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 8 October 2026, with comparisons to the same periods in the previous two years.

6 months to
8 Oct 2026
Same period 2025 Same period 2024
Rank 325 297 278
Rank change year-on-year -28 -19 -94
Permanent jobs citing JSON 131 93 186
As % of all permanent jobs in London 0.51% 0.79% 1.01%
As % of the Libraries, Frameworks & Software Standards category 3.38% 2.87% 3.41%
Number of salaries quoted 91 55 133
10th Percentile £46,526 £47,500 £42,500
25th Percentile £61,875 £52,905 £47,500
Median annual salary (50th Percentile) £75,000 £70,000 £70,000
Median % change year-on-year +7.14% - -6.67%
75th Percentile £86,875 £80,625 £83,750
90th Percentile £88,750 £108,500 £100,000
England median annual salary £62,500 £60,000 £65,000
% change year-on-year +4.17% -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 3,872 3,236 5,452
As % of all permanent jobs advertised in London 14.97% 27.44% 29.50%
Number of salaries quoted 2,441 2,175 3,608
10th Percentile £51,400 £51,700 £52,500
25th Percentile £66,250 £64,754 £65,000
Median annual salary (50th Percentile) £85,000 £85,000 £85,000
Median % change year-on-year - - +6.25%
75th Percentile £100,000 £111,250 £112,500
90th Percentile £117,500 £135,000 £142,500
England median annual salary £67,500 £70,000 £65,000
% change year-on-year -3.57% +7.69% -3.70%

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 8 October 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 8 October 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 +8 7 £81,250 +32.65% 37
South London -12 1 £65,000 - 1
West London - 1 - - 9
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 7 (5.34%) CMS
1 7 (5.34%) Drupal
1 7 (5.34%) WordPress
2 5 (3.82%) SharePoint
3 3 (2.29%) Confluence
4 2 (1.53%) Microsoft Exchange
5 1 (0.76%) Adobe Experience Manager
5 1 (0.76%) Apache
5 1 (0.76%) Apache Airflow
5 1 (0.76%) Apache Spark
5 1 (0.76%) IIS
5 1 (0.76%) Tomcat
Applications
1 1 (0.76%) Microsoft Excel
1 1 (0.76%) Microsoft Office
1 1 (0.76%) Microsoft PowerPoint
1 1 (0.76%) Microsoft Project
Business Applications
1 1 (0.76%) Distributed Ledger
1 1 (0.76%) Elite 3E
1 1 (0.76%) Oracle Procure-to-Pay
1 1 (0.76%) Oracle SCM
1 1 (0.76%) Payment Gateway
1 1 (0.76%) Workfront
Cloud Services
1 56 (42.75%) Azure
2 43 (32.82%) AWS
3 27 (20.61%) Azure Logic Apps
4 22 (16.79%) Azure DevOps
4 22 (16.79%) Power Platform
5 18 (13.74%) Serverless
6 14 (10.69%) AWS Lambda
7 11 (8.40%) Azure Service Bus
8 10 (7.63%) AWS CloudFormation
9 9 (6.87%) Azure Monitor
10 8 (6.11%) Microsoft 365
11 7 (5.34%) Azure Data Factory
11 7 (5.34%) GCP
11 7 (5.34%) GitHub
11 7 (5.34%) PowerApps
12 6 (4.58%) Azure Event Grid
12 6 (4.58%) Dynamics 365
12 6 (4.58%) Microsoft Copilot
12 6 (4.58%) Power Automate
12 6 (4.58%) SaaS
Communications & Networking
1 3 (2.29%) HTTP
2 1 (0.76%) DNS
2 1 (0.76%) Network Security
2 1 (0.76%) TCP/IP
2 1 (0.76%) VPN
Database & Business Intelligence
1 23 (17.56%) PostgreSQL
2 19 (14.50%) Redis
3 10 (7.63%) Power BI
4 7 (5.34%) MySQL
5 5 (3.82%) Data Warehouse
5 5 (3.82%) Enterprise Data Warehouse
5 5 (3.82%) Metadata
5 5 (3.82%) SQL Server
6 4 (3.05%) Amazon Athena
6 4 (3.05%) Azure SQL Database
6 4 (3.05%) Parquet
7 3 (2.29%) Data Lake
7 3 (2.29%) DynamoDB
7 3 (2.29%) NoSQL
7 3 (2.29%) Relational Database
7 3 (2.29%) SQL Server Reporting Services
8 2 (1.53%) Amazon RDS
8 2 (1.53%) Amazon Redshift
8 2 (1.53%) Db2
8 2 (1.53%) Delta Lake
Development Applications
1 19 (14.50%) Git
2 10 (7.63%) Jenkins
2 10 (7.63%) Selenium
3 7 (5.34%) Postman
4 5 (3.82%) Gatling
4 5 (3.82%) Jasmine
4 5 (3.82%) Mocha
4 5 (3.82%) NUnit
5 4 (3.05%) JIRA
5 4 (3.05%) Maven
6 3 (2.29%) Cypress.io
6 3 (2.29%) Gradle
7 2 (1.53%) REST Assured
8 1 (0.76%) Cucumber
8 1 (0.76%) ER Studio
8 1 (0.76%) GitLab
8 1 (0.76%) Team Foundation Server
8 1 (0.76%) TeamCity
8 1 (0.76%) TestNG
8 1 (0.76%) WebDriver
General
1 71 (54.20%) Social Skills
2 44 (33.59%) Finance
3 28 (21.37%) Analytical Skills
4 9 (6.87%) Banking
4 9 (6.87%) Law
5 8 (6.11%) Documentation Skills
6 7 (5.34%) Legal
7 6 (4.58%) Organisational Skills
7 6 (4.58%) Public Sector
8 5 (3.82%) Health Technology
8 5 (3.82%) Investment Banking
9 4 (3.05%) Back Office
10 3 (2.29%) Prime Brokerage
10 3 (2.29%) Retail
11 2 (1.53%) Advertising
11 2 (1.53%) Billing
11 2 (1.53%) Front Office
11 2 (1.53%) Police
11 2 (1.53%) Publishing
12 1 (0.76%) Financial Institution
Job Titles
1 49 (37.40%) Developer
2 38 (29.01%) Senior
3 15 (11.45%) Ruby Developer
4 14 (10.69%) Integration Engineer
5 13 (9.92%) Senior Developer
5 13 (9.92%) Senior Integration Engineer
6 10 (7.63%) .NET Developer
6 10 (7.63%) DevOps Engineer
7 9 (6.87%) Artificial Intelligence Engineer
8 7 (5.34%) Architect
8 7 (5.34%) Integration Architect
9 6 (4.58%) Analyst
9 6 (4.58%) QA Engineer
9 6 (4.58%) Senior .NET Developer
10 5 (3.82%) Business Intelligence Developer
10 5 (3.82%) C# Developer
10 5 (3.82%) ETL Developer
10 5 (3.82%) Senior Software Engineer
10 5 (3.82%) SQL Developer
10 5 (3.82%) Support Specialist
Libraries, Frameworks & Software Standards
1 52 (39.69%) REST
2 31 (23.66%) .NET
3 29 (22.14%) RESTful
4 27 (20.61%) XML
5 25 (19.08%) .NET Core
6 20 (15.27%) ASP.NET
6 20 (15.27%) Terraform
7 17 (12.98%) Blazor
7 17 (12.98%) JWT
7 17 (12.98%) Razor View Engine
7 17 (12.98%) WebAssembly
8 16 (12.21%) CSS
8 16 (12.21%) HTML
9 15 (11.45%) Ruby on Rails
9 15 (11.45%) Sidekiq
10 11 (8.40%) React
11 10 (7.63%) HTML5
11 10 (7.63%) YAML
12 8 (6.11%) Kafka
13 7 (5.34%) Playwright
Miscellaneous
1 18 (13.74%) Enterprise Software
2 9 (6.87%) Onboarding
3 6 (4.58%) Cloud Native
3 6 (4.58%) Mobile App
3 6 (4.58%) Self-Motivation
4 5 (3.82%) Legacy Systems
4 5 (3.82%) Product Ownership
5 4 (3.05%) AI Agents
5 4 (3.05%) Greenfield Project
5 4 (3.05%) Management Information System
5 4 (3.05%) Public Cloud
6 2 (1.53%) AS400
6 2 (1.53%) Data Protection Act
6 2 (1.53%) Derivative
6 2 (1.53%) Foreign Exchange (FX)
6 2 (1.53%) Low-Code
6 2 (1.53%) Reference Data
6 2 (1.53%) Replication
6 2 (1.53%) Taxonomies
6 2 (1.53%) Team-Oriented Environment
Operating Systems
1 11 (8.40%) Linux
2 5 (3.82%) Windows
3 2 (1.53%) Android
4 1 (0.76%) Mac OS
4 1 (0.76%) Windows Server
Processes & Methodologies
1 65 (49.62%) CI/CD
2 56 (42.75%) Agile
3 52 (39.69%) DevOps
4 36 (27.48%) Test Automation
5 30 (22.90%) Microservices
6 27 (20.61%) Problem-Solving
7 26 (19.85%) User Experience
8 25 (19.08%) AI
9 22 (16.79%) Performance Tuning
9 22 (16.79%) Scrum
10 21 (16.03%) Clean Code
11 20 (15.27%) Infrastructure as Code
11 20 (15.27%) Mentoring
11 20 (15.27%) Translating Business Requirements
12 19 (14.50%) API Design
12 19 (14.50%) Continuous Improvement
13 18 (13.74%) Containerisation
13 18 (13.74%) Front End Development
14 17 (12.98%) Responsive Web Design
14 17 (12.98%) Typography
Programming Languages
1 35 (26.72%) C#
2 33 (25.19%) Python
3 30 (22.90%) SQL
4 20 (15.27%) JavaScript
5 15 (11.45%) Ruby
6 7 (5.34%) Java
6 7 (5.34%) PHP
7 6 (4.58%) Data Analysis Expressions
7 6 (4.58%) PowerShell
8 3 (2.29%) VBA
9 2 (1.53%) Bash
9 2 (1.53%) Bicep
9 2 (1.53%) Kusto Query Language
9 2 (1.53%) RPG
9 2 (1.53%) RPG IV
9 2 (1.53%) Search Processing Language
10 1 (0.76%) Kotlin
10 1 (0.76%) SPARQL
10 1 (0.76%) TypeScript
Qualifications
1 15 (11.45%) SC Cleared
1 15 (11.45%) Security Cleared
2 8 (6.11%) Azure Certification
2 8 (6.11%) Degree
3 3 (2.29%) CISSP
3 3 (2.29%) Computer Science Degree
4 2 (1.53%) (ISC)2 CCSP
4 2 (1.53%) CASP
4 2 (1.53%) CCSP
4 2 (1.53%) Cisco Certification
4 2 (1.53%) CompTIA CySA+
4 2 (1.53%) CompTIA Security+
4 2 (1.53%) Microsoft Certification
4 2 (1.53%) TOGAF Certification
5 1 (0.76%) A+ Certification
5 1 (0.76%) GIAC
5 1 (0.76%) ISTQB
5 1 (0.76%) Network+ Certification
5 1 (0.76%) SSCP
Quality Assurance & Compliance
1 32 (24.43%) Accessibility
2 11 (8.40%) WCAG
3 10 (7.63%) QA
4 5 (3.82%) Data Quality
4 5 (3.82%) SLA
5 3 (2.29%) GDPR
6 2 (1.53%) Basel III
7 1 (0.76%) Dublin Core
System Software
1 18 (13.74%) Docker
Systems Management
1 7 (5.34%) Grafana
2 3 (2.29%) Ansible
3 2 (1.53%) Kubernetes
3 2 (1.53%) Microsoft Intune
4 1 (0.76%) QRadar
Vendors
1 28 (21.37%) Microsoft
2 5 (3.82%) Google
2 5 (3.82%) IBM
3 4 (3.05%) Dynatrace
3 4 (3.05%) Foundry
3 4 (3.05%) OpenAI
3 4 (3.05%) Oracle
4 3 (2.29%) Splunk
5 2 (1.53%) MuleSoft
6 1 (0.76%) Aderant
6 1 (0.76%) ArcSight
6 1 (0.76%) ConnectWise
6 1 (0.76%) HubSpot
6 1 (0.76%) Intapp
6 1 (0.76%) LogRhythm
6 1 (0.76%) Sage
6 1 (0.76%) Salesforce
6 1 (0.76%) SAP
6 1 (0.76%) SGI
6 1 (0.76%) YouTube