Period
to 22 July 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 22 July 2018 with a comparison to the same period in the previous 2 years.

JSON
East of England > Hertfordshire
6 months to
22 Jul 2018
Same period 2017 Same period 2016
Rank 135 120 149
Rank change year-on-year -15 +29 -14
Permanent jobs citing JSON 87 105 71
As % of all permanent IT jobs advertised in Hertfordshire 1.93% 2.43% 1.48%
As % of the Libraries, Frameworks & Software Standards category 4.96% 6.28% 4.83%
Number of salaries quoted 54 102 57
Hertfordshire median annual salary £41,250 £45,000 £47,500
Median salary % change year-on-year -8.33% -5.26% +5.56%
10th Percentile £26,000 £32,500 £36,250
90th Percentile £71,750 £67,500 £60,250
East of England median annual salary £45,000 £45,000 £47,500
% change year-on-year - -5.26% +5.56%

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 1,753 1,671 1,470
As % of all permanent IT jobs advertised in Hertfordshire 38.93% 38.65% 30.68%
Number of salaries quoted 1,517 1,444 1,243
Hertfordshire median annual salary £52,500 £50,000 £47,500
Median salary % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £31,250 £32,000 £29,800
90th Percentile £72,500 £70,000 £71,100
East of England median annual salary £47,500 £45,000 £45,000
% 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 22 July 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 22 July 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
Watford +20 40 £36,500 -18.89% 3
Stevenage -5 13 £26,000 -29.73%
Welwyn Garden City - 7 £68,750 - 2
Hatfield -28 4 £55,000 -
Waltham Cross - 3 £45,000 -
Borehamwood -2 2 - - 1
Potters Bar - 2 £45,000 -
Baldock - 2 £33,750 -
Hemel Hempstead +4 1 £52,500 +50.00% 2
Hitchin - 1 £40,000 -
Radlett - 1 £42,500 -
Tring - 1 - -
JSON
East of England

For the 6 months to 22 July 2018, IT jobs citing JSON also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads across the Hertfordshire region with a requirement for JSON.

1 47 (54.02%) HTML
2 44 (50.57%) XML
3 40 (45.98%) Web Services
4 37 (42.53%) Java
5 36 (41.38%) JavaScript
6 32 (36.78%) OO
7 30 (34.48%) SQL
8 28 (32.18%) Agile Software Development
8 28 (32.18%) HTML5
9 27 (31.03%) C#
10 26 (29.89%) .NET
10 26 (29.89%) Unix
10 26 (29.89%) MVC
11 25 (28.74%) MySQL
12 24 (27.59%) Linux
12 24 (27.59%) REST
13 22 (25.29%) IBM
14 21 (24.14%) ASP.NET
14 21 (24.14%) CSS
14 21 (24.14%) Computer Science
14 21 (24.14%) PowerShell
15 20 (22.99%) SOAP
16 19 (21.84%) Relational Database
17 18 (20.69%) CMS
17 18 (20.69%) Microsoft Azure
17 18 (20.69%) Amazon AWS
18 17 (19.54%) Content Management
18 17 (19.54%) Finance
18 17 (19.54%) Problem-Solving
19 15 (17.24%) J2EE

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 18 (20.69%) CMS
2 9 (10.34%) Adobe Experience Manager
2 9 (10.34%) Apache
2 9 (10.34%) WebSphere
2 9 (10.34%) WebSphere Application Server
3 7 (8.05%) MQSeries
3 7 (8.05%) Sitecore CMS
4 6 (6.90%) Mule
4 6 (6.90%) Mule ESB
4 6 (6.90%) OpenStack
5 5 (5.75%) Oracle Application Server
5 5 (5.75%) Oracle SOA Suite
6 4 (4.60%) CloudStack
6 4 (4.60%) Tomcat
7 2 (2.30%) Apache Solr
7 2 (2.30%) CoreMedia CMS
7 2 (2.30%) JBoss
8 1 (1.15%) Oracle Service Bus
Applications
1 11 (12.64%) Chatbot
2 2 (2.30%) Microsoft Excel
Business Applications
1 9 (10.34%) Magento
2 4 (4.60%) SAP Hybris
3 2 (2.30%) Fredhopper
Cloud Services
1 18 (20.69%) Amazon AWS
1 18 (20.69%) Microsoft Azure
2 11 (12.64%) SaaS
3 7 (8.05%) IaaS
3 7 (8.05%) PaaS
4 6 (6.90%) Google Cloud Platform
5 5 (5.75%) Boomi
6 4 (4.60%) Amazon EC2
6 4 (4.60%) AWS CloudFormation
6 4 (4.60%) Trello
6 4 (4.60%) Virtual Private Cloud
Communications & Networking
1 11 (12.64%) HTTP
1 11 (12.64%) SMS
2 10 (11.49%) TCP/IP
3 8 (9.20%) VSAN
4 7 (8.05%) Internet
5 4 (4.60%) Kerberos
6 3 (3.45%) 802.11
6 3 (3.45%) DVB
6 3 (3.45%) RTP
Database & Business Intelligence
1 25 (28.74%) MySQL
2 19 (21.84%) Relational Database
3 14 (16.09%) SQL Server
4 10 (11.49%) MongoDB
5 7 (8.05%) DB2
5 7 (8.05%) Jackrabbit
5 7 (8.05%) RDBMS
6 6 (6.90%) NoSQL
7 3 (3.45%) SQL Server 2014
7 3 (3.45%) SQL Server Integration Services
8 2 (2.30%) Endeca
8 2 (2.30%) Oracle Database
8 2 (2.30%) SQL Server 2008
9 1 (1.15%) Big Data
Development Applications
1 15 (17.24%) Subversion
2 12 (13.79%) Jenkins
2 12 (13.79%) JIRA
3 10 (11.49%) Git (software)
4 9 (10.34%) CocoaPods
4 9 (10.34%) Eclipse
4 9 (10.34%) JUnit
5 7 (8.05%) Ant
5 7 (8.05%) Crashlytics
5 7 (8.05%) Log4j
5 7 (8.05%) Mockito
5 7 (8.05%) WebSphere Studio Application Developer
6 6 (6.90%) SoapUI
7 4 (4.60%) NUnit
7 4 (4.60%) Selenium
7 4 (4.60%) TeamCity
7 4 (4.60%) VersionOne
8 3 (3.45%) Redmine
8 3 (3.45%) Team Foundation Server
8 3 (3.45%) Visual Studio
General
1 17 (19.54%) Finance
2 14 (16.09%) Legal
3 6 (6.90%) Retail
4 5 (5.75%) Marketing
5 4 (4.60%) Multimedia
5 4 (4.60%) Telecoms
6 2 (2.30%) Games
7 1 (1.15%) Pharmaceutical
Job Titles
1 59 (67.82%) Developer
2 17 (19.54%) Java Developer
3 11 (12.64%) Architect
3 11 (12.64%) Lead Developer
4 10 (11.49%) Junior
4 10 (11.49%) Junior Developer
4 10 (11.49%) Software Developer
5 9 (10.34%) Android Developer
6 8 (9.20%) Applications Developer
6 8 (9.20%) Infrastructure Architect
6 8 (9.20%) iOS Developer
6 8 (9.20%) Lead Architect
6 8 (9.20%) Lead Infrastructure Architect
7 7 (8.05%) iOS Android Developer
7 7 (8.05%) Lead Android Developer
7 7 (8.05%) Lead iOS Developer
7 7 (8.05%) Mobile Applications Developer
7 7 (8.05%) Mobile Developer
7 7 (8.05%) SQL Developer
8 6 (6.90%) Software Engineer
Libraries, Frameworks & Software Standards
1 47 (54.02%) HTML
2 44 (50.57%) XML
3 40 (45.98%) Web Services
4 28 (32.18%) HTML5
5 26 (29.89%) .NET
6 24 (27.59%) REST
7 21 (24.14%) ASP.NET
7 21 (24.14%) CSS
8 20 (22.99%) SOAP
9 15 (17.24%) CSS3
9 15 (17.24%) J2EE
10 14 (16.09%) Ajax
10 14 (16.09%) JSP
11 13 (14.94%) WCF
11 13 (14.94%) XSD
12 12 (13.79%) Struts
13 10 (11.49%) Spring
14 9 (10.34%) JDBC
14 9 (10.34%) Servlets
14 9 (10.34%) XSLT
Miscellaneous
1 21 (24.14%) Computer Science
2 12 (13.79%) Analytical Skills
2 12 (13.79%) Hybrid Cloud
3 10 (11.49%) Robotics
4 9 (10.34%) Private Cloud
4 9 (10.34%) User Experience
5 8 (9.20%) Data Centre
5 8 (9.20%) Mobile App
6 7 (8.05%) Self-Motivation
6 7 (8.05%) Social Media
7 4 (4.60%) Public Cloud
8 3 (3.45%) Greenfield Project
8 3 (3.45%) MPEG
8 3 (3.45%) Video\Live Streaming
9 2 (2.30%) Client/Server
9 2 (2.30%) Enterprise Software
9 2 (2.30%) Mainframe
Operating Systems
1 26 (29.89%) Unix
2 24 (27.59%) Linux
3 14 (16.09%) Android
4 9 (10.34%) Apple iOS
4 9 (10.34%) HPUX
4 9 (10.34%) Solaris
5 8 (9.20%) Windows
Processes & Methodologies
1 32 (36.78%) OO
2 28 (32.18%) Agile Software Development
3 26 (29.89%) MVC
4 17 (19.54%) Content Management
4 17 (19.54%) Problem-Solving
5 14 (16.09%) Android Development
6 13 (14.94%) E-Commerce
6 13 (14.94%) TDD
7 11 (12.64%) DevOps
7 11 (12.64%) Software Engineering
8 10 (11.49%) Continuous Integration
8 10 (11.49%) Extreme Programming
8 10 (11.49%) Open Source
8 10 (11.49%) Software Delivery
9 9 (10.34%) iOS Development
9 9 (10.34%) Project Management
9 9 (10.34%) SOA
10 8 (9.20%) Test Automation
11 7 (8.05%) Enterprise Content Management
11 7 (8.05%) Information Architecture
Programming Languages
1 37 (42.53%) Java
2 36 (41.38%) JavaScript
3 30 (34.48%) SQL
4 27 (31.03%) C#
5 21 (24.14%) PowerShell
6 15 (17.24%) Python
7 14 (16.09%) Kotlin
7 14 (16.09%) Ruby
8 11 (12.64%) Bash Shell
8 11 (12.64%) Perl
9 9 (10.34%) Apple Swift
10 8 (9.20%) VB.NET
11 6 (6.90%) C++
11 6 (6.90%) PHP
12 4 (4.60%) XPath
12 4 (4.60%) XQuery
13 3 (3.45%) C
13 3 (3.45%) Shell Script
13 3 (3.45%) TypeScript
14 2 (2.30%) T-SQL
Qualifications
1 15 (17.24%) Degree
2 10 (11.49%) HND
3 5 (5.75%) Computer Science Degree
4 2 (2.30%) Numerate Degree
Quality Assurance & Compliance
1 6 (6.90%) GCP
2 3 (3.45%) SLA
System Software
1 12 (13.79%) Docker
2 8 (9.20%) VMware NSX
3 6 (6.90%) Hyper-V
3 6 (6.90%) VMware ESXi
Systems Management
1 10 (11.49%) Opscode Chef
1 10 (11.49%) Puppet
2 8 (9.20%) Kubernetes
2 8 (9.20%) SCOrch
2 8 (9.20%) SCVMM
2 8 (9.20%) vRealize
3 6 (6.90%) Ansible
3 6 (6.90%) Terraform
4 4 (4.60%) CA Service Virtualization
Vendors
1 22 (25.29%) IBM
2 14 (16.09%) Microsoft
3 11 (12.64%) hybris
3 11 (12.64%) VMware
4 9 (10.34%) Blue Martini
4 9 (10.34%) Demandware
4 9 (10.34%) Elastic Path
5 8 (9.20%) Cisco
5 8 (9.20%) EMC
5 8 (9.20%) Oracle
6 7 (8.05%) ATG
6 7 (8.05%) Sitecore
7 6 (6.90%) Google
7 6 (6.90%) WSO2
8 5 (5.75%) Dell
8 5 (5.75%) MuleSoft
8 5 (5.75%) SAP
8 5 (5.75%) Talend
8 5 (5.75%) TIBCO
8 5 (5.75%) webMethods