C Contract Job Trends

C
UK

The table below provides summary statistics and contractor rates for jobs requiring C skills. It covers contract job vacancies from the 6 months leading up to 30 December 2025, with comparisons to the same periods in the previous two years.

6 months to
30 Dec 2025
Same period 2024 Same period 2023
Rank 386 269 201
Rank change year-on-year -117 -68 +76
Contract jobs citing C 210 291 535
As % of all contract jobs in the UK 0.57% 0.87% 1.24%
As % of the Programming Languages category 1.83% 2.69% 4.07%
Number of daily rates quoted 67 106 229
10th Percentile £68 £400 £325
25th Percentile £381 £461 £450
Median daily rate (50th Percentile) £500 £534 £540
Median % change year-on-year -6.32% -1.16% -10.00%
75th Percentile £581 £638 £638
90th Percentile £643 £810 £706
UK excluding London median daily rate £500 £500 £535
% change year-on-year - -6.54% -2.73%
Number of hourly rates quoted 67 48 149
10th Percentile £52.00 £53.55 £51.75
25th Percentile £65.00 £61.25 £61.25
Median hourly rate £66.50 £67.50 £65.00
Median % change year-on-year -1.48% +3.85% +13.04%
75th Percentile £70.00 £85.00 £70.00
90th Percentile £76.25 £95.00 £90.00
UK excluding London median hourly rate £66.50 £67.50 £65.00
% change year-on-year -1.48% +3.85% -

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 contract job vacancies requiring coding skills.

Contract vacancies with a requirement for coding skills 11,476 10,836 13,143
As % of all contract IT jobs advertised in the UK 31.02% 32.55% 30.40%
Number of daily rates quoted 7,604 6,935 9,366
10th Percentile £350 £350 £355
25th Percentile £413 £425 £426
Median daily rate (50th Percentile) £505 £525 £550
Median % change year-on-year -3.81% -4.55% -2.65%
75th Percentile £618 £645 £650
90th Percentile £725 £750 £750
UK excluding London median daily rate £477 £488 £500
% change year-on-year -2.26% -2.50% -3.66%
Number of hourly rates quoted 381 247 414
10th Percentile £32.50 £21.25 £35.15
25th Percentile £51.00 £38.38 £47.50
Median hourly rate £65.00 £62.50 £62.50
Median % change year-on-year +4.00% - -0.13%
75th Percentile £69.45 £68.38 £70.00
90th Percentile £76.25 £85.00 £78.53
UK excluding London median hourly rate £65.00 £63.00 £65.00
% change year-on-year +3.17% -3.08% -

C
Job Vacancy Trend

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

C job vacancy trend in the UK

C
Daily Rate Trend

Contractor daily rate distribution trend for jobs in the UK citing C.

Contractor daily rate distribution trend for jobs in the UK citing C

C
Daily Rate Histogram

Daily rate distribution for jobs citing C over the 6 months to 30 December 2025.

Daily rate histogram for C in the UK

C
Hourly Rate Trend

Contractor hourly rate distribution trend for jobs in the UK citing C.

Contractor hourly rate distribution trend for jobs in the UK citing C

C
Hourly Rate Histogram

Hourly rate distribution of jobs citing C over the 6 months to 30 December 2025.

Hourly rate histogram for C in the UK

C
Top 15 Contract Job Locations

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing C within the UK over the 6 months to 30 December 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 -100 190 £500 -6.32% 1,127
UK excluding London -62 160 £500 - 1,113
East of England -4 64 £500 -6.98% 202
Work from Home -36 55 £450 -10.00% 638
South West -7 52 £500 -8.34% 154
London -67 39 £510 -15.00% 133
Scotland +13 14 £65 - 74
North of England -53 14 £475 -13.64% 185
South East -37 11 £500 +5.26% 302
North West -22 9 £463 +15.63% 92
Yorkshire -46 5 £500 -28.57% 77
Midlands -47 3 £575 +48.39% 181
Northern Ireland -8 2 £425 - 14
East Midlands -18 2 - - 92
West Midlands -33 1 £575 +48.39% 82

C
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 11 (5.24%) WebLogic
1 11 (5.24%) WebSphere
2 4 (1.90%) Confluence
3 2 (0.95%) OpenStack
4 1 (0.48%) Apache
4 1 (0.48%) Microsoft Exchange
4 1 (0.48%) nginx
4 1 (0.48%) SharePoint
Applications
1 14 (6.67%) Simulink
2 9 (4.29%) Microsoft Office
3 6 (2.86%) Stateflow
4 5 (2.38%) Microsoft Excel
4 5 (2.38%) Microsoft PowerPoint
Business Applications
1 3 (1.43%) BASE24
1 3 (1.43%) Payment Gateway
2 2 (0.95%) Teamcenter
3 1 (0.48%) Actimize
3 1 (0.48%) Oracle Applications
3 1 (0.48%) Oracle EBS
Cloud Services
1 19 (9.05%) AWS
2 18 (8.57%) Azure
2 18 (8.57%) GitHub
3 10 (4.76%) GCP
4 4 (1.90%) Amazon EKS
4 4 (1.90%) Amazon S3
4 4 (1.90%) OpenShift
5 3 (1.43%) Amazon ECS
5 3 (1.43%) AWS CloudFormation
5 3 (1.43%) AWS Lambda
5 3 (1.43%) IaaS
5 3 (1.43%) Serverless
6 2 (0.95%) Azure DevOps
6 2 (0.95%) Cloud Computing
6 2 (0.95%) GitHub Actions
6 2 (0.95%) PaaS
6 2 (0.95%) SaaS
7 1 (0.48%) ChatGPT
7 1 (0.48%) GitHub Copilot
7 1 (0.48%) Power Platform
Communications & Networking
1 12 (5.71%) Ethernet
2 8 (3.81%) RS-232
3 5 (2.38%) TCP/IP
4 4 (1.90%) 3GPP
4 4 (1.90%) SpaceWire
5 3 (1.43%) Bluetooth
5 3 (1.43%) Firewall
5 3 (1.43%) HTTP
5 3 (1.43%) Modbus
5 3 (1.43%) Network Security
5 3 (1.43%) RS-485
5 3 (1.43%) Wi-Fi
5 3 (1.43%) Wireless
6 2 (0.95%) Anycast
6 2 (0.95%) BGP
6 2 (0.95%) DNS
6 2 (0.95%) Radio Access Network
6 2 (0.95%) Software-Defined Networking
6 2 (0.95%) SSL
6 2 (0.95%) VXLAN
Database & Business Intelligence
1 10 (4.76%) Oracle Database
2 5 (2.38%) NonStop SQL
3 4 (1.90%) OLTP
4 3 (1.43%) Elasticsearch
4 3 (1.43%) PostgreSQL
5 2 (0.95%) Amazon RDS
5 2 (0.95%) MongoDB
6 1 (0.48%) Big Data
6 1 (0.48%) Data Lake
6 1 (0.48%) HPCC
6 1 (0.48%) InfluxDB
6 1 (0.48%) Metadata
6 1 (0.48%) MySQL
6 1 (0.48%) Oracle Exadata
6 1 (0.48%) RDBMS
6 1 (0.48%) Relational Database
6 1 (0.48%) SQL Server
6 1 (0.48%) SQLite
Development Applications
1 22 (10.48%) Rational DOORS
2 19 (9.05%) Git
3 13 (6.19%) JIRA
4 11 (5.24%) Jenkins
5 9 (4.29%) ClearCase
5 9 (4.29%) GitLab
6 7 (3.33%) PVCS
7 6 (2.86%) Rational Rhapsody
7 6 (2.86%) Rational Team Concert
8 5 (2.38%) Gradle
9 4 (1.90%) Artifactory
9 4 (1.90%) Visual Studio
9 4 (1.90%) Xcode
10 3 (1.43%) KGDB
11 2 (0.95%) Bitbucket
11 2 (0.95%) Clang
11 2 (0.95%) CMake
11 2 (0.95%) Selenium
11 2 (0.95%) SonarQube
11 2 (0.95%) Subversion
General
1 33 (15.71%) Social Skills
2 32 (15.24%) Electronics
3 24 (11.43%) Finance
4 22 (10.48%) Analytical Skills
5 20 (9.52%) Aerospace
6 16 (7.62%) Public Sector
7 10 (4.76%) Law
8 9 (4.29%) Telecoms
9 8 (3.81%) Banking
10 7 (3.33%) Documentation Skills
10 7 (3.33%) Military
11 5 (2.38%) Aviation
12 4 (1.90%) Manufacturing
12 4 (1.90%) Marketing
13 3 (1.43%) Financial Institution
14 2 (0.95%) Games
14 2 (0.95%) Inclusion and Diversity
15 1 (0.48%) Investment Banking
15 1 (0.48%) Local Government
15 1 (0.48%) Organisational Skills
Job Titles
1 63 (30.00%) Software Engineer
2 37 (17.62%) Embedded Engineer
3 36 (17.14%) Developer
4 31 (14.76%) Embedded Software Engineer
5 18 (8.57%) C Software Engineer
6 15 (7.14%) Support Engineer
7 14 (6.67%) C++ Software Engineer
7 14 (6.67%) Design Engineer
7 14 (6.67%) Embedded C Engineer
7 14 (6.67%) Embedded C Software Engineer
8 12 (5.71%) C/C++ Software Engineer
8 12 (5.71%) Product Engineer
8 12 (5.71%) Products Support Engineer
8 12 (5.71%) Senior
8 12 (5.71%) Software Support Engineer
9 11 (5.24%) Architect
9 11 (5.24%) Consultant
10 10 (4.76%) Digital Design Engineer
10 10 (4.76%) FPGA Engineer
11 9 (4.29%) Systems Engineer
Libraries, Frameworks & Software Standards
1 28 (13.33%) Middleware
2 23 (10.95%) HTML
3 17 (8.10%) Node.js
4 13 (6.19%) .NET
5 10 (4.76%) Flash
6 8 (3.81%) CSS
7 7 (3.33%) REST
7 7 (3.33%) Yocto
8 6 (2.86%) React
9 4 (1.90%) AngularJS
9 4 (1.90%) PyTorch
9 4 (1.90%) RESTful
10 3 (1.43%) Electron
10 3 (1.43%) Google JAX
10 3 (1.43%) JAX
10 3 (1.43%) JNI
10 3 (1.43%) OpenEmbedded
10 3 (1.43%) scikit-learn
10 3 (1.43%) TensorFlow
10 3 (1.43%) XML
Miscellaneous
1 30 (14.29%) FPGA
2 27 (12.86%) Embedded Systems
3 19 (9.05%) VHDL
4 8 (3.81%) PCIe
5 7 (3.33%) Analogue Electronics
5 7 (3.33%) Verilog
6 6 (2.86%) Self-Motivation
7 5 (2.38%) Cloud Native
7 5 (2.38%) Data Centre
7 5 (2.38%) Tandem
8 4 (1.90%) CAN bus
8 4 (1.90%) CUDA
8 4 (1.90%) Device Driver
8 4 (1.90%) Distributed Systems
8 4 (1.90%) Mobile App
9 3 (1.43%) Algorithms
9 3 (1.43%) Hedge funds
9 3 (1.43%) IoT
9 3 (1.43%) Mobile Banking
9 3 (1.43%) Security Posture
Operating Systems
1 62 (29.52%) Linux
2 20 (9.52%) Windows
3 13 (6.19%) Ubuntu
4 9 (4.29%) FreeRTOS
5 4 (1.90%) Android
5 4 (1.90%) Apple iOS
5 4 (1.90%) CentOS
5 4 (1.90%) Embedded Linux
5 4 (1.90%) Unix
6 3 (1.43%) Mac OS
7 1 (0.48%) Debian
7 1 (0.48%) OpenVMS
7 1 (0.48%) Red Hat Enterprise Linux
7 1 (0.48%) Robot Operating System
7 1 (0.48%) VMS
7 1 (0.48%) Windows Embedded Compact
Processes & Methodologies
1 92 (43.81%) Software Engineering
2 30 (14.29%) CI/CD
3 29 (13.81%) Validation
4 26 (12.38%) Problem-Solving
5 19 (9.05%) AI
6 18 (8.57%) Agile
6 18 (8.57%) Software Testing
7 17 (8.10%) DevOps
8 16 (7.62%) Containerisation
8 16 (7.62%) Signal Processing
8 16 (7.62%) Unit Testing
9 15 (7.14%) Mathematics
10 13 (6.19%) Systems Engineering
11 12 (5.71%) UML
12 11 (5.24%) Requirements Gathering
12 11 (5.24%) Workflow
13 10 (4.76%) Integration Testing
13 10 (4.76%) SDLC
14 9 (4.29%) Computer Science
14 9 (4.29%) Requirements Management
Programming Languages
1 129 (61.43%) C++
2 66 (31.43%) Python
3 55 (26.19%) Java
4 27 (12.86%) JavaScript
5 24 (11.43%) Embedded C
6 23 (10.95%) Shell Script
7 20 (9.52%) Ada
7 20 (9.52%) SQL
8 14 (6.67%) Embedded C++
8 14 (6.67%) MATLAB
9 12 (5.71%) Bash
10 11 (5.24%) C#
10 11 (5.24%) PHP
11 9 (4.29%) Fortran
12 7 (3.33%) SystemVerilog
13 6 (2.86%) Perl
13 6 (2.86%) Rust
14 5 (2.38%) Go
14 5 (2.38%) PL/SQL
14 5 (2.38%) Tcl
Qualifications
1 73 (34.76%) Security Cleared
2 56 (26.67%) SC Cleared
3 21 (10.00%) Degree
4 10 (4.76%) DV Cleared
5 4 (1.90%) Computer Science Degree
6 3 (1.43%) Cisco Certification
7 2 (0.95%) CCIE
7 2 (0.95%) CISSP
7 2 (0.95%) ISTQB
7 2 (0.95%) JNCIE
7 2 (0.95%) Master's Degree
7 2 (0.95%) PhD
7 2 (0.95%) Postgraduate
8 1 (0.48%) CCNA
8 1 (0.48%) CCSAS
8 1 (0.48%) GPEN
8 1 (0.48%) GWAPT
8 1 (0.48%) ISTQB Foundation Certification
8 1 (0.48%) OSCE
8 1 (0.48%) OSCP
Quality Assurance & Compliance
1 13 (6.19%) Def Stans
1 13 (6.19%) QA
2 11 (5.24%) MISRA
3 10 (4.76%) DO-178B
4 8 (3.81%) IEC 61508
5 5 (2.38%) ISO 26262
5 5 (2.38%) ISO/IEC 27001
6 3 (1.43%) EU AI Act
6 3 (1.43%) GDPR
6 3 (1.43%) IEC 62304
6 3 (1.43%) ISO 8583
6 3 (1.43%) NIST
7 2 (0.95%) MISRA C
7 2 (0.95%) PCI DSS
7 2 (0.95%) Software Quality Assurance
8 1 (0.48%) Data Quality
8 1 (0.48%) DICOM
8 1 (0.48%) DO-254
8 1 (0.48%) HL7
8 1 (0.48%) MiFID
System Software
1 27 (12.86%) Firmware
2 21 (10.00%) Docker
3 9 (4.29%) VMware Infrastructure
4 8 (3.81%) Virtual Machines
5 6 (2.86%) Embedded Firmware
6 1 (0.48%) KVM
Systems Management
1 19 (9.05%) Kubernetes
2 11 (5.24%) Terraform
3 7 (3.33%) Ansible
4 3 (1.43%) Grafana
4 3 (1.43%) Prometheus
5 2 (0.95%) Podman
6 1 (0.48%) Functional Safety
6 1 (0.48%) Rsyslog
6 1 (0.48%) SCOM
Vendors
1 18 (8.57%) Oracle
1 18 (8.57%) Red Hat
2 12 (5.71%) Dynatrace
3 9 (4.29%) IBM
3 9 (4.29%) NetApp
3 9 (4.29%) VMware
4 7 (3.33%) ANSYS
4 7 (3.33%) Intel
4 7 (3.33%) Microsoft
5 6 (2.86%) HP
5 6 (2.86%) MathWorks
6 5 (2.38%) Microsemi
6 5 (2.38%) Xilinx
7 4 (1.90%) Cisco
7 4 (1.90%) SAP
8 3 (1.43%) Atlassian
9 2 (0.95%) Arista
9 2 (0.95%) Siemens
9 2 (0.95%) Wind River
10 1 (0.48%) Veritas