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

3 months to
3 Dec 2016
Same period 2015 Same period 2014
FreeSWITCH
Rank 855 962 981
Rank change year-on-year
+107 +19
Permanent jobs citing FreeSWITCH 10 7 5
As % of all permanent IT jobs located in the UK 0.011% 0.007% 0.004%
As % of the Libraries, Frameworks & Software Standards category 0.029% 0.017% 0.012%
Number of salaries quoted 9 7 5
Median salary £47,500 £30,000 £40,000
Median salary % change year-on-year
+58.33% -25.00%
90% offered a salary of more than £30,000 £30,000 £35,000
10% offered a salary of more than £50,000 £46,000 £43,000
UK excluding London median salary £50,000 £46,250 £37,500
% change year-on-year
+8.10% +23.33%

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

Libraries, Frameworks & Software Standards Category
UK
Permanent IT job ads with a match in the
Libraries, Frameworks & Software Standards category
34968 41180 42553
As % of all permanent IT jobs located in the UK 39.13% 38.36% 37.02%
Number of salaries quoted 30195 35314 36538
Median salary £45,000 £45,000 £42,500
Median salary % change year-on-year
- +5.88%
90% offered a salary of more than £31,500 £30,000 £30,000
10% offered a salary of more than £70,000 £62,500 £67,500
UK excluding London median salary £42,500 £40,000 £40,000
% change year-on-year
+6.25% -

FreeSWITCH
Jobs Demand Trend

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

FreeSWITCH Jobs Demand Trend in the UK

FreeSWITCH
Salary Trend

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

FreeSWITCH Salary Trend in the UK

FreeSWITCH
Salary Histogram

This chart provides a salary histogram for IT jobs citing FreeSWITCH over the 3 months to 3 December 2016 within the UK.

FreeSWITCH Salary Histogram in the UK

FreeSWITCH
Top 12 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 3 months to 3 December 2016. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location
(Click see detailed
statistics and trends)
Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +77 10 £47,500 +58.33%
London +69 6 £46,250 +54.16%
South East +74 2 £50,000 +11.11%
West Midlands - 2 £50,000 -
Newbury - 2 £50,000 -
Berkshire - 2 £50,000 -
Birmingham - 2 £50,000 -
Essex - 1 £42,500 -
Avon - 1 - -
Waltham Abbey - 1 £42,500 -
East of England - 1 £42,500 -
South West - 1 - -

FreeSWITCH
Top 30 Related IT Skills

For the 6 months to 3 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 with a requirement for FreeSWITCH.

1 18 (90.00%) VoIP
2 16 (80.00%) Linux
3 13 (65.00%) TCP/IP
4 10 (50.00%) MySQL
5 8 (40.00%) OpenSIPS
6 7 (35.00%) Apache
6 7 (35.00%) PHP
6 7 (35.00%) Firewall
7 6 (30.00%) RTP
7 6 (30.00%) DNS
8 5 (25.00%) PBX
8 5 (25.00%) JavaScript
8 5 (25.00%) C
8 5 (25.00%) LAMP
9 4 (20.00%) Mitel
9 4 (20.00%) SS7
9 4 (20.00%) CTI
9 4 (20.00%) Nagios
9 4 (20.00%) LDAP
9 4 (20.00%) CRM
9 4 (20.00%) WAN
9 4 (20.00%) VMS
9 4 (20.00%) SSL
9 4 (20.00%) Cisco
9 4 (20.00%) Avaya
9 4 (20.00%) Genesys
9 4 (20.00%) Bash Shell
9 4 (20.00%) RHCSA
9 4 (20.00%) Server Building
9 4 (20.00%) VLAN

FreeSWITCH
Top Related 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 7 (35.00%) Apache
2 1 (5.00%) nginx
2 1 (5.00%) Tomcat
Cloud Services
1 2 (10.00%) Amazon AWS
Communications & Networking
1 18 (90.00%) VoIP
2 13 (65.00%) TCP/IP
3 7 (35.00%) Firewall
4 6 (30.00%) DNS
4 6 (30.00%) RTP
5 5 (25.00%) PBX
6 4 (20.00%) Asterisk PBX
6 4 (20.00%) CTI
6 4 (20.00%) LDAP
6 4 (20.00%) SS7
6 4 (20.00%) SSL
6 4 (20.00%) VLAN
6 4 (20.00%) WAN
7 3 (15.00%) BGP
7 3 (15.00%) VPN
8 2 (10.00%) VoLTE
9 1 (5.00%) DHCP
9 1 (5.00%) HTTP
9 1 (5.00%) IGMP
9 1 (5.00%) SNMP
Database & Business Intelligence
1 10 (50.00%) MySQL
Development Applications
1 2 (10.00%) JIRA
General
1 3 (15.00%) Telecoms
2 1 (5.00%) Law
Job Titles
1 11 (55.00%) VoIP Engineer
2 10 (50.00%) Linux Engineer
3 6 (30.00%) Network Engineer
4 4 (20.00%) NOC Engineer
4 4 (20.00%) Technical Engineer
4 4 (20.00%) Virtualisation Engineer
5 3 (15.00%) Developer
6 2 (10.00%) Design Engineer
6 2 (10.00%) Network Systems Engineer
6 2 (10.00%) Open Source Engineer
6 2 (10.00%) Systems Engineer
7 1 (5.00%) 2nd Line Technical Support
7 1 (5.00%) Applications Support Analyst
7 1 (5.00%) Cloud Developer
7 1 (5.00%) Full Stack Developer
7 1 (5.00%) Linux Administrator
7 1 (5.00%) Linux Systems Administrator
7 1 (5.00%) Senior VoIP Engineer
7 1 (5.00%) Unix Engineer
7 1 (5.00%) VoIP Developer
Libraries, Frameworks & Software Standards
1 5 (25.00%) LAMP
2 2 (10.00%) WebRTC
3 1 (5.00%) CSS
3 1 (5.00%) HTML
3 1 (5.00%) Node.js
3 1 (5.00%) React Native
Miscellaneous
1 3 (15.00%) Data Centre
2 2 (10.00%) Analytical Skills
3 1 (5.00%) Driving Licence
3 1 (5.00%) Graphic Design
3 1 (5.00%) Mathematics
Operating Systems
1 16 (80.00%) Linux
2 4 (20.00%) CentOS
2 4 (20.00%) VMS
3 3 (15.00%) Red Hat Enterprise Linux
4 1 (5.00%) Unix
4 1 (5.00%) Windows
Processes & Methodologies
1 4 (20.00%) CRM
1 4 (20.00%) Presales
1 4 (20.00%) Prototyping
1 4 (20.00%) Server Building
2 3 (15.00%) Network Management
3 2 (10.00%) Open Source
4 1 (5.00%) Analytics
4 1 (5.00%) Change Management
4 1 (5.00%) High Availability
4 1 (5.00%) Low Latency
4 1 (5.00%) Network Design
4 1 (5.00%) Network Optimisation
4 1 (5.00%) Project Management
4 1 (5.00%) Software Engineering
4 1 (5.00%) Time Management
Programming Languages
1 7 (35.00%) PHP
2 5 (25.00%) C
2 5 (25.00%) JavaScript
3 4 (20.00%) Bash Shell
4 2 (10.00%) C++
4 2 (10.00%) Go
4 2 (10.00%) SQL
5 1 (5.00%) Java
5 1 (5.00%) Lua
5 1 (5.00%) Perl
5 1 (5.00%) Python
Qualifications
1 4 (20.00%) Degree
1 4 (20.00%) RHCSA
2 2 (10.00%) RHCE
Quality Assurance & Compliance
1 4 (20.00%) PA-DSS
1 4 (20.00%) PCI DSS
System Software
1 8 (40.00%) OpenSIPS
2 4 (20.00%) Xen
3 2 (10.00%) Docker
3 2 (10.00%) Kamailio
Systems Management
1 4 (20.00%) Nagios
Vendors
1 4 (20.00%) Avaya
1 4 (20.00%) Cisco
1 4 (20.00%) Genesys
1 4 (20.00%) Mitel
2 3 (15.00%) Red Hat
3 2 (10.00%) BroadSoft