Period
to 25 June 2019

The following table provides summary statistics for permanent job vacancies advertised in England 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 June 2019 with a comparison to the same period in the previous 2 years.

FreeSWITCH
UK > England
6 months to
25 Jun 2019
Same period 2018 Same period 2017
Rank 1050 1155 1142
Rank change year-on-year +105 -13 +90
Permanent jobs citing FreeSWITCH 15 6 24
As % of all permanent IT jobs advertised in England 0.011% 0.004% 0.015%
As % of the Libraries, Frameworks & Software Standards category 0.029% 0.009% 0.036%
Number of salaries quoted 15 7 23
England median annual salary £44,000 £67,500 £40,000
Median salary % change year-on-year -34.81% +68.75% -
10th Percentile £36,875 £50,000 £28,000
90th Percentile £65,000 £75,000 £63,750
UK median annual salary £44,000 £50,000 £40,000
% change year-on-year -12.00% +25.00% -

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 advertised in England with a requirement for technical specification, industry standards, software libraries and framework skills.

All Software Libraries and Frameworks
England
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 50,889 66,235 66,413
As % of all permanent IT jobs advertised in England 38.14% 40.70% 40.71%
Number of salaries quoted 42,150 55,658 56,584
England median annual salary £53,321 £50,000 £47,500
Median salary % change year-on-year +6.64% +5.26% -
10th Percentile £31,250 £31,250 £29,000
90th Percentile £86,250 £81,250 £77,500
UK median annual salary £52,500 £50,000 £47,500
% change year-on-year +5.00% +5.26% -

FreeSWITCH
Job Vacancy Trend in England

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

Job vacancy trend for FreeSWITCH in England

FreeSWITCH
Salary Trend in England

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

Salary trend for FreeSWITCH in England

FreeSWITCH
Salary Histogram in England

The salary distribution of IT jobs citing FreeSWITCH in England over the 6 months to 25 June 2019.

Salary histogram for FreeSWITCH in England

FreeSWITCH
Job Locations in England

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing FreeSWITCH within the England region over the 6 months to 25 June 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
Midlands +44 8 £40,000 -20.00% 1
West Midlands +41 8 £40,000 -20.00% 1
London +84 4 £65,000 -8.77% 1
South East +39 3 £61,000 +22.00%
FreeSWITCH
UK

For the 6 months to 25 June 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 across the England region with a requirement for FreeSWITCH.

1 14 (93.33%) Linux
2 10 (66.67%) Apache
2 10 (66.67%) VoIP
2 10 (66.67%) CentOS
3 9 (60.00%) Hyper-V
3 9 (60.00%) Technical Leadership
3 9 (60.00%) Windows
3 9 (60.00%) MySQL
4 8 (53.33%) ITIL
4 8 (53.33%) Configuration Management
4 8 (53.33%) Infrastructure Engineering
4 8 (53.33%) Nimble Storage
4 8 (53.33%) Windows 10
4 8 (53.33%) Veeam
4 8 (53.33%) Imperva
4 8 (53.33%) PowerShell
4 8 (53.33%) SCCM
4 8 (53.33%) Network Security
4 8 (53.33%) Bash Shell
5 7 (46.67%) RabbitMQ
5 7 (46.67%) HAProxy
5 7 (46.67%) Red Hat Enterprise Linux
5 7 (46.67%) Ubuntu
5 7 (46.67%) Degree
6 6 (40.00%) DNS
7 5 (33.33%) Microsoft Azure
7 5 (33.33%) Amazon AWS
8 3 (20.00%) Asterisk PBX
8 3 (20.00%) SaaS
8 3 (20.00%) nginx

FreeSWITCH
Co-occurring IT Skills in England 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 (66.67%) Apache
2 3 (20.00%) IIS
2 3 (20.00%) MS Exchange
2 3 (20.00%) nginx
Cloud Services
1 5 (33.33%) Amazon AWS
1 5 (33.33%) Microsoft Azure
2 3 (20.00%) Azure Active Directory
2 3 (20.00%) Office 365
2 3 (20.00%) SaaS
Communications & Networking
1 10 (66.67%) VoIP
2 8 (53.33%) Network Security
3 6 (40.00%) DNS
4 3 (20.00%) Asterisk PBX
4 3 (20.00%) IPv6
4 3 (20.00%) SSH
4 3 (20.00%) Telnet
4 3 (20.00%) Wireless
5 2 (13.33%) RTP
6 1 (6.67%) DHCP
6 1 (6.67%) H.323
6 1 (6.67%) HTTP
6 1 (6.67%) IGMP
6 1 (6.67%) Internet
6 1 (6.67%) RTCP
6 1 (6.67%) SNMP
6 1 (6.67%) SS7
6 1 (6.67%) TCP/IP
6 1 (6.67%) VLAN
6 1 (6.67%) Wireshark
Database & Business Intelligence
1 9 (60.00%) MySQL
2 3 (20.00%) MariaDB
2 3 (20.00%) MongoDB
2 3 (20.00%) Redis
2 3 (20.00%) SQLite
Development Applications
1 3 (20.00%) Git (software)
1 3 (20.00%) PHPUnit
1 3 (20.00%) Travis CI
2 1 (6.67%) GDB
2 1 (6.67%) Subversion
2 1 (6.67%) Team Foundation Server
2 1 (6.67%) Valgrind
2 1 (6.67%) Visual Studio
General
1 1 (6.67%) Finance
1 1 (6.67%) Telecoms
Job Titles
1 8 (53.33%) Infrastructure Engineer
2 5 (33.33%) Senior Infrastructure Engineer
3 3 (20.00%) Backend Developer
3 3 (20.00%) Developer
3 3 (20.00%) PHP Developer
3 3 (20.00%) Software Developer
3 3 (20.00%) Software Engineer
3 3 (20.00%) Telephony Engineer
4 2 (13.33%) 3rd Line Engineer
4 2 (13.33%) 3rd Line Infrastructure Engineer
4 2 (13.33%) MySQL Developer
4 2 (13.33%) PHP MySQL Developer
5 1 (6.67%) C Programmer
5 1 (6.67%) Embedded C Programmer
5 1 (6.67%) Programmer
Libraries, Frameworks & Software Standards
1 7 (46.67%) RabbitMQ
2 3 (20.00%) LAMP
2 3 (20.00%) LEMP Stack
3 1 (6.67%) XML
Operating Systems
1 14 (93.33%) Linux
2 10 (66.67%) CentOS
3 9 (60.00%) Windows
4 8 (53.33%) Windows 10
5 7 (46.67%) Red Hat Enterprise Linux
5 7 (46.67%) Ubuntu
6 3 (20.00%) Windows Server
6 3 (20.00%) Windows Server 2012
Processes & Methodologies
1 9 (60.00%) Technical Leadership
2 8 (53.33%) Configuration Management
2 8 (53.33%) Infrastructure Engineering
2 8 (53.33%) ITIL
3 3 (20.00%) Analytics
3 3 (20.00%) BCP
3 3 (20.00%) Change Management
3 3 (20.00%) Penetration Testing
3 3 (20.00%) Problem-Solving
3 3 (20.00%) Software Engineering
3 3 (20.00%) Speech Recognition
3 3 (20.00%) TDD
4 2 (13.33%) ITIL V3
4 2 (13.33%) ITSM
5 1 (6.67%) IT Strategy
5 1 (6.67%) Mentoring
5 1 (6.67%) OO
5 1 (6.67%) Unit Testing
Programming Languages
1 8 (53.33%) Bash Shell
1 8 (53.33%) PowerShell
2 3 (20.00%) Go
2 3 (20.00%) PHP
3 1 (6.67%) C
3 1 (6.67%) C++
3 1 (6.67%) Embedded C
3 1 (6.67%) Perl
3 1 (6.67%) Python
Qualifications
1 7 (46.67%) Degree
2 2 (13.33%) CCNA
2 2 (13.33%) CCNP
2 2 (13.33%) Cisco Certification
2 2 (13.33%) MBA
2 2 (13.33%) MCSA
2 2 (13.33%) MCSE
2 2 (13.33%) Microsoft Certification
Quality Assurance & Compliance
1 2 (13.33%) ISO/IEC 27001
1 2 (13.33%) PCI DSS
System Software
1 9 (60.00%) Hyper-V
2 3 (20.00%) Active Directory
2 3 (20.00%) Kamailio
3 1 (6.67%) KVM
3 1 (6.67%) VirtualBox
Systems Management
1 8 (53.33%) SCCM
2 7 (46.67%) HAProxy
Vendors
1 8 (53.33%) Imperva
1 8 (53.33%) Nimble Storage
1 8 (53.33%) Veeam
2 3 (20.00%) Cisco
2 3 (20.00%) Meraki
2 3 (20.00%) Microsoft