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

6 months to
16 Oct 2026
Same period 2025 Same period 2024
Rank 321 293 267
Rank change year-on-year -28 -26 -90
Permanent jobs citing JSON 138 90 186
As % of all permanent jobs in London 0.53% 0.77% 1.04%
As % of the Libraries, Frameworks & Software Standards category 3.51% 2.84% 3.46%
Number of salaries quoted 95 54 133
10th Percentile £46,526 £50,000 £42,500
25th Percentile £62,500 £55,625 £47,500
Median annual salary (50th Percentile) £75,000 £70,000 £70,000
Median % change year-on-year +7.14% - -12.50%
75th Percentile £86,875 £80,375 £85,000
90th Percentile £89,500 £109,500 £105,000
England median annual salary £62,500 £60,000 £62,000
% change year-on-year +4.17% -3.23% -4.62%

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 3,928 3,168 5,381
As % of all permanent jobs advertised in London 14.99% 27.01% 30.05%
Number of salaries quoted 2,439 2,143 3,570
10th Percentile £51,250 £52,500 £52,500
25th Percentile £66,750 £65,000 £65,000
Median annual salary (50th Percentile) £85,000 £85,000 £85,000
Median % change year-on-year - - +6.25%
75th Percentile £100,000 £112,500 £111,250
90th Percentile £117,500 £135,000 £140,000
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 16 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 16 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 8 £85,000 +38.78% 4
South London -20 1 £65,000 -
West London - 1 - - 5
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 8 (5.80%) CMS
1 8 (5.80%) Drupal
1 8 (5.80%) WordPress
2 5 (3.62%) SharePoint
3 3 (2.17%) Confluence
4 2 (1.45%) Apache Airflow
4 2 (1.45%) Microsoft Exchange
5 1 (0.72%) Adobe Experience Manager
5 1 (0.72%) Apache
5 1 (0.72%) Apache Spark
5 1 (0.72%) IIS
5 1 (0.72%) Tomcat
Applications
1 2 (1.45%) Microsoft Excel
2 1 (0.72%) Microsoft Office
2 1 (0.72%) Microsoft PowerPoint
2 1 (0.72%) Microsoft Project
Business Applications
1 2 (1.45%) Oracle SCM
2 1 (0.72%) Distributed Ledger
2 1 (0.72%) Elite 3E
2 1 (0.72%) Oracle Procure-to-Pay
2 1 (0.72%) Payment Gateway
2 1 (0.72%) Workfront
Cloud Services
1 62 (44.93%) Azure
2 47 (34.06%) AWS
3 27 (19.57%) Azure Logic Apps
4 23 (16.67%) Power Platform
5 22 (15.94%) Azure DevOps
6 16 (11.59%) Serverless
7 12 (8.70%) AWS Lambda
8 11 (7.97%) Azure Service Bus
8 11 (7.97%) GCP
9 10 (7.25%) Azure Monitor
10 9 (6.52%) AWS CloudFormation
11 8 (5.80%) Azure Data Factory
11 8 (5.80%) GitHub
11 8 (5.80%) Microsoft 365
12 7 (5.07%) PowerApps
13 6 (4.35%) Azure AI
13 6 (4.35%) Azure Event Grid
13 6 (4.35%) Dynamics 365
13 6 (4.35%) Power Automate
13 6 (4.35%) SaaS
Communications & Networking
1 4 (2.90%) HTTP
2 1 (0.72%) DNS
2 1 (0.72%) HTTPS
2 1 (0.72%) Network Security
2 1 (0.72%) TCP/IP
2 1 (0.72%) VPN
Database & Business Intelligence
1 23 (16.67%) PostgreSQL
2 19 (13.77%) Redis
3 11 (7.97%) Power BI
4 9 (6.52%) MySQL
5 7 (5.07%) Data Warehouse
6 6 (4.35%) Enterprise Data Warehouse
6 6 (4.35%) Metadata
6 6 (4.35%) SQL Server
7 4 (2.90%) Azure SQL Database
7 4 (2.90%) Data Lake
7 4 (2.90%) Parquet
7 4 (2.90%) Relational Database
8 3 (2.17%) Amazon Athena
8 3 (2.17%) NoSQL
8 3 (2.17%) SQL Server Reporting Services
9 2 (1.45%) Amazon RDS
9 2 (1.45%) Amazon Redshift
9 2 (1.45%) Db2
9 2 (1.45%) Delta Lake
9 2 (1.45%) DynamoDB
Development Applications
1 20 (14.49%) Git
2 10 (7.25%) Selenium
3 9 (6.52%) Jenkins
4 8 (5.80%) Postman
5 5 (3.62%) Gatling
5 5 (3.62%) Jasmine
5 5 (3.62%) JIRA
5 5 (3.62%) Mocha
5 5 (3.62%) NUnit
6 3 (2.17%) Cypress.io
6 3 (2.17%) Maven
7 2 (1.45%) Gradle
7 2 (1.45%) REST Assured
8 1 (0.72%) Cucumber
8 1 (0.72%) ER Studio
8 1 (0.72%) ERwin
8 1 (0.72%) JUnit
8 1 (0.72%) SoapUI
8 1 (0.72%) TestNG
8 1 (0.72%) WebDriver
General
1 75 (54.35%) Social Skills
2 46 (33.33%) Finance
3 28 (20.29%) Analytical Skills
4 10 (7.25%) Banking
4 10 (7.25%) Law
5 9 (6.52%) Documentation Skills
6 8 (5.80%) Legal
6 8 (5.80%) Public Sector
7 6 (4.35%) Investment Banking
8 4 (2.90%) Back Office
8 4 (2.90%) Organisational Skills
9 3 (2.17%) Health Technology
9 3 (2.17%) Prime Brokerage
9 3 (2.17%) Retail
10 2 (1.45%) Advertising
10 2 (1.45%) Front Office
10 2 (1.45%) Marketing
10 2 (1.45%) Police
10 2 (1.45%) Publishing
11 1 (0.72%) Presentation Skills
Job Titles
1 51 (36.96%) Developer
2 40 (28.99%) Senior
3 15 (10.87%) Ruby Developer
4 14 (10.14%) Integration Engineer
4 14 (10.14%) Senior Developer
5 13 (9.42%) Senior Integration Engineer
6 11 (7.97%) Artificial Intelligence Engineer
7 10 (7.25%) .NET Developer
8 9 (6.52%) Architect
8 9 (6.52%) DevOps Engineer
9 8 (5.80%) Analyst
10 7 (5.07%) Integration Architect
11 6 (4.35%) QA Engineer
11 6 (4.35%) Senior .NET Developer
12 5 (3.62%) Business Intelligence Developer
12 5 (3.62%) C# .NET Developer
12 5 (3.62%) ETL Developer
12 5 (3.62%) Power BI Developer
12 5 (3.62%) SQL BI Developer
12 5 (3.62%) SQL Developer
Libraries, Frameworks & Software Standards
1 54 (39.13%) REST
2 32 (23.19%) XML
3 31 (22.46%) .NET
3 31 (22.46%) RESTful
4 25 (18.12%) .NET Core
5 20 (14.49%) ASP.NET
5 20 (14.49%) Terraform
6 17 (12.32%) Blazor
6 17 (12.32%) JWT
6 17 (12.32%) Razor View Engine
6 17 (12.32%) WebAssembly
7 15 (10.87%) CSS
7 15 (10.87%) HTML
7 15 (10.87%) Ruby on Rails
7 15 (10.87%) Sidekiq
8 12 (8.70%) React
9 11 (7.97%) HTML5
10 9 (6.52%) YAML
11 8 (5.80%) Ajax
11 8 (5.80%) Kafka
Miscellaneous
1 18 (13.04%) Enterprise Software
2 9 (6.52%) Onboarding
3 6 (4.35%) Cloud Native
3 6 (4.35%) Mobile App
3 6 (4.35%) Self-Motivation
4 5 (3.62%) AI Agents
4 5 (3.62%) Legacy Systems
4 5 (3.62%) Product Ownership
5 4 (2.90%) Greenfield Project
5 4 (2.90%) Management Information System
6 3 (2.17%) Public Cloud
7 2 (1.45%) AS400
7 2 (1.45%) Data Protection Act
7 2 (1.45%) Data Structures
7 2 (1.45%) Derivative
7 2 (1.45%) Low-Code
7 2 (1.45%) Reference Data
7 2 (1.45%) Replication
7 2 (1.45%) Taxonomies
7 2 (1.45%) Team-Oriented Environment
Operating Systems
1 10 (7.25%) Linux
2 5 (3.62%) Windows
3 3 (2.17%) Android
4 1 (0.72%) macOS
4 1 (0.72%) Windows Server
Processes & Methodologies
1 68 (49.28%) CI/CD
2 61 (44.20%) Agile
3 52 (37.68%) DevOps
4 38 (27.54%) Test Automation
5 32 (23.19%) Microservices
6 27 (19.57%) AI
6 27 (19.57%) Problem-Solving
7 25 (18.12%) User Experience
8 23 (16.67%) Clean Code
8 23 (16.67%) Scrum
9 22 (15.94%) Performance Tuning
9 22 (15.94%) Translating Business Requirements
10 21 (15.22%) Mentoring
11 20 (14.49%) Containerisation
11 20 (14.49%) Infrastructure as Code
12 19 (13.77%) API Design
12 19 (13.77%) Software Engineering
12 19 (13.77%) Stakeholder Management
13 18 (13.04%) Front End Development
13 18 (13.04%) Validation
Programming Languages
1 35 (25.36%) C#
2 34 (24.64%) Python
3 33 (23.91%) SQL
4 20 (14.49%) JavaScript
5 15 (10.87%) Ruby
6 8 (5.80%) Java
6 8 (5.80%) PHP
7 7 (5.07%) Data Analysis Expressions
8 6 (4.35%) PowerShell
9 3 (2.17%) VBA
10 2 (1.45%) Bash
10 2 (1.45%) Bicep
10 2 (1.45%) Kusto Query Language
10 2 (1.45%) RPG
10 2 (1.45%) RPG IV
10 2 (1.45%) Search Processing Language
11 1 (0.72%) Kotlin
11 1 (0.72%) SPARQL
11 1 (0.72%) TypeScript
Qualifications
1 16 (11.59%) SC Cleared
1 16 (11.59%) Security Cleared
2 8 (5.80%) Azure Certification
2 8 (5.80%) Degree
3 3 (2.17%) CISSP
3 3 (2.17%) Computer Science Degree
4 2 (1.45%) (ISC)2 CCSP
4 2 (1.45%) CASP
4 2 (1.45%) CCSP
4 2 (1.45%) Cisco Certification
4 2 (1.45%) CompTIA CySA+
4 2 (1.45%) CompTIA Security+
4 2 (1.45%) Microsoft Certification
4 2 (1.45%) TOGAF Certification
5 1 (0.72%) A+ Certification
5 1 (0.72%) GIAC
5 1 (0.72%) Network+ Certification
5 1 (0.72%) OCP
5 1 (0.72%) Oracle Certification
5 1 (0.72%) SSCP
Quality Assurance & Compliance
1 33 (23.91%) Accessibility
2 12 (8.70%) WCAG
3 10 (7.25%) QA
4 7 (5.07%) Data Quality
5 5 (3.62%) GDPR
6 3 (2.17%) SLA
7 2 (1.45%) Basel III
8 1 (0.72%) Dublin Core
System Software
1 20 (14.49%) Docker
Systems Management
1 7 (5.07%) Grafana
2 2 (1.45%) Ansible
2 2 (1.45%) Kubernetes
2 2 (1.45%) Microsoft Intune
3 1 (0.72%) QRadar
Vendors
1 30 (21.74%) Microsoft
2 6 (4.35%) Google
2 6 (4.35%) OpenAI
2 6 (4.35%) Oracle
3 5 (3.62%) Foundry
3 5 (3.62%) IBM
4 4 (2.90%) Dynatrace
5 3 (2.17%) Adobe
5 3 (2.17%) Splunk
6 2 (1.45%) MuleSoft
6 2 (1.45%) Sage
7 1 (0.72%) Aderant
7 1 (0.72%) ArcSight
7 1 (0.72%) ConnectWise
7 1 (0.72%) HubSpot
7 1 (0.72%) Intapp
7 1 (0.72%) LogRhythm
7 1 (0.72%) Salesforce
7 1 (0.72%) SAP
7 1 (0.72%) SGI