The following table provides summary statistics for contract job vacancies advertised in Leeds with a requirement for Cryptography skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Cryptography over the 3 months to 28 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.

Cryptography (Cryptology)
3 months to
28 Mar 2017
Same period 2016 Same period 2015
Rank - 93 85
Contract jobs citing Cryptography 0 5 5
As % of all contract IT jobs advertised in Leeds - 0.35% 0.42%
As % of the Processes & Methodologies category - 0.41% 0.49%
Number of daily rates quoted 0 5 2
Median daily rate - £388 £273
Median daily rate % change year-on-year - +42.20%  
UK excluding London median daily rate £550 £500 £348
% change year-on-year +10.00% +43.67%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £48.75 - £52.50

Cryptography is in the process and methodology skills category. The next table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in Leeds with a requirement for process and methodology skills.

Contract Process & Methodology Skills
Leeds
Contract job vacancies with a requirement for process and methodology skills 870 1231 1026
As % of all contract IT job vacancies advertised in Leeds 85.80% 85.25% 87.10%
Number of daily rates quoted 591 874 687
Median daily rate £400 £410 £375
Median daily rate % change year-on-year -2.43% +9.33%  
90% offered a daily rate of more than £300 £310 £260
10% offered a daily rate of more than £550 £600 £475
UK excluding London median daily rate £410 £400 £396
% change year-on-year +2.50% +1.01%  
Number of hourly rates quoted 6 20 17
Median hourly rate £15.86 £13.00 £18.00
Median hourly rate % change year-on-year +22.00% -27.77%  
90% offered a hourly rate of more than £12.38 £10.20 £12.94
10% offered a hourly rate of more than £40.00 £19.46 £35.00
UK excluding London median hourly rate £36.00 £38.50 £30.20
% change year-on-year -6.49% +27.48%  

Cryptography
Job Vacancy Trend in Leeds

The job posting trend of jobs advertised in Leeds citing Cryptography as a proportion of all contract or permanent IT jobs with a match in the Processes & Methodologies category.

Job vacancy trend for Cryptography in Leeds

Cryptography
Contractor Daily Rate Trend in Leeds

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

Contractor daily rate trend for Cryptography in Leeds

For the 6 months to 28 March 2017, IT contractor jobs citing Cryptography 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 Leeds region with a requirement for Cryptography.

1 1 (100.00%) XML
1 1 (100.00%) HTTP
1 1 (100.00%) Apple
1 1 (100.00%) Agile Software Development
1 1 (100.00%) TDD
1 1 (100.00%) Automated Testing
1 1 (100.00%) Software Engineering
1 1 (100.00%) Animation
1 1 (100.00%) JSON
1 1 (100.00%) Continuous Integration
1 1 (100.00%) Multithreading
1 1 (100.00%) iPhone
1 1 (100.00%) RESTful
1 1 (100.00%) Core Animation
1 1 (100.00%) Memory Management
1 1 (100.00%) Apple iOS
1 1 (100.00%) iOS Development
1 1 (100.00%) Data Structures
1 1 (100.00%) Algorithms
1 1 (100.00%) Apple Swift
1 1 (100.00%) Code Optimisation
1 1 (100.00%) Core Data

Cryptography
Co-occurring IT Skills in Leeds 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 1 (100.00%) HTTP
Job Titles
1 1 (100.00%) Developer
1 1 (100.00%) iOS Developer
Libraries, Frameworks & Software Standards
1 1 (100.00%) Core Animation
1 1 (100.00%) Core Data
1 1 (100.00%) JSON
1 1 (100.00%) RESTful
1 1 (100.00%) XML
Miscellaneous
1 1 (100.00%) Algorithms
1 1 (100.00%) Animation
1 1 (100.00%) Data Structures
1 1 (100.00%) iPhone
Operating Systems
1 1 (100.00%) Apple iOS
Processes & Methodologies
1 1 (100.00%) Agile Software Development
1 1 (100.00%) Automated Testing
1 1 (100.00%) Code Optimisation
1 1 (100.00%) Continuous Integration
1 1 (100.00%) iOS Development
1 1 (100.00%) Memory Management
1 1 (100.00%) Multithreading
1 1 (100.00%) Software Engineering
1 1 (100.00%) TDD
Programming Languages
1 1 (100.00%) Apple Swift
Vendors
1 1 (100.00%) Apple