The following table provides summary statistics for permanent job vacancies with a requirement for RS-232 skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited RS-232 over the 3 months to 23 May 2017 with a comparison to the same period in the previous 2 years.

RS-232
UK
3 months to
23 May 2017
Same period 2016 Same period 2015
Rank 798 890 899
Rank change year-on-year +92 +9  
Permanent jobs citing RS-232 65 49 68
As % of all permanent IT jobs advertised in the UK 0.076% 0.050% 0.063%
As % of the Communications & Networking category 0.48% 0.29% 0.35%
Number of salaries quoted 59 48 62
Median salary £40,000 £47,500 £37,500
Median salary % change year-on-year -15.78% +26.66%  
90% offered a salary of more than £35,000 £35,000 £34,200
10% offered a salary of more than £43,000 £47,500 £45,000
UK excluding London median salary £40,000 £47,500 £37,500
% change year-on-year -15.78% +26.66%  

RS-232 is in the communications and computer networking skills category. The next table is for comparison with the above and provides summary statistics for all permanent job vacancies with a requirement for communications and computer networking skills.

Communications & Computer Network Skills
UK
Permanent job vacancies with a requirement for communications and computer networking skills 13556 16772 19345
As % of all permanent IT job vacancies advertised in the UK 15.91% 17.03% 17.88%
Number of salaries quoted 11009 13913 15492
Median salary £45,000 £45,000 £45,000
90% offered a salary of more than £27,500 £26,500 £27,500
10% offered a salary of more than £67,500 £67,500 £67,500
UK excluding London median salary £42,500 £42,500 £42,500

RS-232
Job Vacancy Trend

The job posting trend of jobs advertised citing RS-232 as a proportion of all permanent or contract IT jobs with a match in the Communications & Networking category.

Job vacancy trend for RS-232 in the UK

RS-232
Salary Trend

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing RS-232.

Salary trend for RS-232 in the UK

RS-232
Salary Histogram

The salary distribution of IT jobs citing RS-232 over the 3 months to 23 May 2017.

Salary histogram for RS-232 in the UK

RS-232
Top 30 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing RS-232 within the UK over the 3 months to 23 May 2017. The 'Rank Change' column provides an indication of the change in demand within each location based on the same 3 month period last year.

Location Rank Change
on Same Period
Last Year
Matching
Permanent
IT Job Ads
Median Salary
Last 3 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
England +79 61 £40,000 -15.78% 6
North West - 16 £37,500 - 1
Manchester - 16 £37,500 - 1
Yorkshire +30 15 £40,000 +6.66%
South Yorkshire - 15 £40,000 -
Doncaster - 12 £40,000 -
North East - 9 £35,000 - 2
South East +71 8 £40,000 +14.28% 1
Durham - 8 £35,000 - 1
Berkshire +32 6 £40,000 +14.28% 1
Bracknell - 6 £40,000 - 1
West Midlands +24 5 £45,000 +63.63%
Scotland +12 4 £55,000 +29.41%
South West -11 3 £42,500 -10.52%
Glasgow - 3 £55,000 -
Barnsley - 3 £40,000 -
Coventry - 3 £47,500 -
London +49 2 - -
East Midlands +13 2 £30,000 -20.00%
Devon - 2 £42,500 -
Birmingham +13 1 £41,000 +49.09%
East of England +11 1 £40,000 - 2
Worcestershire - 1 £41,500 -
West Lothian - 1 - -
Loughborough - 1 £30,000 -
Somerset - 1 £47,500 -
Oxfordshire - 1 £22,500 -
Leicestershire - 1 £30,000 -
East Sussex - 1 £48,000 -
Derbyshire - 1 £30,000 -

For the 6 months to 23 May 2017, IT jobs citing RS-232 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 RS-232.

1 91 (78.45%) Software Engineering
2 89 (76.72%) C++
3 87 (75.00%) C
4 80 (68.97%) Ethernet
5 71 (61.21%) Firmware
5 71 (61.21%) TCP/IP
6 61 (52.59%) RS-485
7 58 (50.00%) Embedded C
8 54 (46.55%) Wireless
9 53 (45.69%) Embedded C++
10 52 (44.83%) Electronics
11 41 (35.34%) Bluetooth
12 37 (31.90%) C#
13 32 (27.59%) Home Automation
14 31 (26.72%) Degree
14 31 (26.72%) ZigBee
15 30 (25.86%) Windows
16 29 (25.00%) Agile Software Development
16 29 (25.00%) Manufacturing
17 27 (23.28%) Linux
18 26 (22.41%) Test Automation
18 26 (22.41%) RS-422
19 25 (21.55%) Visual Studio
20 24 (20.69%) Validation
20 24 (20.69%) .NET
21 23 (19.83%) Analytical Skills
21 23 (19.83%) ANSI C
22 22 (18.97%) Embedded Software Development
22 22 (18.97%) Web Services
23 21 (18.10%) SQL

RS-232
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 1 (0.86%) Apache
1 1 (0.86%) IIS
Applications
1 1 (0.86%) GIMP
1 1 (0.86%) GNU Octave
1 1 (0.86%) Microsoft Office
1 1 (0.86%) Simulink
Business Applications
1 10 (8.62%) Infor M3
Communications & Networking
1 80 (68.97%) Ethernet
2 71 (61.21%) TCP/IP
3 61 (52.59%) RS-485
4 54 (46.55%) Wireless
5 41 (35.34%) Bluetooth
6 31 (26.72%) ZigBee
7 26 (22.41%) RS-422
8 11 (9.48%) GSM
9 10 (8.62%) GPRS
9 10 (8.62%) Wi-Fi
10 5 (4.31%) Modbus
11 4 (3.45%) Profibus
12 3 (2.59%) FTP
13 2 (1.72%) 3G
13 2 (1.72%) DHCP
13 2 (1.72%) DNS
13 2 (1.72%) PPP
14 1 (0.86%) LAN
14 1 (0.86%) MQTT
14 1 (0.86%) Wireshark
Database & Business Intelligence
1 16 (13.79%) RDBMS
1 16 (13.79%) Relational Database
1 16 (13.79%) SQL Server
2 14 (12.07%) SQL Server 2012
2 14 (12.07%) SQL Server 2014
3 4 (3.45%) MySQL
4 1 (0.86%) Crystal Reports
4 1 (0.86%) MongoDB
Development Applications
1 25 (21.55%) Visual Studio
2 14 (12.07%) Microsoft Blend
2 14 (12.07%) MSI
2 14 (12.07%) MSTest
2 14 (12.07%) NuGet
2 14 (12.07%) NUnit
2 14 (12.07%) Team Foundation Server
2 14 (12.07%) WiX
3 4 (3.45%) JIRA
4 3 (2.59%) LabVIEW
4 3 (2.59%) Subversion
5 2 (1.72%) Git (software)
General
1 52 (44.83%) Electronics
2 29 (25.00%) Manufacturing
3 15 (12.93%) Marketing
4 9 (7.76%) Automotive
5 4 (3.45%) Games
5 4 (3.45%) Legal
6 1 (0.86%) Aerospace
6 1 (0.86%) Military
Job Titles
1 73 (62.93%) Software Engineer
2 67 (57.76%) Embedded Engineer
2 67 (57.76%) Embedded Software Engineer
3 43 (37.07%) Firmware Engineer
4 34 (29.31%) Embedded Firmware Engineer
5 25 (21.55%) C++ Software Engineer
5 25 (21.55%) Embedded C++ Engineer
5 25 (21.55%) Embedded C++ Software Engineer
6 23 (19.83%) C Software Engineer
6 23 (19.83%) Embedded C Engineer
6 23 (19.83%) Embedded C Software Engineer
7 21 (18.10%) C/C++ Embedded Software Engineer
7 21 (18.10%) C/C++ Software Engineer
7 21 (18.10%) Embedded C/C++ Engineer
7 21 (18.10%) Embedded C/C++ Software Engineer
8 20 (17.24%) Developer
9 15 (12.93%) C# Developer
10 14 (12.07%) .NET Developer
10 14 (12.07%) C# .NET Developer
11 9 (7.76%) Hardware Engineer
Libraries, Frameworks & Software Standards
1 24 (20.69%) .NET
2 22 (18.97%) Web Services
3 20 (17.24%) XML
4 15 (12.93%) Entity Framework
4 15 (12.93%) Silverlight
4 15 (12.93%) WCF
4 15 (12.93%) WPF
5 14 (12.07%) .NET Compact Framework
5 14 (12.07%) .NET Framework
5 14 (12.07%) COM
5 14 (12.07%) Lambda Expressions
5 14 (12.07%) LINQ
5 14 (12.07%) LINQ to SQL
5 14 (12.07%) NHibernate
5 14 (12.07%) Unity DI Container
5 14 (12.07%) XSD
6 13 (11.21%) MFC
7 10 (8.62%) Qt
8 8 (6.90%) HTML
9 4 (3.45%) wxWidgets
Miscellaneous
1 32 (27.59%) Home Automation
2 23 (19.83%) Analytical Skills
3 15 (12.93%) Greenfield Project
4 14 (12.07%) Data Structures
4 14 (12.07%) Industrial Internet of Things
4 14 (12.07%) Internet of Things
5 13 (11.21%) Algorithms
5 13 (11.21%) Embedded Systems
6 5 (4.31%) CAN bus
6 5 (4.31%) Field-Programmable Gate Array
7 4 (3.45%) Device Driver
8 2 (1.72%) Computer Science
8 2 (1.72%) Video Conferencing
9 1 (0.86%) Driving Licence
9 1 (0.86%) Mobile App
9 1 (0.86%) User Experience
9 1 (0.86%) VHDL
Operating Systems
1 30 (25.86%) Windows
2 27 (23.28%) Linux
3 14 (12.07%) Mac OS
3 14 (12.07%) Windows Embedded Compact
4 1 (0.86%) Android
4 1 (0.86%) Debian
4 1 (0.86%) Embedded Linux
4 1 (0.86%) Windows Server
Processes & Methodologies
1 91 (78.45%) Software Engineering
2 29 (25.00%) Agile Software Development
3 26 (22.41%) Test Automation
4 24 (20.69%) Validation
5 22 (18.97%) Embedded Software Development
6 19 (16.38%) UML
7 18 (15.52%) Scrum
8 17 (14.66%) Multithreading
9 15 (12.93%) MVC
9 15 (12.93%) OO
9 15 (12.93%) TDD
9 15 (12.93%) Unit Testing
10 14 (12.07%) Dependency Injection
10 14 (12.07%) Inversion of Control
10 14 (12.07%) Kanban
10 14 (12.07%) MVVM
10 14 (12.07%) OOD
10 14 (12.07%) Physics
10 14 (12.07%) Product Management
10 14 (12.07%) RUP
Programming Languages
1 89 (76.72%) C++
2 87 (75.00%) C
3 58 (50.00%) Embedded C
4 53 (45.69%) Embedded C++
5 37 (31.90%) C#
6 23 (19.83%) ANSI C
7 21 (18.10%) SQL
8 14 (12.07%) XAML
9 6 (5.17%) Python
10 5 (4.31%) Java
10 5 (4.31%) PHP
11 4 (3.45%) Ruby
12 3 (2.59%) JavaScript
12 3 (2.59%) Perl
12 3 (2.59%) VC++
13 2 (1.72%) VB
14 1 (0.86%) Assembly Language
14 1 (0.86%) MATLAB
14 1 (0.86%) VB.NET
Qualifications
1 31 (26.72%) Degree
2 1 (0.86%) Postgraduate
2 1 (0.86%) SC Cleared
2 1 (0.86%) Security Cleared
Quality Assurance & Compliance
1 9 (7.76%) ISO 9001
2 8 (6.90%) JTAG
3 4 (3.45%) QA
4 1 (0.86%) MISRA
System Software
1 71 (61.21%) Firmware
Systems Management
1 1 (0.86%) Systems Management Server (SMS)
Vendors
1 17 (14.66%) Microsoft
2 10 (8.62%) EMC
3 9 (7.76%) NEC
4 6 (5.17%) Freescale
5 4 (3.45%) Lauterbach
6 3 (2.59%) Oracle
7 1 (0.86%) Assembla
7 1 (0.86%) Atlassian
7 1 (0.86%) Facebook
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