Period
to 16 December 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 16 December 2018 with a comparison to the same period in the previous 2 years.

React.js
East of England > Hertfordshire
6 months to
16 Dec 2018
Same period 2017 Same period 2016
Rank 89 118 195
Rank change year-on-year +29 +77 +38
Permanent jobs citing React 115 104 23
As % of all permanent IT jobs advertised in Hertfordshire 3.00% 2.36% 0.51%
As % of the Libraries, Frameworks & Software Standards category 8.33% 5.59% 1.38%
Number of salaries quoted 108 96 22
Hertfordshire median annual salary £57,500 £50,000 £55,000
Median salary % change year-on-year +15.00% -9.09% +46.67%
10th Percentile £33,750 £30,000 £43,750
90th Percentile £70,000 £67,500 £63,750
East of England median annual salary £50,000 £50,000 £50,500
% change year-on-year - -0.99% +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 1,380 1,861 1,667
As % of all permanent IT jobs advertised in Hertfordshire 36.06% 42.19% 37.18%
Number of salaries quoted 1,163 1,629 1,476
Hertfordshire median annual salary £51,000 £50,000 £50,000
Median salary % change year-on-year +2.00% - +11.11%
10th Percentile £30,100 £31,250 £29,625
90th Percentile £72,500 £71,250 £70,000
East of England median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +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 16 December 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 16 December 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 -9 26 £55,000 -4.35% 12
St Albans +6 25 £57,500 +15.00% 7
Welwyn Garden City -16 9 £55,000 -26.67% 1
Harpenden +12 6 £45,000 -
Stevenage +13 5 £25,000 -48.72% 1
Kings Langley +1 5 £37,500 -
Welwyn - 5 £63,000 -
Potters Bar - 4 £65,000 -
Hemel Hempstead +21 2 £53,750 +4.88% 1
Rickmansworth +5 2 £66,750 +11.25%
Hitchin +11 1 £55,000 +46.67%
Hatfield -7 1 £67,500 +22.73% 1
Berkhamsted - 1 £67,500 -
React
East of England

For the 6 months to 16 December 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 96 (83.48%) AngularJS
2 95 (82.61%) JavaScript
3 80 (69.57%) HTML
4 76 (66.09%) Agile Software Development
5 71 (61.74%) CSS
6 49 (42.61%) Node.js
7 43 (37.39%) Front End Development
8 41 (35.65%) TDD
9 40 (34.78%) C#
10 39 (33.91%) Java
10 39 (33.91%) Git (software)
11 35 (30.43%) jQuery
12 32 (27.83%) User Experience
13 31 (26.96%) Sass
13 31 (26.96%) Web Development
13 31 (26.96%) .NET
14 30 (26.09%) HTML5
15 28 (24.35%) Scrum
16 25 (21.74%) DevOps
17 23 (20.00%) TypeScript
17 23 (20.00%) Amazon AWS
18 22 (19.13%) KnockoutJS
19 19 (16.52%) RESTful
19 19 (16.52%) Kanban
19 19 (16.52%) CSS3
20 18 (15.65%) ES6
20 18 (15.65%) MVC
21 17 (14.78%) Microsoft Azure
21 17 (14.78%) React Native
22 16 (13.91%) Twitter Bootstrap

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 6 (5.22%) Elasticsearch
2 5 (4.35%) JBoss
2 5 (4.35%) Tomcat
3 4 (3.48%) Apache
3 4 (3.48%) nginx
4 1 (0.87%) SharePoint
4 1 (0.87%) SharePoint 2013
4 1 (0.87%) WebLogic
4 1 (0.87%) WebSphere
Applications
1 4 (3.48%) Photoshop
2 1 (0.87%) GIMP
2 1 (0.87%) InVision
Cloud Services
1 23 (20.00%) Amazon AWS
2 17 (14.78%) Microsoft Azure
3 12 (10.43%) SaaS
4 8 (6.96%) Google Cloud Platform
5 6 (5.22%) npm
6 4 (3.48%) Amazon EC2
6 4 (3.48%) AWS Lambda
6 4 (3.48%) Google App Engine
6 4 (3.48%) Serverless
7 1 (0.87%) Office 365
Communications & Networking
1 12 (10.43%) HTTP
2 4 (3.48%) Internet
3 2 (1.74%) DNS
3 2 (1.74%) TCP/IP
3 2 (1.74%) VPN
4 1 (0.87%) Network Security
Database & Business Intelligence
1 13 (11.30%) MongoDB
2 10 (8.70%) SQL Server
3 8 (6.96%) PostgreSQL
4 7 (6.09%) MySQL
5 6 (5.22%) Relational Database
6 4 (3.48%) Amazon DynamoDB
6 4 (3.48%) Redis
7 2 (1.74%) NoSQL
Development Applications
1 39 (33.91%) Git (software)
2 15 (13.04%) gulp
2 15 (13.04%) NUnit
3 11 (9.57%) Atlassian Bamboo
3 11 (9.57%) Moq
3 11 (9.57%) Octopus Deploy
4 9 (7.83%) Karma Test Runner
5 8 (6.96%) webpack
6 7 (6.09%) Subversion
6 7 (6.09%) Visual Studio
7 6 (5.22%) Jasmine
8 5 (4.35%) Jenkins
9 4 (3.48%) Visual Studio Team System
10 3 (2.61%) JBehave
10 3 (2.61%) Team Foundation Server
10 3 (2.61%) WebDriver
11 2 (1.74%) SpecFlow
12 1 (0.87%) Bower
12 1 (0.87%) Gradle
12 1 (0.87%) Grunt
General
1 12 (10.43%) Finance
2 3 (2.61%) Automotive
2 3 (2.61%) Telecoms
3 2 (1.74%) Back Office
3 2 (1.74%) Electronics
3 2 (1.74%) Retail
4 1 (0.87%) Advertising
4 1 (0.87%) Games
4 1 (0.87%) Marketing
Job Titles
1 105 (91.30%) Developer
2 36 (31.30%) Front End Developer (Client-Side Developer)
3 27 (23.48%) JavaScript Developer
4 26 (22.61%) Full Stack Developer
5 22 (19.13%) C# Developer
6 21 (18.26%) .NET Developer
7 19 (16.52%) Java Developer
8 15 (13.04%) Software Developer
9 13 (11.30%) Senior Developer
10 10 (8.70%) React Developer
11 9 (7.83%) C# .NET Developer
11 9 (7.83%) Graduate
12 8 (6.96%) Angular Developer
12 8 (6.96%) Software Engineer
13 7 (6.09%) HTML CSS Developer
13 7 (6.09%) HTML Developer
14 6 (5.22%) Graduate Developer
14 6 (5.22%) Senior Front-End Developer
15 5 (4.35%) Graduate Software Developer
15 5 (4.35%) Senior .NET Developer
Libraries, Frameworks & Software Standards
1 96 (83.48%) AngularJS
2 80 (69.57%) HTML
3 71 (61.74%) CSS
4 49 (42.61%) Node.js
5 35 (30.43%) jQuery
6 31 (26.96%) .NET
6 31 (26.96%) Sass
7 30 (26.09%) HTML5
8 22 (19.13%) KnockoutJS
9 19 (16.52%) CSS3
9 19 (16.52%) RESTful
10 17 (14.78%) React Native
11 16 (13.91%) Twitter Bootstrap
12 15 (13.04%) Web Services
12 15 (13.04%) XML
13 13 (11.30%) .NET Framework
13 13 (11.30%) SOAP
14 11 (9.57%) JSON
14 11 (9.57%) Ninject
14 11 (9.57%) Unity DI Container
Miscellaneous
1 32 (27.83%) User Experience
2 13 (11.30%) Mobile App
3 11 (9.57%) Robotics
4 6 (5.22%) Fintech
4 6 (5.22%) Greenfield Project
4 6 (5.22%) Media Streaming
5 4 (3.48%) Analytical Skills
6 2 (1.74%) N-Tier
Operating Systems
1 6 (5.22%) Linux
2 5 (4.35%) Android
Processes & Methodologies
1 76 (66.09%) Agile Software Development
2 43 (37.39%) Front End Development
3 41 (35.65%) TDD
4 31 (26.96%) Web Development
5 28 (24.35%) Scrum
6 25 (21.74%) DevOps
7 19 (16.52%) Kanban
8 18 (15.65%) MVC
9 16 (13.91%) Software Engineering
10 15 (13.04%) Prototyping
11 14 (12.17%) Continuous Integration
11 14 (12.17%) SOLID
11 14 (12.17%) Unit Testing
12 11 (9.57%) OO
13 10 (8.70%) Computer Science
13 10 (8.70%) Dependency Injection
14 9 (7.83%) Microservices
14 9 (7.83%) Problem-Solving
15 8 (6.96%) Mathematics
15 8 (6.96%) Pair Programming
Programming Languages
1 95 (82.61%) JavaScript
2 40 (34.78%) C#
3 39 (33.91%) Java
4 23 (20.00%) TypeScript
5 18 (15.65%) ES6
6 13 (11.30%) Java 8
7 11 (9.57%) PHP
7 11 (9.57%) Python
8 9 (7.83%) SQL
9 6 (5.22%) XAML
10 4 (3.48%) Haskell
10 4 (3.48%) Java 9
10 4 (3.48%) Scala
11 3 (2.61%) PowerShell
12 2 (1.74%) C
Qualifications
1 4 (3.48%) Computer Science Degree
1 4 (3.48%) Degree
Quality Assurance & Compliance
1 5 (4.35%) QA
2 4 (3.48%) PCI DSS
Systems Management
1 5 (4.35%) Terraform
2 4 (3.48%) Consul
2 4 (3.48%) Graphite
3 3 (2.61%) HAProxy
4 2 (1.74%) Opscode Chef
Vendors
1 10 (8.70%) Oracle
2 8 (6.96%) Google
3 7 (6.09%) Xamarin
4 4 (3.48%) F5
4 4 (3.48%) Percona
5 1 (0.87%) Microsoft
5 1 (0.87%) Nintex