The following table provides summary statistics for permanent job vacancies advertised in Staffordshire with a requirement for Haskell skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Haskell over the 3 months to 29 June 2017 with a comparison to the same period in the previous 2 years.

Haskell
West Midlands > Staffordshire
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank 60 74 56
Rank change year-on-year +14 -18  
Permanent jobs citing Haskell 1 7 14
As % of all permanent IT jobs advertised in Staffordshire 0.19% 1.01% 2.24%
As % of the Programming Languages category 0.32% 1.58% 3.77%
Number of salaries quoted 1 7 14
Staffordshire median annual salary £65,000 £67,500 £72,500
Median salary % change year-on-year -3.70% -6.89%  
10th Percentile £62,500 £52,000 £45,750
90th Percentile £67,500 £71,750 £90,000
West Midlands median annual salary £67,500 £67,500 £72,500
% change year-on-year - -6.89%  

Haskell is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in Staffordshire with a requirement for programming language skills.

Programming Language Skills
Staffordshire
Permanent job vacancies with a requirement for programming language skills 312 443 371
As % of all permanent IT job vacancies advertised in Staffordshire 58.98% 63.83% 59.46%
Number of salaries quoted 568 1196 858
Staffordshire median annual salary £37,500 £37,500 £40,000
Median salary % change year-on-year - -6.25%  
10th Percentile £22,350 £21,250 £26,950
90th Percentile £55,000 £66,750 £52,500
West Midlands median annual salary £40,000 £37,500 £37,500
% change year-on-year +6.66% -  

Haskell
Job Vacancy Trend in Staffordshire

Job postings citing Haskell as a percentage of all IT jobs advertised in Staffordshire.

Job vacancy trend for Haskell in Staffordshire

Haskell
Salary Trend in Staffordshire

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Haskell in Staffordshire.

Salary trend for Haskell in Staffordshire

For the 6 months to 29 June 2017, IT jobs citing Haskell also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the Staffordshire region with a requirement for Haskell.

1 5 (100.00%) C#
1 5 (100.00%) Java
1 5 (100.00%) TCP/IP
1 5 (100.00%) Internet
1 5 (100.00%) Middleware
1 5 (100.00%) Erlang
1 5 (100.00%) Multithreading
1 5 (100.00%) Clojure
1 5 (100.00%) Multithreaded Programming
2 4 (80.00%) Open Source
2 4 (80.00%) .NET
2 4 (80.00%) Linux
2 4 (80.00%) Software Engineering
3 3 (60.00%) Mathematics
3 3 (60.00%) Physics
3 3 (60.00%) Computer Science
3 3 (60.00%) Low Latency
3 3 (60.00%) Functional Programming
3 3 (60.00%) Data Structures
3 3 (60.00%) Algorithms
3 3 (60.00%) F#
3 3 (60.00%) Complexity Analysis
4 2 (40.00%) Scala
4 2 (40.00%) Go
5 1 (20.00%) OOP
5 1 (20.00%) OO
5 1 (20.00%) Unix
5 1 (20.00%) C++
5 1 (20.00%) NoSQL
5 1 (20.00%) High Availability

Haskell
Co-occurring IT Skills in Staffordshire 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:

Communications & Networking
1 5 (100.00%) Internet
1 5 (100.00%) TCP/IP
Database & Business Intelligence
1 1 (20.00%) NoSQL
1 1 (20.00%) Riak
Job Titles
1 2 (40.00%) Developer
1 2 (40.00%) Linux Developer
1 2 (40.00%) Programmer
2 1 (20.00%) C# Developer
2 1 (20.00%) Java Developer
2 1 (20.00%) Lead Programmer
2 1 (20.00%) Lead Software Engineer
2 1 (20.00%) Open Source Developer
2 1 (20.00%) Software Engineer
Libraries, Frameworks & Software Standards
1 5 (100.00%) Middleware
2 4 (80.00%) .NET
Miscellaneous
1 3 (60.00%) Algorithms
1 3 (60.00%) Computer Science
1 3 (60.00%) Data Structures
2 1 (20.00%) Enterprise Software
Operating Systems
1 4 (80.00%) Linux
2 1 (20.00%) Unix
Processes & Methodologies
1 5 (100.00%) Multithreaded Programming
1 5 (100.00%) Multithreading
2 4 (80.00%) Open Source
2 4 (80.00%) Software Engineering
3 3 (60.00%) Complexity Analysis
3 3 (60.00%) Functional Programming
3 3 (60.00%) Low Latency
3 3 (60.00%) Mathematics
3 3 (60.00%) Physics
4 1 (20.00%) High Availability
4 1 (20.00%) OO
4 1 (20.00%) OOP
Programming Languages
1 5 (100.00%) C#
1 5 (100.00%) Clojure
1 5 (100.00%) Erlang
1 5 (100.00%) Java
2 3 (60.00%) F#
3 2 (40.00%) Go
3 2 (40.00%) Scala
4 1 (20.00%) C++