Period
to 23 October 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 23 October 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
23 Oct 2018
Same period 2017 Same period 2016
Rank 88 79 73
Rank change year-on-year -9 -6 +35
Contract jobs citing Open Source 205 219 217
As % of all contract IT jobs advertised in the City of London 2.92% 3.16% 3.27%
As % of the Processes & Methodologies category 3.37% 3.54% 3.72%
Number of daily rates quoted 155 192 175
City of London median daily rate £525 £541 £500
Median daily rate % change year-on-year -3.00% +8.25% -
10th Percentile £363 £413 £369
90th Percentile £749 £675 £700
Central London median daily rate £525 £536 £488
% change year-on-year -2.10% +10.00% -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 6,081 6,183 5,826
As % of all contract IT jobs advertised in the City of London 86.53% 89.22% 87.91%
Number of daily rates quoted 4,836 4,882 4,670
City of London median daily rate £510 £500 £475
Median daily rate % change year-on-year +2.00% +5.26% +2.70%
10th Percentile £325 £325 £313
90th Percentile £675 £675 £660
Central London median daily rate £500 £500 £475
% change year-on-year - +5.26% +5.56%
Number of hourly rates quoted 97 55 53
City of London median hourly rate £18.70 £18.70 £20.00
Median hourly rate % change year-on-year - -6.50% -
10th Percentile £13.00 £13.31 £11.25
90th Percentile £29.85 £31.20 £54.03
Central London median hourly rate £18.70 £18.85 £19.00
% change year-on-year -0.80% -0.79% -4.32%

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 23 October 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

Open Source
Contract Job Locations in the City of London

The table below looks at the demand and provides a guide to the median contractor rates quoted in IT jobs citing Open Source within the City of London region over the 6 months to 23 October 2018. 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
Moorgate - 6 £525 -
London Bridge - 1 £550 -
Open Source
Central London

For the 6 months to 23 October 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.

1 125 (60.98%) Agile Software Development
2 90 (43.90%) Java
3 61 (29.76%) Jenkins
4 59 (28.78%) Python
5 55 (26.83%) Amazon AWS
6 52 (25.37%) Banking
7 48 (23.41%) JavaScript
8 47 (22.93%) Continuous Integration
8 47 (22.93%) DevOps
9 44 (21.46%) Docker
10 43 (20.98%) TDD
11 38 (18.54%) Linux
12 37 (18.05%) Test Automation
13 34 (16.59%) Git (software)
13 34 (16.59%) Finance
13 34 (16.59%) Scrum
14 33 (16.10%) NoSQL
14 33 (16.10%) Microservices
14 33 (16.10%) Kubernetes
15 31 (15.12%) Maven
15 31 (15.12%) Greenfield Project
16 30 (14.63%) Spring
16 30 (14.63%) Web Services
16 30 (14.63%) SQL
17 29 (14.15%) Continuous Delivery
18 27 (13.17%) AngularJS
18 27 (13.17%) Problem-Solving
19 26 (12.68%) Ansible
20 25 (12.20%) Node.js
21 24 (11.71%) BDD

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 24 (11.71%) Apache Spark
2 11 (5.37%) Elasticsearch
3 5 (2.44%) Apache
3 5 (2.44%) Confluence
4 4 (1.95%) Apache Solr
4 4 (1.95%) JBoss
5 3 (1.46%) CMS
5 3 (1.46%) Tomcat
6 2 (0.98%) Drupal
6 2 (0.98%) OpenStack
7 1 (0.49%) Apache Airflow
7 1 (0.49%) Apache Pig
7 1 (0.49%) Jetty
7 1 (0.49%) Luigi
7 1 (0.49%) nginx
7 1 (0.49%) SharePoint
Applications
1 2 (0.98%) Microsoft Excel
1 2 (0.98%) Snapchat
2 1 (0.49%) InVision
Business Applications
1 7 (3.41%) ION MarketView
Cloud Services
1 55 (26.83%) Amazon AWS
2 23 (11.22%) Microsoft Azure
3 10 (4.88%) GitHub
4 9 (4.39%) Amazon EC2
5 7 (3.41%) npm
6 5 (2.44%) Google Cloud Platform
6 5 (2.44%) Serverless
7 4 (1.95%) Amazon EMR
7 4 (1.95%) IaaS
8 3 (1.46%) Amazon S3
8 3 (1.46%) AWS Lambda
8 3 (1.46%) IBM Cloud
8 3 (1.46%) PaaS
8 3 (1.46%) SaaS
9 2 (0.98%) Amazon Glacier
9 2 (0.98%) NuGet
9 2 (0.98%) Virtual Private Cloud
10 1 (0.49%) AWS CloudFormation
10 1 (0.49%) Datadog
10 1 (0.49%) Office 365
Communications & Networking
1 7 (3.41%) HTTP
2 4 (1.95%) AMQP
2 4 (1.95%) Firewall
2 4 (1.95%) Internet
3 3 (1.46%) Junos
3 3 (1.46%) Kerberos
4 1 (0.49%) IPsec
4 1 (0.49%) LAN
4 1 (0.49%) Network Security
4 1 (0.49%) SCCP
4 1 (0.49%) VPN
Database & Business Intelligence
1 33 (16.10%) NoSQL
2 22 (10.73%) Relational Database
3 17 (8.29%) PostgreSQL
4 16 (7.80%) MySQL
5 14 (6.83%) Big Data
6 12 (5.85%) MongoDB
7 10 (4.88%) Apache Cassandra
7 10 (4.88%) Hadoop
8 9 (4.39%) Redis
8 9 (4.39%) SQL Server
9 8 (3.90%) Apache Hive
10 6 (2.93%) HBase
10 6 (2.93%) RDBMS
11 4 (1.95%) Flink
12 3 (1.46%) Amazon Redshift
12 3 (1.46%) Data Mining
12 3 (1.46%) Data Warehouse
12 3 (1.46%) Sqoop
13 2 (0.98%) Neo4j
13 2 (0.98%) Riak
Development Applications
1 61 (29.76%) Jenkins
2 34 (16.59%) Git (software)
3 31 (15.12%) Maven
4 17 (8.29%) Gradle
5 14 (6.83%) JUnit
6 9 (4.39%) Cucumber
7 8 (3.90%) Mockito
7 8 (3.90%) Selenium
8 7 (3.41%) GitLab
8 7 (3.41%) JIRA
8 7 (3.41%) jMock
8 7 (3.41%) Karma Test Runner
9 6 (2.93%) DbUnit
9 6 (2.93%) SonarQube
9 6 (2.93%) TestNG
9 6 (2.93%) Vagrant
10 5 (2.44%) Atlassian Bamboo
10 5 (2.44%) Protractor
10 5 (2.44%) Visual Studio
11 4 (1.95%) Gatling
General
1 52 (25.37%) Banking
2 34 (16.59%) Finance
3 20 (9.76%) Front Office
4 15 (7.32%) Investment Banking
5 6 (2.93%) Advertising
5 6 (2.93%) Back Office
6 5 (2.44%) Legal
6 5 (2.44%) Retail
7 4 (1.95%) Law
8 3 (1.46%) Marketing
9 2 (0.98%) Multimedia
9 2 (0.98%) Prime Brokerage
9 2 (0.98%) Retail Banking
10 1 (0.49%) Electronics
10 1 (0.49%) Games
10 1 (0.49%) Manufacturing
10 1 (0.49%) Publishing
10 1 (0.49%) Telecoms
Job Titles
1 102 (49.76%) Developer
2 42 (20.49%) Java Developer
3 20 (9.76%) DevOps Engineer
4 15 (7.32%) Architect
5 13 (6.34%) Front End Developer (Client-Side Developer)
6 12 (5.85%) Data Engineer
6 12 (5.85%) Front Office Developer
6 12 (5.85%) Java Engineer
6 12 (5.85%) Senior Developer
7 11 (5.37%) Analyst
8 10 (4.88%) Kubernetes Engineer
8 10 (4.88%) Python Developer
9 9 (4.39%) Android Engineer
9 9 (4.39%) Cloud Architect
9 9 (4.39%) ITIL Service Analyst
9 9 (4.39%) ITIL Service Desk Analyst
9 9 (4.39%) Service Analyst
9 9 (4.39%) Service Desk Analyst
10 7 (3.41%) React Developer
11 6 (2.93%) Big Data Engineer
Libraries, Frameworks & Software Standards
1 30 (14.63%) Spring
1 30 (14.63%) Web Services
2 27 (13.17%) AngularJS
3 25 (12.20%) Node.js
4 24 (11.71%) Kafka
4 24 (11.71%) RESTful
5 22 (10.73%) HTML
6 21 (10.24%) CSS
7 20 (9.76%) REST
8 19 (9.27%) .NET
9 14 (6.83%) SOAP
10 13 (6.34%) CSS3
10 13 (6.34%) Spring Boot
11 12 (5.85%) React
12 11 (5.37%) Android SDK
12 11 (5.37%) J2EE
12 11 (5.37%) RxJava
12 11 (5.37%) RxJS
13 10 (4.88%) Socket.IO
14 9 (4.39%) Retrofit
Miscellaneous
1 31 (15.12%) Greenfield Project
2 19 (9.27%) User Experience
3 15 (7.32%) Analytical Skills
4 14 (6.83%) Fixed Income
5 10 (4.88%) iPad
6 8 (3.90%) Computer Science
7 7 (3.41%) Algorithms
8 6 (2.93%) Foreign Exchange (FX)
8 6 (2.93%) N-Tier
9 5 (2.44%) Data Structures
9 5 (2.44%) Mobile App
10 4 (1.95%) Blog
10 4 (1.95%) Data Centre
10 4 (1.95%) Fintech
11 3 (1.46%) Cloud Native
11 3 (1.46%) Derivative
12 2 (0.98%) Enterprise Software
12 2 (0.98%) Photography
12 2 (0.98%) RIA
12 2 (0.98%) Taxonomies
Operating Systems
1 38 (18.54%) Linux
2 14 (6.83%) Android
3 13 (6.34%) Windows
4 10 (4.88%) Unix
5 9 (4.39%) Windows 7
5 9 (4.39%) Windows 8
6 4 (1.95%) CentOS
7 3 (1.46%) Red Hat Enterprise Linux
7 3 (1.46%) VMS
8 2 (0.98%) Apple iOS
8 2 (0.98%) Windows Server
9 1 (0.49%) Mac OS X
9 1 (0.49%) Ubuntu
Processes & Methodologies
1 125 (60.98%) Agile Software Development
2 47 (22.93%) Continuous Integration
2 47 (22.93%) DevOps
3 43 (20.98%) TDD
4 37 (18.05%) Test Automation
5 34 (16.59%) Scrum
6 33 (16.10%) Microservices
7 29 (14.15%) Continuous Delivery
8 27 (13.17%) Problem-Solving
9 24 (11.71%) BDD
10 22 (10.73%) E-Commerce
11 19 (9.27%) OO
11 19 (9.27%) Open Source Development
12 18 (8.78%) Electronic Trading
13 16 (7.80%) Front End Development
13 16 (7.80%) Low Latency
14 15 (7.32%) Software Engineering
15 14 (6.83%) Android Development
15 14 (6.83%) Migration
16 13 (6.34%) Analytics
Programming Languages
1 90 (43.90%) Java
2 59 (28.78%) Python
3 48 (23.41%) JavaScript
4 30 (14.63%) SQL
5 21 (10.24%) Scala
6 19 (9.27%) C#
7 17 (8.29%) Bash Shell
8 15 (7.32%) Java 8
8 15 (7.32%) Ruby
9 13 (6.34%) TypeScript
10 12 (5.85%) Groovy
11 11 (5.37%) Kotlin
11 11 (5.37%) R
12 7 (3.41%) PHP
13 6 (2.93%) C++
13 6 (2.93%) ES6
13 6 (2.93%) Go
13 6 (2.93%) PL/SQL
14 5 (2.44%) Shell Script
15 4 (1.95%) Perl
Qualifications
1 16 (7.80%) Security Cleared
2 10 (4.88%) Degree
2 10 (4.88%) SC Cleared
3 4 (1.95%) Computer Science Degree
4 3 (1.46%) ISTQB
4 3 (1.46%) ISTQB Advanced Certification
5 2 (0.98%) ITIL Certification
6 1 (0.49%) AWS Certification
6 1 (0.49%) CEH
6 1 (0.49%) CISSP
6 1 (0.49%) CompTIA Security+
6 1 (0.49%) DV Cleared
6 1 (0.49%) Master's Degree
6 1 (0.49%) PhD
6 1 (0.49%) PMP
Quality Assurance & Compliance
1 15 (7.32%) QA
2 3 (1.46%) Disclosure Scotland
2 3 (1.46%) GDPR
3 2 (0.98%) FedRAMP
4 1 (0.49%) Data Quality
4 1 (0.49%) ISO 20022
4 1 (0.49%) PCI DSS
System Software
1 44 (21.46%) Docker
2 17 (8.29%) VMware Infrastructure
3 9 (4.39%) Virtual Desktop
4 6 (2.93%) vSphere
5 3 (1.46%) Apache Flume
5 3 (1.46%) HDFS
5 3 (1.46%) VirtualBox
6 2 (0.98%) Virtual Servers
7 1 (0.49%) Active Directory
7 1 (0.49%) Apache ZooKeeper
7 1 (0.49%) etcd
7 1 (0.49%) Varnish
Systems Management
1 33 (16.10%) Kubernetes
2 26 (12.68%) Ansible
3 19 (9.27%) Opscode Chef
4 14 (6.83%) Puppet
5 13 (6.34%) Terraform
6 9 (4.39%) vCenter Server
7 3 (1.46%) Ambari
7 3 (1.46%) Docker Swarm
7 3 (1.46%) Hadoop YARN
7 3 (1.46%) Oozie
8 2 (0.98%) Prometheus
8 2 (0.98%) rkt
8 2 (0.98%) Suricata
9 1 (0.49%) Consul
9 1 (0.49%) Kibana
9 1 (0.49%) Nessus
9 1 (0.49%) OSSEC
Vendors
1 18 (8.78%) VMware
2 13 (6.34%) Microsoft
3 12 (5.85%) Oracle
4 9 (4.39%) Citrix
4 9 (4.39%) Wyse
5 8 (3.90%) Google
5 8 (3.90%) Red Hat
6 7 (3.41%) ION Trading
7 5 (2.44%) SAP
8 4 (1.95%) Salesforce.com
8 4 (1.95%) Talend
9 3 (1.46%) IBM
9 3 (1.46%) Juniper
9 3 (1.46%) Perfecto Mobile
9 3 (1.46%) Splunk
9 3 (1.46%) Tableau
10 2 (0.98%) Black Duck
10 2 (0.98%) Cisco
10 2 (0.98%) Sybase
10 2 (0.98%) TIBCO