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 16 October 2025, with comparisons to the same periods in the previous two years.

6 months to
16 Oct 2025
Same period 2024 Same period 2023
Rank 362 234 206
Rank change year-on-year -128 -28 +107
Contract jobs citing C 208 391 592
As % of all contract jobs in the UK 0.63% 1.04% 1.24%
As % of the Programming Languages category 1.91% 3.24% 3.91%
Number of daily rates quoted 73 160 292
10th Percentile £68 £400 £375
25th Percentile £400 £460 £431
Median daily rate (50th Percentile) £500 £550 £550
Median % change year-on-year -9.09% - -8.33%
75th Percentile £619 £626 £638
90th Percentile £675 £810 £800
UK excluding London median daily rate £475 £538 £525
% change year-on-year -11.63% +2.38% -5.08%
Number of hourly rates quoted 42 69 139
10th Percentile £42.33 £45.70 £51.00
25th Percentile £61.25 £57.50 £54.44
Median hourly rate £68.00 £65.00 £65.00
Median % change year-on-year +4.62% - +13.04%
75th Percentile £73.75 £70.00 £70.00
90th Percentile £76.13 £85.00 £90.00
UK excluding London median hourly rate £68.00 £65.00 £65.00
% change year-on-year +4.62% - -

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 10,894 12,053 15,146
As % of all contract IT jobs advertised in the UK 32.74% 32.04% 31.76%
Number of daily rates quoted 7,126 7,886 10,809
10th Percentile £345 £350 £363
25th Percentile £413 £425 £441
Median daily rate (50th Percentile) £508 £525 £550
Median % change year-on-year -3.33% -4.55% -2.65%
75th Percentile £623 £649 £663
90th Percentile £732 £769 £775
UK excluding London median daily rate £475 £490 £500
% change year-on-year -3.06% -2.00% -2.44%
Number of hourly rates quoted 305 321 443
10th Percentile £29.00 £25.26 £34.40
25th Percentile £41.25 £41.25 £48.31
Median hourly rate £56.00 £65.00 £62.50
Median % change year-on-year -13.85% +4.00% +4.17%
75th Percentile £67.25 £70.00 £70.00
90th Percentile £77.00 £75.00 £79.35
UK excluding London median hourly rate £65.00 £65.00 £65.00
% change year-on-year - - +4.00%

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 16 October 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 16 October 2025.

Hourly rate histogram for C in the UK

C
Top 14 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 16 October 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 -113 177 £500 -9.09% 509
UK excluding London -106 135 £475 -11.63% 527
London -32 52 £600 +9.09% 73
South West -19 46 £500 -9.09% 100
Work from Home -38 45 £488 -9.72% 327
East of England -18 42 £438 -18.60% 121
Scotland +12 18 £438 -48.53% 47
North of England -41 15 £450 -11.76% 61
North West -26 11 £380 -16.48% 30
South East -44 11 £500 -16.67% 150
Yorkshire -35 4 £475 -10.38% 21
Midlands -31 3 - - 43
East Midlands -11 2 - - 24
West Midlands -25 1 - - 19

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 16 (7.69%) WebLogic
2 15 (7.21%) WebSphere
3 6 (2.88%) Apache Spark
4 3 (1.44%) Confluence
5 2 (0.96%) nginx
5 2 (0.96%) OpenStack
6 1 (0.48%) IBM HTTP Server
6 1 (0.48%) Tuxedo
Applications
1 13 (6.25%) Simulink
2 9 (4.33%) Microsoft Office
3 6 (2.88%) Stateflow
4 5 (2.40%) Microsoft Excel
4 5 (2.40%) Microsoft PowerPoint
5 1 (0.48%) CANalyzer
Business Applications
1 2 (0.96%) BASE24
1 2 (0.96%) Teamcenter
2 1 (0.48%) Dynamics NAV
Cloud Services
1 32 (15.38%) AWS
2 25 (12.02%) Azure
3 15 (7.21%) GitHub
4 14 (6.73%) GCP
5 5 (2.40%) OpenShift
6 4 (1.92%) SaaS
7 2 (0.96%) Amazon ECS
7 2 (0.96%) Amazon EKS
7 2 (0.96%) Amazon S3
7 2 (0.96%) AWS CloudFormation
7 2 (0.96%) AWS Lambda
7 2 (0.96%) Cloud Computing
7 2 (0.96%) Entra ID
7 2 (0.96%) IaaS
7 2 (0.96%) npm
7 2 (0.96%) PaaS
7 2 (0.96%) Serverless
8 1 (0.48%) Datadog
8 1 (0.48%) Dynamics 365
8 1 (0.48%) GitHub Actions
Communications & Networking
1 7 (3.37%) Ethernet
2 5 (2.40%) RS-232
2 5 (2.40%) SpaceWire
3 4 (1.92%) Firewall
4 3 (1.44%) HTTP
4 3 (1.44%) Internet
4 3 (1.44%) TCP/IP
4 3 (1.44%) Wi-Fi
5 2 (0.96%) 3GPP
5 2 (0.96%) Anycast
5 2 (0.96%) ATM
5 2 (0.96%) BGP
5 2 (0.96%) Bluetooth
5 2 (0.96%) DNS
5 2 (0.96%) LAN
5 2 (0.96%) Network Security
5 2 (0.96%) NFC
5 2 (0.96%) SMS
5 2 (0.96%) Software-Defined Networking
5 2 (0.96%) VXLAN
Database & Business Intelligence
1 9 (4.33%) Oracle Database
2 6 (2.88%) Big Data
3 5 (2.40%) HPCC
4 4 (1.92%) Data Mining
4 4 (1.92%) Relational Database
5 3 (1.44%) Data Lake
5 3 (1.44%) Elasticsearch
5 3 (1.44%) MongoDB
5 3 (1.44%) NonStop SQL
5 3 (1.44%) PostgreSQL
6 2 (0.96%) Amazon RDS
6 2 (0.96%) DB2
6 2 (0.96%) InfluxDB
6 2 (0.96%) RDBMS
7 1 (0.48%) NoSQL
Development Applications
1 21 (10.10%) Git
2 16 (7.69%) Jenkins
3 14 (6.73%) Rational DOORS
4 11 (5.29%) Gradle
5 10 (4.81%) GitLab
6 9 (4.33%) ClearCase
7 7 (3.37%) Xcode
8 6 (2.88%) Rational Team Concert
9 5 (2.40%) JIRA
9 5 (2.40%) Maven
10 4 (1.92%) Artifactory
10 4 (1.92%) Clang
10 4 (1.92%) GCC
11 3 (1.44%) Bitbucket
11 3 (1.44%) KGDB
11 3 (1.44%) Rational Rhapsody
12 2 (0.96%) CMake
12 2 (0.96%) Visual Studio
13 1 (0.48%) NUnit
13 1 (0.48%) Subversion
General
1 35 (16.83%) Social Skills
2 25 (12.02%) Finance
3 21 (10.10%) Electronics
4 19 (9.13%) Aerospace
4 19 (9.13%) Analytical Skills
5 16 (7.69%) Banking
5 16 (7.69%) Public Sector
6 11 (5.29%) Law
6 11 (5.29%) Telecoms
7 8 (3.85%) Manufacturing
8 7 (3.37%) Marketing
9 6 (2.88%) Documentation Skills
10 5 (2.40%) Aviation
10 5 (2.40%) Investment Banking
10 5 (2.40%) Military
11 4 (1.92%) Financial Institution
12 3 (1.44%) Automotive
13 2 (0.96%) Inclusion and Diversity
14 1 (0.48%) Front Office
14 1 (0.48%) Organisational Skills
Job Titles
1 42 (20.19%) Software Engineer
2 36 (17.31%) Developer
3 22 (10.58%) Support Engineer
4 18 (8.65%) Product Engineer
4 18 (8.65%) Products Support Engineer
4 18 (8.65%) Software Support Engineer
5 17 (8.17%) Consultant
6 12 (5.77%) Architect
6 12 (5.77%) Embedded Engineer
7 11 (5.29%) Design Engineer
7 11 (5.29%) Systems Engineer
8 10 (4.81%) C++ Developer
8 10 (4.81%) C++ Software Engineer
8 10 (4.81%) Digital Design Engineer
8 10 (4.81%) Embedded Software Engineer
8 10 (4.81%) Senior
9 9 (4.33%) C Software Engineer
9 9 (4.33%) Java Engineer
9 9 (4.33%) Linux Engineer
10 7 (3.37%) C/C++ Software Engineer
Libraries, Frameworks & Software Standards
1 35 (16.83%) HTML
2 31 (14.90%) Middleware
3 25 (12.02%) Node.js
4 19 (9.13%) .NET
5 12 (5.77%) CSS
6 9 (4.33%) Flash
6 9 (4.33%) JSON
6 9 (4.33%) React
6 9 (4.33%) XML
7 7 (3.37%) REST
8 6 (2.88%) Spring
9 5 (2.40%) AngularJS
9 5 (2.40%) PyTorch
10 4 (1.92%) Google JAX
10 4 (1.92%) JAX
10 4 (1.92%) TensorFlow
10 4 (1.92%) Yocto
11 3 (1.44%) Electron
11 3 (1.44%) OpenEmbedded
11 3 (1.44%) Spring Boot
Miscellaneous
1 18 (8.65%) Embedded Systems
2 16 (7.69%) FPGA
3 12 (5.77%) VHDL
4 7 (3.37%) Analogue Electronics
4 7 (3.37%) Distributed Systems
4 7 (3.37%) Mobile App
4 7 (3.37%) Mobile Banking
4 7 (3.37%) Self-Motivation
5 6 (2.88%) CUDA
5 6 (2.88%) Distributed Computing
6 5 (2.40%) CAN bus
6 5 (2.40%) Data Centre
7 4 (1.92%) Algorithms
7 4 (1.92%) Device Driver
7 4 (1.92%) EMV
7 4 (1.92%) Hedge funds
7 4 (1.92%) Mainframe
7 4 (1.92%) PCIe
7 4 (1.92%) Verilog
8 3 (1.44%) Security Posture
Operating Systems
1 77 (37.02%) Linux
2 31 (14.90%) Windows
3 18 (8.65%) Ubuntu
4 14 (6.73%) Unix
5 8 (3.85%) Android
6 7 (3.37%) Apple iOS
6 7 (3.37%) FreeRTOS
7 5 (2.40%) CentOS
8 3 (1.44%) Mac OS
8 3 (1.44%) Red Hat Enterprise Linux
9 1 (0.48%) AIX
9 1 (0.48%) OpenVMS
9 1 (0.48%) Robot Operating System
9 1 (0.48%) VMS
9 1 (0.48%) VxWorks
9 1 (0.48%) Windows Embedded Compact
9 1 (0.48%) Windows Server
Processes & Methodologies
1 76 (36.54%) Software Engineering
2 27 (12.98%) Problem-Solving
3 26 (12.50%) CI/CD
4 25 (12.02%) Agile
5 22 (10.58%) AI
6 18 (8.65%) Software Testing
7 17 (8.17%) Requirements Gathering
8 15 (7.21%) DevOps
8 15 (7.21%) Mathematics
8 15 (7.21%) TDD
8 15 (7.21%) Validation
9 14 (6.73%) Machine Learning
10 13 (6.25%) Signal Processing
11 12 (5.77%) Containerisation
11 12 (5.77%) Scrum
11 12 (5.77%) UML
12 11 (5.29%) Integration Testing
12 11 (5.29%) Microservices
12 11 (5.29%) Roadmaps
12 11 (5.29%) Unit Testing
Programming Languages
1 148 (71.15%) C++
2 87 (41.83%) Java
3 82 (39.42%) Python
4 39 (18.75%) Shell Script
5 38 (18.27%) JavaScript
6 26 (12.50%) Ada
7 25 (12.02%) SQL
8 17 (8.17%) Bash
9 16 (7.69%) MATLAB
10 15 (7.21%) PHP
11 14 (6.73%) C#
12 10 (4.81%) Go
13 9 (4.33%) Fortran
13 9 (4.33%) Perl
13 9 (4.33%) PowerShell
14 8 (3.85%) Ruby
14 8 (3.85%) Scala
15 7 (3.37%) Assembly Language
15 7 (3.37%) Kotlin
15 7 (3.37%) Swift
Qualifications
1 65 (31.25%) Security Cleared
2 47 (22.60%) SC Cleared
3 21 (10.10%) Degree
4 10 (4.81%) DV Cleared
5 7 (3.37%) Master's Degree
5 7 (3.37%) PhD
6 3 (1.44%) Computer Science Degree
7 2 (0.96%) AWS Certification
7 2 (0.96%) Azure Certification
7 2 (0.96%) CCIE
7 2 (0.96%) Cisco Certification
7 2 (0.96%) CISSP
7 2 (0.96%) JNCIE
7 2 (0.96%) Postgraduate
8 1 (0.48%) CCSAS
8 1 (0.48%) GPEN
8 1 (0.48%) GWAPT
8 1 (0.48%) GXPN
8 1 (0.48%) OSCE
8 1 (0.48%) OSCP
Quality Assurance & Compliance
1 11 (5.29%) QA
2 7 (3.37%) MISRA
3 5 (2.40%) ISO 26262
4 4 (1.92%) Def Stans
4 4 (1.92%) DO-178B
4 4 (1.92%) IEC 61508
5 3 (1.44%) EU AI Act
5 3 (1.44%) GDPR
5 3 (1.44%) IEC 62304
5 3 (1.44%) ISO/IEC 27001
5 3 (1.44%) MISRA C
6 2 (0.96%) AUTOSAR
6 2 (0.96%) ISO 8583
6 2 (0.96%) NIST
6 2 (0.96%) PCI DSS
6 2 (0.96%) Software Quality Assurance
7 1 (0.48%) Actionable Recommendations
7 1 (0.48%) DO-254
System Software
1 20 (9.62%) Docker
1 20 (9.62%) Firmware
2 4 (1.92%) Active Directory
2 4 (1.92%) Embedded Firmware
3 2 (0.96%) QEMU
4 1 (0.48%) KVM
4 1 (0.48%) Virtual Machines
4 1 (0.48%) VMware Infrastructure
Systems Management
1 22 (10.58%) Kubernetes
2 9 (4.33%) Terraform
3 8 (3.85%) Ansible
4 5 (2.40%) Istio
5 4 (1.92%) Grafana
6 3 (1.44%) Podman
7 2 (0.96%) Functional Safety
7 2 (0.96%) Prometheus
7 2 (0.96%) Single Sign-On
8 1 (0.48%) ITRS Geneos
8 1 (0.48%) Rsyslog
8 1 (0.48%) SCOM
Vendors
1 25 (12.02%) Red Hat
2 18 (8.65%) Oracle
3 17 (8.17%) Dynatrace
4 11 (5.29%) Microsoft
5 9 (4.33%) NetApp
5 9 (4.33%) SAP
6 6 (2.88%) IBM
6 6 (2.88%) MathWorks
7 5 (2.40%) Hitachi
7 5 (2.40%) Twitter
8 4 (1.92%) HP
8 4 (1.92%) ServiceNow
9 3 (1.44%) Atlassian
10 2 (0.96%) Cisco
10 2 (0.96%) Fujitsu
10 2 (0.96%) Intel
10 2 (0.96%) Salesforce
10 2 (0.96%) Siemens
10 2 (0.96%) Software AG
10 2 (0.96%) webMethods