Period
to 30 September 2020

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 30 September 2020 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
30 Sep 2020
Same period 2019 Same period 2018
Rank 145 221 211
Rank change year-on-year +76 -10 +11
Contract jobs citing C 245 455 589
As % of all contract jobs advertised in London 1.82% 1.20% 1.30%
As % of the Programming Languages category 3.61% 2.52% 2.59%
Number of daily rates quoted 166 317 413
Median daily rate £525 £525 £535
Median daily rate % change year-on-year - -1.87% +7.00%
10th Percentile £300 £375 £400
90th Percentile £800 £763 £763
England median daily rate £500 £461 £475
% change year-on-year +8.40% -2.89% +5.56%
Number of hourly rates quoted 5 14 38
Median hourly rate £35.00 £48.75 £39.00
Median hourly rate % change year-on-year -28.21% +25.00% -2.50%
10th Percentile £20.20 £29.68 £18.70
90th Percentile £40.00 £52.50 £51.63
England median hourly rate £42.50 £46.67 £42.25
% change year-on-year -8.94% +10.46% -0.59%

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 6,787 18,062 22,715
As % of all contract IT jobs advertised in London 50.42% 47.47% 50.32%
Number of daily rates quoted 4,718 13,664 17,302
Median daily rate £525 £525 £525
10th Percentile £350 £363 £363
90th Percentile £738 £688 £675
England median daily rate £500 £485 £475
% change year-on-year +3.09% +2.11% +5.56%
Number of hourly rates quoted 71 114 140
Median hourly rate £35.00 £45.00 £39.50
Median hourly rate % change year-on-year -22.22% +13.92% +7.73%
10th Percentile £22.50 £20.92 £18.00
90th Percentile £50.39 £60.38 £63.02
Median hourly rate £35.00 £44.78 £42.27
% change year-on-year -21.84% +5.96% +5.66%

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 30 September 2020.

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 30 September 2020.

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 30 September 2020. 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 +106 31 £525 -4.55% 34
West London +8 7 £500 +9.59% 21
South London +39 2 £444 +1.43% 8
North London - 2 £563 - 5
East London +51 1 £475 -20.83% 11
C
England

For the 6 months to 30 September 2020, 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 80 (32.65%) Finance
2 76 (31.02%) Linux
3 71 (28.98%) Python
3 71 (28.98%) Agile Software Development
4 62 (25.31%) Security Cleared
5 59 (24.08%) Java
6 54 (22.04%) SC Cleared
7 53 (21.63%) Azure
8 50 (20.41%) C++
9 48 (19.59%) Oracle
10 44 (17.96%) Windows
11 42 (17.14%) Migration
12 39 (15.92%) Web Services
13 38 (15.51%) Shell Script
14 37 (15.10%) AWS
15 34 (13.88%) DNS
16 32 (13.06%) Unix
17 29 (11.84%) JavaScript
17 29 (11.84%) Firewall
17 29 (11.84%) SaaS
18 28 (11.43%) PaaS
18 28 (11.43%) Fixed Income
18 28 (11.43%) GCP
19 27 (11.02%) DevOps
19 27 (11.02%) Scrum
19 27 (11.02%) DV Cleared
20 26 (10.61%) Asset Management
21 25 (10.20%) LAN
21 25 (10.20%) VPN
21 25 (10.20%) Google

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 17 (6.94%) Oracle SOA Suite
2 16 (6.53%) WebLogic
3 6 (2.45%) Apache
3 6 (2.45%) CMS
4 5 (2.04%) ArcGIS
5 3 (1.22%) Exchange Server 2010
5 3 (1.22%) Exchange Server 2013
5 3 (1.22%) MS Exchange
5 3 (1.22%) Tomcat
6 2 (0.82%) Apache Airflow
6 2 (0.82%) Confluence
6 2 (0.82%) nginx
7 1 (0.41%) Apache Spark
7 1 (0.41%) SharePoint
7 1 (0.41%) Skype for Business
Applications
1 6 (2.45%) Microsoft Office
2 5 (2.04%) Photoshop
3 2 (0.82%) Microsoft Excel
4 1 (0.41%) Microsoft PowerPoint
4 1 (0.41%) Microsoft Project
Business Applications
1 5 (2.04%) ION MarketView
2 3 (1.22%) Oracle ERP
2 3 (1.22%) SAP S/4HANA
3 2 (0.82%) Dynamics CRM
4 1 (0.41%) Dynamics NAV
4 1 (0.41%) FINCAD Analytics
4 1 (0.41%) SAP Hybris
4 1 (0.41%) SAP SD
Cloud Services
1 53 (21.63%) Azure
2 37 (15.10%) AWS
3 29 (11.84%) SaaS
4 28 (11.43%) GCP
4 28 (11.43%) PaaS
5 8 (3.27%) IaaS
6 5 (2.04%) AWS CloudFormation
7 4 (1.63%) Office 365
8 3 (1.22%) Apigee
9 2 (0.82%) Amazon ECS
9 2 (0.82%) Amazon EKS
9 2 (0.82%) Cloud Computing
9 2 (0.82%) Dynamics 365
9 2 (0.82%) GitHub
9 2 (0.82%) Power Platform
9 2 (0.82%) Serverless
10 1 (0.41%) Amazon S3
10 1 (0.41%) Amazon SQS
10 1 (0.41%) Google Analytics
10 1 (0.41%) SAP Leonardo
Communications & Networking
1 34 (13.88%) DNS
2 29 (11.84%) Firewall
3 25 (10.20%) LAN
3 25 (10.20%) VPN
4 23 (9.39%) TCP/IP
5 22 (8.98%) DMZ
5 22 (8.98%) WAN
6 17 (6.94%) Network Security
7 16 (6.53%) Internet
8 13 (5.31%) OSPF
9 12 (4.90%) SNMP
9 12 (4.90%) TACACS
10 10 (4.08%) Wi-Fi
11 8 (3.27%) 5G
11 8 (3.27%) DHCP
11 8 (3.27%) HTTP
12 7 (2.86%) 2G
12 7 (2.86%) GSM
12 7 (2.86%) MVNO
12 7 (2.86%) Packet Switching
Database & Business Intelligence
1 15 (6.12%) Oracle ODI
2 9 (3.67%) SQL Server
3 5 (2.04%) Data Warehouse
4 4 (1.63%) NoSQL
4 4 (1.63%) PostgreSQL
5 3 (1.22%) Amazon Athena
5 3 (1.22%) Amazon Redshift
5 3 (1.22%) Data Lake
5 3 (1.22%) GIS
5 3 (1.22%) SAP BW
5 3 (1.22%) SAP HANA
6 2 (0.82%) Amazon DynamoDB
6 2 (0.82%) Big Data
6 2 (0.82%) Couchbase
6 2 (0.82%) Hadoop
6 2 (0.82%) KDB
6 2 (0.82%) MongoDB
6 2 (0.82%) MySQL
6 2 (0.82%) SQL Server 2008
7 1 (0.41%) Azure SQL Database
Development Applications
1 23 (9.39%) Git (software)
2 20 (8.16%) Jenkins
3 5 (2.04%) JIRA
4 3 (1.22%) CircleCI
4 3 (1.22%) ClearCase
4 3 (1.22%) JMeter
4 3 (1.22%) LoadRunner
4 3 (1.22%) Postman
5 2 (0.82%) Android Studio
5 2 (0.82%) Bitbucket
5 2 (0.82%) CA Gen
5 2 (0.82%) GDB
5 2 (0.82%) GNU Toolchain
5 2 (0.82%) GoCD
5 2 (0.82%) Grunt
5 2 (0.82%) gulp
5 2 (0.82%) Sonatype Nexus
5 2 (0.82%) Subversion
5 2 (0.82%) Vagrant
6 1 (0.41%) Mocha
General
1 80 (32.65%) Finance
2 16 (6.53%) Public Sector
2 16 (6.53%) Telecoms
3 13 (5.31%) Banking
4 8 (3.27%) Investment Banking
5 7 (2.86%) Front Office
6 6 (2.45%) Marketing
7 4 (1.63%) Electronics
7 4 (1.63%) Law
8 3 (1.22%) Retail
9 2 (0.82%) Billing
9 2 (0.82%) Games
9 2 (0.82%) Manufacturing
9 2 (0.82%) Multimedia
9 2 (0.82%) Retail Banking
10 1 (0.41%) Dutch Language
10 1 (0.41%) French Language
10 1 (0.41%) German Language
10 1 (0.41%) Hebrew Language
10 1 (0.41%) Mandarin Language
Job Titles
1 65 (26.53%) Developer
2 17 (6.94%) Architect
3 16 (6.53%) Analyst
3 16 (6.53%) Software Engineer
4 14 (5.71%) Consultant
4 14 (5.71%) Project Manager
4 14 (5.71%) Python Developer
5 12 (4.90%) Lead Developer
6 10 (4.08%) Business Analyst
6 10 (4.08%) Cloud Developer
6 10 (4.08%) Development Manager
6 10 (4.08%) Finance Manager
7 9 (3.67%) C Software Engineer
7 9 (3.67%) Cloud Architect
7 9 (3.67%) Embedded Engineer
8 8 (3.27%) Android Developer
8 8 (3.27%) C/C++ Software Engineer
8 8 (3.27%) C++ Software Engineer
8 8 (3.27%) Cloud Engineer
9 7 (2.86%) Python Engineer
Libraries, Frameworks & Software Standards
1 39 (15.92%) Web Services
2 20 (8.16%) Oracle Fusion
3 15 (6.12%) SAML
4 13 (5.31%) HTML
5 12 (4.90%) REST
6 10 (4.08%) CSS
7 9 (3.67%) Node.js
8 8 (3.27%) JSON
9 5 (2.04%) JNI
9 5 (2.04%) Middleware
10 4 (1.63%) SOAP
10 4 (1.63%) WebRTC
11 3 (1.22%) 802.1X
11 3 (1.22%) HTML5
11 3 (1.22%) JAX-RS
11 3 (1.22%) Natural Language Processing
11 3 (1.22%) POSIX
11 3 (1.22%) React
11 3 (1.22%) XML
11 3 (1.22%) XSLT
Miscellaneous
1 28 (11.43%) Fixed Income
2 24 (9.80%) Hedge funds
3 23 (9.39%) Derivative
3 23 (9.39%) Greenfield Project
4 21 (8.57%) Credit Derivative
5 9 (3.67%) Analytical Skills
6 8 (3.27%) Algorithms
6 8 (3.27%) Equities
6 8 (3.27%) PMI
7 6 (2.45%) User Experience
7 6 (2.45%) Virtual Team
8 5 (2.04%) Clustering
8 5 (2.04%) Data Centre
8 5 (2.04%) Foreign Exchange (FX)
8 5 (2.04%) Management Information System
8 5 (2.04%) Self-Motivation
8 5 (2.04%) STB
9 4 (1.63%) Device Driver
9 4 (1.63%) Tandem
9 4 (1.63%) Video Conferencing
Operating Systems
1 76 (31.02%) Linux
2 44 (17.96%) Windows
3 32 (13.06%) Unix
4 20 (8.16%) Windows Server
5 14 (5.71%) Windows 10
6 12 (4.90%) Windows Server 2008
7 11 (4.49%) Windows Server 2012
7 11 (4.49%) Windows Server 2016
8 8 (3.27%) Android
8 8 (3.27%) Embedded Linux
8 8 (3.27%) Mac OS
8 8 (3.27%) Windows 7
9 5 (2.04%) Windows Server 2019
10 3 (1.22%) Red Hat Enterprise Linux
11 2 (0.82%) AIX
11 2 (0.82%) Debian
11 2 (0.82%) Mac OS X
11 2 (0.82%) Ubuntu
12 1 (0.41%) Oracle Linux
Processes & Methodologies
1 71 (28.98%) Agile Software Development
2 42 (17.14%) Migration
3 27 (11.02%) DevOps
3 27 (11.02%) Scrum
4 26 (10.61%) Asset Management
5 23 (9.39%) Performance Management
6 22 (8.98%) Investment Management
7 21 (8.57%) Quantitative Analysis
8 20 (8.16%) Dashboard Development
8 20 (8.16%) Software Engineering
9 18 (7.35%) Project Delivery
9 18 (7.35%) SOA
10 16 (6.53%) Network Virtualisation
10 16 (6.53%) Stakeholder Management
11 15 (6.12%) Multi-Factor Authentication
11 15 (6.12%) Two-Factor Authentication
12 14 (5.71%) Problem-Solving
13 13 (5.31%) Continuous Integration
13 13 (5.31%) SDLC
14 12 (4.90%) Open Source
Programming Languages
1 71 (28.98%) Python
2 59 (24.08%) Java
3 50 (20.41%) C++
4 38 (15.51%) Shell Script
5 29 (11.84%) JavaScript
6 21 (8.57%) R
7 20 (8.16%) Bash Shell
8 14 (5.71%) Perl
8 14 (5.71%) SQL
9 7 (2.86%) C#
9 7 (2.86%) MATLAB
9 7 (2.86%) Ruby
9 7 (2.86%) VB
10 6 (2.45%) PowerShell
11 5 (2.04%) Embedded C
12 4 (1.63%) Go
12 4 (1.63%) Kotlin
13 3 (1.22%) C-shell
13 3 (1.22%) PL/SQL
14 2 (0.82%) Korn
Qualifications
1 62 (25.31%) Security Cleared
2 54 (22.04%) SC Cleared
3 27 (11.02%) DV Cleared
4 10 (4.08%) Cisco Certification
5 8 (3.27%) PMI Certification
6 5 (2.04%) Degree
6 5 (2.04%) Microsoft Certification
7 4 (1.63%) CCIE
8 3 (1.22%) CISSP
9 2 (0.82%) AWS Certification
9 2 (0.82%) CCNA
9 2 (0.82%) MCSE
9 2 (0.82%) NCDA
9 2 (0.82%) PhD
9 2 (0.82%) PMP
9 2 (0.82%) VMware Certified Professional (VCP)
10 1 (0.41%) BPSS Clearance
10 1 (0.41%) Computer Science Degree
10 1 (0.41%) DBS Check
10 1 (0.41%) Master's Degree
Quality Assurance & Compliance
1 13 (5.31%) QA
2 7 (2.86%) PMBOK
3 6 (2.45%) NCSC
4 3 (1.22%) Disclosure Scotland
5 2 (0.82%) NIST
5 2 (0.82%) PMO
5 2 (0.82%) WCAG
6 1 (0.41%) Cyber Essentials
6 1 (0.41%) ISO 8583
6 1 (0.41%) ISO/IEC 27001
6 1 (0.41%) NIST 800
6 1 (0.41%) SLA
System Software
1 20 (8.16%) Virtual Machines
2 11 (4.49%) Active Directory
3 10 (4.08%) VMware Infrastructure
4 8 (3.27%) Docker
5 4 (1.63%) VMware ESXi
6 3 (1.22%) NFS
6 3 (1.22%) Veritas Cluster Server
6 3 (1.22%) VMware NSX
6 3 (1.22%) XenApp
7 2 (0.82%) Citrix Hypervisor
7 2 (0.82%) Hyper-V
7 2 (0.82%) VirtualBox
7 2 (0.82%) vSphere
Systems Management
1 14 (5.71%) Ansible
2 13 (5.31%) Single Sign-On
3 12 (4.90%) Kubernetes
4 11 (4.49%) Opscode Chef
5 10 (4.08%) Puppet
6 8 (3.27%) Salt
7 6 (2.45%) Terraform
8 4 (1.63%) Cisco CUCM
9 3 (1.22%) Pacemaker
9 3 (1.22%) vMotion
10 2 (0.82%) MaaS360
10 2 (0.82%) Microsoft Clustering
10 2 (0.82%) Nessus
10 2 (0.82%) Packer
11 1 (0.41%) AirWatch
11 1 (0.41%) Backup Exec
11 1 (0.41%) Failover Clustering
11 1 (0.41%) Grafana
11 1 (0.41%) Microsoft Intune
11 1 (0.41%) Prometheus
Vendors
1 48 (19.59%) Oracle
2 25 (10.20%) Google
3 16 (6.53%) Microsoft
4 14 (5.71%) Cisco
5 13 (5.31%) VMware
6 9 (3.67%) SAP
7 7 (2.86%) SaltStack
8 6 (2.45%) IBM
9 5 (2.04%) ESRI
9 5 (2.04%) ION Trading
9 5 (2.04%) Lumension
9 5 (2.04%) Sophos
10 4 (1.63%) Citrix
10 4 (1.63%) HP
10 4 (1.63%) Polycom
10 4 (1.63%) Splunk
11 3 (1.22%) Bloomberg
11 3 (1.22%) NetApp
11 3 (1.22%) Northgate
11 3 (1.22%) Veritas