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

6 months to
9 Jul 2026
Same period 2025 Same period 2024
Rank 316 284 281
Rank change year-on-year -32 -3 -70
Permanent jobs citing JSON 109 121 256
As % of all permanent jobs in London 0.49% 0.96% 1.08%
As % of the Libraries, Frameworks & Software Standards category 3.17% 3.61% 4.31%
Number of salaries quoted 76 79 194
10th Percentile £46,526 £46,960 £46,250
25th Percentile £61,250 £56,750 £52,500
Median annual salary (50th Percentile) £75,000 £67,500 £67,500
Median % change year-on-year +11.11% - -3.57%
75th Percentile £85,000 £81,875 £83,750
90th Percentile £87,500 £103,750 £96,250
England median annual salary £62,500 £63,000 £60,000
% change year-on-year -0.79% +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 3,441 3,353 5,938
As % of all permanent jobs advertised in London 15.52% 26.65% 25.10%
Number of salaries quoted 2,333 2,340 4,665
10th Percentile £51,250 £51,250 £47,500
25th Percentile £65,000 £62,500 £61,250
Median annual salary (50th Percentile) £82,500 £82,500 £82,500
Median % change year-on-year - - +3.13%
75th Percentile £100,000 £111,250 £107,500
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 9 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 9 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 -27 4 £87,500 +29.63% 10
South London +8 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 (5.50%) WordPress
2 5 (4.59%) CMS
2 5 (4.59%) Drupal
3 2 (1.83%) SharePoint
4 1 (0.92%) Apache
4 1 (0.92%) Apache Airflow
4 1 (0.92%) Apache Spark
4 1 (0.92%) Cloud Foundry
Applications
1 1 (0.92%) Microsoft Excel
1 1 (0.92%) Microsoft PowerPoint
1 1 (0.92%) Microsoft Project
Business Applications
1 1 (0.92%) Oracle Procure-to-Pay
1 1 (0.92%) Payment Gateway
Cloud Services
1 41 (37.61%) Azure
2 40 (36.70%) AWS
3 20 (18.35%) Azure Logic Apps
4 17 (15.60%) Serverless
5 16 (14.68%) AWS Lambda
6 15 (13.76%) Azure DevOps
7 13 (11.93%) Power Platform
8 12 (11.01%) AWS CloudFormation
9 9 (8.26%) Azure Service Bus
10 6 (5.50%) Azure Monitor
11 5 (4.59%) Amazon S3
11 5 (4.59%) Dynamics 365
11 5 (4.59%) Microsoft 365
11 5 (4.59%) PaaS
12 4 (3.67%) Amazon EC2
12 4 (3.67%) Azure Cognitive Search
12 4 (3.67%) Azure Event Grid
12 4 (3.67%) Azure Table
12 4 (3.67%) Microsoft Copilot
12 4 (3.67%) SaaS
Communications & Networking
1 1 (0.92%) AMQP
1 1 (0.92%) CTI
1 1 (0.92%) HTTP
1 1 (0.92%) Network Security
Database & Business Intelligence
1 19 (17.43%) PostgreSQL
2 17 (15.60%) Redis
3 9 (8.26%) Metadata
4 8 (7.34%) Relational Database
5 7 (6.42%) RDBMS
6 6 (5.50%) MySQL
7 4 (3.67%) Amazon RDS
8 3 (2.75%) Parquet
8 3 (2.75%) Power BI
9 2 (1.83%) Amazon Athena
9 2 (1.83%) Apache Iceberg
9 2 (1.83%) Data Lake
9 2 (1.83%) Delta Lake
9 2 (1.83%) DynamoDB
10 1 (0.92%) Azure SQL Database
10 1 (0.92%) Big Data
10 1 (0.92%) Elasticsearch
10 1 (0.92%) NoSQL
10 1 (0.92%) SQL Server Integration Services
10 1 (0.92%) Tableau
Development Applications
1 20 (18.35%) Git
2 12 (11.01%) Jenkins
3 8 (7.34%) Postman
4 7 (6.42%) ERwin
4 7 (6.42%) Maven
5 6 (5.50%) Selenium
6 5 (4.59%) Gradle
6 5 (4.59%) SpecFlow
6 5 (4.59%) WebDriver
7 3 (2.75%) JUnit
8 2 (1.83%) GitLab
8 2 (1.83%) Team Foundation Server
9 1 (0.92%) Atlassian Bamboo
9 1 (0.92%) Browser DevTools
9 1 (0.92%) CircleCI
9 1 (0.92%) Jasmine
9 1 (0.92%) JIRA
9 1 (0.92%) SoapUI
9 1 (0.92%) TeamCity
9 1 (0.92%) webpack
General
1 50 (45.87%) Social Skills
2 41 (37.61%) Finance
3 26 (23.85%) Analytical Skills
4 9 (8.26%) Law
5 7 (6.42%) Financial Institution
5 7 (6.42%) Organisational Skills
6 6 (5.50%) Health Technology
7 5 (4.59%) Back Office
8 4 (3.67%) Advertising
9 2 (1.83%) Billing
9 2 (1.83%) Front Office
9 2 (1.83%) Legal
9 2 (1.83%) Prime Brokerage
10 1 (0.92%) Documentation Skills
10 1 (0.92%) Legal Technology
10 1 (0.92%) Public Sector
10 1 (0.92%) Publishing
10 1 (0.92%) Telecoms
Job Titles
1 38 (34.86%) Developer
2 22 (20.18%) Senior
3 13 (11.93%) Ruby Developer
4 12 (11.01%) DevOps Engineer
5 11 (10.09%) Senior Developer
6 10 (9.17%) Integration Engineer
7 9 (8.26%) Senior Integration Engineer
8 7 (6.42%) .NET Developer
8 7 (6.42%) Analyst
8 7 (6.42%) Consultant
8 7 (6.42%) Data Consultant
8 7 (6.42%) Data Model Consultant
9 6 (5.50%) Architect
9 6 (5.50%) Customer Support Specialist
9 6 (5.50%) Data Analyst
9 6 (5.50%) Java Developer
9 6 (5.50%) Support Specialist
10 5 (4.59%) Artificial Intelligence Engineer
10 5 (4.59%) QA Engineer
10 5 (4.59%) Software Developer
Libraries, Frameworks & Software Standards
1 42 (38.53%) REST
2 27 (24.77%) XML
3 25 (22.94%) RESTful
4 24 (22.02%) .NET
5 17 (15.60%) .NET Core
6 16 (14.68%) JWT
7 14 (12.84%) ASP.NET
8 13 (11.93%) Blazor
8 13 (11.93%) CSS
8 13 (11.93%) HTML
8 13 (11.93%) Razor View Engine
8 13 (11.93%) Ruby on Rails
8 13 (11.93%) Sidekiq
8 13 (11.93%) WebAssembly
9 12 (11.01%) YAML
10 11 (10.09%) React
11 9 (8.26%) FIX Protocol
11 9 (8.26%) FpML
12 8 (7.34%) SOAP
12 8 (7.34%) Swagger
Miscellaneous
1 13 (11.93%) Data Structures
2 10 (9.17%) Enterprise Software
3 8 (7.34%) Onboarding
4 7 (6.42%) Analytical Mindset
4 7 (6.42%) e-Learning
5 6 (5.50%) Cloud Native
6 5 (4.59%) Public Cloud
6 5 (4.59%) Self-Motivation
7 3 (2.75%) Legacy Systems
7 3 (2.75%) Management Information System
7 3 (2.75%) Product Ownership
8 2 (1.83%) Data Protection Act
8 2 (1.83%) Derivative
8 2 (1.83%) Fixed Income
8 2 (1.83%) Reference Data
8 2 (1.83%) Replication
9 1 (0.92%) Equities
9 1 (0.92%) Foreign Exchange (FX)
9 1 (0.92%) Security Posture
9 1 (0.92%) Taxonomies
Operating Systems
1 15 (13.76%) Linux
2 3 (2.75%) Windows
Processes & Methodologies
1 42 (38.53%) Agile
1 42 (38.53%) CI/CD
2 39 (35.78%) DevOps
3 27 (24.77%) Data Modelling
4 26 (23.85%) Microservices
5 22 (20.18%) API Design
5 22 (20.18%) Performance Tuning
6 21 (19.27%) Infrastructure as Code
6 21 (19.27%) User Experience
7 20 (18.35%) Test Automation
8 19 (17.43%) AI
9 18 (16.51%) Clean Code
9 18 (16.51%) Containerisation
9 18 (16.51%) Problem-Solving
10 14 (12.84%) Front End Development
10 14 (12.84%) Scrum
11 13 (11.93%) Analytics
11 13 (11.93%) OOP
11 13 (11.93%) Responsive Web Design
11 13 (11.93%) Typography
Programming Languages
1 40 (36.70%) Python
2 30 (27.52%) SQL
3 28 (25.69%) C#
4 18 (16.51%) JavaScript
5 13 (11.93%) Java
5 13 (11.93%) Ruby
6 6 (5.50%) PHP
7 3 (2.75%) Bash
7 3 (2.75%) PowerShell
8 2 (1.83%) Kusto Query Language
8 2 (1.83%) Lua
8 2 (1.83%) Search Processing Language
8 2 (1.83%) TypeScript
9 1 (0.92%) Data Analysis Expressions
9 1 (0.92%) R
Qualifications
1 16 (14.68%) SC Cleared
1 16 (14.68%) Security Cleared
2 6 (5.50%) Azure Certification
3 5 (4.59%) Degree
4 4 (3.67%) Computer Science Degree
5 3 (2.75%) CISSP
6 2 (1.83%) (ISC)2 CCSP
6 2 (1.83%) CASP
6 2 (1.83%) CCSP
6 2 (1.83%) Cisco Certification
6 2 (1.83%) CompTIA CySA+
6 2 (1.83%) CompTIA Security+
6 2 (1.83%) Microsoft Certification
7 1 (0.92%) GIAC
7 1 (0.92%) SSCP
Quality Assurance & Compliance
1 19 (17.43%) Accessibility
2 7 (6.42%) QA
3 6 (5.50%) SLA
3 6 (5.50%) WCAG
4 4 (3.67%) Data Quality
5 3 (2.75%) GDPR
System Software
1 20 (18.35%) Docker
Systems Management
1 20 (18.35%) Terraform
2 7 (6.42%) Kubernetes
3 5 (4.59%) Ansible
4 2 (1.83%) Microsoft Intune
5 1 (0.92%) Kibana
5 1 (0.92%) QRadar
Vendors
1 21 (19.27%) Microsoft
2 7 (6.42%) Sparx
3 4 (3.67%) Splunk
4 3 (2.75%) OpenAI
5 2 (1.83%) Dynatrace
5 2 (1.83%) New Relic
6 1 (0.92%) Aderant
6 1 (0.92%) Apple
6 1 (0.92%) ArcSight
6 1 (0.92%) Exabeam
6 1 (0.92%) Foundry
6 1 (0.92%) Genesys
6 1 (0.92%) HubSpot
6 1 (0.92%) iManage
6 1 (0.92%) Intapp
6 1 (0.92%) Legora
6 1 (0.92%) LogRhythm
6 1 (0.92%) MuleSoft
6 1 (0.92%) Pega
6 1 (0.92%) Sage