Period
to 20 August 2018

The following table provides summary statistics for permanent job vacancies advertised in Hertfordshire with a requirement for React skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited React over the 6 months to 20 August 2018 with a comparison to the same period in the previous 2 years.

React.js
East of England > Hertfordshire
6 months to
20 Aug 2018
Same period 2017 Same period 2016
Rank 83 127 176
Rank change year-on-year +44 +49 -
Permanent jobs citing React 142 83 33
As % of all permanent IT jobs advertised in Hertfordshire 3.33% 2.03% 0.73%
As % of the Libraries, Frameworks & Software Standards category 8.61% 5.16% 2.32%
Number of salaries quoted 125 79 32
Hertfordshire median annual salary £50,000 £45,000 £53,750
Median salary % change year-on-year +11.11% -16.28% -
10th Percentile £30,000 £30,000 £38,750
90th Percentile £67,500 £73,750 £68,750
East of England median annual salary £47,500 £45,000 £50,500
% change year-on-year +5.56% -10.89% +18.82%

React 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 1,649 1,610 1,420
As % of all permanent IT jobs advertised in Hertfordshire 38.68% 39.33% 31.40%
Number of salaries quoted 1,421 1,405 1,244
Hertfordshire median annual salary £52,500 £48,500 £47,500
Median salary % change year-on-year +8.25% +2.11% +5.56%
10th Percentile £30,000 £32,000 £29,750
90th Percentile £73,750 £70,000 £71,250
East of England median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +5.88%

React
Job Vacancy Trend in Hertfordshire

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

Job vacancy trend for React in Hertfordshire

React
Salary Trend in Hertfordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing React in Hertfordshire.

Salary trend for React in Hertfordshire

React
Salary Histogram in Hertfordshire

The salary distribution of IT jobs citing React in Hertfordshire over the 6 months to 20 August 2018.

Salary histogram for React in Hertfordshire

React
Job Locations in Hertfordshire

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing React within the Hertfordshire region over the 6 months to 20 August 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
St Albans +16 41 £55,000 +10.00%
Harpenden - 17 £45,000 -
Watford +11 16 £55,000 +37.50% 2
Hemel Hempstead +21 13 £46,250 -36.21% 1
Hatfield -9 12 £57,500 +4.55% 3
Welwyn Garden City -32 6 - -
Stevenage -5 5 £40,000 -11.11%
Potters Bar - 4 £65,000 - 2
Kings Langley +4 1 £92,500 +164.29% 1
Rickmansworth - 1 £52,500 - 1
React
East of England

For the 6 months to 20 August 2018, IT jobs citing React 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 React.

1 120 (84.51%) JavaScript
2 118 (83.10%) AngularJS
3 84 (59.15%) HTML
4 81 (57.04%) CSS
5 79 (55.63%) Agile Software Development
6 69 (48.59%) Front End Development
7 60 (42.25%) HTML5
8 58 (40.85%) Git (software)
9 48 (33.80%) C#
10 45 (31.69%) .NET
11 42 (29.58%) Node.js
12 40 (28.17%) SQL
12 40 (28.17%) E-Commerce
13 39 (27.46%) Java
13 39 (27.46%) jQuery
14 38 (26.76%) Amazon AWS
15 36 (25.35%) CSS3
16 35 (24.65%) Software Engineering
16 35 (24.65%) MVC
17 31 (21.83%) Sass
18 30 (21.13%) ASP.NET
19 29 (20.42%) Web Development
19 29 (20.42%) .NET Framework
19 29 (20.42%) gulp
20 26 (18.31%) TDD
20 26 (18.31%) Vue.js
21 24 (16.90%) ES6
21 24 (16.90%) Robotics
22 23 (16.20%) Karma Test Runner
22 23 (16.20%) Continuous Improvement

React
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 10 (7.04%) Elasticsearch
2 7 (4.93%) Tomcat
2 7 (4.93%) WebSphere
3 5 (3.52%) Apache
3 5 (3.52%) JBoss
3 5 (3.52%) WebLogic
4 3 (2.11%) nginx
5 2 (1.41%) Adobe Experience Manager
5 2 (1.41%) Apache Solr
5 2 (1.41%) CoreMedia CMS
5 2 (1.41%) WebSphere Application Server
6 1 (0.70%) Confluence
6 1 (0.70%) SharePoint
Applications
1 5 (3.52%) Photoshop
2 3 (2.11%) GIMP
Business Applications
1 3 (2.11%) SAP Hybris
2 2 (1.41%) Fredhopper
2 2 (1.41%) Magento
Cloud Services
1 38 (26.76%) Amazon AWS
2 17 (11.97%) npm
3 8 (5.63%) SaaS
4 6 (4.23%) Akamai
4 6 (4.23%) Runscope
5 5 (3.52%) Amazon EC2
5 5 (3.52%) AWS Lambda
5 5 (3.52%) Serverless
6 3 (2.11%) Google Cloud Platform
7 2 (1.41%) Microsoft Azure
Communications & Networking
1 17 (11.97%) HTTP
2 4 (2.82%) Internet
3 2 (1.41%) Broadband
3 2 (1.41%) DNS
3 2 (1.41%) TCP/IP
3 2 (1.41%) VPN
4 1 (0.70%) Network Security
Database & Business Intelligence
1 16 (11.27%) SQL Server
2 9 (6.34%) Endeca
3 6 (4.23%) MongoDB
4 5 (3.52%) Amazon DynamoDB
5 2 (1.41%) Apache Cassandra
5 2 (1.41%) Big Data
5 2 (1.41%) Relational Database
6 1 (0.70%) MySQL
6 1 (0.70%) Oracle Database
Development Applications
1 58 (40.85%) Git (software)
2 29 (20.42%) gulp
3 23 (16.20%) Karma Test Runner
4 19 (13.38%) Jasmine
5 18 (12.68%) webpack
6 16 (11.27%) Jenkins
7 8 (5.63%) Cucumber
8 7 (4.93%) Subversion
9 6 (4.23%) Grunt
9 6 (4.23%) JUnit
9 6 (4.23%) Mockito
10 5 (3.52%) Bower
10 5 (3.52%) Gradle
10 5 (3.52%) JIRA
10 5 (3.52%) Mercurial
11 4 (2.82%) JBehave
11 4 (2.82%) WebDriver
12 3 (2.11%) SpecFlow
12 3 (2.11%) Team Foundation Server
13 2 (1.41%) Selenium
General
1 20 (14.08%) Finance
2 9 (6.34%) Retail
3 3 (2.11%) Games
4 2 (1.41%) Telecoms
5 1 (0.70%) Advertising
5 1 (0.70%) Marketing
Job Titles
1 121 (85.21%) Developer
2 66 (46.48%) Front End Developer (Client-Side Developer)
3 45 (31.69%) JavaScript Developer
4 37 (26.06%) .NET Developer
5 34 (23.94%) Software Engineer
6 26 (18.31%) C# Developer
7 25 (17.61%) C# .NET Developer
8 22 (15.49%) React Developer
9 20 (14.08%) Angular Developer
10 18 (12.68%) Developer/Software Engineer
11 17 (11.97%) HTML CSS Developer
11 17 (11.97%) HTML Developer
11 17 (11.97%) Web Developer
12 16 (11.27%) .NET Software Engineer
12 16 (11.27%) JavaScript Engineer
13 14 (9.86%) C# Software Engineer
13 14 (9.86%) Cloud Developer
13 14 (9.86%) Junior
13 14 (9.86%) Senior Developer
14 13 (9.15%) SQL Developer
Libraries, Frameworks & Software Standards
1 118 (83.10%) AngularJS
2 84 (59.15%) HTML
3 81 (57.04%) CSS
4 60 (42.25%) HTML5
5 45 (31.69%) .NET
6 42 (29.58%) Node.js
7 39 (27.46%) jQuery
8 36 (25.35%) CSS3
9 31 (21.83%) Sass
10 30 (21.13%) ASP.NET
11 29 (20.42%) .NET Framework
12 26 (18.31%) Vue.js
13 23 (16.20%) Redux
14 21 (14.79%) React Native
15 19 (13.38%) RESTful
15 19 (13.38%) Semantic HTML
16 18 (12.68%) Ember.js
17 17 (11.97%) Handlebars
17 17 (11.97%) Meteor
18 16 (11.27%) Web Services
Miscellaneous
1 24 (16.90%) Robotics
2 20 (14.08%) Mobile App
3 17 (11.97%) Media Streaming
4 16 (11.27%) User Experience
5 7 (4.93%) Computer Science
6 6 (4.23%) Greenfield Project
7 3 (2.11%) Fintech
8 2 (1.41%) Client/Server
8 2 (1.41%) Enterprise Software
8 2 (1.41%) Self-Motivation
8 2 (1.41%) W3C
Operating Systems
1 8 (5.63%) Linux
2 4 (2.82%) Android
3 2 (1.41%) Unix
4 1 (0.70%) Apple iOS
Processes & Methodologies
1 79 (55.63%) Agile Software Development
2 69 (48.59%) Front End Development
3 40 (28.17%) E-Commerce
4 35 (24.65%) MVC
4 35 (24.65%) Software Engineering
5 29 (20.42%) Web Development
6 26 (18.31%) TDD
7 23 (16.20%) Continuous Improvement
8 22 (15.49%) Artificial Intelligence
9 19 (13.38%) Problem-Solving
10 18 (12.68%) SDLC
11 17 (11.97%) Due Diligence
11 17 (11.97%) Performance Management
11 17 (11.97%) Test Automation
11 17 (11.97%) Validation
12 13 (9.15%) Continuous Integration
13 10 (7.04%) OOP
14 9 (6.34%) OO
15 8 (5.63%) DevOps
16 7 (4.93%) BDD
Programming Languages
1 120 (84.51%) JavaScript
2 48 (33.80%) C#
3 40 (28.17%) SQL
4 39 (27.46%) Java
5 24 (16.90%) ES6
6 21 (14.79%) TypeScript
7 9 (6.34%) PHP
8 8 (5.63%) Java 8
9 6 (4.23%) C
9 6 (4.23%) C++
9 6 (4.23%) Fortran
9 6 (4.23%) Pascal
9 6 (4.23%) Ruby
10 3 (2.11%) PowerShell
11 2 (1.41%) Haskell
11 2 (1.41%) Scala
Qualifications
1 7 (4.93%) Computer Science Degree
1 7 (4.93%) Degree
2 2 (1.41%) Master's Degree
Quality Assurance & Compliance
1 7 (4.93%) QA
2 3 (2.11%) PCI DSS
System Software
1 5 (3.52%) Docker
Systems Management
1 10 (7.04%) Opscode Chef
2 4 (2.82%) Terraform
3 3 (2.11%) Kubernetes
4 2 (1.41%) HAProxy
5 1 (0.70%) Ansible
Vendors
1 13 (9.15%) Xamarin
2 9 (6.34%) Oracle
3 6 (4.23%) ATG
3 6 (4.23%) Splunk
4 5 (3.52%) hybris
5 3 (2.11%) F5
5 3 (2.11%) Google
5 3 (2.11%) Percona
5 3 (2.11%) SAP
5 3 (2.11%) Twitter
6 2 (1.41%) Adobe
6 2 (1.41%) Blue Martini
6 2 (1.41%) Demandware
6 2 (1.41%) Elastic Path
6 2 (1.41%) IBM
7 1 (0.70%) BroadVision
7 1 (0.70%) Microsoft