RS-232 Contract Job Trends

RS-232
UK

The table below provides summary statistics and contractor rates for jobs requiring RS-232 skills. It covers contract job vacancies from the 6 months leading up to 28 November 2025, with comparisons to the same periods in the previous two years.

6 months to
28 Nov 2025
Same period 2024 Same period 2023
Rank 582 564 612
Rank change year-on-year -18 +48 +182
Contract jobs citing RS-232 12 2 4
As % of all contract jobs in the UK 0.033% 0.005% 0.009%
As % of the Communications & Networking category 0.30% 0.045% 0.063%
Number of daily rates quoted 2 0 0
Median daily rate (50th Percentile) £550 - -
UK excluding London median daily rate - - -
Number of hourly rates quoted 8 0 0
10th Percentile £35.10 - -
25th Percentile £41.25 - -
Median hourly rate £42.50 - -
75th Percentile £43.75 - -
90th Percentile - - -
UK excluding London median hourly rate £42.50 - -

All Communications and Computer Networking Skills
UK

RS-232 falls under the Communications and Computer Networking category. For comparison with the information above, the following table provides summary statistics for all contract job vacancies requiring communications or computer networking skills.

Contract vacancies with a requirement for communications or computer networking skills 3,987 4,455 6,359
As % of all contract IT jobs advertised in the UK 11.04% 12.17% 13.94%
Number of daily rates quoted 2,585 2,559 3,940
10th Percentile £206 £223 £211
25th Percentile £356 £370 £363
Median daily rate (50th Percentile) £475 £500 £500
Median % change year-on-year -5.00% - -
75th Percentile £588 £600 £613
90th Percentile £675 £686 £700
UK excluding London median daily rate £450 £475 £475
% change year-on-year -5.26% - +5.56%
Number of hourly rates quoted 194 173 347
10th Percentile £15.50 £16.53 £17.72
25th Percentile £20.56 £23.59 £22.88
Median hourly rate £34.00 £42.50 £56.40
Median % change year-on-year -20.00% -24.65% +35.90%
75th Percentile £65.00 £65.00 £66.25
90th Percentile £75.00 £75.00 £76.16
UK excluding London median hourly rate £42.50 £48.03 £56.49
% change year-on-year -11.51% -14.98% +25.53%

RS-232
Job Vacancy Trend

Historical trend showing the proportion of contract IT job postings citing RS-232 relative to all contract IT jobs advertised.

RS-232 job vacancy trend in the UK

RS-232
Daily Rate Trend

Contractor daily rate distribution trend for jobs in the UK citing RS-232.

Contractor daily rate distribution trend for jobs in the UK citing RS-232

RS-232
Hourly Rate Trend

Contractor hourly rate distribution trend for jobs in the UK citing RS-232.

Contractor hourly rate distribution trend for jobs in the UK citing RS-232

RS-232
Hourly Rate Histogram

Hourly rate distribution of jobs citing RS-232 over the 6 months to 28 November 2025.

Hourly rate histogram for RS-232 in the UK

RS-232
Top 6 Contract Job Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing RS-232 within the UK over the 6 months to 28 November 2025. 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
Contract
IT Job Ads
Median
Daily Rate
Past 6 Months
Median Daily Rate
% Change
on Same Period
Last Year
Live
Jobs
England -13 11 £550 - 20
UK excluding London -28 10 - - 17
East of England - 9 - - 5
London - 2 £550 - 4
Scotland - 1 - -
Work from Home - 1 - - 3

RS-232
Co-Occurring Skills & Capabilities by Category

The following tables expand on the one above by listing co-occurrences grouped by category. They cover the same employment type, locality and period, with up to 20 co-occurrences shown in each category:

Application Platforms
1 2 (16.67%) Confluence
Cloud Services
1 2 (16.67%) GitHub
Communications & Networking
1 7 (58.33%) SpaceWire
2 2 (16.67%) Ethernet
2 2 (16.67%) LAN
2 2 (16.67%) Modbus
2 2 (16.67%) RS-485
2 2 (16.67%) TCP/IP
2 2 (16.67%) X.400
Database & Business Intelligence
1 2 (16.67%) SQL Server
Development Applications
1 2 (16.67%) JIRA
General
1 8 (66.67%) Documentation Skills
2 3 (25.00%) Aerospace
2 3 (25.00%) Aviation
3 2 (16.67%) Social Skills
4 1 (8.33%) Analytical Skills
Job Titles
1 3 (25.00%) Embedded Engineer
2 2 (16.67%) Analyst
2 2 (16.67%) Support Analyst
2 2 (16.67%) Technical Analyst
2 2 (16.67%) Technical Support
2 2 (16.67%) Technical Support Analyst
3 1 (8.33%) Embedded Software Engineer
3 1 (8.33%) Software Engineer
3 1 (8.33%) Systems Engineer
Miscellaneous
1 7 (58.33%) CAN bus
2 1 (8.33%) Embedded Systems
2 1 (8.33%) NHS
Operating Systems
1 9 (75.00%) Windows
2 7 (58.33%) Linux
3 2 (16.67%) FreeRTOS
4 1 (8.33%) Windows Server
4 1 (8.33%) Windows Server 2003
4 1 (8.33%) Windows Server 2012
Processes & Methodologies
1 7 (58.33%) Validation
2 2 (16.67%) Software Engineering
3 1 (8.33%) Continuous Improvement
3 1 (8.33%) Manual Testing
3 1 (8.33%) Mentoring
3 1 (8.33%) Performance Optimisation
3 1 (8.33%) Problem-Solving
3 1 (8.33%) Software Architecture
3 1 (8.33%) Test Automation
Programming Languages
1 7 (58.33%) C
2 4 (33.33%) Bash
2 4 (33.33%) Java
2 4 (33.33%) Python
2 4 (33.33%) Tcl
2 4 (33.33%) VBA
3 3 (25.00%) C++
4 2 (16.67%) Embedded C
4 2 (16.67%) Embedded C++
Qualifications
1 4 (33.33%) Degree
2 3 (25.00%) DBS Check
2 3 (25.00%) SC Cleared
2 3 (25.00%) Security Cleared
3 1 (8.33%) HNC
3 1 (8.33%) HND
3 1 (8.33%) MCP
3 1 (8.33%) MCSE
3 1 (8.33%) Microsoft Certification
System Software
1 3 (25.00%) Firmware
2 2 (16.67%) Embedded Firmware
Vendors
1 2 (16.67%) Microsoft
2 1 (8.33%) Sitecore