Period
to 26 October 2020

The following table provides summary statistics for permanent job vacancies with a requirement for Kamailio skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Kamailio over the 6 months to 26 October 2020 with a comparison to the same period in the previous 2 years.

Kamailio (formerly OpenSER)
UK
6 months to
26 Oct 2020
Same period 2019 Same period 2018
Rank 697 1066 1182
Rank change year-on-year +369 +116 +2
Permanent jobs citing Kamailio 11 7 1
As % of all permanent jobs advertised in the UK 0.022% 0.005% 0.001%
As % of the System Software category 0.12% 0.030% 0.004%
Number of salaries quoted 27 12 1
Median annual salary £57,500 £61,000 £27,500
Median salary % change year-on-year -5.74% +121.82% -31.25%
10th Percentile £52,500 £58,000 £26,250
90th Percentile £61,250 £64,000 £28,750
UK excluding London median annual salary £57,500 £61,000 £27,500
% change year-on-year -5.74% +121.82% -31.25%

Kamailio is in the System Software category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for system software skills.

All System Software Skills
UK
Permanent vacancies with a requirement for system software skills 9,095 23,364 24,672
As % of all permanent IT jobs advertised in the UK 18.45% 17.18% 14.98%
Number of salaries quoted 7,724 19,255 20,149
Median annual salary £55,000 £50,000 £50,000
Median salary % change year-on-year +10.00% - +11.11%
10th Percentile £30,000 £25,500 £24,856
90th Percentile £86,250 £85,000 £81,250
UK excluding London median annual salary £46,000 £42,500 £42,500
% change year-on-year +8.24% - +8.97%

Kamailio
Job Vacancy Trend

Job postings citing Kamailio as a proportion of all IT jobs advertised.

Job vacancy trend for Kamailio in the UK

Kamailio
Salary Trend

3-month moving average salary quoted in jobs citing Kamailio.

Salary trend for Kamailio in the UK

Kamailio
Top 7 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Kamailio within the UK over the 6 months to 26 October 2020. 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 +391 11 £57,500 -5.74% 4
UK excluding London +306 7 £57,500 -5.74%
South East +214 7 £57,500 -5.74%
West Midlands - 7 £57,500 -
Midlands - 7 £57,500 -
London - 4 £55,000 - 4
Work from Home +32 2 £55,000 -9.84% 2

For the 6 months to 26 October 2020, IT jobs citing Kamailio 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 Kamailio.

1 11 (100.00%) VoIP
1 11 (100.00%) Linux
1 11 (100.00%) Asterisk PBX
1 11 (100.00%) FreeSWITCH
2 9 (81.82%) WebRTC
3 8 (72.73%) Open Source
4 7 (63.64%) SaaS
5 3 (27.27%) Telecoms
6 2 (18.18%) OpenSIPS
6 2 (18.18%) Unified Communications
7 1 (9.09%) Yealink
7 1 (9.09%) High Availability
7 1 (9.09%) Sonus
7 1 (9.09%) Functional Testing
7 1 (9.09%) Agile Software Development
7 1 (9.09%) Secure Coding
7 1 (9.09%) Debian
7 1 (9.09%) PBX
7 1 (9.09%) Capacity Planning
7 1 (9.09%) Software Engineering
7 1 (9.09%) Media Streaming
7 1 (9.09%) Degree
7 1 (9.09%) Lua
7 1 (9.09%) CentOS
7 1 (9.09%) Red Hat Enterprise Linux
7 1 (9.09%) Test Automation
7 1 (9.09%) AWS
7 1 (9.09%) Internet
7 1 (9.09%) RTP
7 1 (9.09%) Firewall

Kamailio
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:

Cloud Services
1 7 (63.64%) SaaS
2 1 (9.09%) AWS
Communications & Networking
1 11 (100.00%) Asterisk PBX
1 11 (100.00%) VoIP
2 2 (18.18%) Unified Communications
3 1 (9.09%) Firewall
3 1 (9.09%) Internet
3 1 (9.09%) PBX
3 1 (9.09%) RTP
General
1 3 (27.27%) Telecoms
Job Titles
1 11 (100.00%) VoIP Engineer
2 7 (63.64%) Applications Engineer
2 7 (63.64%) Design Engineer
2 7 (63.64%) Open Source Engineer
3 2 (18.18%) Asterisk Engineer
4 1 (9.09%) Software Engineer
Libraries, Frameworks & Software Standards
1 11 (100.00%) FreeSWITCH
2 9 (81.82%) WebRTC
3 1 (9.09%) CSS
3 1 (9.09%) HTML
Miscellaneous
1 1 (9.09%) Media Streaming
Operating Systems
1 11 (100.00%) Linux
2 1 (9.09%) CentOS
2 1 (9.09%) Debian
2 1 (9.09%) Red Hat Enterprise Linux
Processes & Methodologies
1 8 (72.73%) Open Source
2 1 (9.09%) Agile Software Development
2 1 (9.09%) Capacity Planning
2 1 (9.09%) Functional Testing
2 1 (9.09%) High Availability
2 1 (9.09%) Secure Coding
2 1 (9.09%) Software Engineering
2 1 (9.09%) Test Automation
Programming Languages
1 1 (9.09%) C
1 1 (9.09%) C++
1 1 (9.09%) JavaScript
1 1 (9.09%) Lua
Qualifications
1 1 (9.09%) Degree
System Software
1 2 (18.18%) OpenSIPS
Vendors
1 1 (9.09%) Sonus
1 1 (9.09%) Yealink