Period
to 22 May 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 22 May 2019 with a comparison to the same period in the previous 2 years.

Enzyme JavaScript Testing Utility
UK
6 months to
22 May 2019
Same period 2018 Same period 2017
Rank 949 1024 1111
Rank change year-on-year +75 +87 -
Permanent jobs citing Enzyme 133 182 68
As % of all permanent IT jobs advertised in the UK 0.092% 0.11% 0.040%
As % of the Libraries, Frameworks & Software Standards category 0.24% 0.26% 0.099%
Number of salaries quoted 78 168 62
UK median annual salary £60,000 £60,000 £67,500
Median salary % change year-on-year - -11.11% -
10th Percentile £36,250 £32,000 £47,500
90th Percentile £81,450 £82,500 £85,000
UK excluding London median annual salary £45,000 £40,000 £40,000
% change year-on-year +12.50% - -

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 55,633 69,620 68,439
As % of all permanent IT jobs advertised in the UK 38.55% 40.54% 40.50%
Number of salaries quoted 45,500 58,319 58,194
UK median annual salary £52,500 £50,000 £47,500
Median salary % change year-on-year +5.00% +5.26% -
10th Percentile £31,250 £31,250 £29,000
90th Percentile £85,000 £80,000 £76,250
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 22 May 2019.

Salary histogram for Enzyme in the UK

Enzyme
Top 10 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 22 May 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 +74 125 £60,000 -14.29% 6
UK excluding London +71 67 £45,000 +12.50% 2
London +27 66 £67,500 -6.90% 4
South East +65 46 £45,000 -18.18% 1
North of England +45 8 £42,500 -15.84%
Scotland -7 8 £59,500 +75.00%
North West +23 7 £37,500 -25.74%
East of England - 3 £42,500 - 1
South West +34 2 - -
Yorkshire - 1 £60,000 -

For the 6 months to 22 May 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.

1 111 (83.46%) JavaScript
2 93 (69.92%) Jest
3 88 (66.17%) Redux
3 88 (66.17%) React
4 80 (60.15%) ES6
5 69 (51.88%) Front End Development
6 66 (49.62%) webpack
7 65 (48.87%) CSS
8 63 (47.37%) HTML
8 63 (47.37%) Git (software)
9 51 (38.35%) Agile Software Development
9 51 (38.35%) ES7
10 50 (37.59%) Docker
10 50 (37.59%) JIRA
11 49 (36.84%) Microservices
12 48 (36.09%) Babel
13 47 (35.34%) Node.js
13 47 (35.34%) Retail
14 43 (32.33%) AngularJS
15 41 (30.83%) Scrum
15 41 (30.83%) Java
16 40 (30.08%) Cucumber
17 39 (29.32%) HTML5
17 39 (29.32%) Confluence
17 39 (29.32%) Selenium
17 39 (29.32%) PostgreSQL
17 39 (29.32%) Redis
18 38 (28.57%) Kafka
18 38 (28.57%) Mesos
18 38 (28.57%) Burndown Charts

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 39 (29.32%) Confluence
2 6 (4.51%) Apache
3 2 (1.50%) Apache Solr
3 2 (1.50%) Drupal
3 2 (1.50%) Elasticsearch
3 2 (1.50%) JBoss
3 2 (1.50%) Tomcat
4 1 (0.75%) Cloud Foundry
4 1 (0.75%) Mule
4 1 (0.75%) nginx
Cloud Services
1 12 (9.02%) npm
2 10 (7.52%) Amazon AWS
3 9 (6.77%) SaaS
4 4 (3.01%) Serverless
5 3 (2.26%) GitHub
5 3 (2.26%) Google Cloud Platform
6 2 (1.50%) Amazon EC2
6 2 (1.50%) AWS Lambda
6 2 (1.50%) IaaS
7 1 (0.75%) Microsoft Azure
7 1 (0.75%) Slack
7 1 (0.75%) Yarn
Communications & Networking
1 3 (2.26%) HTTP
2 1 (0.75%) Network Security
Database & Business Intelligence
1 39 (29.32%) PostgreSQL
1 39 (29.32%) Redis
2 34 (25.56%) MongoDB
3 8 (6.02%) Amazon DynamoDB
4 7 (5.26%) MySQL
5 1 (0.75%) Apache Cassandra
5 1 (0.75%) SQL Server
Development Applications
1 66 (49.62%) webpack
2 63 (47.37%) Git (software)
3 50 (37.59%) JIRA
4 48 (36.09%) Babel
5 40 (30.08%) Cucumber
6 39 (29.32%) Selenium
7 33 (24.81%) Mocha
8 29 (21.80%) Jenkins
9 12 (9.02%) Jasmine
10 7 (5.26%) PHPUnit
10 7 (5.26%) WebDriver
11 6 (4.51%) GitLab
11 6 (4.51%) gulp
12 5 (3.76%) Gradle
12 5 (3.76%) Grunt
12 5 (3.76%) Travis CI
13 4 (3.01%) Moq
13 4 (3.01%) NUnit
14 2 (1.50%) Ant
14 2 (1.50%) JUnit
General
1 47 (35.34%) Retail
2 11 (8.27%) Finance
3 10 (7.52%) Publishing
4 6 (4.51%) Games
5 5 (3.76%) Advertising
5 5 (3.76%) Marketing
6 2 (1.50%) Law
7 1 (0.75%) Banking
7 1 (0.75%) Front Office
Job Titles
1 98 (73.68%) Developer
2 47 (35.34%) Front End Developer (Client-Side Developer)
3 44 (33.08%) React Developer
4 25 (18.80%) Software Engineer
5 22 (16.54%) JavaScript Developer
6 15 (11.28%) Development Engineer
6 15 (11.28%) Software Development Engineer
6 15 (11.28%) UI Engineer
7 14 (10.53%) Full Stack Developer
8 9 (6.77%) Agile Developer
9 8 (6.02%) JavaScript Engineer
10 7 (5.26%) Lead Developer
10 7 (5.26%) Senior Developer
10 7 (5.26%) UI Developer
11 4 (3.01%) PHP Software Engineer
11 4 (3.01%) Senior JavaScript Developer
11 4 (3.01%) Senior React Developer
11 4 (3.01%) Web Developer
12 3 (2.26%) Node.js Developer
12 3 (2.26%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 93 (69.92%) Jest
2 88 (66.17%) React
2 88 (66.17%) Redux
3 65 (48.87%) CSS
4 63 (47.37%) HTML
5 47 (35.34%) Node.js
6 43 (32.33%) AngularJS
7 39 (29.32%) HTML5
8 38 (28.57%) Kafka
9 36 (27.07%) Spring
10 28 (21.05%) RESTful
11 26 (19.55%) Sass
12 22 (16.54%) CSS3
13 16 (12.03%) Web Services
14 12 (9.02%) Preactjs
14 12 (9.02%) Vue.js
15 11 (8.27%) REST
16 10 (7.52%) Ember.js
17 9 (6.77%) Spring Boot
18 8 (6.02%) React Native
Miscellaneous
1 30 (22.56%) User Experience
2 14 (10.53%) Greenfield Project
3 10 (7.52%) Self-Motivation
4 6 (4.51%) Enterprise Software
4 6 (4.51%) Fintech
5 5 (3.76%) PlayStation
5 5 (3.76%) Xbox
6 3 (2.26%) Data Protection Act
7 2 (1.50%) Linux Command Line
7 2 (1.50%) Mobile App
8 1 (0.75%) e-Learning
8 1 (0.75%) Online Banking
Operating Systems
1 8 (6.02%) Linux
2 3 (2.26%) Android
2 3 (2.26%) Apple iOS
Processes & Methodologies
1 69 (51.88%) Front End Development
2 51 (38.35%) Agile Software Development
3 49 (36.84%) Microservices
4 41 (30.83%) Scrum
5 38 (28.57%) Burndown Charts
5 38 (28.57%) Planning Poker
5 38 (28.57%) Sprint Planning
6 35 (26.32%) TDD
7 26 (19.55%) Multichannel Retail
8 25 (18.80%) Unit Testing
9 22 (16.54%) BDD
10 16 (12.03%) MVC
10 16 (12.03%) Test Automation
11 13 (9.77%) DevOps
12 12 (9.02%) OO
12 12 (9.02%) Software Engineering
13 11 (8.27%) Continuous Integration
14 9 (6.77%) Progressive Enhancement
15 8 (6.02%) Open Source
16 7 (5.26%) Continuous Delivery
Programming Languages
1 111 (83.46%) JavaScript
2 80 (60.15%) ES6
3 51 (38.35%) ES7
4 41 (30.83%) Java
5 20 (15.04%) TypeScript
6 13 (9.77%) Bash Shell
7 10 (7.52%) PHP
8 8 (6.02%) C#
8 8 (6.02%) Java 8
9 6 (4.51%) ES8
10 3 (2.26%) Python
11 1 (0.75%) Perl
11 1 (0.75%) Shell Script
Qualifications
1 11 (8.27%) Degree
2 4 (3.01%) Computer Science Degree
2 4 (3.01%) Master's Degree
3 1 (0.75%) Numerate Degree
Quality Assurance & Compliance
1 3 (2.26%) QA
System Software
1 50 (37.59%) Docker
Systems Management
1 38 (28.57%) Marathon
1 38 (28.57%) Mesos
2 6 (4.51%) Opscode Chef
2 6 (4.51%) Terraform
3 1 (0.75%) Kubernetes
Vendors
1 3 (2.26%) Cypress Semiconductor
2 1 (0.75%) AppDynamics
2 1 (0.75%) F5
2 1 (0.75%) Microsoft
2 1 (0.75%) Splunk
2 1 (0.75%) Spotify
2 1 (0.75%) Twitter