Period
to 23 October 2021

The following table provides summary statistics for contract job vacancies advertised in England with a requirement for Tcl skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Tcl over the 6 months to 23 October 2021 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 > England
6 months to
23 Oct 2021
Same period 2020 Same period 2019
Rank 728 490 775
Rank change year-on-year -238 +285 +87
Contract jobs citing Tcl 11 4 16
As % of all contract jobs advertised in England 0.016% 0.015% 0.021%
As % of the Programming Languages category 0.041% 0.034% 0.049%
Number of daily rates quoted 6 3 10
10th Percentile " " £286
25th Percentile £363 " £300
Median daily rate (50th Percentile) £383 £300 £426
Median % change year-on-year +27.50% -29.62% -11.20%
75th Percentile £558 £363 £573
90th Percentile £672 £400 £650
UK median daily rate £375 £300 £426
% change year-on-year +25.00% -29.62% -11.20%
Number of hourly rates quoted 1 0 1
10th Percentile " " "
25th Percentile £61.25 " £55.50
Median hourly rate £62.50 - £57.00
75th Percentile £63.75 " £58.50
90th Percentile " " "
UK median hourly rate £62.50 - £57.00

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

All Programming Languages
England
Contract vacancies with a requirement for coding skills 26,692 11,773 32,663
As % of all contract IT jobs advertised in England 39.70% 42.84% 42.26%
Number of daily rates quoted 19,525 8,366 23,175
10th Percentile £363 £310 £325
25th Percentile £425 £400 £400
Median daily rate (50th Percentile) £525 £495 £488
Median % change year-on-year +6.06% +1.54% +2.63%
75th Percentile £638 £598 £575
90th Percentile £713 £688 £650
UK median daily rate £525 £480 £475
% change year-on-year +9.38% +1.05% -
Number of hourly rates quoted 399 242 581
10th Percentile £17.50 £11.25 £18.00
25th Percentile £25.38 £21.00 £34.00
Median hourly rate £45.50 £37.97 £45.00
Median % change year-on-year +19.85% -15.63% +6.66%
75th Percentile £58.75 £47.50 £51.25
90th Percentile £67.55 £55.56 £55.50
UK median hourly rate £45.50 £38.50 £45.00
% change year-on-year +18.18% -14.44% +7.54%

Tcl
Job Vacancy Trend in England

Job postings citing Tcl as a proportion of all IT jobs advertised in England.

Job vacancy trend for Tcl in England

Tcl
Contractor Daily Rate Trend in England

3-month moving average daily rate quoted in jobs citing Tcl in England.

Daily rate trend for Tcl in England

Tcl
Daily Rate Histogram in England

Daily rate distribution for jobs citing Tcl in England over the 6 months to 23 October 2021.

Daily rate histogram for Tcl in England

Tcl
Contractor Hourly Rate Trend in England

3-month moving average hourly rates quoted in jobs citing Tcl in England.

Hourly rate trend for Tcl in England

Tcl
Contract Job Locations in England

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Tcl within the England region over the 6 months to 23 October 2021. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Job
Vacancies
London - 6 £375 - 2
East of England -59 2 - - 5
South East -86 1 - - 10
West Midlands - 1 £390 -
Midlands - 1 £390 -
Tcl
UK

For the 6 months to 23 October 2021, IT contractor jobs citing Tcl also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the England region with a requirement for Tcl.

1 7 (63.64%) Python
2 5 (45.45%) Perl
2 5 (45.45%) Linux
3 4 (36.36%) Wireless
3 4 (36.36%) Agile Software Development
3 4 (36.36%) Social Skills
4 3 (27.27%) GitLab
4 3 (27.27%) Wireshark
4 3 (27.27%) Load Balancing
4 3 (27.27%) VHDL
4 3 (27.27%) Verilog
4 3 (27.27%) Wi-Fi
4 3 (27.27%) HTTP
4 3 (27.27%) Java
5 2 (18.18%) SQL
5 2 (18.18%) Unix
5 2 (18.18%) Cisco
5 2 (18.18%) Cisco Certification
5 2 (18.18%) Juniper
5 2 (18.18%) CheckPoint
5 2 (18.18%) CCNP
5 2 (18.18%) 802.11
5 2 (18.18%) Telnet
5 2 (18.18%) Validation
5 2 (18.18%) BIG-IP
5 2 (18.18%) Fortinet
5 2 (18.18%) Degree
5 2 (18.18%) VMware Infrastructure
5 2 (18.18%) Test Automation
5 2 (18.18%) Synopsys

Tcl
Co-occurring IT Skills in England 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:

Cloud Services
1 2 (18.18%) Akamai
1 2 (18.18%) AWS
1 2 (18.18%) Azure
Communications & Networking
1 4 (36.36%) Wireless
2 3 (27.27%) HTTP
2 3 (27.27%) Wi-Fi
2 3 (27.27%) Wireshark
3 2 (18.18%) 802.11
3 2 (18.18%) BIG-IP
3 2 (18.18%) F5 BIG-IP LTM
3 2 (18.18%) tcpdump
3 2 (18.18%) Telnet
4 1 (9.09%) Ethernet
4 1 (9.09%) FDDI
4 1 (9.09%) IPsec
4 1 (9.09%) IPv4
4 1 (9.09%) PPP
4 1 (9.09%) SMTP
4 1 (9.09%) SSH
4 1 (9.09%) TCP/IP
4 1 (9.09%) VPN
4 1 (9.09%) WAN
4 1 (9.09%) WLAN
Database & Business Intelligence
1 1 (9.09%) Data Warehouse
1 1 (9.09%) MySQL
1 1 (9.09%) PostgreSQL
1 1 (9.09%) SQL Server
1 1 (9.09%) SQLite
Development Applications
1 3 (27.27%) GitLab
2 2 (18.18%) Jenkins
2 2 (18.18%) Robot Framework
3 1 (9.09%) Git (software)
3 1 (9.09%) Selenium
General
1 4 (36.36%) Social Skills
2 2 (18.18%) Analytical Skills
3 1 (9.09%) Aerospace
3 1 (9.09%) Banking
3 1 (9.09%) Electronics
3 1 (9.09%) Finance
3 1 (9.09%) Law
3 1 (9.09%) Public Sector
Job Titles
1 2 (18.18%) Developer
1 2 (18.18%) Network Engineer
1 2 (18.18%) Test Engineer
2 1 (9.09%) DBA
2 1 (9.09%) Design Engineer
2 1 (9.09%) Fidessa Developer
2 1 (9.09%) FPGA Engineer
2 1 (9.09%) Integration Developer
2 1 (9.09%) Java Developer
2 1 (9.09%) Python Developer
2 1 (9.09%) Security Engineer
2 1 (9.09%) Senior Developer
2 1 (9.09%) Senior Fidessa Developer
2 1 (9.09%) Senior FPGA Engineer
2 1 (9.09%) Senior Integration Developer
2 1 (9.09%) Senior Java Developer
2 1 (9.09%) Senior Security Engineer
Libraries, Frameworks & Software Standards
1 2 (18.18%) 802.1X
Miscellaneous
1 3 (27.27%) Verilog
1 3 (27.27%) VHDL
2 2 (18.18%) Linux Command Line
2 2 (18.18%) Private Cloud
3 1 (9.09%) Algorithms
3 1 (9.09%) Data Structures
3 1 (9.09%) Equities
3 1 (9.09%) Field-Programmable Gate Array
3 1 (9.09%) Fixed Income
3 1 (9.09%) Replication
3 1 (9.09%) Self-Motivation
Operating Systems
1 5 (45.45%) Linux
2 2 (18.18%) Unix
3 1 (9.09%) AIX
3 1 (9.09%) Debian
3 1 (9.09%) HPUX
3 1 (9.09%) Red Hat Enterprise Linux
3 1 (9.09%) Slackware
3 1 (9.09%) Solaris
3 1 (9.09%) Ubuntu
3 1 (9.09%) Windows
Processes & Methodologies
1 4 (36.36%) Agile Software Development
2 3 (27.27%) Load Balancing
3 2 (18.18%) DevOps
3 2 (18.18%) Network Architecture
3 2 (18.18%) Network Monitoring
3 2 (18.18%) Problem-Solving
3 2 (18.18%) Test Automation
3 2 (18.18%) Validation
4 1 (9.09%) Capacity Management
4 1 (9.09%) Computer Science
4 1 (9.09%) Cryptography
4 1 (9.09%) Defect Tracking
4 1 (9.09%) Disaster Recovery
4 1 (9.09%) ETL
4 1 (9.09%) Line Management
4 1 (9.09%) MapReduce
4 1 (9.09%) Scrum
Programming Languages
1 7 (63.64%) Python
2 5 (45.45%) Perl
3 3 (27.27%) Java
4 2 (18.18%) SQL
5 1 (9.09%) C
5 1 (9.09%) C++
5 1 (9.09%) JavaScript
5 1 (9.09%) PL/SQL
5 1 (9.09%) Shell Script
5 1 (9.09%) T-SQL
Qualifications
1 2 (18.18%) CCNP
1 2 (18.18%) Cisco Certification
1 2 (18.18%) Degree
2 1 (9.09%) Computer Science Degree
Quality Assurance & Compliance
1 1 (9.09%) Accessibility
1 1 (9.09%) JTAG
System Software
1 2 (18.18%) VMware Infrastructure
2 1 (9.09%) Firmware
Systems Management
1 2 (18.18%) Ansible
1 2 (18.18%) Iperf
1 2 (18.18%) Terraform
2 1 (9.09%) Grafana
2 1 (9.09%) Kibana
2 1 (9.09%) Nagios
Vendors
1 2 (18.18%) CheckPoint
1 2 (18.18%) Cisco
1 2 (18.18%) F5
1 2 (18.18%) Fortinet
1 2 (18.18%) Juniper
1 2 (18.18%) Palo Alto
1 2 (18.18%) Synopsys
1 2 (18.18%) VMware
2 1 (9.09%) Bloomberg
2 1 (9.09%) Cadence
2 1 (9.09%) Fidessa
2 1 (9.09%) Greenplum
2 1 (9.09%) HP
2 1 (9.09%) ION Trading
2 1 (9.09%) Oracle
2 1 (9.09%) Red Hat
2 1 (9.09%) Sybase
2 1 (9.09%) Xilinx