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 24 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)
UK
3 months to
24 Jun 2017
Same period 2016 Same period 2015
Rank 571 621 616
Rank change year-on-year +50 -5  
Contract jobs citing Tcl 30 23 30
As % of all contract IT jobs advertised in the UK 0.065% 0.043% 0.053%
As % of the Programming Languages category 0.15% 0.11% 0.14%
Number of daily rates quoted 13 13 20
Median daily rate £338 £360 £416
Median daily rate % change year-on-year -6.25% -13.51%  
90% offered a daily rate of more than £308 £336 £304
10% offered a daily rate of more than £530 £595 £523
UK excluding London median daily rate £338 £360 £396
% change year-on-year -6.25% -9.14%  
Number of hourly rates quoted 4 3 1
Median hourly rate £37.50 £45.00 £55.00
Median hourly rate % change year-on-year -16.66% -18.18%  
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 with a requirement for programming language skills.

Contract Programming Language Skills
UK
Contract job vacancies with a requirement for programming language skills 19423 20883 21303
As % of all contract IT job vacancies advertised in the UK 41.99% 38.84% 37.97%
Number of daily rates quoted 13268 14340 14218
Median daily rate £450 £425 £400
Median daily rate % change year-on-year +5.88% +6.25%  
90% offered a daily rate of more than £318 £300 £275
10% offered a daily rate of more than £600 £575 £575
UK excluding London median daily rate £400 £375 £350
% change year-on-year +6.66% +7.14%  
Number of hourly rates quoted 382 452 433
Median hourly rate £42.00 £37.50 £36.00
Median hourly rate % change year-on-year +12.00% +4.16%  
90% offered a hourly rate of more than £21.50 £15.00 £19.00
10% offered a hourly rate of more than £51.71 £50.00 £50.00
UK excluding London median hourly rate £42.50 £37.50 £36.50
% change year-on-year +13.33% +2.73%  

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 24 June 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
Top 16 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 24 June 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 +54 27 £338 -6.25% 8
London +16 11 £450 -18.18% 2
East of England +6 11 £338 - 2
Cambridgeshire - 11 £338 - 2
Cambridge - 10 £338 - 2
Nottingham - 2 - -
Nottinghamshire - 2 - -
Bristol - 2 - -
South West - 2 - -
East Midlands - 2 - -
Scotland - 2 - -
South East +23 1 £425 +18.05% 1
Renfrewshire - 1 - -
Surrey - 1 £425 -
Erskine - 1 - -
Woking - 1 £425 -

For the 6 months to 24 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 with a requirement for Tcl.

1 30 (42.25%) Windows
2 29 (40.85%) SQL
2 29 (40.85%) Linux
3 26 (36.62%) Python
4 23 (32.39%) HTTP
5 21 (29.58%) Test Automation
6 17 (23.94%) Degree
6 17 (23.94%) Configuration Management
7 16 (22.54%) OpenView Configuration Management
7 16 (22.54%) Windows XP
7 16 (22.54%) HTTPS
7 16 (22.54%) VB
7 16 (22.54%) Security Cleared
7 16 (22.54%) Patch Management
8 15 (21.13%) Windows 7
8 15 (21.13%) Software Distribution
8 15 (21.13%) PowerShell
8 15 (21.13%) Test Scripting
8 15 (21.13%) SSL
8 15 (21.13%) REXX
8 15 (21.13%) MSI
8 15 (21.13%) Wireless
8 15 (21.13%) Telecoms
9 14 (19.72%) Electronics
9 14 (19.72%) Windows Server 2003
9 14 (19.72%) Active Directory
9 14 (19.72%) Windows Server 2008
9 14 (19.72%) Windows Server 2012
9 14 (19.72%) Windows 10
9 14 (19.72%) Windows Server

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 (2.82%) MQSeries
1 2 (2.82%) WebSphere
2 1 (1.41%) BizTalk Server
Applications
1 2 (2.82%) AutoCAD
1 2 (2.82%) Siemens NX
Business Applications
1 2 (2.82%) Teamcenter
2 1 (1.41%) SAP Oil and Gas
Cloud Services
1 1 (1.41%) Silverpop
Communications & Networking
1 23 (32.39%) HTTP
2 16 (22.54%) HTTPS
3 15 (21.13%) SSL
3 15 (21.13%) Wireless
4 7 (9.86%) TCP/IP
5 4 (5.63%) BIG-IP
5 4 (5.63%) Internet
6 3 (4.23%) Bluetooth
6 3 (4.23%) Ethernet
6 3 (4.23%) F5 BIG-IP GTM
6 3 (4.23%) IPv4
6 3 (4.23%) iSCSI
7 2 (2.82%) BGP
7 2 (2.82%) DNS
7 2 (2.82%) FTP
7 2 (2.82%) LAN
7 2 (2.82%) LDAP
7 2 (2.82%) OSPF
7 2 (2.82%) VRRP
7 2 (2.82%) WAN
Database & Business Intelligence
1 4 (5.63%) Data Warehouse
1 4 (5.63%) Oracle BI EE
1 4 (5.63%) Oracle BI Publisher
1 4 (5.63%) Oracle OWB
1 4 (5.63%) Oracle Reports
1 4 (5.63%) Relational Database
1 4 (5.63%) SQLPlus
2 3 (4.23%) Oracle Database
2 3 (4.23%) SQL Server
3 2 (2.82%) MySQL
3 2 (2.82%) Oracle Database 12c
3 2 (2.82%) RDBMS
4 1 (1.41%) DB2
4 1 (1.41%) Star Schema
Development Applications
1 15 (21.13%) MSI
2 5 (7.04%) Oracle APEX
3 4 (5.63%) Toad
4 3 (4.23%) Atlassian Bamboo
4 3 (4.23%) Bugzilla
4 3 (4.23%) Git (software)
4 3 (4.23%) Rational DOORS
4 3 (4.23%) Subversion
5 2 (2.82%) JIRA
6 1 (1.41%) Ant
6 1 (1.41%) Dreamweaver
6 1 (1.41%) Rational Rhapsody
6 1 (1.41%) Selenium
6 1 (1.41%) SQL Server Management Studio (SSMS)
6 1 (1.41%) WebDriver
6 1 (1.41%) Wise Package Studio
General
1 15 (21.13%) Telecoms
2 14 (19.72%) Electronics
3 8 (11.27%) Finance
4 5 (7.04%) Banking
5 3 (4.23%) Front Office
5 3 (4.23%) Investment Banking
5 3 (4.23%) Law
6 2 (2.82%) Marketing
6 2 (2.82%) Publishing
7 1 (1.41%) Automotive
7 1 (1.41%) Manufacturing
Job Titles
1 15 (21.13%) Software Test Engineer
1 15 (21.13%) Test Engineer
2 13 (18.31%) Developer
3 12 (16.90%) Embedded Engineer
4 10 (14.08%) Audio Engineer
5 6 (8.45%) Consultant
6 5 (7.04%) Analyst
7 4 (5.63%) Data Warehouse Developer
7 4 (5.63%) FPGA Engineer
7 4 (5.63%) Oracle Developer
8 3 (4.23%) Development Engineer
8 3 (4.23%) Senior Development Engineer
8 3 (4.23%) Senior Software Development Engineer
8 3 (4.23%) Senior Software Test Engineer
8 3 (4.23%) Senior Test Engineer
8 3 (4.23%) Software Development Engineer
8 3 (4.23%) Test Development Engineer
9 2 (2.82%) Integration Analyst
9 2 (2.82%) Lead Architect
9 2 (2.82%) Oracle Data Warehouse Developer
Libraries, Frameworks & Software Standards
1 4 (5.63%) .NET
1 4 (5.63%) XML
2 3 (4.23%) HTML
2 3 (4.23%) Web Services
2 3 (4.23%) XSLT
3 2 (2.82%) 802.1X
3 2 (2.82%) DHTML
3 2 (2.82%) FIX Protocol
3 2 (2.82%) FreeMarker
3 2 (2.82%) Itk
3 2 (2.82%) Middleware
3 2 (2.82%) XSL
4 1 (1.41%) AWT
4 1 (1.41%) CSS
4 1 (1.41%) ODBC
4 1 (1.41%) Swing
Miscellaneous
1 6 (8.45%) Analytical Skills
2 4 (5.63%) Embedded Systems
2 4 (5.63%) Field-Programmable Gate Array
2 4 (5.63%) Verilog
2 4 (5.63%) VHDL
3 3 (4.23%) Data Centre
3 3 (4.23%) Internet of Things
4 2 (2.82%) Equities
4 2 (2.82%) Fat Client
4 2 (2.82%) Thin Client
5 1 (1.41%) Computer Science
Operating Systems
1 30 (42.25%) Windows
2 29 (40.85%) Linux
3 16 (22.54%) Windows XP
4 15 (21.13%) Windows 7
5 14 (19.72%) Windows 10
5 14 (19.72%) Windows Server
5 14 (19.72%) Windows Server 2003
5 14 (19.72%) Windows Server 2008
5 14 (19.72%) Windows Server 2012
6 12 (16.90%) Unix
7 3 (4.23%) AIX
7 3 (4.23%) Solaris
8 2 (2.82%) Red Hat Enterprise Linux
8 2 (2.82%) Ubuntu
Processes & Methodologies
1 21 (29.58%) Test Automation
2 17 (23.94%) Configuration Management
3 16 (22.54%) Patch Management
4 15 (21.13%) Software Distribution
4 15 (21.13%) Test Scripting
5 14 (19.72%) Prototyping
5 14 (19.72%) Virtual Infrastructure
6 12 (16.90%) Digital Signal Processing
6 12 (16.90%) Signal Processing
7 9 (12.68%) Agile Software Development
7 9 (12.68%) Data Modelling
8 5 (7.04%) Continuous Integration
9 4 (5.63%) Business Intelligence
9 4 (5.63%) OO
9 4 (5.63%) Performance Tuning
9 4 (5.63%) Test Planning
9 4 (5.63%) Unit Testing
10 3 (4.23%) OOP
10 3 (4.23%) Programme Delivery
10 3 (4.23%) UML
Programming Languages
1 29 (40.85%) SQL
2 26 (36.62%) Python
3 16 (22.54%) VB
4 15 (21.13%) PowerShell
4 15 (21.13%) REXX
5 9 (12.68%) Java
6 8 (11.27%) Perl
6 8 (11.27%) PL/SQL
7 7 (9.86%) C
7 7 (9.86%) Shell Script
8 6 (8.45%) C++
9 5 (7.04%) JavaScript
10 4 (5.63%) Bash Shell
11 2 (2.82%) Ruby
11 2 (2.82%) XPath
12 1 (1.41%) C-shell
12 1 (1.41%) Embedded C
12 1 (1.41%) Korn
12 1 (1.41%) T-SQL
12 1 (1.41%) VBScript
Qualifications
1 17 (23.94%) Degree
2 16 (22.54%) Security Cleared
3 12 (16.90%) SC Cleared
4 1 (1.41%) MCP
4 1 (1.41%) MCSE
4 1 (1.41%) Microsoft Certification
Quality Assurance & Compliance
1 2 (2.82%) HL7
1 2 (2.82%) MiFID
2 1 (1.41%) DICOM
System Software
1 14 (19.72%) Active Directory
2 7 (9.86%) Firmware
Systems Management
1 16 (22.54%) OpenView Configuration Management
2 1 (1.41%) Control-M
2 1 (1.41%) HP Quality Center
Vendors
1 10 (14.08%) Oracle
2 8 (11.27%) F5
3 4 (5.63%) Xilinx
4 3 (4.23%) Altera
4 3 (4.23%) HP
4 3 (4.23%) Mentor Graphics
5 2 (2.82%) Fidessa
5 2 (2.82%) ION Trading
5 2 (2.82%) webMethods
6 1 (1.41%) BMC
6 1 (1.41%) CA
6 1 (1.41%) Microsoft
6 1 (1.41%) SAP
6 1 (1.41%) Sybase
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