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

6 months to
25 Jun 2026
Same period 2025 Same period 2024
Rank 319 276 274
Rank change year-on-year -43 -2 -61
Permanent jobs citing JSON 112 114 263
As % of all permanent jobs in London 0.52% 0.93% 1.07%
As % of the Libraries, Frameworks & Software Standards category 3.29% 3.50% 4.33%
Number of salaries quoted 74 75 199
10th Percentile £46,526 £47,176 £47,250
25th Percentile £60,313 £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 £81,250 £83,750
90th Percentile £87,500 £103,250 £96,750
England median annual salary £65,000 £63,000 £60,000
% change year-on-year +3.17% +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 3,409 3,259 6,069
As % of all permanent jobs advertised in London 15.69% 26.72% 24.75%
Number of salaries quoted 2,318 2,262 4,803
10th Percentile £51,250 £51,250 £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 £111,250 £105,000
90th Percentile £120,000 £132,500 £138,750
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 25 June 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 25 June 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 -32 4 £87,500 +29.63% 7
South London +10 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 (5.36%) WordPress
2 5 (4.46%) CMS
2 5 (4.46%) Drupal
3 2 (1.79%) Apache
3 2 (1.79%) SharePoint
4 1 (0.89%) Apache Airflow
4 1 (0.89%) Apache Spark
4 1 (0.89%) Cloud Foundry
4 1 (0.89%) JBoss
4 1 (0.89%) Tomcat
Applications
1 1 (0.89%) Microsoft Excel
1 1 (0.89%) Microsoft PowerPoint
1 1 (0.89%) Microsoft Project
Business Applications
1 1 (0.89%) NetSuite
1 1 (0.89%) Oracle Procure-to-Pay
1 1 (0.89%) Payment Gateway
Cloud Services
1 40 (35.71%) Azure
2 39 (34.82%) AWS
3 19 (16.96%) Azure Logic Apps
4 18 (16.07%) Serverless
5 17 (15.18%) AWS Lambda
6 13 (11.61%) Azure DevOps
6 13 (11.61%) Power Platform
7 12 (10.71%) AWS CloudFormation
8 9 (8.04%) Azure Service Bus
9 6 (5.36%) Amazon S3
9 6 (5.36%) Azure Monitor
9 6 (5.36%) GCP
10 5 (4.46%) Amazon EC2
10 5 (4.46%) Apigee
10 5 (4.46%) Dynamics 365
10 5 (4.46%) Microsoft 365
10 5 (4.46%) PaaS
10 5 (4.46%) SaaS
11 4 (3.57%) Azure Cognitive Search
11 4 (3.57%) Azure Table
Communications & Networking
1 2 (1.79%) AMQP
1 2 (1.79%) VPN
2 1 (0.89%) CTI
2 1 (0.89%) HTTP
2 1 (0.89%) Network Security
Database & Business Intelligence
1 16 (14.29%) PostgreSQL
2 15 (13.39%) Redis
3 9 (8.04%) Metadata
4 8 (7.14%) MySQL
4 8 (7.14%) Relational Database
5 7 (6.25%) RDBMS
6 5 (4.46%) Amazon RDS
7 3 (2.68%) Parquet
7 3 (2.68%) Power BI
8 2 (1.79%) Amazon Athena
8 2 (1.79%) Apache Iceberg
8 2 (1.79%) Data Lake
8 2 (1.79%) Delta Lake
8 2 (1.79%) DynamoDB
8 2 (1.79%) Electronic Patient Records
8 2 (1.79%) SQL Server
9 1 (0.89%) Apache Hudi
9 1 (0.89%) Big Data
9 1 (0.89%) Tableau
9 1 (0.89%) Trino
Development Applications
1 20 (17.86%) Git
2 12 (10.71%) Jenkins
3 11 (9.82%) Postman
4 7 (6.25%) ERwin
4 7 (6.25%) Maven
5 5 (4.46%) Gradle
5 5 (4.46%) Selenium
5 5 (4.46%) SpecFlow
5 5 (4.46%) WebDriver
6 3 (2.68%) JUnit
7 2 (1.79%) GitLab
7 2 (1.79%) JIRA
7 2 (1.79%) Team Foundation Server
8 1 (0.89%) Atlassian Bamboo
8 1 (0.89%) Browser DevTools
8 1 (0.89%) CircleCI
8 1 (0.89%) Mockito
8 1 (0.89%) Subversion
8 1 (0.89%) TeamCity
8 1 (0.89%) webpack
General
1 49 (43.75%) Social Skills
2 39 (34.82%) Finance
3 24 (21.43%) Analytical Skills
4 9 (8.04%) Law
5 8 (7.14%) Health Technology
6 7 (6.25%) Financial Institution
6 7 (6.25%) Organisational Skills
7 5 (4.46%) Back Office
8 4 (3.57%) Advertising
8 4 (3.57%) Telecoms
9 2 (1.79%) Billing
9 2 (1.79%) Front Office
9 2 (1.79%) Legal
9 2 (1.79%) Prime Brokerage
10 1 (0.89%) Documentation Skills
10 1 (0.89%) Legal Technology
10 1 (0.89%) Publishing
10 1 (0.89%) Retail
Job Titles
1 37 (33.04%) Developer
2 20 (17.86%) Senior
3 12 (10.71%) DevOps Engineer
4 11 (9.82%) Ruby Developer
4 11 (9.82%) Senior Developer
5 10 (8.93%) Consultant
6 9 (8.04%) Architect
7 8 (7.14%) Integration Engineer
7 8 (7.14%) Java Developer
8 7 (6.25%) Analyst
8 7 (6.25%) Data Consultant
8 7 (6.25%) Data Model Consultant
8 7 (6.25%) Senior Integration Engineer
9 6 (5.36%) .NET Developer
9 6 (5.36%) Customer Support Specialist
9 6 (5.36%) Data Analyst
9 6 (5.36%) Support Specialist
10 5 (4.46%) Artificial Intelligence Engineer
10 5 (4.46%) QA Engineer
10 5 (4.46%) Software Developer
Libraries, Frameworks & Software Standards
1 46 (41.07%) REST
2 31 (27.68%) XML
3 22 (19.64%) RESTful
4 21 (18.75%) .NET
5 18 (16.07%) JWT
6 15 (13.39%) .NET Core
7 14 (12.50%) CSS
7 14 (12.50%) HTML
8 12 (10.71%) ASP.NET
8 12 (10.71%) React
8 12 (10.71%) YAML
9 11 (9.82%) Blazor
9 11 (9.82%) Razor View Engine
9 11 (9.82%) Ruby on Rails
9 11 (9.82%) Sidekiq
9 11 (9.82%) Spring
9 11 (9.82%) Swagger
9 11 (9.82%) WebAssembly
10 10 (8.93%) SOAP
11 9 (8.04%) FpML
Miscellaneous
1 13 (11.61%) Data Structures
2 8 (7.14%) Enterprise Software
2 8 (7.14%) Onboarding
3 7 (6.25%) Analytical Mindset
3 7 (6.25%) e-Learning
4 6 (5.36%) Cloud Native
5 5 (4.46%) Public Cloud
5 5 (4.46%) Self-Motivation
6 3 (2.68%) Linux Command Line
6 3 (2.68%) Management Information System
6 3 (2.68%) Product Ownership
7 2 (1.79%) Data Protection Act
7 2 (1.79%) Derivative
7 2 (1.79%) Fixed Income
7 2 (1.79%) Legacy Systems
7 2 (1.79%) NHS
7 2 (1.79%) Reference Data
7 2 (1.79%) Replication
8 1 (0.89%) Greenfield Project
8 1 (0.89%) Security Posture
Operating Systems
1 17 (15.18%) Linux
2 3 (2.68%) Windows
Processes & Methodologies
1 43 (38.39%) CI/CD
2 40 (35.71%) Agile
2 40 (35.71%) DevOps
3 27 (24.11%) Data Modelling
3 27 (24.11%) Microservices
4 22 (19.64%) User Experience
5 21 (18.75%) API Design
5 21 (18.75%) Infrastructure as Code
6 20 (17.86%) Performance Tuning
7 19 (16.96%) AI
8 18 (16.07%) Problem-Solving
9 17 (15.18%) Containerisation
9 17 (15.18%) Test Automation
10 16 (14.29%) Clean Code
11 15 (13.39%) Continuous Improvement
12 13 (11.61%) Analytics
12 13 (11.61%) API Management
12 13 (11.61%) Event-Driven
13 12 (10.71%) Front End Development
13 12 (10.71%) Roadmaps
Programming Languages
1 39 (34.82%) Python
2 34 (30.36%) SQL
3 25 (22.32%) C#
4 23 (20.54%) JavaScript
5 18 (16.07%) Java
6 11 (9.82%) Ruby
7 9 (8.04%) PHP
8 3 (2.68%) Bash
8 3 (2.68%) PowerShell
9 2 (1.79%) Kusto Query Language
9 2 (1.79%) Lua
9 2 (1.79%) Search Processing Language
9 2 (1.79%) TypeScript
10 1 (0.89%) ActionScript
10 1 (0.89%) ActionScript 2.0
10 1 (0.89%) Data Analysis Expressions
10 1 (0.89%) R
Qualifications
1 16 (14.29%) SC Cleared
1 16 (14.29%) Security Cleared
2 6 (5.36%) Azure Certification
3 5 (4.46%) Degree
4 4 (3.57%) Computer Science Degree
5 3 (2.68%) CISSP
6 2 (1.79%) (ISC)2 CCSP
6 2 (1.79%) CASP
6 2 (1.79%) CCSP
6 2 (1.79%) Cisco Certification
6 2 (1.79%) CompTIA CySA+
6 2 (1.79%) CompTIA Security+
6 2 (1.79%) Microsoft Certification
7 1 (0.89%) GIAC
7 1 (0.89%) SSCP
Quality Assurance & Compliance
1 17 (15.18%) Accessibility
2 7 (6.25%) QA
3 6 (5.36%) SLA
3 6 (5.36%) WCAG
4 4 (3.57%) Data Quality
5 3 (2.68%) GDPR
6 2 (1.79%) HL7
System Software
1 22 (19.64%) Docker
Systems Management
1 20 (17.86%) Terraform
2 11 (9.82%) Kubernetes
3 5 (4.46%) Ansible
4 2 (1.79%) Microsoft Intune
5 1 (0.89%) Kibana
5 1 (0.89%) QRadar
Vendors
1 21 (18.75%) Microsoft
2 7 (6.25%) Sparx
3 4 (3.57%) Splunk
4 3 (2.68%) Google
4 3 (2.68%) OpenAI
4 3 (2.68%) Oracle
5 2 (1.79%) Dynatrace
5 2 (1.79%) MuleSoft
5 2 (1.79%) New Relic
5 2 (1.79%) SAP
6 1 (0.89%) Apple
6 1 (0.89%) ArcSight
6 1 (0.89%) Dell
6 1 (0.89%) Foundry
6 1 (0.89%) Genesys
6 1 (0.89%) iManage
6 1 (0.89%) LogRhythm
6 1 (0.89%) Pega
6 1 (0.89%) Sage
6 1 (0.89%) Salesforce