The table below looks at the statistics for FreeSWITCH skills in IT jobs advertised for the London region. Included is a guide to the salaries offered in IT jobs that have cited FreeSWITCH over the 3 months to 7 December 2016 with a comparison to the same period over the previous 2 years.

3 months to
7 Dec 2016
Same period 2015 Same period 2014
FreeSWITCH
Rank 592 653 660
Rank change year-on-year
+61 +7
Permanent jobs citing FreeSWITCH 6 5 1
As % of all permanent IT jobs located in London 0.017% 0.011% 0.002%
As % of the Libraries, Frameworks & Software Standards category 0.043% 0.030% 0.006%
Number of salaries quoted 6 5 1
Median salary £46,250 £30,000 £45,000
Median salary % change year-on-year
+54.16% -33.33%
UK excluding London median salary £50,000 £46,250 £37,500
% change year-on-year
+8.10% +23.33%
FreeSWITCH
England

The following table is for comparison with the above and provides statistics for the entire Libraries, Frameworks & Software Standards category in permanent jobs advertised in the London region.

Libraries, Frameworks & Software Standards Category
London
Permanent IT job ads with a match in the
Libraries, Frameworks & Software Standards category
13965 16564 16405
As % of all permanent IT jobs located in London 39.46% 37.86% 36.59%
Number of salaries quoted 12186 14250 14152
Median salary £57,500 £55,000 £52,500
Median salary % change year-on-year
+4.54% +4.76%
90% offered a salary of more than £37,500 £37,500 £35,000
10% offered a salary of more than £80,000 £72,500 £77,500
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year
+6.25% -

FreeSWITCH
Jobs Demand Trend in London

The demand trend of job ads across the London region citing FreeSWITCH as a proportion of all IT jobs with a match in the Libraries, Frameworks & Software Standards category.

FreeSWITCH Jobs Demand Trend in London

FreeSWITCH
Salary Trend in London

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

FreeSWITCH Salary Trend in London

FreeSWITCH
Salary Histogram in London

This chart provides a salary histogram for IT jobs citing FreeSWITCH across the London region over the 3 months to 7 December 2016.

FreeSWITCH Salary Histogram in London

FreeSWITCH
Top 30 Related IT Skills in London

For the 6 months to 7 December 2016, IT jobs citing FreeSWITCH 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 FreeSWITCH.

1 11 (100.00%) VoIP
2 9 (81.82%) MySQL
2 9 (81.82%) Linux
3 7 (63.64%) Apache
3 7 (63.64%) OpenSIPS
4 6 (54.55%) PHP
4 6 (54.55%) TCP/IP
5 4 (36.36%) RTP
5 4 (36.36%) SS7
5 4 (36.36%) Nagios
5 4 (36.36%) LAMP
5 4 (36.36%) WAN
5 4 (36.36%) DNS
5 4 (36.36%) SSL
5 4 (36.36%) LDAP
5 4 (36.36%) Xen
5 4 (36.36%) Bash Shell
5 4 (36.36%) CentOS
5 4 (36.36%) RHCSA
5 4 (36.36%) JavaScript
6 3 (27.27%) Data Centre
6 3 (27.27%) Red Hat Enterprise Linux
6 3 (27.27%) VLAN
6 3 (27.27%) Network Management
6 3 (27.27%) C
6 3 (27.27%) Red Hat
6 3 (27.27%) VPN
6 3 (27.27%) BGP
6 3 (27.27%) Firewall
6 3 (27.27%) Telecoms

FreeSWITCH
Top Related 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 7 (63.64%) Apache
Cloud Services
1 2 (18.18%) Amazon AWS
Communications & Networking
1 11 (100.00%) VoIP
2 6 (54.55%) TCP/IP
3 4 (36.36%) DNS
3 4 (36.36%) LDAP
3 4 (36.36%) RTP
3 4 (36.36%) SS7
3 4 (36.36%) SSL
3 4 (36.36%) WAN
4 3 (27.27%) BGP
4 3 (27.27%) Firewall
4 3 (27.27%) VLAN
4 3 (27.27%) VPN
5 2 (18.18%) Asterisk PBX
6 1 (9.09%) Internet
6 1 (9.09%) SMS
Database & Business Intelligence
1 9 (81.82%) MySQL
Development Applications
1 2 (18.18%) JIRA
General
1 3 (27.27%) Telecoms
2 1 (9.09%) Law
Job Titles
1 6 (54.55%) Network Engineer
2 4 (36.36%) Linux Engineer
2 4 (36.36%) NOC Engineer
2 4 (36.36%) VoIP Engineer
3 2 (18.18%) Developer
3 2 (18.18%) Network Systems Engineer
3 2 (18.18%) Systems Engineer
4 1 (9.09%) 2nd Line Support
4 1 (9.09%) 2nd Line Technical Support
4 1 (9.09%) Administrator
4 1 (9.09%) Analyst
4 1 (9.09%) Applications Support
4 1 (9.09%) Applications Support Analyst
4 1 (9.09%) Full Stack Developer
4 1 (9.09%) Linux Administrator
4 1 (9.09%) Linux Systems Administrator
4 1 (9.09%) Support Analyst
4 1 (9.09%) Systems Administrator
4 1 (9.09%) Technical Support
4 1 (9.09%) VoIP Developer
Libraries, Frameworks & Software Standards
1 4 (36.36%) LAMP
2 2 (18.18%) WebRTC
3 1 (9.09%) Node.js
3 1 (9.09%) React Native
Miscellaneous
1 3 (27.27%) Data Centre
2 2 (18.18%) Analytical Skills
Operating Systems
1 9 (81.82%) Linux
2 4 (36.36%) CentOS
3 3 (27.27%) Red Hat Enterprise Linux
Processes & Methodologies
1 3 (27.27%) Network Management
2 1 (9.09%) Analytics
2 1 (9.09%) High Availability
2 1 (9.09%) Low Latency
Programming Languages
1 6 (54.55%) PHP
2 4 (36.36%) Bash Shell
2 4 (36.36%) JavaScript
3 3 (27.27%) C
4 2 (18.18%) C++
4 2 (18.18%) Go
4 2 (18.18%) SQL
5 1 (9.09%) Java
Qualifications
1 4 (36.36%) RHCSA
2 2 (18.18%) RHCE
System Software
1 7 (63.64%) OpenSIPS
2 4 (36.36%) Xen
3 2 (18.18%) Docker
Systems Management
1 4 (36.36%) Nagios
Vendors
1 3 (27.27%) Red Hat