Period
to 17 November 2017

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 17 November 2017 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
17 Nov 2017
Same period 2016 Same period 2015
Rank 85 70 122
Rank change year-on-year -15 +52 +39
Contract jobs citing Open Source 216 223 178
As % of all contract IT jobs advertised in the City of London 3.03% 3.31% 1.91%
As % of the Processes & Methodologies category 3.43% 3.79% 2.28%
Number of daily rates quoted 195 179 162
City of London median daily rate £550 £500 £500
Median daily rate % change year-on-year +10.00% - +14.68%
10th Percentile £419 £369 £355
90th Percentile £675 £700 £675
Central London median daily rate £550 £500 £500
% change year-on-year +10.00% - +14.48%
Number of hourly rates quoted 0 1 0
City of London median hourly rate - £50.00 -
Central London median hourly rate - £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 6297 5887 7808
As % of all contract IT jobs advertised in the City of London 88.45% 87.51% 83.93%
Number of daily rates quoted 5003 4710 6215
City of London median daily rate £513 £475 £463
Median daily rate % change year-on-year +7.89% +2.70% +2.78%
10th Percentile £325 £313 £285
90th Percentile £688 £663 £650
Central London median daily rate £500 £475 £451
% change year-on-year +5.26% +5.44% +1.24%
Number of hourly rates quoted 59 55 76
City of London median hourly rate £20.00 £20.00 £20.50
Median hourly rate % change year-on-year - -2.44% +7.89%
10th Percentile £13.34 £12.15 £10.99
90th Percentile £30.90 £53.05 £40.00
Central London median hourly rate £20.25 £19.00 £20.00
% change year-on-year +6.58% -5.00% +11.14%

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 17 November 2017.

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 17 November 2017, IT contractor jobs citing Open Source also mentioned the following skills in order of popularity. The figures indicate the number co-occurrences and its proportion to all contract ads across the City of London region with a requirement for Open Source.

1 102 (47.22%) Java
2 73 (33.80%) Agile Software Development
3 70 (32.41%) DevOps
4 65 (30.09%) Python
5 60 (27.78%) Amazon AWS
6 56 (25.93%) Finance
7 55 (25.46%) JavaScript
8 52 (24.07%) Jenkins
9 46 (21.30%) Web Services
10 45 (20.83%) HTML
11 42 (19.44%) React
12 41 (18.98%) Linux
12 41 (18.98%) Docker
13 39 (18.06%) Big Data
14 38 (17.59%) Apache Spark
15 37 (17.13%) Git (software)
15 37 (17.13%) TDD
16 36 (16.67%) CSS
16 36 (16.67%) Node.js
17 35 (16.20%) Continuous Integration
18 34 (15.74%) PostgreSQL
19 33 (15.28%) Banking
20 32 (14.81%) Spring
21 31 (14.35%) Oracle
22 30 (13.89%) Hadoop
23 29 (13.43%) Apache Hive
23 29 (13.43%) HTML5
23 29 (13.43%) Ansible
23 29 (13.43%) Data Engineering
24 27 (12.50%) Kafka

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 38 (17.59%) Apache Spark
2 15 (6.94%) Apache
3 12 (5.56%) JBoss
4 7 (3.24%) Tomcat
5 6 (2.78%) Confluence
5 6 (2.78%) nginx
6 5 (2.31%) WordPress
7 4 (1.85%) Mule
8 3 (1.39%) CMS
8 3 (1.39%) Drupal
8 3 (1.39%) Elasticsearch
8 3 (1.39%) IIS
8 3 (1.39%) OpenStack
8 3 (1.39%) WebSphere
9 2 (0.93%) Adobe Experience Manager
9 2 (0.93%) Apache Solr
9 2 (0.93%) GemFire
9 2 (0.93%) Jetty
10 1 (0.46%) Cloud Foundry
10 1 (0.46%) SharePoint
Applications
1 2 (0.93%) Microsoft Excel
1 2 (0.93%) Microsoft Office
1 2 (0.93%) MS Visio
2 1 (0.46%) Chatbot
2 1 (0.46%) Microsoft PowerPoint
2 1 (0.46%) Microsoft Project
Business Applications
1 6 (2.78%) Salesforce.com CRM
2 1 (0.46%) Magento
2 1 (0.46%) Odoo
Cloud Services
1 60 (27.78%) Amazon AWS
2 22 (10.19%) GitHub
3 18 (8.33%) Bluemix
3 18 (8.33%) IBM Cloud
4 10 (4.63%) Microsoft Azure
5 6 (2.78%) AWS CloudFormation
6 5 (2.31%) Cloud Computing
6 5 (2.31%) PaaS
7 4 (1.85%) Amazon EC2
7 4 (1.85%) AWS Lambda
7 4 (1.85%) Force.com
7 4 (1.85%) Serverless
8 3 (1.39%) Amazon S3
8 3 (1.39%) Amazon SQS
9 2 (0.93%) Amazon CloudWatch
9 2 (0.93%) AWS CloudTrail
9 2 (0.93%) Google Cloud Platform
9 2 (0.93%) Route 53
9 2 (0.93%) SaaS
9 2 (0.93%) Virtual Private Cloud
Communications & Networking
1 11 (5.09%) Internet
2 8 (3.70%) HTTP
3 7 (3.24%) Intranet
3 7 (3.24%) TCP/IP
4 5 (2.31%) DNS
4 5 (2.31%) Firewall
5 3 (1.39%) SSL
6 2 (0.93%) DHCP
6 2 (0.93%) Fibre Channel
6 2 (0.93%) LAN
6 2 (0.93%) LDAP
6 2 (0.93%) NAS
6 2 (0.93%) Network Security
6 2 (0.93%) SAN
6 2 (0.93%) SMTP
6 2 (0.93%) snoop
6 2 (0.93%) tcpdump
6 2 (0.93%) WAN
6 2 (0.93%) Wireshark
6 2 (0.93%) ZigBee
Database & Business Intelligence
1 39 (18.06%) Big Data
2 34 (15.74%) PostgreSQL
3 30 (13.89%) Hadoop
4 29 (13.43%) Apache Hive
5 23 (10.65%) Relational Database
6 15 (6.94%) Oracle ODI
6 15 (6.94%) RDBMS
6 15 (6.94%) Sqoop
7 14 (6.48%) Data Warehouse
8 13 (6.02%) NoSQL
9 11 (5.09%) MySQL
10 10 (4.63%) Apache Cassandra
10 10 (4.63%) Oracle Database
11 7 (3.24%) MongoDB
12 4 (1.85%) CouchDB
13 3 (1.39%) Amazon RDS
14 2 (0.93%) Hazelcast
14 2 (0.93%) Impala
15 1 (0.46%) InfluxDB
15 1 (0.46%) Presto
Development Applications
1 52 (24.07%) Jenkins
2 37 (17.13%) Git (software)
3 19 (8.80%) JIRA
4 18 (8.33%) Maven
5 14 (6.48%) Subversion
6 13 (6.02%) Ant
7 10 (4.63%) TeamCity
8 9 (4.17%) Selenium
9 8 (3.70%) JUnit
10 6 (2.78%) gulp
10 6 (2.78%) Mockito
10 6 (2.78%) SoapUI
10 6 (2.78%) Vagrant
10 6 (2.78%) webpack
11 5 (2.31%) Cucumber
12 4 (1.85%) Artifactory
12 4 (1.85%) Bitbucket
12 4 (1.85%) Gradle
12 4 (1.85%) Mocha
13 3 (1.39%) jMock
General
1 56 (25.93%) Finance
2 33 (15.28%) Banking
3 12 (5.56%) Retail
4 4 (1.85%) Financial Institution
4 4 (1.85%) Marketing
5 3 (1.39%) Front Office
5 3 (1.39%) Investment Banking
5 3 (1.39%) Publishing
6 2 (0.93%) Advertising
7 1 (0.46%) Games
7 1 (0.46%) Telecoms
7 1 (0.46%) Wholesale Banking
Job Titles
1 85 (39.35%) Developer
2 33 (15.28%) Java Developer
3 23 (10.65%) DevOps Engineer
4 13 (6.02%) Development Manager
5 11 (5.09%) Senior Manager
6 10 (4.63%) Analyst
6 10 (4.63%) Architect
6 10 (4.63%) Full Stack Developer
6 10 (4.63%) J2EE Developer
6 10 (4.63%) Java/J2EE Developer
6 10 (4.63%) JavaScript Developer
7 8 (3.70%) Front End Developer (Client-Side Developer)
7 8 (3.70%) UI Developer
8 7 (3.24%) AWS DevOps
8 7 (3.24%) AWS Engineer
8 7 (3.24%) Integration Manager
8 7 (3.24%) Senior Developer
8 7 (3.24%) Senior Development Manager
8 7 (3.24%) Web Developer
9 6 (2.78%) Consultant
Libraries, Frameworks & Software Standards
1 46 (21.30%) Web Services
2 45 (20.83%) HTML
3 42 (19.44%) React
4 36 (16.67%) CSS
4 36 (16.67%) Node.js
5 32 (14.81%) Spring
6 29 (13.43%) HTML5
7 27 (12.50%) AngularJS
7 27 (12.50%) Kafka
8 26 (12.04%) REST
9 25 (11.57%) PySpark
9 25 (11.57%) RESTful
10 23 (10.65%) Redux
11 19 (8.80%) CSS3
12 17 (7.87%) J2EE
13 16 (7.41%) SOAP
14 14 (6.48%) Apache Camel
14 14 (6.48%) Middleware
15 13 (6.02%) jQuery
15 13 (6.02%) XML
Miscellaneous
1 26 (12.04%) User Experience
2 16 (7.41%) Enterprise Software
3 14 (6.48%) N-Tier
4 11 (5.09%) Computer Science
5 10 (4.63%) Analytical Skills
6 9 (4.17%) Mobile App
7 7 (3.24%) Data Structures
7 7 (3.24%) Foreign Exchange (FX)
7 7 (3.24%) RIA
8 6 (2.78%) Fintech
9 5 (2.31%) Derivative
9 5 (2.31%) Market Risk
10 4 (1.85%) Data Centre
11 3 (1.39%) Algorithms
11 3 (1.39%) Clustering
11 3 (1.39%) Greenfield Project
11 3 (1.39%) NHS
12 2 (0.93%) EMC VMAX
12 2 (0.93%) Linux Command Line
12 2 (0.93%) Video\Live Streaming
Operating Systems
1 41 (18.98%) Linux
2 19 (8.80%) Unix
3 16 (7.41%) Android
4 10 (4.63%) Apple iOS
5 6 (2.78%) Red Hat Enterprise Linux
5 6 (2.78%) Windows
6 2 (0.93%) CoreOS
6 2 (0.93%) Debian
6 2 (0.93%) Solaris
6 2 (0.93%) Ubuntu
7 1 (0.46%) CentOS
7 1 (0.46%) Windows Server
Processes & Methodologies
1 73 (33.80%) Agile Software Development
2 70 (32.41%) DevOps
3 37 (17.13%) TDD
4 35 (16.20%) Continuous Integration
5 29 (13.43%) Data Engineering
6 25 (11.57%) SOA
7 24 (11.11%) E-Commerce
7 24 (11.11%) Microservices
8 23 (10.65%) Configuration Management
9 22 (10.19%) OO
10 20 (9.26%) Test Automation
10 20 (9.26%) Web Development
11 17 (7.87%) High Availability
12 16 (7.41%) BDD
12 16 (7.41%) MapReduce
12 16 (7.41%) Scrum
12 16 (7.41%) Unit Testing
13 15 (6.94%) Software Engineering
14 14 (6.48%) Business Intelligence
14 14 (6.48%) MVC
Programming Languages
1 102 (47.22%) Java
2 65 (30.09%) Python
3 55 (25.46%) JavaScript
4 22 (10.19%) SQL
5 19 (8.80%) Ruby
5 19 (8.80%) Shell Script
6 17 (7.87%) Scala
7 13 (6.02%) Bash Shell
8 12 (5.56%) C#
8 12 (5.56%) PHP
9 11 (5.09%) ES6
10 10 (4.63%) PL/SQL
11 6 (2.78%) Apple Swift
11 6 (2.78%) Objective-C
12 5 (2.31%) C++
13 4 (1.85%) Apex Code
13 4 (1.85%) GraphQL
13 4 (1.85%) Perl
13 4 (1.85%) TypeScript
14 3 (1.39%) PowerShell
Qualifications
1 11 (5.09%) Degree
2 6 (2.78%) Security Cleared
3 5 (2.31%) ITIL Certification
4 4 (1.85%) Computer Science Degree
5 3 (1.39%) AWS Certification
5 3 (1.39%) RHCA
5 3 (1.39%) RHCE
6 2 (0.93%) BPSS Clearance
6 2 (0.93%) SC Cleared
7 1 (0.46%) CHECK Team Member
Quality Assurance & Compliance
1 10 (4.63%) QA
2 2 (0.93%) Data Quality
2 2 (0.93%) SLA
3 1 (0.46%) HL7
System Software
1 41 (18.98%) Docker
2 25 (11.57%) Apache Flume
3 24 (11.11%) HDFS
4 3 (1.39%) iptables
4 3 (1.39%) vCloud
5 2 (0.93%) Active Directory
5 2 (0.93%) Apache ZooKeeper
5 2 (0.93%) Firmware
5 2 (0.93%) VirtualBox
6 1 (0.46%) VMware Infrastructure
Systems Management
1 29 (13.43%) Ansible
2 26 (12.04%) Oozie
3 25 (11.57%) Kubernetes
4 24 (11.11%) Ambari
5 20 (9.26%) Puppet
6 14 (6.48%) Hadoop YARN
7 13 (6.02%) Opscode Chef
7 13 (6.02%) Terraform
8 11 (5.09%) MOM
9 4 (1.85%) Packer
9 4 (1.85%) Salt
10 3 (1.39%) Grafana
10 3 (1.39%) Kibana
10 3 (1.39%) logstash
10 3 (1.39%) Nagios
11 2 (0.93%) Backup Exec
11 2 (0.93%) HAProxy
11 2 (0.93%) Mesos
11 2 (0.93%) NetBackup
12 1 (0.46%) SELinux
Vendors
1 31 (14.35%) Oracle
2 26 (12.04%) IBM
3 16 (7.41%) Tableau
4 13 (6.02%) Salesforce.com
5 7 (3.24%) Red Hat
5 7 (3.24%) TIBCO
6 6 (2.78%) Splunk
7 5 (2.31%) Informatica
8 4 (1.85%) Microsoft
9 3 (1.39%) Atlassian
9 3 (1.39%) Google
9 3 (1.39%) ServiceNow
9 3 (1.39%) Sun
9 3 (1.39%) Zend
10 2 (0.93%) Adobe
10 2 (0.93%) Apiary
10 2 (0.93%) Cisco
10 2 (0.93%) EMC
10 2 (0.93%) HP
10 2 (0.93%) New Relic