Period
to 17 September 2019

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 17 September 2019 with a comparison to the same period in the previous 2 years.

Enzyme JavaScript Testing Utility
UK
6 months to
17 Sep 2019
Same period 2018 Same period 2017
Rank 861 988 1124
Rank change year-on-year +127 +136 +139
Permanent jobs citing Enzyme 230 188 78
As % of all permanent IT jobs advertised in the UK 0.16% 0.11% 0.045%
As % of the Libraries, Frameworks & Software Standards category 0.43% 0.28% 0.11%
Number of salaries quoted 161 151 77
UK median annual salary £62,500 £62,500 £67,500
Median salary % change year-on-year - -7.41% +50.00%
10th Percentile £42,500 £35,000 £47,500
90th Percentile £93,750 £92,500 £85,000
UK excluding London median annual salary £60,000 £43,750 £45,000
% change year-on-year +37.14% -2.78% +5.88%

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 53,041 66,822 70,587
As % of all permanent IT jobs advertised in the UK 37.39% 40.04% 40.31%
Number of salaries quoted 43,507 55,395 58,358
UK median annual salary £52,500 £50,000 £47,500
Median salary % change year-on-year +5.00% +5.26% -
10th Percentile £32,250 £31,250 £29,000
90th Percentile £87,500 £82,500 £77,500
UK excluding London median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% +2.41%

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 17 September 2019.

Salary histogram for Enzyme in the UK

Enzyme
Top 12 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 17 September 2019. 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 +138 206 £62,500 -16.67% 19
UK excluding London +116 123 £60,000 +37.14% 6
London +78 107 £65,000 -13.33% 14
South East +113 78 £62,500 +8.70% 2
Scotland +21 23 £72,500 +113.24% 1
South West - 9 £74,750 -
North West +19 8 £60,000 +14.29% 3
North of England +8 8 £60,000 +14.29% 3
East of England - 3 £42,500 -
Midlands +34 1 - -
West Midlands +25 1 - -
Wales +14 1 £50,000 -

For the 6 months to 17 September 2019, 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.

1 201 (87.39%) JavaScript
2 172 (74.78%) React
3 161 (70.00%) Jest
4 124 (53.91%) webpack
4 124 (53.91%) ES6
5 123 (53.48%) Git (software)
6 114 (49.57%) Redux
7 108 (46.96%) Agile Software Development
8 107 (46.52%) Docker
9 105 (45.65%) Microservices
10 99 (43.04%) HTML
11 98 (42.61%) Scrum
12 90 (39.13%) CSS
12 90 (39.13%) JIRA
13 87 (37.83%) TDD
14 85 (36.96%) Node.js
15 84 (36.52%) Confluence
16 81 (35.22%) ES7
17 75 (32.61%) Retail
18 74 (32.17%) Java
19 73 (31.74%) Front End Development
20 69 (30.00%) Babel
20 69 (30.00%) Selenium
20 69 (30.00%) Cucumber
20 69 (30.00%) Jenkins
21 68 (29.57%) Redis
22 65 (28.26%) Burndown Charts
22 65 (28.26%) Sprint Planning
22 65 (28.26%) Marathon
22 65 (28.26%) Planning Poker

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 84 (36.52%) Confluence
2 21 (9.13%) CMS
3 17 (7.39%) Drupal
3 17 (7.39%) Sitecore CMS
3 17 (7.39%) WordPress
4 16 (6.96%) SugarCRM
5 9 (3.91%) Apache
6 8 (3.48%) Apache Solr
7 3 (1.30%) Headless CMS
8 2 (0.87%) JBoss
8 2 (0.87%) Tomcat
9 1 (0.43%) ColdFusion
9 1 (0.43%) Elasticsearch
9 1 (0.43%) SAS
Applications
1 7 (3.04%) Photoshop
2 2 (0.87%) Sketch
3 1 (0.43%) Mingle
Cloud Services
1 26 (11.30%) Azure
2 22 (9.57%) GCP
3 21 (9.13%) AWS
4 16 (6.96%) npm
5 12 (5.22%) SaaS
6 6 (2.61%) Slack
7 5 (2.17%) Google Analytics
8 4 (1.74%) Serverless
9 3 (1.30%) GitHub
10 2 (0.87%) Amazon EC2
10 2 (0.87%) IaaS
10 2 (0.87%) Yarn
11 1 (0.43%) Amazon SQS
11 1 (0.43%) Cloud Computing
11 1 (0.43%) Heroku
Communications & Networking
1 8 (3.48%) HTTP
Database & Business Intelligence
1 68 (29.57%) Redis
2 65 (28.26%) PostgreSQL
3 54 (23.48%) MongoDB
4 13 (5.65%) Amazon DynamoDB
4 13 (5.65%) MySQL
5 5 (2.17%) Blockchain
6 3 (1.30%) JasperReports
7 1 (0.43%) Big Data
7 1 (0.43%) Hadoop
7 1 (0.43%) NoSQL
Development Applications
1 124 (53.91%) webpack
2 123 (53.48%) Git (software)
3 90 (39.13%) JIRA
4 69 (30.00%) Babel
4 69 (30.00%) Cucumber
4 69 (30.00%) Jenkins
4 69 (30.00%) Selenium
5 55 (23.91%) Mocha
6 29 (12.61%) Jasmine
7 20 (8.70%) CircleCI
8 17 (7.39%) gulp
9 15 (6.52%) WebDriver
10 10 (4.35%) Grunt
11 8 (3.48%) GitLab
11 8 (3.48%) NUnit
11 8 (3.48%) Octopus Deploy
12 7 (3.04%) Visual Studio Team System
13 6 (2.61%) JsTestDriver
13 6 (2.61%) Maven
13 6 (2.61%) PHPUnit
General
1 75 (32.61%) Retail
2 13 (5.65%) Finance
3 9 (3.91%) Games
4 7 (3.04%) Advertising
5 6 (2.61%) Marketing
5 6 (2.61%) Publishing
6 4 (1.74%) Legal
7 3 (1.30%) Front Office
8 1 (0.43%) Banking
8 1 (0.43%) Law
Job Titles
1 148 (64.35%) Developer
2 68 (29.57%) React Developer
3 55 (23.91%) Front End Developer (Client-Side Developer)
4 52 (22.61%) Software Engineer
5 46 (20.00%) JavaScript Developer
6 37 (16.09%) Senior Developer
7 32 (13.91%) UI Developer
8 29 (12.61%) UI Engineer
9 26 (11.30%) Development Engineer
9 26 (11.30%) Software Development Engineer
10 19 (8.26%) JavaScript Engineer
11 17 (7.39%) Senior Software Engineer
12 16 (6.96%) Senior Front-End Developer
13 14 (6.09%) Senior React Developer
14 8 (3.48%) DevOps Engineer
14 8 (3.48%) Lead DevOps
14 8 (3.48%) Software Developer
15 7 (3.04%) Lead Developer
15 7 (3.04%) Senior JavaScript Developer
15 7 (3.04%) Senior Software Developer
Libraries, Frameworks & Software Standards
1 172 (74.78%) React
2 161 (70.00%) Jest
3 114 (49.57%) Redux
4 99 (43.04%) HTML
5 90 (39.13%) CSS
6 85 (36.96%) Node.js
7 65 (28.26%) Kafka
8 63 (27.39%) Spring
9 58 (25.22%) Sass
10 53 (23.04%) HTML5
11 46 (20.00%) AngularJS
12 42 (18.26%) Chai
13 40 (17.39%) RESTful
14 34 (14.78%) CSS3
15 24 (10.43%) Ember.js
16 22 (9.57%) Web Services
17 20 (8.70%) REST
18 17 (7.39%) .NET
19 15 (6.52%) WebdriverIO
20 14 (6.09%) LESS
Miscellaneous
1 23 (10.00%) User Experience
2 18 (7.83%) Greenfield Project
3 13 (5.65%) Enterprise Software
4 10 (4.35%) iPad
5 8 (3.48%) Algorithms
5 8 (3.48%) Self-Motivation
6 7 (3.04%) Mobile App
6 7 (3.04%) PlayStation
6 7 (3.04%) Xbox
7 2 (0.87%) e-Learning
7 2 (0.87%) Foreign Exchange (FX)
7 2 (0.87%) Linux Command Line
8 1 (0.43%) Analytical Mindset
8 1 (0.43%) Analytical Skills
8 1 (0.43%) Data Structures
8 1 (0.43%) Equities
8 1 (0.43%) Online Banking
8 1 (0.43%) Virtual Team
Operating Systems
1 7 (3.04%) Linux
2 4 (1.74%) Android
2 4 (1.74%) Apple iOS
Processes & Methodologies
1 108 (46.96%) Agile Software Development
2 105 (45.65%) Microservices
3 98 (42.61%) Scrum
4 87 (37.83%) TDD
5 73 (31.74%) Front End Development
6 65 (28.26%) Burndown Charts
6 65 (28.26%) Planning Poker
6 65 (28.26%) Sprint Planning
7 47 (20.43%) BDD
8 46 (20.00%) Technology Roadmap
9 44 (19.13%) Continuous Integration
10 39 (16.96%) Software Engineering
11 38 (16.52%) DevOps
12 31 (13.48%) Mentoring
12 31 (13.48%) Unit Testing
13 29 (12.61%) Continuous Delivery
14 28 (12.17%) Test Automation
15 27 (11.74%) Kanban
16 25 (10.87%) MVC
16 25 (10.87%) OO
Programming Languages
1 201 (87.39%) JavaScript
2 124 (53.91%) ES6
3 81 (35.22%) ES7
4 74 (32.17%) Java
5 32 (13.91%) TypeScript
6 21 (9.13%) C#
6 21 (9.13%) PHP
7 19 (8.26%) ES8
8 15 (6.52%) Python
9 9 (3.91%) Kotlin
10 6 (2.61%) Java 8
10 6 (2.61%) Scala
11 4 (1.74%) Bash Shell
12 3 (1.30%) Groovy
12 3 (1.30%) SQL
13 2 (0.87%) JSX
14 1 (0.43%) Go
14 1 (0.43%) Perl
14 1 (0.43%) Ruby
Qualifications
1 28 (12.17%) Degree
2 16 (6.96%) Computer Science Degree
3 2 (0.87%) Master's Degree
Quality Assurance & Compliance
1 12 (5.22%) QA
System Software
1 107 (46.52%) Docker
Systems Management
1 65 (28.26%) Marathon
1 65 (28.26%) Mesos
2 28 (12.17%) Kubernetes
3 25 (10.87%) Terraform
4 19 (8.26%) Ansible
4 19 (8.26%) Docker Swarm
5 7 (3.04%) Opscode Chef
Vendors
1 20 (8.70%) hybris
2 17 (7.39%) Sitecore
3 12 (5.22%) Google
4 6 (2.61%) Cypress Semiconductor
5 5 (2.17%) Microsoft
6 3 (1.30%) Adobe
7 2 (0.87%) Apple
7 2 (0.87%) Spotify
8 1 (0.43%) Twitter