Period
to 17 November 2017

The following table provides summary statistics for permanent job vacancies 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 17 November 2017 with a comparison to the same period in the previous 2 years.

FreeSWITCH
UK
6 months to
17 Nov 2017
Same period 2016 Same period 2015
Rank 1188 1204 1274
Rank change year-on-year +16 +70 +32
Permanent jobs citing FreeSWITCH 15 20 18
As % of all permanent IT jobs advertised in the UK 0.008% 0.011% 0.008%
As % of the Libraries, Frameworks & Software Standards category 0.021% 0.027% 0.022%
Number of salaries quoted 14 20 15
UK median annual salary £65,000 £46,250 £41,500
Median salary % change year-on-year +40.54% +11.45% +3.75%
10th Percentile £31,375 £32,250 £30,000
90th Percentile £68,750 £64,000 £76,250
UK excluding London median annual salary £36,250 £36,000 £41,500
% change year-on-year +0.69% -13.25% +18.57%

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

All Software Libraries and Frameworks
UK
Permanent vacancies with a requirement for technical specification, industry standards, software libraries and framework skills 72262 74099 83263
As % of all permanent IT jobs advertised in the UK 40.11% 38.97% 37.97%
Number of salaries quoted 60024 64274 71181
UK median annual salary £50,000 £47,500 £45,000
Median salary % change year-on-year +5.26% +5.56% +1.12%
10th Percentile £29,750 £28,750 £27,500
90th Percentile £77,500 £76,250 £73,750
UK excluding London median annual salary £42,500 £42,000 £40,000
% change year-on-year +1.19% +5.00% -

FreeSWITCH
Job Vacancy Trend

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

Job vacancy trend for FreeSWITCH in the UK

FreeSWITCH
Salary Trend

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

Salary trend for FreeSWITCH in the UK

FreeSWITCH
Salary Histogram

The salary distribution of IT jobs citing FreeSWITCH over the 6 months to 17 November 2017.

Salary histogram for FreeSWITCH in the UK

FreeSWITCH
Top 5 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing FreeSWITCH within the UK over the 6 months to 17 November 2017. 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 +56 15 £65,000 +40.54% 1
London +16 12 £67,500 +22.73% 1
UK excluding London +35 3 £36,250 +0.69%
North of England - 3 £36,250 -
North West - 3 £36,250 -

For the 6 months to 17 November 2017, IT jobs citing FreeSWITCH also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all job ads with a requirement for FreeSWITCH.

1 14 (93.33%) Linux
2 13 (86.67%) VoIP
3 12 (80.00%) Python
3 12 (80.00%) Telecoms
3 12 (80.00%) Git (software)
4 11 (73.33%) Puppet
4 11 (73.33%) DevOps
4 11 (73.33%) Nagios
4 11 (73.33%) MySQL
5 10 (66.67%) Perl
5 10 (66.67%) Subversion
5 10 (66.67%) Cacti
5 10 (66.67%) Munin
6 9 (60.00%) Bash Shell
6 9 (60.00%) Kamailio
6 9 (60.00%) Configuration Management
6 9 (60.00%) DNS
7 8 (53.33%) SSL
7 8 (53.33%) Cisco
7 8 (53.33%) HTTP
7 8 (53.33%) Replication
7 8 (53.33%) VMware
7 8 (53.33%) HAProxy
7 8 (53.33%) nginx
7 8 (53.33%) Cisco ASA
7 8 (53.33%) LEMP Stack
8 7 (46.67%) Linux Command Line
8 7 (46.67%) PHP-FPM
8 7 (46.67%) Private Cloud
8 7 (46.67%) BIND 9

FreeSWITCH
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:

Application Platforms
1 8 (53.33%) nginx
2 7 (46.67%) Confluence
2 7 (46.67%) uWSGI
3 5 (33.33%) Apache
4 4 (26.67%) Tomcat
5 2 (13.33%) IIS
6 1 (6.67%) Exchange Server 2010
6 1 (6.67%) MS Exchange
Cloud Services
1 4 (26.67%) Amazon AWS
1 4 (26.67%) Microsoft Azure
2 3 (20.00%) Amazon EC2
2 3 (20.00%) Amazon ELB
2 3 (20.00%) Amazon S3
3 2 (13.33%) Office 365
4 1 (6.67%) IBM Cloud
4 1 (6.67%) SoftLayer
Communications & Networking
1 13 (86.67%) VoIP
2 9 (60.00%) DNS
3 8 (53.33%) Cisco ASA
3 8 (53.33%) HTTP
3 8 (53.33%) SSL
4 7 (46.67%) BGP
4 7 (46.67%) Cisco IOS
4 7 (46.67%) SMTP
4 7 (46.67%) SNMP
4 7 (46.67%) VLAN
5 3 (20.00%) Wireshark
6 2 (13.33%) Asterisk PBX
6 2 (13.33%) RTP
6 2 (13.33%) TCP/IP
7 1 (6.67%) Firewall
7 1 (6.67%) LAN
7 1 (6.67%) PBX
7 1 (6.67%) RTCP
7 1 (6.67%) SAN
7 1 (6.67%) WAN
Database & Business Intelligence
1 11 (73.33%) MySQL
2 7 (46.67%) MariaDB
3 3 (20.00%) InfluxDB
4 2 (13.33%) SQL Server
5 1 (6.67%) Amazon DynamoDB
5 1 (6.67%) Amazon Redshift
5 1 (6.67%) Couchbase
5 1 (6.67%) MongoDB
5 1 (6.67%) NoSQL
5 1 (6.67%) PostgreSQL
5 1 (6.67%) Redis
5 1 (6.67%) SQL Server 2012
5 1 (6.67%) SQL Server 2014
Development Applications
1 12 (80.00%) Git (software)
2 10 (66.67%) Subversion
3 7 (46.67%) JIRA
4 3 (20.00%) Jenkins
4 3 (20.00%) Maven
5 1 (6.67%) Team Foundation Server
5 1 (6.67%) Visual Studio Team System
General
1 12 (80.00%) Telecoms
2 1 (6.67%) Billing
Job Titles
1 11 (73.33%) DevOps Engineer
2 7 (46.67%) Senior DevOps
2 7 (46.67%) Senior DevOps Engineer
3 5 (33.33%) DevOps Systems Engineer
3 5 (33.33%) Linux DevOps Engineer
3 5 (33.33%) Linux Engineer
3 5 (33.33%) Linux Systems Engineer
3 5 (33.33%) Linux/Unix DevOps
3 5 (33.33%) Systems Engineer
4 4 (26.67%) Senior Linux Engineer
4 4 (26.67%) Senior Linux Systems Engineer
4 4 (26.67%) Senior Systems Engineer
5 3 (20.00%) AWS DevOps
5 3 (20.00%) AWS DevOps Engineer
5 3 (20.00%) AWS Engineer
5 3 (20.00%) Azure DevOps
5 3 (20.00%) Azure DevOps Engineer
5 3 (20.00%) Azure Engineer
5 3 (20.00%) Infrastructure Engineer
6 1 (6.67%) Cisco Engineer
Libraries, Frameworks & Software Standards
1 8 (53.33%) LEMP Stack
2 7 (46.67%) Django
2 7 (46.67%) PHP-FPM
2 7 (46.67%) WSGI
3 4 (26.67%) LAMP
4 3 (20.00%) Sensu
5 1 (6.67%) CCXML
5 1 (6.67%) Elastic Stack
5 1 (6.67%) Kafka
5 1 (6.67%) LAPP Stack
5 1 (6.67%) Memcached
5 1 (6.67%) VXML
Miscellaneous
1 8 (53.33%) Replication
2 7 (46.67%) Linux Command Line
2 7 (46.67%) Private Cloud
2 7 (46.67%) Wiki
3 2 (13.33%) Analytical Skills
4 1 (6.67%) Clustering
4 1 (6.67%) Computer Science
4 1 (6.67%) Data Centre
4 1 (6.67%) Handset
4 1 (6.67%) Social Media
Operating Systems
1 14 (93.33%) Linux
2 7 (46.67%) Debian
2 7 (46.67%) Ubuntu
3 3 (20.00%) VMS
3 3 (20.00%) Windows
4 2 (13.33%) Windows Server
5 1 (6.67%) CentOS
5 1 (6.67%) CoreOS
5 1 (6.67%) Unix
5 1 (6.67%) Windows Server 2012
Processes & Methodologies
1 11 (73.33%) DevOps
2 9 (60.00%) Configuration Management
3 7 (46.67%) BCP
3 7 (46.67%) Release Management
4 5 (33.33%) Open Source
5 3 (20.00%) Continuous Integration
5 3 (20.00%) High Availability
5 3 (20.00%) Task Automation
6 1 (6.67%) Disaster Recovery
6 1 (6.67%) ITIL
6 1 (6.67%) Load Balancing
6 1 (6.67%) Penetration Testing
Programming Languages
1 12 (80.00%) Python
2 10 (66.67%) Perl
3 9 (60.00%) Bash Shell
4 7 (46.67%) PHP
5 5 (33.33%) SQL
6 4 (26.67%) Ruby
7 3 (20.00%) Erlang
8 1 (6.67%) PowerShell
8 1 (6.67%) Shell Script
Qualifications
1 2 (13.33%) Degree
2 1 (6.67%) CCNA
2 1 (6.67%) CCNP
2 1 (6.67%) Cisco Certification
2 1 (6.67%) Computer Science Degree
2 1 (6.67%) Master's Degree
2 1 (6.67%) MCSE
2 1 (6.67%) Microsoft Certification
System Software
1 9 (60.00%) Kamailio
2 7 (46.67%) BIND 9
2 7 (46.67%) Postfix
2 7 (46.67%) VMware ESXi
2 7 (46.67%) VMware Infrastructure
3 4 (26.67%) Docker
4 3 (20.00%) Virtual Machines
5 2 (13.33%) Active Directory
5 2 (13.33%) Hyper-V
5 2 (13.33%) OpenSIPS
6 1 (6.67%) Apache ZooKeeper
6 1 (6.67%) Xen
Systems Management
1 11 (73.33%) Nagios
1 11 (73.33%) Puppet
2 10 (66.67%) Cacti
2 10 (66.67%) Munin
3 8 (53.33%) HAProxy
4 4 (26.67%) Grafana
4 4 (26.67%) Graphite
5 3 (20.00%) Opscode Chef
5 3 (20.00%) Salt
5 3 (20.00%) Terraform
6 1 (6.67%) Ansible
6 1 (6.67%) Consul
6 1 (6.67%) Icinga
6 1 (6.67%) Microsoft Clustering
6 1 (6.67%) Riemann
Vendors
1 8 (53.33%) Cisco
1 8 (53.33%) VMware
2 7 (46.67%) Dell
3 2 (13.33%) Microsoft
4 1 (6.67%) BroadSoft
4 1 (6.67%) Ericsson
4 1 (6.67%) GENBAND
4 1 (6.67%) Oracle
4 1 (6.67%) Rackspace
4 1 (6.67%) Sage
4 1 (6.67%) Sonus