The following table provides summary statistics for contract job vacancies 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 29 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.

Tool Command Language (Tcl)
UK
3 months to
29 Mar 2017
Same period 2016 Same period 2015
Rank 564 605 604
Rank change year-on-year +41 -1  
Contract jobs citing Tcl 41 43 21
As % of all contract IT jobs advertised in the UK 0.091% 0.080% 0.039%
As % of the Programming Languages category 0.22% 0.21% 0.11%
Number of daily rates quoted 26 27 16
Median daily rate £400 £400 £425
Median daily rate % change year-on-year - -5.88%  
90% offered a daily rate of more than £338 £350 £306
10% offered a daily rate of more than £538 £700 £625
UK excluding London median daily rate £390 £380 £420
% change year-on-year +2.63% -9.52%  
Number of hourly rates quoted 8 1 1
Median hourly rate £37.50 £46.20 £42.50
Median hourly rate % change year-on-year -18.83% +8.70%  
UK excluding London median hourly rate £37.50 £46.20 £42.50
% change year-on-year -18.83% +8.70%  

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 with a requirement for programming language skills.

Contract Programming Language Skills
UK
Contract job vacancies with a requirement for programming language skills 18650 20508 19874
As % of all contract IT job vacancies advertised in the UK 41.23% 38.10% 37.18%
Number of daily rates quoted 12836 14058 12875
Median daily rate £438 £425 £400
Median daily rate % change year-on-year +2.94% +6.25%  
90% offered a daily rate of more than £300 £300 £275
10% offered a daily rate of more than £600 £600 £555
UK excluding London median daily rate £388 £375 £350
% change year-on-year +3.33% +7.14%  
Number of hourly rates quoted 423 474 406
Median hourly rate £42.50 £39.25 £35.50
Median hourly rate % change year-on-year +8.28% +10.56%  
90% offered a hourly rate of more than £20.87 £15.00 £20.00
10% offered a hourly rate of more than £52.65 £50.00 £45.00
UK excluding London median hourly rate £41.50 £40.00 £36.00
% change year-on-year +3.75% +11.11%  

Tcl
Job Vacancy Trend

The job posting trend of jobs advertised 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 UK

Tcl
Contractor Daily Rate Trend

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

Contractor daily rate trend for Tcl in the UK

Tcl
Contractor Daily Rate Histogram

The daily rate distribution of IT jobs citing Tcl over the 3 months to 29 March 2017.

Contractor daily rate histogram for Tcl in the UK

Tcl
Contractor Hourly Rate Trend

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

Contractor hourly rate trend for Tcl in the UK

Tcl
Contractor Hourly Rate Histogram

The hourly rate distribution of IT jobs citing Tcl over the 3 months to 29 March 2017.

Contractor hourly rate histogram for Tcl in the UK

Tcl
Top 27 Contract Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Tcl within the UK over the 3 months to 29 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
England +32 26 £390 -2.50% 8
East of England - 13 £338 - 3
Scotland - 13 £410 -
Renfrewshire - 10 £416 -
Erskine - 10 £416 -
Cambridgeshire - 9 £338 - 2
Cambridge - 7 £338 - 2
London +15 6 £600 -5.88% 3
Hertfordshire - 4 £350 - 1
Gloucestershire +7 3 - -
South West -4 3 - -
Tewkesbury - 3 - -
Stevenage - 3 - -
South East 0 2 £475 +25.00% 2
Hampshire -1 2 £475 +25.00%
City of London -2 2 £600 +20.00% 1
Aberdeen - 2 - -
Wales - 2 - -
Monmouthshire - 2 - -
Newcastle upon Tyne - 2 £390 -
South Wales - 2 - -
North East - 2 £390 -
Ebbw Vale - 2 - -
Tyne and Wear - 2 £390 -
Andover - 2 £475 -
Hemel Hempstead - 1 £350 - 1
Glasgow - 1 £350 -

For the 6 months to 29 March 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 with a requirement for Tcl.

1 28 (46.67%) Windows
2 26 (43.33%) SQL
3 23 (38.33%) Linux
3 23 (38.33%) HTTP
4 21 (35.00%) Python
5 20 (33.33%) Java
6 15 (25.00%) Security Cleared
7 14 (23.33%) PowerShell
7 14 (23.33%) Patch Management
7 14 (23.33%) C++
7 14 (23.33%) VB
7 14 (23.33%) Unix
7 14 (23.33%) OpenView Configuration Management
8 13 (21.67%) MSI
8 13 (21.67%) REXX
8 13 (21.67%) Windows XP
8 13 (21.67%) SSL
8 13 (21.67%) Active Directory
8 13 (21.67%) Software Distribution
8 13 (21.67%) Windows 7
9 12 (20.00%) Windows Server 2008
9 12 (20.00%) Windows Server 2012
9 12 (20.00%) Windows 10
9 12 (20.00%) Windows Server
9 12 (20.00%) Virtual Infrastructure
9 12 (20.00%) Prototyping
9 12 (20.00%) HTTPS
9 12 (20.00%) Windows Server 2003
9 12 (20.00%) Configuration Management
10 11 (18.33%) C

Tcl
Co-occurring IT Skills 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 2 (3.33%) GlassFish
1 2 (3.33%) JBoss
1 2 (3.33%) Tomcat
1 2 (3.33%) WebSphere
2 1 (1.67%) IIS
2 1 (1.67%) nginx
Applications
1 3 (5.00%) AutoCAD
1 3 (5.00%) Siemens NX
2 1 (1.67%) MS Excel
Business Applications
1 3 (5.00%) Teamcenter
2 1 (1.67%) SAP Oil and Gas
Cloud Services
1 1 (1.67%) Azure Active Directory
1 1 (1.67%) Microsoft Azure
1 1 (1.67%) SaaS
Communications & Networking
1 23 (38.33%) HTTP
2 13 (21.67%) SSL
3 12 (20.00%) HTTPS
4 6 (10.00%) TCP/IP
4 6 (10.00%) Wireless
5 3 (5.00%) Ethernet
5 3 (5.00%) IPv4
5 3 (5.00%) iSCSI
6 2 (3.33%) LDAP
6 2 (3.33%) SNMP
7 1 (1.67%) BIG-IP
7 1 (1.67%) Extranet
7 1 (1.67%) F5 BIG-IP GTM
7 1 (1.67%) Firewall
7 1 (1.67%) Internet
7 1 (1.67%) Intranet
7 1 (1.67%) LAN
7 1 (1.67%) Skype
7 1 (1.67%) WAN
Database & Business Intelligence
1 4 (6.67%) Data Warehouse
1 4 (6.67%) MySQL
1 4 (6.67%) Oracle BI EE
1 4 (6.67%) Oracle BI Publisher
1 4 (6.67%) Oracle OWB
1 4 (6.67%) Oracle Reports
1 4 (6.67%) SQLPlus
2 1 (1.67%) KDB
2 1 (1.67%) Relational Database
Development Applications
1 13 (21.67%) MSI
2 5 (8.33%) Subversion
3 4 (6.67%) Oracle APEX
3 4 (6.67%) Toad
4 3 (5.00%) Atlassian Bamboo
4 3 (5.00%) Git (software)
4 3 (5.00%) Rational DOORS
5 2 (3.33%) Eclipse
5 2 (3.33%) JIRA
5 2 (3.33%) JUnit
5 2 (3.33%) NetBeans
6 1 (1.67%) Wise Package Studio
General
1 9 (15.00%) Telecoms
2 8 (13.33%) Electronics
2 8 (13.33%) Front Office
3 6 (10.00%) Finance
4 5 (8.33%) Banking
4 5 (8.33%) Investment Banking
5 2 (3.33%) Publishing
6 1 (1.67%) Aerospace
6 1 (1.67%) Financial Institution
6 1 (1.67%) Manufacturing
6 1 (1.67%) Marketing
Job Titles
1 14 (23.33%) Developer
2 6 (10.00%) Analyst
2 6 (10.00%) Embedded Engineer
2 6 (10.00%) Software Engineer
2 6 (10.00%) Software Test Engineer
2 6 (10.00%) Test Engineer
3 5 (8.33%) Java Developer
3 5 (8.33%) Senior Software Engineer
4 4 (6.67%) Audio Engineer
4 4 (6.67%) Data Warehouse Developer
4 4 (6.67%) Technical Analyst
5 3 (5.00%) Architect
5 3 (5.00%) Fidessa Developer
5 3 (5.00%) FPGA Engineer
5 3 (5.00%) Lead Architect
6 2 (3.33%) Administrator
6 2 (3.33%) Consultant
6 2 (3.33%) Linux Administrator
6 2 (3.33%) Oracle Data Warehouse Developer
6 2 (3.33%) Oracle Developer
Libraries, Frameworks & Software Standards
1 7 (11.67%) .NET
2 5 (8.33%) HTML
2 5 (8.33%) XML
2 5 (8.33%) XSL
2 5 (8.33%) XSLT
3 4 (6.67%) FIX Protocol
4 3 (5.00%) DHTML
4 3 (5.00%) Itk
4 3 (5.00%) Web Services
5 2 (3.33%) CSS
5 2 (3.33%) HTML5
5 2 (3.33%) Java RMI
5 2 (3.33%) JavaFX
5 2 (3.33%) JPA
5 2 (3.33%) jQuery
5 2 (3.33%) JSP
5 2 (3.33%) PrimeFaces
5 2 (3.33%) Servlets
5 2 (3.33%) Swing
5 2 (3.33%) XHTML
Miscellaneous
1 5 (8.33%) Analytical Skills
1 5 (8.33%) Derivative
2 4 (6.67%) Fixed Income
2 4 (6.67%) User Experience
3 3 (5.00%) Equities
3 3 (5.00%) Fat Client
3 3 (5.00%) Field-Programmable Gate Array
3 3 (5.00%) Thin Client
3 3 (5.00%) Verilog
3 3 (5.00%) VHDL
4 1 (1.67%) Fintech
4 1 (1.67%) Management Information System
Operating Systems
1 28 (46.67%) Windows
2 23 (38.33%) Linux
3 14 (23.33%) Unix
4 13 (21.67%) Windows 7
4 13 (21.67%) Windows XP
5 12 (20.00%) Windows 10
5 12 (20.00%) Windows Server
5 12 (20.00%) Windows Server 2003
5 12 (20.00%) Windows Server 2008
5 12 (20.00%) Windows Server 2012
6 2 (3.33%) Red Hat Enterprise Linux
6 2 (3.33%) Ubuntu
7 1 (1.67%) AIX
Processes & Methodologies
1 14 (23.33%) Patch Management
2 13 (21.67%) Software Distribution
3 12 (20.00%) Configuration Management
3 12 (20.00%) Prototyping
3 12 (20.00%) Virtual Infrastructure
4 10 (16.67%) Agile Software Development
5 9 (15.00%) Digital Signal Processing
5 9 (15.00%) Signal Processing
5 9 (15.00%) Test Scripting
6 7 (11.67%) Data Modelling
6 7 (11.67%) Electronic Trading
6 7 (11.67%) Workflow
7 6 (10.00%) Automated Testing
7 6 (10.00%) Software Engineering
8 5 (8.33%) Embedded Software Development
8 5 (8.33%) UML
8 5 (8.33%) User Acceptance Testing
9 4 (6.67%) Business Intelligence
9 4 (6.67%) Performance Tuning
9 4 (6.67%) Validation
Programming Languages
1 26 (43.33%) SQL
2 21 (35.00%) Python
3 20 (33.33%) Java
4 14 (23.33%) C++
4 14 (23.33%) PowerShell
4 14 (23.33%) VB
5 13 (21.67%) REXX
6 11 (18.33%) C
7 7 (11.67%) Perl
8 6 (10.00%) C#
9 5 (8.33%) Ada
9 5 (8.33%) JavaScript
9 5 (8.33%) Shell Script
10 4 (6.67%) PL/SQL
11 3 (5.00%) Bash Shell
11 3 (5.00%) XPath
12 2 (3.33%) Ruby
13 1 (1.67%) C-shell
13 1 (1.67%) Korn
13 1 (1.67%) VBA
Qualifications
1 15 (25.00%) Security Cleared
2 11 (18.33%) Degree
2 11 (18.33%) SC Cleared
3 1 (1.67%) MCP
3 1 (1.67%) MCSE
3 1 (1.67%) Microsoft Certification
Quality Assurance & Compliance
1 2 (3.33%) MiFID
System Software
1 13 (21.67%) Active Directory
2 1 (1.67%) Firmware
Systems Management
1 14 (23.33%) OpenView Configuration Management
2 2 (3.33%) ITRS Geneos
3 1 (1.67%) Control-M
Vendors
1 6 (10.00%) ION Trading
2 5 (8.33%) Fidessa
2 5 (8.33%) Oracle
3 3 (5.00%) Altera
3 3 (5.00%) Mentor Graphics
3 3 (5.00%) webMethods
3 3 (5.00%) Xilinx
4 2 (3.33%) F5
4 2 (3.33%) Sybase
5 1 (1.67%) Bloomberg
5 1 (1.67%) BMC
5 1 (1.67%) CA
5 1 (1.67%) HP
5 1 (1.67%) Microsoft
5 1 (1.67%) Portware
5 1 (1.67%) Reuters
5 1 (1.67%) SAP