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 March 2017 with a comparison to the same period in the previous 2 years.

3 months to
24 Mar 2017
Same period 2016 Same period 2015
JSON
East of England / Hertfordshire
Rank 107 112 90
Rank change year-on-year +5 -22  
Permanent jobs citing JSON 36 44 68
As % of all permanent IT jobs advertised in Hertfordshire 1.64% 1.71% 2.94%
As % of the Libraries, Frameworks & Software Standards category 4.33% 5.89% 7.80%
Number of salaries quoted 34 31 59
Median salary £45,000 £47,500 £45,000
Median salary % change year-on-year -5.26% +5.55%  
90% offered a salary of more than £35,000 £40,000 £34,000
10% offered a salary of more than £71,000 £57,500 £50,000
UK excluding London median salary £42,500 £45,000 £40,000
% change year-on-year -5.55% +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 831 747 872
As % of all permanent IT job vacancies advertised in Hertfordshire 37.79% 29.04% 37.70%
Number of salaries quoted 712 608 716
Median salary £47,500 £47,500 £46,500
Median salary % change year-on-year - +2.15%  
90% offered a salary of more than £33,500 £35,000 £32,500
10% offered a salary of more than £65,000 £65,000 £65,000
UK excluding London median salary £40,000 £42,500 £40,000
% change year-on-year -5.88% +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 March 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 March 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 -1 11 £40,000 - 1
Hatfield +11 5 £65,000 +36.84%
Borehamwood - 5 £40,000 - 1
Stevenage +3 4 £55,000 +65.41%
Hemel Hempstead - 3 £30,000 -
Cheshunt - 3 £40,000 -
Welwyn - 2 £65,000 -
JSON
East of England

JSON
Top 30 Related IT Skills in Hertfordshire

For the 6 months to 24 March 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 58 (73.42%) JavaScript
2 54 (68.35%) HTML
3 52 (65.82%) CSS
4 44 (55.70%) Java
5 43 (54.43%) XML
6 37 (46.84%) OO
6 37 (46.84%) Ajax
7 34 (43.04%) AngularJS
8 31 (39.24%) SQL
9 30 (37.97%) Agile Software Development
10 29 (36.71%) C#
11 28 (35.44%) TDD
12 27 (34.18%) REST
13 26 (32.91%) HTML5
14 24 (30.38%) Web Services
15 23 (29.11%) Spring
15 23 (29.11%) Web Development
16 22 (27.85%) Node.js
16 22 (27.85%) Front End Development
17 21 (26.58%) Computer Science
17 21 (26.58%) SOAP
18 20 (25.32%) jQuery
18 20 (25.32%) Git (software)
19 18 (22.78%) Degree
19 18 (22.78%) Software Engineering
19 18 (22.78%) SQL Server
20 17 (21.52%) Finance
20 17 (21.52%) Linux
20 17 (21.52%) RESTful
20 17 (21.52%) Visualisation

JSON
Top Related 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 10 (12.66%) WebSphere
2 9 (11.39%) JBoss
2 9 (11.39%) Tomcat
3 7 (8.86%) Apache
4 6 (7.59%) WebLogic
5 5 (6.33%) CMS
5 5 (6.33%) IIS
6 4 (5.06%) Adobe Experience Manager
6 4 (5.06%) MQSeries
6 4 (5.06%) SharePoint
7 3 (3.80%) BizTalk Server
8 1 (1.27%) NServiceBus
8 1 (1.27%) Sitecore CMS
Applications
1 5 (6.33%) MS Excel
2 1 (1.27%) MS Project
Business Applications
1 4 (5.06%) Dynamics CRM
1 4 (5.06%) Magento
2 2 (2.53%) Remedy ITSM
Cloud Services
1 3 (3.80%) Microsoft Azure
2 1 (1.27%) Amazon AWS
2 1 (1.27%) GitHub
2 1 (1.27%) SaaS
Communications & Networking
1 5 (6.33%) HTTP
1 5 (6.33%) Wireshark
2 4 (5.06%) Internet
3 2 (2.53%) AMQP
4 1 (1.27%) SNMP
4 1 (1.27%) TCP/IP
Database & Business Intelligence
1 18 (22.78%) SQL Server
2 15 (18.99%) MySQL
3 11 (13.92%) NoSQL
4 6 (7.59%) RDBMS
4 6 (7.59%) Relational Database
5 4 (5.06%) Jackrabbit
5 4 (5.06%) MongoDB
6 3 (3.80%) Crystal Reports
6 3 (3.80%) SQL Server Reporting Services
7 2 (2.53%) Oracle Database
7 2 (2.53%) SQL Server 2012
8 1 (1.27%) Apache Cassandra
8 1 (1.27%) JasperReports
8 1 (1.27%) Oracle Reports
8 1 (1.27%) RavenDB
8 1 (1.27%) SQLite
Development Applications
1 20 (25.32%) Git (software)
2 13 (16.46%) Subversion
3 11 (13.92%) JUnit
4 8 (10.13%) Jenkins
5 7 (8.86%) Eclipse
5 7 (8.86%) Visual Studio
6 6 (7.59%) JIRA
6 6 (7.59%) NUnit
6 6 (7.59%) TeamCity
7 5 (6.33%) Atlassian Bamboo
7 5 (6.33%) Fiddler
7 5 (6.33%) Maven
7 5 (6.33%) Mockito
8 4 (5.06%) Log4j
8 4 (5.06%) Talend Open Studio
9 2 (2.53%) Cucumber
10 1 (1.27%) Selenium
10 1 (1.27%) SpecFlow
10 1 (1.27%) Team Foundation Server
10 1 (1.27%) Xcode
General
1 17 (21.52%) Finance
2 13 (16.46%) Telecoms
3 9 (11.39%) Retail
4 2 (2.53%) Front Office
5 1 (1.27%) Advertising
5 1 (1.27%) Electronics
5 1 (1.27%) Games
Job Titles
1 64 (81.01%) Developer
2 18 (22.78%) Java Developer
3 13 (16.46%) Front End Developer (Client-Side Developer)
4 12 (15.19%) JavaScript Developer
5 10 (12.66%) Agile Developer
5 10 (12.66%) Web Developer
6 9 (11.39%) .NET Developer
6 9 (11.39%) Agile Java Developer
7 8 (10.13%) Front End Web Developer (Client-Side Developer)
8 7 (8.86%) Angular Developer
9 6 (7.59%) Analyst
9 6 (7.59%) Lead Developer
9 6 (7.59%) Senior Developer
9 6 (7.59%) Software Developer
9 6 (7.59%) Systems Analyst
10 4 (5.06%) J2EE Developer
10 4 (5.06%) Java/J2EE Developer
10 4 (5.06%) PHP Developer
10 4 (5.06%) Programmer
10 4 (5.06%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 54 (68.35%) HTML
2 52 (65.82%) CSS
3 43 (54.43%) XML
4 37 (46.84%) Ajax
5 34 (43.04%) AngularJS
6 27 (34.18%) REST
7 26 (32.91%) HTML5
8 24 (30.38%) Web Services
9 23 (29.11%) Spring
10 22 (27.85%) Node.js
11 21 (26.58%) SOAP
12 20 (25.32%) jQuery
13 17 (21.52%) RESTful
14 15 (18.99%) .NET
15 13 (16.46%) CSS3
15 13 (16.46%) ZeroMQ
16 12 (15.19%) ASP.NET
17 11 (13.92%) React
17 11 (13.92%) Spring Boot
18 8 (10.13%) ASP.NET Web API
Miscellaneous
1 21 (26.58%) Computer Science
2 7 (8.86%) Algorithms
2 7 (8.86%) Data Structures
3 3 (3.80%) User Experience
4 2 (2.53%) Analytical Skills
4 2 (2.53%) Client/Server
4 2 (2.53%) Mobile App
4 2 (2.53%) Replication
4 2 (2.53%) Smartphone
5 1 (1.27%) BBC
5 1 (1.27%) Social Media
Operating Systems
1 17 (21.52%) Linux
2 10 (12.66%) Unix
3 4 (5.06%) HPUX
3 4 (5.06%) Solaris
3 4 (5.06%) Windows
4 3 (3.80%) Apple iOS
5 2 (2.53%) Android
Processes & Methodologies
1 37 (46.84%) OO
2 30 (37.97%) Agile Software Development
3 28 (35.44%) TDD
4 23 (29.11%) Web Development
5 22 (27.85%) Front End Development
6 18 (22.78%) Software Engineering
7 17 (21.52%) Data Visualisation
7 17 (21.52%) Visualisation
8 15 (18.99%) E-Commerce
8 15 (18.99%) Scrum
9 13 (16.46%) OOD
9 13 (16.46%) Physics
10 9 (11.39%) Microservices
10 9 (11.39%) MVC
11 8 (10.13%) BDD
11 8 (10.13%) Continuous Integration
11 8 (10.13%) SOA
11 8 (10.13%) UML
12 7 (8.86%) Kanban
12 7 (8.86%) Load Testing
Programming Languages
1 58 (73.42%) JavaScript
2 44 (55.70%) Java
3 31 (39.24%) SQL
4 29 (36.71%) C#
5 16 (20.25%) C++
6 8 (10.13%) PHP
6 8 (10.13%) PowerShell
7 7 (8.86%) T-SQL
7 7 (8.86%) VB.NET
8 6 (7.59%) Shell Script
9 4 (5.06%) TypeScript
10 3 (3.80%) Apple Swift
10 3 (3.80%) Objective-C
10 3 (3.80%) Ruby
11 2 (2.53%) Python
11 2 (2.53%) VB
11 2 (2.53%) XQuery
12 1 (1.27%) C
12 1 (1.27%) Embedded C
12 1 (1.27%) XAML
Qualifications
1 18 (22.78%) Degree
2 13 (16.46%) PhD
3 2 (2.53%) SC Cleared
3 2 (2.53%) Security Cleared
4 1 (1.27%) HND
Quality Assurance & Compliance
1 7 (8.86%) QA
2 2 (2.53%) ISO13485
3 1 (1.27%) SDET
System Software
1 2 (2.53%) Docker
Vendors
1 13 (16.46%) Microsoft
2 8 (10.13%) Oracle
3 6 (7.59%) Blue Martini
3 6 (7.59%) IBM
4 4 (5.06%) ATG
4 4 (5.06%) Talend
5 2 (2.53%) BMC
5 2 (2.53%) Facebook
5 2 (2.53%) Google
5 2 (2.53%) Remedy
5 2 (2.53%) SAP
5 2 (2.53%) Sybase
6 1 (1.27%) Apple
6 1 (1.27%) Sitecore
6 1 (1.27%) Virgin Media
6 1 (1.27%) Xamarin
St. Albans, Hertfordshire
Client Server
Salary: £35k to £45k + bonus + benefits
Posted: 3 days ago
Hertfordshire
Premier IT
Salary: £50000 - £55000 per annum + Tax free company car, bonus, and more!
Posted: 5 days ago
Borehamwood, Hertfordshire
IT Connections
Salary: £35,000 to £45,000 + 20% Bonus
Posted: 6 days ago
Waltham Cross, Hertfordshire
Latcom Ltd
Salary: From £40,000 to £40,000 per annum + Good Benefits
Posted: 6 days ago
Watford
Nigel Frank International
Salary: £60000 - £80000 per annum + Benefits
Posted: 17 days ago
Hitchin
Recruitment Genius Ltd
Salary: £40000 - £65000 per annum
Posted: 15 days ago