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

6 months to
28 May 2026
Same period 2025 Same period 2024
Rank 304 263 255
Rank change year-on-year -41 -8 -38
Permanent jobs citing JSON 109 112 275
As % of all permanent jobs in London 0.52% 0.94% 1.17%
As % of the Libraries, Frameworks & Software Standards category 3.27% 3.68% 4.78%
Number of salaries quoted 68 76 219
10th Percentile £46,526 £46,960 £49,898
25th Percentile £56,250 £57,938 £52,500
Median annual salary (50th Percentile) £72,500 £67,500 £67,500
Median % change year-on-year +7.41% - -3.57%
75th Percentile £85,000 £90,000 £80,000
90th Percentile £87,500 £103,750 £91,500
England median annual salary £64,585 £63,000 £60,000
% change year-on-year +2.52% +5.00% -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 3,329 3,042 5,758
As % of all permanent jobs advertised in London 15.88% 25.66% 24.44%
Number of salaries quoted 2,285 2,186 4,666
10th Percentile £51,310 £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 £110,938 £105,000
90th Percentile £120,000 £130,625 £133,125
England median annual salary £65,000 £67,037 £60,000
% change year-on-year -3.04% +11.73% -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 28 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 28 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 -38 5 £87,500 +29.63% 16
South London +6 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 (5.50%) WordPress
2 5 (4.59%) CMS
2 5 (4.59%) Drupal
3 1 (0.92%) Apache
3 1 (0.92%) Cloud Foundry
3 1 (0.92%) JBoss
3 1 (0.92%) OpenStack
3 1 (0.92%) SharePoint
3 1 (0.92%) Tomcat
Applications
1 1 (0.92%) Microsoft Excel
1 1 (0.92%) Microsoft PowerPoint
1 1 (0.92%) Microsoft Project
Business Applications
1 2 (1.83%) NetSuite
2 1 (0.92%) Oracle Procure-to-Pay
2 1 (0.92%) Payment Gateway
Cloud Services
1 36 (33.03%) AWS
2 34 (31.19%) Azure
3 19 (17.43%) Serverless
4 17 (15.60%) AWS Lambda
5 13 (11.93%) Azure Logic Apps
6 12 (11.01%) AWS CloudFormation
7 9 (8.26%) Azure DevOps
8 7 (6.42%) Power Platform
9 6 (5.50%) Amazon EC2
9 6 (5.50%) Amazon S3
9 6 (5.50%) Azure Monitor
9 6 (5.50%) Azure Service Bus
9 6 (5.50%) GCP
10 5 (4.59%) Apigee
10 5 (4.59%) PaaS
10 5 (4.59%) SaaS
11 4 (3.67%) Azure Cognitive Search
11 4 (3.67%) Azure Table
11 4 (3.67%) Microsoft 365
11 4 (3.67%) Microsoft Copilot
Communications & Networking
1 5 (4.59%) VPN
2 3 (2.75%) AMQP
3 1 (0.92%) CTI
3 1 (0.92%) Network Security
Database & Business Intelligence
1 12 (11.01%) PostgreSQL
2 11 (10.09%) MySQL
2 11 (10.09%) Redis
3 8 (7.34%) Relational Database
4 7 (6.42%) Metadata
4 7 (6.42%) RDBMS
5 5 (4.59%) Amazon RDS
5 5 (4.59%) Electronic Patient Records
6 3 (2.75%) SQL Server
7 2 (1.83%) Power BI
8 1 (0.92%) Amazon Athena
8 1 (0.92%) Amazon QuickSight
8 1 (0.92%) Apache Iceberg
8 1 (0.92%) Big Data
8 1 (0.92%) DynamoDB
8 1 (0.92%) NoSQL
8 1 (0.92%) Parquet
8 1 (0.92%) Presto
8 1 (0.92%) SQL Server Integration Services
8 1 (0.92%) Tableau
Development Applications
1 20 (18.35%) Git
2 13 (11.93%) Jenkins
3 11 (10.09%) Postman
4 7 (6.42%) ERwin
4 7 (6.42%) Maven
5 5 (4.59%) Gradle
5 5 (4.59%) Selenium
5 5 (4.59%) SpecFlow
5 5 (4.59%) WebDriver
6 3 (2.75%) JUnit
7 2 (1.83%) GitLab
7 2 (1.83%) JIRA
7 2 (1.83%) Team Foundation Server
8 1 (0.92%) Atlassian Bamboo
8 1 (0.92%) Browser DevTools
8 1 (0.92%) CircleCI
8 1 (0.92%) Mockito
8 1 (0.92%) Subversion
8 1 (0.92%) TeamCity
8 1 (0.92%) webpack
General
1 40 (36.70%) Social Skills
2 32 (29.36%) Finance
3 24 (22.02%) Analytical Skills
4 11 (10.09%) Health Technology
5 9 (8.26%) Law
6 7 (6.42%) Financial Institution
6 7 (6.42%) Organisational Skills
7 5 (4.59%) Back Office
8 4 (3.67%) Advertising
9 3 (2.75%) Telecoms
10 2 (1.83%) Billing
10 2 (1.83%) Front Office
10 2 (1.83%) German Language
10 2 (1.83%) Legal
10 2 (1.83%) Prime Brokerage
10 2 (1.83%) Retail
11 1 (0.92%) Publishing
Job Titles
1 33 (30.28%) Developer
2 17 (15.60%) Senior
3 15 (13.76%) Consultant
4 12 (11.01%) DevOps Engineer
5 9 (8.26%) Java Developer
5 9 (8.26%) Senior Developer
6 7 (6.42%) Analyst
6 7 (6.42%) Data Consultant
6 7 (6.42%) Data Model Consultant
6 7 (6.42%) Ruby Developer
7 6 (5.50%) Customer Support Specialist
7 6 (5.50%) Data Analyst
7 6 (5.50%) Support Specialist
8 5 (4.59%) Architect
8 5 (4.59%) EPR Consultant
8 5 (4.59%) Integration Engineer
8 5 (4.59%) QA Engineer
8 5 (4.59%) Software Developer
8 5 (4.59%) Technical Consultant
9 4 (3.67%) .NET Developer
Libraries, Frameworks & Software Standards
1 43 (39.45%) REST
2 34 (31.19%) XML
3 18 (16.51%) .NET
4 17 (15.60%) RESTful
5 16 (14.68%) HTML
6 15 (13.76%) JWT
7 14 (12.84%) CSS
7 14 (12.84%) React
8 13 (11.93%) Spring
9 12 (11.01%) .NET Core
9 12 (11.01%) YAML
10 11 (10.09%) Spring Boot
10 11 (10.09%) Swagger
11 9 (8.26%) ASP.NET
11 9 (8.26%) FIX Protocol
11 9 (8.26%) FpML
12 8 (7.34%) OAuth
12 8 (7.34%) Razor View Engine
12 8 (7.34%) SOAP
12 8 (7.34%) WebAssembly
Miscellaneous
1 13 (11.93%) Data Structures
2 8 (7.34%) Linux Command Line
3 7 (6.42%) Analytical Mindset
3 7 (6.42%) e-Learning
4 6 (5.50%) Enterprise Software
4 6 (5.50%) Onboarding
5 5 (4.59%) NHS
5 5 (4.59%) Public Cloud
5 5 (4.59%) Self-Motivation
6 4 (3.67%) Cloud Native
7 2 (1.83%) Data Protection Act
7 2 (1.83%) Derivative
7 2 (1.83%) Fixed Income
7 2 (1.83%) Legacy Systems
7 2 (1.83%) Management Information System
7 2 (1.83%) Product Ownership
7 2 (1.83%) Reference Data
7 2 (1.83%) Replication
8 1 (0.92%) Equities
8 1 (0.92%) Taxonomies
Operating Systems
1 20 (18.35%) Linux
2 3 (2.75%) Windows
3 2 (1.83%) Unix
Processes & Methodologies
1 41 (37.61%) CI/CD
2 37 (33.94%) DevOps
3 36 (33.03%) Agile
4 25 (22.94%) Microservices
5 24 (22.02%) Data Modelling
6 20 (18.35%) Infrastructure as Code
7 19 (17.43%) AI
7 19 (17.43%) User Experience
8 18 (16.51%) API Design
8 18 (16.51%) Problem-Solving
9 15 (13.76%) Performance Tuning
10 14 (12.84%) Containerisation
10 14 (12.84%) Continuous Improvement
10 14 (12.84%) Test Automation
11 13 (11.93%) Data Analysis
12 12 (11.01%) API Integration
12 12 (11.01%) Clean Code
13 11 (10.09%) Analytics
14 10 (9.17%) API Management
14 10 (9.17%) Mentoring
Programming Languages
1 39 (35.78%) Python
1 39 (35.78%) SQL
2 28 (25.69%) JavaScript
3 20 (18.35%) Java
4 18 (16.51%) C#
5 9 (8.26%) PHP
6 7 (6.42%) Ruby
7 2 (1.83%) ActionScript
7 2 (1.83%) ActionScript 2.0
7 2 (1.83%) Bash
7 2 (1.83%) Lua
7 2 (1.83%) PowerShell
7 2 (1.83%) TypeScript
8 1 (0.92%) Apex Code
8 1 (0.92%) Korn
8 1 (0.92%) Kusto Query Language
8 1 (0.92%) R
8 1 (0.92%) Search Processing Language
Qualifications
1 16 (14.68%) SC Cleared
1 16 (14.68%) Security Cleared
2 6 (5.50%) Degree
3 3 (2.75%) Computer Science Degree
4 2 (1.83%) CISSP
5 1 (0.92%) (ISC)2 CCSP
5 1 (0.92%) Azure Certification
5 1 (0.92%) CASP
5 1 (0.92%) CCSP
5 1 (0.92%) Cisco Certification
5 1 (0.92%) CompTIA CySA+
5 1 (0.92%) CompTIA Security+
5 1 (0.92%) GIAC
5 1 (0.92%) Microsoft Certification
5 1 (0.92%) SSCP
Quality Assurance & Compliance
1 14 (12.84%) Accessibility
2 7 (6.42%) QA
3 6 (5.50%) SLA
3 6 (5.50%) WCAG
4 5 (4.59%) HL7
5 3 (2.75%) Data Quality
5 3 (2.75%) GDPR
System Software
1 19 (17.43%) Docker
Systems Management
1 19 (17.43%) Terraform
2 12 (11.01%) Kubernetes
3 6 (5.50%) Ansible
4 1 (0.92%) Kibana
4 1 (0.92%) Microsoft Intune
4 1 (0.92%) QRadar
Vendors
1 14 (12.84%) Microsoft
2 7 (6.42%) Sparx
3 4 (3.67%) Oracle
4 3 (2.75%) Google
4 3 (2.75%) MuleSoft
4 3 (2.75%) SAP
4 3 (2.75%) Splunk
5 2 (1.83%) Dell
5 2 (1.83%) Dynatrace
5 2 (1.83%) New Relic
6 1 (0.92%) Apple
6 1 (0.92%) ArcSight
6 1 (0.92%) Genesys
6 1 (0.92%) HubSpot
6 1 (0.92%) iManage
6 1 (0.92%) LogRhythm
6 1 (0.92%) Pega
6 1 (0.92%) Sage
6 1 (0.92%) Salesforce
6 1 (0.92%) Workday