The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Tcl skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Tcl over the 3 months to 27 June 2017 with a comparison to the same period in the previous 2 years.

Tool Command Language (Tcl)
England / London
3 months to
27 Jun 2017
Same period 2016 Same period 2015
Rank 583 629 653
Rank change year-on-year +46 +24  
Permanent jobs citing Tcl 19 9 16
As % of all permanent IT jobs advertised in London 0.052% 0.022% 0.036%
As % of the Programming Languages category 0.093% 0.041% 0.068%
Number of salaries quoted 7 9 16
Median salary £49,000 £49,000 £56,250
Median salary % change year-on-year - -12.88%  
90% offered a salary of more than £38,000 £47,800 £40,000
10% offered a salary of more than £84,000 £55,800 £68,750
UK excluding London median salary £45,000 £50,000 £50,000
% change year-on-year -10.00% -  

Tcl is in the programming language skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for programming language skills.

Programming Language Skills
London
Permanent job vacancies with a requirement for programming language skills 20366 22028 23363
As % of all permanent IT job vacancies advertised in London 55.50% 54.96% 52.79%
Number of salaries quoted 16719 19450 20058
Median salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.34% +4.54%  
90% offered a salary of more than £40,000 £37,500 £35,000
10% offered a salary of more than £87,500 £80,000 £80,000
UK excluding London median salary £42,500 £41,000 £40,000
% change year-on-year +3.65% +2.50%  

Tcl
Job Vacancy Trend in London

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

Job vacancy trend for Tcl in London

Tcl
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Tcl in London.

Salary trend for Tcl in London

Tcl
Salary Histogram in London

The salary distribution of IT jobs citing Tcl in London over the 3 months to 27 June 2017.

Salary histogram for Tcl in London

Tcl
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Tcl within the London region over the 3 months to 27 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
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
City of London +32 2 £63,750 +30.10%
Greenford - 2 £49,000 -
Tcl
England

For the 6 months to 27 June 2017, IT jobs citing Tcl also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads across the London region with a requirement for Tcl.

1 20 (66.67%) SQL
1 20 (66.67%) Unix
2 19 (63.33%) Java
3 17 (56.67%) Python
4 14 (46.67%) C++
4 14 (46.67%) Degree
4 14 (46.67%) Computer Science
5 13 (43.33%) Finance
5 13 (43.33%) Computer Science Degree
6 12 (40.00%) Unicast
6 12 (40.00%) Multicast
7 10 (33.33%) Derivative
8 8 (26.67%) Perl
9 7 (23.33%) Linux
10 6 (20.00%) XML
11 5 (16.67%) Oracle
12 4 (13.33%) Windows
12 4 (13.33%) Microsoft
13 3 (10.00%) ITIL Certification
13 3 (10.00%) Apple
13 3 (10.00%) OpenGL
13 3 (10.00%) Shell Script
13 3 (10.00%) 3G
13 3 (10.00%) HTML
13 3 (10.00%) Telecoms
13 3 (10.00%) ITIL
13 3 (10.00%) OO
13 3 (10.00%) CRM
13 3 (10.00%) HTTP
13 3 (10.00%) TCP/IP

Tcl
Co-occurring IT Skills in 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:

Application Platforms
1 2 (6.67%) BizTalk Server
2 1 (3.33%) Commerce Server
2 1 (3.33%) WebLogic
2 1 (3.33%) WebSphere
Applications
1 3 (10.00%) Microsoft Office
Cloud Services
1 1 (3.33%) Silverpop
Communications & Networking
1 12 (40.00%) Multicast
1 12 (40.00%) Unicast
2 3 (10.00%) 3G
2 3 (10.00%) 4G
2 3 (10.00%) HTTP
2 3 (10.00%) TCP/IP
3 2 (6.67%) BIG-IP
3 2 (6.67%) Extranet
3 2 (6.67%) F5 BIG-IP GTM
3 2 (6.67%) F5 BIG-IP LTM
3 2 (6.67%) Firewall
3 2 (6.67%) Internet
3 2 (6.67%) Intranet
3 2 (6.67%) LAN
3 2 (6.67%) SSL
3 2 (6.67%) WAN
Database & Business Intelligence
1 2 (6.67%) Oracle Database
1 2 (6.67%) RDBMS
1 2 (6.67%) Relational Database
2 1 (3.33%) Data Warehouse
2 1 (3.33%) Oracle Exadata
2 1 (3.33%) SQL Server
Development Applications
1 2 (6.67%) Rational Rhapsody
2 1 (3.33%) Dreamweaver
2 1 (3.33%) Oracle Developer 2000
2 1 (3.33%) SQL Server Management Studio (SSMS)
2 1 (3.33%) Subversion
General
1 13 (43.33%) Finance
2 3 (10.00%) Billing
2 3 (10.00%) Telecoms
3 2 (6.67%) Front Office
3 2 (6.67%) Law
3 2 (6.67%) Marketing
4 1 (3.33%) Games
Job Titles
1 16 (53.33%) Analyst
2 13 (43.33%) Support Analyst
3 12 (40.00%) Financial Analyst
3 12 (40.00%) Service Analyst
4 11 (36.67%) Junior
4 11 (36.67%) Junior Analyst
4 11 (36.67%) Junior Financial Analyst
4 11 (36.67%) Junior Support Analyst
5 10 (33.33%) Software Analyst
5 10 (33.33%) Software Support Analyst
6 3 (10.00%) Design Engineer
6 3 (10.00%) Senior Analyst
6 3 (10.00%) Verification Engineer
7 2 (6.67%) Build and Configuration Engineer
7 2 (6.67%) Build Engineer
7 2 (6.67%) Configuration Engineer
7 2 (6.67%) Consultant
7 2 (6.67%) Developer
7 2 (6.67%) Integration Specialist
8 1 (3.33%) Billing Analyst
Libraries, Frameworks & Software Standards
1 6 (20.00%) XML
2 3 (10.00%) HTML
2 3 (10.00%) OpenCL
2 3 (10.00%) OpenGL
3 2 (6.67%) JMS
3 2 (6.67%) Middleware
3 2 (6.67%) SOAP
3 2 (6.67%) Web Services
4 1 (3.33%) AngularJS
4 1 (3.33%) CGI
4 1 (3.33%) COM
4 1 (3.33%) CORBA
4 1 (3.33%) DHTML
4 1 (3.33%) FIX Protocol
4 1 (3.33%) Flash
4 1 (3.33%) HTML5
4 1 (3.33%) Node.js
4 1 (3.33%) React
Miscellaneous
1 14 (46.67%) Computer Science
2 10 (33.33%) Derivative
3 3 (10.00%) Enterprise Software
3 3 (10.00%) Verilog
3 3 (10.00%) VHDL
4 2 (6.67%) Analytical Skills
4 2 (6.67%) Field-Programmable Gate Array
4 2 (6.67%) NHS
5 1 (3.33%) Data Centre
5 1 (3.33%) Equities
5 1 (3.33%) Management Information System
Operating Systems
1 20 (66.67%) Unix
2 7 (23.33%) Linux
3 4 (13.33%) Windows
4 1 (3.33%) Android
4 1 (3.33%) Apple iOS
4 1 (3.33%) Oracle Linux
4 1 (3.33%) Solaris
Processes & Methodologies
1 3 (10.00%) Computer Architecture
1 3 (10.00%) CRM
1 3 (10.00%) ITIL
1 3 (10.00%) OO
1 3 (10.00%) Performance Monitoring
1 3 (10.00%) System Testing
2 2 (6.67%) Change Control
2 2 (6.67%) Configuration Management
2 2 (6.67%) Continuous Integration
2 2 (6.67%) Data Analysis
2 2 (6.67%) Data Management
2 2 (6.67%) Load Balancing
2 2 (6.67%) OOP
2 2 (6.67%) Regression Testing
2 2 (6.67%) Software Engineering
2 2 (6.67%) Unit Testing
3 1 (3.33%) Agile Software Development
3 1 (3.33%) Database Marketing
3 1 (3.33%) Release Management
3 1 (3.33%) TDD
Programming Languages
1 20 (66.67%) SQL
2 19 (63.33%) Java
3 17 (56.67%) Python
4 14 (46.67%) C++
5 8 (26.67%) Perl
6 3 (10.00%) C
6 3 (10.00%) Ruby
6 3 (10.00%) Shell Script
7 2 (6.67%) Bash Shell
7 2 (6.67%) JavaScript
8 1 (3.33%) C#
8 1 (3.33%) PL/SQL
Qualifications
1 14 (46.67%) Degree
2 13 (43.33%) Computer Science Degree
3 3 (10.00%) ITIL Certification
Quality Assurance & Compliance
1 2 (6.67%) HL7
Systems Management
1 2 (6.67%) WebSphere Cast Iron
Vendors
1 5 (16.67%) Oracle
2 4 (13.33%) Microsoft
3 3 (10.00%) Apple
4 2 (6.67%) F5
4 2 (6.67%) IBM
5 1 (3.33%) ATG
5 1 (3.33%) BEA
5 1 (3.33%) Facebook
5 1 (3.33%) Fidessa
5 1 (3.33%) hybris
5 1 (3.33%) Intershop
5 1 (3.33%) ION Trading
5 1 (3.33%) Salesforce Marketing Cloud
5 1 (3.33%) Sun
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