Period
to 23 October 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 23 October 2018 with a comparison to the same period in the previous 2 years.

JSON
East of England > Hertfordshire
6 months to
23 Oct 2018
Same period 2017 Same period 2016
Rank 121 88 168
Rank change year-on-year -33 +80 -11
Permanent jobs citing JSON 83 140 49
As % of all permanent IT jobs advertised in Hertfordshire 2.07% 3.29% 1.12%
As % of the Libraries, Frameworks & Software Standards category 5.59% 7.75% 3.31%
Number of salaries quoted 71 126 41
Hertfordshire median annual salary £45,000 £45,000 £47,500
Median salary % change year-on-year - -5.26% +5.56%
10th Percentile £23,500 £33,000 £36,250
90th Percentile £72,500 £57,500 £62,500
East of England median annual salary £50,000 £45,000 £47,500
% change year-on-year +11.11% -5.26% +18.75%

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 1,485 1,806 1,481
As % of all permanent IT jobs advertised in Hertfordshire 37.09% 42.46% 33.84%
Number of salaries quoted 1,267 1,571 1,321
Hertfordshire median annual salary £50,000 £50,000 £47,500
Median salary % change year-on-year - +5.26% +5.56%
10th Percentile £30,000 £31,250 £30,000
90th Percentile £73,750 £70,000 £70,000
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 23 October 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 23 October 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 +6 28 £60,000 +20.00% 2
Welwyn Garden City -16 11 £70,000 +86.67% 1
Stevenage 0 9 £40,000 +6.67% 1
Waltham Cross - 7 £45,000 - 2
Borehamwood -12 2 - -
Potters Bar - 2 £45,000 -
Baldock - 2 £33,750 -
Radlett +4 1 £42,500 -
Hemel Hempstead +1 1 £52,500 +5.00% 1
Hatfield -20 1 £55,000 -
Hitchin - 1 £40,000 -
Kings Langley - 1 £29,000 -
JSON
East of England

For the 6 months to 23 October 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 51 (61.45%) C#
2 42 (50.60%) XML
3 38 (45.78%) SQL
4 37 (44.58%) .NET
4 37 (44.58%) SQL Server
5 35 (42.17%) JavaScript
5 35 (42.17%) HTML
6 33 (39.76%) Problem-Solving
7 28 (33.73%) Web Services
8 26 (31.33%) MVC
9 25 (30.12%) Agile Software Development
10 24 (28.92%) C++
10 24 (28.92%) Mobile App
11 23 (27.71%) ASP.NET
11 23 (27.71%) OO
12 22 (26.51%) T-SQL
13 21 (25.30%) ETL
13 21 (25.30%) REST
14 19 (22.89%) Android Development
14 19 (22.89%) Android
14 19 (22.89%) HTML5
14 19 (22.89%) MySQL
14 19 (22.89%) CSS
15 18 (21.69%) Analytical Skills
16 17 (20.48%) Data Migration
16 17 (20.48%) Java
16 17 (20.48%) Migration
16 17 (20.48%) CMS
16 17 (20.48%) Subversion
17 16 (19.28%) Content Management

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 17 (20.48%) CMS
2 13 (15.66%) Sitecore CMS
3 8 (9.64%) SharePoint
4 4 (4.82%) Drupal
4 4 (4.82%) Umbraco
5 3 (3.61%) OpenStack
6 2 (2.41%) JBoss
6 2 (2.41%) Tomcat
7 1 (1.20%) Elasticsearch
7 1 (1.20%) Oracle Service Bus
7 1 (1.20%) Oracle SOA Suite
Applications
1 2 (2.41%) Chatbot
1 2 (2.41%) Microsoft Excel
Business Applications
1 9 (10.84%) Dynamics CRM
2 8 (9.64%) Dynamics NAV
3 2 (2.41%) SAP Hybris
Cloud Services
1 9 (10.84%) Microsoft Azure
2 8 (9.64%) Amazon AWS
3 6 (7.23%) SaaS
4 4 (4.82%) IaaS
4 4 (4.82%) PaaS
5 1 (1.20%) Azure Data Factory
5 1 (1.20%) Dynamics 365
5 1 (1.20%) Google Cloud Platform
5 1 (1.20%) OpenShift
Communications & Networking
1 14 (16.87%) TCP/IP
2 13 (15.66%) HTTP
3 7 (8.43%) VSAN
4 3 (3.61%) 802.11
4 3 (3.61%) DVB
4 3 (3.61%) Internet
4 3 (3.61%) RTP
5 2 (2.41%) SMS
Database & Business Intelligence
1 37 (44.58%) SQL Server
2 19 (22.89%) MySQL
3 15 (18.07%) PostgreSQL
4 10 (12.05%) Relational Database
5 9 (10.84%) MongoDB
5 9 (10.84%) SQL Server 2016
5 9 (10.84%) SQL Server Integration Services
5 9 (10.84%) SQL Server Reporting Services
6 4 (4.82%) Big Data
7 2 (2.41%) Oracle Database
7 2 (2.41%) SQL Server 2008
8 1 (1.20%) Azure SQL Database
Development Applications
1 17 (20.48%) Subversion
2 13 (15.66%) JIRA
3 11 (13.25%) CocoaPods
4 9 (10.84%) Crashlytics
5 6 (7.23%) Visual Studio
6 5 (6.02%) Xcode
7 4 (4.82%) Git (software)
7 4 (4.82%) NUnit
7 4 (4.82%) TeamCity
8 3 (3.61%) Redmine
8 3 (3.61%) Selenium
8 3 (3.61%) Team Foundation Server
9 2 (2.41%) Eclipse
9 2 (2.41%) Jenkins
9 2 (2.41%) JUnit
General
1 11 (13.25%) Finance
2 10 (12.05%) Legal
3 7 (8.43%) Telecoms
4 5 (6.02%) Retail
5 3 (3.61%) Multimedia
6 2 (2.41%) Marketing
7 1 (1.20%) Pharmaceutical
Job Titles
1 61 (73.49%) Developer
2 22 (26.51%) Applications Developer
3 13 (15.66%) Architect
3 13 (15.66%) Mobile Applications Developer
3 13 (15.66%) Mobile Developer
3 13 (15.66%) SQL Developer
4 11 (13.25%) Oracle Developer
5 10 (12.05%) Android Developer
5 10 (12.05%) C# Developer
5 10 (12.05%) iOS Developer
5 10 (12.05%) Lead Developer
6 9 (10.84%) Data Migration Developer
6 9 (10.84%) ETL Developer
6 9 (10.84%) iOS Android Developer
6 9 (10.84%) Lead Android Developer
6 9 (10.84%) Lead iOS Developer
6 9 (10.84%) Oracle ETL Developer
6 9 (10.84%) PostgreSQL Developer
6 9 (10.84%) SQL Server Developer
7 7 (8.43%) Software Engineer
Libraries, Frameworks & Software Standards
1 42 (50.60%) XML
2 37 (44.58%) .NET
3 35 (42.17%) HTML
4 28 (33.73%) Web Services
5 23 (27.71%) ASP.NET
6 21 (25.30%) REST
7 19 (22.89%) CSS
7 19 (22.89%) HTML5
8 14 (16.87%) Core Data
9 12 (14.46%) RESTful
9 12 (14.46%) WCF
10 10 (12.05%) jQuery
11 9 (10.84%) Apache Flex
11 9 (10.84%) KnockoutJS
12 8 (9.64%) CSS3
12 8 (9.64%) WPF
13 7 (8.43%) XSD
14 6 (7.23%) SOAP
15 5 (6.02%) AngularJS
16 4 (4.82%) Apache Cordova
Miscellaneous
1 24 (28.92%) Mobile App
2 18 (21.69%) Analytical Skills
3 15 (18.07%) Reference Data
4 12 (14.46%) User Experience
5 9 (10.84%) Social Media
6 7 (8.43%) Computer Science
6 7 (8.43%) Data Centre
6 7 (8.43%) Hybrid Cloud
7 5 (6.02%) Greenfield Project
7 5 (6.02%) Private Cloud
8 3 (3.61%) MPEG
8 3 (3.61%) Video\Live Streaming
9 2 (2.41%) Robotics
10 1 (1.20%) Self-Motivation
Operating Systems
1 19 (22.89%) Android
2 15 (18.07%) Apple iOS
3 9 (10.84%) Unix
4 8 (9.64%) Windows
5 5 (6.02%) Linux
Processes & Methodologies
1 33 (39.76%) Problem-Solving
2 26 (31.33%) MVC
3 25 (30.12%) Agile Software Development
4 23 (27.71%) OO
5 21 (25.30%) ETL
6 19 (22.89%) Android Development
7 17 (20.48%) Data Migration
7 17 (20.48%) Migration
8 16 (19.28%) Content Management
9 15 (18.07%) iOS Development
10 14 (16.87%) TDD
11 13 (15.66%) CRM
12 12 (14.46%) Software Engineering
13 11 (13.25%) BDD
14 10 (12.05%) Continuous Deployment
14 10 (12.05%) E-Commerce
14 10 (12.05%) Test Automation
15 9 (10.84%) Data Mapping
15 9 (10.84%) Enterprise Content Management
15 9 (10.84%) Scaled Agile Framework
Programming Languages
1 51 (61.45%) C#
2 38 (45.78%) SQL
3 35 (42.17%) JavaScript
4 24 (28.92%) C++
5 22 (26.51%) T-SQL
6 17 (20.48%) Java
7 15 (18.07%) Kotlin
8 13 (15.66%) PHP
9 11 (13.25%) Apple Swift
10 10 (12.05%) Python
11 9 (10.84%) PL/SQL
11 9 (10.84%) PowerShell
11 9 (10.84%) TypeScript
12 8 (9.64%) Pascal
12 8 (9.64%) VB
12 8 (9.64%) VB.NET
12 8 (9.64%) VBScript
13 7 (8.43%) C
14 6 (7.23%) Ruby
14 6 (7.23%) VBA
Qualifications
1 15 (18.07%) SC Cleared
1 15 (18.07%) Security Cleared
2 9 (10.84%) Degree
3 5 (6.02%) Computer Science Degree
4 2 (2.41%) HND
4 2 (2.41%) Numerate Degree
5 1 (1.20%) ISTQB
Quality Assurance & Compliance
1 15 (18.07%) Data Quality
2 1 (1.20%) QA
System Software
1 7 (8.43%) Docker
1 7 (8.43%) VMware NSX
2 6 (7.23%) Hyper-V
3 4 (4.82%) VMware Infrastructure
4 3 (3.61%) VirtualBox
4 3 (3.61%) VMware ESXi
Systems Management
1 7 (8.43%) Kubernetes
1 7 (8.43%) SCOrch
1 7 (8.43%) SCVMM
1 7 (8.43%) vRealize
Vendors
1 14 (16.87%) Oracle
1 14 (16.87%) VMware
2 13 (15.66%) Sitecore
3 10 (12.05%) Xamarin
4 9 (10.84%) Talend
5 8 (9.64%) Microsoft
6 7 (8.43%) Cisco
6 7 (8.43%) EMC
6 7 (8.43%) IBM
7 6 (7.23%) SAP
8 2 (2.41%) hybris
8 2 (2.41%) IFS
9 1 (1.20%) Google