C Contract Job Trends in London

C
England > London

The table below provides summary statistics and contractor rates for jobs advertised in London requiring C skills. It covers vacancies from the 6 months leading up to 18 September 2025, with comparisons to the same periods in the previous two years.

6 months to
18 Sep 2025
Same period 2024 Same period 2023
Rank 309 283 314
Rank change year-on-year -26 +31 +12
Contract jobs citing C 53 102 127
As % of all contract jobs advertised in London 0.39% 0.63% 0.58%
As % of the Programming Languages category 1.02% 1.56% 1.54%
Number of daily rates quoted 27 64 88
10th Percentile £360 £403 £471
25th Percentile £425 £483 £530
Median daily rate (50th Percentile) £586 £550 £650
Median % change year-on-year +6.55% -15.38% +8.33%
75th Percentile £675 £684 £810
90th Percentile £775 £847 £898
England median daily rate £547 £540 £550
% change year-on-year +1.20% -1.82% -8.33%
Number of hourly rates quoted 0 3 5
10th Percentile - £51.73 £32.94
25th Percentile - £56.94 £48.60
Median hourly rate - £68.75 £52.50
Median % change year-on-year - +30.95% -
75th Percentile - £71.88 £55.79
90th Percentile - - £60.56
England median hourly rate £68.00 £68.75 £65.00
% change year-on-year -1.09% +5.77% +14.04%

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 5,186 6,553 8,242
As % of all contract IT jobs advertised in London 38.57% 40.23% 37.87%
Number of daily rates quoted 3,566 4,698 6,182
10th Percentile £372 £364 £400
25th Percentile £426 £463 £475
Median daily rate (50th Percentile) £550 £575 £600
Median % change year-on-year -4.35% -4.17% -
75th Percentile £688 £700 £725
90th Percentile £825 £850 £825
England median daily rate £513 £548 £550
% change year-on-year -6.39% -0.45% -4.35%
Number of hourly rates quoted 65 42 72
10th Percentile £26.71 £25.32 £25.80
25th Percentile £33.25 £33.99 £39.75
Median hourly rate £45.00 £47.50 £60.00
Median % change year-on-year -5.26% -20.83% +13.78%
75th Percentile £63.75 £60.45 £72.13
90th Percentile £87.00 £78.50 £86.40
England median hourly rate £56.25 £65.00 £65.00
% change year-on-year -13.46% - +13.04%

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
Daily Rate Trend in London

Contractor daily rate distribution trend for jobs in London citing C.

Contractor daily rate distribution trend for jobs in London citing C

C
Daily Rate Histogram in London

Daily rate distribution for jobs citing C in London over the 6 months to 18 September 2025.

Daily rate histogram for C in London

C
Hourly Rate Trend in London

Contractor hourly rate distribution trend for jobs in London citing C.

Contractor hourly rate distribution trend for jobs in London citing C

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 18 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
Central London +5 4 £625 -13.79% 13
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 6 (11.32%) Apache Spark
2 1 (1.89%) Confluence
2 1 (1.89%) IBM HTTP Server
2 1 (1.89%) OpenStack
Applications
1 1 (1.89%) CANalyzer
1 1 (1.89%) Microsoft Office
Business Applications
1 1 (1.89%) BASE24
1 1 (1.89%) Dynamics NAV
Cloud Services
1 24 (45.28%) AWS
2 17 (32.08%) Azure
3 11 (20.75%) GCP
4 6 (11.32%) GitHub
5 1 (1.89%) Datadog
5 1 (1.89%) Dynamics 365
5 1 (1.89%) IaaS
5 1 (1.89%) OpenShift
5 1 (1.89%) PaaS
5 1 (1.89%) SaaS
Communications & Networking
1 3 (5.66%) Firewall
1 3 (5.66%) TCP/IP
2 2 (3.77%) Internet
2 2 (3.77%) LAN
2 2 (3.77%) SMS
3 1 (1.89%) 3GPP
3 1 (1.89%) Anycast
3 1 (1.89%) ATM
3 1 (1.89%) BGP
3 1 (1.89%) DNS
3 1 (1.89%) Ethernet VPN
3 1 (1.89%) J1939
3 1 (1.89%) Network Security
3 1 (1.89%) Radio Access Network
3 1 (1.89%) Software-Defined Networking
3 1 (1.89%) VXLAN
3 1 (1.89%) WAN
3 1 (1.89%) Wi-Fi
Database & Business Intelligence
1 6 (11.32%) Big Data
2 5 (9.43%) HPCC
3 4 (7.55%) Data Mining
4 3 (5.66%) Data Lake
4 3 (5.66%) Elasticsearch
5 2 (3.77%) DB2
5 2 (3.77%) NonStop SQL
5 2 (3.77%) Relational Database
6 1 (1.89%) Oracle Database
Development Applications
1 7 (13.21%) Git
2 5 (9.43%) GitLab
3 4 (7.55%) Clang
3 4 (7.55%) GCC
4 3 (5.66%) Gradle
4 3 (5.66%) Maven
5 1 (1.89%) CANoe
5 1 (1.89%) ClearCase
5 1 (1.89%) CMake
5 1 (1.89%) JIRA
5 1 (1.89%) TensorBoard
General
1 23 (43.40%) Finance
2 14 (26.42%) Social Skills
3 10 (18.87%) Analytical Skills
3 10 (18.87%) Banking
4 7 (13.21%) Investment Banking
4 7 (13.21%) Public Sector
5 5 (9.43%) Telecoms
6 4 (7.55%) Electronics
6 4 (7.55%) Financial Institution
6 4 (7.55%) Manufacturing
6 4 (7.55%) Marketing
7 1 (1.89%) Automotive
7 1 (1.89%) Back Office
7 1 (1.89%) Front Office
7 1 (1.89%) Inclusion and Diversity
7 1 (1.89%) Military
Job Titles
1 19 (35.85%) Developer
2 11 (20.75%) C++ Developer
3 7 (13.21%) Linux Developer
4 6 (11.32%) Machine Learning Engineer
5 5 (9.43%) Architect
5 5 (9.43%) AWS Engineer
5 5 (9.43%) Azure Engineer
5 5 (9.43%) Java Engineer
5 5 (9.43%) Software Engineer
5 5 (9.43%) Unix Developer
6 4 (7.55%) Azure Software Engineer
6 4 (7.55%) Build Engineer
6 4 (7.55%) Data Architect
6 4 (7.55%) Java Software Engineer
7 3 (5.66%) FPGA Developer
7 3 (5.66%) Full-Stack Developer
7 3 (5.66%) Lead
7 3 (5.66%) Low Latency C++ Developer
7 3 (5.66%) Market Data Developer
8 2 (3.77%) Senior
Libraries, Frameworks & Software Standards
1 11 (20.75%) HTML
2 7 (13.21%) JSON
2 7 (13.21%) XML
3 5 (9.43%) Node.js
3 5 (9.43%) React
3 5 (9.43%) Spring
4 4 (7.55%) CSS
5 3 (5.66%) AngularJS
5 3 (5.66%) Electron
5 3 (5.66%) JNI
5 3 (5.66%) STL
6 2 (3.77%) COM
6 2 (3.77%) Spring Boot
7 1 (1.89%) .NET
7 1 (1.89%) Elastic Stack
7 1 (1.89%) EntireX
7 1 (1.89%) REST
7 1 (1.89%) SOAP
7 1 (1.89%) TensorFlow
7 1 (1.89%) web3js
Miscellaneous
1 6 (11.32%) Distributed Computing
2 5 (9.43%) Equities
2 5 (9.43%) Team-Oriented Environment
3 4 (7.55%) Distributed Systems
3 4 (7.55%) Hedge funds
4 3 (5.66%) Embedded Systems
4 3 (5.66%) FPGA
5 2 (3.77%) Algorithms
5 2 (3.77%) Data Centre
5 2 (3.77%) Mainframe
5 2 (3.77%) Market Risk
5 2 (3.77%) Online Banking
5 2 (3.77%) Tandem
6 1 (1.89%) Arduino
6 1 (1.89%) CAN bus
6 1 (1.89%) Credit Risk
6 1 (1.89%) Data Structures
6 1 (1.89%) Foreign Exchange (FX)
6 1 (1.89%) Hybrid Cloud
6 1 (1.89%) Wiki
Operating Systems
1 24 (45.28%) Linux
2 13 (24.53%) Windows
3 12 (22.64%) Unix
4 3 (5.66%) CentOS
4 3 (5.66%) Mac OS
5 1 (1.89%) AIX
5 1 (1.89%) Red Hat Enterprise Linux
5 1 (1.89%) Robot Operating System
5 1 (1.89%) Windows Server
Processes & Methodologies
1 9 (16.98%) Low Latency
1 9 (16.98%) Problem-Solving
1 9 (16.98%) Software Engineering
2 8 (15.09%) Machine Learning
3 7 (13.21%) Agile
4 6 (11.32%) Artificial Intelligence
4 6 (11.32%) CI/CD
4 6 (11.32%) Code Coverage
4 6 (11.32%) Computer Science
4 6 (11.32%) Deep Learning
4 6 (11.32%) TDD
5 5 (9.43%) Investment Management
5 5 (9.43%) Product Requirements
5 5 (9.43%) Waterfall
5 5 (9.43%) Wealth Management
6 4 (7.55%) Build Automation
6 4 (7.55%) Business Intelligence
6 4 (7.55%) Data Governance
6 4 (7.55%) Digital Marketing
6 4 (7.55%) ETL
Programming Languages
1 40 (75.47%) C++
2 35 (66.04%) Python
3 30 (56.60%) Java
4 16 (30.19%) SQL
5 12 (22.64%) Shell Script
6 8 (15.09%) Perl
7 7 (13.21%) Bash
8 6 (11.32%) PowerShell
9 5 (9.43%) C#
9 5 (9.43%) JavaScript
10 4 (7.55%) PL/SQL
11 3 (5.66%) Rust
12 1 (1.89%) Assembly Language
12 1 (1.89%) COBOL
12 1 (1.89%) Embedded C
12 1 (1.89%) Embedded C++
12 1 (1.89%) Go
12 1 (1.89%) JCL
12 1 (1.89%) Natural
12 1 (1.89%) SystemVerilog
Qualifications
1 8 (15.09%) Degree
2 7 (13.21%) Security Cleared
3 6 (11.32%) SC Cleared
4 5 (9.43%) Master's Degree
4 5 (9.43%) PhD
5 2 (3.77%) Computer Science Degree
6 1 (1.89%) CCIE
6 1 (1.89%) Cisco Certification
6 1 (1.89%) CISSP
6 1 (1.89%) JNCIE
Quality Assurance & Compliance
1 1 (1.89%) AUTOSAR
1 1 (1.89%) ISO 8583
1 1 (1.89%) PCI DSS
1 1 (1.89%) QA
System Software
1 8 (15.09%) Docker
2 2 (3.77%) Firmware
3 1 (1.89%) Active Directory
3 1 (1.89%) Embedded Firmware
3 1 (1.89%) KVM
3 1 (1.89%) VMware Infrastructure
Systems Management
1 4 (7.55%) Kubernetes
2 2 (3.77%) Terraform
3 1 (1.89%) Ansible
3 1 (1.89%) Grafana
3 1 (1.89%) ITRS Geneos
3 1 (1.89%) Prometheus
Vendors
1 7 (13.21%) Microsoft
2 5 (9.43%) Oracle
2 5 (9.43%) Red Hat
2 5 (9.43%) SAP
3 3 (5.66%) HP
3 3 (5.66%) IBM
4 2 (3.77%) Dynatrace
4 2 (3.77%) ServiceNow
4 2 (3.77%) Splunk
5 1 (1.89%) Apple
5 1 (1.89%) Arista
5 1 (1.89%) Cisco
5 1 (1.89%) Databricks
5 1 (1.89%) Fujitsu
5 1 (1.89%) NetApp
5 1 (1.89%) Salesforce
5 1 (1.89%) Software AG
5 1 (1.89%) VMware
5 1 (1.89%) Wind River