The following table provides summary statistics for contract job vacancies advertised in Hertfordshire with a requirement for Ada skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Ada over the 3 months to 29 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.

Ada
East of England > Hertfordshire
3 months to
29 Jun 2017
Same period 2016 Same period 2015
Rank - 59 74
Contract jobs citing Ada 0 1 2
As % of all contract IT jobs advertised in Hertfordshire - 0.15% 0.22%
As % of the Programming Languages category - 0.51% 0.66%
Number of daily rates quoted 0 0 1
Hertfordshire median daily rate - - £300
East of England median daily rate £360 £51 £300
% change year-on-year +608.94% -83.07%  
Number of hourly rates quoted 0 1 1
Hertfordshire median hourly rate - £50.00 £43.50
Median hourly rate % change year-on-year - +14.94%  
East of England median hourly rate - £50.78 £47.40
% change year-on-year - +7.13%  

Ada 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 Hertfordshire with a requirement for programming language skills.

Contract Programming Language Skills
Hertfordshire
Contract job vacancies with a requirement for programming language skills 252 198 304
As % of all contract IT job vacancies advertised in Hertfordshire 39.38% 29.55% 33.93%
Number of daily rates quoted 366 189 332
Hertfordshire median daily rate £425 £388 £350
Median daily rate % change year-on-year +9.67% +10.71%  
10th Percentile £300 £263 £269
90th Percentile £520 £495 £500
East of England median daily rate £425 £375 £350
% change year-on-year +13.33% +7.14%  
Number of hourly rates quoted 15 23 40
Hertfordshire median hourly rate £20.76 £50.00 £32.50
Median hourly rate % change year-on-year -58.49% +53.84%  
10th Percentile £15.00 £15.00 £19.79
90th Percentile £50.40 £53.75 £40.53
East of England median hourly rate £40.00 £37.00 £37.50
% change year-on-year +8.10% -1.33%  

Ada
Job Vacancy Trend in Hertfordshire

Job postings citing Ada as a percentage of all IT jobs advertised in Hertfordshire.

Job vacancy trend for Ada in Hertfordshire

Ada
Contractor Hourly Rate Trend in Hertfordshire

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Ada in Hertfordshire.

Contractor hourly rate trend for Ada in Hertfordshire

For the 6 months to 29 June 2017, IT contractor jobs citing Ada 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 Hertfordshire region with a requirement for Ada.

1 6 (100.00%) MATLAB
1 6 (100.00%) Simulink
1 6 (100.00%) UML
1 6 (100.00%) Software Engineering
1 6 (100.00%) Integration Testing
1 6 (100.00%) Rational DOORS
1 6 (100.00%) Rational Rhapsody
1 6 (100.00%) Ada 95
2 5 (83.33%) Configuration Management
2 5 (83.33%) Yourdon
3 2 (33.33%) SC Cleared
3 2 (33.33%) Security Cleared
4 1 (16.67%) Linux
4 1 (16.67%) GDB
4 1 (16.67%) Serena
4 1 (16.67%) Wireshark

Ada
Co-occurring IT Skills in Hertfordshire 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:

Applications
1 6 (100.00%) Simulink
Communications & Networking
1 1 (16.67%) Wireshark
Development Applications
1 6 (100.00%) Rational DOORS
1 6 (100.00%) Rational Rhapsody
2 1 (16.67%) GDB
Job Titles
1 6 (100.00%) Software Engineer
2 5 (83.33%) Ada Engineer
2 5 (83.33%) Ada Software Engineer
Operating Systems
1 1 (16.67%) Linux
Processes & Methodologies
1 6 (100.00%) Integration Testing
1 6 (100.00%) Software Engineering
1 6 (100.00%) UML
2 5 (83.33%) Configuration Management
2 5 (83.33%) Yourdon
Programming Languages
1 6 (100.00%) Ada 95
1 6 (100.00%) MATLAB
Qualifications
1 2 (33.33%) SC Cleared
1 2 (33.33%) Security Cleared
Vendors
1 1 (16.67%) Serena