Period
to 21 February 2018

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 21 February 2018 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
21 Feb 2018
Same period 2017 Same period 2016
Rank 13 9 20
Rank change year-on-year -4 +11 0
Contract jobs citing JavaScript 83 82 60
As % of all contract IT jobs advertised in East London 10.32% 11.23% 7.34%
As % of the Programming Languages category 24.70% 26.97% 21.13%
Number of daily rates quoted 66 65 44
East London median daily rate £519 £425 £400
Median daily rate % change year-on-year +22.06% +6.25% +14.29%
10th Percentile £413 £263 £291
90th Percentile £625 £610 £543
London median daily rate £500 £450 £425
% change year-on-year +11.11% +5.88% +3.03%
Number of hourly rates quoted 2 3 3
East London median hourly rate £43.40 £45.00 £50.00
Median hourly rate % change year-on-year -3.57% -10.00% +25.00%
10th Percentile £39.99 £37.50 £47.50
90th Percentile £47.80 £47.50 £52.50
London median hourly rate £27.00 £42.50 £32.10
% change year-on-year -36.47% +32.42% +10.67%

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 336 304 284
As % of all contract IT jobs advertised in East London 41.79% 41.64% 34.76%
Number of daily rates quoted 275 223 208
East London median daily rate £525 £500 £450
Median daily rate % change year-on-year +5.00% +11.11% -
10th Percentile £353 £300 £286
90th Percentile £650 £650 £638
London median daily rate £500 £475 £450
% change year-on-year +5.26% +5.56% +2.86%
Number of hourly rates quoted 11 6 14
East London median hourly rate £20.60 £41.25 £40.00
Median hourly rate % change year-on-year -50.06% +3.13% +37.93%
10th Percentile £17.75 £13.26 £13.50
90th Percentile £47.50 £47.50 £52.50
London median hourly rate £33.77 £42.00 £29.64
% change year-on-year -19.60% +41.70% +3.10%

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 21 February 2018.

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 21 February 2018. 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 +2 42 £575 +15.00%
Docklands, London -6 9 £525 -2.33%
Redbridge - 2 £400 -
JavaScript
London

For the 6 months to 21 February 2018, 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 43 (51.81%) Agile Software Development
2 32 (38.55%) Finance
2 32 (38.55%) HTML
3 31 (37.35%) Java
4 30 (36.14%) C#
4 30 (36.14%) SQL
5 28 (33.73%) Python
5 28 (33.73%) Software Engineering
6 27 (32.53%) Scrum
7 25 (30.12%) CSS
7 25 (30.12%) Git (software)
8 24 (28.92%) Linux
9 23 (27.71%) Amazon AWS
10 21 (25.30%) AngularJS
11 19 (22.89%) TDD
12 17 (20.48%) NoSQL
12 17 (20.48%) jQuery
12 17 (20.48%) Web Development
13 16 (19.28%) Continuous Integration
13 16 (19.28%) MongoDB
13 16 (19.28%) Machine Learning
13 16 (19.28%) .NET
14 15 (18.07%) SQL Server
14 15 (18.07%) HTML5
14 15 (18.07%) Open Source
14 15 (18.07%) Computer Science
14 15 (18.07%) DevOps
14 15 (18.07%) Apache Spark
15 14 (16.87%) User Experience
15 14 (16.87%) Docker

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 15 (18.07%) Apache Spark
2 14 (16.87%) Apache
3 13 (15.66%) Elasticsearch
4 11 (13.25%) Apache Pig
5 4 (4.82%) Apache Solr
6 3 (3.61%) Adobe Experience Manager
6 3 (3.61%) CMS
7 2 (2.41%) Confluence
7 2 (2.41%) Oracle SOA Suite
8 1 (1.20%) IIS
8 1 (1.20%) JBoss
8 1 (1.20%) Jetty
8 1 (1.20%) SharePoint
8 1 (1.20%) SharePoint 2010
8 1 (1.20%) Tomcat
8 1 (1.20%) WebLogic
8 1 (1.20%) WebSphere
8 1 (1.20%) WildFly
Applications
1 4 (4.82%) Chatbot
2 2 (2.41%) Adobe Illustrator
2 2 (2.41%) InVision
Cloud Services
1 23 (27.71%) Amazon AWS
2 12 (14.46%) Microsoft Azure
3 9 (10.84%) Serverless
4 7 (8.43%) Amazon SQS
4 7 (8.43%) AWS Lambda
5 6 (7.23%) AWS CloudFormation
6 4 (4.82%) Amazon EC2
6 4 (4.82%) Dialogflow
7 2 (2.41%) GitHub
7 2 (2.41%) Heroku
7 2 (2.41%) PaaS
8 1 (1.20%) Amazon Kinesis
8 1 (1.20%) AWS Elastic Beanstalk
8 1 (1.20%) IaaS
8 1 (1.20%) Salesforce Service Cloud
Database & Business Intelligence
1 17 (20.48%) NoSQL
2 16 (19.28%) MongoDB
3 15 (18.07%) SQL Server
4 14 (16.87%) Big Data
5 13 (15.66%) PostgreSQL
6 11 (13.25%) Apache Cassandra
6 11 (13.25%) Apache Hive
6 11 (13.25%) Hadoop
7 8 (9.64%) MySQL
8 7 (8.43%) Amazon DynamoDB
8 7 (8.43%) HBase
8 7 (8.43%) Redis
9 5 (6.02%) Blockchain
9 5 (6.02%) Data Mining
9 5 (6.02%) Data Warehouse
10 4 (4.82%) Impala
10 4 (4.82%) MarkLogic
10 4 (4.82%) Relational Database
10 4 (4.82%) Riak
11 2 (2.41%) Oracle Database
Development Applications
1 25 (30.12%) Git (software)
2 10 (12.05%) Grunt
2 10 (12.05%) Jenkins
3 9 (10.84%) Babel
3 9 (10.84%) Cucumber
3 9 (10.84%) Jasmine
3 9 (10.84%) Subversion
3 9 (10.84%) Visual Studio
3 9 (10.84%) webpack
4 8 (9.64%) Selenium
4 8 (9.64%) Team Foundation Server
5 7 (8.43%) NUnit
5 7 (8.43%) Visual Studio Team System
6 6 (7.23%) Appium
6 6 (7.23%) ReSharper
6 6 (7.23%) SpecFlow
7 5 (6.02%) JUnit
8 4 (4.82%) Mockito
9 3 (3.61%) JIRA
9 3 (3.61%) Mercurial
General
1 32 (38.55%) Finance
2 13 (15.66%) Banking
3 11 (13.25%) Retail
4 10 (12.05%) Marketing
5 5 (6.02%) Investment Banking
6 4 (4.82%) Games
7 3 (3.61%) Front Office
8 1 (1.20%) Back Office
8 1 (1.20%) Financial Institution
8 1 (1.20%) Law
8 1 (1.20%) Telecoms
Job Titles
1 56 (67.47%) Developer
2 15 (18.07%) Senior Developer
3 11 (13.25%) JavaScript Developer
4 10 (12.05%) C# Developer
5 9 (10.84%) Web Developer
6 7 (8.43%) Big Data Engineer
6 7 (8.43%) C# Software Developer
6 7 (8.43%) Data Engineer
6 7 (8.43%) HTML Developer
6 7 (8.43%) Senior C# Developer
6 7 (8.43%) Senior C# Software Developer
6 7 (8.43%) Senior Software Developer
6 7 (8.43%) Software Developer
6 7 (8.43%) WPF Developer
7 6 (7.23%) Agile C# Developer
7 6 (7.23%) Agile Developer
7 6 (7.23%) Data Analytics Engineer
7 6 (7.23%) DevOps Engineer
7 6 (7.23%) Lead Developer
7 6 (7.23%) Senior Agile Developer
Libraries, Frameworks & Software Standards
1 32 (38.55%) HTML
2 25 (30.12%) CSS
3 21 (25.30%) AngularJS
4 17 (20.48%) jQuery
5 16 (19.28%) .NET
6 15 (18.07%) HTML5
7 14 (16.87%) Node.js
8 13 (15.66%) React Native
9 12 (14.46%) Kafka
10 11 (13.25%) ASP.NET
10 11 (13.25%) MXNet
10 11 (13.25%) Sass
10 11 (13.25%) TensorFlow
10 11 (13.25%) Theano
11 10 (12.05%) React
12 9 (10.84%) ASP.NET MVC
12 9 (10.84%) REST
13 8 (9.64%) Entity Framework
13 8 (9.64%) Natural Language Processing
13 8 (9.64%) Ruby on Rails
Miscellaneous
1 15 (18.07%) Computer Science
2 14 (16.87%) User Experience
3 12 (14.46%) Algorithms
4 11 (13.25%) Linux Command Line
5 7 (8.43%) Mobile App
6 6 (7.23%) Greenfield Project
7 5 (6.02%) Analytical Skills
7 5 (6.02%) Derivative
8 4 (4.82%) Fintech
8 4 (4.82%) Replication
9 3 (3.61%) Data Structures
9 3 (3.61%) Equity Derivative
9 3 (3.61%) Virtual Team
10 2 (2.41%) Foreign Exchange (FX)
10 2 (2.41%) N-Tier
11 1 (1.20%) Credit Risk
11 1 (1.20%) Enterprise Software
11 1 (1.20%) Equities
11 1 (1.20%) Fixed Income
Operating Systems
1 24 (28.92%) Linux
2 8 (9.64%) Android
2 8 (9.64%) Apple iOS
3 7 (8.43%) Nucleus RTOS
3 7 (8.43%) Windows
4 6 (7.23%) Windows Phone
5 5 (6.02%) Unix
6 4 (4.82%) CentOS
6 4 (4.82%) Red Hat Enterprise Linux
Processes & Methodologies
1 43 (51.81%) Agile Software Development
2 28 (33.73%) Software Engineering
3 27 (32.53%) Scrum
4 19 (22.89%) TDD
5 17 (20.48%) Web Development
6 16 (19.28%) Continuous Integration
6 16 (19.28%) Machine Learning
7 15 (18.07%) DevOps
7 15 (18.07%) Open Source
8 14 (16.87%) Data Science
8 14 (16.87%) Test Automation
9 12 (14.46%) Analytics
9 12 (14.46%) MVC
10 11 (13.25%) MapReduce
10 11 (13.25%) OO
11 10 (12.05%) BDD
11 10 (12.05%) Project Management
12 9 (10.84%) IT Governance
12 9 (10.84%) Microservices
12 9 (10.84%) Supplier Management
Programming Languages
1 31 (37.35%) Java
2 30 (36.14%) C#
2 30 (36.14%) SQL
3 28 (33.73%) Python
4 14 (16.87%) C
5 13 (15.66%) ES6
6 12 (14.46%) Scala
7 11 (13.25%) ES7
8 9 (10.84%) Ruby
9 8 (9.64%) C++
9 8 (9.64%) Go
10 5 (6.02%) TypeScript
11 4 (4.82%) Bash Shell
11 4 (4.82%) Perl
11 4 (4.82%) R
11 4 (4.82%) T-SQL
12 2 (2.41%) Objective-C
12 2 (2.41%) PL/SQL
13 1 (1.20%) PHP
13 1 (1.20%) PowerShell
Qualifications
1 12 (14.46%) Degree
2 7 (8.43%) Master's Degree
3 4 (4.82%) PMP
4 2 (2.41%) ISEB
4 2 (2.41%) ISTQB
5 1 (1.20%) BPSS Clearance
5 1 (1.20%) Security Cleared
Quality Assurance & Compliance
1 13 (15.66%) QA
2 7 (8.43%) GDPR
3 1 (1.20%) Data Quality
System Software
1 14 (16.87%) Docker
2 7 (8.43%) Apache Flume
3 4 (4.82%) Active Directory
4 1 (1.20%) Virtual Machines
4 1 (1.20%) VMware Infrastructure
Systems Management
1 7 (8.43%) Kubernetes
2 6 (7.23%) Terraform
3 4 (4.82%) Hadoop YARN
4 2 (2.41%) Kibana
5 1 (1.20%) Ansible
5 1 (1.20%) ITRS Geneos
5 1 (1.20%) logstash
5 1 (1.20%) Nagios
5 1 (1.20%) Opscode Chef
5 1 (1.20%) Puppet
Vendors
1 9 (10.84%) Microsoft
2 7 (8.43%) Alteryx
2 7 (8.43%) Talend
3 5 (6.02%) Adobe
4 4 (4.82%) Oracle
5 3 (3.61%) IBM
6 2 (2.41%) Atlassian
6 2 (2.41%) ServiceNow
6 2 (2.41%) Sybase
6 2 (2.41%) Tableau
6 2 (2.41%) Twitter
7 1 (1.20%) AppDynamics
7 1 (1.20%) DevExpress
7 1 (1.20%) Dynatrace
7 1 (1.20%) Infragistics
7 1 (1.20%) Salesforce Marketing Cloud
7 1 (1.20%) Salesforce.com
7 1 (1.20%) Sitecore
7 1 (1.20%) Splunk
7 1 (1.20%) VMware