Period
to 14 August 2018

The following table provides summary statistics for contract job vacancies advertised in the City of London with a requirement for Open Source skills. Included is a benchmarking guide to the contractor rates offered in vacancies that have cited Open Source over the 6 months to 14 August 2018 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.

Open Source
Central London > City of London
6 months to
14 Aug 2018
Same period 2017 Same period 2016
Rank 102 78 80
Rank change year-on-year -24 +2 +41
Contract jobs citing Open Source 173 213 194
As % of all contract IT jobs advertised in the City of London 2.48% 3.25% 2.86%
As % of the Processes & Methodologies category 2.84% 3.66% 3.25%
Number of daily rates quoted 137 181 154
City of London median daily rate £538 £525 £493
Median daily rate % change year-on-year +2.38% +6.60% -1.50%
10th Percentile £363 £413 £388
90th Percentile £725 £650 £680
Central London median daily rate £525 £525 £488
% change year-on-year - +7.69% -2.50%
Number of hourly rates quoted 0 0 1
City of London median hourly rate - - £50.00
Central London median hourly rate £35.00 - £50.00

Open Source 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 6,097 5,824 5,973
As % of all contract IT jobs advertised in the City of London 87.30% 88.82% 87.93%
Number of daily rates quoted 4,828 4,490 4,810
City of London median daily rate £511 £500 £475
Median daily rate % change year-on-year +2.10% +5.26% +5.56%
10th Percentile £331 £320 £313
90th Percentile £688 £675 £650
Central London median daily rate £500 £500 £470
% change year-on-year - +6.38% +4.44%
Number of hourly rates quoted 107 58 46
City of London median hourly rate £18.70 £20.52 £20.00
Median hourly rate % change year-on-year -8.87% +2.60% -4.76%
10th Percentile £13.31 £13.34 £11.25
90th Percentile £31.20 £30.98 £45.29
Central London median hourly rate £18.70 £18.70 £20.00
% change year-on-year - -6.50% -4.76%

Open Source
Job Vacancy Trend in the City of London

Job postings citing Open Source as a percentage of all IT jobs advertised in the City of London.

Job vacancy trend for Open Source in the City of London

Open Source
Contractor Daily Rate Trend in the City of London

This chart provides the 3-month moving average for daily rates quoted in contract jobs citing Open Source in the City of London.

Contractor daily rate trend for Open Source in the City of London

Open Source
Contractor Daily Rate Histogram in the City of London

The daily rate distribution of IT jobs citing Open Source in the City of London over the 6 months to 14 August 2018.

Contractor daily rate histogram for Open Source in the City of London

Open Source
Contractor Hourly Rate Trend in the City of London

This chart provides the 3-month moving average for contractor hourly rates quoted in IT jobs citing Open Source in the City of London.

Contractor hourly rate trend for Open Source in the City of London

For the 6 months to 14 August 2018, IT contractor jobs citing Open Source 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 Open Source.

1 92 (53.18%) Agile Software Development
2 69 (39.88%) Java
3 56 (32.37%) JavaScript
4 45 (26.01%) Banking
5 39 (22.54%) Linux
5 39 (22.54%) Amazon AWS
5 39 (22.54%) Node.js
6 38 (21.97%) TDD
7 35 (20.23%) HTML
8 34 (19.65%) DevOps
9 33 (19.08%) Python
9 33 (19.08%) Finance
10 32 (18.50%) Continuous Integration
10 32 (18.50%) Jenkins
11 31 (17.92%) NoSQL
11 31 (17.92%) CSS
12 30 (17.34%) AngularJS
12 30 (17.34%) Test Automation
13 29 (16.76%) SQL
14 27 (15.61%) Microservices
15 26 (15.03%) Git (software)
15 26 (15.03%) Problem-Solving
16 25 (14.45%) Spring
17 24 (13.87%) Microsoft Azure
18 22 (12.72%) Relational Database
18 22 (12.72%) .NET
19 21 (12.14%) Web Development
19 21 (12.14%) CSS3
19 21 (12.14%) Open Source Development
20 20 (11.56%) HTML5

Open Source
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 16 (9.25%) Apache Spark
2 8 (4.62%) JBoss
3 6 (3.47%) Elasticsearch
4 4 (2.31%) Confluence
4 4 (2.31%) Oracle SOA Suite
4 4 (2.31%) Tomcat
5 3 (1.73%) Apache Solr
6 2 (1.16%) Apache
6 2 (1.16%) Cloud Foundry
6 2 (1.16%) Jetty
6 2 (1.16%) nginx
6 2 (1.16%) OpenStack
6 2 (1.16%) WebSphere
6 2 (1.16%) WordPress
7 1 (0.58%) Apache Pig
7 1 (0.58%) Apache ServiceMix
7 1 (0.58%) Ethereum
7 1 (0.58%) SharePoint
7 1 (0.58%) WebLogic
Applications
1 2 (1.16%) Microsoft Excel
2 1 (0.58%) MS Visio
Business Applications
1 11 (6.36%) ION MarketView
2 1 (0.58%) Dynamics CRM
Cloud Services
1 39 (22.54%) Amazon AWS
2 24 (13.87%) Microsoft Azure
3 6 (3.47%) GitHub
3 6 (3.47%) npm
4 5 (2.89%) Google Cloud Platform
4 5 (2.89%) PaaS
5 4 (2.31%) Amazon EMR
5 4 (2.31%) IaaS
5 4 (2.31%) Serverless
6 3 (1.73%) Amazon S3
7 2 (1.16%) Amazon EC2
7 2 (1.16%) Amazon Glacier
7 2 (1.16%) Cloud Computing
7 2 (1.16%) IBM Cloud
7 2 (1.16%) NuGet
7 2 (1.16%) SaaS
7 2 (1.16%) Virtual Private Cloud
8 1 (0.58%) AWS CloudFormation
8 1 (0.58%) Datadog
8 1 (0.58%) Dynamics 365
Communications & Networking
1 10 (5.78%) HTTP
2 6 (3.47%) Firewall
3 4 (2.31%) AMQP
3 4 (2.31%) Internet
4 3 (1.73%) Kerberos
5 2 (1.16%) IPsec
5 2 (1.16%) Network Security
5 2 (1.16%) VPN
6 1 (0.58%) DNS
6 1 (0.58%) LAN
6 1 (0.58%) SCCP
6 1 (0.58%) SSL
6 1 (0.58%) TCP/IP
Database & Business Intelligence
1 31 (17.92%) NoSQL
2 22 (12.72%) Relational Database
3 20 (11.56%) MySQL
4 15 (8.67%) Big Data
5 13 (7.51%) PostgreSQL
6 11 (6.36%) SQL Server
7 9 (5.20%) Hadoop
7 9 (5.20%) MongoDB
8 7 (4.05%) Apache Cassandra
8 7 (4.05%) Redis
9 6 (3.47%) Apache Hive
9 6 (3.47%) RDBMS
10 4 (2.31%) SQL Server 2008
11 3 (1.73%) Amazon Redshift
11 3 (1.73%) HBase
12 2 (1.16%) Amazon Aurora
12 2 (1.16%) Cosmos DB
12 2 (1.16%) DB2
12 2 (1.16%) Riak
12 2 (1.16%) Sqoop
Development Applications
1 32 (18.50%) Jenkins
2 26 (15.03%) Git (software)
3 19 (10.98%) Maven
4 17 (9.83%) JUnit
5 11 (6.36%) Gradle
6 10 (5.78%) Selenium
6 10 (5.78%) webpack
7 8 (4.62%) Atlassian Bamboo
7 8 (4.62%) Xdebug
8 7 (4.05%) Cucumber
8 7 (4.05%) Karma Test Runner
8 7 (4.05%) TestNG
9 6 (3.47%) Ant
9 6 (3.47%) Visual Studio
10 5 (2.89%) Protractor
10 5 (2.89%) SoapUI
11 4 (2.31%) Artifactory
11 4 (2.31%) Mocha
11 4 (2.31%) Mockito
11 4 (2.31%) WebDriver
General
1 45 (26.01%) Banking
2 33 (19.08%) Finance
3 16 (9.25%) Investment Banking
4 15 (8.67%) Front Office
5 10 (5.78%) Back Office
6 9 (5.20%) Retail
7 7 (4.05%) Advertising
8 6 (3.47%) Marketing
9 4 (2.31%) Law
10 3 (1.73%) Electronics
10 3 (1.73%) Manufacturing
10 3 (1.73%) Telecoms
11 2 (1.16%) Legal
11 2 (1.16%) Prime Brokerage
12 1 (0.58%) Publishing
Job Titles
1 98 (56.65%) Developer
2 34 (19.65%) Java Developer
3 21 (12.14%) Architect
3 21 (12.14%) Front End Developer (Client-Side Developer)
4 17 (9.83%) Web Developer
5 14 (8.09%) Senior Developer
6 13 (7.51%) React Developer
7 10 (5.78%) DevOps Engineer
7 10 (5.78%) Front End Web Developer (Client-Side Developer)
7 10 (5.78%) PHP Developer
8 9 (5.20%) Android Engineer
8 9 (5.20%) Cloud Architect
8 9 (5.20%) Data Engineer
9 8 (4.62%) LAMP Developer
9 8 (4.62%) MySQL Developer
9 8 (4.62%) PHP LAMP Developer
9 8 (4.62%) PHP MySQL Developer
9 8 (4.62%) Python Developer
10 7 (4.05%) Java Web Developer
10 7 (4.05%) Java/J2EE Developer
Libraries, Frameworks & Software Standards
1 39 (22.54%) Node.js
2 35 (20.23%) HTML
3 31 (17.92%) CSS
4 30 (17.34%) AngularJS
5 25 (14.45%) Spring
6 22 (12.72%) .NET
7 21 (12.14%) CSS3
8 20 (11.56%) HTML5
8 20 (11.56%) Web Services
9 19 (10.98%) RESTful
10 18 (10.40%) React
10 18 (10.40%) REST
11 14 (8.09%) RxJS
11 14 (8.09%) Socket.IO
12 13 (7.51%) Kafka
12 13 (7.51%) SOAP
13 12 (6.94%) J2EE
14 11 (6.36%) D3.js
14 11 (6.36%) Hibernate
14 11 (6.36%) RxJava
Miscellaneous
1 19 (10.98%) Greenfield Project
2 13 (7.51%) User Experience
3 12 (6.94%) Analytical Skills
4 9 (5.20%) Fixed Income
5 8 (4.62%) Data Structures
5 8 (4.62%) Foreign Exchange (FX)
6 7 (4.05%) Computer Science
6 7 (4.05%) N-Tier
7 6 (3.47%) Algorithms
7 6 (3.47%) Mobile App
8 4 (2.31%) Fintech
9 3 (1.73%) Derivative
9 3 (1.73%) Enterprise Software
9 3 (1.73%) Linux Command Line
10 2 (1.16%) Blog
10 2 (1.16%) Cloud Native
10 2 (1.16%) Data Centre
10 2 (1.16%) Mobile Payment
10 2 (1.16%) Online Banking
10 2 (1.16%) OTC Derivatives
Operating Systems
1 39 (22.54%) Linux
2 12 (6.94%) Android
3 9 (5.20%) Windows
4 7 (4.05%) Unix
5 5 (2.89%) CentOS
6 3 (1.73%) Mac OS X
6 3 (1.73%) Red Hat Enterprise Linux
6 3 (1.73%) Windows 7
6 3 (1.73%) Windows 8
6 3 (1.73%) Windows Server
7 2 (1.16%) Apple iOS
7 2 (1.16%) VMS
8 1 (0.58%) DC/OS
8 1 (0.58%) Ubuntu
8 1 (0.58%) Windows Server 2008
Processes & Methodologies
1 92 (53.18%) Agile Software Development
2 38 (21.97%) TDD
3 34 (19.65%) DevOps
4 32 (18.50%) Continuous Integration
5 30 (17.34%) Test Automation
6 27 (15.61%) Microservices
7 26 (15.03%) Problem-Solving
8 21 (12.14%) Open Source Development
8 21 (12.14%) Web Development
9 19 (10.98%) OO
10 17 (9.83%) Continuous Delivery
11 16 (9.25%) MVC
11 16 (9.25%) Scrum
12 14 (8.09%) BDD
12 14 (8.09%) Electronic Trading
12 14 (8.09%) SOA
13 13 (7.51%) Deployment Automation
14 12 (6.94%) Analytics
14 12 (6.94%) Front End Development
14 12 (6.94%) SDLC
Programming Languages
1 69 (39.88%) Java
2 56 (32.37%) JavaScript
3 33 (19.08%) Python
4 29 (16.76%) SQL
5 17 (9.83%) Java 8
6 16 (9.25%) Bash Shell
6 16 (9.25%) TypeScript
7 15 (8.67%) C#
8 12 (6.94%) ES6
8 12 (6.94%) Kotlin
8 12 (6.94%) PHP
9 10 (5.78%) R
10 9 (5.20%) Ruby
11 7 (4.05%) PL/SQL
11 7 (4.05%) Scala
12 5 (2.89%) Shell Script
13 4 (2.31%) C++
13 4 (2.31%) Go
13 4 (2.31%) Groovy
13 4 (2.31%) VB.NET
Qualifications
1 17 (9.83%) Security Cleared
2 12 (6.94%) SC Cleared
3 10 (5.78%) Degree
4 4 (2.31%) Computer Science Degree
5 2 (1.16%) CEH
5 2 (1.16%) CISSP
5 2 (1.16%) CompTIA Security+
6 1 (0.58%) DV Cleared
6 1 (0.58%) Master's Degree
6 1 (0.58%) PMP
6 1 (0.58%) SANS
6 1 (0.58%) TOGAF Certification
Quality Assurance & Compliance
1 7 (4.05%) QA
2 5 (2.89%) GDPR
3 2 (1.16%) Disclosure Scotland
3 2 (1.16%) FedRAMP
3 2 (1.16%) GCP
3 2 (1.16%) PCI DSS
System Software
1 20 (11.56%) Docker
2 6 (3.47%) VMware Infrastructure
3 3 (1.73%) Virtual Desktop
4 2 (1.16%) Apache Flume
4 2 (1.16%) HDFS
4 2 (1.16%) Virtual Servers
5 1 (0.58%) Active Directory
5 1 (0.58%) Hyper-V
5 1 (0.58%) Virtual Machines
5 1 (0.58%) VirtualBox
Systems Management
1 15 (8.67%) Ansible
2 14 (8.09%) Kubernetes
2 14 (8.09%) Puppet
3 13 (7.51%) Opscode Chef
4 9 (5.20%) Terraform
5 4 (2.31%) Docker Swarm
6 3 (1.73%) vCenter Server
7 2 (1.16%) Ambari
7 2 (1.16%) Hadoop YARN
7 2 (1.16%) Kibana
7 2 (1.16%) Nessus
7 2 (1.16%) Oozie
7 2 (1.16%) OSSEC
8 1 (0.58%) HAProxy
8 1 (0.58%) Packer
8 1 (0.58%) rkt
8 1 (0.58%) Suricata
Vendors
1 13 (7.51%) Oracle
2 11 (6.36%) ION Trading
2 11 (6.36%) SAP
3 9 (5.20%) Google
4 8 (4.62%) Microsoft
4 8 (4.62%) Salesforce.com
5 7 (4.05%) Red Hat
5 7 (4.05%) VMware
6 5 (2.89%) Atlassian
7 4 (2.31%) Splunk
8 3 (1.73%) Citrix
8 3 (1.73%) IBM
8 3 (1.73%) TIBCO
8 3 (1.73%) Wyse
9 2 (1.16%) Black Duck
9 2 (1.16%) Cisco
9 2 (1.16%) Qualys
9 2 (1.16%) Sybase
9 2 (1.16%) Tableau
9 2 (1.16%) Talend