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

6 months to
1 Oct 2026
Same period 2025 Same period 2024
Rank 314 294 289
Rank change year-on-year -20 -5 -106
Permanent jobs citing JSON 136 95 187
As % of all permanent jobs in London 0.52% 0.80% 0.99%
As % of the Libraries, Frameworks & Software Standards category 3.43% 2.91% 3.41%
Number of salaries quoted 92 55 135
10th Percentile £46,278 £47,500 £42,500
25th Percentile £61,250 £52,905 £50,625
Median annual salary (50th Percentile) £75,000 £70,000 £70,000
Median % change year-on-year +7.14% - -6.67%
75th Percentile £86,563 £81,000 £83,750
90th Percentile £88,625 £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 3,966 3,262 5,479
As % of all permanent jobs advertised in London 15.30% 27.62% 29.12%
Number of salaries quoted 2,507 2,202 3,637
10th Percentile £52,500 £52,275 £52,500
25th Percentile £66,250 £64,000 £64,000
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 £116,750 £135,000 £142,500
England median annual salary £67,500 £70,000 £65,000
% change year-on-year -3.57% +7.69% -6.40%

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 1 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 1 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 +1 7 £81,250 +30.00% 40
South London -14 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 6 (4.41%) CMS
1 6 (4.41%) Drupal
1 6 (4.41%) WordPress
2 5 (3.68%) SharePoint
3 3 (2.21%) Confluence
4 1 (0.74%) Adobe Experience Manager
4 1 (0.74%) Apache
4 1 (0.74%) Apache Airflow
4 1 (0.74%) Apache Spark
4 1 (0.74%) Cloud Foundry
4 1 (0.74%) IIS
4 1 (0.74%) Microsoft Exchange
4 1 (0.74%) Tomcat
Applications
1 1 (0.74%) Microsoft Excel
1 1 (0.74%) Microsoft Office
1 1 (0.74%) Microsoft PowerPoint
1 1 (0.74%) Microsoft Project
Business Applications
1 1 (0.74%) Distributed Ledger
1 1 (0.74%) Elite 3E
1 1 (0.74%) Oracle Procure-to-Pay
1 1 (0.74%) Oracle SCM
1 1 (0.74%) Payment Gateway
1 1 (0.74%) Workfront
Cloud Services
1 55 (40.44%) Azure
2 45 (33.09%) AWS
3 26 (19.12%) Azure Logic Apps
4 21 (15.44%) Azure DevOps
4 21 (15.44%) Power Platform
5 18 (13.24%) Serverless
6 15 (11.03%) AWS Lambda
7 11 (8.09%) AWS CloudFormation
8 10 (7.35%) Azure Service Bus
9 8 (5.88%) Azure Monitor
10 7 (5.15%) Azure Data Factory
10 7 (5.15%) GCP
10 7 (5.15%) Microsoft 365
10 7 (5.15%) PowerApps
11 6 (4.41%) Dynamics 365
11 6 (4.41%) GitHub
11 6 (4.41%) Power Automate
12 5 (3.68%) BrowserStack
12 5 (3.68%) PaaS
12 5 (3.68%) SaaS
Communications & Networking
1 3 (2.21%) HTTP
2 1 (0.74%) DNS
2 1 (0.74%) Network Security
2 1 (0.74%) TCP/IP
2 1 (0.74%) VPN
Database & Business Intelligence
1 24 (17.65%) PostgreSQL
2 20 (14.71%) Redis
3 9 (6.62%) Power BI
4 6 (4.41%) MySQL
5 5 (3.68%) Data Warehouse
5 5 (3.68%) Enterprise Data Warehouse
5 5 (3.68%) Metadata
5 5 (3.68%) SQL Server
6 4 (2.94%) Amazon Athena
6 4 (2.94%) Azure SQL Database
6 4 (2.94%) Parquet
7 3 (2.21%) Amazon RDS
7 3 (2.21%) Data Lake
7 3 (2.21%) DynamoDB
7 3 (2.21%) NoSQL
7 3 (2.21%) Relational Database
7 3 (2.21%) SQL Server Reporting Services
8 2 (1.47%) Amazon Redshift
8 2 (1.47%) Apache Iceberg
8 2 (1.47%) Delta Lake
Development Applications
1 21 (15.44%) Git
2 11 (8.09%) Jenkins
3 10 (7.35%) Selenium
4 9 (6.62%) Postman
5 5 (3.68%) Gatling
5 5 (3.68%) Jasmine
5 5 (3.68%) Maven
5 5 (3.68%) Mocha
5 5 (3.68%) NUnit
6 4 (2.94%) Gradle
6 4 (2.94%) JIRA
7 3 (2.21%) Cypress.io
8 2 (1.47%) REST Assured
8 2 (1.47%) Team Foundation Server
9 1 (0.74%) Atlassian Bamboo
9 1 (0.74%) Cucumber
9 1 (0.74%) ER Studio
9 1 (0.74%) GitLab
9 1 (0.74%) SoapUI
9 1 (0.74%) WebDriver
General
1 74 (54.41%) Social Skills
2 45 (33.09%) Finance
3 30 (22.06%) Analytical Skills
4 9 (6.62%) Banking
4 9 (6.62%) Law
5 8 (5.88%) Organisational Skills
6 7 (5.15%) Documentation Skills
6 7 (5.15%) Health Technology
6 7 (5.15%) Legal
7 5 (3.68%) Back Office
7 5 (3.68%) Investment Banking
7 5 (3.68%) Public Sector
8 3 (2.21%) Prime Brokerage
8 3 (2.21%) Retail
9 2 (1.47%) Advertising
9 2 (1.47%) Billing
9 2 (1.47%) Front Office
10 1 (0.74%) Police
10 1 (0.74%) Presentation Skills
10 1 (0.74%) Publishing
Job Titles
1 51 (37.50%) Developer
2 37 (27.21%) Senior
3 16 (11.76%) Ruby Developer
4 14 (10.29%) Integration Engineer
5 13 (9.56%) Senior Developer
5 13 (9.56%) Senior Integration Engineer
6 11 (8.09%) DevOps Engineer
7 10 (7.35%) .NET Developer
8 9 (6.62%) Artificial Intelligence Engineer
9 7 (5.15%) Architect
9 7 (5.15%) Customer Support Specialist
9 7 (5.15%) Support Specialist
10 6 (4.41%) Analyst
10 6 (4.41%) Integration Architect
10 6 (4.41%) QA Engineer
10 6 (4.41%) Senior .NET Developer
11 5 (3.68%) Business Intelligence Developer
11 5 (3.68%) C# .NET Developer
11 5 (3.68%) ETL Developer
11 5 (3.68%) SQL BI Developer
Libraries, Frameworks & Software Standards
1 53 (38.97%) REST
2 32 (23.53%) RESTful
3 31 (22.79%) .NET
4 27 (19.85%) XML
5 25 (18.38%) .NET Core
6 20 (14.71%) ASP.NET
6 20 (14.71%) Terraform
7 19 (13.97%) JWT
8 17 (12.50%) Blazor
8 17 (12.50%) CSS
8 17 (12.50%) HTML
8 17 (12.50%) Razor View Engine
8 17 (12.50%) WebAssembly
9 16 (11.76%) Ruby on Rails
9 16 (11.76%) Sidekiq
10 11 (8.09%) React
10 11 (8.09%) YAML
11 9 (6.62%) HTML5
12 8 (5.88%) Kafka
13 7 (5.15%) .NET Framework
Miscellaneous
1 18 (13.24%) Enterprise Software
2 8 (5.88%) Onboarding
3 7 (5.15%) Cloud Native
4 6 (4.41%) Mobile App
4 6 (4.41%) Product Ownership
4 6 (4.41%) Self-Motivation
5 5 (3.68%) Legacy Systems
5 5 (3.68%) Public Cloud
6 4 (2.94%) AI Agents
6 4 (2.94%) Greenfield Project
6 4 (2.94%) Management Information System
7 2 (1.47%) AS400
7 2 (1.47%) Data Protection Act
7 2 (1.47%) Derivative
7 2 (1.47%) Foreign Exchange (FX)
7 2 (1.47%) Low-Code
7 2 (1.47%) Reference Data
7 2 (1.47%) Replication
7 2 (1.47%) Taxonomies
7 2 (1.47%) Team-Oriented Environment
Operating Systems
1 12 (8.82%) Linux
2 5 (3.68%) Windows
3 2 (1.47%) Android
4 1 (0.74%) Mac OS
4 1 (0.74%) Windows Server
Processes & Methodologies
1 66 (48.53%) CI/CD
2 56 (41.18%) Agile
3 53 (38.97%) DevOps
4 35 (25.74%) Test Automation
5 30 (22.06%) Microservices
5 30 (22.06%) Problem-Solving
6 28 (20.59%) User Experience
7 24 (17.65%) AI
7 24 (17.65%) Performance Tuning
8 23 (16.91%) Clean Code
8 23 (16.91%) Scrum
9 21 (15.44%) Continuous Improvement
10 20 (14.71%) API Design
10 20 (14.71%) Containerisation
10 20 (14.71%) Infrastructure as Code
10 20 (14.71%) Mentoring
10 20 (14.71%) Translating Business Requirements
11 18 (13.24%) Front End Development
11 18 (13.24%) OOP
12 17 (12.50%) Responsive Web Design
Programming Languages
1 35 (25.74%) C#
2 34 (25.00%) Python
3 31 (22.79%) SQL
4 24 (17.65%) JavaScript
5 16 (11.76%) Ruby
6 8 (5.88%) Java
7 6 (4.41%) Data Analysis Expressions
7 6 (4.41%) PHP
8 5 (3.68%) PowerShell
9 3 (2.21%) VBA
10 2 (1.47%) Bash
10 2 (1.47%) Kusto Query Language
10 2 (1.47%) Lua
10 2 (1.47%) RPG
10 2 (1.47%) RPG IV
10 2 (1.47%) Search Processing Language
11 1 (0.74%) Bicep
11 1 (0.74%) Kotlin
11 1 (0.74%) SPARQL
11 1 (0.74%) TypeScript
Qualifications
1 15 (11.03%) SC Cleared
1 15 (11.03%) Security Cleared
2 7 (5.15%) Azure Certification
2 7 (5.15%) Degree
3 3 (2.21%) CISSP
4 2 (1.47%) (ISC)2 CCSP
4 2 (1.47%) CASP
4 2 (1.47%) CCSP
4 2 (1.47%) Cisco Certification
4 2 (1.47%) CompTIA CySA+
4 2 (1.47%) CompTIA Security+
4 2 (1.47%) Computer Science Degree
4 2 (1.47%) Microsoft Certification
5 1 (0.74%) A+ Certification
5 1 (0.74%) GIAC
5 1 (0.74%) ISTQB
5 1 (0.74%) Network+ Certification
5 1 (0.74%) SSCP
5 1 (0.74%) TOGAF Certification
Quality Assurance & Compliance
1 31 (22.79%) Accessibility
2 11 (8.09%) QA
3 10 (7.35%) WCAG
4 7 (5.15%) SLA
5 5 (3.68%) Data Quality
6 3 (2.21%) GDPR
7 2 (1.47%) Basel III
8 1 (0.74%) Dublin Core
System Software
1 22 (16.18%) Docker
Systems Management
1 6 (4.41%) Grafana
2 5 (3.68%) Kubernetes
3 4 (2.94%) Ansible
4 2 (1.47%) Microsoft Intune
5 1 (0.74%) QRadar
Vendors
1 26 (19.12%) Microsoft
2 5 (3.68%) Google
2 5 (3.68%) IBM
3 4 (2.94%) OpenAI
3 4 (2.94%) Oracle
4 3 (2.21%) Dynatrace
4 3 (2.21%) Foundry
4 3 (2.21%) Splunk
5 2 (1.47%) MuleSoft
6 1 (0.74%) Aderant
6 1 (0.74%) Adobe
6 1 (0.74%) ArcSight
6 1 (0.74%) Exabeam
6 1 (0.74%) HubSpot
6 1 (0.74%) Intapp
6 1 (0.74%) LogRhythm
6 1 (0.74%) Sage
6 1 (0.74%) Salesforce
6 1 (0.74%) SAP
6 1 (0.74%) YouTube