C Contracts in London

C
England > London

The table below provides summary statistics for contract job vacancies advertised in London requiring C skills. It includes a benchmarking guide to the contractor rates offered in vacancies that cited C over the 6 months leading up to 5 July 2025, comparing them to the same period in the previous two years.

6 months to
5 Jul 2025
Same period 2024 Same period 2023
Rank 292 305 296
Rank change year-on-year +13 -9 +69
Contract jobs citing C 68 100 195
As % of all contract jobs advertised in London 0.51% 0.57% 0.76%
As % of the Programming Languages category 1.30% 1.47% 1.91%
Number of daily rates quoted 39 68 129
10th Percentile £323 £303 £499
25th Percentile £450 £412 £525
Median daily rate (50th Percentile) £600 £500 £650
Median % change year-on-year +20.00% -23.08% +8.79%
75th Percentile £675 £575 £800
90th Percentile £775 £854 £950
England median daily rate £525 £535 £561
% change year-on-year -1.87% -4.63% -2.43%
Number of hourly rates quoted 0 5 6
10th Percentile - £54.95 £35.55
25th Percentile - £65.00 £48.95
Median hourly rate - £68.75 £52.35
Median % change year-on-year - +31.34% +16.32%
75th Percentile - £72.50 £55.28
90th Percentile - £74.00 £66.02
England median hourly rate £68.00 £65.00 £60.00
% change year-on-year +4.62% +8.33% +7.14%

All Programming Languages
London

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 in London.

Contract vacancies with a requirement for coding skills 5,230 6,824 10,190
As % of all contract IT jobs advertised in London 39.38% 38.73% 39.75%
Number of daily rates quoted 3,669 5,172 7,665
10th Percentile £370 £375 £406
25th Percentile £431 £463 £488
Median daily rate (50th Percentile) £550 £575 £600
Median % change year-on-year -4.35% -4.17% -
75th Percentile £700 £700 £738
90th Percentile £825 £850 £835
England median daily rate £520 £543 £550
% change year-on-year -4.15% -1.36% -0.72%
Number of hourly rates quoted 49 50 78
10th Percentile £27.18 £23.80 £25.60
25th Percentile £33.25 £34.82 £48.95
Median hourly rate £42.82 £49.75 £61.50
Median % change year-on-year -13.94% -19.11% +21.48%
75th Percentile £59.00 £62.23 £75.00
90th Percentile £81.25 £72.75 £87.59
England median hourly rate £56.38 £65.00 £62.50
% change year-on-year -13.27% +4.00% +18.42%

C
Job Vacancy Trend in London

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

Job vacancy trend for C in London

C
Contractor Daily Rate Trend in London

3-month moving average daily rate quoted in jobs citing C in London.

Daily rate trend for C in London

C
Daily Rate Histogram in London

Daily rate distribution for jobs citing C in London over the 6 months to 5 July 2025.

Daily rate histogram for C in London

C
Contractor Hourly Rate Trend in London

3-month moving average hourly rates quoted in jobs citing C in London.

Hourly rate trend for C in London

C
Contract Job Locations in London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing C within the London region over the 6 months to 5 July 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
Central London +11 7 £625 -21.88% 65
C
England

C
Co-occurring Skills and Capabilities in London 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 12 (17.65%) Apache Spark
2 1 (1.47%) Apache
2 1 (1.47%) Confluence
2 1 (1.47%) Ethereum
2 1 (1.47%) Hyperledger
2 1 (1.47%) IBM HTTP Server
2 1 (1.47%) MetaMask
2 1 (1.47%) OpenStack
Applications
1 1 (1.47%) CANalyzer
1 1 (1.47%) Microsoft Office
Business Applications
1 1 (1.47%) BASE24
1 1 (1.47%) Dynamics NAV
1 1 (1.47%) R3 Corda
Cloud Services
1 24 (35.29%) AWS
2 15 (22.06%) Azure
3 10 (14.71%) GCP
4 5 (7.35%) GitHub
5 2 (2.94%) OpenShift
6 1 (1.47%) Azure ExpressRoute
6 1 (1.47%) Azure Key Vault
6 1 (1.47%) Dynamics 365
6 1 (1.47%) Entra ID
6 1 (1.47%) GitHub Actions
6 1 (1.47%) IaaS
6 1 (1.47%) PaaS
6 1 (1.47%) SaaS
Communications & Networking
1 4 (5.88%) SSL
2 2 (2.94%) Firewall
2 2 (2.94%) HTTPS
2 2 (2.94%) Internet
2 2 (2.94%) LAN
2 2 (2.94%) SAN
2 2 (2.94%) SMS
2 2 (2.94%) SSH
3 1 (1.47%) 3GPP
3 1 (1.47%) Anycast
3 1 (1.47%) ATM
3 1 (1.47%) DNS
3 1 (1.47%) Network Security
3 1 (1.47%) Radio Access Network
3 1 (1.47%) Software-Defined Networking
3 1 (1.47%) TCP/IP
3 1 (1.47%) VPN
3 1 (1.47%) VSAN
3 1 (1.47%) VXLAN
3 1 (1.47%) WAN
Database & Business Intelligence
1 8 (11.76%) Big Data
2 7 (10.29%) Data Mining
3 4 (5.88%) HPCC
3 4 (5.88%) Relational Database
4 2 (2.94%) Data Lake
4 2 (2.94%) DB2
4 2 (2.94%) RDBMS
5 1 (1.47%) Hadoop
5 1 (1.47%) MongoDB
5 1 (1.47%) NonStop SQL
5 1 (1.47%) NoSQL
5 1 (1.47%) PostgreSQL
Development Applications
1 14 (20.59%) Git
2 5 (7.35%) GitLab
3 3 (4.41%) Clang
3 3 (4.41%) GCC
4 2 (2.94%) Gradle
4 2 (2.94%) Jenkins
4 2 (2.94%) Maven
5 1 (1.47%) CANoe
5 1 (1.47%) Hardhat
5 1 (1.47%) JIRA
5 1 (1.47%) TensorBoard
General
1 22 (32.35%) Finance
2 20 (29.41%) Social Skills
3 12 (17.65%) Analytical Skills
4 10 (14.71%) Banking
5 7 (10.29%) Financial Institution
5 7 (10.29%) Investment Banking
6 4 (5.88%) Public Sector
6 4 (5.88%) Telecoms
7 3 (4.41%) Electronics
7 3 (4.41%) Manufacturing
7 3 (4.41%) Marketing
8 2 (2.94%) Front Office
9 1 (1.47%) Automotive
9 1 (1.47%) Organisational Skills
Job Titles
1 14 (20.59%) Developer
2 11 (16.18%) Lead
2 11 (16.18%) Machine Learning Engineer
3 10 (14.71%) C++ Developer
4 7 (10.29%) AWS Engineer
4 7 (10.29%) Senior
5 6 (8.82%) Architect
5 6 (8.82%) Software Engineer
6 5 (7.35%) Java Engineer
6 5 (7.35%) Technical Leader
7 4 (5.88%) Azure Engineer
7 4 (5.88%) Data Architect
8 3 (4.41%) Azure Software Engineer
8 3 (4.41%) Build Engineer
8 3 (4.41%) Java Software Engineer
8 3 (4.41%) Principal Engineer
8 3 (4.41%) Support Engineer
8 3 (4.41%) Team Leader
9 2 (2.94%) Big Data Engineer
9 2 (2.94%) Market Risk C++ Developer
Libraries, Frameworks & Software Standards
1 8 (11.76%) XML
2 6 (8.82%) HTML
2 6 (8.82%) JSON
3 4 (5.88%) Ray
3 4 (5.88%) React
3 4 (5.88%) Spring
4 3 (4.41%) STL
5 2 (2.94%) Node.js
5 2 (2.94%) PyTorch
5 2 (2.94%) Spring Boot
5 2 (2.94%) TensorFlow
6 1 (1.47%) eBPF
6 1 (1.47%) Elastic Stack
6 1 (1.47%) Google JAX
6 1 (1.47%) JAX
6 1 (1.47%) PySpark
6 1 (1.47%) Smart Contracts
6 1 (1.47%) Truffle
6 1 (1.47%) Vue
6 1 (1.47%) web3js
Miscellaneous
1 14 (20.59%) Distributed Systems
2 11 (16.18%) Distributed Computing
3 8 (11.76%) Algorithms
4 7 (10.29%) Hedge funds
5 6 (8.82%) Data Structures
6 5 (7.35%) Enterprise Software
6 5 (7.35%) Equities
6 5 (7.35%) Team-Oriented Environment
7 3 (4.41%) Tandem
8 2 (2.94%) Data Centre
8 2 (2.94%) Embedded Systems
8 2 (2.94%) Foreign Exchange (FX)
8 2 (2.94%) Mainframe
8 2 (2.94%) Market Risk
8 2 (2.94%) Onboarding
8 2 (2.94%) Online Banking
8 2 (2.94%) Security Posture
9 1 (1.47%) Blockchain
9 1 (1.47%) Cloud Native
9 1 (1.47%) Virtual Team
Operating Systems
1 28 (41.18%) Linux
2 16 (23.53%) Windows
3 13 (19.12%) Unix
4 2 (2.94%) OpenVMS
4 2 (2.94%) VMS
4 2 (2.94%) Windows Server
5 1 (1.47%) AIX
5 1 (1.47%) Red Hat Enterprise Linux
Processes & Methodologies
1 15 (22.06%) Machine Learning
2 13 (19.12%) Software Engineering
3 11 (16.18%) Artificial Intelligence
3 11 (16.18%) CI/CD
3 11 (16.18%) Deep Learning
3 11 (16.18%) Low Latency
3 11 (16.18%) Technical Leadership
4 10 (14.71%) Algorithmic Trading
4 10 (14.71%) Computer Science
4 10 (14.71%) Problem-Solving
5 9 (13.24%) Electronic Trading
5 9 (13.24%) Market Making
6 8 (11.76%) Agile
6 8 (11.76%) Continuous Deployment
6 8 (11.76%) Continuous Integration
7 7 (10.29%) Parallel Computing
7 7 (10.29%) Proprietary Trading
8 5 (7.35%) Code Coverage
8 5 (7.35%) Cryptography
8 5 (7.35%) Migration
Programming Languages
1 49 (72.06%) C++
2 46 (67.65%) Python
3 38 (55.88%) Java
4 16 (23.53%) Shell Script
5 15 (22.06%) SQL
6 6 (8.82%) PowerShell
7 5 (7.35%) Bash
7 5 (7.35%) C#
8 4 (5.88%) ActionScript
8 4 (5.88%) ActionScript 2.0
8 4 (5.88%) Perl
8 4 (5.88%) PL/SQL
9 3 (4.41%) COBOL
9 3 (4.41%) Rust
10 2 (2.94%) Go
11 1 (1.47%) JavaScript
11 1 (1.47%) JCL
11 1 (1.47%) Natural
11 1 (1.47%) Solidity
11 1 (1.47%) SystemVerilog
Qualifications
1 14 (20.59%) Degree
2 12 (17.65%) Master's Degree
3 10 (14.71%) PhD
4 5 (7.35%) Security Cleared
5 4 (5.88%) SC Cleared
6 3 (4.41%) Computer Science Degree
7 1 (1.47%) CCIE
7 1 (1.47%) Cisco Certification
7 1 (1.47%) CISSP
7 1 (1.47%) DV Cleared
7 1 (1.47%) JNCIE
Quality Assurance & Compliance
1 1 (1.47%) AUTOSAR
1 1 (1.47%) GDPR
1 1 (1.47%) HIPAA
1 1 (1.47%) ISO 8583
1 1 (1.47%) NIST
1 1 (1.47%) PCI DSS
System Software
1 5 (7.35%) Docker
2 2 (2.94%) Active Directory
3 1 (1.47%) Firmware
3 1 (1.47%) Hyper-V
3 1 (1.47%) VMware Infrastructure
3 1 (1.47%) VMware NSX
3 1 (1.47%) vSphere
Systems Management
1 4 (5.88%) Kubernetes
2 3 (4.41%) Ansible
3 2 (2.94%) Terraform
4 1 (1.47%) Grafana
4 1 (1.47%) ITRS Geneos
4 1 (1.47%) Prometheus
4 1 (1.47%) Single Sign-On
4 1 (1.47%) ZABBIX
Vendors
1 7 (10.29%) Microsoft
2 5 (7.35%) IBM
3 4 (5.88%) SAP
4 3 (4.41%) Splunk
5 2 (2.94%) Dynatrace
5 2 (2.94%) HP
5 2 (2.94%) IBM Sterling
5 2 (2.94%) Oracle
5 2 (2.94%) Red Hat
5 2 (2.94%) ServiceNow
6 1 (1.47%) Apple
6 1 (1.47%) Arista
6 1 (1.47%) Cisco
6 1 (1.47%) Databricks
6 1 (1.47%) Fujitsu
6 1 (1.47%) Salesforce
6 1 (1.47%) Software AG
6 1 (1.47%) SolarWinds
6 1 (1.47%) VMware
6 1 (1.47%) Wind River