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 10 May 2026, with comparisons to the same periods in the previous two years.

6 months to
10 May 2026
Same period 2025 Same period 2024
Rank 306 281 239
Rank change year-on-year -25 -42 -21
Permanent jobs citing JSON 102 125 297
As % of all permanent jobs in London 0.50% 0.99% 1.27%
As % of the Libraries, Frameworks & Software Standards category 3.15% 3.82% 5.17%
Number of salaries quoted 64 81 239
10th Percentile £46,526 £45,000 £48,500
25th Percentile £56,250 £56,250 £52,500
Median annual salary (50th Percentile) £65,500 £70,000 £67,500
Median % change year-on-year -6.43% +3.70% -3.57%
75th Percentile £82,844 £92,500 £80,000
90th Percentile £89,250 £108,418 £91,250
England median annual salary £65,000 £62,500 £60,000
% change year-on-year +4.00% +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 3,235 3,269 5,750
As % of all permanent jobs advertised in London 15.87% 25.82% 24.60%
Number of salaries quoted 2,237 2,429 4,711
10th Percentile £52,500 £50,000 £47,500
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 £100,000 £110,000 £102,500
90th Percentile £125,000 £130,000 £130,000
England median annual salary £65,500 £66,268 £60,000
% change year-on-year -1.16% +10.45% -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 10 May 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 10 May 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 -39 6 £85,000 +13.33% 17
South London +18 2 £67,500 -
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 (5.88%) WordPress
2 5 (4.90%) CMS
2 5 (4.90%) Drupal
3 2 (1.96%) SharePoint
4 1 (0.98%) Apache
4 1 (0.98%) Apache Spark
4 1 (0.98%) Cloud Foundry
4 1 (0.98%) JBoss
4 1 (0.98%) OpenStack
4 1 (0.98%) Tomcat
Applications
1 1 (0.98%) Microsoft Excel
1 1 (0.98%) Microsoft PowerPoint
1 1 (0.98%) Microsoft Project
Business Applications
1 2 (1.96%) NetSuite
2 1 (0.98%) Oracle Procure-to-Pay
Cloud Services
1 30 (29.41%) AWS
2 29 (28.43%) Azure
3 15 (14.71%) Serverless
4 13 (12.75%) AWS Lambda
5 10 (9.80%) Power Platform
6 8 (7.84%) AWS CloudFormation
6 8 (7.84%) Azure DevOps
6 8 (7.84%) GCP
7 7 (6.86%) Azure Logic Apps
8 5 (4.90%) Amazon EC2
8 5 (4.90%) Amazon S3
8 5 (4.90%) Apigee
9 4 (3.92%) Microsoft 365
9 4 (3.92%) PaaS
9 4 (3.92%) SaaS
10 3 (2.94%) Amazon SQS
10 3 (2.94%) Azure Service Bus
10 3 (2.94%) Boomi
10 3 (2.94%) GitHub
10 3 (2.94%) Microsoft Copilot
Communications & Networking
1 6 (5.88%) VPN
2 3 (2.94%) AMQP
3 1 (0.98%) CTI
3 1 (0.98%) DHCP
3 1 (0.98%) DNS
3 1 (0.98%) Network Security
Database & Business Intelligence
1 12 (11.76%) MySQL
2 8 (7.84%) Metadata
2 8 (7.84%) Relational Database
3 7 (6.86%) PostgreSQL
3 7 (6.86%) RDBMS
4 6 (5.88%) Electronic Patient Records
4 6 (5.88%) Redis
5 5 (4.90%) Power BI
6 4 (3.92%) Amazon RDS
7 3 (2.94%) SQL Server
8 2 (1.96%) Big Data
8 2 (1.96%) SQL Server Integration Services
9 1 (0.98%) Amazon Athena
9 1 (0.98%) Amazon QuickSight
9 1 (0.98%) DynamoDB
9 1 (0.98%) Hadoop
9 1 (0.98%) NoSQL
9 1 (0.98%) Parquet
9 1 (0.98%) Presto
9 1 (0.98%) Tableau
Development Applications
1 16 (15.69%) Git
2 11 (10.78%) Postman
3 9 (8.82%) Jenkins
4 7 (6.86%) ERwin
4 7 (6.86%) Maven
5 5 (4.90%) Gradle
5 5 (4.90%) Selenium
5 5 (4.90%) SpecFlow
5 5 (4.90%) WebDriver
6 4 (3.92%) JIRA
7 3 (2.94%) JUnit
8 2 (1.96%) Crashlytics
8 2 (1.96%) GitLab
9 1 (0.98%) Android Studio
9 1 (0.98%) Atlassian Bamboo
9 1 (0.98%) Browser DevTools
9 1 (0.98%) CircleCI
9 1 (0.98%) Subversion
9 1 (0.98%) webpack
9 1 (0.98%) Xcode
General
1 36 (35.29%) Social Skills
2 27 (26.47%) Finance
3 20 (19.61%) Analytical Skills
4 12 (11.76%) Health Technology
5 8 (7.84%) Law
6 7 (6.86%) Financial Institution
6 7 (6.86%) Organisational Skills
7 5 (4.90%) German Language
8 4 (3.92%) Advertising
8 4 (3.92%) Retail
9 3 (2.94%) Back Office
9 3 (2.94%) Telecoms
10 2 (1.96%) Front Office
10 2 (1.96%) Legal
10 2 (1.96%) Prime Brokerage
11 1 (0.98%) Billing
11 1 (0.98%) Documentation Skills
11 1 (0.98%) Publishing
Job Titles
1 30 (29.41%) Developer
2 16 (15.69%) Consultant
3 14 (13.73%) Senior
4 10 (9.80%) Senior Developer
5 9 (8.82%) Java Developer
6 8 (7.84%) Analyst
6 8 (7.84%) DevOps Engineer
7 7 (6.86%) Data Analyst
7 7 (6.86%) Data Consultant
7 7 (6.86%) Data Model Consultant
8 6 (5.88%) Customer Support Specialist
8 6 (5.88%) EPR Consultant
8 6 (5.88%) Support Specialist
8 6 (5.88%) Technical Consultant
9 5 (4.90%) Architect
9 5 (4.90%) QA Engineer
10 4 (3.92%) Cloud Engineer
10 4 (3.92%) Ruby Developer
11 3 (2.94%) Apigee Architect
11 3 (2.94%) Artificial Intelligence Engineer
Libraries, Frameworks & Software Standards
1 39 (38.24%) REST
2 38 (37.25%) XML
3 19 (18.63%) HTML
4 15 (14.71%) RESTful
5 14 (13.73%) CSS
6 13 (12.75%) Spring
7 12 (11.76%) .NET
7 12 (11.76%) JWT
8 11 (10.78%) Spring Boot
8 11 (10.78%) Swagger
9 10 (9.80%) React
9 10 (9.80%) YAML
10 9 (8.82%) FIX Protocol
10 9 (8.82%) FpML
11 8 (7.84%) SOAP
12 7 (6.86%) OAuth
12 7 (6.86%) XML Schema
13 6 (5.88%) CSS3
13 6 (5.88%) HTML5
13 6 (5.88%) Node.js
Miscellaneous
1 13 (12.75%) Data Structures
2 12 (11.76%) Linux Command Line
3 8 (7.84%) Onboarding
4 7 (6.86%) Analytical Mindset
4 7 (6.86%) e-Learning
5 6 (5.88%) NHS
6 5 (4.90%) Public Cloud
7 4 (3.92%) Enterprise Software
8 3 (2.94%) Self-Motivation
9 2 (1.96%) Cloud Native
9 2 (1.96%) Derivative
9 2 (1.96%) Fixed Income
9 2 (1.96%) Legacy Systems
9 2 (1.96%) Mobile App
9 2 (1.96%) Product Ownership
9 2 (1.96%) Reference Data
10 1 (0.98%) CMDB
10 1 (0.98%) Equities
10 1 (0.98%) PKI
10 1 (0.98%) Taxonomies
Operating Systems
1 18 (17.65%) Linux
2 5 (4.90%) Unix
3 3 (2.94%) Windows
4 1 (0.98%) Android
4 1 (0.98%) Apple iOS
Processes & Methodologies
1 32 (31.37%) Agile
2 30 (29.41%) CI/CD
2 30 (29.41%) DevOps
3 23 (22.55%) Data Modelling
4 21 (20.59%) AI
5 18 (17.65%) Microservices
6 16 (15.69%) Problem-Solving
6 16 (15.69%) User Experience
7 15 (14.71%) Continuous Improvement
8 14 (13.73%) API Design
8 14 (13.73%) Data Analysis
9 13 (12.75%) Test Automation
10 12 (11.76%) Analytics
11 11 (10.78%) API Integration
11 11 (10.78%) Business Intelligence
11 11 (10.78%) Containerisation
11 11 (10.78%) Infrastructure as Code
11 11 (10.78%) Mentoring
12 10 (9.80%) Clean Code
12 10 (9.80%) Performance Tuning
Programming Languages
1 40 (39.22%) SQL
2 39 (38.24%) Python
3 28 (27.45%) JavaScript
4 19 (18.63%) Java
5 12 (11.76%) C#
6 9 (8.82%) PHP
7 4 (3.92%) Ruby
8 2 (1.96%) ActionScript
8 2 (1.96%) ActionScript 2.0
8 2 (1.96%) Bash
8 2 (1.96%) Lua
8 2 (1.96%) PowerShell
8 2 (1.96%) R
8 2 (1.96%) TypeScript
9 1 (0.98%) Apex Code
9 1 (0.98%) C++
9 1 (0.98%) Korn
9 1 (0.98%) Kotlin
9 1 (0.98%) Swift
Qualifications
1 10 (9.80%) SC Cleared
1 10 (9.80%) Security Cleared
2 9 (8.82%) Degree
3 3 (2.94%) Computer Science Degree
4 1 (0.98%) CISSP
4 1 (0.98%) GIAC
4 1 (0.98%) Master's Degree
4 1 (0.98%) SSCP
Quality Assurance & Compliance
1 12 (11.76%) Accessibility
2 7 (6.86%) QA
3 6 (5.88%) HL7
3 6 (5.88%) SLA
3 6 (5.88%) WCAG
4 4 (3.92%) Data Quality
5 3 (2.94%) GDPR
6 1 (0.98%) ISO/IEC 27001
6 1 (0.98%) NCSC
6 1 (0.98%) NIST
System Software
1 16 (15.69%) Docker
2 1 (0.98%) iptables
Systems Management
1 12 (11.76%) Kubernetes
2 10 (9.80%) Terraform
3 7 (6.86%) Ansible
4 1 (0.98%) Grafana
4 1 (0.98%) Kibana
4 1 (0.98%) Prometheus
4 1 (0.98%) QRadar
Vendors
1 11 (10.78%) Microsoft
2 7 (6.86%) Sparx
3 4 (3.92%) Oracle
4 3 (2.94%) Google
4 3 (2.94%) MuleSoft
4 3 (2.94%) SAP
5 2 (1.96%) Dell
5 2 (1.96%) New Relic
5 2 (1.96%) Splunk
6 1 (0.98%) Alteryx
6 1 (0.98%) Apple
6 1 (0.98%) ArcSight
6 1 (0.98%) Databricks
6 1 (0.98%) Genesys
6 1 (0.98%) iManage
6 1 (0.98%) LogRhythm
6 1 (0.98%) Pega
6 1 (0.98%) Salesforce
6 1 (0.98%) Talend
6 1 (0.98%) Workday