Period
to 22 January 2019

The following table provides summary statistics for contract job vacancies advertised in East London with a requirement for JavaScript skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited JavaScript over the 6 months to 22 January 2019 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

JavaScript (including ECMAScript)
London > East London
6 months to
22 Jan 2019
Same period 2018 Same period 2017
Rank 14 11 9
Rank change year-on-year -3 -2 +13
Contract jobs citing JavaScript 128 92 78
As % of all contract IT jobs advertised in East London 12.67% 11.57% 11.19%
As % of the Programming Languages category 20.85% 26.06% 26.17%
Number of daily rates quoted 108 67 60
East London median daily rate £525 £500 £431
Median daily rate % change year-on-year +5.00% +15.94% +15.77%
10th Percentile £396 £408 £263
90th Percentile £575 £625 £603
London median daily rate £500 £488 £450
% change year-on-year +2.56% +8.33% +5.88%
Number of hourly rates quoted 0 1 4
East London median hourly rate - £39.29 £45.00
Median hourly rate % change year-on-year - -12.69% -10.00%
London median hourly rate £36.00 £26.78 £43.00
% change year-on-year +34.45% -37.73% +42.43%

JavaScript is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in East London with a requirement for coding skills.

All Programming Languages
East London
Contract vacancies with a requirement for coding skills 614 353 298
As % of all contract IT jobs advertised in East London 60.79% 44.40% 42.75%
Number of daily rates quoted 511 289 221
East London median daily rate £538 £525 £470
Median daily rate % change year-on-year +2.38% +11.70% +4.44%
10th Percentile £400 £358 £300
90th Percentile £650 £655 £645
London median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% +5.56%
Number of hourly rates quoted 8 8 9
East London median hourly rate £28.44 £20.60 £40.00
Median hourly rate % change year-on-year +38.06% -48.50% -
10th Percentile £18.00 £17.75 £13.40
90th Percentile £53.75 £41.75 £49.37
London median hourly rate £36.00 £32.50 £40.00
% change year-on-year +10.77% -18.75% +34.95%

JavaScript
Job Vacancy Trend in East London

Job postings citing JavaScript as a percentage of all IT jobs advertised in East London.

Job vacancy trend for JavaScript in East London

JavaScript
Contractor Daily Rate Trend in East London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing JavaScript in East London.

Contractor daily rate trend for JavaScript in East London

JavaScript
Contractor Daily Rate Histogram in East London

The daily rate distribution of IT jobs citing JavaScript in East London over the 6 months to 22 January 2019.

Contractor daily rate histogram for JavaScript in East London

JavaScript
Contractor Hourly Rate Trend in East London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing JavaScript in East London.

Contractor hourly rate trend for JavaScript in East London

JavaScript
Contract Job Locations in East London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing JavaScript within the East London region over the 6 months to 22 January 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
Tower Hamlets -14 54 £525 -9.68%
Docklands, London +5 31 £500 -6.54%
Redbridge -1 2 £400 -
Bexley - 2 - - 3
JavaScript
London

For the 6 months to 22 January 2019, IT contractor jobs citing JavaScript also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the East London region with a requirement for JavaScript.

1 83 (64.84%) React
2 80 (62.50%) Agile Software Development
3 58 (45.31%) HTML
4 57 (44.53%) TDD
5 56 (43.75%) Microservices
6 55 (42.97%) SQL
7 52 (40.63%) Finance
7 52 (40.63%) Node.js
8 50 (39.06%) CSS
9 48 (37.50%) Front End Development
10 47 (36.72%) Amazon AWS
11 42 (32.81%) Java
12 39 (30.47%) NoSQL
13 38 (29.69%) Redux
14 36 (28.13%) AngularJS
15 35 (27.34%) Machine Learning
16 33 (25.78%) Test Automation
17 32 (25.00%) MongoDB
17 32 (25.00%) Open Source
18 31 (24.22%) Docker
18 31 (24.22%) Python
19 30 (23.44%) JIRA
19 30 (23.44%) BDD
20 28 (21.88%) Web Development
21 27 (21.09%) Banking
22 25 (19.53%) Pandas
23 24 (18.75%) Web Services
23 24 (18.75%) Confluence
24 23 (17.97%) HTML5
25 22 (17.19%) Apache Cassandra

JavaScript
Co-occurring IT Skills in East London 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 24 (18.75%) Confluence
2 5 (3.91%) CMS
3 4 (3.13%) Ethereum
3 4 (3.13%) Hyperledger
3 4 (3.13%) NServiceBus
4 3 (2.34%) Elasticsearch
4 3 (2.34%) SharePoint
5 2 (1.56%) Apache Solr
5 2 (1.56%) Apache Spark
5 2 (1.56%) JBoss
5 2 (1.56%) SharePoint Server
6 1 (0.78%) Oracle Workflow
6 1 (0.78%) SAS
Applications
1 3 (2.34%) Microsoft Excel
2 2 (1.56%) Spreadsheet
3 1 (0.78%) Adobe Creative Suite
3 1 (0.78%) Photoshop
Business Applications
1 4 (3.13%) Distributed Ledger
1 4 (3.13%) Dynamics CRM
Cloud Services
1 47 (36.72%) Amazon AWS
2 20 (15.63%) Microsoft Azure
2 20 (15.63%) SaaS
3 10 (7.81%) Serverless
4 9 (7.03%) AWS Lambda
5 5 (3.91%) AWS Elastic Beanstalk
6 4 (3.13%) GitHub
7 3 (2.34%) Heroku
8 2 (1.56%) Amazon S3
8 2 (1.56%) Office 365
9 1 (0.78%) Amazon EC2
9 1 (0.78%) Cloud Computing
9 1 (0.78%) Dynamics 365
9 1 (0.78%) npm
Communications & Networking
1 5 (3.91%) Internet
2 2 (1.56%) HTTP
2 2 (1.56%) Kerberos
2 2 (1.56%) SSL
2 2 (1.56%) VPN
3 1 (0.78%) Firewall
3 1 (0.78%) Network Security
Database & Business Intelligence
1 39 (30.47%) NoSQL
2 32 (25.00%) MongoDB
3 22 (17.19%) Apache Cassandra
4 10 (7.81%) Relational Database
5 9 (7.03%) Blockchain
6 8 (6.25%) Parquet
7 7 (5.47%) Big Data
8 6 (4.69%) Azure SQL Database
9 4 (3.13%) MySQL
10 3 (2.34%) Amazon RDS
10 3 (2.34%) Amazon Redshift
10 3 (2.34%) Data Mining
10 3 (2.34%) Hadoop
10 3 (2.34%) HBase
10 3 (2.34%) RDBMS
10 3 (2.34%) SQL Server
11 2 (1.56%) Amazon Aurora
11 2 (1.56%) Data Lake
11 2 (1.56%) Power BI
11 2 (1.56%) Sqoop
Development Applications
1 30 (23.44%) JIRA
2 21 (16.41%) Bitbucket
3 20 (15.63%) Git (software)
3 20 (15.63%) Pylint
4 16 (12.50%) Jenkins
5 10 (7.81%) webpack
6 9 (7.03%) Visual Studio Team System
7 8 (6.25%) Cucumber
7 8 (6.25%) Jasmine
7 8 (6.25%) Selenium
7 8 (6.25%) Visual Studio
8 6 (4.69%) SonarQube
9 5 (3.91%) PostCSS
9 5 (3.91%) TeamCity
10 3 (2.34%) Octopus Deploy
11 2 (1.56%) FishEye
11 2 (1.56%) Karma Test Runner
11 2 (1.56%) WebDriver
12 1 (0.78%) Grunt
12 1 (0.78%) Mocha
General
1 52 (40.63%) Finance
2 27 (21.09%) Banking
3 13 (10.16%) Retail
4 11 (8.59%) Games
5 5 (3.91%) Back Office
6 1 (0.78%) Financial Institution
6 1 (0.78%) Front Office
6 1 (0.78%) Investment Banking
6 1 (0.78%) Legal
6 1 (0.78%) Marketing
6 1 (0.78%) Telecoms
Job Titles
1 121 (94.53%) Developer
2 43 (33.59%) React Developer
3 28 (21.88%) Front End Developer (Client-Side Developer)
4 27 (21.09%) Full Stack Developer
5 26 (20.31%) Python Developer
6 25 (19.53%) JavaScript Developer
7 24 (18.75%) Node.js Developer
8 19 (14.84%) Angular Developer
9 10 (7.81%) Senior Developer
10 9 (7.03%) Java Developer
11 7 (5.47%) Senior Full Stack Developer
12 6 (4.69%) .NET Developer
12 6 (4.69%) C# Developer
12 6 (4.69%) Senior JavaScript Developer
12 6 (4.69%) Senior Python Developer
13 5 (3.91%) Analytics Developer
13 5 (3.91%) Azure Developer
13 5 (3.91%) Digital Developer
13 5 (3.91%) Front End Java Developer (Client-Side Java Developer)
14 4 (3.13%) Blockchain Developer
Libraries, Frameworks & Software Standards
1 83 (64.84%) React
2 58 (45.31%) HTML
3 52 (40.63%) Node.js
4 50 (39.06%) CSS
5 38 (29.69%) Redux
6 36 (28.13%) AngularJS
7 25 (19.53%) Pandas
8 24 (18.75%) Web Services
9 23 (17.97%) HTML5
10 21 (16.41%) REST
10 21 (16.41%) RESTful
11 20 (15.63%) Elastic Stack
11 20 (15.63%) pytest
12 14 (10.94%) JSON
13 13 (10.16%) .NET
14 12 (9.38%) jQuery
15 9 (7.03%) Sass
15 9 (7.03%) Twitter Bootstrap
16 8 (6.25%) ASP.NET
16 8 (6.25%) CSS3
Miscellaneous
1 21 (16.41%) User Experience
2 13 (10.16%) Analytical Skills
3 11 (8.59%) Algorithms
4 8 (6.25%) Data Structures
5 7 (5.47%) Fintech
5 7 (5.47%) Greenfield Project
6 5 (3.91%) Mobile App
7 2 (1.56%) Wiki
8 1 (0.78%) Client/Server
8 1 (0.78%) Equities
8 1 (0.78%) Equity Risk
8 1 (0.78%) Foreign Exchange (FX)
8 1 (0.78%) Graphic Design
8 1 (0.78%) RIA
8 1 (0.78%) Self-Motivation
Operating Systems
1 2 (1.56%) Unix
2 1 (0.78%) Android
2 1 (0.78%) Apple iOS
2 1 (0.78%) Linux
2 1 (0.78%) Windows
Processes & Methodologies
1 80 (62.50%) Agile Software Development
2 57 (44.53%) TDD
3 56 (43.75%) Microservices
4 48 (37.50%) Front End Development
5 35 (27.34%) Machine Learning
6 33 (25.78%) Test Automation
7 32 (25.00%) Open Source
8 30 (23.44%) BDD
9 28 (21.88%) Web Development
10 20 (15.63%) Analytics
10 20 (15.63%) SDLC
10 20 (15.63%) Task Automation
11 19 (14.84%) DevOps
12 18 (14.06%) Data Science
12 18 (14.06%) Problem-Solving
12 18 (14.06%) Software Engineering
13 17 (13.28%) OO
14 12 (9.38%) Computer Science
14 12 (9.38%) Continuous Integration
15 11 (8.59%) Scrum
Programming Languages
1 55 (42.97%) SQL
2 42 (32.81%) Java
3 31 (24.22%) Python
4 18 (14.06%) ES6
5 16 (12.50%) C#
6 15 (11.72%) Java 8
6 15 (11.72%) TypeScript
7 4 (3.13%) PHP
7 4 (3.13%) Solidity
8 3 (2.34%) C
8 3 (2.34%) R
8 3 (2.34%) Scala
8 3 (2.34%) Shell Script
8 3 (2.34%) VBA
9 2 (1.56%) Bash Shell
9 2 (1.56%) Perl
9 2 (1.56%) PowerShell
10 1 (0.78%) C++
10 1 (0.78%) MATLAB
10 1 (0.78%) PL/SQL
Qualifications
1 4 (3.13%) Computer Science Degree
1 4 (3.13%) Degree
Quality Assurance & Compliance
1 5 (3.91%) QA
2 2 (1.56%) SLA
3 1 (0.78%) Section 508
3 1 (0.78%) WCAG
System Software
1 31 (24.22%) Docker
2 4 (3.13%) HDFS
Systems Management
1 8 (6.25%) Kubernetes
2 3 (2.34%) Ansible
3 2 (1.56%) Hadoop YARN
4 1 (0.78%) Kibana
Vendors
1 21 (16.41%) Splunk
2 7 (5.47%) Microsoft
3 6 (4.69%) Veracode
4 2 (1.56%) Atlassian
4 2 (1.56%) Dynatrace
4 2 (1.56%) Hortonworks
4 2 (1.56%) LexisNexis
4 2 (1.56%) MuleSoft
4 2 (1.56%) New Relic
4 2 (1.56%) Nintex
4 2 (1.56%) Oracle
4 2 (1.56%) Tableau
4 2 (1.56%) Twitter
5 1 (0.78%) Adobe
5 1 (0.78%) Salesforce.com