Period
to 17 January 2019

The following table provides summary statistics for permanent job vacancies with a requirement for FreeSWITCH skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited FreeSWITCH over the 6 months to 17 January 2019 with a comparison to the same period in the previous 2 years.

FreeSWITCH
UK
6 months to
17 Jan 2019
Same period 2018 Same period 2017
Rank 1098 1155 1163
Rank change year-on-year +57 +8 +110
Permanent jobs citing FreeSWITCH 7 22 25
As % of all permanent IT jobs advertised in the UK 0.005% 0.013% 0.014%
As % of the Libraries, Frameworks & Software Standards category 0.012% 0.031% 0.036%
Number of salaries quoted 7 16 30
UK median annual salary £55,000 £67,500 £50,000
Median salary % change year-on-year -18.52% +35.00% +25.00%
10th Percentile £44,000 £56,250 £32,250
90th Percentile £57,500 £75,000 £55,000
UK excluding London median annual salary £55,000 £43,750 £50,000
% change year-on-year +25.71% -12.50% +8.11%

FreeSWITCH is in the Software Libraries and Frameworks category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
UK
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 59,880 69,903 69,869
As % of all permanent IT jobs advertised in the UK 39.61% 40.36% 39.28%
Number of salaries quoted 49,028 58,577 60,413
UK median annual salary £52,500 £50,000 £47,500
Median salary % change year-on-year +5.00% +5.26% +5.56%
10th Percentile £31,250 £30,000 £28,750
90th Percentile £85,000 £77,500 £76,350
UK excluding London median annual salary £45,000 £42,500 £42,500
% change year-on-year +5.88% - +6.25%

FreeSWITCH
Job Vacancy Trend

Job postings citing FreeSWITCH as a percentage of all IT jobs advertised.

Job vacancy trend for FreeSWITCH in the UK

FreeSWITCH
Salary Trend

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

Salary trend for FreeSWITCH in the UK

FreeSWITCH
Salary Histogram

The salary distribution of IT jobs citing FreeSWITCH over the 6 months to 17 January 2019.

Salary histogram for FreeSWITCH in the UK

FreeSWITCH
Top 4 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing FreeSWITCH within the UK over the 6 months to 17 January 2019. 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
UK excluding London +70 7 £55,000 +25.71%
England +61 6 £55,000 -18.52% 1
East of England - 6 £55,000 -
Scotland - 1 £32,500 -

For the 6 months to 17 January 2019, IT jobs citing FreeSWITCH also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all permanent job ads with a requirement for FreeSWITCH.

1 7 (100.00%) Linux
1 7 (100.00%) Telecoms
2 6 (85.71%) IGMP
2 6 (85.71%) VLAN
2 6 (85.71%) Wireshark
2 6 (85.71%) Subversion
2 6 (85.71%) Hyper-V
2 6 (85.71%) Team Foundation Server
2 6 (85.71%) Valgrind
2 6 (85.71%) VirtualBox
2 6 (85.71%) GDB
2 6 (85.71%) OO
2 6 (85.71%) Visual Studio
2 6 (85.71%) XML
2 6 (85.71%) Windows
2 6 (85.71%) C
2 6 (85.71%) C++
2 6 (85.71%) Perl
2 6 (85.71%) Python
2 6 (85.71%) PBX
2 6 (85.71%) VoIP
2 6 (85.71%) DHCP
2 6 (85.71%) HTTP
2 6 (85.71%) SNMP
2 6 (85.71%) TCP/IP
2 6 (85.71%) Internet
2 6 (85.71%) RTCP
2 6 (85.71%) RTP
2 6 (85.71%) KVM
3 1 (14.29%) GitLab

FreeSWITCH
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 1 (14.29%) Apache
1 1 (14.29%) nginx
Communications & Networking
1 6 (85.71%) DHCP
1 6 (85.71%) HTTP
1 6 (85.71%) IGMP
1 6 (85.71%) Internet
1 6 (85.71%) PBX
1 6 (85.71%) RTCP
1 6 (85.71%) RTP
1 6 (85.71%) SNMP
1 6 (85.71%) TCP/IP
1 6 (85.71%) VLAN
1 6 (85.71%) VoIP
1 6 (85.71%) Wireshark
Database & Business Intelligence
1 1 (14.29%) MariaDB
1 1 (14.29%) MySQL
1 1 (14.29%) PostgreSQL
Development Applications
1 6 (85.71%) GDB
1 6 (85.71%) Subversion
1 6 (85.71%) Team Foundation Server
1 6 (85.71%) Valgrind
1 6 (85.71%) Visual Studio
2 1 (14.29%) GitLab
General
1 7 (100.00%) Telecoms
Job Titles
1 6 (85.71%) C Developer
1 6 (85.71%) Developer
1 6 (85.71%) Software Developer
1 6 (85.71%) VoIP Developer
2 1 (14.29%) Administrator
2 1 (14.29%) Linux Administrator
2 1 (14.29%) Linux Systems Administrator
2 1 (14.29%) Systems Administrator
Libraries, Frameworks & Software Standards
1 6 (85.71%) XML
Operating Systems
1 7 (100.00%) Linux
2 6 (85.71%) Windows
3 1 (14.29%) CentOS
3 1 (14.29%) Debian
Processes & Methodologies
1 6 (85.71%) OO
Programming Languages
1 6 (85.71%) C
1 6 (85.71%) C++
1 6 (85.71%) Perl
1 6 (85.71%) Python
System Software
1 6 (85.71%) Hyper-V
1 6 (85.71%) KVM
1 6 (85.71%) VirtualBox