Period
to 18 November 2017

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 6 months to 18 November 2017 with a comparison to the same period in the previous 2 years.

Tool Command Language (Tcl)
England > London
6 months to
18 Nov 2017
Same period 2016 Same period 2015
Rank 797 820 867
Rank change year-on-year +23 +47 -9
Permanent jobs citing Tcl 47 24 49
As % of all permanent IT jobs advertised in London 0.063% 0.032% 0.055%
As % of the Programming Languages category 0.11% 0.058% 0.10%
Number of salaries quoted 13 23 45
London median annual salary £55,000 £50,000 £50,000
Median salary % change year-on-year +10.00% - +5.26%
10th Percentile £45,700 £43,900 £32,500
90th Percentile £75,000 £72,500 £82,500
England median annual salary £45,000 £50,000 £50,000
% change year-on-year -10.00% - +2.04%

Tcl is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for coding skills.

All Programming Languages
London
Permanent vacancies with a requirement for coding skills 41263 41335 47657
As % of all permanent IT jobs advertised in London 55.00% 54.41% 53.39%
Number of salaries quoted 32770 36305 41083
London median annual salary £60,000 £57,500 £55,000
Median salary % change year-on-year +4.35% +4.55% +4.76%
10th Percentile £36,250 £35,000 £33,750
90th Percentile £90,000 £87,500 £85,000
England median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% -

Tcl
Job Vacancy Trend in London

Job postings citing Tcl as a percentage of all IT jobs advertised in London.

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 6 months to 18 November 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 6 months to 18 November 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 6 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
West London +22 7 £49,000 +7.69% 1
Central London +17 1 £57,500 +17.35%
East London - 1 £55,000 -
Tcl
England

For the 6 months to 18 November 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 33 (70.21%) Unix
2 30 (63.83%) HTTP
2 30 (63.83%) SSL
3 26 (55.32%) TCP/IP
3 26 (55.32%) OO
4 25 (53.19%) Python
5 20 (42.55%) Linux
6 19 (40.43%) C++
6 19 (40.43%) Load Balancing
7 16 (34.04%) Finance
8 15 (31.91%) Firewall
8 15 (31.91%) Intranet
8 15 (31.91%) Internet
8 15 (31.91%) Extranet
8 15 (31.91%) Windows
8 15 (31.91%) OOP
8 15 (31.91%) LAN
8 15 (31.91%) WAN
8 15 (31.91%) Law
8 15 (31.91%) BIG-IP
8 15 (31.91%) F5
8 15 (31.91%) Performance Monitoring
8 15 (31.91%) F5 BIG-IP LTM
8 15 (31.91%) F5 BIG-IP GTM
8 15 (31.91%) Analytical Skills
9 13 (27.66%) Perl
10 12 (25.53%) XML
10 12 (25.53%) MATLAB
10 12 (25.53%) Agile Software Development
10 12 (25.53%) Banking

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 1 (2.13%) Skype for Business
Applications
1 3 (6.38%) Maya
2 1 (2.13%) GNU Octave
2 1 (2.13%) Microsoft Office
Business Applications
1 1 (2.13%) ION MarketView
Communications & Networking
1 30 (63.83%) HTTP
1 30 (63.83%) SSL
2 26 (55.32%) TCP/IP
3 15 (31.91%) BIG-IP
3 15 (31.91%) Extranet
3 15 (31.91%) F5 BIG-IP GTM
3 15 (31.91%) F5 BIG-IP LTM
3 15 (31.91%) Firewall
3 15 (31.91%) Internet
3 15 (31.91%) Intranet
3 15 (31.91%) LAN
3 15 (31.91%) WAN
4 9 (19.15%) Multicast
5 5 (10.64%) Unicast
6 4 (8.51%) Cisco IOS
6 4 (8.51%) Cisco ISE
6 4 (8.51%) DHCP
6 4 (8.51%) Diameter Protocol
6 4 (8.51%) Network Security
6 4 (8.51%) NX-OS
Database & Business Intelligence
1 11 (23.40%) KDB
1 11 (23.40%) Kdb+
1 11 (23.40%) NoSQL
2 1 (2.13%) Big Data
Development Applications
1 1 (2.13%) Subversion
General
1 16 (34.04%) Finance
2 15 (31.91%) Law
3 12 (25.53%) Banking
4 11 (23.40%) Investment Banking
4 11 (23.40%) Retail Banking
5 4 (8.51%) Marketing
6 3 (6.38%) Games
6 3 (6.38%) Multimedia
7 2 (4.26%) Telecoms
8 1 (2.13%) Automotive
8 1 (2.13%) Back Office
8 1 (2.13%) Billing
Job Titles
1 16 (34.04%) Consultant
2 11 (23.40%) Delivery Manager
2 11 (23.40%) IT Manager
2 11 (23.40%) IT Risk Manager
2 11 (23.40%) Risk Manager
3 9 (19.15%) Network Consultant
4 6 (12.77%) Analyst
5 5 (10.64%) Financial Analyst
5 5 (10.64%) Junior
5 5 (10.64%) Service Analyst
5 5 (10.64%) Support Analyst
6 4 (8.51%) Build Engineer
6 4 (8.51%) Configuration Engineer
6 4 (8.51%) IP Network Engineer
6 4 (8.51%) Junior Analyst
6 4 (8.51%) Junior Financial Analyst
6 4 (8.51%) Junior Support Analyst
6 4 (8.51%) Network Engineer
6 4 (8.51%) Software Analyst
6 4 (8.51%) Software Support Analyst
Libraries, Frameworks & Software Standards
1 12 (25.53%) XML
2 11 (23.40%) Web Services
3 3 (6.38%) CGI
3 3 (6.38%) Unity (Game Engine)
3 3 (6.38%) WebGL
4 1 (2.13%) AngularJS
4 1 (2.13%) Flash
4 1 (2.13%) HTML
4 1 (2.13%) HTML5
4 1 (2.13%) JMS
4 1 (2.13%) Node.js
4 1 (2.13%) React
4 1 (2.13%) SOAP
4 1 (2.13%) XMPP
Miscellaneous
1 15 (31.91%) Analytical Skills
2 12 (25.53%) Algorithms
3 11 (23.40%) Data Structures
4 6 (12.77%) Computer Science
5 4 (8.51%) Derivative
5 4 (8.51%) Field-Programmable Gate Array
6 3 (6.38%) Animation
7 1 (2.13%) Data Centre
7 1 (2.13%) Enterprise Software
7 1 (2.13%) Equities
7 1 (2.13%) Eurex
7 1 (2.13%) Fixed Income
7 1 (2.13%) Video Conferencing
Operating Systems
1 33 (70.21%) Unix
2 20 (42.55%) Linux
3 15 (31.91%) Windows
4 1 (2.13%) Android
4 1 (2.13%) Apple iOS
Processes & Methodologies
1 26 (55.32%) OO
2 19 (40.43%) Load Balancing
3 15 (31.91%) OOP
3 15 (31.91%) Performance Monitoring
4 12 (25.53%) Agile Software Development
5 11 (23.40%) Asset Management
5 11 (23.40%) OOD
5 11 (23.40%) Pair Programming
5 11 (23.40%) Programme Management
5 11 (23.40%) RAD
5 11 (23.40%) Refactoring
5 11 (23.40%) SDLC
5 11 (23.40%) UML
5 11 (23.40%) Wealth Management
6 6 (12.77%) Unit Testing
7 4 (8.51%) Change Control
7 4 (8.51%) Configuration Management
7 4 (8.51%) Continuous Integration
7 4 (8.51%) Regression Testing
8 3 (6.38%) Workflow
Programming Languages
1 25 (53.19%) Python
2 19 (40.43%) C++
3 13 (27.66%) Perl
4 12 (25.53%) MATLAB
4 12 (25.53%) R
5 11 (23.40%) Shell Script
6 8 (17.02%) Java
7 7 (14.89%) SQL
8 4 (8.51%) Bash Shell
8 4 (8.51%) C#
8 4 (8.51%) JavaScript
9 3 (6.38%) MAXScript
9 3 (6.38%) VBScript
10 1 (2.13%) C
10 1 (2.13%) Ruby
10 1 (2.13%) Scala
10 1 (2.13%) VB
Qualifications
1 7 (14.89%) Degree
2 6 (12.77%) Computer Science Degree
3 4 (8.51%) CCIE
3 4 (8.51%) Cisco Certification
4 1 (2.13%) ITIL Certification
4 1 (2.13%) Master's Degree
System Software
1 4 (8.51%) KVM
1 4 (8.51%) VMware Infrastructure
2 1 (2.13%) Docker
Vendors
1 15 (31.91%) F5
2 5 (10.64%) Cisco
3 4 (8.51%) VMware
4 2 (4.26%) Microsoft
5 1 (2.13%) ION Trading
5 1 (2.13%) Oracle
5 1 (2.13%) Sybase