The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for JSON skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited JSON over the 3 months to 24 June 2017 with a comparison to the same period in the previous 2 years.

JSON
East of England / Hertfordshire
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 96 107 123
Rank change year-on-year +11 +16  
Permanent jobs citing JSON 51 37 51
As % of all permanent IT jobs advertised in Hertfordshire 2.46% 1.62% 1.77%
As % of the Libraries, Frameworks & Software Standards category 6.54% 5.22% 4.84%
Number of salaries quoted 48 35 47
Median salary £45,000 £45,000 £45,000
90% offered a salary of more than £35,000 £37,500 £40,000
10% offered a salary of more than £56,000 £58,500 £50,000
UK excluding London median salary £45,000 £45,000 £40,000
% change year-on-year - +12.50%  

JSON is in the industry standards, technical specifications and software library and framework skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Hertfordshire with a requirement for industry standards, technical specifications and software library and framework skills.

Software Library & Framework Skills
Hertfordshire
Permanent job vacancies with a requirement for industry standards, technical specifications and software library and framework skills 780 709 1054
As % of all permanent IT job vacancies advertised in Hertfordshire 37.70% 31.03% 36.58%
Number of salaries quoted 682 617 896
Median salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.55%  
90% offered a salary of more than £35,000 £32,500 £32,500
10% offered a salary of more than £65,000 £60,000 £65,000
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year +6.25% -  

JSON
Job Vacancy Trend in Hertfordshire

The job posting trend of jobs advertised in Hertfordshire citing JSON as a proportion of all permanent or contract IT jobs with a match in the Libraries, Frameworks & Software Standards category.

Job vacancy trend for JSON in Hertfordshire

JSON
Salary Trend in Hertfordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing JSON in Hertfordshire.

Salary trend for JSON in Hertfordshire

JSON
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing JSON in Hertfordshire over the 3 months to 24 June 2017.

Salary histogram for JSON in Hertfordshire

JSON
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing JSON within the Hertfordshire region over the 3 months to 24 June 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Watford +8 21 £47,500 +26.66% 4
Borehamwood - 12 £36,500 -
Hatfield -7 9 £55,000 +18.91% 1
Hemel Hempstead - 4 £33,750 - 1
Cheshunt - 2 £40,000 -
Hertford - 1 £80,000 -
JSON
East of England

For the 6 months to 24 June 2017, IT jobs citing JSON also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Hertfordshire region with a requirement for JSON.

1 65 (74.71%) HTML
1 65 (74.71%) CSS
2 62 (71.26%) JavaScript
3 46 (52.87%) XML
4 40 (45.98%) OO
5 38 (43.68%) AngularJS
6 37 (42.53%) HTML5
7 36 (41.38%) jQuery
8 32 (36.78%) Node.js
9 28 (32.18%) Java
10 26 (29.89%) React
11 25 (28.74%) SQL
11 25 (28.74%) Retail
12 24 (27.59%) Ajax
12 24 (27.59%) Computer Science
12 24 (27.59%) Git (software)
13 23 (26.44%) RESTful
13 23 (26.44%) Front End Development
14 22 (25.29%) Web Development
14 22 (25.29%) C#
14 22 (25.29%) Web Services
15 21 (24.14%) SQL Server
15 21 (24.14%) CSS3
16 20 (22.99%) Agile Software Development
17 19 (21.84%) E-Commerce
18 18 (20.69%) Degree
19 17 (19.54%) REST
20 16 (18.39%) .NET
20 16 (18.39%) MySQL
20 16 (18.39%) Oracle

JSON
Co-occurring IT Skills in Hertfordshire by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 12 (13.79%) JBoss
2 8 (9.20%) Tomcat
3 5 (5.75%) Apache
3 5 (5.75%) SharePoint
4 3 (3.45%) BizTalk Server
4 3 (3.45%) IIS
5 1 (1.15%) LiveLink
Applications
1 1 (1.15%) Microsoft Project
Business Applications
1 6 (6.90%) Oracle EBS
2 4 (4.60%) Dynamics CRM
Cloud Services
1 13 (14.94%) Amazon AWS
2 9 (10.34%) Microsoft Azure
3 8 (9.20%) SaaS
Communications & Networking
1 13 (14.94%) HTTP
Database & Business Intelligence
1 21 (24.14%) SQL Server
2 16 (18.39%) MySQL
3 13 (14.94%) NoSQL
4 5 (5.75%) Crystal Reports
5 3 (3.45%) Oracle Database
5 3 (3.45%) SQL Server Reporting Services
6 2 (2.30%) JasperReports
6 2 (2.30%) Oracle Reports
6 2 (2.30%) SQL Server 2008
6 2 (2.30%) SQL Server 2012
7 1 (1.15%) MongoDB
Development Applications
1 24 (27.59%) Git (software)
2 10 (11.49%) Visual Studio
3 7 (8.05%) JUnit
3 7 (8.05%) Subversion
4 6 (6.90%) Oracle Forms
5 5 (5.75%) JIRA
6 4 (4.60%) Cucumber
6 4 (4.60%) LabVIEW
6 4 (4.60%) NUnit
6 4 (4.60%) SpecFlow
7 3 (3.45%) Eclipse
8 1 (1.15%) Jenkins
8 1 (1.15%) Mockito
8 1 (1.15%) Robolectric
8 1 (1.15%) Team Foundation Server
General
1 25 (28.74%) Retail
2 16 (18.39%) Finance
3 10 (11.49%) Telecoms
4 6 (6.90%) Manufacturing
5 4 (4.60%) Games
6 1 (1.15%) Advertising
Job Titles
1 75 (86.21%) Developer
2 22 (25.29%) Front End Developer (Client-Side Developer)
3 20 (22.99%) JavaScript Developer
4 14 (16.09%) Java Developer
5 13 (14.94%) Web Developer
6 12 (13.79%) Senior Developer
6 12 (13.79%) Software Developer
7 10 (11.49%) Front End Web Developer (Client-Side Developer)
8 8 (9.20%) Angular Developer
8 8 (9.20%) Senior Software Developer
9 7 (8.05%) Full Stack Developer
10 6 (6.90%) Analyst
10 6 (6.90%) Development Analyst
10 6 (6.90%) Development Support Analyst
10 6 (6.90%) Senior Development Analyst
10 6 (6.90%) Senior Support Analyst
10 6 (6.90%) Software Analyst
10 6 (6.90%) Software Development Analyst
10 6 (6.90%) Software Support Analyst
10 6 (6.90%) Support Analyst
Libraries, Frameworks & Software Standards
1 65 (74.71%) CSS
1 65 (74.71%) HTML
2 46 (52.87%) XML
3 38 (43.68%) AngularJS
4 37 (42.53%) HTML5
5 36 (41.38%) jQuery
6 32 (36.78%) Node.js
7 26 (29.89%) React
8 24 (27.59%) Ajax
9 23 (26.44%) RESTful
10 22 (25.29%) Web Services
11 21 (24.14%) CSS3
12 17 (19.54%) REST
13 16 (18.39%) .NET
13 16 (18.39%) Spring
14 12 (13.79%) Backbone.js
14 12 (13.79%) Twitter Bootstrap
15 11 (12.64%) ASP.NET
16 9 (10.34%) SOAP
16 9 (10.34%) Struts
Miscellaneous
1 24 (27.59%) Computer Science
2 12 (13.79%) Algorithms
2 12 (13.79%) Data Structures
3 6 (6.90%) User Experience
4 4 (4.60%) BBC
5 2 (2.30%) Replication
6 1 (1.15%) Greenfield Project
6 1 (1.15%) iPad
6 1 (1.15%) Smartphone
Operating Systems
1 4 (4.60%) Windows
2 3 (3.45%) Linux
3 1 (1.15%) Apple iOS
3 1 (1.15%) Unix
Processes & Methodologies
1 40 (45.98%) OO
2 23 (26.44%) Front End Development
3 22 (25.29%) Web Development
4 20 (22.99%) Agile Software Development
5 19 (21.84%) E-Commerce
6 16 (18.39%) Software Engineering
7 15 (17.24%) MVVM
8 12 (13.79%) Complexity Analysis
8 12 (13.79%) Load Testing
8 12 (13.79%) OOD
8 12 (13.79%) Test Automation
9 11 (12.64%) TDD
10 10 (11.49%) CRM
10 10 (11.49%) Multithreading
11 9 (10.34%) Data Visualisation
11 9 (10.34%) Visualisation
12 8 (9.20%) Scrum
13 7 (8.05%) Kanban
13 7 (8.05%) MVC
13 7 (8.05%) Technical Architecture
Programming Languages
1 62 (71.26%) JavaScript
2 28 (32.18%) Java
3 25 (28.74%) SQL
4 22 (25.29%) C#
5 10 (11.49%) C++
5 10 (11.49%) PHP
6 9 (10.34%) VB.NET
7 7 (8.05%) Python
8 4 (4.60%) T-SQL
9 2 (2.30%) C
9 2 (2.30%) VB
9 2 (2.30%) VB6
10 1 (1.15%) Apple Swift
10 1 (1.15%) Objective-C
10 1 (1.15%) Ruby
10 1 (1.15%) XAML
Qualifications
1 18 (20.69%) Degree
2 6 (6.90%) PhD
3 4 (4.60%) Computer Science Degree
4 3 (3.45%) SC Cleared
4 3 (3.45%) Security Cleared
Quality Assurance & Compliance
1 3 (3.45%) QA
2 2 (2.30%) ISO 13485
Vendors
1 16 (18.39%) Oracle
2 5 (5.75%) Microsoft
3 4 (4.60%) Virgin Media
4 3 (3.45%) Xamarin
5 1 (1.15%) Facebook
5 1 (1.15%) Google
5 1 (1.15%) SAP
Watford, Hertfordshire
Premier IT
Salary: £48000 - £55000 per annum
Posted: Yesterday
Watford, Hertfordshire
Evolution Recruitment Solutions
Salary: 40,000 - 50,000
Posted: Yesterday
Watford, Hertfordshire
Evolution Recruitment Solutions
Salary: 60,000 - 80,000
Posted: Yesterday
Hatfield, Hertfordshire
Understanding Recruitment
Salary: £50000.00 - £60000.00 per annum
Posted: 5 days ago
Watford, Hertfordshire
Service Care Solutions Recruitment
Salary: From £45,000 to £55,000 per annum
Posted: 5 days ago
Hemel Hempstead
Bluetown Online LTD
Salary: £50000 per annum
Posted: 19 days ago