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 9 March 2026, with comparisons to the same periods in the previous two years.

6 months to
9 Mar 2026
Same period 2025 Same period 2024
Rank 303 262 184
Rank change year-on-year -41 -78 +29
Permanent jobs citing JSON 89 151 360
As % of all permanent jobs in London 0.54% 1.10% 1.64%
As % of the Libraries, Frameworks & Software Standards category 3.12% 4.05% 6.33%
Number of salaries quoted 57 100 296
10th Percentile £55,750 £44,750 £49,898
25th Percentile £56,250 £55,938 £57,875
Median annual salary (50th Percentile) £70,000 £72,500 £72,500
Median % change year-on-year -3.45% - -7.22%
75th Percentile £81,250 £92,500 £90,000
90th Percentile £90,000 £105,342 £112,500
England median annual salary £60,000 £62,500 £60,000
% change year-on-year -4.00% +4.17% -11.11%

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 2,854 3,731 5,683
As % of all permanent jobs advertised in London 17.33% 27.10% 25.97%
Number of salaries quoted 2,036 2,536 4,812
10th Percentile £51,250 £51,250 £48,750
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 £105,000 £110,000 £100,000
90th Percentile £132,500 £122,500 £122,500
England median annual salary £65,000 £66,274 £60,000
% change year-on-year -1.92% +10.46% -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 9 March 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 9 March 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
South London +39 7 £70,000 +55.56% 3
Central London -42 5 £82,500 +10.00% 12
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 (6.74%) SharePoint
2 4 (4.49%) Anypoint
3 1 (1.12%) Apache
3 1 (1.12%) Apache Spark
3 1 (1.12%) JBoss
3 1 (1.12%) OpenStack
3 1 (1.12%) Tomcat
3 1 (1.12%) WordPress
Business Applications
1 4 (4.49%) Shopify
2 2 (2.25%) NetSuite
Cloud Services
1 31 (34.83%) Azure
2 19 (21.35%) AWS
3 13 (14.61%) Serverless
4 12 (13.48%) Power Automate
5 11 (12.36%) Boomi
6 10 (11.24%) Amazon EC2
7 9 (10.11%) Power Platform
8 8 (8.99%) Azure DevOps
9 7 (7.87%) Amazon ECS
9 7 (7.87%) Amazon EKS
9 7 (7.87%) GitHub
10 6 (6.74%) Microsoft 365
11 5 (5.62%) AWS Lambda
11 5 (5.62%) Azure Logic Apps
11 5 (5.62%) GCP
11 5 (5.62%) PaaS
12 4 (4.49%) Amazon S3
12 4 (4.49%) iPaaS
12 4 (4.49%) PowerApps
12 4 (4.49%) Workato
Communications & Networking
1 6 (6.74%) VPN
2 3 (3.37%) AMQP
3 1 (1.12%) CTI
3 1 (1.12%) DHCP
3 1 (1.12%) DNS
3 1 (1.12%) HTTP
Database & Business Intelligence
1 14 (15.73%) Relational Database
2 10 (11.24%) RDBMS
3 7 (7.87%) PostgreSQL
4 6 (6.74%) Electronic Patient Records
4 6 (6.74%) MySQL
5 5 (5.62%) Metadata
5 5 (5.62%) Power BI
6 3 (3.37%) Amazon RDS
6 3 (3.37%) SQL Server
7 2 (2.25%) NoSQL
8 1 (1.12%) Big Data
8 1 (1.12%) Data Warehouse
8 1 (1.12%) Hadoop
8 1 (1.12%) SQL Server Integration Services
8 1 (1.12%) Tableau
Development Applications
1 9 (10.11%) Jenkins
1 9 (10.11%) Postman
2 8 (8.99%) JUnit
3 7 (7.87%) Git
4 6 (6.74%) JMeter
4 6 (6.74%) Mockito
4 6 (6.74%) Selenium
5 5 (5.62%) SpecFlow
5 5 (5.62%) WebDriver
6 4 (4.49%) ERwin
6 4 (4.49%) JIRA
7 3 (3.37%) Maven
8 2 (2.25%) Crashlytics
9 1 (1.12%) Android Studio
9 1 (1.12%) Browser DevTools
9 1 (1.12%) Gradle
9 1 (1.12%) REST Assured
9 1 (1.12%) Subversion
9 1 (1.12%) TeamCity
9 1 (1.12%) Xcode
General
1 22 (24.72%) Social Skills
2 21 (23.60%) Law
3 16 (17.98%) Finance
4 11 (12.36%) Analytical Skills
5 7 (7.87%) German Language
6 6 (6.74%) Health Technology
6 6 (6.74%) Legal
6 6 (6.74%) Public Sector
7 4 (4.49%) Financial Institution
7 4 (4.49%) Retail
8 3 (3.37%) Telecoms
9 2 (2.25%) Advertising
9 2 (2.25%) Documentation Skills
9 2 (2.25%) Front Office
10 1 (1.12%) Influencing Skills
10 1 (1.12%) Publishing
Job Titles
1 34 (38.20%) Developer
2 14 (15.73%) Java Developer
3 13 (14.61%) Consultant
4 12 (13.48%) Senior
5 9 (10.11%) Senior Developer
6 7 (7.87%) Analyst
6 7 (7.87%) Data Analyst
6 7 (7.87%) Full-Stack Developer
6 7 (7.87%) Full-Stack Java Developer
7 6 (6.74%) EPR Consultant
7 6 (6.74%) Mid-Level Java Developer
7 6 (6.74%) Technical Consultant
8 5 (5.62%) Architect
8 5 (5.62%) QA Engineer
8 5 (5.62%) Workflow Developer
9 4 (4.49%) Data Consultant
9 4 (4.49%) Development Engineer
9 4 (4.49%) Development Support Engineer
9 4 (4.49%) Integration Engineer
9 4 (4.49%) Support Engineer
Libraries, Frameworks & Software Standards
1 52 (58.43%) XML
2 50 (56.18%) REST
3 18 (20.22%) Spring
4 17 (19.10%) HTML
5 16 (17.98%) Spring Boot
6 15 (16.85%) Web Services
7 12 (13.48%) React
7 12 (13.48%) RESTful
7 12 (13.48%) SOAP
8 10 (11.24%) Hibernate
9 9 (10.11%) .NET
10 8 (8.99%) Swagger
11 7 (7.87%) jQuery
11 7 (7.87%) Regular Expression
11 7 (7.87%) YAML
12 6 (6.74%) ActiveMQ
12 6 (6.74%) Apache Camel
12 6 (6.74%) FIX Protocol
12 6 (6.74%) FpML
12 6 (6.74%) OAuth
Miscellaneous
1 14 (15.73%) Data Structures
1 14 (15.73%) Linux Command Line
2 13 (14.61%) Onboarding
3 12 (13.48%) Low-Code
4 7 (7.87%) Distributed Systems
5 6 (6.74%) NHS
6 5 (5.62%) Analytical Mindset
7 4 (4.49%) e-Learning
8 2 (2.25%) Enterprise Software
8 2 (2.25%) Fixed Income
8 2 (2.25%) Legacy Systems
8 2 (2.25%) Mobile App
8 2 (2.25%) Security Posture
9 1 (1.12%) AI Agents
9 1 (1.12%) Cloud Native
9 1 (1.12%) Data Centre
9 1 (1.12%) Equities
9 1 (1.12%) Product Ownership
9 1 (1.12%) Self-Motivation
9 1 (1.12%) Virtual Team
Operating Systems
1 14 (15.73%) Linux
2 11 (12.36%) Unix
3 2 (2.25%) Windows
4 1 (1.12%) Android
4 1 (1.12%) Apple iOS
Processes & Methodologies
1 34 (38.20%) Agile
2 31 (34.83%) CI/CD
3 24 (26.97%) AI
4 20 (22.47%) DevOps
4 20 (22.47%) Problem-Solving
5 19 (21.35%) Data Modelling
6 16 (17.98%) Test Automation
7 15 (16.85%) Microservices
8 14 (15.73%) API Integration
9 13 (14.61%) Data Analysis
10 12 (13.48%) BDD
10 12 (13.48%) Workflow
11 11 (12.36%) Analytics
11 11 (12.36%) Business Intelligence
11 11 (12.36%) User Experience
11 11 (12.36%) Validation
12 10 (11.24%) Containerisation
12 10 (11.24%) Continuous Improvement
12 10 (11.24%) Stakeholder Engagement
13 9 (10.11%) SDLC
Programming Languages
1 44 (49.44%) SQL
2 38 (42.70%) Python
3 33 (37.08%) JavaScript
4 27 (30.34%) Java
5 16 (17.98%) C#
6 10 (11.24%) Shell Script
7 7 (7.87%) PowerShell
8 5 (5.62%) TypeScript
9 4 (4.49%) PHP
10 2 (2.25%) ActionScript
10 2 (2.25%) ActionScript 2.0
10 2 (2.25%) Bash
10 2 (2.25%) R
11 1 (1.12%) Apex Code
11 1 (1.12%) C++
11 1 (1.12%) Korn
11 1 (1.12%) Kotlin
11 1 (1.12%) Swift
Qualifications
1 11 (12.36%) Degree
2 9 (10.11%) Security Cleared
3 3 (3.37%) Computer Science Degree
3 3 (3.37%) SC Cleared
4 1 (1.12%) Master's Degree
Quality Assurance & Compliance
1 7 (7.87%) GDPR
1 7 (7.87%) QA
2 6 (6.74%) HL7
3 5 (5.62%) ISO/IEC 27001
3 5 (5.62%) NCSC
3 5 (5.62%) NIST
4 4 (4.49%) Accessibility
4 4 (4.49%) Data Quality
5 1 (1.12%) WCAG
System Software
1 20 (22.47%) Docker
2 1 (1.12%) iptables
Systems Management
1 20 (22.47%) Kubernetes
2 7 (7.87%) Kibana
3 4 (4.49%) Terraform
4 3 (3.37%) Ansible
5 1 (1.12%) Grafana
5 1 (1.12%) Prometheus
Vendors
1 11 (12.36%) Microsoft
2 7 (7.87%) Intapp
2 7 (7.87%) Oracle
2 7 (7.87%) Splunk
3 6 (6.74%) Dell
3 6 (6.74%) Dynatrace
3 6 (6.74%) MuleSoft
3 6 (6.74%) SAP
4 5 (5.62%) Talend
4 5 (5.62%) Workday
5 4 (4.49%) Epicor
5 4 (4.49%) IBM
5 4 (4.49%) IFS
5 4 (4.49%) Infor
5 4 (4.49%) Informatica
5 4 (4.49%) Jitterbit
5 4 (4.49%) SnapLogic
5 4 (4.49%) Software AG
5 4 (4.49%) Sparx
5 4 (4.49%) TIBCO