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 23 July 2026, with comparisons to the same periods in the previous two years.

6 months to
23 Jul 2026
Same period 2025 Same period 2024
Rank 311 271 278
Rank change year-on-year -40 +7 -78
Permanent jobs citing JSON 114 119 222
As % of all permanent jobs in London 0.50% 0.97% 1.03%
As % of the Libraries, Frameworks & Software Standards category 3.31% 3.59% 4.17%
Number of salaries quoted 80 76 165
10th Percentile £46,526 £46,960 £46,250
25th Percentile £60,938 £52,500 £52,000
Median annual salary (50th Percentile) £75,000 £67,500 £67,500
Median % change year-on-year +11.11% - -3.57%
75th Percentile £85,000 £80,875 £83,750
90th Percentile £87,500 £103,750 £98,750
England median annual salary £62,500 £62,500 £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 3,440 3,316 5,320
As % of all permanent jobs advertised in London 15.23% 26.89% 24.79%
Number of salaries quoted 2,314 2,303 4,094
10th Percentile £51,250 £51,250 £47,750
25th Percentile £66,250 £63,500 £61,250
Median annual salary (50th Percentile) £82,500 £82,500 £83,490
Median % change year-on-year - -1.19% +4.36%
75th Percentile £100,000 £111,250 £110,000
90th Percentile £120,000 £135,000 £142,500
England median annual salary £65,000 £67,500 £60,000
% change year-on-year -3.70% +12.50% -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 23 July 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 23 July 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 -25 5 £85,000 +25.93% 10
South London +2 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 6 (5.26%) WordPress
2 5 (4.39%) CMS
2 5 (4.39%) Drupal
3 2 (1.75%) SharePoint
4 1 (0.88%) Apache
4 1 (0.88%) Apache Airflow
4 1 (0.88%) Apache Spark
4 1 (0.88%) Cloud Foundry
Applications
1 1 (0.88%) Microsoft Excel
1 1 (0.88%) Microsoft PowerPoint
1 1 (0.88%) Microsoft Project
Business Applications
1 1 (0.88%) Oracle Procure-to-Pay
1 1 (0.88%) Payment Gateway
Cloud Services
1 43 (37.72%) Azure
2 41 (35.96%) AWS
3 21 (18.42%) Azure Logic Apps
4 16 (14.04%) Azure DevOps
4 16 (14.04%) Serverless
5 15 (13.16%) AWS Lambda
6 14 (12.28%) Power Platform
7 11 (9.65%) AWS CloudFormation
8 9 (7.89%) Azure Service Bus
9 6 (5.26%) Azure Monitor
10 5 (4.39%) Dynamics 365
10 5 (4.39%) Microsoft 365
10 5 (4.39%) PaaS
11 4 (3.51%) Amazon S3
11 4 (3.51%) Azure Cognitive Search
11 4 (3.51%) Azure Event Grid
11 4 (3.51%) Azure Table
11 4 (3.51%) Microsoft Copilot
12 3 (2.63%) Azure Sentinel
12 3 (2.63%) Copilot Studio
Communications & Networking
1 2 (1.75%) HTTP
2 1 (0.88%) CTI
2 1 (0.88%) Network Security
Database & Business Intelligence
1 24 (21.05%) PostgreSQL
2 19 (16.67%) Redis
3 10 (8.77%) Relational Database
4 9 (7.89%) Metadata
5 7 (6.14%) RDBMS
6 6 (5.26%) MySQL
7 3 (2.63%) Amazon Athena
7 3 (2.63%) Amazon RDS
7 3 (2.63%) DynamoDB
7 3 (2.63%) NoSQL
7 3 (2.63%) Parquet
7 3 (2.63%) Power BI
8 2 (1.75%) Apache Iceberg
8 2 (1.75%) Data Lake
8 2 (1.75%) Delta Lake
9 1 (0.88%) Amazon QuickSight
9 1 (0.88%) Apache Hudi
9 1 (0.88%) Azure SQL Database
9 1 (0.88%) Flink
9 1 (0.88%) Trino
Development Applications
1 18 (15.79%) Git
2 11 (9.65%) Jenkins
3 7 (6.14%) ERwin
3 7 (6.14%) Postman
3 7 (6.14%) Selenium
4 5 (4.39%) SpecFlow
4 5 (4.39%) WebDriver
5 4 (3.51%) Gradle
5 4 (3.51%) Maven
6 2 (1.75%) GitLab
6 2 (1.75%) Jasmine
6 2 (1.75%) Mocha
6 2 (1.75%) NUnit
6 2 (1.75%) Team Foundation Server
6 2 (1.75%) TeamCity
7 1 (0.88%) Atlassian Bamboo
7 1 (0.88%) JIRA
7 1 (0.88%) JUnit
7 1 (0.88%) Mockito
7 1 (0.88%) SoapUI
General
1 54 (47.37%) Social Skills
2 44 (38.60%) Finance
3 29 (25.44%) Analytical Skills
4 8 (7.02%) Law
5 7 (6.14%) Financial Institution
5 7 (6.14%) Organisational Skills
6 6 (5.26%) Health Technology
7 5 (4.39%) Back Office
8 4 (3.51%) Advertising
9 3 (2.63%) Public Sector
10 2 (1.75%) Banking
10 2 (1.75%) Billing
10 2 (1.75%) Front Office
10 2 (1.75%) Legal
10 2 (1.75%) Prime Brokerage
11 1 (0.88%) Documentation Skills
11 1 (0.88%) Legal Technology
11 1 (0.88%) Publishing
11 1 (0.88%) Telecoms
Job Titles
1 41 (35.96%) Developer
2 24 (21.05%) Senior
3 15 (13.16%) Ruby Developer
4 11 (9.65%) DevOps Engineer
4 11 (9.65%) Integration Engineer
4 11 (9.65%) Senior Developer
5 10 (8.77%) Senior Integration Engineer
6 7 (6.14%) .NET Developer
6 7 (6.14%) Consultant
6 7 (6.14%) Data Consultant
6 7 (6.14%) Data Model Consultant
7 6 (5.26%) Analyst
7 6 (5.26%) Architect
7 6 (5.26%) Customer Support Specialist
7 6 (5.26%) Support Specialist
8 5 (4.39%) Artificial Intelligence Engineer
8 5 (4.39%) Data Analyst
8 5 (4.39%) QA Engineer
8 5 (4.39%) Software Developer
9 4 (3.51%) Senior .NET Developer
Libraries, Frameworks & Software Standards
1 41 (35.96%) REST
2 29 (25.44%) RESTful
3 26 (22.81%) .NET
4 24 (21.05%) XML
5 18 (15.79%) .NET Core
5 18 (15.79%) JWT
6 15 (13.16%) ASP.NET
6 15 (13.16%) Ruby on Rails
6 15 (13.16%) Sidekiq
7 14 (12.28%) Blazor
7 14 (12.28%) Razor View Engine
7 14 (12.28%) WebAssembly
8 13 (11.40%) CSS
8 13 (11.40%) HTML
9 11 (9.65%) YAML
10 10 (8.77%) React
11 9 (7.89%) FIX Protocol
11 9 (7.89%) FpML
12 8 (7.02%) Kafka
12 8 (7.02%) Swagger
Miscellaneous
1 12 (10.53%) Data Structures
1 12 (10.53%) Enterprise Software
2 8 (7.02%) Onboarding
3 7 (6.14%) Analytical Mindset
3 7 (6.14%) e-Learning
4 6 (5.26%) Cloud Native
5 5 (4.39%) Public Cloud
6 4 (3.51%) Self-Motivation
7 3 (2.63%) Management Information System
7 3 (2.63%) Product Ownership
8 2 (1.75%) Data Protection Act
8 2 (1.75%) Derivative
8 2 (1.75%) Fixed Income
8 2 (1.75%) Foreign Exchange (FX)
8 2 (1.75%) Legacy Systems
8 2 (1.75%) Reference Data
8 2 (1.75%) Replication
9 1 (0.88%) Algorithms
9 1 (0.88%) Linux Command Line
9 1 (0.88%) Virtual Team
Operating Systems
1 14 (12.28%) Linux
2 3 (2.63%) Windows
Processes & Methodologies
1 47 (41.23%) Agile
2 45 (39.47%) CI/CD
3 41 (35.96%) DevOps
4 29 (25.44%) Microservices
5 28 (24.56%) Data Modelling
6 24 (21.05%) Performance Tuning
6 24 (21.05%) Test Automation
7 23 (20.18%) API Design
8 22 (19.30%) User Experience
9 21 (18.42%) Clean Code
9 21 (18.42%) Containerisation
10 20 (17.54%) AI
10 20 (17.54%) Infrastructure as Code
11 19 (16.67%) Problem-Solving
12 18 (15.79%) Scrum
13 15 (13.16%) Front End Development
13 15 (13.16%) OOP
14 14 (12.28%) Asynchronous Programming
14 14 (12.28%) Responsive Web Design
14 14 (12.28%) Typography
Programming Languages
1 41 (35.96%) Python
2 30 (26.32%) C#
3 29 (25.44%) SQL
4 19 (16.67%) JavaScript
5 15 (13.16%) Ruby
6 12 (10.53%) Java
7 6 (5.26%) PHP
8 3 (2.63%) Bash
8 3 (2.63%) PowerShell
8 3 (2.63%) TypeScript
9 2 (1.75%) Kusto Query Language
9 2 (1.75%) Lua
9 2 (1.75%) Search Processing Language
10 1 (0.88%) Data Analysis Expressions
10 1 (0.88%) R
Qualifications
1 13 (11.40%) SC Cleared
1 13 (11.40%) Security Cleared
2 6 (5.26%) Azure Certification
3 5 (4.39%) Degree
4 4 (3.51%) Computer Science Degree
5 3 (2.63%) CISSP
6 2 (1.75%) (ISC)2 CCSP
6 2 (1.75%) CASP
6 2 (1.75%) CCSP
6 2 (1.75%) Cisco Certification
6 2 (1.75%) CompTIA CySA+
6 2 (1.75%) CompTIA Security+
6 2 (1.75%) Microsoft Certification
7 1 (0.88%) GIAC
7 1 (0.88%) SSCP
Quality Assurance & Compliance
1 20 (17.54%) Accessibility
2 7 (6.14%) QA
3 6 (5.26%) SLA
3 6 (5.26%) WCAG
4 4 (3.51%) Data Quality
5 3 (2.63%) GDPR
System Software
1 21 (18.42%) Docker
Systems Management
1 19 (16.67%) Terraform
2 6 (5.26%) Kubernetes
3 4 (3.51%) Ansible
4 2 (1.75%) Microsoft Intune
5 1 (0.88%) Kibana
5 1 (0.88%) QRadar
Vendors
1 21 (18.42%) Microsoft
2 7 (6.14%) Sparx
3 4 (3.51%) Splunk
4 3 (2.63%) OpenAI
4 3 (2.63%) Oracle
5 2 (1.75%) Dynatrace
5 2 (1.75%) IBM
5 2 (1.75%) New Relic
6 1 (0.88%) Aderant
6 1 (0.88%) Apple
6 1 (0.88%) ArcSight
6 1 (0.88%) Genesys
6 1 (0.88%) HubSpot
6 1 (0.88%) iManage
6 1 (0.88%) Intapp
6 1 (0.88%) LogRhythm
6 1 (0.88%) MuleSoft
6 1 (0.88%) Sage
6 1 (0.88%) Salesforce
6 1 (0.88%) SAP