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 3 September 2026, with comparisons to the same periods in the previous two years.

6 months to
3 Sep 2026
Same period 2025 Same period 2024
Rank 317 278 286
Rank change year-on-year -39 +8 -90
Permanent jobs citing JSON 126 110 191
As % of all permanent jobs in London 0.52% 0.92% 0.99%
As % of the Libraries, Frameworks & Software Standards category 3.22% 3.21% 3.52%
Number of salaries quoted 83 64 141
10th Percentile £41,250 £46,960 £42,500
25th Percentile £61,875 £50,938 £51,250
Median annual salary (50th Percentile) £75,000 £65,000 £70,000
Median % change year-on-year +15.38% -7.14% -3.45%
75th Percentile £86,250 £80,000 £83,750
90th Percentile £88,500 £101,375 £98,750
England median annual salary £62,500 £60,000 £60,000
% 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 3,913 3,427 5,423
As % of all permanent jobs advertised in London 16.21% 28.66% 28.18%
Number of salaries quoted 2,529 2,345 3,836
10th Percentile £52,500 £50,000 £50,000
25th Percentile £66,250 £63,750 £63,750
Median annual salary (50th Percentile) £85,000 £82,500 £85,000
Median % change year-on-year +3.03% -2.94% +6.25%
75th Percentile £100,000 £110,000 £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% -7.14%

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 3 September 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 3 September 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 -6 5 £87,500 +32.08% 21
South London -15 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 5 (3.97%) CMS
1 5 (3.97%) Drupal
1 5 (3.97%) WordPress
2 3 (2.38%) SharePoint
3 1 (0.79%) Adobe Experience Manager
3 1 (0.79%) Apache
3 1 (0.79%) Apache Airflow
3 1 (0.79%) Apache Spark
3 1 (0.79%) Cloud Foundry
3 1 (0.79%) Confluence
3 1 (0.79%) IIS
3 1 (0.79%) Tomcat
Applications
1 1 (0.79%) Microsoft Excel
1 1 (0.79%) Microsoft PowerPoint
1 1 (0.79%) Microsoft Project
Business Applications
1 1 (0.79%) Distributed Ledger
1 1 (0.79%) Oracle Procure-to-Pay
1 1 (0.79%) Oracle SCM
1 1 (0.79%) Payment Gateway
1 1 (0.79%) Workfront
Cloud Services
1 48 (38.10%) Azure
2 43 (34.13%) AWS
3 24 (19.05%) Azure Logic Apps
4 18 (14.29%) Azure DevOps
5 17 (13.49%) Power Platform
6 15 (11.90%) Serverless
7 14 (11.11%) AWS Lambda
8 11 (8.73%) AWS CloudFormation
9 9 (7.14%) Azure Service Bus
10 8 (6.35%) GCP
11 6 (4.76%) Azure Monitor
12 5 (3.97%) Azure Data Factory
12 5 (3.97%) BrowserStack
12 5 (3.97%) Dynamics 365
12 5 (3.97%) Microsoft 365
12 5 (3.97%) PaaS
12 5 (3.97%) PowerApps
13 4 (3.17%) Azure Event Grid
13 4 (3.17%) Power Automate
13 4 (3.17%) SaaS
Communications & Networking
1 2 (1.59%) HTTP
2 1 (0.79%) DNS
2 1 (0.79%) Network Security
2 1 (0.79%) TCP/IP
2 1 (0.79%) VPN
Database & Business Intelligence
1 26 (20.63%) PostgreSQL
2 21 (16.67%) Redis
3 7 (5.56%) Power BI
4 6 (4.76%) Metadata
4 6 (4.76%) MySQL
4 6 (4.76%) Relational Database
5 4 (3.17%) Data Warehouse
5 4 (3.17%) Enterprise Data Warehouse
5 4 (3.17%) SQL Server
6 3 (2.38%) Amazon Athena
6 3 (2.38%) Amazon RDS
6 3 (2.38%) Azure SQL Database
6 3 (2.38%) DynamoDB
6 3 (2.38%) NoSQL
6 3 (2.38%) Parquet
6 3 (2.38%) RDBMS
7 2 (1.59%) Apache Iceberg
7 2 (1.59%) Data Lake
7 2 (1.59%) Delta Lake
7 2 (1.59%) SQL Server Reporting Services
Development Applications
1 18 (14.29%) Git
2 11 (8.73%) Jenkins
3 9 (7.14%) Selenium
4 7 (5.56%) Postman
5 5 (3.97%) Gatling
5 5 (3.97%) Jasmine
5 5 (3.97%) Maven
5 5 (3.97%) Mocha
5 5 (3.97%) NUnit
6 4 (3.17%) Gradle
7 3 (2.38%) Cypress.io
7 3 (2.38%) ERwin
8 2 (1.59%) JIRA
8 2 (1.59%) Team Foundation Server
9 1 (0.79%) Atlassian Bamboo
9 1 (0.79%) Cucumber
9 1 (0.79%) Mockito
9 1 (0.79%) SoapUI
9 1 (0.79%) TeamCity
9 1 (0.79%) WebDriver
General
1 70 (55.56%) Social Skills
2 42 (33.33%) Finance
3 33 (26.19%) Analytical Skills
4 9 (7.14%) Organisational Skills
5 8 (6.35%) Health Technology
6 7 (5.56%) Law
7 6 (4.76%) Banking
8 5 (3.97%) Back Office
8 5 (3.97%) Documentation Skills
8 5 (3.97%) Legal
9 4 (3.17%) Investment Banking
9 4 (3.17%) Public Sector
10 3 (2.38%) Financial Institution
10 3 (2.38%) Prime Brokerage
11 2 (1.59%) Advertising
11 2 (1.59%) Billing
11 2 (1.59%) Retail
12 1 (0.79%) Front Office
12 1 (0.79%) Presentation Skills
12 1 (0.79%) Telecoms
Job Titles
1 46 (36.51%) Developer
2 33 (26.19%) Senior
3 17 (13.49%) Ruby Developer
4 14 (11.11%) Integration Engineer
5 13 (10.32%) Senior Integration Engineer
6 11 (8.73%) DevOps Engineer
6 11 (8.73%) Senior Developer
7 8 (6.35%) .NET Developer
7 8 (6.35%) Customer Support Specialist
7 8 (6.35%) Support Specialist
8 6 (4.76%) Architect
9 5 (3.97%) Analyst
9 5 (3.97%) Artificial Intelligence Engineer
9 5 (3.97%) Integration Architect
9 5 (3.97%) QA Engineer
9 5 (3.97%) Senior .NET Developer
9 5 (3.97%) Senior Software Engineer
9 5 (3.97%) Software Engineer
10 4 (3.17%) C# .NET Developer
10 4 (3.17%) Power BI Developer
Libraries, Frameworks & Software Standards
1 45 (35.71%) REST
2 32 (25.40%) RESTful
3 29 (23.02%) .NET
4 24 (19.05%) .NET Core
5 23 (18.25%) XML
6 20 (15.87%) JWT
7 19 (15.08%) ASP.NET
7 19 (15.08%) Terraform
8 17 (13.49%) Blazor
8 17 (13.49%) Razor View Engine
8 17 (13.49%) Ruby on Rails
8 17 (13.49%) Sidekiq
8 17 (13.49%) WebAssembly
9 15 (11.90%) CSS
9 15 (11.90%) HTML
10 11 (8.73%) React
10 11 (8.73%) YAML
11 8 (6.35%) Kafka
12 7 (5.56%) HTML5
13 6 (4.76%) .NET Framework
Miscellaneous
1 18 (14.29%) Enterprise Software
2 7 (5.56%) Cloud Native
2 7 (5.56%) Onboarding
3 6 (4.76%) Self-Motivation
4 5 (3.97%) Legacy Systems
4 5 (3.97%) Mobile App
4 5 (3.97%) Public Cloud
5 4 (3.17%) Analytical Mindset
5 4 (3.17%) Product Ownership
6 3 (2.38%) Data Structures
6 3 (2.38%) e-Learning
6 3 (2.38%) Greenfield Project
6 3 (2.38%) Management Information System
7 2 (1.59%) Data Protection Act
7 2 (1.59%) Derivative
7 2 (1.59%) Foreign Exchange (FX)
7 2 (1.59%) Replication
7 2 (1.59%) Team-Oriented Environment
8 1 (0.79%) Distributed Systems
8 1 (0.79%) Security Posture
Operating Systems
1 12 (9.52%) Linux
2 4 (3.17%) Windows
3 2 (1.59%) Android
4 1 (0.79%) Mac OS
4 1 (0.79%) Windows Server
Processes & Methodologies
1 60 (47.62%) CI/CD
2 53 (42.06%) Agile
3 49 (38.89%) DevOps
4 31 (24.60%) Test Automation
5 29 (23.02%) Microservices
5 29 (23.02%) User Experience
6 28 (22.22%) Problem-Solving
7 25 (19.84%) Performance Tuning
8 23 (18.25%) Clean Code
9 22 (17.46%) Scrum
10 21 (16.67%) API Design
10 21 (16.67%) Containerisation
11 19 (15.08%) Continuous Improvement
11 19 (15.08%) Infrastructure as Code
12 18 (14.29%) AI
12 18 (14.29%) Front End Development
12 18 (14.29%) Mentoring
12 18 (14.29%) OOP
13 17 (13.49%) Responsive Web Design
13 17 (13.49%) Translating Business Requirements
Programming Languages
1 33 (26.19%) C#
2 32 (25.40%) Python
3 23 (18.25%) SQL
4 21 (16.67%) JavaScript
5 17 (13.49%) Ruby
6 7 (5.56%) Java
7 5 (3.97%) Data Analysis Expressions
7 5 (3.97%) PHP
8 3 (2.38%) PowerShell
9 2 (1.59%) Bash
9 2 (1.59%) Kusto Query Language
9 2 (1.59%) Lua
9 2 (1.59%) Search Processing Language
9 2 (1.59%) VBA
10 1 (0.79%) SPARQL
10 1 (0.79%) TypeScript
Qualifications
1 13 (10.32%) SC Cleared
1 13 (10.32%) Security Cleared
2 6 (4.76%) Azure Certification
2 6 (4.76%) Degree
3 3 (2.38%) CISSP
4 2 (1.59%) (ISC)2 CCSP
4 2 (1.59%) CASP
4 2 (1.59%) CCSP
4 2 (1.59%) Cisco Certification
4 2 (1.59%) CompTIA CySA+
4 2 (1.59%) CompTIA Security+
4 2 (1.59%) Computer Science Degree
4 2 (1.59%) Microsoft Certification
5 1 (0.79%) A+ Certification
5 1 (0.79%) GIAC
5 1 (0.79%) ISTQB
5 1 (0.79%) Network+ Certification
5 1 (0.79%) SSCP
Quality Assurance & Compliance
1 29 (23.02%) Accessibility
2 10 (7.94%) QA
3 9 (7.14%) WCAG
4 8 (6.35%) SLA
5 3 (2.38%) Data Quality
5 3 (2.38%) GDPR
6 1 (0.79%) Basel III
6 1 (0.79%) Dublin Core
System Software
1 23 (18.25%) Docker
Systems Management
1 6 (4.76%) Kubernetes
2 5 (3.97%) Grafana
3 4 (3.17%) Ansible
4 2 (1.59%) Microsoft Intune
5 1 (0.79%) QRadar
Vendors
1 20 (15.87%) Microsoft
2 5 (3.97%) Google
3 4 (3.17%) Oracle
4 3 (2.38%) IBM
4 3 (2.38%) OpenAI
4 3 (2.38%) Sparx
4 3 (2.38%) Splunk
5 2 (1.59%) Dynatrace
5 2 (1.59%) MuleSoft
6 1 (0.79%) Adobe
6 1 (0.79%) ArcSight
6 1 (0.79%) Exabeam
6 1 (0.79%) Foundry
6 1 (0.79%) HubSpot
6 1 (0.79%) LogRhythm
6 1 (0.79%) Sage
6 1 (0.79%) Salesforce
6 1 (0.79%) SAP
6 1 (0.79%) SGI
6 1 (0.79%) YouTube