Period
to 22 June 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 22 June 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
22 Jun 2021
Same period 2020 Same period 2019
Rank 87 74 108
Rank change year-on-year -13 +34 +20
Contract jobs citing Computer Science 72 74 148
As % of all contract jobs advertised in the City of London 2.39% 2.65% 2.30%
As % of the Processes & Methodologies category 2.64% 3.04% 2.56%
Number of daily rates quoted 60 48 110
10th Percentile £351 £367 £374
25th Percentile £472 £413 £468
Median daily rate (50th Percentile) £556 £513 £573
Median % change year-on-year +8.54% -10.48% +15.42%
75th Percentile £632 £556 £675
90th Percentile £675 £688 £725
Central London median daily rate £563 £520 £550
% change year-on-year +8.17% -5.45% +10.00%
Number of hourly rates quoted 1 3 1
10th Percentile " £39.15 "
25th Percentile £31.00 £41.25 £32.50
Median hourly rate £32.00 £48.50 £35.00
Median % change year-on-year -34.02% +38.57% +154.55%
75th Percentile £33.00 £52.63 £37.50
90th Percentile " £52.85 "
Central London median hourly rate £32.00 £43.50 £52.50
% change year-on-year -26.44% -17.14% +281.82%

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 2,731 2,436 5,783
As % of all contract IT jobs advertised in the City of London 90.70% 87.31% 89.77%
Number of daily rates quoted 2,004 1,813 4,498
10th Percentile £358 £331 £356
25th Percentile £445 £413 £425
Median daily rate (50th Percentile) £550 £515 £525
Median % change year-on-year +6.80% -1.90% +2.44%
75th Percentile £638 £601 £600
90th Percentile £720 £675 £675
Central London median daily rate £550 £500 £525
% change year-on-year +10.00% -4.76% +5.00%
Number of hourly rates quoted 30 44 63
10th Percentile £8.00 £12.42 £11.25
25th Percentile £12.38 £14.28 £12.87
Median hourly rate £23.23 £24.50 £20.50
Median % change year-on-year -5.20% +19.51% +9.63%
75th Percentile £31.68 £40.36 £37.20
90th Percentile £42.33 £52.85 £44.80
Central London median hourly rate £22.00 £26.00 £20.82
% change year-on-year -15.38% +24.86% +8.17%

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 22 June 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

For the 6 months to 22 June 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 57 (79.17%) Degree
2 40 (55.56%) Computer Science Degree
3 27 (37.50%) Finance
4 24 (33.33%) Social Skills
5 22 (30.56%) Java
6 18 (25.00%) Azure
6 18 (25.00%) DevOps
7 17 (23.61%) SQL
8 16 (22.22%) Agile Software Development
9 15 (20.83%) C++
9 15 (20.83%) AWS
9 15 (20.83%) Electronic Trading
10 14 (19.44%) Python
10 14 (19.44%) Microsoft
11 13 (18.06%) Analytical Skills
11 13 (18.06%) Low Latency
12 11 (15.28%) Analytics
12 11 (15.28%) Hadoop
12 11 (15.28%) Front Office
12 11 (15.28%) Data Science
12 11 (15.28%) Problem-Solving
12 11 (15.28%) User Experience
13 10 (13.89%) Software Engineering
13 10 (13.89%) Data Modelling
13 10 (13.89%) Project Management
13 10 (13.89%) Machine Learning
13 10 (13.89%) Microservices
14 9 (12.50%) Apache Spark
14 9 (12.50%) CSS
14 9 (12.50%) HTML

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 9 (12.50%) Apache Spark
2 6 (8.33%) Apache
2 6 (8.33%) Apache Airflow
3 2 (2.78%) SAS
4 1 (1.39%) Appian
4 1 (1.39%) ArcGIS
4 1 (1.39%) CMS
4 1 (1.39%) Confluence
4 1 (1.39%) IIS
4 1 (1.39%) JBoss
4 1 (1.39%) Oracle SOA Suite
4 1 (1.39%) SharePoint
Applications
1 5 (6.94%) Microsoft Office
2 4 (5.56%) Microsoft Excel
2 4 (5.56%) Microsoft PowerPoint
2 4 (5.56%) MS Visio
Business Applications
1 2 (2.78%) Eikon
1 2 (2.78%) ION MarketView
1 2 (2.78%) Magento
Cloud Services
1 18 (25.00%) Azure
2 15 (20.83%) AWS
3 8 (11.11%) Power Platform
4 4 (5.56%) GCP
5 3 (4.17%) GitHub
5 3 (4.17%) SaaS
6 2 (2.78%) Azure Stack
6 2 (2.78%) PaaS
7 1 (1.39%) Amazon EC2
7 1 (1.39%) Amazon S3
7 1 (1.39%) Azure ExpressRoute
7 1 (1.39%) IaaS
7 1 (1.39%) Microsoft 365
Communications & Networking
1 2 (2.78%) Wireshark
2 1 (1.39%) FIX Connectivity
2 1 (1.39%) HTTP
2 1 (1.39%) TCP/IP
Database & Business Intelligence
1 11 (15.28%) Hadoop
2 8 (11.11%) Power BI
3 7 (9.72%) Apache Hive
3 7 (9.72%) Data Warehouse
4 6 (8.33%) Data Lake
4 6 (8.33%) DB2
4 6 (8.33%) Impala
4 6 (8.33%) Presto
5 5 (6.94%) Tableau
6 4 (5.56%) SQL Server
7 3 (4.17%) Big Data
7 3 (4.17%) Data Mining
7 3 (4.17%) MySQL
8 2 (2.78%) Apache Cassandra
8 2 (2.78%) PostgreSQL
9 1 (1.39%) Amazon Redshift
9 1 (1.39%) GIS
9 1 (1.39%) QGIS
9 1 (1.39%) Spark SQL
Development Applications
1 5 (6.94%) Git (software)
1 5 (6.94%) JIRA
2 4 (5.56%) Jenkins
2 4 (5.56%) TeamCity
3 2 (2.78%) IDA Disassembler
4 1 (1.39%) Eclipse
4 1 (1.39%) Gradle
4 1 (1.39%) IntelliJ
4 1 (1.39%) Maven
4 1 (1.39%) Zephyr
General
1 27 (37.50%) Finance
2 24 (33.33%) Social Skills
3 13 (18.06%) Analytical Skills
4 11 (15.28%) Front Office
5 6 (8.33%) Banking
6 4 (5.56%) Documentation Skills
7 3 (4.17%) Games
7 3 (4.17%) Multimedia
7 3 (4.17%) Presentation Skills
8 2 (2.78%) Arabic Language
8 2 (2.78%) Cantonese Language
8 2 (2.78%) Influencing Skills
8 2 (2.78%) Korean Language
8 2 (2.78%) Mandarin Language
8 2 (2.78%) Marketing
8 2 (2.78%) Military
8 2 (2.78%) Retail
8 2 (2.78%) Russian Language
9 1 (1.39%) Financial Institution
9 1 (1.39%) Investment Banking
Job Titles
1 26 (36.11%) Developer
2 17 (23.61%) Analyst
3 8 (11.11%) Java Developer
4 7 (9.72%) C++ Developer
4 7 (9.72%) Data Engineer
4 7 (9.72%) Low Latency C++ Developer
5 6 (8.33%) Business Systems Analyst
5 6 (8.33%) SQL Analyst
5 6 (8.33%) Systems Analyst
6 5 (6.94%) Electronic Trading Developer
6 5 (6.94%) Electronic Trading Java Developer
7 4 (5.56%) Business Analyst
7 4 (5.56%) Data Scientist
7 4 (5.56%) Insurance Business Analyst
8 3 (4.17%) Technical Writer
9 2 (2.78%) Analyst Developer
9 2 (2.78%) Junior Developer
9 2 (2.78%) Product Manager
9 2 (2.78%) Python Developer
9 2 (2.78%) Senior Analyst
Libraries, Frameworks & Software Standards
1 9 (12.50%) CSS
1 9 (12.50%) HTML
2 7 (9.72%) Kafka
2 7 (9.72%) React
3 6 (8.33%) Redux
4 4 (5.56%) RESTful
4 4 (5.56%) Spring
5 3 (4.17%) .NET
6 2 (2.78%) .NET Core
6 2 (2.78%) Material-UI
6 2 (2.78%) Middleware
6 2 (2.78%) React Native
6 2 (2.78%) TensorFlow
7 1 (1.39%) Ajax
7 1 (1.39%) J2EE
7 1 (1.39%) Polymer
7 1 (1.39%) Ruby on Rails
7 1 (1.39%) Spring Boot
7 1 (1.39%) Struts
7 1 (1.39%) Web Services
Miscellaneous
1 11 (15.28%) User Experience
2 8 (11.11%) Algorithms
2 8 (11.11%) Management Information System
3 6 (8.33%) iSeries
4 4 (5.56%) Equities
4 4 (5.56%) Fixed Income
5 3 (4.17%) Derivative
6 2 (2.78%) Cyber Kill Chain
6 2 (2.78%) Cyberthreat
6 2 (2.78%) EPoS
6 2 (2.78%) Foreign Exchange (FX)
6 2 (2.78%) Market Risk
6 2 (2.78%) Social Media
6 2 (2.78%) Video Conferencing
6 2 (2.78%) Video\Live Streaming
6 2 (2.78%) Wiki
7 1 (1.39%) Greenfield Project
7 1 (1.39%) Self-Motivation
7 1 (1.39%) TWAP
7 1 (1.39%) Virtual Team
Operating Systems
1 8 (11.11%) Linux
2 3 (4.17%) Unix
3 2 (2.78%) Android
3 2 (2.78%) Windows
4 1 (1.39%) Windows 10
4 1 (1.39%) Windows Server
4 1 (1.39%) Windows Server 2012
4 1 (1.39%) Windows Server 2016
Processes & Methodologies
1 18 (25.00%) DevOps
2 16 (22.22%) Agile Software Development
3 15 (20.83%) Electronic Trading
4 13 (18.06%) Low Latency
5 11 (15.28%) Analytics
5 11 (15.28%) Data Science
5 11 (15.28%) Problem-Solving
6 10 (13.89%) Data Modelling
6 10 (13.89%) Machine Learning
6 10 (13.89%) Microservices
6 10 (13.89%) Project Management
6 10 (13.89%) Software Engineering
7 9 (12.50%) Data Engineering
8 8 (11.11%) Business Analysis
8 8 (11.11%) Risk Management
8 8 (11.11%) Scrum
9 7 (9.72%) Multithreading
9 7 (9.72%) OO
9 7 (9.72%) Systems Analysis
10 6 (8.33%) Mathematics
Programming Languages
1 22 (30.56%) Java
2 17 (23.61%) SQL
3 15 (20.83%) C++
4 14 (19.44%) Python
5 8 (11.11%) Scala
6 7 (9.72%) JavaScript
7 4 (5.56%) Java 8
8 3 (4.17%) R
9 2 (2.78%) C
9 2 (2.78%) PHP
10 1 (1.39%) C#
10 1 (1.39%) Clojure
10 1 (1.39%) Go
10 1 (1.39%) Kotlin
10 1 (1.39%) PowerShell
10 1 (1.39%) Ruby
10 1 (1.39%) TypeScript
10 1 (1.39%) VBScript
Qualifications
1 57 (79.17%) Degree
2 40 (55.56%) Computer Science Degree
3 6 (8.33%) ITIL Certification
4 4 (5.56%) Numerate Degree
5 3 (4.17%) Master's Degree
6 2 (2.78%) GIAC
6 2 (2.78%) PhD
6 2 (2.78%) SANS
7 1 (1.39%) CISSP
7 1 (1.39%) ISTQB
7 1 (1.39%) SAFe Agilist
Quality Assurance & Compliance
1 5 (6.94%) QA
2 3 (4.17%) Accessibility
3 1 (1.39%) Basel III
3 1 (1.39%) PMO
3 1 (1.39%) SLA
System Software
1 2 (2.78%) Docker
1 2 (2.78%) Snort
2 1 (1.39%) Active Directory
2 1 (1.39%) BitLocker
2 1 (1.39%) HDFS
2 1 (1.39%) Microsoft App-V
2 1 (1.39%) Virtual Desktop
2 1 (1.39%) Virtual Machines
2 1 (1.39%) VMware Infrastructure
2 1 (1.39%) XenApp
2 1 (1.39%) XenDesktop
Systems Management
1 2 (2.78%) Kubernetes
2 1 (1.39%) SCCM
Vendors
1 14 (19.44%) Microsoft
2 6 (8.33%) Splunk
3 2 (2.78%) Bloomberg
3 2 (2.78%) Cadence
3 2 (2.78%) ION Trading
3 2 (2.78%) Oracle
3 2 (2.78%) Reuters
3 2 (2.78%) Solace
3 2 (2.78%) Tanium
4 1 (1.39%) Citrix
4 1 (1.39%) VMware