Period
to 13 November 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 13 November 2019 with a comparison to the same period in the previous 2 years.

Enzyme JavaScript Testing Utility
UK
6 months to
13 Nov 2019
Same period 2018 Same period 2017
Rank 829 1000 1121
Rank change year-on-year +171 +121 +106
Permanent jobs citing Enzyme 233 154 77
As % of all permanent IT jobs advertised in the UK 0.17% 0.095% 0.043%
As % of the Libraries, Frameworks & Software Standards category 0.45% 0.24% 0.11%
Number of salaries quoted 167 115 72
UK median annual salary £62,500 £67,500 £70,000
Median salary % change year-on-year -7.41% -3.57% +55.56%
10th Percentile £45,000 £40,000 £45,125
90th Percentile £93,750 £92,500 £85,000
UK excluding London median annual salary £61,250 £47,500 £55,000
% change year-on-year +28.95% -13.64% +29.41%

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 52,151 64,918 72,201
As % of all permanent IT jobs advertised in the UK 37.91% 39.86% 40.21%
Number of salaries quoted 43,078 53,674 59,956
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 £29,500
90th Percentile £87,500 £83,750 £77,500
UK excluding London median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% +1.47%

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 13 November 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 13 November 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 +166 214 £62,500 -10.71% 21
London +103 128 £65,000 -13.33% 13
UK excluding London +144 105 £61,250 +28.95% 10
South East +92 59 £70,000 +16.67% 2
South West +18 17 £62,500 +92.31% 5
Scotland +45 16 £72,500 +107.14% 2
North West +40 7 £60,000 +14.29%
North of England +23 7 £60,000 +14.29%
Midlands +40 3 £50,000 +11.11% 1
Wales +9 3 £40,000 -
West Midlands +18 2 £50,000 +11.11% 1
East Midlands - 1 - -

For the 6 months to 13 November 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.

1 190 (81.55%) JavaScript
2 179 (76.82%) React
3 176 (75.54%) Jest
4 130 (55.79%) Agile Software Development
5 125 (53.65%) Git (software)
6 114 (48.93%) Scrum
7 112 (48.07%) webpack
8 104 (44.64%) ES6
9 100 (42.92%) Microservices
10 99 (42.49%) TDD
11 98 (42.06%) Docker
11 98 (42.06%) Redux
12 90 (38.63%) HTML
13 83 (35.62%) Node.js
14 80 (34.33%) CSS
15 76 (32.62%) Redis
16 74 (31.76%) JIRA
16 74 (31.76%) Front End Development
17 73 (31.33%) Kafka
18 69 (29.61%) Confluence
18 69 (29.61%) Java
19 65 (27.90%) Retail
20 62 (26.61%) ES7
21 59 (25.32%) Babel
21 59 (25.32%) Unit Testing
22 56 (24.03%) DevOps
22 56 (24.03%) Selenium
23 52 (22.32%) Spring
23 52 (22.32%) Azure
23 52 (22.32%) Cucumber

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 69 (29.61%) Confluence
2 21 (9.01%) CMS
3 17 (7.30%) Drupal
3 17 (7.30%) Sitecore CMS
3 17 (7.30%) WordPress
4 16 (6.87%) SugarCRM
5 8 (3.43%) Apache Solr
6 3 (1.29%) Apache
6 3 (1.29%) Headless CMS
7 1 (0.43%) Apache Spark
7 1 (0.43%) ColdFusion
7 1 (0.43%) Elasticsearch
7 1 (0.43%) SAS
Applications
1 7 (3.00%) Photoshop
2 2 (0.86%) Sketch
3 1 (0.43%) Mingle
Cloud Services
1 52 (22.32%) Azure
2 37 (15.88%) AWS
3 20 (8.58%) GCP
4 14 (6.01%) npm
5 8 (3.43%) SaaS
6 6 (2.58%) GitHub
6 6 (2.58%) Slack
7 5 (2.15%) Google Analytics
8 4 (1.72%) Serverless
9 1 (0.43%) Amazon SQS
9 1 (0.43%) Cloud Computing
9 1 (0.43%) Heroku
9 1 (0.43%) Yarn
Communications & Networking
1 7 (3.00%) HTTP
Database & Business Intelligence
1 76 (32.62%) Redis
2 51 (21.89%) PostgreSQL
3 50 (21.46%) MongoDB
4 24 (10.30%) NoSQL
5 23 (9.87%) Apache Cassandra
5 23 (9.87%) CouchDB
6 10 (4.29%) SQL Server
6 10 (4.29%) SQL Server Integration Services
7 7 (3.00%) Amazon DynamoDB
7 7 (3.00%) Hadoop
8 6 (2.58%) MySQL
9 5 (2.15%) Blockchain
10 3 (1.29%) JasperReports
11 2 (0.86%) Big Data
Development Applications
1 125 (53.65%) Git (software)
2 112 (48.07%) webpack
3 74 (31.76%) JIRA
4 59 (25.32%) Babel
5 56 (24.03%) Selenium
6 52 (22.32%) Cucumber
7 49 (21.03%) Jenkins
8 43 (18.45%) Mocha
9 41 (17.60%) Jasmine
10 36 (15.45%) Octopus Deploy
11 29 (12.45%) Visual Studio Team System
12 28 (12.02%) NUnit
13 27 (11.59%) Karma Test Runner
14 21 (9.01%) gulp
15 20 (8.58%) CircleCI
16 14 (6.01%) Grunt
17 10 (4.29%) TeamCity
18 9 (3.86%) JsTestDriver
19 8 (3.43%) WebDriver
20 7 (3.00%) Visual Studio
General
1 65 (27.90%) Retail
2 36 (15.45%) Finance
3 16 (6.87%) Front Office
4 7 (3.00%) Marketing
5 5 (2.15%) Games
6 4 (1.72%) Legal
7 3 (1.29%) Advertising
7 3 (1.29%) Electronics
7 3 (1.29%) Manufacturing
7 3 (1.29%) Public Sector
7 3 (1.29%) Telecoms
8 2 (0.86%) Publishing
9 1 (0.43%) Law
Job Titles
1 160 (68.67%) Developer
2 84 (36.05%) React Developer
3 58 (24.89%) Front End Developer (Client-Side Developer)
4 41 (17.60%) JavaScript Developer
5 38 (16.31%) Software Engineer
6 37 (15.88%) Senior Developer
7 34 (14.59%) UI Developer
8 23 (9.87%) Full Stack Developer
9 17 (7.30%) C# Developer
10 16 (6.87%) Senior Front-End Developer
11 15 (6.44%) Senior Software Engineer
12 14 (6.01%) JavaScript Engineer
12 14 (6.01%) Senior React Developer
12 14 (6.01%) UI Engineer
13 11 (4.72%) Development Engineer
13 11 (4.72%) Software Development Engineer
14 10 (4.29%) Data Engineer
14 10 (4.29%) Principal Engineer
15 9 (3.86%) Software Developer
16 8 (3.43%) DevOps Engineer
Libraries, Frameworks & Software Standards
1 179 (76.82%) React
2 176 (75.54%) Jest
3 98 (42.06%) Redux
4 90 (38.63%) HTML
5 83 (35.62%) Node.js
6 80 (34.33%) CSS
7 73 (31.33%) Kafka
8 52 (22.32%) Spring
9 50 (21.46%) Sass
10 44 (18.88%) HTML5
11 40 (17.17%) Chai
12 39 (16.74%) AngularJS
13 36 (15.45%) CSS3
14 35 (15.02%) RESTful
15 34 (14.59%) .NET
16 29 (12.45%) Web Services
17 28 (12.02%) .NET Framework
18 24 (10.30%) RabbitMQ
19 21 (9.01%) ASP.NET Web API
20 20 (8.58%) .NET Core
Miscellaneous
1 21 (9.01%) User Experience
2 15 (6.44%) Greenfield Project
3 11 (4.72%) Analytical Skills
4 10 (4.29%) iPad
4 10 (4.29%) Self-Motivation
5 8 (3.43%) Algorithms
5 8 (3.43%) Enterprise Software
6 7 (3.00%) Mobile App
7 3 (1.29%) PlayStation
7 3 (1.29%) Xbox
8 2 (0.86%) Foreign Exchange (FX)
8 2 (0.86%) Linux Command Line
9 1 (0.43%) Analytical Mindset
9 1 (0.43%) Data Structures
9 1 (0.43%) e-Learning
9 1 (0.43%) Equities
9 1 (0.43%) Video\Live Streaming
9 1 (0.43%) Virtual Team
Operating Systems
1 10 (4.29%) Linux
2 8 (3.43%) Unix
3 1 (0.43%) Android
3 1 (0.43%) Apple iOS
Processes & Methodologies
1 130 (55.79%) Agile Software Development
2 114 (48.93%) Scrum
3 100 (42.92%) Microservices
4 99 (42.49%) TDD
5 74 (31.76%) Front End Development
6 59 (25.32%) Unit Testing
7 56 (24.03%) DevOps
8 51 (21.89%) BDD
9 50 (21.46%) Burndown Charts
9 50 (21.46%) Planning Poker
9 50 (21.46%) Sprint Planning
10 43 (18.45%) Continuous Integration
11 40 (17.17%) Kanban
12 39 (16.74%) Software Engineering
13 37 (15.88%) Technology Roadmap
14 31 (13.30%) OO
15 28 (12.02%) E-Commerce
16 26 (11.16%) Deployment Automation
16 26 (11.16%) Mentoring
16 26 (11.16%) Scaled Agile Framework
Programming Languages
1 190 (81.55%) JavaScript
2 104 (44.64%) ES6
3 69 (29.61%) Java
4 62 (26.61%) ES7
5 31 (13.30%) C#
6 25 (10.73%) TypeScript
7 22 (9.44%) SQL
8 17 (7.30%) Python
9 14 (6.01%) PHP
10 13 (5.58%) ES8
11 11 (4.72%) Kotlin
12 8 (3.43%) Scala
13 6 (2.58%) Java 8
14 4 (1.72%) XAML
15 3 (1.29%) C
15 3 (1.29%) Groovy
16 2 (0.86%) Go
16 2 (0.86%) JSX
16 2 (0.86%) Ruby
17 1 (0.43%) C++
Qualifications
1 22 (9.44%) Degree
2 15 (6.44%) Computer Science Degree
3 3 (1.29%) DV Cleared
3 3 (1.29%) Security Cleared
Quality Assurance & Compliance
1 16 (6.87%) QA
System Software
1 98 (42.06%) Docker
Systems Management
1 50 (21.46%) Marathon
1 50 (21.46%) Mesos
2 41 (17.60%) Kubernetes
3 23 (9.87%) Ansible
4 19 (8.15%) Docker Swarm
4 19 (8.15%) Terraform
5 1 (0.43%) Opscode Chef
Vendors
1 20 (8.58%) hybris
2 17 (7.30%) Sitecore
3 13 (5.58%) Google
4 10 (4.29%) Tableau
5 7 (3.00%) Microsoft
6 5 (2.15%) Cypress Semiconductor
7 4 (1.72%) Atlassian
7 4 (1.72%) DevExpress
7 4 (1.72%) Oracle
8 3 (1.29%) Adobe
8 3 (1.29%) SAP
9 2 (0.86%) Apple
10 1 (0.43%) Spotify