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

6 months to
13 Aug 2026
Same period 2025 Same period 2024
Rank 321 273 279
Rank change year-on-year -48 +6 -83
Permanent jobs citing JSON 121 114 196
As % of all permanent jobs in London 0.51% 0.94% 1.00%
As % of the Libraries, Frameworks & Software Standards category 3.42% 3.55% 4.01%
Number of salaries quoted 83 68 144
10th Percentile £46,305 £46,960 £42,500
25th Percentile £60,625 £50,000 £51,250
Median annual salary (50th Percentile) £75,000 £66,250 £68,750
Median % change year-on-year +13.21% -3.64% -1.79%
75th Percentile £85,000 £80,188 £83,750
90th Percentile £89,750 £102,875 £99,625
England median annual salary £62,500 £60,000 £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 3,535 3,210 4,891
As % of all permanent jobs advertised in London 14.84% 26.35% 25.00%
Number of salaries quoted 2,307 2,208 3,606
10th Percentile £51,250 £51,250 £50,000
25th Percentile £66,250 £63,750 £62,500
Median annual salary (50th Percentile) £82,500 £82,500 £85,000
Median % change year-on-year - -2.94% +6.25%
75th Percentile £100,000 £111,250 £115,000
90th Percentile £120,000 £135,000 £142,500
England median annual salary £65,000 £67,500 £62,500
% change year-on-year -3.70% +8.00% -7.41%

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 13 August 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 13 August 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 -21 6 £85,000 +28.30% 16
South London -7 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 (4.96%) WordPress
2 5 (4.13%) CMS
2 5 (4.13%) Drupal
3 2 (1.65%) SharePoint
4 1 (0.83%) Apache
4 1 (0.83%) Apache Airflow
4 1 (0.83%) Apache Spark
4 1 (0.83%) Cloud Foundry
4 1 (0.83%) IIS
4 1 (0.83%) Tomcat
Applications
1 1 (0.83%) Microsoft Excel
1 1 (0.83%) Microsoft PowerPoint
1 1 (0.83%) Microsoft Project
Business Applications
1 1 (0.83%) Oracle Procure-to-Pay
1 1 (0.83%) Payment Gateway
Cloud Services
1 43 (35.54%) AWS
2 42 (34.71%) Azure
3 23 (19.01%) Azure Logic Apps
4 18 (14.88%) Azure DevOps
5 16 (13.22%) Serverless
6 15 (12.40%) AWS Lambda
7 14 (11.57%) Power Platform
8 11 (9.09%) AWS CloudFormation
9 9 (7.44%) Azure Service Bus
10 6 (4.96%) Azure Monitor
11 5 (4.13%) Dynamics 365
11 5 (4.13%) Microsoft 365
11 5 (4.13%) PaaS
12 4 (3.31%) Amazon S3
12 4 (3.31%) Azure Cognitive Search
12 4 (3.31%) Azure Event Grid
12 4 (3.31%) GCP
12 4 (3.31%) GitHub
12 4 (3.31%) Microsoft Copilot
12 4 (3.31%) SaaS
Communications & Networking
1 2 (1.65%) HTTP
2 1 (0.83%) DNS
2 1 (0.83%) Network Security
2 1 (0.83%) TCP/IP
2 1 (0.83%) VPN
Database & Business Intelligence
1 26 (21.49%) PostgreSQL
2 21 (17.36%) Redis
3 9 (7.44%) Metadata
3 9 (7.44%) Relational Database
4 6 (4.96%) MySQL
4 6 (4.96%) RDBMS
5 3 (2.48%) Amazon Athena
5 3 (2.48%) Amazon RDS
5 3 (2.48%) DynamoDB
5 3 (2.48%) NoSQL
5 3 (2.48%) Parquet
5 3 (2.48%) Power BI
6 2 (1.65%) Apache Iceberg
6 2 (1.65%) Data Lake
6 2 (1.65%) Delta Lake
7 1 (0.83%) Amazon Redshift
7 1 (0.83%) Apache Hudi
7 1 (0.83%) Elasticsearch
7 1 (0.83%) Flink
7 1 (0.83%) Trino
Development Applications
1 20 (16.53%) Git
2 11 (9.09%) Jenkins
3 10 (8.26%) Selenium
4 6 (4.96%) ERwin
4 6 (4.96%) Postman
5 5 (4.13%) Jasmine
5 5 (4.13%) Maven
5 5 (4.13%) Mocha
5 5 (4.13%) NUnit
6 4 (3.31%) Gradle
6 4 (3.31%) WebDriver
7 3 (2.48%) SpecFlow
8 2 (1.65%) GitLab
8 2 (1.65%) JIRA
8 2 (1.65%) Team Foundation Server
8 2 (1.65%) TeamCity
9 1 (0.83%) CircleCI
9 1 (0.83%) Gatling
9 1 (0.83%) REST Assured
9 1 (0.83%) webpack
General
1 61 (50.41%) Social Skills
2 43 (35.54%) Finance
3 35 (28.93%) Analytical Skills
4 8 (6.61%) Organisational Skills
5 7 (5.79%) Health Technology
6 6 (4.96%) Financial Institution
7 5 (4.13%) Back Office
7 5 (4.13%) Law
8 4 (3.31%) Public Sector
9 3 (2.48%) Advertising
10 2 (1.65%) Banking
10 2 (1.65%) Billing
10 2 (1.65%) Front Office
10 2 (1.65%) Legal
10 2 (1.65%) Prime Brokerage
11 1 (0.83%) Documentation Skills
11 1 (0.83%) Legal Technology
11 1 (0.83%) Publishing
11 1 (0.83%) Telecoms
Job Titles
1 43 (35.54%) Developer
2 29 (23.97%) Senior
3 17 (14.05%) Ruby Developer
4 13 (10.74%) Integration Engineer
5 12 (9.92%) Senior Integration Engineer
6 11 (9.09%) DevOps Engineer
6 11 (9.09%) Senior Developer
7 7 (5.79%) .NET Developer
7 7 (5.79%) Customer Support Specialist
7 7 (5.79%) Support Specialist
8 6 (4.96%) Analyst
8 6 (4.96%) Consultant
8 6 (4.96%) Data Consultant
8 6 (4.96%) Data Model Consultant
9 5 (4.13%) Architect
9 5 (4.13%) Artificial Intelligence Engineer
9 5 (4.13%) Senior Software Engineer
9 5 (4.13%) Software Developer
9 5 (4.13%) Software Engineer
10 4 (3.31%) C# .NET Developer
Libraries, Frameworks & Software Standards
1 39 (32.23%) REST
2 31 (25.62%) RESTful
3 29 (23.97%) .NET
4 24 (19.83%) XML
5 20 (16.53%) .NET Core
5 20 (16.53%) JWT
6 17 (14.05%) ASP.NET
6 17 (14.05%) Ruby on Rails
6 17 (14.05%) Sidekiq
7 16 (13.22%) Blazor
7 16 (13.22%) Razor View Engine
7 16 (13.22%) WebAssembly
8 14 (11.57%) CSS
8 14 (11.57%) HTML
9 11 (9.09%) React
9 11 (9.09%) YAML
10 8 (6.61%) FIX Protocol
10 8 (6.61%) FpML
10 8 (6.61%) Kafka
11 6 (4.96%) XML Schema
Miscellaneous
1 17 (14.05%) Enterprise Software
2 8 (6.61%) Data Structures
3 7 (5.79%) Cloud Native
3 7 (5.79%) Onboarding
4 6 (4.96%) Analytical Mindset
4 6 (4.96%) e-Learning
4 6 (4.96%) Self-Motivation
5 5 (4.13%) Legacy Systems
5 5 (4.13%) Public Cloud
6 4 (3.31%) Product Ownership
7 3 (2.48%) Management Information System
8 2 (1.65%) Data Protection Act
8 2 (1.65%) Derivative
8 2 (1.65%) Fixed Income
8 2 (1.65%) Foreign Exchange (FX)
8 2 (1.65%) Replication
8 2 (1.65%) Team-Oriented Environment
9 1 (0.83%) Distributed Systems
9 1 (0.83%) Greenfield Project
9 1 (0.83%) Linux Command Line
Operating Systems
1 14 (11.57%) Linux
2 4 (3.31%) Windows
3 1 (0.83%) Mac OS
3 1 (0.83%) Windows Server
Processes & Methodologies
1 53 (43.80%) Agile
1 53 (43.80%) CI/CD
2 46 (38.02%) DevOps
3 31 (25.62%) Microservices
4 29 (23.97%) Test Automation
5 26 (21.49%) Performance Tuning
5 26 (21.49%) Problem-Solving
6 25 (20.66%) User Experience
7 23 (19.01%) Clean Code
7 23 (19.01%) Containerisation
7 23 (19.01%) Data Modelling
8 22 (18.18%) API Design
9 20 (16.53%) Scrum
10 19 (15.70%) Infrastructure as Code
11 17 (14.05%) Front End Development
11 17 (14.05%) Mentoring
11 17 (14.05%) OOP
12 16 (13.22%) AI
12 16 (13.22%) Responsive Web Design
12 16 (13.22%) Typography
Programming Languages
1 40 (33.06%) Python
2 33 (27.27%) C#
3 24 (19.83%) SQL
4 20 (16.53%) JavaScript
5 17 (14.05%) Ruby
6 12 (9.92%) Java
7 6 (4.96%) PHP
8 3 (2.48%) Bash
8 3 (2.48%) PowerShell
8 3 (2.48%) TypeScript
9 2 (1.65%) Kusto Query Language
9 2 (1.65%) Lua
9 2 (1.65%) Search Processing Language
10 1 (0.83%) Data Analysis Expressions
10 1 (0.83%) R
10 1 (0.83%) SPARQL
Qualifications
1 13 (10.74%) SC Cleared
1 13 (10.74%) Security Cleared
2 8 (6.61%) Degree
3 6 (4.96%) Azure Certification
4 4 (3.31%) Computer Science Degree
5 3 (2.48%) CISSP
6 2 (1.65%) (ISC)2 CCSP
6 2 (1.65%) CASP
6 2 (1.65%) CCSP
6 2 (1.65%) Cisco Certification
6 2 (1.65%) CompTIA CySA+
6 2 (1.65%) CompTIA Security+
6 2 (1.65%) Microsoft Certification
7 1 (0.83%) A+ Certification
7 1 (0.83%) GIAC
7 1 (0.83%) Network+ Certification
7 1 (0.83%) SSCP
Quality Assurance & Compliance
1 23 (19.01%) Accessibility
2 9 (7.44%) QA
3 7 (5.79%) SLA
3 7 (5.79%) WCAG
4 4 (3.31%) Data Quality
5 2 (1.65%) GDPR
6 1 (0.83%) Dublin Core
System Software
1 23 (19.01%) Docker
Systems Management
1 19 (15.70%) Terraform
2 6 (4.96%) Kubernetes
3 4 (3.31%) Ansible
4 2 (1.65%) Microsoft Intune
5 1 (0.83%) Grafana
5 1 (0.83%) Kibana
5 1 (0.83%) QRadar
Vendors
1 18 (14.88%) Microsoft
2 6 (4.96%) Sparx
3 3 (2.48%) OpenAI
3 3 (2.48%) Oracle
3 3 (2.48%) Splunk
4 2 (1.65%) Dynatrace
4 2 (1.65%) IBM
5 1 (0.83%) Aderant
5 1 (0.83%) Apple
5 1 (0.83%) ArcSight
5 1 (0.83%) HubSpot
5 1 (0.83%) iManage
5 1 (0.83%) Intapp
5 1 (0.83%) LogRhythm
5 1 (0.83%) MuleSoft
5 1 (0.83%) New Relic
5 1 (0.83%) Sage
5 1 (0.83%) Salesforce
5 1 (0.83%) SAP
5 1 (0.83%) SGI