Period
to 1 December 2021

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Computer Science skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Computer Science over the 6 months to 1 December 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.

Computer Science (Computing Science, Comp Sci)
Central London > City of London
6 months to
1 Dec 2021
Same period 2020 Same period 2019
Rank 71 72 97
Rank change year-on-year +1 +25 -3
Contract jobs citing Computer Science 125 48 141
As % of all contract jobs advertised in the City of London 3.10% 2.44% 2.49%
As % of the Processes & Methodologies category 3.40% 2.75% 2.76%
Number of daily rates quoted 90 27 116
10th Percentile £446 £375 £325
25th Percentile £513 £463 £412
Median daily rate (50th Percentile) £605 £500 £540
Median % change year-on-year +21.00% -7.41% +2.86%
75th Percentile £668 £613 £629
90th Percentile £703 £680 £725
Central London median daily rate £605 £500 £525
% change year-on-year +21.00% -4.76% -3.00%
Number of hourly rates quoted 6 3 1
10th Percentile £34.75 £35.35 "
25th Percentile £37.25 £35.88 £48.50
Median hourly rate £46.00 £37.50 £52.00
Median % change year-on-year +22.67% -27.88% +136.36%
75th Percentile £58.69 £38.75 £55.50
90th Percentile £61.88 £39.05 "
Central London median hourly rate £46.00 £37.50 £52.00
% change year-on-year +22.67% -27.88% +136.36%

Computer Science is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all contract job vacancies advertised in the City of London with a requirement for process or methodology skills.

All Process and Methodology Skills
City of London
Contract vacancies with a requirement for process or methodology skills 3,677 1,746 5,115
As % of all contract IT jobs advertised in the City of London 91.08% 88.81% 90.26%
Number of daily rates quoted 2,828 1,311 4,041
10th Percentile £369 £313 £325
25th Percentile £463 £413 £419
Median daily rate (50th Percentile) £550 £525 £523
Median % change year-on-year +4.76% +0.48% +2.45%
75th Percentile £650 £602 £613
90th Percentile £750 £688 £688
Central London median daily rate £550 £525 £513
% change year-on-year +4.76% +2.44% +2.50%
Number of hourly rates quoted 33 29 51
10th Percentile £18.40 £14.74 £12.00
25th Percentile £21.00 £22.00 £13.49
Median hourly rate £35.00 £27.00 £19.50
Median % change year-on-year +29.63% +38.46% +4.28%
75th Percentile £61.00 £39.25 £24.25
90th Percentile £67.35 £46.35 £51.25
Central London median hourly rate £35.00 £28.45 £20.92
% change year-on-year +23.04% +36.00% +11.84%

Computer Science
Job Vacancy Trend in the City of London

Job postings citing Computer Science as a proportion of all IT jobs advertised in the City of London.

Job vacancy trend for Computer Science in the City of London

Computer Science
Contractor Daily Rate Trend in the City of London

3-month moving average daily rate quoted in jobs citing Computer Science in the City of London.

Daily rate trend for Computer Science in the City of London

Computer Science
Daily Rate Histogram in the City of London

Daily rate distribution for jobs citing Computer Science in the City of London over the 6 months to 1 December 2021.

Daily rate histogram for Computer Science in the City of London

Computer Science
Contractor Hourly Rate Trend in the City of London

3-month moving average hourly rates quoted in jobs citing Computer Science in the City of London.

Hourly rate trend for Computer Science in the City of London

Computer Science
Hourly Rate Histogram in the City of London

Hourly rate distribution of jobs citing Computer Science in the City of London over the 6 months to 1 December 2021.

Hourly rate histogram for Computer Science in the City of London

For the 6 months to 1 December 2021, IT contractor jobs citing Computer Science 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 City of London region with a requirement for Computer Science.

1 97 (77.60%) Degree
2 51 (40.80%) Computer Science Degree
3 42 (33.60%) SQL
4 40 (32.00%) Python
5 39 (31.20%) Finance
5 39 (31.20%) Agile Software Development
6 36 (28.80%) Java
6 36 (28.80%) Analytics
7 33 (26.40%) Social Skills
8 30 (24.00%) Mathematics
9 27 (21.60%) Azure
10 26 (20.80%) Analytical Skills
11 22 (17.60%) JavaScript
12 20 (16.00%) Software Engineering
12 20 (16.00%) AWS
13 19 (15.20%) DevOps
14 18 (14.40%) Banking
14 18 (14.40%) HTML
14 18 (14.40%) CSS
14 18 (14.40%) Data Science
15 17 (13.60%) Algorithms
16 16 (12.80%) User Experience
16 16 (12.80%) Microsoft
17 15 (12.00%) Data Warehouse
17 15 (12.00%) C#
17 15 (12.00%) Statistics
17 15 (12.00%) Natural Language Processing
18 14 (11.20%) Artificial Intelligence
18 14 (11.20%) Business Intelligence
19 13 (10.40%) .NET

Computer Science
Co-occurring IT Skills in the City of 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 7 (5.60%) Apache Spark
2 4 (3.20%) Apache
2 4 (3.20%) IIS
3 3 (2.40%) Appian
3 3 (2.40%) JBoss
3 3 (2.40%) Oracle SOA Suite
4 1 (0.80%) ArcGIS
4 1 (0.80%) Cloud Foundry
4 1 (0.80%) Confluence
4 1 (0.80%) nginx
4 1 (0.80%) SharePoint
4 1 (0.80%) SharePoint Server
Applications
1 6 (4.80%) Microsoft Excel
2 1 (0.80%) Microsoft Office
2 1 (0.80%) Spreadsheet
Business Applications
1 2 (1.60%) SAP S/4HANA
Cloud Services
1 27 (21.60%) Azure
2 20 (16.00%) AWS
3 12 (9.60%) Power Platform
4 8 (6.40%) GitHub
5 6 (4.80%) Amazon S3
5 6 (4.80%) SaaS
6 5 (4.00%) PaaS
7 4 (3.20%) Amazon EMR
8 3 (2.40%) Cloud Computing
8 3 (2.40%) GCP
8 3 (2.40%) GitHub Actions
8 3 (2.40%) IaaS
8 3 (2.40%) Serverless
8 3 (2.40%) Virtual Private Cloud
9 2 (1.60%) Amazon EC2
9 2 (1.60%) Amazon ECS
9 2 (1.60%) AWS Fargate
9 2 (1.60%) Azure Service Bus
9 2 (1.60%) Azure Storage
9 2 (1.60%) Google Data Studio
Communications & Networking
1 2 (1.60%) Firewall
1 2 (1.60%) Internet
1 2 (1.60%) IPsec
1 2 (1.60%) SD-WAN
1 2 (1.60%) TCP/IP
1 2 (1.60%) VPN
2 1 (0.80%) 802.11
2 1 (0.80%) BGP
2 1 (0.80%) DNS
2 1 (0.80%) FIX Connectivity
2 1 (0.80%) HSRP
2 1 (0.80%) Network Security
2 1 (0.80%) OSPF
2 1 (0.80%) Radio Access Network
2 1 (0.80%) Software-Defined Networking
2 1 (0.80%) SSH
2 1 (0.80%) SSL
2 1 (0.80%) VXLAN
2 1 (0.80%) Wi-Fi
2 1 (0.80%) Wireless
Database & Business Intelligence
1 15 (12.00%) Data Warehouse
2 12 (9.60%) Power BI
3 11 (8.80%) SQL Server
4 9 (7.20%) Hadoop
4 9 (7.20%) Tableau
5 8 (6.40%) Big Data
5 8 (6.40%) DB2
5 8 (6.40%) MySQL
5 8 (6.40%) PostgreSQL
6 5 (4.00%) Apache Cassandra
6 5 (4.00%) NoSQL
7 3 (2.40%) Data Lake
7 3 (2.40%) Parquet
7 3 (2.40%) SQL Server Integration Services
8 2 (1.60%) Apache Hive
8 2 (1.60%) BigQuery
8 2 (1.60%) Delta Lake
8 2 (1.60%) Redis
8 2 (1.60%) SAP BW
8 2 (1.60%) SQL Server Analysis Services
Development Applications
1 9 (7.20%) JIRA
2 7 (5.60%) Git (software)
3 6 (4.80%) GitLab
3 6 (4.80%) Selenium
4 5 (4.00%) Octopus Deploy
4 5 (4.00%) SpecFlow
4 5 (4.00%) TeamCity
4 5 (4.00%) Zephyr
5 4 (3.20%) Jenkins
5 4 (3.20%) WebDriver
6 3 (2.40%) Appium
6 3 (2.40%) CircleCI
6 3 (2.40%) Maven
6 3 (2.40%) TestNG
6 3 (2.40%) Visual Studio
6 3 (2.40%) webpack
7 2 (1.60%) AutoIt
7 2 (1.60%) Team Foundation Server
7 2 (1.60%) TestComplete
8 1 (0.80%) Mocha
General
1 39 (31.20%) Finance
2 33 (26.40%) Social Skills
3 26 (20.80%) Analytical Skills
4 18 (14.40%) Banking
5 10 (8.00%) Investment Banking
6 7 (5.60%) Legal
7 5 (4.00%) Financial Institution
8 4 (3.20%) Front Office
8 4 (3.20%) Marketing
8 4 (3.20%) Presentation Skills
8 4 (3.20%) Retail
9 3 (2.40%) Public Sector
9 3 (2.40%) Publishing
10 2 (1.60%) Advertising
10 2 (1.60%) Automotive
10 2 (1.60%) Back Office
10 2 (1.60%) Law
11 1 (0.80%) Electronics
11 1 (0.80%) Manufacturing
11 1 (0.80%) Telecoms
Job Titles
1 48 (38.40%) Developer
2 20 (16.00%) Analyst
3 15 (12.00%) Senior Developer
4 12 (9.60%) Java Developer
5 10 (8.00%) Data Scientist
5 10 (8.00%) SQL Analyst
6 9 (7.20%) Business Analyst
7 8 (6.40%) Architect
7 8 (6.40%) React Developer
8 7 (5.60%) Senior Java Developer
9 6 (4.80%) Business Systems Analyst
9 6 (4.80%) Insurance Systems Analyst
9 6 (4.80%) Systems Analyst
10 5 (4.00%) Front End Developer (Client-Side Developer)
10 5 (4.00%) Python Developer
11 4 (3.20%) Data Engineer
11 4 (3.20%) DevOps Engineer
11 4 (3.20%) Senior Data Scientist
11 4 (3.20%) Software Engineer
12 3 (2.40%) .NET Developer
Libraries, Frameworks & Software Standards
1 18 (14.40%) CSS
1 18 (14.40%) HTML
2 13 (10.40%) .NET
3 10 (8.00%) React
4 8 (6.40%) Matplotlib
4 8 (6.40%) PyMC3
4 8 (6.40%) Web Services
5 7 (5.60%) Spring
5 7 (5.60%) XML
6 6 (4.80%) AngularJS
6 6 (4.80%) Node.js
7 5 (4.00%) JSON
7 5 (4.00%) React Native
7 5 (4.00%) REST
7 5 (4.00%) Vue.js
8 4 (3.20%) FIX Protocol
8 4 (3.20%) Redux
9 3 (2.40%) .NET Framework
9 3 (2.40%) Java EE
9 3 (2.40%) Vuex
Miscellaneous
1 17 (13.60%) Algorithms
2 16 (12.80%) User Experience
3 10 (8.00%) Management Information System
4 9 (7.20%) Hedge funds
5 7 (5.60%) Linux Command Line
6 6 (4.80%) Fixed Income
6 6 (4.80%) iSeries
6 6 (4.80%) Reinsurance
6 6 (4.80%) Social Media
7 4 (3.20%) Hybrid Cloud
8 3 (2.40%) Data Centre
8 3 (2.40%) Data Structures
8 3 (2.40%) Equities
9 2 (1.60%) Enterprise Software
9 2 (1.60%) EPoS
9 2 (1.60%) Market Risk
9 2 (1.60%) Public Cloud
9 2 (1.60%) Reference Data
10 1 (0.80%) Foreign Exchange (FX)
10 1 (0.80%) PMI
Operating Systems
1 12 (9.60%) Linux
2 9 (7.20%) Unix
3 8 (6.40%) Windows
4 5 (4.00%) Android
5 3 (2.40%) Apple iOS
5 3 (2.40%) Windows Server 2012
6 2 (1.60%) Windows Server 2008
7 1 (0.80%) Mac OS
7 1 (0.80%) Windows 10
7 1 (0.80%) Windows Server 2019
Processes & Methodologies
1 39 (31.20%) Agile Software Development
2 36 (28.80%) Analytics
3 30 (24.00%) Mathematics
4 20 (16.00%) Software Engineering
5 19 (15.20%) DevOps
6 18 (14.40%) Data Science
7 15 (12.00%) Natural Language Processing
7 15 (12.00%) Statistics
8 14 (11.20%) Artificial Intelligence
8 14 (11.20%) Business Intelligence
9 13 (10.40%) Data Cleansing
10 12 (9.60%) Problem-Solving
10 12 (9.60%) TDD
11 11 (8.80%) Business Analysis
12 10 (8.00%) Actionable Insight
12 10 (8.00%) Scrum
12 10 (8.00%) Test Automation
13 9 (7.20%) Bayesian Methods
13 9 (7.20%) Clean Code
13 9 (7.20%) SDLC
Programming Languages
1 42 (33.60%) SQL
2 40 (32.00%) Python
3 36 (28.80%) Java
4 22 (17.60%) JavaScript
5 15 (12.00%) C#
6 10 (8.00%) C++
7 8 (6.40%) PowerShell
7 8 (6.40%) TypeScript
8 6 (4.80%) Bash Shell
9 5 (4.00%) C
9 5 (4.00%) R
10 4 (3.20%) Go
10 4 (3.20%) VBA
11 3 (2.40%) ES6
11 3 (2.40%) Kotlin
11 3 (2.40%) Perl
11 3 (2.40%) T-SQL
11 3 (2.40%) VBScript
12 2 (1.60%) PHP
12 2 (1.60%) VB
Qualifications
1 97 (77.60%) Degree
2 51 (40.80%) Computer Science Degree
3 6 (4.80%) ITIL Certification
3 6 (4.80%) Numerate Degree
4 5 (4.00%) Master's Degree
5 4 (3.20%) ISTQB
5 4 (3.20%) ISTQB Foundation Certification
6 2 (1.60%) AWS Certification
6 2 (1.60%) ISTQB Advanced Certification
6 2 (1.60%) PhD
6 2 (1.60%) PMI Certification
6 2 (1.60%) PMP
7 1 (0.80%) ITIL Foundation Certificate
7 1 (0.80%) MBA
7 1 (0.80%) Microsoft Certification
Quality Assurance & Compliance
1 8 (6.40%) Accessibility
2 6 (4.80%) GDPR
3 3 (2.40%) QA
3 3 (2.40%) SLA
4 2 (1.60%) FRS 29
4 2 (1.60%) IFRS
4 2 (1.60%) IFRS 9
4 2 (1.60%) PCI DSS
5 1 (0.80%) Data Quality
5 1 (0.80%) GRC
5 1 (0.80%) PMO
5 1 (0.80%) SNOMED CT
System Software
1 11 (8.80%) Docker
2 6 (4.80%) Active Directory
3 1 (0.80%) HDFS
3 1 (0.80%) VMware ESXi
3 1 (0.80%) VMware Infrastructure
3 1 (0.80%) VMware NSX
Systems Management
1 11 (8.80%) Kubernetes
2 9 (7.20%) Terraform
3 2 (1.60%) Ansible
3 2 (1.60%) Opscode Chef
3 2 (1.60%) Puppet
4 1 (0.80%) Active Directory Federation Services
4 1 (0.80%) CA Service Virtualization
4 1 (0.80%) Grafana
4 1 (0.80%) Kibana
4 1 (0.80%) Nessus
4 1 (0.80%) RSA Archer
4 1 (0.80%) Single Sign-On
Vendors
1 16 (12.80%) Microsoft
2 8 (6.40%) Oracle
3 6 (4.80%) Guidewire
4 5 (4.00%) Google
5 3 (2.40%) Databricks
5 3 (2.40%) Salesforce.com
5 3 (2.40%) Splunk
5 3 (2.40%) Sybase
6 2 (1.60%) AppDynamics
6 2 (1.60%) Atlassian
6 2 (1.60%) Conga
6 2 (1.60%) CyberArk
6 2 (1.60%) IBM
6 2 (1.60%) Red Hat
6 2 (1.60%) SaltStack
6 2 (1.60%) SAP
7 1 (0.80%) Cadence
7 1 (0.80%) Infoblox
7 1 (0.80%) Qualys
7 1 (0.80%) VMware