Period
to 25 September 2021

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 25 September 2021 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
25 Sep 2021
Same period 2020 Same period 2019
Rank 191 152 224
Rank change year-on-year -39 +72 -4
Contract jobs citing C 493 236 462
As % of all contract jobs advertised in London 1.46% 1.76% 1.20%
As % of the Programming Languages category 3.17% 3.48% 2.52%
Number of daily rates quoted 361 164 327
10th Percentile £413 £350 £370
25th Percentile £481 £438 £425
Median daily rate (50th Percentile) £600 £525 £525
Median % change year-on-year +14.29% - -1.87%
75th Percentile £675 £677 £625
90th Percentile £825 £800 £763
England median daily rate £540 £500 £455
% change year-on-year +8.10% +9.89% -4.21%
Number of hourly rates quoted 10 3 15
10th Percentile £13.85 £18.60 £25.25
25th Percentile £15.80 £21.00 £41.25
Median hourly rate £23.00 £25.00 £47.50
Median % change year-on-year -8.02% -47.37% +21.79%
75th Percentile £57.19 £32.50 £52.50
90th Percentile £64.28 £37.00 "
England median hourly rate £47.50 £42.50 £47.00
% change year-on-year +11.76% -9.57% +11.24%

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 15,529 6,773 18,324
As % of all contract IT jobs advertised in London 45.94% 50.54% 47.41%
Number of daily rates quoted 11,702 4,975 13,983
10th Percentile £400 £361 £363
25th Percentile £463 £425 £425
Median daily rate (50th Percentile) £550 £525 £525
Median % change year-on-year +4.76% - -
75th Percentile £667 £638 £613
90th Percentile £738 £738 £694
England median daily rate £525 £500 £480
% change year-on-year +5.00% +4.17% +1.05%
Number of hourly rates quoted 91 43 108
10th Percentile £20.99 £21.30 £16.50
25th Percentile £35.00 £24.25 £22.19
Median hourly rate £50.00 £37.00 £47.25
Median % change year-on-year +35.14% -21.69% +21.15%
75th Percentile £63.88 £47.54 £52.50
90th Percentile £70.00 £54.80 £58.25
England median hourly rate £45.00 £39.00 £45.00
% change year-on-year +15.38% -13.33% +7.14%

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 25 September 2021.

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 25 September 2021.

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 25 September 2021. 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
Job
Vacancies
Central London -41 47 £588 +11.90% 44
West London -5 17 £550 +10.00% 23
East London - 16 £480 - 10
South London 0 3 £586 +32.06% 13
North London +3 1 - - 4
C
England

For the 6 months to 25 September 2021, 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.

1 199 (40.37%) Agile Software Development
2 138 (27.99%) Java
3 124 (25.15%) Finance
4 119 (24.14%) C++
5 111 (22.52%) SDLC
6 108 (21.91%) Social Skills
7 104 (21.10%) Python
8 95 (19.27%) DevOps
9 94 (19.07%) Azure
10 92 (18.66%) Stakeholder Management
11 83 (16.84%) Project Delivery
12 82 (16.63%) SQL
13 79 (16.02%) AWS
14 76 (15.42%) Telecoms
15 71 (14.40%) Degree
16 65 (13.18%) Linux
17 64 (12.98%) 5G
18 62 (12.58%) MVNO
18 62 (12.58%) GSM
18 62 (12.58%) 2G
19 61 (12.37%) Security Cleared
20 57 (11.56%) JavaScript
21 56 (11.36%) Microsoft
22 52 (10.55%) Windows
22 52 (10.55%) Problem-Solving
23 48 (9.74%) Packet Switching
23 48 (9.74%) Jenkins
24 45 (9.13%) Scrum
24 45 (9.13%) Oracle
25 44 (8.92%) Computer Science

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 21 (4.26%) Confluence
2 20 (4.06%) SharePoint
3 13 (2.64%) Apache Spark
4 7 (1.42%) Oracle SOA Suite
4 7 (1.42%) Tomcat
5 6 (1.22%) Apache
5 6 (1.22%) ArcGIS
5 6 (1.22%) Mule
6 5 (1.01%) CMS
7 4 (0.81%) WebLogic
8 3 (0.61%) Elasticsearch
9 2 (0.41%) Apache Solr
9 2 (0.41%) Exchange Server 2010
9 2 (0.41%) IIS
9 2 (0.41%) MS Exchange
9 2 (0.41%) OpenStack
9 2 (0.41%) SAS
9 2 (0.41%) Skype for Business
10 1 (0.20%) Oracle Coherence
10 1 (0.20%) Sitecore CMS
Applications
1 16 (3.25%) Microsoft Excel
2 13 (2.64%) Microsoft Office
3 6 (1.22%) Photoshop
4 5 (1.01%) Microsoft PowerPoint
5 4 (0.81%) MS Visio
6 2 (0.41%) Spreadsheet
7 1 (0.20%) Microsoft Project
7 1 (0.20%) Simulink
7 1 (0.20%) SOLIDWORKS
Business Applications
1 25 (5.07%) ION MarketView
2 5 (1.01%) SAP Oil and Gas
3 3 (0.61%) BASE24
3 3 (0.61%) Oracle ERP
3 3 (0.61%) SAP Hybris
3 3 (0.61%) Sentinel
4 2 (0.41%) Payment Gateway
4 2 (0.41%) SAP CO
4 2 (0.41%) SAP FI
4 2 (0.41%) SAP FI/CO
4 2 (0.41%) SAP S/4HANA
5 1 (0.20%) Dynamics CRM
5 1 (0.20%) HealthRoster
5 1 (0.20%) Maximo
5 1 (0.20%) NetSuite
5 1 (0.20%) SAP Business One
5 1 (0.20%) Sparx Enterprise Architect
Cloud Services
1 94 (19.07%) Azure
2 79 (16.02%) AWS
3 32 (6.49%) GCP
4 27 (5.48%) Microsoft 365
5 22 (4.46%) Azure Active Directory
6 21 (4.26%) SaaS
7 20 (4.06%) PaaS
8 17 (3.45%) Power Platform
9 16 (3.25%) AWS CloudFormation
10 15 (3.04%) GitHub
11 12 (2.43%) Serverless
12 8 (1.62%) IaaS
13 6 (1.22%) Azure Cosmos DB
13 6 (1.22%) Cloud Computing
14 5 (1.01%) OneDrive
14 5 (1.01%) OpenShift
15 4 (0.81%) Adobe Creative Cloud
15 4 (0.81%) Azure Event Grid
15 4 (0.81%) Azure Functions
15 4 (0.81%) IBM Cloud
Communications & Networking
1 64 (12.98%) 5G
2 62 (12.58%) 2G
2 62 (12.58%) GSM
2 62 (12.58%) MVNO
3 48 (9.74%) Packet Switching
4 16 (3.25%) Unified Communications
5 15 (3.04%) Firewall
6 14 (2.84%) DNS
6 14 (2.84%) Wi-Fi
7 13 (2.64%) Internet
8 10 (2.03%) IPv4
8 10 (2.03%) Wireless
9 9 (1.83%) DHCP
10 8 (1.62%) LAN
10 8 (1.62%) VPN
11 7 (1.42%) WAN
12 6 (1.22%) Bluetooth
12 6 (1.22%) Software-Defined Networking
13 5 (1.01%) H.323
13 5 (1.01%) TCP/IP
Database & Business Intelligence
1 31 (6.29%) SQL Server
2 21 (4.26%) PostgreSQL
3 20 (4.06%) MySQL
3 20 (4.06%) NoSQL
4 18 (3.65%) Relational Database
5 17 (3.45%) Power BI
6 15 (3.04%) Big Data
7 14 (2.84%) Oracle Database
8 11 (2.23%) Apache Cassandra
8 11 (2.23%) Data Warehouse
8 11 (2.23%) Tableau
9 9 (1.83%) Hadoop
10 8 (1.62%) GIS
10 8 (1.62%) RDBMS
11 7 (1.42%) Data Lake
11 7 (1.42%) Oracle Database 12c
12 6 (1.22%) SAP HANA
13 5 (1.01%) Amazon RDS
13 5 (1.01%) SQL Server Integration Services
14 4 (0.81%) BusinessObjects Web Intelligence
Development Applications
1 48 (9.74%) Jenkins
2 38 (7.71%) JIRA
3 36 (7.30%) Git (software)
4 12 (2.43%) GitLab
5 11 (2.23%) Atlassian Bamboo
5 11 (2.23%) Cucumber
5 11 (2.23%) JMeter
5 11 (2.23%) Selenium
6 10 (2.03%) Maven
6 10 (2.03%) Subversion
7 9 (1.83%) LoadRunner
7 9 (1.83%) Xcode
8 7 (1.42%) CircleCI
8 7 (1.42%) Eclipse
8 7 (1.42%) fastlane
9 6 (1.22%) MSI
9 6 (1.22%) Postman
9 6 (1.22%) Team Foundation Server
10 5 (1.01%) Hudson
10 5 (1.01%) Visual Studio Team System
General
1 124 (25.15%) Finance
2 108 (21.91%) Social Skills
3 76 (15.42%) Telecoms
4 43 (8.72%) Analytical Skills
5 33 (6.69%) Banking
6 28 (5.68%) Presentation Skills
7 21 (4.26%) Public Sector
8 17 (3.45%) Legal
9 11 (2.23%) Automotive
10 10 (2.03%) Digital Economy
10 10 (2.03%) Investment Banking
11 9 (1.83%) Front Office
12 8 (1.62%) Influencing Skills
12 8 (1.62%) Retail
13 7 (1.42%) Billing
13 7 (1.42%) Law
13 7 (1.42%) Manufacturing
13 7 (1.42%) Marketing
14 6 (1.22%) Electronics
15 5 (1.01%) Back Office
Job Titles
1 131 (26.57%) Developer
2 74 (15.01%) Analyst
3 48 (9.74%) Business Analyst
4 45 (9.13%) Architect
5 43 (8.72%) Java Developer
6 37 (7.51%) Project Manager
7 26 (5.27%) Technical Manager
7 26 (5.27%) Technical Project Manager
8 25 (5.07%) Algorithmic Trading Developer
8 25 (5.07%) Java Developer - Algorithmic Trading
9 22 (4.46%) Electronic Trading Developer
9 22 (4.46%) Electronic Trading Java Developer
10 21 (4.26%) Senior Developer
11 18 (3.65%) Consultant
12 15 (3.04%) DevOps Engineer
12 15 (3.04%) Tester
13 14 (2.84%) Software Engineer
13 14 (2.84%) Solutions Architect
14 13 (2.64%) Python Developer
15 12 (2.43%) Full Stack Developer
Libraries, Frameworks & Software Standards
1 31 (6.29%) JNI
2 30 (6.09%) RESTful
3 27 (5.48%) Web Services
4 25 (5.07%) .NET
4 25 (5.07%) React
5 24 (4.87%) HTML
6 20 (4.06%) JSON
6 20 (4.06%) Spring
7 19 (3.85%) AngularJS
7 19 (3.85%) REST
7 19 (3.85%) XML
8 18 (3.65%) Node.js
9 17 (3.45%) CSS
10 16 (3.25%) Kafka
11 12 (2.43%) OAuth
12 11 (2.23%) .NET Framework
12 11 (2.23%) ASP.NET
12 11 (2.23%) Middleware
13 9 (1.83%) JDBC
13 9 (1.83%) SAML
Miscellaneous
1 27 (5.48%) PMI
2 21 (4.26%) User Experience
3 14 (2.84%) Cloud Native
4 13 (2.64%) Algorithms
5 12 (2.43%) Virtual Team
6 11 (2.23%) Management Information System
6 11 (2.23%) Self-Motivation
7 9 (1.83%) Data Centre
7 9 (1.83%) Embedded Systems
7 9 (1.83%) Public Cloud
8 8 (1.62%) Enterprise Software
8 8 (1.62%) Fixed Income
8 8 (1.62%) Renewable Energy
9 7 (1.42%) Greenfield Project
10 6 (1.22%) Data Protection Act
10 6 (1.22%) Mobile App
10 6 (1.22%) Online Banking
11 5 (1.01%) Clustering
11 5 (1.01%) Hybrid Cloud
11 5 (1.01%) Reinsurance
Operating Systems
1 65 (13.18%) Linux
2 52 (10.55%) Windows
3 28 (5.68%) Unix
4 25 (5.07%) Windows 10
5 21 (4.26%) Android
6 18 (3.65%) Apple iOS
7 14 (2.84%) Windows Server
8 13 (2.64%) Red Hat Enterprise Linux
9 10 (2.03%) Windows Server 2008
9 10 (2.03%) Windows Server 2012
9 10 (2.03%) Windows Server 2016
10 8 (1.62%) Windows 7
11 6 (1.22%) Embedded Linux
11 6 (1.22%) Windows Server 2019
12 5 (1.01%) Solaris
13 3 (0.61%) OpenWrt
14 2 (0.41%) AIX
14 2 (0.41%) Mac OS
15 1 (0.20%) HPUX
15 1 (0.20%) Robot Operating System
Processes & Methodologies
1 199 (40.37%) Agile Software Development
2 111 (22.52%) SDLC
3 95 (19.27%) DevOps
4 92 (18.66%) Stakeholder Management
5 83 (16.84%) Project Delivery
6 52 (10.55%) Problem-Solving
7 45 (9.13%) Scrum
8 44 (8.92%) Computer Science
8 44 (8.92%) Test Automation
9 43 (8.72%) Analytics
10 41 (8.32%) Requirements Gathering
11 34 (6.90%) Software Engineering
12 32 (6.49%) Microservices
12 32 (6.49%) Multithreading
13 31 (6.29%) Continuous Integration
13 31 (6.29%) ITIL
14 30 (6.09%) PRINCE2
15 28 (5.68%) Business Intelligence
15 28 (5.68%) Low Latency
16 26 (5.27%) Project Management
Programming Languages
1 138 (27.99%) Java
2 119 (24.14%) C++
3 104 (21.10%) Python
4 82 (16.63%) SQL
5 57 (11.56%) JavaScript
6 39 (7.91%) PowerShell
7 26 (5.27%) C#
8 18 (3.65%) Shell Script
9 16 (3.25%) Perl
10 15 (3.04%) Go
10 15 (3.04%) TypeScript
11 14 (2.84%) Bash Shell
12 13 (2.64%) Apple Swift
13 12 (2.43%) VB
14 11 (2.23%) Objective-C
14 11 (2.23%) Ruby
15 10 (2.03%) Kotlin
15 10 (2.03%) Scala
15 10 (2.03%) T-SQL
16 7 (1.42%) VB.NET
Qualifications
1 71 (14.40%) Degree
2 61 (12.37%) Security Cleared
3 32 (6.49%) DV Cleared
4 30 (6.09%) SC Cleared
5 27 (5.48%) PMI Certification
6 13 (2.64%) Cisco Certification
7 11 (2.23%) Microsoft Certification
8 5 (1.01%) Computer Science Degree
9 4 (0.81%) PMP
9 4 (0.81%) TOGAF Certification
10 3 (0.61%) CCNA
10 3 (0.61%) CCNP
10 3 (0.61%) CISSP
10 3 (0.61%) Master's Degree
10 3 (0.61%) MCSE
11 2 (0.41%) CompTIA Security+
11 2 (0.41%) MCP
11 2 (0.41%) MCSA
11 2 (0.41%) PhD
11 2 (0.41%) SANS
Quality Assurance & Compliance
1 25 (5.07%) PMBOK
2 24 (4.87%) GDPR
3 11 (2.23%) QA
4 5 (1.01%) SLA
5 4 (0.81%) Data Quality
5 4 (0.81%) PMO
6 2 (0.41%) Accessibility
6 2 (0.41%) HIPAA
6 2 (0.41%) JTAG
7 1 (0.20%) Actionable Recommendations
7 1 (0.20%) FISMA
7 1 (0.20%) GRC
7 1 (0.20%) NIST
System Software
1 42 (8.52%) Active Directory
2 33 (6.69%) Docker
3 21 (4.26%) VMware Infrastructure
4 15 (3.04%) Microsoft App-V
5 11 (2.23%) VMware NSX
6 5 (1.01%) iptables
6 5 (1.01%) vSphere
7 3 (0.61%) Firmware
7 3 (0.61%) HDFS
7 3 (0.61%) KVM
7 3 (0.61%) Virtual Machines
7 3 (0.61%) Xen
8 2 (0.41%) NFS
8 2 (0.41%) Terminal Server
8 2 (0.41%) Virtual Desktop
9 1 (0.20%) RACF
9 1 (0.20%) XenApp
Systems Management
1 35 (7.10%) Kubernetes
1 35 (7.10%) Terraform
2 27 (5.48%) Ansible
3 20 (4.06%) Microsoft Intune
3 20 (4.06%) SCCM
4 12 (2.43%) Cisco CUCM
5 10 (2.03%) Active Directory Federation Services
6 9 (1.83%) HP Quality Center
6 9 (1.83%) Single Sign-On
7 7 (1.42%) Puppet
8 5 (1.01%) Packer
8 5 (1.01%) vRealize
8 5 (1.01%) vRealize Orchestrator
9 4 (0.81%) Microsoft Clustering
9 4 (0.81%) Opscode Chef
10 3 (0.61%) Control-M
11 2 (0.41%) Ambari
11 2 (0.41%) Cisco UCCX
11 2 (0.41%) Istio
11 2 (0.41%) Sysdig
Vendors
1 56 (11.36%) Microsoft
2 45 (9.13%) Oracle
3 25 (5.07%) ION Trading
4 22 (4.46%) VMware
5 21 (4.26%) Cisco
6 19 (3.85%) SAP
7 17 (3.45%) HP
8 15 (3.04%) Ivanti
9 11 (2.23%) Red Hat
10 8 (1.62%) IBM
11 7 (1.42%) Databricks
11 7 (1.42%) Google
12 6 (1.22%) ESRI
12 6 (1.22%) hybris
12 6 (1.22%) Lumension
12 6 (1.22%) Sophos
13 5 (1.01%) Cadence
13 5 (1.01%) Green Hills
13 5 (1.01%) QNX
13 5 (1.01%) SOASTA, Inc