Period
to 20 February 2020

The following table provides summary statistics for permanent job vacancies with a requirement for Enzyme skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Enzyme over the 6 months to 20 February 2020 with a comparison to the same period in the previous 2 years.

Enzyme JavaScript Testing Utility
UK
6 months to
20 Feb 2020
Same period 2019 Same period 2018
Rank 806 1004 1103
Rank change year-on-year +198 +99 +69
Permanent jobs citing Enzyme 217 95 121
As % of all permanent IT jobs advertised in the UK 0.18% 0.063% 0.068%
As % of the Libraries, Frameworks & Software Standards category 0.45% 0.16% 0.17%
Number of salaries quoted 152 55 107
UK median annual salary £60,000 £65,000 £65,000
Median salary % change year-on-year -7.69% - +30.00%
10th Percentile £42,750 £43,750 £38,450
90th Percentile £92,500 £89,000 £82,500
UK excluding London median annual salary £52,500 £48,750 £42,500
% change year-on-year +7.69% +14.71% -2.86%

Enzyme 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 with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 48,159 60,067 71,758
As % of all permanent IT jobs advertised in the UK 38.91% 39.68% 40.59%
Number of salaries quoted 39,612 49,249 60,512
UK median annual salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00% +5.26%
10th Percentile £32,500 £31,250 £30,000
90th Percentile £90,000 £85,000 £78,750
UK excluding London median annual salary £47,500 £45,000 £42,500
% change year-on-year +5.56% +5.88% -

Enzyme
Job Vacancy Trend

Job postings citing Enzyme as a percentage of all IT jobs advertised.

Job vacancy trend for Enzyme in the UK

Enzyme
Salary Trend

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

Salary trend for Enzyme in the UK

Enzyme
Salary Histogram

The salary distribution of IT jobs citing Enzyme over the 6 months to 20 February 2020.

Salary histogram for Enzyme in the UK

Enzyme
Top 14 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Enzyme within the UK over the 6 months to 20 February 2020. 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
England +236 206 £62,500 -3.85% 38
London +166 148 £65,000 -3.70% 24
UK excluding London +113 69 £52,500 +7.69% 15
South West +62 31 £57,500 +76.92% 7
South East +45 11 £50,000 +33.33% 1
Scotland - 8 £47,250 - 1
North of England +56 7 £46,500 -19.13% 3
East of England - 7 £57,500 -
North West +51 6 £43,750 -23.91% 1
Wales 0 3 £40,000 - 1
Midlands +33 2 £50,000 +11.11% 2
Yorkshire +41 1 £46,500 -22.50% 2
West Midlands +20 1 £50,000 +11.11% 1
East Midlands - 1 - - 1

For the 6 months to 20 February 2020, IT jobs citing Enzyme 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 with a requirement for Enzyme.

1 203 (93.55%) Jest
2 171 (78.80%) Agile Software Development
3 150 (69.12%) React
4 146 (67.28%) JavaScript
5 99 (45.62%) Git (software)
6 96 (44.24%) TDD
7 82 (37.79%) Scrum
8 81 (37.33%) CSS
8 81 (37.33%) Unit Testing
8 81 (37.33%) DevOps
8 81 (37.33%) Redux
9 79 (36.41%) Front End Development
10 78 (35.94%) HTML
11 74 (34.10%) Node.js
12 69 (31.80%) Azure
13 66 (30.41%) Finance
14 62 (28.57%) Jasmine
15 57 (26.27%) AngularJS
16 56 (25.81%) Octopus Deploy
17 55 (25.35%) AWS
18 53 (24.42%) webpack
19 51 (23.50%) Scaled Agile Framework
20 50 (23.04%) Visual Studio Team System
20 50 (23.04%) Java
21 49 (22.58%) HTML5
22 48 (22.12%) Docker
22 48 (22.12%) Redis
23 47 (21.66%) Kafka
24 46 (21.20%) CSS3
24 46 (21.20%) BDD

Enzyme
Co-occurring IT Skills 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 (3.69%) Confluence
2 7 (3.23%) Apache Solr
3 4 (1.84%) Apache
4 3 (1.38%) CMS
4 3 (1.38%) Drupal
4 3 (1.38%) JBoss
4 3 (1.38%) Sitecore CMS
4 3 (1.38%) Tomcat
4 3 (1.38%) WordPress
5 2 (0.92%) Ethereum
5 2 (0.92%) GemFire
5 2 (0.92%) NServiceBus
5 2 (0.92%) Oracle SOA Suite
6 1 (0.46%) Apache Spark
Applications
1 10 (4.61%) Photoshop
2 8 (3.69%) InVision
2 8 (3.69%) Sketch
2 8 (3.69%) Zeplin
3 2 (0.92%) Adobe Illustrator
Cloud Services
1 69 (31.80%) Azure
2 55 (25.35%) AWS
3 12 (5.53%) GitHub
4 10 (4.61%) GCP
5 9 (4.15%) SaaS
6 5 (2.30%) Google Analytics
6 5 (2.30%) npm
7 2 (0.92%) Heroku
8 1 (0.46%) Serverless
8 1 (0.46%) Yarn
Communications & Networking
1 2 (0.92%) HTTP
1 2 (0.92%) Reverse Proxy
Database & Business Intelligence
1 48 (22.12%) Redis
2 45 (20.74%) CouchDB
3 43 (19.82%) Apache Cassandra
3 43 (19.82%) NoSQL
4 28 (12.90%) SQL Server
5 27 (12.44%) SQL Server Integration Services
6 24 (11.06%) MongoDB
7 17 (7.83%) Hadoop
8 7 (3.23%) PostgreSQL
9 6 (2.76%) MySQL
10 4 (1.84%) JasperReports
11 2 (0.92%) Big Data
11 2 (0.92%) Blockchain
11 2 (0.92%) HBase
11 2 (0.92%) Relational Database
Development Applications
1 99 (45.62%) Git (software)
2 62 (28.57%) Jasmine
3 56 (25.81%) Octopus Deploy
4 53 (24.42%) webpack
5 50 (23.04%) Visual Studio Team System
6 46 (21.20%) NUnit
7 45 (20.74%) Karma Test Runner
8 24 (11.06%) Mocha
9 20 (9.22%) Jenkins
10 19 (8.76%) Babel
11 16 (7.37%) JIRA
12 13 (5.99%) CircleCI
12 13 (5.99%) Grunt
12 13 (5.99%) TeamCity
13 11 (5.07%) JsTestDriver
13 11 (5.07%) Selenium
13 11 (5.07%) Visual Studio
14 10 (4.61%) Bitbucket
14 10 (4.61%) Cucumber
15 7 (3.23%) gulp
General
1 66 (30.41%) Finance
2 23 (10.60%) Retail
3 18 (8.29%) Front Office
4 16 (7.37%) Banking
5 10 (4.61%) Games
6 6 (2.76%) Marketing
7 5 (2.30%) Publishing
8 3 (1.38%) Electronics
8 3 (1.38%) Manufacturing
8 3 (1.38%) Public Sector
8 3 (1.38%) Telecoms
9 1 (0.46%) Advertising
9 1 (0.46%) Automotive
9 1 (0.46%) Law
Job Titles
1 142 (65.44%) Developer
2 70 (32.26%) Front End Developer (Client-Side Developer)
3 64 (29.49%) React Developer
4 28 (12.90%) Senior Developer
5 27 (12.44%) Data Engineer
5 27 (12.44%) Full Stack Developer
5 27 (12.44%) Software Engineer
6 21 (9.68%) Senior Front-End Developer
7 19 (8.76%) C# Developer
8 14 (6.45%) Senior React Developer
9 12 (5.53%) Software Developer
10 11 (5.07%) Principal Engineer
11 9 (4.15%) Developer/Software Engineer
11 9 (4.15%) Lead Developer
12 8 (3.69%) UI Developer
13 6 (2.76%) JavaScript Developer
13 6 (2.76%) Senior Software Engineer
14 5 (2.30%) Digital Developer
14 5 (2.30%) JavaScript Engineer
15 4 (1.84%) Angular Developer
Libraries, Frameworks & Software Standards
1 203 (93.55%) Jest
2 150 (69.12%) React
3 81 (37.33%) CSS
3 81 (37.33%) Redux
4 78 (35.94%) HTML
5 74 (34.10%) Node.js
6 57 (26.27%) AngularJS
7 49 (22.58%) HTML5
8 47 (21.66%) Kafka
9 46 (21.20%) CSS3
10 43 (19.82%) RabbitMQ
11 33 (15.21%) Sass
12 31 (14.29%) RESTful
13 30 (13.82%) .NET
14 29 (13.36%) Web Services
15 26 (11.98%) .NET Framework
16 25 (11.52%) .NET Core
16 25 (11.52%) ASP.NET Web API
17 20 (9.22%) LESS
18 19 (8.76%) Entity Framework
Miscellaneous
1 33 (15.21%) Analytical Skills
2 31 (14.29%) User Experience
3 29 (13.36%) Self-Motivation
4 21 (9.68%) Mobile App
5 13 (5.99%) Greenfield Project
6 7 (3.23%) W3C
7 5 (2.30%) Enterprise Software
8 2 (0.92%) Bitcoin
8 2 (0.92%) Linux Command Line
9 1 (0.46%) e-Learning
9 1 (0.46%) Hedge funds
9 1 (0.46%) Mobile Banking
9 1 (0.46%) Video\Live Streaming
Operating Systems
1 29 (13.36%) Linux
2 25 (11.52%) Unix
3 3 (1.38%) Android
3 3 (1.38%) Apple iOS
4 2 (0.92%) Debian
4 2 (0.92%) Ubuntu
4 2 (0.92%) Windows
4 2 (0.92%) Windows Server
Processes & Methodologies
1 171 (78.80%) Agile Software Development
2 96 (44.24%) TDD
3 82 (37.79%) Scrum
4 81 (37.33%) DevOps
4 81 (37.33%) Unit Testing
5 79 (36.41%) Front End Development
6 51 (23.50%) Scaled Agile Framework
7 46 (21.20%) BDD
7 46 (21.20%) Deployment Automation
8 45 (20.74%) OO
9 43 (19.82%) Microservices
10 41 (18.89%) Continuous Integration
11 39 (17.97%) Software Engineering
12 35 (16.13%) Kanban
13 34 (15.67%) Analytics
14 32 (14.75%) Data Visualisation
14 32 (14.75%) Visualisation
15 30 (13.82%) Critical Thinking
15 30 (13.82%) Data Modelling
16 27 (12.44%) Technical Debt
Programming Languages
1 146 (67.28%) JavaScript
2 50 (23.04%) Java
3 40 (18.43%) ES6
4 39 (17.97%) TypeScript
5 33 (15.21%) SQL
6 28 (12.90%) C#
7 17 (7.83%) Python
8 13 (5.99%) ES7
9 12 (5.53%) Kotlin
10 8 (3.69%) Scala
11 6 (2.76%) Apple Swift
11 6 (2.76%) C
11 6 (2.76%) Objective-C
11 6 (2.76%) PHP
12 4 (1.84%) C++
12 4 (1.84%) Groovy
12 4 (1.84%) XAML
13 2 (0.92%) Bash Shell
13 2 (0.92%) PowerShell
13 2 (0.92%) T-SQL
Qualifications
1 11 (5.07%) Security Cleared
2 8 (3.69%) Degree
3 7 (3.23%) DV Cleared
4 6 (2.76%) Computer Science Degree
Quality Assurance & Compliance
1 16 (7.37%) QA
2 2 (0.92%) WCAG
System Software
1 48 (22.12%) Docker
2 2 (0.92%) Virtual Machines
2 2 (0.92%) VMware Infrastructure
2 2 (0.92%) Xen
Systems Management
1 30 (13.82%) Kubernetes
2 22 (10.14%) Ansible
3 10 (4.61%) Terraform
4 7 (3.23%) Docker Swarm
5 4 (1.84%) Marathon
5 4 (1.84%) Mesos
6 2 (0.92%) Rundeck
Vendors
1 27 (12.44%) Tableau
2 16 (7.37%) Atlassian
3 15 (6.91%) Microsoft
3 15 (6.91%) Oracle
4 7 (3.23%) hybris
5 6 (2.76%) Google
6 4 (1.84%) DevExpress
7 3 (1.38%) SAP
7 3 (1.38%) Sitecore
8 2 (0.92%) CA Agile Central
8 2 (0.92%) VMware