Period
to 5 July 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 5 July 2020 with a comparison to the same period in the previous 2 years.

Enzyme JavaScript Testing Utility
UK
6 months to
5 Jul 2020
Same period 2019 Same period 2018
Rank 644 963 1027
Rank change year-on-year +319 +64 +122
Permanent jobs citing Enzyme 204 149 198
As % of all permanent jobs advertised in the UK 0.26% 0.10% 0.11%
As % of the Libraries, Frameworks & Software Standards category 0.65% 0.27% 0.27%
Number of salaries quoted 204 121 188
Median annual salary £68,000 £62,500 £60,000
Median salary % change year-on-year +8.80% +4.17% -14.29%
10th Percentile £42,500 £42,500 £32,000
90th Percentile £90,000 £82,500 £83,750
UK excluding London median annual salary £50,000 £50,000 £42,500
% change year-on-year - +17.65% -

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 31,523 56,000 72,009
As % of all permanent IT jobs advertised in the UK 39.99% 38.01% 40.46%
Number of salaries quoted 26,008 46,130 60,146
Median annual salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00% +5.26%
10th Percentile £33,750 £31,250 £31,250
90th Percentile £91,250 £86,250 £80,000
UK excluding London median annual salary £47,500 £45,000 £45,000
% change year-on-year +5.56% - +5.88%

Enzyme
Job Vacancy Trend

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

Job vacancy trend for Enzyme in the UK

Enzyme
Salary Trend

3-month moving average salary quoted in jobs citing Enzyme.

Salary trend for Enzyme in the UK

Enzyme
Salary Histogram

Salary distribution for jobs citing Enzyme over the 6 months to 5 July 2020.

Salary histogram for Enzyme in the UK

Enzyme
Top 15 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 5 July 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 +324 196 £68,000 +11.02% 12
London +219 141 £75,000 +11.11% 7
UK excluding London +225 58 £50,000 - 5
South West +136 26 £55,000 -44.16%
Work from Home +62 25 £60,000 -
North of England +138 10 £45,000 -25.00% 1
East of England +104 8 £57,500 +35.29%
Midlands +126 5 £45,000 - 1
South East +124 5 £70,000 +40.00% 3
West Midlands +98 5 £45,000 - 1
North West +103 4 £39,375 -34.38% 1
North East - 4 £45,000 -
Yorkshire +115 2 £46,500 -22.50%
Scotland +77 2 £49,500 -31.72%
Wales - 2 £41,250 -

For the 6 months to 5 July 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.

1 194 (95.10%) Jest
2 168 (82.35%) JavaScript
3 142 (69.61%) React
4 133 (65.20%) Agile Software Development
5 100 (49.02%) Redux
6 87 (42.65%) Node.js
7 86 (42.16%) CSS
8 83 (40.69%) Front End Development
9 78 (38.24%) TDD
10 75 (36.76%) webpack
11 65 (31.86%) Git (software)
11 65 (31.86%) HTML
12 64 (31.37%) Sass
13 57 (27.94%) AngularJS
14 55 (26.96%) TypeScript
15 53 (25.98%) Unit Testing
16 51 (25.00%) Mocha
17 49 (24.02%) DevOps
18 46 (22.55%) HTML5
18 46 (22.55%) ES6
18 46 (22.55%) User Experience
19 45 (22.06%) Finance
20 43 (21.08%) Jasmine
20 43 (21.08%) CSS3
21 37 (18.14%) Docker
22 36 (17.65%) Continuous Integration
23 34 (16.67%) Mentoring
24 32 (15.69%) Scrum
25 31 (15.20%) BDD
25 31 (15.20%) Express

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 5 (2.45%) WordPress
2 3 (1.47%) Apache Solr
3 2 (0.98%) CMS
3 2 (0.98%) Drupal
3 2 (0.98%) Ethereum
3 2 (0.98%) GemFire
3 2 (0.98%) NServiceBus
3 2 (0.98%) Oracle SOA Suite
3 2 (0.98%) Sitecore CMS
4 1 (0.49%) Apache
4 1 (0.49%) Confluence
4 1 (0.49%) JBoss
4 1 (0.49%) Tomcat
Applications
1 16 (7.84%) Chatbot
2 12 (5.88%) Photoshop
3 10 (4.90%) InVision
3 10 (4.90%) Sketch
3 10 (4.90%) Zeplin
4 1 (0.49%) Adobe Illustrator
Business Applications
1 2 (0.98%) Distributed Ledger
Cloud Services
1 30 (14.71%) AWS
2 25 (12.25%) Azure
3 12 (5.88%) GitHub
4 9 (4.41%) npm
5 8 (3.92%) SaaS
5 8 (3.92%) Serverless
6 5 (2.45%) Amazon S3
6 5 (2.45%) AWS CloudFormation
6 5 (2.45%) Cloud Computing
6 5 (2.45%) Cloudflare
6 5 (2.45%) GCP
7 3 (1.47%) DigitalOcean
8 2 (0.98%) Heroku
9 1 (0.49%) Google Analytics
9 1 (0.49%) Yarn
Communications & Networking
1 7 (3.43%) Internet
2 2 (0.98%) Reverse Proxy
3 1 (0.49%) HTTP
Database & Business Intelligence
1 19 (9.31%) MongoDB
2 16 (7.84%) Hadoop
3 14 (6.86%) Redis
4 12 (5.88%) NoSQL
4 12 (5.88%) SQL Server
5 11 (5.39%) CouchDB
6 10 (4.90%) MySQL
7 9 (4.41%) Apache Cassandra
7 9 (4.41%) SQL Server Integration Services
8 7 (3.43%) MariaDB
8 7 (3.43%) PostgreSQL
8 7 (3.43%) Relational Database
9 6 (2.94%) Blockchain
10 5 (2.45%) Amazon DynamoDB
11 2 (0.98%) HBase
12 1 (0.49%) Big Data
12 1 (0.49%) JasperReports
Development Applications
1 75 (36.76%) webpack
2 65 (31.86%) Git (software)
3 51 (25.00%) Mocha
4 43 (21.08%) Jasmine
5 26 (12.75%) CircleCI
6 21 (10.29%) Babel
7 19 (9.31%) Cypress.io
7 19 (9.31%) Octopus Deploy
8 16 (7.84%) Bitbucket
8 16 (7.84%) Grunt
9 15 (7.35%) Jenkins
10 12 (5.88%) Selenium
10 12 (5.88%) Visual Studio Team System
11 11 (5.39%) JsTestDriver
11 11 (5.39%) NUnit
12 10 (4.90%) TeamCity
13 9 (4.41%) Karma Test Runner
14 8 (3.92%) git-flow
14 8 (3.92%) JIRA
15 7 (3.43%) gulp
General
1 45 (22.06%) Finance
2 28 (13.73%) Retail
3 19 (9.31%) Banking
4 11 (5.39%) Games
5 2 (0.98%) Military
5 2 (0.98%) Publishing
5 2 (0.98%) Retail Banking
6 1 (0.49%) Advertising
6 1 (0.49%) Automotive
6 1 (0.49%) Electronics
6 1 (0.49%) Financial Institution
6 1 (0.49%) Legal
6 1 (0.49%) Manufacturing
6 1 (0.49%) Marketing
6 1 (0.49%) Public Sector
6 1 (0.49%) Telecoms
Job Titles
1 130 (63.73%) Developer
2 74 (36.27%) Front End Developer (Client-Side Developer)
3 52 (25.49%) React Developer
4 40 (19.61%) Senior Developer
5 32 (15.69%) Senior Front-End Developer
6 31 (15.20%) JavaScript Developer
7 28 (13.73%) Full Stack Developer
8 23 (11.27%) JavaScript Engineer
8 23 (11.27%) Senior React Developer
9 9 (4.41%) Data Engineer
10 5 (2.45%) AWS DevOps
10 5 (2.45%) AWS DevOps Engineer
10 5 (2.45%) AWS Engineer
10 5 (2.45%) DevOps Engineer
10 5 (2.45%) Software Engineer
10 5 (2.45%) Technical Leader
10 5 (2.45%) Web Developer
11 4 (1.96%) QA Engineer
12 3 (1.47%) Technical Team Leader
12 3 (1.47%) Test Engineer
Libraries, Frameworks & Software Standards
1 194 (95.10%) Jest
2 142 (69.61%) React
3 100 (49.02%) Redux
4 87 (42.65%) Node.js
5 86 (42.16%) CSS
6 65 (31.86%) HTML
7 64 (31.37%) Sass
8 57 (27.94%) AngularJS
9 46 (22.55%) HTML5
10 43 (21.08%) CSS3
11 31 (15.20%) Express
12 28 (13.73%) REST
13 27 (13.24%) LESS
14 26 (12.75%) Next.js
15 25 (12.25%) React Native
16 23 (11.27%) Semantic UI
17 17 (8.33%) Twitter Bootstrap
18 16 (7.84%) Natural Language Processing
19 12 (5.88%) Ajax
19 12 (5.88%) RESTful
Miscellaneous
1 46 (22.55%) User Experience
2 25 (12.25%) Mobile App
3 19 (9.31%) Analytical Skills
3 19 (9.31%) Greenfield Project
4 11 (5.39%) Self-Motivation
5 8 (3.92%) Enterprise Software
6 5 (2.45%) Cloud Native
7 2 (0.98%) Bitcoin
7 2 (0.98%) e-Learning
7 2 (0.98%) Hedge funds
7 2 (0.98%) Smartphone
7 2 (0.98%) W3C
8 1 (0.49%) Mobile Banking
8 1 (0.49%) Social Media
Operating Systems
1 21 (10.29%) Unix
2 18 (8.82%) Linux
3 7 (3.43%) Android
4 4 (1.96%) Apple iOS
5 3 (1.47%) Windows
6 2 (0.98%) Debian
6 2 (0.98%) Ubuntu
6 2 (0.98%) Windows Server
Processes & Methodologies
1 133 (65.20%) Agile Software Development
2 83 (40.69%) Front End Development
3 78 (38.24%) TDD
4 53 (25.98%) Unit Testing
5 49 (24.02%) DevOps
6 36 (17.65%) Continuous Integration
7 34 (16.67%) Mentoring
8 32 (15.69%) Scrum
9 31 (15.20%) BDD
10 28 (13.73%) Software Engineering
11 25 (12.25%) Fintech
12 19 (9.31%) OO
13 18 (8.82%) Artificial Intelligence
14 17 (8.33%) Digital Banking
15 16 (7.84%) Conversational UI
15 16 (7.84%) Machine Learning
15 16 (7.84%) Neural Network
15 16 (7.84%) Test Automation
15 16 (7.84%) Web Development
16 15 (7.35%) ATDD
Programming Languages
1 168 (82.35%) JavaScript
2 55 (26.96%) TypeScript
3 46 (22.55%) ES6
4 27 (13.24%) Java
5 26 (12.75%) Python
6 19 (9.31%) SQL
7 13 (6.37%) PHP
8 8 (3.92%) C#
8 8 (3.92%) Kotlin
9 7 (3.43%) Go
10 5 (2.45%) Apple Swift
10 5 (2.45%) Objective-C
11 3 (1.47%) C
11 3 (1.47%) C++
11 3 (1.47%) ES7
12 2 (0.98%) Bash Shell
12 2 (0.98%) Java 8
12 2 (0.98%) PowerShell
12 2 (0.98%) Scala
12 2 (0.98%) T-SQL
Qualifications
1 13 (6.37%) Security Cleared
2 7 (3.43%) DV Cleared
3 4 (1.96%) Degree
4 3 (1.47%) Computer Science Degree
Quality Assurance & Compliance
1 20 (9.80%) QA
System Software
1 37 (18.14%) Docker
2 2 (0.98%) Virtual Machines
2 2 (0.98%) VMware Infrastructure
2 2 (0.98%) Xen
Systems Management
1 25 (12.25%) Ansible
2 8 (3.92%) Terraform
3 7 (3.43%) Kubernetes
4 5 (2.45%) Opscode Chef
5 3 (1.47%) Docker Swarm
5 3 (1.47%) Rundeck
Vendors
1 17 (8.33%) Atlassian
2 16 (7.84%) Oracle
3 9 (4.41%) Microsoft
3 9 (4.41%) Tableau
4 3 (1.47%) hybris
5 2 (0.98%) CA Agile Central
5 2 (0.98%) Sitecore
5 2 (0.98%) VMware
6 1 (0.49%) Google
6 1 (0.49%) Remedy
6 1 (0.49%) SAP