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 26 June 2017 with a comparison to the same period in the previous 2 years.

RS-232
UK
3 months to
26 Jun 2017
Same period 2016 Same period 2015
Rank 825 892 922
Rank change year-on-year +67 +30  
Permanent jobs citing RS-232 49 41 62
As % of all permanent IT jobs advertised in the UK 0.055% 0.042% 0.056%
As % of the Communications & Networking category 0.34% 0.25% 0.32%
Number of salaries quoted 46 39 53
Median salary £37,500 £42,500 £40,000
Median salary % change year-on-year -11.76% +6.25%  
90% offered a salary of more than £35,000 £35,000 £35,000
10% offered a salary of more than £46,250 £47,500 £45,000
UK excluding London median salary £37,500 £47,500 £40,000
% change year-on-year -21.05% +18.75%  

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 14409 16452 19238
As % of all permanent IT job vacancies advertised in the UK 16.11% 16.95% 17.36%
Number of salaries quoted 11742 13680 15693
Median salary £45,000 £45,000 £45,000
90% offered a salary of more than £27,500 £27,000 £27,000
10% offered a salary of more than £70,000 £67,500 £67,500
UK excluding London median salary £42,500 £42,500 £42,000
% change year-on-year - +1.19%  

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 26 June 2017.

Salary histogram for RS-232 in the UK

RS-232
Top 29 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 26 June 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 +44 46 £37,500 -11.76% 5
North West - 15 £37,500 -
Manchester - 15 £37,500 -
South Yorkshire - 10 £40,000 -
Yorkshire - 10 £40,000 -
North East - 10 £35,000 - 1
Durham - 9 £35,000 - 1
Doncaster - 8 £40,000 -
South East +60 4 £40,000 +6.66% 1
West Midlands +16 3 £47,500 +72.72%
Glasgow +14 3 £55,000 +37.50%
Scotland +7 3 £55,000 +37.50%
East of England +4 3 £40,000 - 1
Coventry - 3 £47,500 -
Berkshire +20 2 £40,000 +14.28%
Barnsley - 2 £36,500 -
Bracknell - 2 £40,000 -
Cambridgeshire - 2 £45,000 - 1
East Midlands +19 1 £32,500 -13.33%
Hertfordshire -5 1 £35,000 -
Newcastle upon Tyne - 1 - -
East Sussex - 1 £48,000 -
Oxfordshire - 1 £22,500 -
Derby - 1 £32,500 -
Uckfield - 1 £48,000 -
Hemel Hempstead - 1 £35,000 -
Abingdon - 1 £22,500 -
Derbyshire - 1 £32,500 -
Tyne and Wear - 1 - -

For the 6 months to 26 June 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 88 (81.48%) Software Engineering
2 87 (80.56%) C++
3 84 (77.78%) C
4 72 (66.67%) Ethernet
5 64 (59.26%) Firmware
6 63 (58.33%) TCP/IP
7 53 (49.07%) RS-485
7 53 (49.07%) Embedded C
8 52 (48.15%) Wireless
9 47 (43.52%) Embedded C++
10 46 (42.59%) Electronics
11 40 (37.04%) C#
12 32 (29.63%) Bluetooth
12 32 (29.63%) Degree
13 31 (28.70%) Agile Software Development
14 30 (27.78%) Linux
15 29 (26.85%) .NET
15 29 (26.85%) Test Automation
16 28 (25.93%) Home Automation
16 28 (25.93%) Windows
17 26 (24.07%) Visual Studio
18 25 (23.15%) Manufacturing
19 24 (22.22%) SQL
20 23 (21.30%) ZigBee
21 22 (20.37%) Web Services
22 21 (19.44%) Scrum
23 20 (18.52%) Validation
23 20 (18.52%) UML
23 20 (18.52%) SQL Server
23 20 (18.52%) Microsoft

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 (0.93%) IIS
Applications
1 1 (0.93%) GNU Octave
1 1 (0.93%) Simulink
Business Applications
1 10 (9.26%) Infor M3
Communications & Networking
1 72 (66.67%) Ethernet
2 63 (58.33%) TCP/IP
3 53 (49.07%) RS-485
4 52 (48.15%) Wireless
5 32 (29.63%) Bluetooth
6 23 (21.30%) ZigBee
7 20 (18.52%) RS-422
8 10 (9.26%) GPRS
8 10 (9.26%) GSM
9 7 (6.48%) Modbus
10 6 (5.56%) Profibus
10 6 (5.56%) Wi-Fi
11 2 (1.85%) 3G
12 1 (0.93%) DHCP
12 1 (0.93%) DNS
12 1 (0.93%) Firewall
12 1 (0.93%) FTP
12 1 (0.93%) MQTT
Database & Business Intelligence
1 20 (18.52%) SQL Server
2 19 (17.59%) RDBMS
2 19 (17.59%) Relational Database
3 17 (15.74%) SQL Server 2012
3 17 (15.74%) SQL Server 2014
4 2 (1.85%) MongoDB
4 2 (1.85%) MySQL
5 1 (0.93%) MS Access
Development Applications
1 26 (24.07%) Visual Studio
2 17 (15.74%) Microsoft Blend
2 17 (15.74%) MSI
2 17 (15.74%) MSTest
2 17 (15.74%) NuGet
2 17 (15.74%) NUnit
2 17 (15.74%) Team Foundation Server
2 17 (15.74%) WiX
3 4 (3.70%) JIRA
4 3 (2.78%) LabVIEW
4 3 (2.78%) Subversion
5 2 (1.85%) Git (software)
General
1 46 (42.59%) Electronics
2 25 (23.15%) Manufacturing
3 17 (15.74%) Marketing
4 11 (10.19%) Automotive
5 4 (3.70%) Games
5 4 (3.70%) Legal
6 2 (1.85%) Military
7 1 (0.93%) Aerospace
Job Titles
1 67 (62.04%) Software Engineer
2 60 (55.56%) Embedded Engineer
2 60 (55.56%) Embedded Software Engineer
3 35 (32.41%) Firmware Engineer
4 28 (25.93%) Embedded Firmware Engineer
5 25 (23.15%) C++ Software Engineer
5 25 (23.15%) Embedded C++ Engineer
5 25 (23.15%) Embedded C++ Software Engineer
6 24 (22.22%) Developer
7 23 (21.30%) C Software Engineer
7 23 (21.30%) C/C++ Embedded Software Engineer
7 23 (21.30%) C/C++ Software Engineer
7 23 (21.30%) Embedded C Engineer
7 23 (21.30%) Embedded C Software Engineer
7 23 (21.30%) Embedded C/C++ Engineer
7 23 (21.30%) Embedded C/C++ Software Engineer
8 19 (17.59%) C# Developer
9 17 (15.74%) .NET Developer
9 17 (15.74%) C# .NET Developer
10 8 (7.41%) Senior Software Engineer
Libraries, Frameworks & Software Standards
1 29 (26.85%) .NET
2 22 (20.37%) Web Services
3 19 (17.59%) Silverlight
3 19 (17.59%) WCF
3 19 (17.59%) XML
4 18 (16.67%) .NET Framework
4 18 (16.67%) Entity Framework
4 18 (16.67%) WPF
5 17 (15.74%) .NET Compact Framework
5 17 (15.74%) COM
5 17 (15.74%) Lambda Expressions
5 17 (15.74%) LINQ
5 17 (15.74%) LINQ to SQL
5 17 (15.74%) NHibernate
5 17 (15.74%) Unity DI Container
5 17 (15.74%) XSD
6 11 (10.19%) MFC
7 10 (9.26%) Qt
8 8 (7.41%) HTML
9 6 (5.56%) wxWidgets
Miscellaneous
1 28 (25.93%) Home Automation
2 19 (17.59%) Analytical Skills
2 19 (17.59%) Greenfield Project
3 17 (15.74%) Algorithms
3 17 (15.74%) Data Structures
3 17 (15.74%) Industrial Internet of Things
3 17 (15.74%) Internet of Things
4 16 (14.81%) Embedded Systems
5 7 (6.48%) CAN bus
6 3 (2.78%) Field-Programmable Gate Array
7 2 (1.85%) Device Driver
7 2 (1.85%) Mobile App
7 2 (1.85%) User Experience
7 2 (1.85%) Video Conferencing
8 1 (0.93%) Computer Science
8 1 (0.93%) SCADA
8 1 (0.93%) VHDL
Operating Systems
1 30 (27.78%) Linux
2 28 (25.93%) Windows
3 17 (15.74%) Mac OS
3 17 (15.74%) Windows Embedded Compact
4 2 (1.85%) Android
4 2 (1.85%) Embedded Linux
5 1 (0.93%) Debian
5 1 (0.93%) Windows Server
Processes & Methodologies
1 88 (81.48%) Software Engineering
2 31 (28.70%) Agile Software Development
3 29 (26.85%) Test Automation
4 21 (19.44%) Scrum
5 20 (18.52%) Embedded Software Development
5 20 (18.52%) UML
5 20 (18.52%) Validation
6 19 (17.59%) Multithreading
6 19 (17.59%) MVC
6 19 (17.59%) Unit Testing
7 18 (16.67%) OO
7 18 (16.67%) TDD
8 17 (15.74%) Dependency Injection
8 17 (15.74%) Inversion of Control
8 17 (15.74%) Kanban
8 17 (15.74%) MVVM
8 17 (15.74%) OOD
8 17 (15.74%) Physics
8 17 (15.74%) Product Management
8 17 (15.74%) RUP
Programming Languages
1 87 (80.56%) C++
2 84 (77.78%) C
3 53 (49.07%) Embedded C
4 47 (43.52%) Embedded C++
5 40 (37.04%) C#
6 24 (22.22%) SQL
7 19 (17.59%) ANSI C
8 17 (15.74%) XAML
9 6 (5.56%) Python
10 5 (4.63%) Java
11 4 (3.70%) JavaScript
11 4 (3.70%) Ruby
12 3 (2.78%) PHP
12 3 (2.78%) VC++
13 2 (1.85%) VB
14 1 (0.93%) Assembly Language
14 1 (0.93%) MATLAB
14 1 (0.93%) Perl
14 1 (0.93%) VBA
Qualifications
1 32 (29.63%) Degree
2 1 (0.93%) Computer Science Degree
2 1 (0.93%) Postgraduate
2 1 (0.93%) SC Cleared
2 1 (0.93%) Security Cleared
Quality Assurance & Compliance
1 12 (11.11%) ISO 9001
2 10 (9.26%) JTAG
3 4 (3.70%) QA
4 1 (0.93%) MISRA
System Software
1 64 (59.26%) Firmware
Systems Management
1 1 (0.93%) Systems Management Server (SMS)
Vendors
1 20 (18.52%) Microsoft
2 10 (9.26%) EMC
3 9 (8.33%) NEC
4 6 (5.56%) Lauterbach
5 5 (4.63%) Freescale
6 3 (2.78%) Oracle
7 1 (0.93%) Assembla
7 1 (0.93%) Atlassian
7 1 (0.93%) Facebook
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