Period
to 29 February 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 29 February 2020 with a comparison to the same period in the previous 2 years.

Kamailio (formerly OpenSER)
UK
6 months to
29 Feb 2020
Same period 2019 Same period 2018
Rank 991 - 1157
Rank change year-on-year - +1157 +23
Permanent jobs citing Kamailio 18 0 49
As % of all permanent IT jobs advertised in the UK 0.015% - 0.028%
As % of the System Software category 0.087% - 0.21%
Number of salaries quoted 17 0 43
UK median annual salary £62,500 - £40,000
10th Percentile £55,000 - £35,000
90th Percentile £67,500 - £68,750
UK excluding London median annual salary £62,500 - £40,000

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 20,763 23,701 23,687
As % of all permanent IT jobs advertised in the UK 16.99% 15.68% 13.45%
Number of salaries quoted 16,933 19,393 19,522
UK median annual salary £50,000 £50,000 £45,000
Median salary % change year-on-year - +11.11% +5.88%
10th Percentile £26,000 £25,750 £24,500
90th Percentile £85,000 £82,500 £77,500
UK excluding London median annual salary £42,500 £42,500 £40,000
% change year-on-year - +6.25% +6.67%

Kamailio
Job Vacancy Trend

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

Job vacancy trend for Kamailio in the UK

Kamailio
Salary Trend

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

Salary trend for Kamailio in the UK

Kamailio
Salary Histogram

The salary distribution of IT jobs citing Kamailio over the 6 months to 29 February 2020.

Salary histogram for Kamailio in the UK

Kamailio
Top 6 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 29 February 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 - 15 £63,750 - 8
UK excluding London - 10 £62,500 - 4
South East - 8 £62,500 -
London - 5 £65,000 - 4
East Midlands - 2 £62,500 -
Midlands - 2 £62,500 - 3

For the 6 months to 29 February 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 18 (100.00%) VoIP
1 18 (100.00%) Open Source
2 16 (88.89%) FreeSWITCH
3 13 (72.22%) WebRTC
4 11 (61.11%) Python
4 11 (61.11%) DevOps
5 10 (55.56%) Asterisk PBX
5 10 (55.56%) Linux
6 9 (50.00%) C++
7 8 (44.44%) Analytical Skills
8 7 (38.89%) Linux Command Line
8 7 (38.89%) MySQL
8 7 (38.89%) Bash Shell
9 6 (33.33%) STUN
10 5 (27.78%) LAMP
10 5 (27.78%) ActiveMQ
10 5 (27.78%) Software Architecture
10 5 (27.78%) Git (software)
10 5 (27.78%) SQL
10 5 (27.78%) C#
10 5 (27.78%) CTI
10 5 (27.78%) RabbitMQ
11 4 (22.22%) Node.js
11 4 (22.22%) Agile Project Management
11 4 (22.22%) C
11 4 (22.22%) JavaScript
11 4 (22.22%) Erlang
11 4 (22.22%) Project Management
11 4 (22.22%) Agile Software Development
12 3 (16.67%) Telecoms

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 1 (5.56%) Amazon ECS
1 1 (5.56%) Amazon S3
1 1 (5.56%) AWS
1 1 (5.56%) AWS Lambda
1 1 (5.56%) Serverless
Communications & Networking
1 18 (100.00%) VoIP
2 10 (55.56%) Asterisk PBX
3 6 (33.33%) STUN
4 5 (27.78%) CTI
5 2 (11.11%) DNS
5 2 (11.11%) RTP
5 2 (11.11%) TCP/IP
5 2 (11.11%) Wireshark
Database & Business Intelligence
1 7 (38.89%) MySQL
2 2 (11.11%) NoSQL
3 1 (5.56%) Amazon DynamoDB
Development Applications
1 5 (27.78%) Git (software)
General
1 3 (16.67%) Telecoms
Job Titles
1 13 (72.22%) VoIP Engineer
2 11 (61.11%) DevOps Engineer
3 8 (44.44%) Open Source Engineer
4 5 (27.78%) C++ Developer
4 5 (27.78%) Developer
5 4 (22.22%) VoIP Developer
6 3 (16.67%) Asterisk Engineer
Libraries, Frameworks & Software Standards
1 16 (88.89%) FreeSWITCH
2 13 (72.22%) WebRTC
3 5 (27.78%) ActiveMQ
3 5 (27.78%) LAMP
3 5 (27.78%) RabbitMQ
4 4 (22.22%) Node.js
5 2 (11.11%) REST
6 1 (5.56%) Web Services
Miscellaneous
1 8 (44.44%) Analytical Skills
2 7 (38.89%) Linux Command Line
3 1 (5.56%) Self-Motivation
Operating Systems
1 10 (55.56%) Linux
2 2 (11.11%) CentOS
Processes & Methodologies
1 18 (100.00%) Open Source
2 11 (61.11%) DevOps
3 5 (27.78%) Software Architecture
4 4 (22.22%) Agile Project Management
4 4 (22.22%) Agile Software Development
4 4 (22.22%) Project Management
5 2 (11.11%) High Availability
6 1 (5.56%) CRM
6 1 (5.56%) Infrastructure as Code
6 1 (5.56%) Test Automation
Programming Languages
1 11 (61.11%) Python
2 9 (50.00%) C++
3 7 (38.89%) Bash Shell
4 5 (27.78%) C#
4 5 (27.78%) SQL
5 4 (22.22%) C
5 4 (22.22%) Erlang
5 4 (22.22%) JavaScript
System Software
1 3 (16.67%) Docker
Systems Management
1 3 (16.67%) Kubernetes
2 1 (5.56%) Ansible
2 1 (5.56%) Opscode Chef
2 1 (5.56%) Terraform
Vendors
1 1 (5.56%) SaltStack