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 1 May 2025, comparing them to the same period in the previous two years.

6 months to
1 May 2025
Same period 2024 Same period 2023
Rank 289 310 258
Rank change year-on-year +21 -52 +113
Contract jobs citing C 64 81 260
As % of all contract jobs advertised in London 0.51% 0.45% 0.96%
As % of the Programming Languages category 1.29% 1.26% 2.36%
Number of daily rates quoted 32 53 146
10th Percentile £315 £250 £505
25th Percentile £454 £325 £539
Median daily rate (50th Percentile) £513 £450 £639
Median % change year-on-year +13.89% -29.60% +6.54%
75th Percentile £670 £556 £738
90th Percentile £686 £725 £913
England median daily rate £500 £535 £600
% change year-on-year -6.54% -10.83% +5.45%
Number of hourly rates quoted 0 7 14
10th Percentile - £55.50 -
25th Percentile - £60.88 £56.25
Median hourly rate - £68.75 £57.50
Median % change year-on-year - +19.57% +4.55%
75th Percentile - £72.50 £58.75
90th Percentile - £73.50 -
England median hourly rate £68.00 £65.00 £58.70
% change year-on-year +4.62% +10.73% +6.73%

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 4,959 6,430 11,021
As % of all contract IT jobs advertised in London 39.52% 36.06% 40.77%
Number of daily rates quoted 3,479 4,906 8,206
10th Percentile £380 £380 £413
25th Percentile £449 £463 £500
Median daily rate (50th Percentile) £550 £575 £600
Median % change year-on-year -4.35% -4.17% -
75th Percentile £712 £700 £738
90th Percentile £825 £825 £825
England median daily rate £525 £540 £565
% change year-on-year -2.78% -4.42% +2.73%
Number of hourly rates quoted 30 57 85
10th Percentile £29.07 £23.80 £34.55
25th Percentile £35.00 £36.25 £49.25
Median hourly rate £44.50 £50.50 £57.50
Median % change year-on-year -11.88% -12.17% +15.00%
75th Percentile £60.81 £61.75 £75.00
90th Percentile £69.38 £70.75 £83.45
England median hourly rate £62.75 £62.50 £61.84
% change year-on-year +0.40% +1.07% +23.68%

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 1 May 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 1 May 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 +12 14 £500 -31.03% 15
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 14 (21.88%) Apache Spark
2 1 (1.56%) Apache
2 1 (1.56%) Confluence
2 1 (1.56%) Ethereum
2 1 (1.56%) Hyperledger
2 1 (1.56%) MetaMask
Applications
1 3 (4.69%) Microsoft Excel
2 1 (1.56%) CANalyzer
Business Applications
1 4 (6.25%) BASE24
2 1 (1.56%) R3 Corda
Cloud Services
1 15 (23.44%) AWS
2 9 (14.06%) Azure
3 8 (12.50%) GCP
4 3 (4.69%) Amazon CloudWatch
4 3 (4.69%) Datadog
5 1 (1.56%) Apple Pay
5 1 (1.56%) Azure ExpressRoute
5 1 (1.56%) Azure Key Vault
5 1 (1.56%) Dynamics 365
5 1 (1.56%) Entra ID
5 1 (1.56%) GitHub
5 1 (1.56%) GitHub Actions
5 1 (1.56%) OpenShift
Communications & Networking
1 6 (9.38%) DHCP
1 6 (9.38%) DOCSIS
1 6 (9.38%) TCP/IP
1 6 (9.38%) Wi-Fi
2 4 (6.25%) ATM
2 4 (6.25%) DNS
2 4 (6.25%) SSL
3 3 (4.69%) 802.11
3 3 (4.69%) Broadband
3 3 (4.69%) DSL
3 3 (4.69%) GPON
3 3 (4.69%) IPv4
3 3 (4.69%) IPv6
3 3 (4.69%) Network Security
3 3 (4.69%) PPP
3 3 (4.69%) VoIP
4 2 (3.13%) HTTPS
4 2 (3.13%) SAN
4 2 (3.13%) VLAN
4 2 (3.13%) Wireless
Database & Business Intelligence
1 8 (12.50%) Data Mining
2 7 (10.94%) Big Data
3 4 (6.25%) NonStop SQL
4 3 (4.69%) InfluxDB
4 3 (4.69%) Looker
5 2 (3.13%) RDBMS
5 2 (3.13%) Relational Database
6 1 (1.56%) Hadoop
6 1 (1.56%) MongoDB
6 1 (1.56%) NoSQL
6 1 (1.56%) PostgreSQL
6 1 (1.56%) Text Mining
Development Applications
1 13 (20.31%) Git
2 5 (7.81%) Jenkins
3 1 (1.56%) Gerrit
3 1 (1.56%) GitLab
3 1 (1.56%) Hardhat
3 1 (1.56%) JIRA
General
1 20 (31.25%) Social Skills
2 19 (29.69%) Finance
3 12 (18.75%) Analytical Skills
4 7 (10.94%) Financial Institution
5 5 (7.81%) Banking
6 4 (6.25%) Investment Banking
7 1 (1.56%) Documentation Skills
7 1 (1.56%) Front Office
7 1 (1.56%) German Language
7 1 (1.56%) Organisational Skills
7 1 (1.56%) Presentation Skills
7 1 (1.56%) Public Sector
7 1 (1.56%) Telecoms
Job Titles
1 13 (20.31%) Machine Learning Engineer
2 11 (17.19%) Lead
3 8 (12.50%) Developer
4 6 (9.38%) AWS Engineer
4 6 (9.38%) Senior
5 5 (7.81%) Software Engineer
5 5 (7.81%) Team Leader
6 4 (6.25%) Big Data Engineer
6 4 (6.25%) C++ Developer
6 4 (6.25%) Technical Leader
7 3 (4.69%) Analyst
7 3 (4.69%) Java Engineer
7 3 (4.69%) Pensions Analyst
7 3 (4.69%) Principal Engineer
7 3 (4.69%) Python Engineer
8 2 (3.13%) OpenVMS Administrator
8 2 (3.13%) Python Developer
8 2 (3.13%) Quantitative Developer
8 2 (3.13%) Senior Software Engineer
8 2 (3.13%) VMS Administrator
Libraries, Frameworks & Software Standards
1 7 (10.94%) Ray
2 5 (7.81%) Elastic Stack
3 3 (4.69%) 802.1X
3 3 (4.69%) XML
3 3 (4.69%) Yocto
4 2 (3.13%) React
4 2 (3.13%) Web Services
5 1 (1.56%) .NET
5 1 (1.56%) AngularJS
5 1 (1.56%) EntireX
5 1 (1.56%) Flask
5 1 (1.56%) JSON
5 1 (1.56%) Middleware
5 1 (1.56%) Motif
5 1 (1.56%) POSIX
5 1 (1.56%) scikit-learn
5 1 (1.56%) Servlets
5 1 (1.56%) STL
5 1 (1.56%) TensorFlow
5 1 (1.56%) Vue
Miscellaneous
1 17 (26.56%) Distributed Systems
2 13 (20.31%) Distributed Computing
3 10 (15.63%) Algorithms
4 7 (10.94%) Hedge funds
5 6 (9.38%) Data Structures
6 5 (7.81%) Embedded Systems
6 5 (7.81%) Enterprise Software
6 5 (7.81%) Tandem
7 3 (4.69%) Digital TV
7 3 (4.69%) Equities
7 3 (4.69%) IoT
7 3 (4.69%) STB
7 3 (4.69%) Team-Oriented Environment
7 3 (4.69%) Video\Live Streaming
8 2 (3.13%) Mainframe
8 2 (3.13%) Onboarding
8 2 (3.13%) Renewable Energy
8 2 (3.13%) Security Posture
8 2 (3.13%) Solar Panel
9 1 (1.56%) Foreign Exchange (FX)
Operating Systems
1 27 (42.19%) Linux
2 8 (12.50%) Unix
3 6 (9.38%) Windows
4 3 (4.69%) Embedded Linux
5 2 (3.13%) OpenVMS
5 2 (3.13%) OpenWrt
5 2 (3.13%) VMS
6 1 (1.56%) Windows Server
Processes & Methodologies
1 17 (26.56%) Machine Learning
2 16 (25.00%) CI/CD
3 15 (23.44%) Technical Leadership
4 14 (21.88%) Algorithmic Trading
4 14 (21.88%) Deep Learning
4 14 (21.88%) Electronic Trading
4 14 (21.88%) Market Making
5 13 (20.31%) Computer Science
6 12 (18.75%) Continuous Deployment
6 12 (18.75%) Continuous Integration
6 12 (18.75%) Problem-Solving
7 11 (17.19%) Artificial Intelligence
8 10 (15.63%) Parallel Computing
8 10 (15.63%) Software Engineering
9 9 (14.06%) Low Latency
10 8 (12.50%) OO
11 7 (10.94%) Agile
11 7 (10.94%) Proprietary Trading
11 7 (10.94%) Technical Debt
11 7 (10.94%) Test Automation
Programming Languages
1 45 (70.31%) C++
2 43 (67.19%) Python
3 39 (60.94%) Java
4 21 (32.81%) Shell Script
5 10 (15.63%) SQL
6 6 (9.38%) Go
7 4 (6.25%) ActionScript
7 4 (6.25%) ActionScript 2.0
7 4 (6.25%) COBOL
8 3 (4.69%) Rust
9 2 (3.13%) C#
10 1 (1.56%) Assembly Language
10 1 (1.56%) Embedded C
10 1 (1.56%) Embedded C++
10 1 (1.56%) JavaScript
10 1 (1.56%) JCL
10 1 (1.56%) Natural
10 1 (1.56%) PowerShell
10 1 (1.56%) Solidity
Qualifications
1 14 (21.88%) Degree
2 13 (20.31%) Master's Degree
3 12 (18.75%) PhD
4 3 (4.69%) AWS Certification
4 3 (4.69%) Computer Science Degree
5 2 (3.13%) Security Cleared
6 1 (1.56%) DV Cleared
6 1 (1.56%) SC Cleared
Quality Assurance & Compliance
1 4 (6.25%) QA
2 2 (3.13%) ISO 8583
3 1 (1.56%) GDPR
3 1 (1.56%) HIPAA
3 1 (1.56%) NIST
3 1 (1.56%) PCI DSS
3 1 (1.56%) PSD2
System Software
1 1 (1.56%) Active Directory
1 1 (1.56%) Hyper-V
1 1 (1.56%) VMware Infrastructure
1 1 (1.56%) VMware NSX
1 1 (1.56%) vSphere
1 1 (1.56%) XYGATE
Systems Management
1 4 (6.25%) Grafana
2 2 (3.13%) Ansible
3 1 (1.56%) Kubernetes
3 1 (1.56%) Prometheus
3 1 (1.56%) Single Sign-On
3 1 (1.56%) Terraform
3 1 (1.56%) ZABBIX
Vendors
1 5 (7.81%) Splunk
2 4 (6.25%) HP
2 4 (6.25%) Microsoft
3 3 (4.69%) IBM
3 3 (4.69%) TOWER Software
4 2 (3.13%) IBM Sterling
5 1 (1.56%) Fujitsu
5 1 (1.56%) Oracle
5 1 (1.56%) Software AG
5 1 (1.56%) SolarWinds
5 1 (1.56%) VMware