C
UK

The table below provides summary statistics for permanent job vacancies requiring C skills. It includes a benchmarking guide to the annual salaries offered in vacancies that cited C over the 6 months leading up to 30 April 2025, comparing them to the same period in the previous two years.

6 months to
30 Apr 2025
Same period 2024 Same period 2023
Rank 228 135 221
Rank change year-on-year -93 +86 -18
Permanent jobs citing C 687 2,070 1,761
As % of all permanent jobs advertised in the UK 1.32% 2.10% 1.69%
As % of the Programming Languages category 4.39% 6.23% 3.90%
Number of salaries quoted 506 1,659 944
10th Percentile £43,750 £38,750 £34,875
25th Percentile £47,500 £45,000 £45,000
Median annual salary (50th Percentile) £60,000 £55,000 £62,500
Median % change year-on-year +9.09% -12.00% +13.64%
75th Percentile £72,500 £71,250 £76,250
90th Percentile £95,000 £87,500 £88,375
UK excluding London median annual salary £57,530 £55,000 £60,000
% change year-on-year +4.60% -8.33% +14.29%

All Programming Languages
UK

C falls under the Programming Languages category. For comparison with the information above, the following table provides summary statistics for all permanent job vacancies requiring coding skills.

Permanent vacancies with a requirement for coding skills 15,664 33,221 45,157
As % of all permanent jobs advertised in the UK 30.03% 33.78% 43.42%
Number of salaries quoted 11,561 25,021 28,803
10th Percentile £37,500 £35,000 £38,750
25th Percentile £47,683 £45,000 £49,500
Median annual salary (50th Percentile) £60,000 £60,000 £65,000
Median % change year-on-year - -7.69% +4.00%
75th Percentile £82,500 £77,500 £86,250
90th Percentile £106,250 £100,000 £106,250
UK excluding London median annual salary £55,000 £53,500 £55,000
% change year-on-year +2.80% -2.73% +2.33%

C
Job Vacancy Trend

Job postings citing C as a proportion of all IT jobs advertised.

Job vacancy trend for C in the UK

C
Salary Trend

3-month moving average salary quoted in jobs citing C.

Salary trend for C in the UK

C
Salary Histogram

Salary distribution for jobs citing C over the 6 months to 30 April 2025.

Salary histogram for C in the UK

C
Top 17 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing C within the UK over the 6 months to 30 April 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Jobs
England -94 564 £57,836 +0.58% 849
UK excluding London -89 510 £57,530 +4.60% 746
Work from Home -44 259 £61,000 +10.91% 593
South East -63 155 £60,000 +6.19% 188
London +40 148 £90,000 +9.09% 183
North of England -53 78 £57,836 +5.16% 140
East of England -46 77 £55,000 -8.33% 121
South West -18 69 £46,500 -19.13% 94
Scotland +19 63 £62,500 +19.05% 66
North West -36 58 £57,836 +5.16% 55
Midlands -82 35 £57,500 +9.52% 124
Wales +17 27 £65,000 +30.00% 27
West Midlands -40 22 £55,000 -8.33% 69
Yorkshire +8 16 £57,500 +15.00% 62
East Midlands -32 13 £57,500 +15.00% 55
Northern Ireland +29 6 £50,000 -9.09% 3
North East +32 4 £61,000 +1.67% 24

C
Co-occurring Skills and Capabilities by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same employment type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 8 (1.16%) Kinematics
2 5 (0.73%) Apache
2 5 (0.73%) NetWeaver
2 5 (0.73%) Tomcat
3 4 (0.58%) Confluence
4 3 (0.44%) OpenStack
5 2 (0.29%) Apache Spark
5 2 (0.29%) SharePoint
6 1 (0.15%) Microsoft Exchange
Applications
1 19 (2.77%) Simulink
2 12 (1.75%) Microsoft Office
3 5 (0.73%) Chatbot
3 5 (0.73%) GNU Octave
4 4 (0.58%) SOLIDWORKS
5 2 (0.29%) Microsoft Excel
5 2 (0.29%) Microsoft PowerPoint
5 2 (0.29%) OrCAD
5 2 (0.29%) Zemax
6 1 (0.15%) CANalyzer
6 1 (0.15%) TargetLink
Business Applications
1 5 (0.73%) Oracle Subledger Accounting
2 4 (0.58%) Remedy ITSM
3 2 (0.29%) SAP Oil and Gas
4 1 (0.15%) LabWindows
4 1 (0.15%) Sage 200
4 1 (0.15%) Sage 50
Cloud Services
1 51 (7.42%) Azure
2 31 (4.51%) AWS
3 28 (4.08%) GitHub
4 15 (2.18%) Serverless
5 13 (1.89%) Azure DevOps
6 7 (1.02%) AWS Lambda
6 7 (1.02%) SaaS
7 6 (0.87%) Amazon S3
7 6 (0.87%) IaaS
7 6 (0.87%) PaaS
7 6 (0.87%) Power Platform
8 5 (0.73%) Dynamics 365
9 4 (0.58%) Amazon Bedrock
9 4 (0.58%) GCP
10 3 (0.44%) Azure Machine Learning
11 2 (0.29%) Microsoft 365
12 1 (0.15%) CloudAMQP
12 1 (0.15%) GitHub Actions
12 1 (0.15%) Google Kubernetes Engine
12 1 (0.15%) WhatsApp
Communications & Networking
1 77 (11.21%) TCP/IP
2 34 (4.95%) Wireless
3 31 (4.51%) Modbus
4 28 (4.08%) Bluetooth
5 26 (3.78%) HTTP
6 23 (3.35%) RS-232
7 21 (3.06%) RS-485
7 21 (3.06%) WAN
8 17 (2.47%) Network Security
9 14 (2.04%) MQTT
9 14 (2.04%) ZigBee
10 13 (1.89%) Ethernet
10 13 (1.89%) Wi-Fi
11 12 (1.75%) 5G
11 12 (1.75%) GSM
11 12 (1.75%) SD-WAN
12 8 (1.16%) Profibus
12 8 (1.16%) VLAN
13 7 (1.02%) Link 16
13 7 (1.02%) Tactical Data Link
Database & Business Intelligence
1 25 (3.64%) SQL Server
2 22 (3.20%) PostgreSQL
3 9 (1.31%) RDBMS
3 9 (1.31%) Relational Database
4 8 (1.16%) Amazon QuickSight
5 6 (0.87%) SQL Server Integration Services
6 5 (0.73%) Azure SQL Database
6 5 (0.73%) BusinessObjects
6 5 (0.73%) SAP BW
6 5 (0.73%) SAP Data Services
6 5 (0.73%) SAP HANA
7 4 (0.58%) MySQL
8 3 (0.44%) Metadata
8 3 (0.44%) Oracle Reports
9 2 (0.29%) Elasticsearch
9 2 (0.29%) Hadoop
9 2 (0.29%) KDB
9 2 (0.29%) Kdb+
9 2 (0.29%) Scylla
9 2 (0.29%) SQLite
Development Applications
1 79 (11.50%) Git
2 66 (9.61%) JIRA
3 56 (8.15%) Visual Studio
4 24 (3.49%) Rational DOORS
5 20 (2.91%) Bitbucket
5 20 (2.91%) Subversion
6 19 (2.77%) Jenkins
7 16 (2.33%) Atlassian Bamboo
8 7 (1.02%) GDB
9 6 (0.87%) Eclipse
9 6 (0.87%) GitLab
9 6 (0.87%) LabVIEW
10 5 (0.73%) CMake
10 5 (0.73%) Oracle Forms
10 5 (0.73%) SQL Server Management Studio (SSMS)
11 4 (0.58%) CppUnit
11 4 (0.58%) Spinnaker
12 3 (0.44%) IDA Disassembler
12 3 (0.44%) Team Foundation Server
13 2 (0.29%) Fiddler
General
1 152 (22.13%) Social Skills
2 146 (21.25%) Electronics
3 100 (14.56%) Finance
4 60 (8.73%) Manufacturing
5 59 (8.59%) Analytical Skills
6 51 (7.42%) Aerospace
7 38 (5.53%) Inclusion and Diversity
8 30 (4.37%) Avionics
9 29 (4.22%) Automotive
10 28 (4.08%) Telecoms
11 25 (3.64%) Banking
12 21 (3.06%) Marketing
13 20 (2.91%) Military
14 17 (2.47%) Presentation Skills
15 15 (2.18%) Investment Banking
16 14 (2.04%) Legal
17 12 (1.75%) Law
18 10 (1.46%) Organisational Skills
19 9 (1.31%) Games
19 9 (1.31%) Wearables
Job Titles
1 268 (39.01%) Senior
2 260 (37.85%) Software Engineer
3 135 (19.65%) Embedded Engineer
4 116 (16.89%) Senior Software Engineer
5 109 (15.87%) Lead
6 101 (14.70%) Developer
7 92 (13.39%) Embedded Software Engineer
8 58 (8.44%) Systems Engineer
9 55 (8.01%) Senior Embedded Engineer
10 47 (6.84%) C++ Developer
11 41 (5.97%) Low Latency C++ Developer
12 38 (5.53%) Cloud Engineer
12 38 (5.53%) Cloud Native Engineer
12 38 (5.53%) Cloud Software Engineer
13 35 (5.09%) Firmware Engineer
14 34 (4.95%) Senior Embedded Software Engineer
15 30 (4.37%) Electronics Engineer
16 29 (4.22%) Senior Developer
17 26 (3.78%) Lead Software Engineer
17 26 (3.78%) Principal Engineer
Libraries, Frameworks & Software Standards
1 50 (7.28%) .NET
2 49 (7.13%) HTML
3 31 (4.51%) CSS
4 30 (4.37%) .NET Framework
5 23 (3.35%) XML
6 18 (2.62%) Qt
7 16 (2.33%) Yocto
8 15 (2.18%) HTML5
9 14 (2.04%) Middleware
9 14 (2.04%) React
10 12 (1.75%) Web Services
10 12 (1.75%) WebSockets
11 11 (1.60%) REST
12 9 (1.31%) JSON
12 9 (1.31%) Sass
13 8 (1.16%) AngularJS
14 7 (1.02%) Flutter
14 7 (1.02%) RabbitMQ
15 6 (0.87%) Node.js
15 6 (0.87%) WPF
Miscellaneous
1 123 (17.90%) Embedded Systems
2 80 (11.64%) Algorithms
3 71 (10.33%) FPGA
4 46 (6.70%) Distributed Systems
5 43 (6.26%) Cloud Native
6 41 (5.97%) Legacy Code
7 40 (5.82%) Device Driver
8 33 (4.80%) IoT
9 31 (4.51%) Self-Motivation
10 30 (4.37%) VHDL
11 27 (3.93%) Management Information System
12 24 (3.49%) GNSS
13 22 (3.20%) Analogue Electronics
14 20 (2.91%) Robotics
15 18 (2.62%) Life Science
15 18 (2.62%) Product Ownership
16 16 (2.33%) Verilog
17 14 (2.04%) Mobile App
18 13 (1.89%) Self-Driving Car
19 12 (1.75%) MicroBlaze
Operating Systems
1 262 (38.14%) Linux
2 43 (6.26%) Windows
3 41 (5.97%) Unix
4 27 (3.93%) Embedded Linux
5 16 (2.33%) Android
6 14 (2.04%) FreeRTOS
7 11 (1.60%) Apple iOS
8 7 (1.02%) AIX
9 6 (0.87%) Red Hat Enterprise Linux
9 6 (0.87%) Ubuntu
9 6 (0.87%) Windows Server
10 5 (0.73%) Mac OS
11 2 (0.29%) CentOS
11 2 (0.29%) Debian
11 2 (0.29%) Oracle Linux
11 2 (0.29%) VxWorks
12 1 (0.15%) Rocky
12 1 (0.15%) Windows 10
12 1 (0.15%) Windows Server 2016
12 1 (0.15%) Windows Server 2019
Processes & Methodologies
1 368 (53.57%) Software Engineering
2 128 (18.63%) Agile
3 113 (16.45%) Computer Science
4 111 (16.16%) Problem-Solving
5 90 (13.10%) Mathematics
6 78 (11.35%) Validation
7 76 (11.06%) Mentoring
8 72 (10.48%) Physics
9 63 (9.17%) Test Automation
10 60 (8.73%) OO
11 59 (8.59%) UML
12 56 (8.15%) Microservices
13 55 (8.01%) SDLC
14 50 (7.28%) Multithreading
15 48 (6.99%) Low Latency
16 46 (6.70%) Continuous Improvement
17 45 (6.55%) Roadmaps
17 45 (6.55%) Software Testing
17 45 (6.55%) Verification and Validation
18 44 (6.40%) Software Architecture
Programming Languages
1 438 (63.76%) C++
2 193 (28.09%) Python
3 127 (18.49%) C#
4 122 (17.76%) Java
5 68 (9.90%) Rust
6 60 (8.73%) SQL
7 59 (8.59%) Go
8 54 (7.86%) Embedded C
9 47 (6.84%) Ada
10 44 (6.40%) JavaScript
11 41 (5.97%) MATLAB
12 31 (4.51%) Bash
12 31 (4.51%) Perl
13 27 (3.93%) VB
14 22 (3.20%) R
15 21 (3.06%) Embedded C++
16 18 (2.62%) Objective-C
17 17 (2.47%) PHP
18 15 (2.18%) Fortran
18 15 (2.18%) TypeScript
Qualifications
1 265 (38.57%) Degree
2 58 (8.44%) Security Cleared
3 43 (6.26%) Computer Science Degree
4 37 (5.39%) BPSS Clearance
5 28 (4.08%) Master's Degree
6 27 (3.93%) PhD
6 27 (3.93%) SC Cleared
7 24 (3.49%) HND
8 16 (2.33%) DV Cleared
9 8 (1.16%) Numerate Degree
10 7 (1.02%) CCNA
10 7 (1.02%) CCNP
10 7 (1.02%) Cisco Certification
10 7 (1.02%) CompTIA Security+
10 7 (1.02%) GSEC
10 7 (1.02%) SSCP
11 6 (0.87%) Chartered Engineer
12 5 (0.73%) Microsoft Certification
13 1 (0.15%) HNC
13 1 (0.15%) Postgraduate
Quality Assurance & Compliance
1 9 (1.31%) QA
2 8 (1.16%) PMO
2 8 (1.16%) SLA
3 7 (1.02%) MIL-STD-1553
3 7 (1.02%) MISRA
4 6 (0.87%) Accessibility
4 6 (0.87%) AUTOSAR
4 6 (0.87%) ISO 9001
5 5 (0.73%) IFRS
5 5 (0.73%) IFRS 9
6 4 (0.58%) Automotive SPICE
6 4 (0.58%) ECSS
6 4 (0.58%) ISO 13485
6 4 (0.58%) JTAG
6 4 (0.58%) Sarbanes-Oxley
7 3 (0.44%) HAZOP
7 3 (0.44%) IEC 62304
7 3 (0.44%) ISO 26262
7 3 (0.44%) MISRA C
8 2 (0.29%) Def Stans
System Software
1 116 (16.89%) Firmware
2 59 (8.59%) Embedded Firmware
3 24 (3.49%) Docker
4 23 (3.35%) Virtual Machines
5 2 (0.29%) KVM
5 2 (0.29%) Postfix
5 2 (0.29%) Sendmail
6 1 (0.15%) Hyper-V
6 1 (0.15%) Xen
Systems Management
1 66 (9.61%) Kubernetes
2 11 (1.60%) Terraform
3 5 (0.73%) Tivoli Storage Manager
4 3 (0.44%) Ansible
4 3 (0.44%) Prometheus
5 2 (0.29%) Functional Safety
5 2 (0.29%) Grafana
5 2 (0.29%) Nagios
5 2 (0.29%) Nessus
Vendors
1 50 (7.28%) Microsoft
2 23 (3.35%) EMC
3 13 (1.89%) Xilinx
4 11 (1.60%) SAP
5 10 (1.46%) IBM
5 10 (1.46%) Siemens
6 9 (1.31%) Altera
6 9 (1.31%) Oracle
7 8 (1.16%) Green Hills
7 8 (1.16%) Intel
8 7 (1.02%) NVIDIA
9 6 (0.87%) Xamarin
10 5 (0.73%) Cadence
11 4 (0.58%) Agilent
11 4 (0.58%) Dynatrace
11 4 (0.58%) OpenAI
11 4 (0.58%) Red Hat
11 4 (0.58%) Remedy
11 4 (0.58%) ServiceNow
11 4 (0.58%) VMware