Period
to 19 January 2022

The following table provides summary statistics for contract job vacancies advertised in London with a requirement for C skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited C over the 6 months to 19 January 2022 with a comparison to the same period in the previous 2 years.

Note that daily and hourly rates are treated separately in these statistics. When calculating contractor rate percentiles, daily rates are never derived from quoted hourly rates or vice versa.

C
England > London
6 months to
19 Jan 2022
Same period 2021 Same period 2020
Rank 209 156 215
Rank change year-on-year -53 +59 +23
Contract jobs citing C 514 311 358
As % of all contract jobs advertised in London 1.37% 1.78% 1.20%
As % of the Programming Languages category 3.08% 3.66% 2.57%
Number of daily rates quoted 398 218 261
10th Percentile £403 £304 £375
25th Percentile £496 £425 £425
Median daily rate (50th Percentile) £600 £525 £525
Median % change year-on-year +14.29% - +5.00%
75th Percentile £688 £650 £600
90th Percentile £800 £800 £753
England median daily rate £550 £475 £450
% change year-on-year +15.79% +5.56% -0.33%
Number of hourly rates quoted 12 14 13
10th Percentile £24.67 £25.58 £28.20
25th Percentile £40.63 £28.63 £42.50
Median hourly rate £55.00 £48.00 £50.00
Median % change year-on-year +14.58% -4.00% +36.05%
75th Percentile £59.06 £68.13 £52.50
90th Percentile £63.38 £78.43 £62.50
England median hourly rate £50.50 £42.50 £45.50
% change year-on-year +18.82% -6.59% +7.06%

C is in the Programming Languages category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in London with a requirement for coding skills.

All Programming Languages
London
Contract vacancies with a requirement for coding skills 16,667 8,505 13,936
As % of all contract IT jobs advertised in London 44.41% 48.72% 46.70%
Number of daily rates quoted 12,766 6,295 10,486
10th Percentile £413 £350 £370
25th Percentile £495 £425 £431
Median daily rate (50th Percentile) £580 £525 £525
Median % change year-on-year +10.48% - -
75th Percentile £688 £625 £613
90th Percentile £775 £700 £694
England median daily rate £550 £485 £488
% change year-on-year +13.52% -0.62% +1.56%
Number of hourly rates quoted 109 54 97
10th Percentile £24.90 £21.48 £16.95
25th Percentile £35.00 £30.31 £25.25
Median hourly rate £52.50 £41.00 £45.50
Median % change year-on-year +28.05% -9.89% +24.08%
75th Percentile £64.38 £57.25 £52.50
90th Percentile £78.90 £70.28 £55.20
England median hourly rate £49.00 £42.50 £44.00
% change year-on-year +15.29% -3.41% +3.53%

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 19 January 2022.

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
Hourly Rate Histogram in London

Hourly rate distribution of jobs citing C in London over the 6 months to 19 January 2022.

Hourly rate histogram 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 19 January 2022. 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 -28 58 £525 - 48
West London -15 18 £518 +15.00% 29
East London -10 3 £475 +2.70% 25
South London -9 2 £600 +14.29% 5
C
England

For the 6 months to 19 January 2022, IT contractor jobs citing C also mentioned the following skills in order of popularity. The figures indicate the absolute number co-occurrences and as a proportion of all contract job ads across the London region with a requirement for C.

1 173 (33.66%) Agile Software Development
2 146 (28.40%) Finance
3 132 (25.68%) Social Skills
4 129 (25.10%) C++
5 127 (24.71%) Java
6 114 (22.18%) Python
7 101 (19.65%) Azure
8 85 (16.54%) SDLC
9 84 (16.34%) SQL
10 80 (15.56%) DevOps
11 77 (14.98%) Stakeholder Management
12 73 (14.20%) Degree
13 69 (13.42%) AWS
14 65 (12.65%) Security Cleared
14 65 (12.65%) Linux
15 58 (11.28%) Windows
16 54 (10.51%) Telecoms
16 54 (10.51%) Project Delivery
17 53 (10.31%) Analytical Skills
18 51 (9.92%) JavaScript
19 48 (9.34%) Oracle
19 48 (9.34%) Computer Science
20 47 (9.14%) Analytics
21 45 (8.75%) 5G
21 45 (8.75%) Microsoft
22 42 (8.17%) 2G
22 42 (8.17%) Problem-Solving
23 40 (7.78%) GSM
23 40 (7.78%) MVNO
24 39 (7.59%) GCP

C
Co-occurring IT Skills in London by Category

The follow tables expand on the table above by listing co-occurrences grouped by category. The same job type, locality and period is covered with up to 20 co-occurrences shown in each of the following categories:

Application Platforms
1 18 (3.50%) Apache Spark
2 16 (3.11%) SharePoint
3 11 (2.14%) Confluence
4 6 (1.17%) Apache
4 6 (1.17%) ArcGIS
4 6 (1.17%) IIS
4 6 (1.17%) OpenStack
5 4 (0.78%) CMS
5 4 (0.78%) Oracle SOA Suite
5 4 (0.78%) SAS
5 4 (0.78%) WebLogic
6 3 (0.58%) Elasticsearch
6 3 (0.58%) Tomcat
7 1 (0.19%) Apache Solr
7 1 (0.19%) Jupyter
7 1 (0.19%) MS Exchange
7 1 (0.19%) Oracle Coherence
7 1 (0.19%) Oracle Workflow
7 1 (0.19%) Sitecore CMS
Applications
1 21 (4.09%) Microsoft Excel
2 16 (3.11%) Microsoft Office
3 5 (0.97%) Photoshop
4 3 (0.58%) Microsoft PowerPoint
4 3 (0.58%) Microsoft Project
5 2 (0.39%) MS Visio
5 2 (0.39%) Notepad++
6 1 (0.19%) Chatbot
6 1 (0.19%) InVision
6 1 (0.19%) Sketch
6 1 (0.19%) Spreadsheet
6 1 (0.19%) Zeplin
Business Applications
1 24 (4.67%) ION MarketView
2 3 (0.58%) BASE24
2 3 (0.58%) Oracle ERP
2 3 (0.58%) Sentinel
3 2 (0.39%) SAP S/4HANA
4 1 (0.19%) Dynamics CRM
4 1 (0.19%) Dynamics NAV
4 1 (0.19%) Endur
4 1 (0.19%) IBM Planning Analytics
4 1 (0.19%) Infor M3
4 1 (0.19%) NetSuite
4 1 (0.19%) Oracle BPM
4 1 (0.19%) Salesforce.com CRM
4 1 (0.19%) SAP ERP
4 1 (0.19%) SAP MDG
4 1 (0.19%) SAP Oil and Gas
4 1 (0.19%) Sparx Enterprise Architect
Cloud Services
1 101 (19.65%) Azure
2 69 (13.42%) AWS
3 39 (7.59%) GCP
4 21 (4.09%) SaaS
4 21 (4.09%) Serverless
5 16 (3.11%) Microsoft 365
5 16 (3.11%) Power Platform
6 13 (2.53%) AWS CloudFormation
6 13 (2.53%) Cloud Computing
6 13 (2.53%) GitHub
7 11 (2.14%) PaaS
8 6 (1.17%) Azure Monitor
8 6 (1.17%) Yammer
9 5 (0.97%) IBM Cloud
10 4 (0.78%) Azure Functions
11 3 (0.58%) AWS Lambda
11 3 (0.58%) Azure Active Directory
11 3 (0.58%) Azure Event Grid
11 3 (0.58%) Azure Sentinel
12 2 (0.39%) OneDrive
Communications & Networking
1 45 (8.75%) 5G
2 42 (8.17%) 2G
3 40 (7.78%) GSM
3 40 (7.78%) MVNO
4 27 (5.25%) Packet Switching
5 23 (4.47%) Firewall
6 19 (3.70%) Network Security
7 17 (3.31%) Software-Defined Networking
8 11 (2.14%) DNS
9 10 (1.95%) Internet
10 9 (1.75%) Wireless
11 8 (1.56%) DMZ
12 7 (1.36%) TCP/IP
12 7 (1.36%) Unified Communications
12 7 (1.36%) WAN
13 6 (1.17%) DHCP
14 5 (0.97%) 4G
14 5 (0.97%) LAN
14 5 (0.97%) VPN
15 4 (0.78%) HTTP
Database & Business Intelligence
1 36 (7.00%) SQL Server
2 25 (4.86%) Relational Database
3 22 (4.28%) PostgreSQL
4 19 (3.70%) Hadoop
4 19 (3.70%) NoSQL
5 17 (3.31%) MySQL
6 16 (3.11%) Power BI
7 15 (2.92%) Oracle Database
8 10 (1.95%) Tableau
9 9 (1.75%) Data Warehouse
9 9 (1.75%) SQL Server Integration Services
10 8 (1.56%) Apache Cassandra
10 8 (1.56%) Big Data
10 8 (1.56%) RDBMS
10 8 (1.56%) SQL Server Reporting Services
11 6 (1.17%) GIS
11 6 (1.17%) Metadata
11 6 (1.17%) SQL Server Analysis Services
12 5 (0.97%) MongoDB
13 4 (0.78%) Electronic Patient Records
Development Applications
1 33 (6.42%) JIRA
2 29 (5.64%) Jenkins
3 25 (4.86%) Git (software)
4 11 (2.14%) GitLab
5 8 (1.56%) Burp Suite
5 8 (1.56%) JMeter
5 8 (1.56%) LoadRunner
5 8 (1.56%) TeamCity
6 7 (1.36%) GDB
6 7 (1.36%) Subversion
6 7 (1.36%) Xcode
7 6 (1.17%) Eclipse
7 6 (1.17%) Gatling
8 5 (0.97%) Atlassian Bamboo
8 5 (0.97%) Postman
9 4 (0.78%) Android Studio
9 4 (0.78%) IBM UrbanCode
9 4 (0.78%) IDA Disassembler
9 4 (0.78%) Maven
9 4 (0.78%) ProC
General
1 146 (28.40%) Finance
2 132 (25.68%) Social Skills
3 54 (10.51%) Telecoms
4 53 (10.31%) Analytical Skills
5 37 (7.20%) Banking
6 32 (6.23%) Presentation Skills
7 25 (4.86%) Public Sector
8 23 (4.47%) Legal
8 23 (4.47%) Retail
9 16 (3.11%) Marketing
10 12 (2.33%) Back Office
10 12 (2.33%) Billing
11 11 (2.14%) Influencing Skills
12 10 (1.95%) Front Office
13 8 (1.56%) Documentation Skills
14 7 (1.36%) Investment Banking
15 6 (1.17%) Automotive
15 6 (1.17%) Electronics
15 6 (1.17%) Law
15 6 (1.17%) Manufacturing
Job Titles
1 130 (25.29%) Developer
2 71 (13.81%) Architect
3 64 (12.45%) Analyst
4 39 (7.59%) Project Manager
5 36 (7.00%) Business Analyst
5 36 (7.00%) Java Developer
6 21 (4.09%) Algorithmic Trading Developer
6 21 (4.09%) Electronic Trading Developer
6 21 (4.09%) Electronic Trading Java Developer
6 21 (4.09%) Java Developer - Algorithmic Trading
6 21 (4.09%) Solutions Architect
7 19 (3.70%) Technical Manager
7 19 (3.70%) Technical Project Manager
8 18 (3.50%) Consultant
9 16 (3.11%) Infrastructure Architect
10 15 (2.92%) C# Developer
11 14 (2.72%) Python Engineer
11 14 (2.72%) Software Engineer
12 13 (2.53%) Python Developer
12 13 (2.53%) Security Architect
Libraries, Frameworks & Software Standards
1 28 (5.45%) .NET
2 27 (5.25%) JNI
3 26 (5.06%) React
4 19 (3.70%) CSS
5 18 (3.50%) REST
6 17 (3.31%) .NET Framework
7 16 (3.11%) Node.js
8 15 (2.92%) HTML
8 15 (2.92%) JSON
8 15 (2.92%) Web Services
9 14 (2.72%) XML
10 13 (2.53%) AngularJS
11 10 (1.95%) Kafka
11 10 (1.95%) WPF
12 9 (1.75%) ASP.NET
12 9 (1.75%) RESTful
13 8 (1.56%) NgRx
13 8 (1.56%) Redux
13 8 (1.56%) Twitter Bootstrap
14 7 (1.36%) jQuery
Miscellaneous
1 21 (4.09%) PMI
2 19 (3.70%) Cloud Native
2 19 (3.70%) Renewable Energy
3 15 (2.92%) Algorithms
3 15 (2.92%) Management Information System
4 13 (2.53%) Clustering
4 13 (2.53%) Public Cloud
4 13 (2.53%) User Experience
5 10 (1.95%) Self-Motivation
6 9 (1.75%) Mobile App
6 9 (1.75%) SystemC
7 8 (1.56%) NHS
8 7 (1.36%) Enterprise Software
8 7 (1.36%) Legacy Systems
8 7 (1.36%) Reinsurance
9 6 (1.17%) Data Centre
10 5 (0.97%) Data Protection Act
10 5 (0.97%) Embedded Systems
11 4 (0.78%) Social Media
11 4 (0.78%) Video\Live Streaming
Operating Systems
1 65 (12.65%) Linux
2 58 (11.28%) Windows
3 20 (3.89%) Unix
4 19 (3.70%) Red Hat Enterprise Linux
5 18 (3.50%) Windows Server
6 11 (2.14%) Apple iOS
6 11 (2.14%) Windows 10
7 9 (1.75%) Android
8 8 (1.56%) Solaris
8 8 (1.56%) Windows Server 2008
9 6 (1.17%) Ubuntu
9 6 (1.17%) Windows 7
10 5 (0.97%) Windows Server 2012
10 5 (0.97%) Windows Server 2016
10 5 (0.97%) Windows Server 2019
11 4 (0.78%) VMS
12 3 (0.58%) OpenVMS
12 3 (0.58%) OpenWrt
12 3 (0.58%) VxWorks
13 2 (0.39%) Debian
Processes & Methodologies
1 173 (33.66%) Agile Software Development
2 85 (16.54%) SDLC
3 80 (15.56%) DevOps
4 77 (14.98%) Stakeholder Management
5 54 (10.51%) Project Delivery
6 48 (9.34%) Computer Science
7 47 (9.14%) Analytics
8 42 (8.17%) Problem-Solving
9 38 (7.39%) Project Management
9 38 (7.39%) Requirements Gathering
9 38 (7.39%) Risk Management
10 36 (7.00%) ITIL
11 34 (6.61%) Change Management
11 34 (6.61%) Migration
11 34 (6.61%) Multithreading
12 32 (6.23%) Software Engineering
13 30 (5.84%) Microservices
14 29 (5.64%) Business Intelligence
14 29 (5.64%) Information Security
14 29 (5.64%) Test Automation
Programming Languages
1 129 (25.10%) C++
2 127 (24.71%) Java
3 114 (22.18%) Python
4 84 (16.34%) SQL
5 51 (9.92%) JavaScript
6 33 (6.42%) C#
7 25 (4.86%) T-SQL
8 22 (4.28%) PowerShell
9 20 (3.89%) Bash
10 18 (3.50%) TypeScript
10 18 (3.50%) VB
11 16 (3.11%) Shell Script
12 13 (2.53%) Apple Swift
12 13 (2.53%) PL/SQL
13 12 (2.33%) Perl
14 11 (2.14%) VBA
15 10 (1.95%) Go
15 10 (1.95%) Ruby
15 10 (1.95%) VB.NET
16 9 (1.75%) Scala
Qualifications
1 73 (14.20%) Degree
2 65 (12.65%) Security Cleared
3 33 (6.42%) DV Cleared
4 31 (6.03%) SC Cleared
5 23 (4.47%) PMI Certification
6 16 (3.11%) Cisco Certification
7 13 (2.53%) CISSP
8 10 (1.95%) Computer Science Degree
9 9 (1.75%) VMware Certified Professional (VCP)
10 7 (1.36%) SANS
11 6 (1.17%) CCNA
11 6 (1.17%) CREST Certified
11 6 (1.17%) PMP
12 5 (0.97%) CEH
12 5 (0.97%) Microsoft Certification
13 4 (0.78%) CTC Cleared
13 4 (0.78%) Network+ Certification
14 3 (0.58%) (ISC)2 CCSP
14 3 (0.58%) CISA
14 3 (0.58%) PhD
Quality Assurance & Compliance
1 20 (3.89%) PMBOK
1 20 (3.89%) QA
2 18 (3.50%) GDPR
3 10 (1.95%) SLA
4 6 (1.17%) NCSC
5 4 (0.78%) PMO
6 3 (0.58%) ISO/IEC 27001
7 2 (0.39%) Accessibility
7 2 (0.39%) Data Quality
7 2 (0.39%) JTAG
7 2 (0.39%) NIST
8 1 (0.19%) FATCA
8 1 (0.19%) GRC
8 1 (0.19%) IEC 61508
System Software
1 34 (6.61%) Active Directory
2 29 (5.64%) VMware Infrastructure
3 26 (5.06%) VMware NSX
4 25 (4.86%) Docker
5 24 (4.67%) vSphere
6 13 (2.53%) Virtual Machines
7 11 (2.14%) Firmware
8 3 (0.58%) Microsoft App-V
8 3 (0.58%) NFS
9 2 (0.39%) Terminal Server
10 1 (0.19%) HDFS
10 1 (0.19%) Hyper-V
10 1 (0.19%) iptables
10 1 (0.19%) KVM
10 1 (0.19%) Oracle RAC
10 1 (0.19%) VirtualBox
10 1 (0.19%) VMware ESXi
10 1 (0.19%) Xen
Systems Management
1 35 (6.81%) Kubernetes
2 31 (6.03%) Terraform
3 21 (4.09%) Cisco CUCM
4 16 (3.11%) vRealize
4 16 (3.11%) vRealize Orchestrator
5 13 (2.53%) Microsoft Clustering
6 9 (1.75%) Single Sign-On
7 8 (1.56%) Active Directory Federation Services
7 8 (1.56%) Ansible
8 7 (1.36%) Microsoft Intune
9 5 (0.97%) VxRail
10 4 (0.78%) HP Quality Center
10 4 (0.78%) Nessus
11 3 (0.58%) Packer
11 3 (0.58%) SCCM
12 2 (0.39%) Oracle Identity Management
12 2 (0.39%) Oracle Identity Manager
12 2 (0.39%) vCenter Server
13 1 (0.19%) HP ALM
13 1 (0.19%) Istio
Vendors
1 48 (9.34%) Oracle
2 45 (8.75%) Microsoft
3 37 (7.20%) Cisco
3 37 (7.20%) VMware
4 24 (4.67%) ION Trading
5 20 (3.89%) Red Hat
6 16 (3.11%) CheckPoint
7 11 (2.14%) Splunk
8 10 (1.95%) Sybase
9 8 (1.56%) Google
9 8 (1.56%) IBM
10 7 (1.36%) ServiceNow
11 6 (1.17%) Citrix
11 6 (1.17%) Databricks
11 6 (1.17%) ESRI
11 6 (1.17%) Salesforce.com
11 6 (1.17%) SAP
11 6 (1.17%) SOASTA, Inc
12 5 (0.97%) ForeScout
12 5 (0.97%) Turbonomic