Period
to 27 February 2020

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

FreeSWITCH
UK > England
6 months to
27 Feb 2020
Same period 2019 Same period 2018
Rank 955 1076 1153
Rank change year-on-year +121 +77 0
Permanent jobs citing FreeSWITCH 14 6 24
As % of all permanent IT jobs advertised in England 0.012% 0.004% 0.015%
As % of the Libraries, Frameworks & Software Standards category 0.032% 0.011% 0.036%
Number of salaries quoted 13 6 18
England median annual salary £65,000 £55,000 £67,500
Median salary % change year-on-year +18.18% -18.52% +35.00%
10th Percentile £57,500 £52,500 £57,750
90th Percentile £67,500 £57,500 £75,000
UK median annual salary £62,500 £55,000 £67,500
% change year-on-year +13.64% -18.52% +35.00%

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 43,850 55,708 67,180
As % of all permanent IT jobs advertised in England 38.62% 39.68% 40.70%
Number of salaries quoted 36,363 46,111 57,265
England median annual salary £55,000 £52,500 £50,000
Median salary % change year-on-year +4.76% +5.00% +5.26%
10th Percentile £32,500 £31,250 £30,000
90th Percentile £90,000 £85,000 £80,000
UK median annual salary £55,000 £52,500 £50,000
% change year-on-year +4.76% +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 27 February 2020.

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 27 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
South East - 9 £60,000 -
London - 3 £65,000 - 3
East Midlands - 2 £62,500 -
Midlands - 2 £62,500 -
FreeSWITCH
UK

For the 6 months to 27 February 2020, 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 (100.00%) VoIP
2 13 (92.86%) Open Source
2 13 (92.86%) Kamailio
3 9 (64.29%) WebRTC
3 9 (64.29%) DevOps
4 8 (57.14%) Analytical Skills
5 7 (50.00%) C++
6 6 (42.86%) Linux
6 6 (42.86%) Python
6 6 (42.86%) STUN
6 6 (42.86%) Asterisk PBX
7 5 (35.71%) Node.js
7 5 (35.71%) Project Management
8 4 (28.57%) Agile Software Development
8 4 (28.57%) Erlang
8 4 (28.57%) Telecoms
8 4 (28.57%) JavaScript
8 4 (28.57%) C
8 4 (28.57%) Agile Project Management
9 2 (14.29%) Linux Command Line
9 2 (14.29%) AWS Lambda
9 2 (14.29%) Serverless
9 2 (14.29%) Self-Motivation
9 2 (14.29%) RabbitMQ
9 2 (14.29%) C#
9 2 (14.29%) SQL
9 2 (14.29%) MySQL
9 2 (14.29%) LAMP
9 2 (14.29%) CTI
9 2 (14.29%) Git (software)

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 1 (7.14%) Apache
Cloud Services
1 2 (14.29%) AWS
1 2 (14.29%) AWS Lambda
1 2 (14.29%) Serverless
2 1 (7.14%) Amazon ECS
2 1 (7.14%) Amazon S3
Communications & Networking
1 14 (100.00%) VoIP
2 6 (42.86%) Asterisk PBX
2 6 (42.86%) STUN
3 2 (14.29%) CTI
4 1 (7.14%) RTP
Database & Business Intelligence
1 2 (14.29%) MySQL
2 1 (7.14%) Amazon DynamoDB
Development Applications
1 2 (14.29%) Git (software)
General
1 4 (28.57%) Telecoms
Job Titles
1 11 (78.57%) VoIP Engineer
2 9 (64.29%) DevOps Engineer
3 8 (57.14%) Open Source Engineer
4 3 (21.43%) Asterisk Engineer
5 2 (14.29%) C++ Developer
5 2 (14.29%) Developer
6 1 (7.14%) Software Engineer
6 1 (7.14%) Telecoms Engineer
6 1 (7.14%) Telecoms Software Engineer
6 1 (7.14%) VoIP Developer
Libraries, Frameworks & Software Standards
1 9 (64.29%) WebRTC
2 5 (35.71%) Node.js
3 2 (14.29%) ActiveMQ
3 2 (14.29%) LAMP
3 2 (14.29%) RabbitMQ
4 1 (7.14%) REST
4 1 (7.14%) Web Services
Miscellaneous
1 8 (57.14%) Analytical Skills
2 2 (14.29%) Linux Command Line
2 2 (14.29%) Self-Motivation
Operating Systems
1 6 (42.86%) Linux
Processes & Methodologies
1 13 (92.86%) Open Source
2 9 (64.29%) DevOps
3 5 (35.71%) Project Management
4 4 (28.57%) Agile Project Management
4 4 (28.57%) Agile Software Development
5 2 (14.29%) Software Architecture
6 1 (7.14%) CRM
6 1 (7.14%) Customer Requirements
6 1 (7.14%) Infrastructure as Code
6 1 (7.14%) OOP
6 1 (7.14%) Software Engineering
6 1 (7.14%) Test Automation
Programming Languages
1 7 (50.00%) C++
2 6 (42.86%) Python
3 4 (28.57%) C
3 4 (28.57%) Erlang
3 4 (28.57%) JavaScript
4 2 (14.29%) Bash Shell
4 2 (14.29%) C#
4 2 (14.29%) SQL
5 1 (7.14%) PHP
Qualifications
1 1 (7.14%) Degree
System Software
1 13 (92.86%) Kamailio
2 1 (7.14%) Docker
Systems Management
1 1 (7.14%) Ansible
1 1 (7.14%) Kubernetes
1 1 (7.14%) Opscode Chef
1 1 (7.14%) Terraform
Vendors
1 1 (7.14%) SaltStack