Period
to 19 January 2018

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 6 months to 19 January 2018 with a comparison to the same period in the previous 2 years.

JSON
East of England > Hertfordshire
6 months to
19 Jan 2018
Same period 2017 Same period 2016
Rank 102 164 137
Rank change year-on-year +62 -27 +14
Permanent jobs citing JSON 124 52 97
As % of all permanent IT jobs advertised in Hertfordshire 2.77% 1.18% 1.91%
As % of the Libraries, Frameworks & Software Standards category 6.79% 3.10% 5.62%
Number of salaries quoted 101 52 92
Hertfordshire median annual salary £45,000 £45,000 £45,000
10th Percentile £33,750 £32,500 £32,750
90th Percentile £65,000 £62,500 £58,750
East of England median annual salary £45,000 £45,000 £45,000

JSON is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Hertfordshire with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
Hertfordshire
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 1,826 1,678 1,726
As % of all permanent IT jobs advertised in Hertfordshire 40.77% 38.20% 34.02%
Number of salaries quoted 1,609 1,480 1,516
Hertfordshire median annual salary £50,000 £50,000 £46,000
Median salary % change year-on-year - +8.70% -1.08%
10th Percentile £31,250 £30,000 £28,750
90th Percentile £71,250 £70,000 £69,375
East of England median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% -

JSON
Job Vacancy Trend in Hertfordshire

Job postings citing JSON as a percentage of all IT jobs advertised in Hertfordshire.

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 6 months to 19 January 2018.

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 6 months to 19 January 2018. 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
Job
Vacancies
Borehamwood +8 23 £36,500 +4.29%
Stevenage +24 19 £37,500 +7.14% 1
Hatfield +5 14 £52,500 +16.67% 1
Watford -11 12 £47,500 +35.71% 3
St Albans +7 10 £47,500 -20.83%
Hemel Hempstead -1 10 £60,000 -2.04%
Cheshunt - 9 £45,000 -
Welwyn Garden City -5 5 £37,500 -46.43% 2
Rickmansworth - 5 £52,500 -
Radlett - 3 £42,500 -
JSON
East of England

For the 6 months to 19 January 2018, 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 87 (70.16%) HTML
2 84 (67.74%) XML
3 74 (59.68%) CSS
4 64 (51.61%) Java
5 62 (50.00%) Web Services
6 47 (37.90%) SQL
6 47 (37.90%) Agile Software Development
7 42 (33.87%) JavaScript
8 40 (32.26%) Spring
9 39 (31.45%) SQL Server
9 39 (31.45%) OO
10 38 (30.65%) Tomcat
11 35 (28.23%) MySQL
12 34 (27.42%) .NET
13 33 (26.61%) JBoss
13 33 (26.61%) XSLT
13 33 (26.61%) MVC
14 32 (25.81%) Oracle
15 31 (25.00%) C#
15 31 (25.00%) REST
16 29 (23.39%) HTML5
16 29 (23.39%) Amazon AWS
17 28 (22.58%) SOA
18 27 (21.77%) TDD
19 26 (20.97%) Test Automation
19 26 (20.97%) Apache
19 26 (20.97%) SOAP
19 26 (20.97%) AngularJS
20 25 (20.16%) Struts
20 25 (20.16%) XHTML

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 38 (30.65%) Tomcat
2 33 (26.61%) JBoss
3 26 (20.97%) Apache
4 14 (11.29%) Drupal
5 13 (10.48%) CMS
6 8 (6.45%) Umbraco
7 5 (4.03%) IIS
8 3 (2.42%) Adobe Experience Manager
8 3 (2.42%) MQSeries
8 3 (2.42%) WebSphere
8 3 (2.42%) WebSphere Application Server
9 2 (1.61%) Sitecore CMS
10 1 (0.81%) Skype for Business
Business Applications
1 13 (10.48%) Oracle EBS
2 6 (4.84%) Remedy ITSM
3 4 (3.23%) SAP SRM
4 2 (1.61%) Magento
Cloud Services
1 29 (23.39%) Amazon AWS
2 17 (13.71%) Microsoft Azure
3 10 (8.06%) AWS Lambda
3 10 (8.06%) Serverless
4 5 (4.03%) Adobe Creative Cloud
4 5 (4.03%) Google Play
5 2 (1.61%) SaaS
Communications & Networking
1 21 (16.94%) HTTP
2 8 (6.45%) Internet
3 7 (5.65%) FTP
4 6 (4.84%) SSL
5 3 (2.42%) TCP/IP
Database & Business Intelligence
1 39 (31.45%) SQL Server
2 35 (28.23%) MySQL
3 10 (8.06%) Crystal Reports
4 9 (7.26%) Oracle Database
5 5 (4.03%) MarkLogic
5 5 (4.03%) MongoDB
5 5 (4.03%) NoSQL
5 5 (4.03%) Sybase ASE
6 3 (2.42%) DB2
6 3 (2.42%) Jackrabbit
6 3 (2.42%) RDBMS
6 3 (2.42%) Relational Database
6 3 (2.42%) SQL Server 2012
7 2 (1.61%) SQL Server 2008
8 1 (0.81%) Big Data
8 1 (0.81%) Hadoop
8 1 (0.81%) Oracle Database 11g
8 1 (0.81%) Oracle Reports
8 1 (0.81%) PostgreSQL
8 1 (0.81%) SQL Server Reporting Services
Development Applications
1 23 (18.55%) Jenkins
2 18 (14.52%) Selenium
3 17 (13.71%) Git (software)
4 15 (12.10%) Cucumber
5 13 (10.48%) Oracle Forms
6 12 (9.68%) JUnit
7 11 (8.87%) Eclipse
7 11 (8.87%) Subversion
8 3 (2.42%) Ant
8 3 (2.42%) Log4j
8 3 (2.42%) Mockito
8 3 (2.42%) WebSphere Studio Application Developer
9 2 (1.61%) CocoaPods
9 2 (1.61%) Crashlytics
9 2 (1.61%) Team Foundation Server
10 1 (0.81%) Fiddler
10 1 (0.81%) Maven
10 1 (0.81%) TeamCity
10 1 (0.81%) Visual Studio
10 1 (0.81%) VSS/SourceSafe
General
1 24 (19.35%) Retail
2 18 (14.52%) Finance
3 16 (12.90%) Marketing
4 13 (10.48%) Manufacturing
5 3 (2.42%) Automotive
5 3 (2.42%) Publishing
6 1 (0.81%) Games
Job Titles
1 98 (79.03%) Developer
2 30 (24.19%) Java Developer
3 19 (15.32%) Senior Developer
4 18 (14.52%) Analyst
4 18 (14.52%) Applications Developer
5 13 (10.48%) Development Analyst
5 13 (10.48%) Development Support Analyst
5 13 (10.48%) iOS Developer
5 13 (10.48%) Senior Analyst
5 13 (10.48%) Senior Development Analyst
5 13 (10.48%) Senior Support Analyst
5 13 (10.48%) Software Analyst
5 13 (10.48%) Software Development Analyst
5 13 (10.48%) Software Support Analyst
5 13 (10.48%) Support Analyst
6 12 (9.68%) Digital Developer
7 11 (8.87%) SQL Developer
8 10 (8.06%) .NET Developer
9 9 (7.26%) Oracle Developer
9 9 (7.26%) Web Developer
Libraries, Frameworks & Software Standards
1 87 (70.16%) HTML
2 84 (67.74%) XML
3 74 (59.68%) CSS
4 62 (50.00%) Web Services
5 40 (32.26%) Spring
6 34 (27.42%) .NET
7 33 (26.61%) XSLT
8 31 (25.00%) REST
9 29 (23.39%) HTML5
10 26 (20.97%) AngularJS
10 26 (20.97%) SOAP
11 25 (20.16%) Struts
11 25 (20.16%) XHTML
12 24 (19.35%) Hibernate
12 24 (19.35%) Twitter Bootstrap
13 21 (16.94%) CSS3
13 21 (16.94%) J2EE
14 17 (13.71%) Java EE
15 16 (12.90%) ASP.NET
16 14 (11.29%) Spring MVC
Miscellaneous
1 23 (18.55%) Analytical Skills
2 17 (13.71%) User Experience
3 11 (8.87%) Algorithms
4 8 (6.45%) Mobile App
5 7 (5.65%) Computer Science
6 5 (4.03%) Enterprise Software
6 5 (4.03%) Virtual Team
7 3 (2.42%) Mobile Payment
8 2 (1.61%) Social Media
9 1 (0.81%) PMI
Operating Systems
1 19 (15.32%) Unix
2 15 (12.10%) Apple iOS
3 12 (9.68%) Windows
4 9 (7.26%) Android
5 6 (4.84%) Linux
6 4 (3.23%) HPUX
6 4 (3.23%) Solaris
Processes & Methodologies
1 47 (37.90%) Agile Software Development
2 39 (31.45%) OO
3 33 (26.61%) MVC
4 28 (22.58%) SOA
5 27 (21.77%) TDD
6 26 (20.97%) Test Automation
7 23 (18.55%) CRM
8 19 (15.32%) Unit Testing
9 16 (12.90%) Multithreading
9 16 (12.90%) OOD
9 16 (12.90%) SDLC
10 14 (11.29%) iOS Development
11 13 (10.48%) DevOps
11 13 (10.48%) Regression Testing
11 13 (10.48%) Stress Testing
12 12 (9.68%) Continuous Deployment
12 12 (9.68%) Web Development
13 11 (8.87%) Dependency Injection
13 11 (8.87%) Domain Models
13 11 (8.87%) Memory Management
Programming Languages
1 64 (51.61%) Java
2 47 (37.90%) SQL
3 42 (33.87%) JavaScript
4 31 (25.00%) C#
5 23 (18.55%) PHP
6 16 (12.90%) VB.NET
7 14 (11.29%) T-SQL
8 13 (10.48%) Apple Swift
9 12 (9.68%) XQuery
10 11 (8.87%) XPath
11 8 (6.45%) VB
11 8 (6.45%) VB6
12 7 (5.65%) PL/SQL
12 7 (5.65%) Shell Script
13 5 (4.03%) SPARQL
14 4 (3.23%) PowerShell
15 3 (2.42%) Bash Shell
15 3 (2.42%) Perl
15 3 (2.42%) TypeScript
16 2 (1.61%) Kotlin
Qualifications
1 14 (11.29%) Security Cleared
2 9 (7.26%) SC Cleared
3 7 (5.65%) Degree
4 4 (3.23%) Computer Science Degree
4 4 (3.23%) Numerate Degree
5 2 (1.61%) HND
6 1 (0.81%) ITIL Certification
6 1 (0.81%) MBA
6 1 (0.81%) PMI Certification
6 1 (0.81%) PMP
Quality Assurance & Compliance
1 8 (6.45%) QA
2 7 (5.65%) RosettaNet
System Software
1 1 (0.81%) Active Directory
Systems Management
1 1 (0.81%) WMI
Vendors
1 32 (25.81%) Oracle
2 7 (5.65%) SAP
3 6 (4.84%) Remedy
4 5 (4.03%) Adobe
4 5 (4.03%) Google
4 5 (4.03%) Microsoft
4 5 (4.03%) Sybase
4 5 (4.03%) Talend
5 3 (2.42%) ATG
5 3 (2.42%) Blue Martini
5 3 (2.42%) Elastic Path
5 3 (2.42%) IBM
6 2 (1.61%) Demandware
6 2 (1.61%) hybris
6 2 (1.61%) Sitecore
7 1 (0.81%) Interwoven