JSON Jobs in London

JSON
England > London

The table below provides summary statistics for permanent job vacancies advertised in London requiring JSON skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited JSON over the 6 months leading up to 12 July 2025, comparing them to the same period in the previous two years.

6 months to
12 Jul 2025
Same period 2024 Same period 2023
Rank 290 276 211
Rank change year-on-year -14 -65 -24
Permanent jobs citing JSON 124 248 482
As % of all permanent jobs advertised in London 0.94% 1.06% 1.66%
As % of the Libraries, Frameworks & Software Standards category 3.44% 4.22% 5.19%
Number of salaries quoted 81 187 415
10th Percentile £46,960 £46,250 £51,250
25th Percentile £55,000 £51,625 £58,125
Median annual salary (50th Percentile) £70,000 £67,500 £70,000
Median % change year-on-year +3.70% -3.57% -6.67%
75th Percentile £82,500 £83,750 £87,500
90th Percentile £103,750 £96,250 £100,000
England median annual salary £63,000 £60,000 £65,000
% change year-on-year +5.00% -7.69% +5.82%

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 3,600 5,872 9,286
As % of all permanent jobs advertised in London 27.17% 25.05% 31.97%
Number of salaries quoted 2,329 4,553 7,511
10th Percentile £51,850 £47,500 £50,000
25th Percentile £63,750 £61,250 £62,500
Median annual salary (50th Percentile) £82,500 £82,500 £80,000
Median % change year-on-year - +3.13% +6.67%
75th Percentile £111,250 £108,750 £100,000
90th Percentile £135,000 £142,500 £120,000
England median annual salary £67,500 £60,000 £67,500
% change year-on-year +12.50% -11.11% +3.85%

JSON
Job Vacancy Trend in London

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

Job vacancy trend for JSON in London

JSON
Salary Trend in London

3-month moving average salary quoted in jobs citing JSON in London.

Salary trend for JSON in London

JSON
Salary Histogram in London

Salary distribution for jobs citing JSON in London over the 6 months to 12 July 2025.

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 12 July 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
Central London +7 29 £67,500 +3.85% 10
South London +8 11 - -
North London - 1 £32,500 - 1
JSON
England

JSON
Co-occurring Skills and Capabilities in London 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 9 (7.26%) SharePoint
2 6 (4.84%) CMS
2 6 (4.84%) WordPress
3 4 (3.23%) Apache Airflow
3 4 (3.23%) Confluence
3 4 (3.23%) OpenEdge
3 4 (3.23%) Oracle SOA Suite
4 3 (2.42%) Drupal
4 3 (2.42%) Mule
4 3 (2.42%) Oracle Coherence
4 3 (2.42%) Tomcat
5 2 (1.61%) CICS
5 2 (1.61%) WebSphere
6 1 (0.81%) Apache
6 1 (0.81%) Appian
6 1 (0.81%) Ethereum
6 1 (0.81%) Oracle Workflow
6 1 (0.81%) Solana
Applications
1 3 (2.42%) Microsoft Excel
2 2 (1.61%) Microsoft Office
3 1 (0.81%) Microsoft PowerPoint
3 1 (0.81%) MS Visio
Business Applications
1 12 (9.68%) Dynamics CRM
2 2 (1.61%) Elite 3E
3 1 (0.81%) Shopify
Cloud Services
1 52 (41.94%) Azure
2 34 (27.42%) AWS
3 21 (16.94%) Power Platform
3 21 (16.94%) Serverless
4 19 (15.32%) GitHub
5 15 (12.10%) Azure DevOps
6 14 (11.29%) PowerApps
7 13 (10.48%) Dynamics 365
8 12 (9.68%) Amazon ECS
8 12 (9.68%) Power Automate
9 11 (8.87%) Amazon EC2
9 11 (8.87%) Amazon EKS
10 10 (8.06%) Microsoft 365
11 9 (7.26%) Azure Logic Apps
12 7 (5.65%) GitHub Actions
12 7 (5.65%) SaaS
13 6 (4.84%) GCP
13 6 (4.84%) PaaS
14 5 (4.03%) Cloud Computing
14 5 (4.03%) Entra ID
Communications & Networking
1 11 (8.87%) HTTP
2 1 (0.81%) Cisco ISE
2 1 (0.81%) Ethernet
2 1 (0.81%) Firewall
2 1 (0.81%) LAN
2 1 (0.81%) SD-WAN
2 1 (0.81%) SSH
2 1 (0.81%) WAN
2 1 (0.81%) X.21
Database & Business Intelligence
1 25 (20.16%) SQL Server
2 17 (13.71%) Relational Database
3 15 (12.10%) Power BI
4 13 (10.48%) RDBMS
5 11 (8.87%) PostgreSQL
6 10 (8.06%) SQL Server Reporting Services
7 8 (6.45%) NoSQL
8 5 (4.03%) Data Warehouse
8 5 (4.03%) Parquet
8 5 (4.03%) SQL Server Integration Services
8 5 (4.03%) Tableau
9 4 (3.23%) Data Lake
9 4 (3.23%) MySQL
10 3 (2.42%) MongoDB
10 3 (2.42%) Redis
11 2 (1.61%) Big Data
11 2 (1.61%) DB2
11 2 (1.61%) Hadoop
12 1 (0.81%) NonStop SQL
12 1 (0.81%) OLAP
Development Applications
1 34 (27.42%) Git
2 29 (23.39%) Jenkins
3 15 (12.10%) JUnit
4 13 (10.48%) JMeter
5 11 (8.87%) Mockito
6 9 (7.26%) JIRA
7 6 (4.84%) Bitbucket
7 6 (4.84%) Selenium
8 5 (4.03%) Team Foundation Server
8 5 (4.03%) TeamCity
9 4 (3.23%) Appium
9 4 (3.23%) NUnit
9 4 (3.23%) Octopus Deploy
9 4 (3.23%) XCUITest
10 3 (2.42%) Jasmine
10 3 (2.42%) Mocha
10 3 (2.42%) PHPUnit
10 3 (2.42%) Postman
10 3 (2.42%) WebDriver
10 3 (2.42%) webpack
General
1 44 (35.48%) Social Skills
2 20 (16.13%) Public Sector
3 16 (12.90%) Finance
4 12 (9.68%) Marketing
5 11 (8.87%) Law
6 10 (8.06%) Analytical Skills
7 8 (6.45%) Banking
8 6 (4.84%) Front Office
8 6 (4.84%) Inclusion and Diversity
9 5 (4.03%) Investment Banking
10 4 (3.23%) Documentation Skills
11 3 (2.42%) Advertising
11 3 (2.42%) Influencing Skills
12 2 (1.61%) Legal
12 2 (1.61%) Retail
13 1 (0.81%) Back Office
13 1 (0.81%) Games
13 1 (0.81%) Presentation Skills
13 1 (0.81%) Telecoms
Job Titles
1 61 (49.19%) Developer
2 17 (13.71%) Senior
3 15 (12.10%) Full-Stack Developer
3 15 (12.10%) Java Developer
4 11 (8.87%) Full-Stack Java Developer
4 11 (8.87%) Senior Developer
5 10 (8.06%) Architect
6 9 (7.26%) C# Developer
7 8 (6.45%) Data Engineer
8 6 (4.84%) .NET Developer
8 6 (4.84%) Lead
8 6 (4.84%) React Developer
9 5 (4.03%) .NET Programmer
9 5 (4.03%) Microsoft Developer
9 5 (4.03%) Programmer
9 5 (4.03%) SQL Developer
9 5 (4.03%) Support Manager
9 5 (4.03%) Technical Manager
9 5 (4.03%) Technical Support
9 5 (4.03%) Technical Support Manager
Libraries, Frameworks & Software Standards
1 57 (45.97%) XML
2 47 (37.90%) REST
3 43 (34.68%) HTML
4 35 (28.23%) Web Services
5 29 (23.39%) CSS
6 28 (22.58%) .NET
7 20 (16.13%) RESTful
8 19 (15.32%) jQuery
9 18 (14.52%) SOAP
10 15 (12.10%) .NET Framework
10 15 (12.10%) Hibernate
10 15 (12.10%) Spring
11 14 (11.29%) React
12 12 (9.68%) AngularJS
12 12 (9.68%) Apache Camel
12 12 (9.68%) Spring Boot
13 11 (8.87%) ActiveMQ
13 11 (8.87%) WireMock
14 9 (7.26%) ASP.NET Web API
14 9 (7.26%) HTML5
Miscellaneous
1 12 (9.68%) Distributed Systems
2 8 (6.45%) Cloud Native
3 7 (5.65%) Mobile App
4 6 (4.84%) Linux Command Line
4 6 (4.84%) Self-Motivation
5 5 (4.03%) BYOD
5 5 (4.03%) Data Protection Act
5 5 (4.03%) Product Ownership
6 2 (1.61%) Legacy Systems
7 1 (0.81%) Bitcoin
7 1 (0.81%) Blockchain
7 1 (0.81%) Blog
7 1 (0.81%) Data Centre
7 1 (0.81%) Low-Code
7 1 (0.81%) Onboarding
7 1 (0.81%) PKI
7 1 (0.81%) PropTech
7 1 (0.81%) Public Cloud
7 1 (0.81%) Tandem
7 1 (0.81%) Web3
Operating Systems
1 8 (6.45%) Linux
2 4 (3.23%) Apple iOS
3 2 (1.61%) Unix
3 2 (1.61%) Windows
3 2 (1.61%) zOS
4 1 (0.81%) Red Hat Enterprise Linux
Processes & Methodologies
1 59 (47.58%) Agile
2 41 (33.06%) Microservices
3 37 (29.84%) CI/CD
4 28 (22.58%) Problem-Solving
5 27 (21.77%) DevOps
6 23 (18.55%) Mentoring
7 21 (16.94%) TDD
8 19 (15.32%) Data Modelling
9 18 (14.52%) CRM
10 17 (13.71%) Business Intelligence
10 17 (13.71%) Full-Stack Development
11 16 (12.90%) BDD
11 16 (12.90%) Migration
12 15 (12.10%) Test Automation
13 14 (11.29%) Workflow
14 13 (10.48%) Software Testing
15 12 (9.68%) ETL
16 11 (8.87%) Continuous Integration
16 11 (8.87%) Data Integration
16 11 (8.87%) Process Management
Programming Languages
1 63 (50.81%) JavaScript
2 55 (44.35%) SQL
3 35 (28.23%) Python
4 31 (25.00%) Java
5 23 (18.55%) C#
6 15 (12.10%) Shell Script
7 12 (9.68%) TypeScript
8 9 (7.26%) PowerShell
9 7 (5.65%) PHP
10 6 (4.84%) Go
11 5 (4.03%) PL/SQL
12 4 (3.23%) Bash
12 4 (3.23%) Data Analysis Expressions
12 4 (3.23%) OpenEdge ABL
12 4 (3.23%) Progress 4GL
12 4 (3.23%) Swift
13 3 (2.42%) COBOL
13 3 (2.42%) SPARQL
13 3 (2.42%) XQuery
14 2 (1.61%) T-SQL
Qualifications
1 15 (12.10%) Degree
2 8 (6.45%) Security Cleared
3 7 (5.65%) Computer Science Degree
4 5 (4.03%) Microsoft Certification
5 4 (3.23%) SC Cleared
6 3 (2.42%) Azure Certification
6 3 (2.42%) ISTQB
7 2 (1.61%) TOGAF Certification
8 1 (0.81%) BPSS Clearance
8 1 (0.81%) Master's Degree
8 1 (0.81%) SnowPro
Quality Assurance & Compliance
1 14 (11.29%) QA
2 9 (7.26%) Accessibility
3 5 (4.03%) Data Quality
3 5 (4.03%) ISO/IEC 27001
4 4 (3.23%) NCSC
4 4 (3.23%) NIST
5 3 (2.42%) WCAG
6 1 (0.81%) ISO 15022
6 1 (0.81%) ISO 20022
6 1 (0.81%) SOC 2
System Software
1 23 (18.55%) Docker
2 5 (4.03%) Active Directory
3 1 (0.81%) Virtual Machines
3 1 (0.81%) VMware NSX
Systems Management
1 22 (17.74%) Kubernetes
2 11 (8.87%) Kibana
3 4 (3.23%) Terraform
4 2 (1.61%) CA Endevor
5 1 (0.81%) Ansible
5 1 (0.81%) FortiGate
5 1 (0.81%) Grafana
5 1 (0.81%) Progress Chef
5 1 (0.81%) Prometheus
5 1 (0.81%) Puppet
Vendors
1 28 (22.58%) Microsoft
2 14 (11.29%) Oracle
3 11 (8.87%) Dynatrace
3 11 (8.87%) Splunk
4 8 (6.45%) IBM
5 5 (4.03%) Trayport
6 4 (3.23%) Databricks
7 3 (2.42%) Pega
7 3 (2.42%) Progress
7 3 (2.42%) ServiceNow
7 3 (2.42%) Solace
7 3 (2.42%) Talend
8 2 (1.61%) Informatica
8 2 (1.61%) MuleSoft
8 2 (1.61%) OpenAI
8 2 (1.61%) Salesforce
8 2 (1.61%) Snow
9 1 (0.81%) Conga
9 1 (0.81%) DocuSign
9 1 (0.81%) Workday