The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Haskell skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Haskell over the 3 months to 22 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.

Haskell
London / City of London
3 months to
22 Jun 2017
Same period 2016 Same period 2015
Rank 164 165 -
Rank change year-on-year +1 -  
Contract jobs citing Haskell 1 4 0
As % of all contract IT jobs advertised in the City of London 0.030% 0.12% -
As % of the Programming Languages category 0.059% 0.24% -
Number of daily rates quoted 1 3 0
Median daily rate £600 £675 -
Median daily rate % change year-on-year -11.11% -  
UK excluding London median daily rate £488 £405 -
% change year-on-year +20.55% -  
Number of hourly rates quoted 0 1 0
Median hourly rate - £80.00 -
UK excluding London median hourly rate - - -

Haskell 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 1699 1650 2497
As % of all contract IT job vacancies advertised in the City of London 51.55% 48.47% 42.96%
Number of daily rates quoted 1363 1407 2061
Median daily rate £510 £475 £463
Median daily rate % change year-on-year +7.36% +2.70%  
90% offered a daily rate of more than £363 £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 5 22
Median hourly rate £21.50 £44.00 £24.23
Median hourly rate % change year-on-year -51.13% +81.59%  
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 £37.00 £36.00
% change year-on-year +14.86% +2.77%  

Haskell
Job Vacancy Trend in the City of London

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

Job vacancy trend for Haskell in the City of London

Haskell
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 Haskell in the City of London.

Contractor daily rate trend for Haskell in the City of London

For the 6 months to 22 June 2017, IT contractor jobs citing Haskell 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 Haskell.

1 4 (100.00%) Java
1 4 (100.00%) Agile Software Development
1 4 (100.00%) Scala
2 3 (75.00%) Functional Programming
3 2 (50.00%) Greenfield Project
3 2 (50.00%) Concurrent Programming
3 2 (50.00%) Banking
3 2 (50.00%) Spring
3 2 (50.00%) Investment Banking
3 2 (50.00%) Derivative
3 2 (50.00%) Docker
3 2 (50.00%) DevOps
3 2 (50.00%) Microservices
3 2 (50.00%) Apache Spark
3 2 (50.00%) Clojure
3 2 (50.00%) Mathematics
3 2 (50.00%) Front Office
3 2 (50.00%) Finance
4 1 (25.00%) Hibernate
4 1 (25.00%) Scrum
4 1 (25.00%) Fixed Income
4 1 (25.00%) Equities
4 1 (25.00%) Risk Management
4 1 (25.00%) JMeter
4 1 (25.00%) JavaScript
4 1 (25.00%) J2EE
4 1 (25.00%) CSS
4 1 (25.00%) Web Services
4 1 (25.00%) Tomcat
4 1 (25.00%) Data Warehouse

Haskell
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:

Application Platforms
1 2 (50.00%) Apache Spark
2 1 (25.00%) Apache Pig
2 1 (25.00%) Tomcat
Cloud Services
1 1 (25.00%) Amazon AWS
1 1 (25.00%) Amazon EC2
Database & Business Intelligence
1 1 (25.00%) Apache Cassandra
1 1 (25.00%) Big Data
1 1 (25.00%) Data Lake
1 1 (25.00%) Data Warehouse
1 1 (25.00%) Hadoop
1 1 (25.00%) NoSQL
Development Applications
1 1 (25.00%) Git (software)
1 1 (25.00%) JMeter
General
1 2 (50.00%) Banking
1 2 (50.00%) Finance
1 2 (50.00%) Front Office
1 2 (50.00%) Investment Banking
Job Titles
1 4 (100.00%) Developer
1 4 (100.00%) Java Developer
2 2 (50.00%) Senior Developer
2 2 (50.00%) Senior Java Developer
3 1 (25.00%) Agile Developer
3 1 (25.00%) Agile Java Developer
3 1 (25.00%) Developer/Software Engineer
3 1 (25.00%) Electronic Trading Developer
3 1 (25.00%) Electronic Trading Java Developer
3 1 (25.00%) Front Office Developer
3 1 (25.00%) Java Engineer
3 1 (25.00%) Java Software Developer
3 1 (25.00%) Java Software Engineer
3 1 (25.00%) Market Risk Developer
3 1 (25.00%) Market Risk Java Developer
3 1 (25.00%) Senior Market Risk Java Developer
3 1 (25.00%) Software Engineer
Libraries, Frameworks & Software Standards
1 2 (50.00%) Spring
2 1 (25.00%) Apache Wicket
2 1 (25.00%) CSS
2 1 (25.00%) CSS3
2 1 (25.00%) Hibernate
2 1 (25.00%) HTML
2 1 (25.00%) HTML5
2 1 (25.00%) J2EE
2 1 (25.00%) JSON
2 1 (25.00%) Node.js
2 1 (25.00%) REST
2 1 (25.00%) RESTful
2 1 (25.00%) Spring Boot
2 1 (25.00%) Twitter Bootstrap
2 1 (25.00%) Web Services
Miscellaneous
1 2 (50.00%) Derivative
1 2 (50.00%) Greenfield Project
2 1 (25.00%) Computer Science
2 1 (25.00%) Data Structures
2 1 (25.00%) Equities
2 1 (25.00%) Fixed Income
2 1 (25.00%) Foreign Exchange (FX)
2 1 (25.00%) Market Risk
Processes & Methodologies
1 4 (100.00%) Agile Software Development
2 3 (75.00%) Functional Programming
3 2 (50.00%) Concurrent Programming
3 2 (50.00%) DevOps
3 2 (50.00%) Mathematics
3 2 (50.00%) Microservices
4 1 (25.00%) Analytics
4 1 (25.00%) BDD
4 1 (25.00%) Electronic Trading
4 1 (25.00%) Loose Coupling
4 1 (25.00%) Low Latency
4 1 (25.00%) Mentoring
4 1 (25.00%) Multithreading
4 1 (25.00%) Performance Analysis
4 1 (25.00%) Physics
4 1 (25.00%) Risk Management
4 1 (25.00%) Scrum
4 1 (25.00%) Software Engineering
4 1 (25.00%) TDD
Programming Languages
1 4 (100.00%) Java
1 4 (100.00%) Scala
2 2 (50.00%) Clojure
3 1 (25.00%) Go
3 1 (25.00%) JavaScript
Qualifications
1 1 (25.00%) Degree
System Software
1 2 (50.00%) Docker
Systems Management
1 1 (25.00%) Kubernetes
1 1 (25.00%) Puppet
Vendors
1 1 (25.00%) Atlassian