C Contract Job Trends

C
UK

The table below provides summary statistics and contractor rates for jobs requiring C skills. It covers vacancies from the 6 months leading up to 15 September 2025, with comparisons to the same periods in the previous two years.

6 months to
15 Sep 2025
Same period 2024 Same period 2023
Rank 374 217 223
Rank change year-on-year -157 +6 +101
Contract jobs citing C 185 433 597
As % of all contract jobs advertised in the UK 0.57% 1.14% 1.19%
As % of the Programming Languages category 1.74% 3.56% 3.69%
Number of daily rates quoted 68 205 303
10th Percentile £370 £400 £375
25th Percentile £423 £463 £425
Median daily rate (50th Percentile) £525 £540 £550
Median % change year-on-year -2.78% -1.82% -4.76%
75th Percentile £638 £625 £650
90th Percentile £677 £700 £810
UK excluding London median daily rate £500 £538 £525
% change year-on-year -7.06% +2.48% -2.78%
Number of hourly rates quoted 34 83 136
10th Percentile £41.25 £44.79 £47.50
25th Percentile £52.44 £59.38 £52.10
Median hourly rate £68.00 £67.50 £65.00
Median % change year-on-year +0.74% +3.85% +14.32%
75th Percentile £73.75 £73.44 £70.32
90th Percentile £87.50 £85.00 £90.00
UK excluding London median hourly rate £68.00 £70.00 £65.00
% change year-on-year -2.86% +7.69% +13.04%

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 10,627 12,177 16,171
As % of all contract IT jobs advertised in the UK 32.74% 31.93% 32.19%
Number of daily rates quoted 7,032 8,268 11,462
10th Percentile £340 £350 £363
25th Percentile £413 £425 £450
Median daily rate (50th Percentile) £501 £525 £550
Median % change year-on-year -4.67% -4.55% -2.22%
75th Percentile £625 £650 £675
90th Percentile £738 £775 £783
UK excluding London median daily rate £475 £500 £500
% change year-on-year -5.00% - -
Number of hourly rates quoted 292 343 465
10th Percentile £29.00 £27.00 £32.31
25th Percentile £37.50 £46.18 £48.32
Median hourly rate £55.00 £65.00 £62.50
Median % change year-on-year -15.38% +4.00% +11.61%
75th Percentile £67.06 £70.00 £70.30
90th Percentile £78.75 £78.50 £82.40
UK excluding London median hourly rate £63.75 £65.00 £65.00
% change year-on-year -1.92% - +13.04%

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
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 15 September 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 15 September 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 15 September 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 -155 155 £547 +0.74% 463
UK excluding London -129 109 £500 -7.06% 445
London -29 52 £586 +6.55% 79
Work from Home -43 49 £525 -1.96% 204
East of England -20 40 £538 - 80
South West -24 29 £569 +3.41% 80
Scotland +1 15 £438 -48.53% 22
North of England -32 15 £428 -16.99% 63
North West -22 11 £380 -22.05% 36
South East -36 8 £500 -13.04% 126
Yorkshire -20 3 £500 -5.66% 21
Midlands -43 2 - - 61
East Midlands -6 1 - - 29
West Midlands -38 1 - - 30
North East - 1 - - 6

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 16 (8.65%) WebLogic
2 15 (8.11%) WebSphere
3 6 (3.24%) Apache Spark
4 3 (1.62%) Confluence
5 2 (1.08%) nginx
5 2 (1.08%) OpenStack
6 1 (0.54%) IBM HTTP Server
6 1 (0.54%) SAS
6 1 (0.54%) Tuxedo
Applications
1 12 (6.49%) Simulink
2 7 (3.78%) Microsoft Office
3 5 (2.70%) Stateflow
4 4 (2.16%) Microsoft Excel
4 4 (2.16%) Microsoft PowerPoint
5 1 (0.54%) CANalyzer
Business Applications
1 2 (1.08%) BASE24
1 2 (1.08%) LabWindows
2 1 (0.54%) Dynamics NAV
2 1 (0.54%) Teamcenter
Cloud Services
1 30 (16.22%) AWS
2 22 (11.89%) Azure
3 14 (7.57%) GitHub
4 13 (7.03%) GCP
5 5 (2.70%) OpenShift
6 4 (2.16%) SaaS
7 2 (1.08%) Amazon ECS
7 2 (1.08%) Amazon EKS
7 2 (1.08%) Amazon S3
7 2 (1.08%) AWS CloudFormation
7 2 (1.08%) AWS Lambda
7 2 (1.08%) Entra ID
7 2 (1.08%) IaaS
7 2 (1.08%) npm
7 2 (1.08%) PaaS
7 2 (1.08%) Serverless
8 1 (0.54%) Datadog
8 1 (0.54%) Dynamics 365
8 1 (0.54%) GitHub Actions
Communications & Networking
1 7 (3.78%) SpaceWire
2 6 (3.24%) Ethernet
3 5 (2.70%) RS-232
4 4 (2.16%) Firewall
5 3 (1.62%) HTTPS
5 3 (1.62%) SSL
5 3 (1.62%) TCP/IP
5 3 (1.62%) Wi-Fi
6 2 (1.08%) 3GPP
6 2 (1.08%) ATM
6 2 (1.08%) BGP
6 2 (1.08%) Bluetooth
6 2 (1.08%) DNS
6 2 (1.08%) HTTP
6 2 (1.08%) Internet
6 2 (1.08%) LAN
6 2 (1.08%) Network Security
6 2 (1.08%) NFC
6 2 (1.08%) SMS
6 2 (1.08%) SSH
Database & Business Intelligence
1 8 (4.32%) Oracle Database
2 6 (3.24%) Big Data
2 6 (3.24%) Relational Database
3 5 (2.70%) HPCC
4 4 (2.16%) Data Mining
4 4 (2.16%) RDBMS
5 3 (1.62%) Data Lake
5 3 (1.62%) MongoDB
5 3 (1.62%) NonStop SQL
5 3 (1.62%) PostgreSQL
6 2 (1.08%) Amazon RDS
6 2 (1.08%) DB2
6 2 (1.08%) Elasticsearch
6 2 (1.08%) InfluxDB
7 1 (0.54%) NoSQL
Development Applications
1 21 (11.35%) Git
2 15 (8.11%) Jenkins
3 11 (5.95%) Gradle
3 11 (5.95%) Rational DOORS
4 10 (5.41%) GitLab
5 8 (4.32%) ClearCase
6 7 (3.78%) Xcode
7 5 (2.70%) Maven
7 5 (2.70%) Rational Team Concert
8 4 (2.16%) Clang
8 4 (2.16%) GCC
8 4 (2.16%) JIRA
9 3 (1.62%) Artifactory
9 3 (1.62%) KGDB
10 2 (1.08%) Bitbucket
10 2 (1.08%) CMake
10 2 (1.08%) LabVIEW
10 2 (1.08%) Rational Rhapsody
10 2 (1.08%) Visual Studio
11 1 (0.54%) Subversion
General
1 33 (17.84%) Social Skills
2 27 (14.59%) Finance
3 19 (10.27%) Analytical Skills
4 18 (9.73%) Banking
5 15 (8.11%) Electronics
5 15 (8.11%) Public Sector
6 12 (6.49%) Aerospace
6 12 (6.49%) Telecoms
7 9 (4.86%) Manufacturing
8 8 (4.32%) Marketing
9 7 (3.78%) Documentation Skills
9 7 (3.78%) Investment Banking
9 7 (3.78%) Law
10 4 (2.16%) Aviation
11 3 (1.62%) Financial Institution
11 3 (1.62%) Organisational Skills
12 2 (1.08%) Automotive
12 2 (1.08%) Military
13 1 (0.54%) Back Office
13 1 (0.54%) Front Office
Job Titles
1 37 (20.00%) Developer
2 31 (16.76%) Software Engineer
3 17 (9.19%) Consultant
4 13 (7.03%) Support Engineer
5 12 (6.49%) Architect
5 12 (6.49%) Senior
5 12 (6.49%) Systems Engineer
6 11 (5.95%) C++ Developer
6 11 (5.95%) Linux Engineer
7 10 (5.41%) C++ Software Engineer
8 9 (4.86%) Java Engineer
8 9 (4.86%) Product Engineer
8 9 (4.86%) Products Support Engineer
8 9 (4.86%) Software Support Engineer
9 8 (4.32%) C Software Engineer
9 8 (4.32%) C/C++ Software Engineer
9 8 (4.32%) Linux Support
9 8 (4.32%) Linux Support Engineer
10 7 (3.78%) Design Engineer
11 6 (3.24%) Security Engineer
Libraries, Frameworks & Software Standards
1 33 (17.84%) HTML
2 24 (12.97%) Node.js
3 23 (12.43%) Middleware
4 18 (9.73%) .NET
5 10 (5.41%) CSS
6 9 (4.86%) XML
7 8 (4.32%) JSON
7 8 (4.32%) React
8 6 (3.24%) Spring
9 5 (2.70%) Flash
9 5 (2.70%) REST
10 4 (2.16%) AngularJS
10 4 (2.16%) Google JAX
10 4 (2.16%) JAX
10 4 (2.16%) PyTorch
10 4 (2.16%) TensorFlow
10 4 (2.16%) Yocto
11 3 (1.62%) OpenEmbedded
11 3 (1.62%) scikit-learn
11 3 (1.62%) Spring Boot
Miscellaneous
1 14 (7.57%) FPGA
2 12 (6.49%) Embedded Systems
3 8 (4.32%) VHDL
4 7 (3.78%) Distributed Systems
4 7 (3.78%) Mobile App
4 7 (3.78%) Mobile Banking
5 6 (3.24%) Algorithms
5 6 (3.24%) Analogue Electronics
5 6 (3.24%) CAN bus
5 6 (3.24%) Distributed Computing
6 5 (2.70%) Data Centre
6 5 (2.70%) Equities
6 5 (2.70%) Self-Motivation
6 5 (2.70%) Team-Oriented Environment
7 4 (2.16%) CUDA
7 4 (2.16%) Device Driver
7 4 (2.16%) EMV
7 4 (2.16%) Mainframe
7 4 (2.16%) PCIe
7 4 (2.16%) Verilog
Operating Systems
1 68 (36.76%) Linux
2 32 (17.30%) Windows
3 17 (9.19%) Unix
4 9 (4.86%) Ubuntu
5 7 (3.78%) Android
5 7 (3.78%) Apple iOS
6 5 (2.70%) FreeRTOS
7 4 (2.16%) CentOS
8 3 (1.62%) Red Hat Enterprise Linux
9 2 (1.08%) Mac OS
10 1 (0.54%) AIX
10 1 (0.54%) Robot Operating System
10 1 (0.54%) VMS
10 1 (0.54%) VxWorks
10 1 (0.54%) Windows Server
Processes & Methodologies
1 54 (29.19%) Software Engineering
2 26 (14.05%) Agile
2 26 (14.05%) Problem-Solving
3 21 (11.35%) CI/CD
4 18 (9.73%) Artificial Intelligence
5 17 (9.19%) Requirements Gathering
6 14 (7.57%) Software Testing
7 13 (7.03%) DevOps
7 13 (7.03%) Machine Learning
7 13 (7.03%) TDD
8 12 (6.49%) Mathematics
8 12 (6.49%) Validation
9 11 (5.95%) Microservices
9 11 (5.95%) Scrum
10 10 (5.41%) Containerisation
10 10 (5.41%) Roadmaps
11 9 (4.86%) Deep Learning
11 9 (4.86%) Front End Development
11 9 (4.86%) Low Latency
11 9 (4.86%) SDLC
Programming Languages
1 126 (68.11%) C++
2 88 (47.57%) Java
3 73 (39.46%) Python
4 31 (16.76%) Shell Script
5 25 (13.51%) JavaScript
5 25 (13.51%) SQL
6 19 (10.27%) Bash
7 16 (8.65%) Ada
8 15 (8.11%) PHP
9 14 (7.57%) MATLAB
10 12 (6.49%) C#
11 10 (5.41%) Go
12 9 (4.86%) PowerShell
13 8 (4.32%) Perl
13 8 (4.32%) Scala
13 8 (4.32%) Tcl
14 7 (3.78%) Assembly Language
14 7 (3.78%) Kotlin
14 7 (3.78%) Objective-C
14 7 (3.78%) Swift
Qualifications
1 48 (25.95%) Security Cleared
2 32 (17.30%) SC Cleared
3 18 (9.73%) Degree
4 10 (5.41%) DV Cleared
5 7 (3.78%) Master's Degree
5 7 (3.78%) PhD
6 2 (1.08%) AWS Certification
6 2 (1.08%) Azure Certification
6 2 (1.08%) CCIE
6 2 (1.08%) Cisco Certification
6 2 (1.08%) CISSP
6 2 (1.08%) Computer Science Degree
6 2 (1.08%) JNCIE
Quality Assurance & Compliance
1 9 (4.86%) QA
2 4 (2.16%) IEC 61508
2 4 (2.16%) ISO 26262
3 3 (1.62%) EU AI Act
3 3 (1.62%) GDPR
3 3 (1.62%) IEC 62304
3 3 (1.62%) ISO/IEC 27001
4 2 (1.08%) ISO 8583
4 2 (1.08%) MISRA
4 2 (1.08%) MISRA C
4 2 (1.08%) NIST
4 2 (1.08%) PCI DSS
5 1 (0.54%) Actionable Recommendations
5 1 (0.54%) AUTOSAR
5 1 (0.54%) DO-254
System Software
1 18 (9.73%) Docker
2 15 (8.11%) Firmware
3 6 (3.24%) Embedded Firmware
4 4 (2.16%) Active Directory
5 3 (1.62%) QEMU
6 2 (1.08%) KVM
7 1 (0.54%) Virtual Machines
7 1 (0.54%) VMware Infrastructure
7 1 (0.54%) Xen
Systems Management
1 20 (10.81%) Kubernetes
2 8 (4.32%) Ansible
2 8 (4.32%) Terraform
3 6 (3.24%) Istio
4 4 (2.16%) Grafana
5 3 (1.62%) Podman
6 2 (1.08%) Prometheus
6 2 (1.08%) Single Sign-On
7 1 (0.54%) Functional Safety
7 1 (0.54%) ITRS Geneos
7 1 (0.54%) Rsyslog
7 1 (0.54%) SCOM
Vendors
1 17 (9.19%) Dynatrace
2 15 (8.11%) Oracle
2 15 (8.11%) Red Hat
3 10 (5.41%) Microsoft
3 10 (5.41%) SAP
4 8 (4.32%) IBM
4 8 (4.32%) NetApp
5 6 (3.24%) Hitachi
6 5 (2.70%) Atlassian
6 5 (2.70%) MathWorks
7 4 (2.16%) HP
7 4 (2.16%) ServiceNow
7 4 (2.16%) Twitter
8 2 (1.08%) Arista
8 2 (1.08%) Cisco
8 2 (1.08%) Intel
8 2 (1.08%) Salesforce
8 2 (1.08%) Software AG
8 2 (1.08%) Splunk
8 2 (1.08%) Wind River