The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Tcl skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Tcl over the 3 months to 26 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.

Tool Command Language (Tcl)
London / City of London
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank - 163 205
Contract jobs citing Tcl 0 2 1
As % of all contract IT jobs advertised in the City of London - 0.060% 0.017%
As % of the Programming Languages category - 0.12% 0.040%
Number of daily rates quoted 0 2 1
Median daily rate - £455 £520
Median daily rate % change year-on-year - -12.50%  
UK excluding London median daily rate £338 £360 £384
% change year-on-year -6.25% -6.18%  
Number of hourly rates quoted 0 0 0
Median hourly rate - - -
UK excluding London median hourly rate £37.50 £45.00 £55.00
% change year-on-year -16.66% -18.18%  

Tcl 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 1708 1611 2495
As % of all contract IT job vacancies advertised in the City of London 51.48% 48.45% 42.96%
Number of daily rates quoted 1374 1379 2056
Median daily rate £513 £475 £463
Median daily rate % change year-on-year +7.89% +2.70%  
90% offered a daily rate of more than £375 £325 £323
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 4 22
Median hourly rate £21.50 £53.00 £24.23
Median hourly rate % change year-on-year -59.43% +118.73%  
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 £37.50 £37.00
% change year-on-year +13.33% +1.35%  

Tcl
Job Vacancy Trend in the City of London

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

Job vacancy trend for Tcl in the City of London

Tcl
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 Tcl in the City of London.

Contractor daily rate trend for Tcl in the City of London

For the 6 months to 26 June 2017, IT contractor jobs citing Tcl 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 Tcl.

1 2 (66.67%) Unix
1 2 (66.67%) F5
2 1 (33.33%) F5 BIG-IP GTM
2 1 (33.33%) Performance Monitoring
2 1 (33.33%) Analytical Skills
2 1 (33.33%) C
2 1 (33.33%) C++
2 1 (33.33%) Java
2 1 (33.33%) SQL
2 1 (33.33%) Windows
2 1 (33.33%) Linux
2 1 (33.33%) OOP
2 1 (33.33%) OO
2 1 (33.33%) LAN
2 1 (33.33%) WAN
2 1 (33.33%) HTTP
2 1 (33.33%) TCP/IP
2 1 (33.33%) SSL
2 1 (33.33%) Fidessa
2 1 (33.33%) Intranet
2 1 (33.33%) Internet
2 1 (33.33%) Extranet
2 1 (33.33%) Shell Script
2 1 (33.33%) Project Management
2 1 (33.33%) Firewall
2 1 (33.33%) Equities
2 1 (33.33%) Banking
2 1 (33.33%) BIG-IP
2 1 (33.33%) Investment Banking
2 1 (33.33%) Degree

Tcl
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:

Communications & Networking
1 1 (33.33%) BIG-IP
1 1 (33.33%) Extranet
1 1 (33.33%) F5 BIG-IP GTM
1 1 (33.33%) Firewall
1 1 (33.33%) HTTP
1 1 (33.33%) Internet
1 1 (33.33%) Intranet
1 1 (33.33%) LAN
1 1 (33.33%) SSL
1 1 (33.33%) TCP/IP
1 1 (33.33%) WAN
General
1 1 (33.33%) Banking
1 1 (33.33%) Investment Banking
Job Titles
1 1 (33.33%) Consultant
1 1 (33.33%) Developer
1 1 (33.33%) Fidessa Developer
1 1 (33.33%) Firewall Consultant
1 1 (33.33%) Project Manager
Miscellaneous
1 1 (33.33%) Analytical Skills
1 1 (33.33%) Equities
Operating Systems
1 2 (66.67%) Unix
2 1 (33.33%) Linux
2 1 (33.33%) Windows
Processes & Methodologies
1 1 (33.33%) Load Balancing
1 1 (33.33%) OO
1 1 (33.33%) OOP
1 1 (33.33%) Performance Monitoring
1 1 (33.33%) Project Management
1 1 (33.33%) Unit Testing
Programming Languages
1 1 (33.33%) C
1 1 (33.33%) C++
1 1 (33.33%) Java
1 1 (33.33%) Shell Script
1 1 (33.33%) SQL
Qualifications
1 1 (33.33%) Degree
Vendors
1 2 (66.67%) F5
2 1 (33.33%) Fidessa