Period
to 18 February 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 18 February 2018 with a comparison to the same period in the previous 2 years.

React.js
East of England > Hertfordshire
6 months to
18 Feb 2018
Same period 2017 Same period 2016
Rank 103 189 229
Rank change year-on-year +86 +40 -
Permanent jobs citing React 136 33 6
As % of all permanent IT jobs advertised in Hertfordshire 2.83% 0.73% 0.12%
As % of the Libraries, Frameworks & Software Standards category 7.11% 1.88% 0.35%
Number of salaries quoted 129 30 5
Hertfordshire median annual salary £55,000 £55,000 £40,000
Median salary % change year-on-year - +37.50% -
10th Percentile £33,750 £42,500 £33,750
90th Percentile £67,500 £70,750 £74,500
East of England median annual salary £50,000 £47,500 £40,000
% change year-on-year +5.26% +18.75% +6.67%

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 1,914 1,752 1,697
As % of all permanent IT jobs advertised in Hertfordshire 39.77% 38.86% 33.13%
Number of salaries quoted 1,682 1,522 1,450
Hertfordshire median annual salary £52,500 £50,000 £46,500
Median salary % change year-on-year +5.00% +7.53% -
10th Percentile £31,250 £31,250 £28,000
90th Percentile £71,250 £70,000 £70,000
East of England median annual salary £50,000 £45,000 £42,500
% change year-on-year +11.11% +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 18 February 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 18 February 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 +26 32 £60,000 +9.09% 1
St Albans +19 31 £50,000 -20.00% 2
Harpenden - 21 £45,000 - 1
Hatfield +9 19 £57,500 +27.78%
Hemel Hempstead - 5 £42,500 - 4
Broxbourne +2 4 £45,000 -5.26%
Rickmansworth - 4 £57,500 -
Kings Langley - 3 £37,500 -
Stevenage -2 2 £52,500 - 1
Hitchin - 1 £37,500 -
React
East of England

For the 6 months to 18 February 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.

1 117 (86.03%) JavaScript
2 104 (76.47%) AngularJS
3 92 (67.65%) HTML
4 90 (66.18%) Agile Software Development
5 75 (55.15%) CSS
6 67 (49.26%) HTML5
7 66 (48.53%) Git (software)
8 55 (40.44%) jQuery
9 44 (32.35%) TDD
10 43 (31.62%) Front End Development
11 41 (30.15%) Node.js
12 40 (29.41%) ES6
13 39 (28.68%) Software Engineering
14 37 (27.21%) MVC
14 37 (27.21%) Finance
15 35 (25.74%) gulp
16 33 (24.26%) React Native
16 33 (24.26%) Karma Test Runner
17 32 (23.53%) Sass
18 30 (22.06%) C#
19 28 (20.59%) Java
19 28 (20.59%) OO
19 28 (20.59%) E-Commerce
19 28 (20.59%) RESTful
19 28 (20.59%) Amazon AWS
20 25 (18.38%) TypeScript
21 24 (17.65%) HTTP
21 24 (17.65%) SQL
21 24 (17.65%) .NET
22 23 (16.91%) CSS3

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 9 (6.62%) Elasticsearch
2 3 (2.21%) Confluence
2 3 (2.21%) NServiceBus
2 3 (2.21%) Tomcat
3 2 (1.47%) JBoss
3 2 (1.47%) WebLogic
3 2 (1.47%) WebSphere
Applications
1 1 (0.74%) Photoshop
Business Applications
1 3 (2.21%) SAP Hybris
2 1 (0.74%) WebTrends
Cloud Services
1 28 (20.59%) Amazon AWS
2 21 (15.44%) npm
3 15 (11.03%) SaaS
4 12 (8.82%) Microsoft Azure
5 4 (2.94%) GitHub
6 3 (2.21%) Azure Machine Learning
6 3 (2.21%) Heroku
7 2 (1.47%) Amazon ElastiCache
7 2 (1.47%) Amazon S3
7 2 (1.47%) Amazon SQS
7 2 (1.47%) AWS CloudFormation
7 2 (1.47%) AWS Elastic Beanstalk
7 2 (1.47%) AWS Lambda
7 2 (1.47%) CloudFront
7 2 (1.47%) Route 53
7 2 (1.47%) Serverless
8 1 (0.74%) Amazon EC2
Communications & Networking
1 24 (17.65%) HTTP
2 5 (3.68%) Skype
Database & Business Intelligence
1 15 (11.03%) PostgreSQL
2 12 (8.82%) MongoDB
3 11 (8.09%) Redis
4 10 (7.35%) SQL Server
5 4 (2.94%) Amazon DynamoDB
6 3 (2.21%) Endeca
7 2 (1.47%) Amazon RDS
Development Applications
1 66 (48.53%) Git (software)
2 35 (25.74%) gulp
3 33 (24.26%) Karma Test Runner
4 23 (16.91%) webpack
5 22 (16.18%) Jasmine
6 11 (8.09%) JBehave
6 11 (8.09%) Jenkins
6 11 (8.09%) WebDriver
7 4 (2.94%) Chocolatey
7 4 (2.94%) JIRA
7 4 (2.94%) Mocha
7 4 (2.94%) SpecFlow
7 4 (2.94%) Team Foundation Server
8 2 (1.47%) Bower
8 2 (1.47%) Gradle
8 2 (1.47%) Grunt
8 2 (1.47%) Subversion
General
1 37 (27.21%) Finance
2 7 (5.15%) Retail
3 6 (4.41%) Publishing
4 5 (3.68%) Games
5 4 (2.94%) Automotive
5 4 (2.94%) Electronics
6 1 (0.74%) Marketing
Job Titles
1 105 (77.21%) Developer
2 50 (36.76%) JavaScript Developer
3 38 (27.94%) Front End Developer (Client-Side Developer)
4 30 (22.06%) Senior Developer
5 22 (16.18%) React Developer
6 20 (14.71%) Angular Developer
7 18 (13.24%) .NET Developer
8 15 (11.03%) JavaScript Engineer
8 15 (11.03%) Senior JavaScript Developer
9 14 (10.29%) Full Stack Developer
9 14 (10.29%) HTML CSS Developer
9 14 (10.29%) HTML Developer
10 13 (9.56%) Software Engineer
11 12 (8.82%) Senior Front-End Developer
12 11 (8.09%) Junior
12 11 (8.09%) Junior Developer
12 11 (8.09%) Ruby on Rails Developer
13 9 (6.62%) Cloud Engineer
14 8 (5.88%) Node.js Developer
14 8 (5.88%) Senior Cloud Engineer
Libraries, Frameworks & Software Standards
1 104 (76.47%) AngularJS
2 92 (67.65%) HTML
3 75 (55.15%) CSS
4 67 (49.26%) HTML5
5 55 (40.44%) jQuery
6 41 (30.15%) Node.js
7 33 (24.26%) React Native
8 32 (23.53%) Sass
9 28 (20.59%) RESTful
10 24 (17.65%) .NET
11 23 (16.91%) CSS3
12 22 (16.18%) Semantic HTML
13 21 (15.44%) Redux
14 18 (13.24%) Twitter Bootstrap
15 16 (11.76%) Ruby on Rails
16 15 (11.03%) ASP.NET
16 15 (11.03%) Web Services
17 14 (10.29%) Handlebars
18 13 (9.56%) D3.js
19 12 (8.82%) ASP.NET Web API
Miscellaneous
1 21 (15.44%) Media Streaming
1 21 (15.44%) Mobile App
2 20 (14.71%) Robotics
3 9 (6.62%) Analytical Skills
4 5 (3.68%) Online Games
5 4 (2.94%) Fintech
6 3 (2.21%) Computer Science
7 2 (1.47%) Greenfield Project
7 2 (1.47%) User Experience
Operating Systems
1 5 (3.68%) Android
2 1 (0.74%) Linux
Processes & Methodologies
1 90 (66.18%) Agile Software Development
2 44 (32.35%) TDD
3 43 (31.62%) Front End Development
4 39 (28.68%) Software Engineering
5 37 (27.21%) MVC
6 28 (20.59%) E-Commerce
6 28 (20.59%) OO
7 22 (16.18%) OOP
8 21 (15.44%) Validation
9 20 (14.71%) Continuous Improvement
10 18 (13.24%) Open Source
11 16 (11.76%) Web Development
12 13 (9.56%) Mentoring
12 13 (9.56%) Scrum
13 11 (8.09%) Test Automation
14 10 (7.35%) SDLC
15 9 (6.62%) Analytical Thinking
15 9 (6.62%) BDD
15 9 (6.62%) DevOps
16 7 (5.15%) Unit Testing
Programming Languages
1 117 (86.03%) JavaScript
2 40 (29.41%) ES6
3 30 (22.06%) C#
4 28 (20.59%) Java
5 25 (18.38%) TypeScript
6 24 (17.65%) SQL
7 17 (12.50%) Ruby
8 7 (5.15%) PowerShell
9 5 (3.68%) PHP
9 5 (3.68%) Python
10 4 (2.94%) T-SQL
10 4 (2.94%) XAML
11 2 (1.47%) GraphQL
12 1 (0.74%) C
12 1 (0.74%) Scala
Qualifications
1 11 (8.09%) Degree
2 7 (5.15%) Computer Science Degree
Quality Assurance & Compliance
1 16 (11.76%) QA
System Software
1 2 (1.47%) Docker
Systems Management
1 14 (10.29%) Ansible
2 6 (4.41%) Opscode Chef
3 2 (1.47%) Kubernetes
Vendors
1 5 (3.68%) Google
2 4 (2.94%) Xamarin
3 3 (2.21%) BroadVision
3 3 (2.21%) hybris
3 3 (2.21%) SAP