The following table provides summary statistics for contract job vacancies advertised in 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 26 March 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.

3 months to
26 Mar 2017
Same period 2016 Same period 2015
Haskell
England / London
Rank 396 419 406
Rank change year-on-year +23 -13  
Contract jobs citing Haskell 10 17 13
As % of all contract IT jobs advertised in London 0.052% 0.077% 0.061%
As % of the Programming Languages category 0.11% 0.18% 0.15%
Number of daily rates quoted 9 16 9
Median daily rate £550 £583 £418
Median daily rate % change year-on-year -5.57% +39.52%  
90% offered a daily rate of more than £470 £425 £383
10% offered a daily rate of more than £650 £700 £650
UK excluding London median daily rate £531 - -
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate - £11.00 -

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 London with a requirement for programming language skills.

Contract Programming Language Skills
London
Contract job vacancies with a requirement for programming language skills 8852 9398 8872
As % of all contract IT job vacancies advertised in London 45.99% 42.45% 41.86%
Number of daily rates quoted 6581 7042 6416
Median daily rate £485 £475 £450
Median daily rate % change year-on-year +2.10% +5.55%  
90% offered a daily rate of more than £350 £325 £310
10% offered a daily rate of more than £625 £625 £600
UK excluding London median daily rate £390 £375 £350
% change year-on-year +4.00% +7.14%  
Number of hourly rates quoted 72 55 46
Median hourly rate £45.00 £32.50 £25.80
Median hourly rate % change year-on-year +38.46% +25.96%  
90% offered a hourly rate of more than £27.86 £17.50 £19.83
10% offered a hourly rate of more than £55.00 £52.50 £53.50
UK excluding London median hourly rate £41.64 £40.00 £36.00
% change year-on-year +4.10% +11.11%  

Haskell
Job Vacancy Trend in London

The job posting trend of jobs advertised in 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 London

Haskell
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Haskell in London

Haskell
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Haskell in London over the 3 months to 26 March 2017.

Contractor daily rate histogram for Haskell in London

Haskell
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Haskell within the London region over the 3 months to 26 March 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Contract
IT Job Ads
Median
Daily Rate
Last 3 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +6 3 £650 +4.83% 1
Haskell
England

Haskell
Top 30 Related IT Skills in London

For the 6 months to 26 March 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 London region with a requirement for Haskell.

1 23 (76.67%) Java
2 22 (73.33%) Scala
3 19 (63.33%) Agile Software Development
4 14 (46.67%) Finance
4 14 (46.67%) Functional Programming
5 13 (43.33%) Apache Spark
5 13 (43.33%) Clojure
5 13 (43.33%) Scrum
6 12 (40.00%) Front Office
7 11 (36.67%) Banking
7 11 (36.67%) Investment Banking
7 11 (36.67%) Derivative
7 11 (36.67%) Concurrent Programming
8 10 (33.33%) Apache Cassandra
8 10 (33.33%) Hadoop
8 10 (33.33%) Big Data
9 9 (30.00%) Analytics
9 9 (30.00%) Mathematics
10 8 (26.67%) Market Risk
10 8 (26.67%) Multithreading
10 8 (26.67%) TDD
10 8 (26.67%) Software Engineering
10 8 (26.67%) Equities
10 8 (26.67%) Risk Management
10 8 (26.67%) Foreign Exchange (FX)
10 8 (26.67%) Docker
11 7 (23.33%) Apache Pig
12 6 (20.00%) DevOps
12 6 (20.00%) JavaScript
13 5 (16.67%) Data Warehouse

Haskell
Top Related IT Skills in 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 13 (43.33%) Apache Spark
2 7 (23.33%) Apache Pig
3 3 (10.00%) Tomcat
4 1 (3.33%) Apache
4 1 (3.33%) Apache Airflow
4 1 (3.33%) DataSynapse
Cloud Services
1 4 (13.33%) Amazon AWS
2 3 (10.00%) Amazon EC2
3 1 (3.33%) Amazon Kinesis
3 1 (3.33%) AWS Lambda
Database & Business Intelligence
1 10 (33.33%) Apache Cassandra
1 10 (33.33%) Big Data
1 10 (33.33%) Hadoop
2 5 (16.67%) Data Lake
2 5 (16.67%) Data Warehouse
3 3 (10.00%) MySQL
3 3 (10.00%) NoSQL
4 2 (6.67%) Apache Hive
4 2 (6.67%) InfluxDB
5 1 (3.33%) Amazon Redshift
5 1 (3.33%) Blockchain
5 1 (3.33%) Hazelcast
5 1 (3.33%) HBase
Development Applications
1 3 (10.00%) Git (software)
2 2 (6.67%) Grunt
2 2 (6.67%) gulp
2 2 (6.67%) Maven
General
1 14 (46.67%) Finance
2 12 (40.00%) Front Office
3 11 (36.67%) Banking
3 11 (36.67%) Investment Banking
4 2 (6.67%) Advertising
Job Titles
1 23 (76.67%) Developer
2 20 (66.67%) Java Developer
3 14 (46.67%) Senior Developer
4 13 (43.33%) Senior Java Developer
5 8 (26.67%) Market Risk Developer
5 8 (26.67%) Market Risk Java Developer
5 8 (26.67%) Senior Market Risk Java Developer
6 3 (10.00%) Electronic Trading Developer
6 3 (10.00%) Electronic Trading Java Developer
6 3 (10.00%) Front Office Developer
7 2 (6.67%) Agile Developer
7 2 (6.67%) Agile Java Developer
7 2 (6.67%) Engineering Manager
7 2 (6.67%) Scala Developer
7 2 (6.67%) Scala Software Engineer
7 2 (6.67%) Senior Agile Developer
7 2 (6.67%) Senior Agile Java Developer
7 2 (6.67%) Senior Software Engineer
7 2 (6.67%) Software Engineer
7 2 (6.67%) Software Manager
Libraries, Frameworks & Software Standards
1 5 (16.67%) REST
2 3 (10.00%) Akka
2 3 (10.00%) Hibernate
2 3 (10.00%) J2EE
2 3 (10.00%) Node.js
2 3 (10.00%) Scalaz
2 3 (10.00%) Spring
3 2 (6.67%) AngularJS
3 2 (6.67%) CSS
3 2 (6.67%) HTML
4 1 (3.33%) D3.js
4 1 (3.33%) LESS
4 1 (3.33%) MLlib
4 1 (3.33%) Pandas
4 1 (3.33%) React
4 1 (3.33%) Redux
4 1 (3.33%) Sass
4 1 (3.33%) scikit-learn
4 1 (3.33%) TensorFlow
Miscellaneous
1 11 (36.67%) Derivative
2 8 (26.67%) Equities
2 8 (26.67%) Foreign Exchange (FX)
2 8 (26.67%) Market Risk
3 4 (13.33%) Computer Science
4 3 (10.00%) Fixed Income
5 2 (6.67%) Fintech
6 1 (3.33%) Algorithms
6 1 (3.33%) Bitcoin
6 1 (3.33%) Clustering
6 1 (3.33%) Grid Computing
Operating Systems
1 1 (3.33%) Linux
1 1 (3.33%) Windows
1 1 (3.33%) Windows Server
Processes & Methodologies
1 19 (63.33%) Agile Software Development
2 14 (46.67%) Functional Programming
3 13 (43.33%) Scrum
4 11 (36.67%) Concurrent Programming
5 9 (30.00%) Analytics
5 9 (30.00%) Mathematics
6 8 (26.67%) Multithreading
6 8 (26.67%) Risk Management
6 8 (26.67%) Software Engineering
6 8 (26.67%) TDD
7 6 (20.00%) DevOps
8 5 (16.67%) BDD
9 3 (10.00%) Continuous Deployment
9 3 (10.00%) Continuous Integration
9 3 (10.00%) Electronic Trading
9 3 (10.00%) Low Latency
9 3 (10.00%) Mentoring
9 3 (10.00%) Microservices
9 3 (10.00%) Physics
9 3 (10.00%) Unit Testing
Programming Languages
1 23 (76.67%) Java
2 22 (73.33%) Scala
3 13 (43.33%) Clojure
4 6 (20.00%) JavaScript
5 4 (13.33%) Go
5 4 (13.33%) ML
5 4 (13.33%) Python
5 4 (13.33%) SQL
6 2 (6.67%) Erlang
6 2 (6.67%) F#
6 2 (6.67%) MATLAB
6 2 (6.67%) R
6 2 (6.67%) Rust
7 1 (3.33%) C
7 1 (3.33%) Embedded C
7 1 (3.33%) ES6
7 1 (3.33%) Groovy
7 1 (3.33%) Kotlin
7 1 (3.33%) Lisp
7 1 (3.33%) OCaml
Qualifications
1 4 (13.33%) Degree
2 1 (3.33%) PhD
System Software
1 8 (26.67%) Docker
2 1 (3.33%) Firmware
Systems Management
1 5 (16.67%) Puppet
2 3 (10.00%) Kubernetes
Vendors
1 3 (10.00%) Atlassian
2 1 (3.33%) Snowplow