Period
to 13 December 2017

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 13 December 2017 with a comparison to the same period in the previous 2 years.

React.js
East of England > Hertfordshire
6 months to
13 Dec 2017
Same period 2016 Same period 2015
Rank 119 192 236
Rank change year-on-year +73 +44 -
Permanent jobs citing React 102 24 3
As % of all permanent IT jobs advertised in Hertfordshire 2.30% 0.53% 0.057%
As % of the Libraries, Frameworks & Software Standards category 5.53% 1.45% 0.17%
Number of salaries quoted 94 23 2
Hertfordshire median annual salary £50,000 £55,000 £37,500
Median salary % change year-on-year -9.09% +46.67% -
10th Percentile £30,000 £43,750 £33,750
90th Percentile £67,500 £67,750 £41,250
East of England median annual salary £50,000 £51,500 £42,500
% change year-on-year -2.91% +21.18% +13.33%

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 1846 1654 1790
As % of all permanent IT jobs advertised in Hertfordshire 41.61% 36.86% 33.95%
Number of salaries quoted 1621 1467 1573
Hertfordshire median annual salary £50,000 £50,000 £45,000
Median salary % change year-on-year - +11.11% -
10th Percentile £31,250 £29,300 £28,000
90th Percentile £70,000 £70,000 £68,750
East of England median annual salary £47,500 £45,000 £42,500
% 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 13 December 2017.

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 13 December 2017. 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 +27 27 £50,000 -20.00% 1
Watford +16 25 £57,500 +4.55% 2
Hatfield +19 15 £55,000 +22.22% 1
Kings Langley - 7 £37,500 -
Broxbourne +2 5 £45,000 -5.26%
Harpenden - 4 £52,500 -
Rickmansworth - 3 £60,000 -
Welwyn Garden City -6 2 £75,000 +30.43%
Stevenage - 2 £48,750 - 1
Hemel Hempstead - 2 £51,250 -
Hitchin - 1 £37,500 -
React
East of England

For the 6 months to 13 December 2017, IT jobs citing React also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Hertfordshire region with a requirement for React.

1 83 (81.37%) JavaScript
2 68 (66.67%) AngularJS
3 57 (55.88%) HTML
4 48 (47.06%) Agile Software Development
5 46 (45.10%) CSS
5 46 (45.10%) Node.js
6 33 (32.35%) HTML5
7 32 (31.37%) TDD
8 31 (30.39%) jQuery
8 31 (30.39%) Git (software)
9 27 (26.47%) Software Engineering
9 27 (26.47%) C#
10 25 (24.51%) OO
10 25 (24.51%) MVC
11 22 (21.57%) E-Commerce
12 20 (19.61%) Amazon AWS
12 20 (19.61%) Front End Development
13 17 (16.67%) Microsoft Azure
13 17 (16.67%) Finance
13 17 (16.67%) Web Services
14 16 (15.69%) .NET
14 16 (15.69%) Java
15 15 (14.71%) SQL Server
15 15 (14.71%) Web Development
15 15 (14.71%) Ruby
15 15 (14.71%) Open Source
15 15 (14.71%) CSS3
16 14 (13.73%) Backbone.js
16 14 (13.73%) ES6
16 14 (13.73%) Ruby on Rails

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 8 (7.84%) Elasticsearch
2 3 (2.94%) Tomcat
3 2 (1.96%) JBoss
3 2 (1.96%) WebLogic
3 2 (1.96%) WebSphere
4 1 (0.98%) Apache
4 1 (0.98%) NServiceBus
Applications
1 1 (0.98%) Photoshop
Business Applications
1 1 (0.98%) WebTrends
Cloud Services
1 20 (19.61%) Amazon AWS
2 17 (16.67%) Microsoft Azure
3 7 (6.86%) Azure Machine Learning
4 6 (5.88%) SaaS
5 4 (3.92%) GitHub
5 4 (3.92%) npm
6 3 (2.94%) Heroku
7 2 (1.96%) Amazon ElastiCache
7 2 (1.96%) Amazon S3
7 2 (1.96%) Amazon SQS
7 2 (1.96%) AWS CloudFormation
7 2 (1.96%) AWS Elastic Beanstalk
7 2 (1.96%) AWS Lambda
7 2 (1.96%) CloudFront
7 2 (1.96%) Route 53
7 2 (1.96%) Serverless
8 1 (0.98%) Amazon EC2
Communications & Networking
1 9 (8.82%) HTTP
2 5 (4.90%) Skype
Database & Business Intelligence
1 15 (14.71%) SQL Server
2 12 (11.76%) MongoDB
2 12 (11.76%) PostgreSQL
3 9 (8.82%) Redis
4 4 (3.92%) Amazon DynamoDB
5 2 (1.96%) Amazon RDS
6 1 (0.98%) Oracle Database
6 1 (0.98%) SQL Server 2016
Development Applications
1 31 (30.39%) Git (software)
2 12 (11.76%) gulp
3 8 (7.84%) Karma Test Runner
3 8 (7.84%) webpack
4 6 (5.88%) Chocolatey
4 6 (5.88%) Jasmine
4 6 (5.88%) Jenkins
4 6 (5.88%) SpecFlow
4 6 (5.88%) Team Foundation Server
5 4 (3.92%) Mocha
6 3 (2.94%) JBehave
6 3 (2.94%) Subversion
6 3 (2.94%) WebDriver
7 2 (1.96%) Bower
7 2 (1.96%) Gradle
7 2 (1.96%) Grunt
8 1 (0.98%) Bitbucket
8 1 (0.98%) JIRA
8 1 (0.98%) Octopus Deploy
8 1 (0.98%) Visual Studio
General
1 17 (16.67%) Finance
2 13 (12.75%) Retail
3 7 (6.86%) Publishing
4 6 (5.88%) Games
5 5 (4.90%) Electronics
6 4 (3.92%) Automotive
7 1 (0.98%) Legal
7 1 (0.98%) Marketing
Job Titles
1 75 (73.53%) Developer
2 23 (22.55%) JavaScript Developer
3 21 (20.59%) Senior Developer
4 13 (12.75%) .NET Developer
4 13 (12.75%) Front End Developer (Client-Side Developer)
5 12 (11.76%) Junior
5 12 (11.76%) Junior Developer
5 12 (11.76%) Software Engineer
6 11 (10.78%) Full Stack Developer
7 8 (7.84%) Ruby on Rails Developer
7 8 (7.84%) Senior JavaScript Developer
8 7 (6.86%) JavaScript Engineer
9 6 (5.88%) C# Developer
10 5 (4.90%) Programmer
11 4 (3.92%) C# Web Developer
11 4 (3.92%) Java Developer
11 4 (3.92%) Junior .NET Developer
11 4 (3.92%) Junior C# Developer
11 4 (3.92%) Software Developer
11 4 (3.92%) Web Developer
Libraries, Frameworks & Software Standards
1 68 (66.67%) AngularJS
2 57 (55.88%) HTML
3 46 (45.10%) CSS
3 46 (45.10%) Node.js
4 33 (32.35%) HTML5
5 31 (30.39%) jQuery
6 17 (16.67%) Web Services
7 16 (15.69%) .NET
8 15 (14.71%) CSS3
9 14 (13.73%) Backbone.js
9 14 (13.73%) Ruby on Rails
10 13 (12.75%) Sass
11 12 (11.76%) RESTful
12 11 (10.78%) Ajax
13 10 (9.80%) ASP.NET Web API
13 10 (9.80%) JSON
14 9 (8.82%) ASP.NET
14 9 (8.82%) Express
14 9 (8.82%) REST
14 9 (8.82%) Twitter Bootstrap
Miscellaneous
1 10 (9.80%) Robotics
2 9 (8.82%) Computer Science
3 6 (5.88%) Analytical Skills
4 5 (4.90%) Algorithms
4 5 (4.90%) Data Structures
4 5 (4.90%) Online Games
5 4 (3.92%) Greenfield Project
5 4 (3.92%) Media Streaming
5 4 (3.92%) Mobile App
6 3 (2.94%) Fintech
7 1 (0.98%) User Experience
Operating Systems
1 5 (4.90%) Android
2 2 (1.96%) Linux
3 1 (0.98%) Windows
Processes & Methodologies
1 48 (47.06%) Agile Software Development
2 32 (31.37%) TDD
3 27 (26.47%) Software Engineering
4 25 (24.51%) MVC
4 25 (24.51%) OO
5 22 (21.57%) E-Commerce
6 20 (19.61%) Front End Development
7 15 (14.71%) Open Source
7 15 (14.71%) Web Development
8 13 (12.75%) OOP
9 11 (10.78%) BDD
10 10 (9.80%) Continuous Improvement
11 9 (8.82%) DevOps
12 8 (7.84%) Unit Testing
13 7 (6.86%) Machine Learning
13 7 (6.86%) Microservices
14 6 (5.88%) Analytical Thinking
15 5 (4.90%) Complexity Analysis
15 5 (4.90%) Continuous Integration
15 5 (4.90%) Load Testing
Programming Languages
1 83 (81.37%) JavaScript
2 27 (26.47%) C#
3 16 (15.69%) Java
4 15 (14.71%) Ruby
5 14 (13.73%) ES6
6 11 (10.78%) SQL
7 10 (9.80%) Python
8 9 (8.82%) TypeScript
9 6 (5.88%) PowerShell
10 5 (4.90%) T-SQL
10 5 (4.90%) XAML
11 4 (3.92%) PHP
12 2 (1.96%) GraphQL
13 1 (0.98%) Perl
13 1 (0.98%) PL/SQL
13 1 (0.98%) Scala
Qualifications
1 13 (12.75%) Degree
2 8 (7.84%) Computer Science Degree
Quality Assurance & Compliance
1 11 (10.78%) QA
System Software
1 1 (0.98%) Docker
Systems Management
1 11 (10.78%) Ansible
2 7 (6.86%) Opscode Chef
3 1 (0.98%) Kubernetes
Vendors
1 5 (4.90%) Google
1 5 (4.90%) Xamarin
2 1 (0.98%) New Relic
2 1 (0.98%) Oracle