Posture
Operating Systems
1 19 (16.96%) Linux
2 3 (2.68%) Windows
3 1 (0.89%) Unix
Processes & Methodologies
1 41 (36.61%) CI/CD
2 38 (33.93%) DevOps
3 37 (33.04%) Agile
4 26 (23.21%) Data Modelling
4 26 (23.21%) Microservices
5 21 (18.75%) User Experience
6 20 (17.86%) API Design
6 20 (17.86%) Infrastructure as Code
7 19 (16.96%) AI
7 19 (16.96%) Problem-Solving
8 17 (15.18%) Performance Tuning
9 16 (14.29%) Test Automation
10 15 (13.39%) Containerisation
11 14 (12.50%) Clean Code
11 14 (12.50%) Continuous Improvement
12 12 (10.71%) Analytics
12 12 (10.71%) API Integration
12 12 (10.71%) API Management
12 12 (10.71%) Data Analysis
13 11 (9.82%) Front End Development
Programming Languages
1 39 (34.82%) Python
2 37 (33.04%) SQL
3 26 (23.21%) JavaScript
4 22 (19.64%) C#
5 18 (16.07%) Java
6 9 (8.04%) PHP
6 9 (8.04%) Ruby
7 3 (2.68%) Bash
7 3 (2.68%) PowerShell
8 2 (1.79%) ActionScript
8 2 (1.79%) ActionScript 2.0
8 2 (1.79%) Kusto Query Language
8 2 (1.79%) Lua
8 2 (1.79%) Search Processing Language
8 2 (1.79%) TypeScript
9 1 (0.89%) Apex Code
9 1 (0.89%) Korn
9 1 (0.89%) R
Qualifications
1 16 (14.29%) SC Cleared
1 16 (14.29%) Security Cleared
2 6 (5.36%) Degree
3 4 (3.57%) Azure Certification
3 4 (3.57%) Computer Science Degree
4 3 (2.68%) CISSP
5 2 (1.79%) (ISC)2 CCSP
5 2 (1.79%) CASP
5 2 (1.79%) CCSP
5 2 (1.79%) Cisco Certification
5 2 (1.79%) CompTIA CySA+
5 2 (1.79%) CompTIA Security+
5 2 (1.79%) Microsoft Certification
6 1 (0.89%) GIAC
6 1 (0.89%) SSCP
Quality Assurance & Compliance
1 16 (14.29%) Accessibility
2 7 (6.25%) QA
3 6 (5.36%) SLA
3 6 (5.36%) WCAG
4 4 (3.57%) HL7
5 3 (2.68%) Data Quality
5 3 (2.68%) GDPR
System Software
1 19 (16.96%) Docker
Systems Management
1 19 (16.96%) Terraform
2 10 (8.93%) Kubernetes
3 5 (4.46%) Ansible
4 2 (1.79%) Microsoft Intune
5 1 (0.89%) Kibana
5 1 (0.89%) QRadar
Vendors
1 17 (15.18%) Microsoft
2 7 (6.25%) Sparx
3 4 (3.57%) Oracle
3 4 (3.57%) Splunk
4 3 (2.68%) Google
4 3 (2.68%) MuleSoft
4 3 (2.68%) SAP
5 2 (1.79%) Dell
5 2 (1.79%) Dynatrace
5 2 (1.79%) New Relic
5 2 (1.79%) OpenAI
6 1 (0.89%) Aderant
6 1 (0.89%) Apple
6 1 (0.89%) ArcSight
6 1 (0.89%) Genesys
6 1 (0.89%) Intapp
6 1 (0.89%) Pega
6 1 (0.89%) Sage
6 1 (0.89%) Salesforce
6 1 (0.89%) Workday