The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Erlang skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Erlang over the 3 months to 24 June 2017 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.

Erlang
London / City of London
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 165 160 206
Rank change year-on-year -5 +46  
Contract jobs citing Erlang 1 5 2
As % of all contract IT jobs advertised in the City of London 0.031% 0.15% 0.034%
As % of the Programming Languages category 0.059% 0.30% 0.080%
Number of daily rates quoted 1 4 2
Median daily rate £650 £475 £738
Median daily rate % change year-on-year +36.84% -35.59%  
UK excluding London median daily rate £410 £625 £488
% change year-on-year -34.40% +28.20%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - - -

Erlang is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for programming language skills.

Contract Programming Language Skills
City of London
Contract job vacancies with a requirement for programming language skills 1686 1643 2490
As % of all contract IT job vacancies advertised in the City of London 51.62% 48.57% 42.78%
Number of daily rates quoted 1355 1406 2053
Median daily rate £513 £475 £463
Median daily rate % change year-on-year +7.89% +2.70%  
90% offered a daily rate of more than £375 £325 £320
10% offered a daily rate of more than £650 £625 £625
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 4 4 22
Median hourly rate £21.50 £53.00 £24.23
Median hourly rate % change year-on-year -59.43% +118.73%  
90% offered a hourly rate of more than £16.25 £19.00 £19.72
10% offered a hourly rate of more than £31.25 £80.00 £54.00
UK excluding London median hourly rate £42.50 £37.50 £36.50
% change year-on-year +13.33% +2.73%  

Erlang
Job Vacancy Trend in the City of London

The job posting trend of jobs advertised in the City of London citing Erlang as a proportion of all contract or permanent IT jobs with a match in the Programming Languages category.

Job vacancy trend for Erlang in the City of London

Erlang
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Erlang in the City of London.

Contractor daily rate trend for Erlang in the City of London

For the 6 months to 24 June 2017, IT contractor jobs citing Erlang also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for Erlang.

1 1 (100.00%) C#
1 1 (100.00%) HTML
1 1 (100.00%) Java
1 1 (100.00%) JavaScript
1 1 (100.00%) PHP
1 1 (100.00%) CSS
1 1 (100.00%) Python
1 1 (100.00%) E-Commerce
1 1 (100.00%) Objective-C
1 1 (100.00%) Software Engineering
1 1 (100.00%) Ruby
1 1 (100.00%) Ruby on Rails
1 1 (100.00%) Velocity
1 1 (100.00%) jQuery
1 1 (100.00%) F#
1 1 (100.00%) RESTful
1 1 (100.00%) Scala
1 1 (100.00%) CouchDB
1 1 (100.00%) Amazon AWS
1 1 (100.00%) HTML5
1 1 (100.00%) MongoDB
1 1 (100.00%) Apache Cassandra
1 1 (100.00%) Amazon SQS
1 1 (100.00%) Node.js
1 1 (100.00%) Modernizr
1 1 (100.00%) PhoneGap
1 1 (100.00%) AngularJS
1 1 (100.00%) Performance Tuning
1 1 (100.00%) Docker
1 1 (100.00%) Microservices

Erlang
Co-occurring IT Skills in the City of 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:

Cloud Services
1 1 (100.00%) Amazon AWS
1 1 (100.00%) Amazon SQS
Database & Business Intelligence
1 1 (100.00%) Apache Cassandra
1 1 (100.00%) CouchDB
1 1 (100.00%) MongoDB
Development Applications
1 1 (100.00%) CircleCI
Libraries, Frameworks & Software Standards
1 1 (100.00%) AngularJS
1 1 (100.00%) Browserify
1 1 (100.00%) CSS
1 1 (100.00%) HTML
1 1 (100.00%) HTML5
1 1 (100.00%) jQuery
1 1 (100.00%) Modernizr
1 1 (100.00%) Node.js
1 1 (100.00%) PhoneGap
1 1 (100.00%) Polymer
1 1 (100.00%) React
1 1 (100.00%) RequireJS
1 1 (100.00%) RESTful
1 1 (100.00%) Ruby on Rails
1 1 (100.00%) Velocity
Processes & Methodologies
1 1 (100.00%) Code Optimisation
1 1 (100.00%) Continuous Delivery
1 1 (100.00%) E-Commerce
1 1 (100.00%) Microservices
1 1 (100.00%) Performance Tuning
1 1 (100.00%) Software Engineering
Programming Languages
1 1 (100.00%) C#
1 1 (100.00%) F#
1 1 (100.00%) Java
1 1 (100.00%) JavaScript
1 1 (100.00%) Objective-C
1 1 (100.00%) PHP
1 1 (100.00%) Python
1 1 (100.00%) Ruby
1 1 (100.00%) Scala
System Software
1 1 (100.00%) Docker
Systems Management
1 1 (100.00%) Terraform