JSON Schema Contract Job Trends

JSON Schema
UK

The table below provides summary statistics and contractor rates for jobs requiring JSON Schema skills. It covers vacancies from the 6 months leading up to 18 September 2025, with comparisons to the same periods in the previous two years.

6 months to
18 Sep 2025
Same period 2024 Same period 2023
Rank 565 550 626
Rank change year-on-year -15 +76 +196
Contract jobs citing JSON Schema 3 9 25
As % of all contract jobs advertised in the UK 0.009% 0.023% 0.051%
As % of the Libraries, Frameworks & Software Standards category 0.040% 0.10% 0.23%
Number of daily rates quoted 2 5 16
10th Percentile £403 - £509
25th Percentile £408 £475 £560
Median daily rate (50th Percentile) £420 £500 £600
Median % change year-on-year -16.00% -16.67% +2.13%
75th Percentile £438 £775 £700
90th Percentile £445 £790 £750
UK excluding London median daily rate - £475 £570
% change year-on-year - -16.67% -2.98%

All Software Libraries and Frameworks
UK

JSON Schema falls under the Software Libraries and Frameworks category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring technical specification, industry standards, software libraries and framework skills.

Contract vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 7,498 8,630 10,956
As % of all contract IT jobs advertised in the UK 22.76% 22.41% 22.25%
Number of daily rates quoted 4,987 5,626 7,855
10th Percentile £350 £350 £375
25th Percentile £413 £425 £450
Median daily rate (50th Percentile) £500 £550 £550
Median % change year-on-year -9.09% - -4.35%
75th Percentile £630 £650 £675
90th Percentile £738 £794 £775
UK excluding London median daily rate £474 £500 £500
% change year-on-year -5.24% - -4.67%
Number of hourly rates quoted 183 187 176
10th Percentile £31.25 £25.60 £35.94
25th Percentile £41.42 £43.00 £46.18
Median hourly rate £54.00 £61.60 £60.00
Median % change year-on-year -12.34% +2.67% -4.00%
75th Percentile £65.00 £70.00 £73.67
90th Percentile £72.40 £74.65 £78.00
UK excluding London median hourly rate £56.25 £65.00 £59.03
% change year-on-year -13.46% +10.11% -6.24%

JSON Schema
Job Vacancy Trend

Job postings citing JSON Schema as a proportion of all IT jobs advertised.

Job vacancy trend for JSON Schema in the UK

JSON Schema
Daily Rate Trend

Contractor daily rate distribution trend for jobs in the UK citing JSON Schema.

Contractor daily rate distribution trend for jobs in the UK citing JSON Schema

JSON Schema
Top 2 Contract Job Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JSON Schema within the UK over the 6 months to 18 September 2025. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
London +19 2 £440 -32.31% 1
England +9 2 £440 -12.00% 2

JSON Schema
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 1 (33.33%) Confluence
Business Applications
1 1 (33.33%) Dynamics CRM
Cloud Services
1 2 (66.67%) Azure
1 2 (66.67%) Serverless
2 1 (33.33%) Azure AKS
2 1 (33.33%) Azure DevOps
2 1 (33.33%) Azure Functions
2 1 (33.33%) Cloud Functions
2 1 (33.33%) Dynamics 365
2 1 (33.33%) GCP
2 1 (33.33%) Google Kubernetes Engine
2 1 (33.33%) Power Platform
Database & Business Intelligence
1 1 (33.33%) BigQuery
1 1 (33.33%) Looker
1 1 (33.33%) Power BI
Development Applications
1 1 (33.33%) Cypress.io
1 1 (33.33%) Git
1 1 (33.33%) Jenkins
1 1 (33.33%) JMeter
General
1 1 (33.33%) Banking
Job Titles
1 3 (100.00%) Developer
2 1 (33.33%) Azure Developer
2 1 (33.33%) C# Developer
2 1 (33.33%) Full-Stack Developer
2 1 (33.33%) GCP Developer
2 1 (33.33%) Senior
2 1 (33.33%) Senior C# Developer
2 1 (33.33%) Senior Developer
2 1 (33.33%) UI Developer
Libraries, Frameworks & Software Standards
1 3 (100.00%) JSON
2 2 (66.67%) .NET
2 2 (66.67%) HTML
2 2 (66.67%) React
3 1 (33.33%) .NET Core
3 1 (33.33%) CSS
3 1 (33.33%) CSS3
3 1 (33.33%) HTML5
3 1 (33.33%) JWT
3 1 (33.33%) Kafka
3 1 (33.33%) Node.js
3 1 (33.33%) OAuth
3 1 (33.33%) OAuth2
3 1 (33.33%) Playwright
3 1 (33.33%) pytest
3 1 (33.33%) Redux
3 1 (33.33%) RESTful
3 1 (33.33%) Semantic HTML
Miscellaneous
1 1 (33.33%) Cloud Native
1 1 (33.33%) Onboarding
1 1 (33.33%) Wiki
Processes & Methodologies
1 2 (66.67%) CI/CD
1 2 (66.67%) Validation
2 1 (33.33%) Agile
2 1 (33.33%) Business Intelligence
2 1 (33.33%) Containerisation
2 1 (33.33%) CRM
2 1 (33.33%) Data Pipeline
2 1 (33.33%) Data Validation
2 1 (33.33%) End-to-End Testing
2 1 (33.33%) ETL
2 1 (33.33%) Event-Driven
2 1 (33.33%) Front End Development
2 1 (33.33%) Full-Stack Development
2 1 (33.33%) Integration Testing
2 1 (33.33%) Kanban
2 1 (33.33%) Pair Programming
2 1 (33.33%) Performance Testing
2 1 (33.33%) Scrum
2 1 (33.33%) Secrets Management
2 1 (33.33%) Test Automation
Programming Languages
1 2 (66.67%) JavaScript
2 1 (33.33%) C#
2 1 (33.33%) Python
2 1 (33.33%) TypeScript
Qualifications
1 1 (33.33%) BPSS Clearance
1 1 (33.33%) SC Cleared
1 1 (33.33%) Security Cleared
Quality Assurance & Compliance
1 1 (33.33%) Accessibility
1 1 (33.33%) GDPR
1 1 (33.33%) QA
1 1 (33.33%) WCAG
System Software
1 1 (33.33%) Docker
Systems Management
1 1 (33.33%) Kubernetes
1 1 (33.33%) Systems Management Server (SMS)
Vendors
1 1 (33.33%) Confluent
1 1 (33.33%) Google
1 1 (33.33%) Microsoft
1 1 (33.33%) OneLogin