Period
to

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 19 August 2022 with a comparison to the same period in the previous 2 years.

Kamailio (formerly OpenSER)
UK
6 months to
19 Aug 2022
Same period 2021 Same period 2020
Rank 1205 1008 754
Rank change year-on-year -197 -254 +357
Permanent jobs citing Kamailio 9 17 20
As % of all permanent jobs advertised in the UK 0.005% 0.015% 0.033%
As % of the System Software category 0.032% 0.080% 0.18%
Number of salaries quoted 9 15 20
10th Percentile £41,250 £41,250 -
25th Percentile £45,000 £47,500 £51,250
Median annual salary (50th Percentile) £77,000 £50,000 £56,250
Median % change year-on-year +54.00% -11.11% -7.79%
75th Percentile £80,500 £70,000 £67,500
90th Percentile - - £67,875
UK excluding London median annual salary £42,500 - £61,250
% change year-on-year - - +0.41%

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 28,208 21,275 10,986
As % of all permanent IT jobs advertised in the UK 17.08% 18.34% 18.22%
Number of salaries quoted 14,990 14,866 9,180
10th Percentile £28,500 £29,000 £29,750
25th Percentile £39,772 £38,750 £39,000
Median annual salary (50th Percentile) £55,000 £55,000 £54,500
Median % change year-on-year - +0.92% +9.00%
75th Percentile £78,750 £75,000 £73,000
90th Percentile £95,000 £92,500 £87,500
UK excluding London median annual salary £50,000 £47,500 £45,000
% change year-on-year +5.26% +5.56% +5.88%

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
Salary Histogram

Salary distribution for jobs citing Kamailio over the 6 months to 19 August 2022.

Salary histogram 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 19 August 2022. 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
Jobs
England -163 9 £77,000 +54.00%
London -175 6 £77,000 +54.00%
UK excluding London -63 3 £42,500 -
North West -61 2 £42,500 -
North of England -66 2 £42,500 -
South East - 1 £50,000 -
Work from Home - 1 £50,000 -

For the 6 months to 19 August 2022, 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 9 (100.00%) VoIP
1 9 (100.00%) RTP
1 9 (100.00%) Asterisk PBX
1 9 (100.00%) Open Source
2 8 (88.89%) FreeSWITCH
3 7 (77.78%) Telecoms
4 6 (66.67%) Agile
4 6 (66.67%) Media Streaming
4 6 (66.67%) Lua
4 6 (66.67%) Test Automation
4 6 (66.67%) AWS
4 6 (66.67%) SS7
4 6 (66.67%) ISDN
4 6 (66.67%) PBX
4 6 (66.67%) C
4 6 (66.67%) C++
4 6 (66.67%) Java
4 6 (66.67%) JavaScript
4 6 (66.67%) OpenSIPS
4 6 (66.67%) Functional Testing
4 6 (66.67%) Go
4 6 (66.67%) Secure Coding
5 2 (22.22%) Platform Engineering
5 2 (22.22%) DevOps
5 2 (22.22%) WebRTC
5 2 (22.22%) Unified Communications
5 2 (22.22%) Root Cause Analysis
6 1 (11.11%) Kubernetes
6 1 (11.11%) Docker
6 1 (11.11%) Containerisation

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 6 (66.67%) AWS
Communications & Networking
1 9 (100.00%) Asterisk PBX
1 9 (100.00%) RTP
1 9 (100.00%) VoIP
2 6 (66.67%) ISDN
2 6 (66.67%) PBX
2 6 (66.67%) SS7
3 2 (22.22%) Unified Communications
4 1 (11.11%) BGP
General
1 7 (77.78%) Telecoms
Job Titles
1 6 (66.67%) Developer
1 6 (66.67%) Senior Developer
1 6 (66.67%) Senior Software Developer
1 6 (66.67%) Senior VoIP Developer
1 6 (66.67%) Software Developer
1 6 (66.67%) VoIP Developer
2 2 (22.22%) Asterisk Engineer
2 2 (22.22%) Open Source Engineer
3 1 (11.11%) Administrator
3 1 (11.11%) Architect
3 1 (11.11%) Systems Administrator
3 1 (11.11%) Systems Architect
Libraries, Frameworks & Software Standards
1 8 (88.89%) FreeSWITCH
2 2 (22.22%) WebRTC
Miscellaneous
1 6 (66.67%) Media Streaming
2 1 (11.11%) Data Centre
Operating Systems
1 1 (11.11%) Linux
Processes & Methodologies
1 9 (100.00%) Open Source
2 6 (66.67%) Agile
2 6 (66.67%) Functional Testing
2 6 (66.67%) Secure Coding
2 6 (66.67%) Test Automation
3 2 (22.22%) DevOps
3 2 (22.22%) Platform Engineering
3 2 (22.22%) Root Cause Analysis
4 1 (11.11%) Containerisation
4 1 (11.11%) Network Management
Programming Languages
1 6 (66.67%) C
1 6 (66.67%) C++
1 6 (66.67%) Go
1 6 (66.67%) Java
1 6 (66.67%) JavaScript
1 6 (66.67%) Lua
Qualifications
1 1 (11.11%) CCNA
1 1 (11.11%) Cisco Certification
System Software
1 6 (66.67%) OpenSIPS
2 1 (11.11%) Docker
Systems Management
1 1 (11.11%) Kubernetes
1 1 (11.11%) Proxmox