Period
to 17 September 2019

The following table provides summary statistics for permanent job vacancies with a requirement for ES8 skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited ES8 over the 6 months to 17 September 2019 with a comparison to the same period in the previous 2 years.

ECMAScript 2017 (JavaScript ES2017, ES8)
UK
6 months to
17 Sep 2019
Same period 2018 Same period 2017
Rank 1032 1126 1190
Rank change year-on-year +94 +64 -
Permanent jobs citing ES8 58 50 12
As % of all permanent IT jobs advertised in the UK 0.041% 0.030% 0.007%
As % of the Programming Languages category 0.076% 0.054% 0.012%
Number of salaries quoted 30 47 9
UK median annual salary £40,000 £45,000 £57,500
Median salary % change year-on-year -11.11% -21.74% -
10th Percentile £33,300 £35,000 £32,500
90th Percentile £75,000 £73,000 £73,500
UK excluding London median annual salary £40,000 £42,500 £35,000
% change year-on-year -5.88% +21.43% -

ES8 is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for coding skills.

All Programming Languages
UK
Permanent vacancies with a requirement for coding skills 75,885 92,985 96,976
As % of all permanent IT jobs advertised in the UK 53.49% 55.72% 55.37%
Number of salaries quoted 62,038 77,274 79,603
UK median annual salary £52,500 £50,000 £47,500
Median salary % change year-on-year +5.00% +5.26% -
10th Percentile £31,250 £31,000 £28,750
90th Percentile £85,000 £82,500 £77,500
UK excluding London median annual salary £45,000 £45,000 £42,500
% change year-on-year - +5.88% +4.94%

ES8
Job Vacancy Trend

Job postings citing ES8 as a percentage of all IT jobs advertised.

Job vacancy trend for ES8 in the UK

ES8
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing ES8.

Salary trend for ES8 in the UK

ES8
Salary Histogram

The salary distribution of IT jobs citing ES8 over the 6 months to 17 September 2019.

Salary histogram for ES8 in the UK

ES8
Top 8 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing ES8 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 +108 58 £40,000 -11.11% 8
London +119 33 £70,000 +14.29% 3
UK excluding London +33 25 £40,000 -5.88% 5
North of England - 22 £40,000 - 5
North West - 22 £40,000 - 3
South East +27 2 £47,500 +11.76%
Midlands +32 1 - -
East Midlands +22 1 - -

For the 6 months to 17 September 2019, IT jobs citing ES8 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 ES8.

1 53 (91.38%) JavaScript
2 51 (87.93%) ES6
3 49 (84.48%) React
4 48 (82.76%) Agile Software Development
5 45 (77.59%) ES7
6 34 (58.62%) Redux
7 30 (51.72%) webpack
8 25 (43.10%) Git (software)
8 25 (43.10%) JIRA
9 24 (41.38%) Front End Development
9 24 (41.38%) Node.js
10 21 (36.21%) Docker
10 21 (36.21%) Microservices
10 21 (36.21%) Scrum
11 20 (34.48%) PostgreSQL
11 20 (34.48%) Redis
11 20 (34.48%) Jest
12 19 (32.76%) Enzyme
12 19 (32.76%) Marathon
12 19 (32.76%) Mesos
12 19 (32.76%) Kafka
12 19 (32.76%) Sass
12 19 (32.76%) Jenkins
12 19 (32.76%) Retail
12 19 (32.76%) Confluence
12 19 (32.76%) Planning Poker
12 19 (32.76%) Cucumber
12 19 (32.76%) Burndown Charts
12 19 (32.76%) Sprint Planning
13 16 (27.59%) TDD

ES8
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 19 (32.76%) Confluence
2 2 (3.45%) Ethereum
Cloud Services
1 14 (24.14%) AWS
2 2 (3.45%) npm
3 1 (1.72%) AWS Lambda
3 1 (1.72%) Azure
3 1 (1.72%) Azure Data Factory
3 1 (1.72%) DigitalOcean
3 1 (1.72%) GitHub
3 1 (1.72%) SaaS
3 1 (1.72%) Serverless
Database & Business Intelligence
1 20 (34.48%) PostgreSQL
1 20 (34.48%) Redis
2 13 (22.41%) Amazon DynamoDB
3 7 (12.07%) MySQL
4 6 (10.34%) MongoDB
5 2 (3.45%) Blockchain
Development Applications
1 30 (51.72%) webpack
2 25 (43.10%) Git (software)
2 25 (43.10%) JIRA
3 19 (32.76%) Cucumber
3 19 (32.76%) Jenkins
4 14 (24.14%) Babel
5 13 (22.41%) WebDriver
6 8 (13.79%) Grunt
6 8 (13.79%) Jasmine
6 8 (13.79%) Mocha
7 6 (10.34%) Selenium
8 1 (1.72%) gulp
8 1 (1.72%) JSUnit
8 1 (1.72%) Subversion
8 1 (1.72%) Visual Studio
General
1 19 (32.76%) Retail
2 11 (18.97%) Finance
3 8 (13.79%) Banking
4 1 (1.72%) Advertising
4 1 (1.72%) Hindi Language
4 1 (1.72%) Pharmaceutical
4 1 (1.72%) Punjabi Language
4 1 (1.72%) Urdu Language
Job Titles
1 43 (74.14%) Developer
2 33 (56.90%) React Developer
3 26 (44.83%) Front End Developer (Client-Side Developer)
4 15 (25.86%) JavaScript Developer
5 14 (24.14%) Software Engineer
6 13 (22.41%) Development Engineer
6 13 (22.41%) Senior Developer
6 13 (22.41%) Software Development Engineer
6 13 (22.41%) UI Engineer
7 6 (10.34%) Developer in Test
7 6 (10.34%) Senior Software Developer
7 6 (10.34%) Software Developer
8 5 (8.62%) Senior Front-End Developer
8 5 (8.62%) Senior React Developer
9 3 (5.17%) Junior
9 3 (5.17%) Junior Developer
9 3 (5.17%) Junior Front End Developer (Client-Side Developer)
10 1 (1.72%) JavaScript Engineer
10 1 (1.72%) Senior Software Engineer
10 1 (1.72%) Web Developer
Libraries, Frameworks & Software Standards
1 49 (84.48%) React
2 34 (58.62%) Redux
3 24 (41.38%) Node.js
4 20 (34.48%) Jest
5 19 (32.76%) Enzyme
5 19 (32.76%) Kafka
5 19 (32.76%) Sass
6 15 (25.86%) CSS
6 15 (25.86%) Web Services
7 13 (22.41%) WebdriverIO
8 11 (18.97%) AngularJS
9 9 (15.52%) HTML
9 9 (15.52%) Twitter Bootstrap
10 8 (13.79%) Ajax
10 8 (13.79%) Chai
10 8 (13.79%) LESS
10 8 (13.79%) Semantic UI
10 8 (13.79%) Vue.js
11 6 (10.34%) JSON
11 6 (10.34%) Spring Boot
Miscellaneous
1 8 (13.79%) Social Network
2 7 (12.07%) Algorithms
3 3 (5.17%) User Experience
4 2 (3.45%) Mobile App
5 1 (1.72%) Greenfield Project
Operating Systems
1 1 (1.72%) Linux
Processes & Methodologies
1 48 (82.76%) Agile Software Development
2 24 (41.38%) Front End Development
3 21 (36.21%) Microservices
3 21 (36.21%) Scrum
4 19 (32.76%) Burndown Charts
4 19 (32.76%) Planning Poker
4 19 (32.76%) Sprint Planning
5 16 (27.59%) TDD
6 13 (22.41%) Scrum-ban
7 12 (20.69%) API Testing
8 8 (13.79%) Asset Management
8 8 (13.79%) Continuous Improvement
8 8 (13.79%) Machine Learning
8 8 (13.79%) Responsive Web Design
8 8 (13.79%) Robotic Automation
8 8 (13.79%) Robotic Process Automation
9 7 (12.07%) Demand Forecasting
9 7 (12.07%) Dynamic Pricing
9 7 (12.07%) Test Automation
10 6 (10.34%) BDD
Programming Languages
1 53 (91.38%) JavaScript
2 51 (87.93%) ES6
3 45 (77.59%) ES7
4 7 (12.07%) PHP
5 6 (10.34%) Java
5 6 (10.34%) Java 8
6 2 (3.45%) C#
6 2 (3.45%) SQL
6 2 (3.45%) TypeScript
7 1 (1.72%) Haskell
7 1 (1.72%) Ruby
Quality Assurance & Compliance
1 1 (1.72%) GDPR
1 1 (1.72%) SLA
System Software
1 21 (36.21%) Docker
Systems Management
1 19 (32.76%) Marathon
1 19 (32.76%) Mesos
2 1 (1.72%) Kubernetes
Vendors
1 1 (1.72%) Apple
1 1 (1.72%) Facebook
1 1 (1.72%) PagerDuty