Period
to 25 April 2018

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 25 April 2018 with a comparison to the same period in the previous 2 years.

FreeSWITCH
UK
6 months to
25 Apr 2018
Same period 2017 Same period 2016
Rank 1161 1158 1255
Rank change year-on-year -3 +97 +47
Permanent jobs citing FreeSWITCH 19 21 32
As % of all permanent IT jobs advertised in the UK 0.011% 0.012% 0.016%
As % of the Libraries, Frameworks & Software Standards category 0.026% 0.031% 0.040%
Number of salaries quoted 15 23 29
UK median annual salary £67,500 £50,000 £40,000
Median salary % change year-on-year +35.00% +25.00% -3.61%
10th Percentile £50,000 £35,000 £30,000
90th Percentile £75,000 £52,500 £57,500
UK excluding London median annual salary £50,000 £50,000 £35,000
% change year-on-year - +42.86% -15.66%

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 72,393 68,630 79,057
As % of all permanent IT jobs advertised in the UK 40.92% 40.33% 38.61%
Number of salaries quoted 61,066 58,707 68,103
UK median annual salary £50,000 £47,500 £47,500
Median salary % change year-on-year +5.26% - +5.56%
10th Percentile £30,500 £29,000 £28,500
90th Percentile £80,000 £76,250 £75,000
UK excluding London median annual salary £44,400 £42,500 £41,500
% change year-on-year +4.47% +2.41% +3.75%

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 25 April 2018.

Salary histogram for FreeSWITCH in the UK

FreeSWITCH
Top 9 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 25 April 2018. 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
England 0 19 £67,500 +35.00%
London -4 17 £67,500 +68.75%
Midlands -7 2 £50,000 -
UK excluding London -15 2 £50,000 - 1
West Midlands -5 1 £50,000 -
South East -15 1 £50,000 -
North of England -16 1 £50,000 +25.00%
Yorkshire - 1 £50,000 -
East Midlands - 1 £55,000 -

For the 6 months to 25 April 2018, 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 19 (100.00%) Linux
2 18 (94.74%) Kamailio
3 14 (73.68%) Telecoms
3 14 (73.68%) VoIP
4 10 (52.63%) Open Source
5 9 (47.37%) MySQL
5 9 (47.37%) DNS
6 8 (42.11%) Ubuntu
6 8 (42.11%) Debian
6 8 (42.11%) Replication
6 8 (42.11%) VMware
6 8 (42.11%) Python
6 8 (42.11%) SSL
6 8 (42.11%) Cisco
6 8 (42.11%) Dell
6 8 (42.11%) Nagios
6 8 (42.11%) BCP
6 8 (42.11%) BGP
6 8 (42.11%) Configuration Management
6 8 (42.11%) SMTP
6 8 (42.11%) HTTP
6 8 (42.11%) SNMP
6 8 (42.11%) Perl
6 8 (42.11%) PHP
6 8 (42.11%) Subversion
6 8 (42.11%) Git (software)
6 8 (42.11%) Cacti
6 8 (42.11%) Munin
6 8 (42.11%) Postfix
6 8 (42.11%) nginx

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 8 (42.11%) Confluence
1 8 (42.11%) nginx
1 8 (42.11%) uWSGI
Communications & Networking
1 14 (73.68%) VoIP
2 9 (47.37%) DNS
3 8 (42.11%) BGP
3 8 (42.11%) Cisco ASA
3 8 (42.11%) Cisco IOS
3 8 (42.11%) HTTP
3 8 (42.11%) SMTP
3 8 (42.11%) SNMP
3 8 (42.11%) SSL
3 8 (42.11%) VLAN
4 6 (31.58%) Asterisk PBX
4 6 (31.58%) RTP
5 5 (26.32%) ISDN
6 1 (5.26%) CTI
6 1 (5.26%) RTCP
6 1 (5.26%) VoLTE
6 1 (5.26%) VoWiFi
Database & Business Intelligence
1 9 (47.37%) MySQL
2 8 (42.11%) MariaDB
Development Applications
1 8 (42.11%) Git (software)
1 8 (42.11%) JIRA
1 8 (42.11%) Subversion
General
1 14 (73.68%) Telecoms
2 1 (5.26%) Billing
Job Titles
1 9 (47.37%) Systems Engineer
2 8 (42.11%) DevOps Engineer
2 8 (42.11%) DevOps Systems Engineer
2 8 (42.11%) Linux DevOps Engineer
2 8 (42.11%) Linux Engineer
2 8 (42.11%) Linux Systems Engineer
2 8 (42.11%) Linux/Unix DevOps
2 8 (42.11%) Senior DevOps
2 8 (42.11%) Senior DevOps Engineer
2 8 (42.11%) Senior Linux Engineer
2 8 (42.11%) Senior Linux Systems Engineer
2 8 (42.11%) Senior Systems Engineer
3 5 (26.32%) Telephony Engineer
4 4 (21.05%) Architect
4 4 (21.05%) Network Architect
4 4 (21.05%) Voice Architect
5 1 (5.26%) Senior Architect
5 1 (5.26%) Senior Network Architect
5 1 (5.26%) Telecoms Engineer
5 1 (5.26%) VoIP Engineer
Libraries, Frameworks & Software Standards
1 8 (42.11%) Django
1 8 (42.11%) LEMP Stack
1 8 (42.11%) PHP-FPM
1 8 (42.11%) WSGI
Miscellaneous
1 8 (42.11%) Linux Command Line
1 8 (42.11%) Private Cloud
1 8 (42.11%) Replication
1 8 (42.11%) Wiki
2 1 (5.26%) IVR
Operating Systems
1 19 (100.00%) Linux
2 8 (42.11%) Debian
2 8 (42.11%) Ubuntu
Processes & Methodologies
1 10 (52.63%) Open Source
2 8 (42.11%) BCP
2 8 (42.11%) Configuration Management
2 8 (42.11%) DevOps
2 8 (42.11%) Release Management
Programming Languages
1 8 (42.11%) Bash Shell
1 8 (42.11%) Perl
1 8 (42.11%) PHP
1 8 (42.11%) Python
2 5 (26.32%) C
2 5 (26.32%) C#
2 5 (26.32%) C++
System Software
1 18 (94.74%) Kamailio
2 8 (42.11%) BIND 9
2 8 (42.11%) Postfix
2 8 (42.11%) VMware ESXi
2 8 (42.11%) VMware Infrastructure
Systems Management
1 8 (42.11%) Cacti
1 8 (42.11%) HAProxy
1 8 (42.11%) Munin
1 8 (42.11%) Nagios
1 8 (42.11%) Puppet
Vendors
1 8 (42.11%) Cisco
1 8 (42.11%) Dell
1 8 (42.11%) VMware
2 5 (26.32%) BroadSoft
2 5 (26.32%) GENBAND
2 5 (26.32%) Sonus
3 4 (21.05%) Huawei
4 1 (5.26%) Acme Packet