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

JSON
East of England > Hertfordshire
6 months to
22 Apr 2018
Same period 2017 Same period 2016
Rank 134 137 146
Rank change year-on-year +3 +9 -28
Permanent jobs citing JSON 91 80 83
As % of all permanent IT jobs advertised in Hertfordshire 1.84% 1.81% 1.66%
As % of the Libraries, Frameworks & Software Standards category 4.72% 4.62% 5.37%
Number of salaries quoted 55 86 62
Hertfordshire median annual salary £45,000 £45,000 £50,000
Median salary % change year-on-year - -10.00% +11.11%
10th Percentile £31,250 £32,500 £37,500
90th Percentile £69,500 £69,375 £58,750
East of England median annual salary £46,250 £45,000 £47,500
% change year-on-year +2.78% -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 1,930 1,732 1,547
As % of all permanent IT jobs advertised in Hertfordshire 39.05% 39.21% 30.93%
Number of salaries quoted 1,676 1,497 1,303
Hertfordshire median annual salary £52,500 £47,500 £47,500
Median salary % change year-on-year +10.53% - +5.56%
10th Percentile £32,000 £31,250 £28,100
90th Percentile £72,500 £70,000 £70,000
East of England median annual salary £50,000 £45,000 £43,500
% change year-on-year +11.11% +3.45% +2.35%

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 April 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 April 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 0 34 £43,250 +8.13% 2
Stevenage +15 10 £26,000 -42.22% 1
St Albans +8 9 £47,500 -7.32%
Cheshunt +7 9 £45,000 +12.50%
Borehamwood +5 9 £45,000 +28.57%
Welwyn Garden City -31 5 £70,000 - 1
Hatfield -26 4 £50,000 -16.67%
Hemel Hempstead -15 1 £60,000 +100.00% 2
Rickmansworth - 1 - -
Tring - 1 - -
JSON
East of England

For the 6 months to 22 April 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 58 (63.74%) XML
2 50 (54.95%) Java
3 49 (53.85%) Web Services
4 48 (52.75%) HTML
5 38 (41.76%) OO
6 35 (38.46%) SQL
7 31 (34.07%) Agile Software Development
8 30 (32.97%) MVC
9 29 (31.87%) MySQL
9 29 (31.87%) SOAP
9 29 (31.87%) CSS
10 28 (30.77%) REST
11 25 (27.47%) Amazon AWS
11 25 (27.47%) JavaScript
11 25 (27.47%) TDD
12 24 (26.37%) Apache
12 24 (26.37%) Spring
13 23 (25.27%) Unix
14 22 (24.18%) C#
15 21 (23.08%) J2EE
15 21 (23.08%) Test Automation
16 20 (21.98%) Jenkins
16 20 (21.98%) Linux
17 19 (20.88%) .NET
17 19 (20.88%) EJB
17 19 (20.88%) HTML5
18 18 (19.78%) Computer Science
18 18 (19.78%) JBoss
18 18 (19.78%) JMS
18 18 (19.78%) SOA

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 24 (26.37%) Apache
2 18 (19.78%) JBoss
3 17 (18.68%) Tomcat
4 12 (13.19%) CMS
5 9 (9.89%) Adobe Experience Manager
5 9 (9.89%) WebSphere
5 9 (9.89%) WebSphere Application Server
6 7 (7.69%) MQSeries
7 6 (6.59%) Drupal
7 6 (6.59%) Mule
7 6 (6.59%) Mule ESB
8 5 (5.49%) Oracle Application Server
8 5 (5.49%) Sitecore CMS
9 4 (4.40%) CloudStack
9 4 (4.40%) Oracle SOA Suite
10 3 (3.30%) OpenStack
11 2 (2.20%) Apache Solr
11 2 (2.20%) CoreMedia CMS
Applications
1 9 (9.89%) Chatbot
Business Applications
1 9 (9.89%) Magento
2 3 (3.30%) Oracle EBS
3 2 (2.20%) Fredhopper
3 2 (2.20%) SAP Hybris
4 1 (1.10%) Remedy ITSM
Cloud Services
1 25 (27.47%) Amazon AWS
2 16 (17.58%) Microsoft Azure
3 9 (9.89%) AWS Lambda
3 9 (9.89%) Serverless
4 8 (8.79%) SaaS
5 6 (6.59%) Google Cloud Platform
6 5 (5.49%) Boomi
7 4 (4.40%) Amazon EC2
7 4 (4.40%) AWS CloudFormation
7 4 (4.40%) Trello
7 4 (4.40%) Virtual Private Cloud
8 3 (3.30%) IaaS
8 3 (3.30%) PaaS
Communications & Networking
1 9 (9.89%) SMS
2 7 (7.69%) Internet
3 5 (5.49%) HTTP
4 4 (4.40%) Kerberos
4 4 (4.40%) VSAN
5 1 (1.10%) FTP
5 1 (1.10%) SSL
Database & Business Intelligence
1 29 (31.87%) MySQL
2 15 (16.48%) Relational Database
3 11 (12.09%) SQL Server
4 9 (9.89%) Crystal Reports
5 8 (8.79%) MongoDB
6 7 (7.69%) DB2
6 7 (7.69%) Jackrabbit
6 7 (7.69%) NoSQL
6 7 (7.69%) RDBMS
7 4 (4.40%) Oracle Database
8 3 (3.30%) SQL Server 2014
8 3 (3.30%) SQL Server Integration Services
9 2 (2.20%) Endeca
10 1 (1.10%) MarkLogic
10 1 (1.10%) PostgreSQL
Development Applications
1 20 (21.98%) Jenkins
2 13 (14.29%) Subversion
3 12 (13.19%) Git (software)
3 12 (13.19%) Selenium
4 11 (12.09%) Eclipse
4 11 (12.09%) JUnit
5 8 (8.79%) Cucumber
5 8 (8.79%) JIRA
6 7 (7.69%) Ant
6 7 (7.69%) Log4j
6 7 (7.69%) Mockito
6 7 (7.69%) WebSphere Studio Application Developer
7 6 (6.59%) SoapUI
8 5 (5.49%) CocoaPods
8 5 (5.49%) Crashlytics
9 4 (4.40%) VersionOne
10 3 (3.30%) Maven
10 3 (3.30%) Oracle Forms
10 3 (3.30%) Team Foundation Server
10 3 (3.30%) Visual Studio
General
1 18 (19.78%) Finance
2 11 (12.09%) Marketing
3 8 (8.79%) Legal
4 6 (6.59%) Retail
5 3 (3.30%) Manufacturing
6 2 (2.20%) Automotive
6 2 (2.20%) Games
6 2 (2.20%) Publishing
7 1 (1.10%) Multimedia
7 1 (1.10%) Telecoms
Job Titles
1 70 (76.92%) Developer
2 30 (32.97%) Java Developer
3 16 (17.58%) Applications Developer
4 15 (16.48%) iOS Developer
5 10 (10.99%) Software Developer
6 8 (8.79%) Architect
7 7 (7.69%) Digital Developer
7 7 (7.69%) Lead Developer
7 7 (7.69%) SQL Developer
8 6 (6.59%) Android Developer
8 6 (6.59%) Mobile Applications Developer
8 6 (6.59%) Senior Developer
9 5 (5.49%) iOS Android Developer
9 5 (5.49%) Java WebSphere Developer
9 5 (5.49%) Junior
9 5 (5.49%) Junior Developer
9 5 (5.49%) Lead Android Developer
9 5 (5.49%) Lead iOS Developer
9 5 (5.49%) Mobile Developer
9 5 (5.49%) WebSphere Developer
Libraries, Frameworks & Software Standards
1 58 (63.74%) XML
2 49 (53.85%) Web Services
3 48 (52.75%) HTML
4 29 (31.87%) CSS
4 29 (31.87%) SOAP
5 28 (30.77%) REST
6 24 (26.37%) Spring
7 21 (23.08%) J2EE
8 19 (20.88%) .NET
8 19 (20.88%) EJB
8 19 (20.88%) HTML5
9 18 (19.78%) JMS
10 17 (18.68%) XSLT
11 16 (17.58%) JSP
11 16 (17.58%) Struts
12 15 (16.48%) CSS3
12 15 (16.48%) Java EE
12 15 (16.48%) XSD
13 14 (15.38%) Core Data
13 14 (15.38%) XHTML
Miscellaneous
1 18 (19.78%) Computer Science
2 17 (18.68%) Analytical Skills
3 15 (16.48%) User Experience
4 10 (10.99%) Algorithms
5 8 (8.79%) Hybrid Cloud
5 8 (8.79%) Private Cloud
5 8 (8.79%) Robotics
6 6 (6.59%) Self-Motivation
7 5 (5.49%) Mobile App
7 5 (5.49%) Social Media
8 4 (4.40%) Data Centre
8 4 (4.40%) Public Cloud
9 3 (3.30%) Enterprise Software
10 2 (2.20%) Client/Server
10 2 (2.20%) Mainframe
11 1 (1.10%) Virtual Team
Operating Systems
1 23 (25.27%) Unix
2 20 (21.98%) Linux
3 15 (16.48%) Apple iOS
4 10 (10.99%) HPUX
4 10 (10.99%) Solaris
5 7 (7.69%) Windows
6 6 (6.59%) Android
Processes & Methodologies
1 38 (41.76%) OO
2 31 (34.07%) Agile Software Development
3 30 (32.97%) MVC
4 25 (27.47%) TDD
5 21 (23.08%) Test Automation
6 18 (19.78%) SOA
7 17 (18.68%) Problem-Solving
8 15 (16.48%) iOS Development
9 14 (15.38%) Continuous Deployment
10 13 (14.29%) DevOps
11 12 (13.19%) CRM
11 12 (13.19%) E-Commerce
11 12 (13.19%) OOP
11 12 (13.19%) SDLC
12 11 (12.09%) OOD
13 10 (10.99%) Concurrent Programming
13 10 (10.99%) Dependency Injection
13 10 (10.99%) Domain Models
13 10 (10.99%) Memory Management
13 10 (10.99%) SOLID
Programming Languages
1 50 (54.95%) Java
2 35 (38.46%) SQL
3 25 (27.47%) JavaScript
4 22 (24.18%) C#
5 16 (17.58%) PHP
6 15 (16.48%) Apple Swift
6 15 (16.48%) PowerShell
7 12 (13.19%) Ruby
8 11 (12.09%) Bash Shell
8 11 (12.09%) Perl
8 11 (12.09%) VB.NET
9 8 (8.79%) Python
10 6 (6.59%) Kotlin
10 6 (6.59%) XPath
10 6 (6.59%) XQuery
11 2 (2.20%) VB
11 2 (2.20%) VB6
12 1 (1.10%) PL/SQL
12 1 (1.10%) Shell Script
12 1 (1.10%) T-SQL
Qualifications
1 10 (10.99%) Degree
1 10 (10.99%) Security Cleared
2 9 (9.89%) SC Cleared
3 8 (8.79%) HND
4 4 (4.40%) Computer Science Degree
4 4 (4.40%) Numerate Degree
Quality Assurance & Compliance
1 6 (6.59%) GCP
2 3 (3.30%) SLA
3 2 (2.20%) QA
4 1 (1.10%) RosettaNet
System Software
1 8 (8.79%) Docker
2 4 (4.40%) VMware NSX
3 3 (3.30%) Hyper-V
3 3 (3.30%) VMware ESXi
Systems Management
1 10 (10.99%) Opscode Chef
1 10 (10.99%) Puppet
2 9 (9.89%) Single Sign-On
3 6 (6.59%) Ansible
3 6 (6.59%) Terraform
4 4 (4.40%) CA Service Virtualization
4 4 (4.40%) Kubernetes
4 4 (4.40%) SCOrch
4 4 (4.40%) SCVMM
4 4 (4.40%) vRealize
Vendors
1 18 (19.78%) IBM
2 15 (16.48%) Oracle
3 10 (10.99%) Microsoft
4 9 (9.89%) Blue Martini
4 9 (9.89%) Demandware
4 9 (9.89%) Elastic Path
4 9 (9.89%) hybris
5 7 (7.69%) ATG
6 6 (6.59%) Google
6 6 (6.59%) Talend
6 6 (6.59%) WSO2
7 5 (5.49%) Dell
7 5 (5.49%) MuleSoft
7 5 (5.49%) Sitecore
7 5 (5.49%) TIBCO
7 5 (5.49%) webMethods
8 4 (4.40%) CA
8 4 (4.40%) Cisco
8 4 (4.40%) EMC
8 4 (4.40%) VMware