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 29 September 2016 with a comparison to the same period over the previous 2 years.

3 months to
29 Sep 2016
Same period 2015 Same period 2014
FreeSWITCH
Rank 895 958 970
Rank change year-on-year
+63 +12
Permanent jobs citing FreeSWITCH 12 9 14
As % of all permanent IT jobs located in the UK 0.013% 0.008% 0.012%
As % of the Libraries, Frameworks & Software Standards category 0.033% 0.022% 0.032%
Number of salaries quoted 12 7 14
Median salary £47,500 £72,500 £35,000
Median salary % change year-on-year
-34.48% +107.14%
UK excluding London median salary £35,000 - £35,000

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
36728 41176 43607
As % of all permanent IT jobs located in the UK 38.65% 37.68% 38.14%
Number of salaries quoted 31776 35357 36725
Median salary £47,500 £45,000 £42,500
Median salary % change year-on-year
+5.55% +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 £42,000 £40,000 £40,000
% change year-on-year
+5.00% -

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 29 September 2016 within the UK.

FreeSWITCH Salary Histogram in the UK

FreeSWITCH
Top 8 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 29 September 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 +68 12 £47,500 -34.48%
London +46 9 £47,500 -34.48%
South East +52 2 £35,000 -
Guildford - 2 £35,000 -
Surrey - 2 £35,000 -
Telford - 1 £42,500 -
Shropshire - 1 £42,500 -
West Midlands - 1 £42,500 -

FreeSWITCH
Top 30 Related IT Skills

For the 6 months to 29 September 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 26 (83.87%) VoIP
2 22 (70.97%) Linux
3 19 (61.29%) OpenSIPS
4 18 (58.06%) MySQL
5 16 (51.61%) PHP
5 16 (51.61%) RTP
6 13 (41.94%) TCP/IP
7 10 (32.26%) Apache
8 9 (29.03%) LAMP
8 9 (29.03%) Bash Shell
9 8 (25.81%) Firewall
9 8 (25.81%) DNS
10 7 (22.58%) SSL
10 7 (22.58%) Nagios
10 7 (22.58%) WAN
10 7 (22.58%) LDAP
10 7 (22.58%) SS7
10 7 (22.58%) Project Management
10 7 (22.58%) Xen
10 7 (22.58%) CentOS
10 7 (22.58%) RHCSA
10 7 (22.58%) Network Optimisation
11 6 (19.35%) Degree
11 6 (19.35%) Telecoms
12 5 (16.13%) Network Design
12 5 (16.13%) Mitel
12 5 (16.13%) CRM
12 5 (16.13%) PBX
12 5 (16.13%) VMS
12 5 (16.13%) C

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 10 (32.26%) Apache
2 5 (16.13%) nginx
3 2 (6.45%) Tomcat
Cloud Services
1 1 (3.23%) Amazon AWS
Communications & Networking
1 26 (83.87%) VoIP
2 16 (51.61%) RTP
3 13 (41.94%) TCP/IP
4 8 (25.81%) DNS
4 8 (25.81%) Firewall
5 7 (22.58%) LDAP
5 7 (22.58%) SS7
5 7 (22.58%) SSL
5 7 (22.58%) WAN
6 5 (16.13%) CTI
6 5 (16.13%) PBX
7 3 (9.68%) Asterisk PBX
7 3 (9.68%) BGP
7 3 (9.68%) VLAN
7 3 (9.68%) VPN
8 2 (6.45%) Internet
9 1 (3.23%) IPv6
9 1 (3.23%) SMS
Database & Business Intelligence
1 18 (58.06%) MySQL
2 3 (9.68%) NoSQL
3 2 (6.45%) RDBMS
3 2 (6.45%) Relational Database
4 1 (3.23%) MongoDB
4 1 (3.23%) Redis
Development Applications
1 3 (9.68%) Git (software)
2 2 (6.45%) Subversion
3 1 (3.23%) JIRA
General
1 6 (19.35%) Telecoms
2 3 (9.68%) Finance
3 2 (6.45%) Advertising
4 1 (3.23%) Law
Job Titles
1 15 (48.39%) VoIP Engineer
2 9 (29.03%) Linux Engineer
3 6 (19.35%) Network Engineer
4 5 (16.13%) Technical Engineer
4 5 (16.13%) Virtualisation Engineer
5 4 (12.90%) Developer
5 4 (12.90%) NOC Engineer
5 4 (12.90%) Senior Unix Engineer
5 4 (12.90%) Senior VoIP Engineer
5 4 (12.90%) Unix Engineer
6 3 (9.68%) Network Manager
6 3 (9.68%) PHP Developer
6 3 (9.68%) Systems Manager
6 3 (9.68%) Technical Leader
7 2 (6.45%) LAMP Developer
7 2 (6.45%) Linux Developer
7 2 (6.45%) PHP LAMP Developer
7 2 (6.45%) Support Engineer
7 2 (6.45%) Systems Engineer
7 2 (6.45%) VoIP Support Engineer
Libraries, Frameworks & Software Standards
1 9 (29.03%) LAMP
2 3 (9.68%) REST
2 3 (9.68%) SOAP
3 2 (6.45%) LEMP Stack
3 2 (6.45%) RabbitMQ
4 1 (3.23%) beanstalkd
4 1 (3.23%) Node.js
4 1 (3.23%) React Native
4 1 (3.23%) WebRTC
Miscellaneous
1 4 (12.90%) Analytical Skills
2 3 (9.68%) Data Centre
2 3 (9.68%) Mathematics
3 2 (6.45%) Fintech
4 1 (3.23%) Computer Science
4 1 (3.23%) Driving Licence
Operating Systems
1 22 (70.97%) Linux
2 7 (22.58%) CentOS
3 5 (16.13%) Unix
3 5 (16.13%) VMS
4 3 (9.68%) Red Hat Enterprise Linux
5 1 (3.23%) Debian
Processes & Methodologies
1 7 (22.58%) Network Optimisation
1 7 (22.58%) Project Management
2 5 (16.13%) CRM
2 5 (16.13%) Network Design
2 5 (16.13%) Presales
2 5 (16.13%) Prototyping
2 5 (16.13%) Server Building
3 3 (9.68%) Coaching
3 3 (9.68%) Configuration Management
3 3 (9.68%) Mentoring
3 3 (9.68%) MVC
3 3 (9.68%) Network Management
3 3 (9.68%) OOP
3 3 (9.68%) Risk Assessment
4 2 (6.45%) DevOps
5 1 (3.23%) Analytics
5 1 (3.23%) High Availability
5 1 (3.23%) Low Latency
Programming Languages
1 16 (51.61%) PHP
2 9 (29.03%) Bash Shell
3 5 (16.13%) C
3 5 (16.13%) C++
4 2 (6.45%) JavaScript
4 2 (6.45%) Python
5 1 (3.23%) Go
5 1 (3.23%) SQL
Qualifications
1 7 (22.58%) RHCSA
2 6 (19.35%) Degree
3 2 (6.45%) RHCE
Quality Assurance & Compliance
1 5 (16.13%) PA-DSS
1 5 (16.13%) PCI DSS
System Software
1 19 (61.29%) OpenSIPS
2 7 (22.58%) Xen
3 3 (9.68%) Firmware
4 2 (6.45%) Docker
4 2 (6.45%) Kamailio
4 2 (6.45%) VMware ESXi
Systems Management
1 7 (22.58%) Nagios
2 5 (16.13%) Puppet
3 2 (6.45%) Ansible
3 2 (6.45%) Kibana
3 2 (6.45%) Opscode Chef
3 2 (6.45%) Red Hat Spacewalk
3 2 (6.45%) Salt
Vendors
1 5 (16.13%) Avaya
1 5 (16.13%) Cisco
1 5 (16.13%) Genesys
1 5 (16.13%) Mitel
2 3 (9.68%) Red Hat
2 3 (9.68%) Salesforce.com