Period
to 24 February 2018

The following table provides summary statistics for contract job vacancies advertised in 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 24 February 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
England > London
6 months to
24 Feb 2018
Same period 2017 Same period 2016
Rank 83 83 101
Rank change year-on-year 0 +18 +24
Contract jobs citing Open Source 1,365 1,255 1,064
As % of all contract IT jobs advertised in London 2.93% 3.04% 2.39%
As % of the Processes & Methodologies category 3.38% 3.54% 2.81%
Number of daily rates quoted 1,053 914 832
London median daily rate £540 £525 £500
Median daily rate % change year-on-year +2.86% +5.00% +11.11%
10th Percentile £400 £375 £363
90th Percentile £675 £650 £675
England median daily rate £500 £488 £469
% change year-on-year +2.56% +4.06% +10.24%
Number of hourly rates quoted 11 15 0
London median hourly rate £35.00 £47.00 -
Median hourly rate % change year-on-year -25.53% - -
England median hourly rate £35.00 £45.00 £46.50
% change year-on-year -22.22% -3.23% +9.41%

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 London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Contract vacancies with a requirement for process or methodology skills 40,379 35,500 37,877
As % of all contract IT jobs advertised in London 86.67% 85.91% 85.05%
Number of daily rates quoted 29,459 25,532 27,141
London median daily rate £500 £475 £450
Median daily rate % change year-on-year +5.26% +5.56% -
10th Percentile £313 £313 £300
90th Percentile £675 £650 £644
England median daily rate £455 £438 £425
% change year-on-year +4.00% +2.94% +4.94%
Number of hourly rates quoted 470 402 459
London median hourly rate £22.75 £25.00 £19.50
Median hourly rate % change year-on-year -9.00% +28.24% +4.81%
10th Percentile £13.73 £12.25 £11.25
90th Percentile £53.75 £54.31 £50.20
England median hourly rate £24.30 £25.00 £23.50
% change year-on-year -2.82% +6.38% +16.05%

Open Source
Job Vacancy Trend in London

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

Job vacancy trend for Open Source in London

Open Source
Contractor Daily Rate Trend in London

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

Contractor daily rate trend for Open Source in London

Open Source
Contractor Daily Rate Histogram in London

The daily rate distribution of IT jobs citing Open Source in London over the 6 months to 24 February 2018.

Contractor daily rate histogram for Open Source in London

Open Source
Contractor Hourly Rate Trend in London

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

Contractor hourly rate trend for Open Source in London

Open Source
Contractor Hourly Rate Histogram in London

The hourly rate distribution of IT jobs citing Open Source in London over the 6 months to 24 February 2018.

Contractor hourly rate histogram for Open Source in London

Open Source
Contract Job Locations in 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 London region over the 6 months to 24 February 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
Central London -25 212 £550 +7.84% 106
West London -8 67 £525 +8.19% 51
South London -2 65 £575 +26.03% 4
East London +2 42 £588 +14.63% 22
North London +4 9 £475 -10.59% 3
Open Source
England

For the 6 months to 24 February 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 London region with a requirement for Open Source.

1 722 (52.89%) Agile Software Development
2 612 (44.84%) Java
3 537 (39.34%) DevOps
4 435 (31.87%) Python
5 421 (30.84%) Linux
6 420 (30.77%) Amazon AWS
7 317 (23.22%) Jenkins
8 314 (23.00%) TDD
9 294 (21.54%) Continuous Integration
10 282 (20.66%) Finance
11 274 (20.07%) Microservices
12 262 (19.19%) JavaScript
13 260 (19.05%) Docker
14 253 (18.53%) Git (software)
15 210 (15.38%) Puppet
16 208 (15.24%) Spring
16 208 (15.24%) Ansible
17 204 (14.95%) Scrum
18 202 (14.80%) Web Services
19 195 (14.29%) RESTful
20 193 (14.14%) Configuration Management
21 191 (13.99%) Opscode Chef
22 190 (13.92%) Banking
23 189 (13.85%) Ruby
24 184 (13.48%) SQL
25 182 (13.33%) HTML
26 178 (13.04%) Test Automation
26 178 (13.04%) Security Cleared
27 175 (12.82%) BDD
28 174 (12.75%) Continuous Delivery

Open Source
Co-occurring IT Skills in 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
1 116 (8.50%) Apache Spark
2 112 (8.21%) Elasticsearch
3 87 (6.37%) Confluence
4 69 (5.05%) Apache
5 60 (4.40%) Tomcat
6 51 (3.74%) nginx
7 40 (2.93%) OpenStack
8 37 (2.71%) JBoss
9 26 (1.90%) Cloud Foundry
10 21 (1.54%) Apache Pig
11 18 (1.32%) WebLogic
12 15 (1.10%) Jetty
12 15 (1.10%) WildFly
13 13 (0.95%) SAS
14 12 (0.88%) Apache Solr
15 11 (0.81%) WebSphere
16 10 (0.73%) WordPress
17 9 (0.66%) CMS
17 9 (0.66%) Drupal
18 8 (0.59%) IIS
Applications
1 9 (0.66%) Microsoft Excel
2 8 (0.59%) SPSS
3 7 (0.51%) Chatbot
4 5 (0.37%) HipChat
4 5 (0.37%) Spreadsheet
5 4 (0.29%) MS Visio
6 3 (0.22%) Microsoft Office
7 1 (0.073%) Microsoft PowerPoint
7 1 (0.073%) Microsoft Project
7 1 (0.073%) ProjectWise
Business Applications
1 10 (0.73%) Salesforce.com CRM
2 3 (0.22%) Magento
2 3 (0.22%) Summit
3 2 (0.15%) BusinessWorks
3 2 (0.15%) ION MarketView
3 2 (0.15%) MetaTrader
3 2 (0.15%) TIBCO BusinessEvents
4 1 (0.073%) Global One
4 1 (0.073%) Odoo
4 1 (0.073%) R3 Corda
4 1 (0.073%) Tesseract
Cloud Services
1 420 (30.77%) Amazon AWS
2 140 (10.26%) Microsoft Azure
3 66 (4.84%) PaaS
4 62 (4.54%) GitHub
5 46 (3.37%) Amazon EC2
6 44 (3.22%) AWS CloudFormation
7 38 (2.78%) SaaS
8 35 (2.56%) IaaS
9 32 (2.34%) npm
10 28 (2.05%) Serverless
11 23 (1.68%) Google Cloud Platform
12 22 (1.61%) Cloud Computing
13 20 (1.47%) Virtual Private Cloud
14 17 (1.25%) Amazon CloudWatch
14 17 (1.25%) AWS CloudTrail
14 17 (1.25%) AWS Lambda
15 16 (1.17%) Amazon Kinesis
15 16 (1.17%) Amazon S3
16 14 (1.03%) Bluemix
16 14 (1.03%) IBM Cloud
Communications & Networking
1 95 (6.96%) DNS
2 83 (6.08%) TCP/IP
3 62 (4.54%) Firewall
4 60 (4.40%) DHCP
5 59 (4.32%) HTTP
6 57 (4.18%) Internet
7 47 (3.44%) SSL
8 31 (2.27%) WAN
9 30 (2.20%) SAN
10 29 (2.12%) LAN
11 23 (1.68%) Network Security
12 22 (1.61%) FTP
13 20 (1.47%) IPsec
14 17 (1.25%) VPN
15 16 (1.17%) SMS
16 12 (0.88%) VoIP
17 11 (0.81%) MPLS
18 9 (0.66%) VLAN
18 9 (0.66%) Wireless
19 7 (0.51%) NAS
Database & Business Intelligence
1 162 (11.87%) Big Data
2 161 (11.79%) MongoDB
3 151 (11.06%) PostgreSQL
4 140 (10.26%) Hadoop
4 140 (10.26%) NoSQL
5 135 (9.89%) MySQL
6 118 (8.64%) Relational Database
7 75 (5.49%) Apache Cassandra
8 65 (4.76%) Apache Hive
9 61 (4.47%) RDBMS
10 60 (4.40%) SQL Server
11 50 (3.66%) Redis
12 48 (3.52%) Data Warehouse
13 32 (2.34%) Amazon Redshift
14 29 (2.12%) Neo4j
15 25 (1.83%) Data Mining
16 24 (1.76%) Amazon RDS
17 23 (1.68%) Amazon DynamoDB
17 23 (1.68%) HBase
18 17 (1.25%) Blockchain
Development Applications
1 317 (23.22%) Jenkins
2 253 (18.53%) Git (software)
3 104 (7.62%) JIRA
4 92 (6.74%) Cucumber
5 85 (6.23%) Selenium
6 77 (5.64%) Maven
7 72 (5.27%) JUnit
8 58 (4.25%) Subversion
9 54 (3.96%) TeamCity
10 46 (3.37%) Mockito
11 39 (2.86%) Travis CI
12 36 (2.64%) Artifactory
13 34 (2.49%) Octopus Deploy
14 33 (2.42%) webpack
15 32 (2.34%) Gradle
16 31 (2.27%) Atlassian Bamboo
16 31 (2.27%) gulp
17 29 (2.12%) WebDriver
18 28 (2.05%) IntelliJ
19 27 (1.98%) Bitbucket
General
1 282 (20.66%) Finance
2 190 (13.92%) Banking
3 53 (3.88%) Investment Banking
4 40 (2.93%) Retail
5 38 (2.78%) Marketing
6 34 (2.49%) Games
7 27 (1.98%) Front Office
8 21 (1.54%) Telecoms
9 16 (1.17%) Publishing
10 13 (0.95%) Electronics
10 13 (0.95%) Legal
10 13 (0.95%) Manufacturing
11 11 (0.81%) Law
12 10 (0.73%) Back Office
12 10 (0.73%) Retail Banking
13 9 (0.66%) Billing
14 8 (0.59%) Financial Institution
15 7 (0.51%) Advertising
16 6 (0.44%) Music Industry
17 3 (0.22%) French Language
Job Titles
1 489 (35.82%) Developer
2 213 (15.60%) Java Developer
3 208 (15.24%) DevOps Engineer
4 193 (14.14%) Architect
5 90 (6.59%) Senior Developer
6 83 (6.08%) AWS Engineer
7 74 (5.42%) AWS DevOps
8 66 (4.84%) AWS DevOps Engineer
9 62 (4.54%) Data Engineer
9 62 (4.54%) JavaScript Developer
10 58 (4.25%) Consultant
10 58 (4.25%) Linux Engineer
10 58 (4.25%) Senior Java Developer
11 52 (3.81%) Analyst
12 49 (3.59%) Agile Developer
12 49 (3.59%) Technical Architect
13 45 (3.30%) Big Data Engineer
14 44 (3.22%) Scala Developer
15 43 (3.15%) Cloud Engineer
16 42 (3.08%) Linux/Unix DevOps
Libraries, Frameworks & Software Standards
1 208 (15.24%) Spring
2 202 (14.80%) Web Services
3 195 (14.29%) RESTful
4 182 (13.33%) HTML
5 152 (11.14%) AngularJS
6 151 (11.06%) CSS
7 142 (10.40%) Node.js
8 139 (10.18%) REST
9 135 (9.89%) React
10 134 (9.82%) Kafka
11 102 (7.47%) Hibernate
12 99 (7.25%) HTML5
13 98 (7.18%) .NET
14 72 (5.27%) JSON
15 65 (4.76%) XML
16 63 (4.62%) SOAP
17 60 (4.40%) CSS3
18 57 (4.18%) Elastic Stack
18 57 (4.18%) JMS
19 54 (3.96%) Spring Boot
Miscellaneous
1 71 (5.20%) Greenfield Project
2 68 (4.98%) Analytical Skills
3 56 (4.10%) Fintech
4 54 (3.96%) User Experience
5 44 (3.22%) Mobile App
6 41 (3.00%) Algorithms
7 39 (2.86%) Computer Science
8 38 (2.78%) Data Centre
9 34 (2.49%) Foreign Exchange (FX)
10 31 (2.27%) Public Cloud
11 29 (2.12%) Management Information System
11 29 (2.12%) Online Banking
12 28 (2.05%) Clustering
13 24 (1.76%) Data Structures
13 24 (1.76%) Virtual Team
14 22 (1.61%) Fixed Income
15 21 (1.54%) Replication
16 19 (1.39%) Enterprise Software
17 16 (1.17%) N-Tier
18 15 (1.10%) Blog
Operating Systems
1 421 (30.84%) Linux
2 156 (11.43%) Unix
3 110 (8.06%) Windows
4 82 (6.01%) Red Hat Enterprise Linux
5 62 (4.54%) Windows Server
6 52 (3.81%) CentOS
7 38 (2.78%) Windows Server 2012
8 34 (2.49%) Windows Server 2003
9 33 (2.42%) Android
10 25 (1.83%) Mac OS X
11 24 (1.76%) Ubuntu
12 20 (1.47%) Apple iOS
13 12 (0.88%) CoreOS
14 11 (0.81%) AIX
15 10 (0.73%) Solaris
16 9 (0.66%) Debian
16 9 (0.66%) Mac OS
17 6 (0.44%) FreeBSD
18 3 (0.22%) VMS
19 2 (0.15%) Mesosphere
Processes & Methodologies
1 722 (52.89%) Agile Software Development
2 537 (39.34%) DevOps
3 314 (23.00%) TDD
4 294 (21.54%) Continuous Integration
5 274 (20.07%) Microservices
6 204 (14.95%) Scrum
7 193 (14.14%) Configuration Management
8 178 (13.04%) Test Automation
9 175 (12.82%) BDD
10 174 (12.75%) Continuous Delivery
11 141 (10.33%) Software Engineering
12 126 (9.23%) High Availability
13 102 (7.47%) Analytics
14 100 (7.33%) Kanban
15 99 (7.25%) Mentoring
16 81 (5.93%) OO
17 75 (5.49%) User Stories
18 68 (4.98%) Domain-Driven Design
19 67 (4.91%) Migration
20 65 (4.76%) Pair Programming
Programming Languages
1 612 (44.84%) Java
2 435 (31.87%) Python
3 262 (19.19%) JavaScript
4 189 (13.85%) Ruby
5 184 (13.48%) SQL
6 163 (11.94%) Scala
7 133 (9.74%) Bash Shell
8 101 (7.40%) C#
9 74 (5.42%) PowerShell
10 72 (5.27%) Perl
11 60 (4.40%) PHP
11 60 (4.40%) Shell Script
12 53 (3.88%) Groovy
13 41 (3.00%) C++
13 41 (3.00%) Go
14 34 (2.49%) C
15 27 (1.98%) R
16 24 (1.76%) ES6
17 18 (1.32%) PL/SQL
18 15 (1.10%) Kotlin
Qualifications
1 178 (13.04%) Security Cleared
2 121 (8.86%) SC Cleared
3 97 (7.11%) Degree
4 33 (2.42%) BPSS Clearance
5 25 (1.83%) Computer Science Degree
6 19 (1.39%) Master's Degree
7 11 (0.81%) AWS Certification
8 10 (0.73%) RHCE
9 9 (0.66%) DV Cleared
10 6 (0.44%) CISSP
11 5 (0.37%) CCNP
11 5 (0.37%) Cisco Certification
12 4 (0.29%) CCSE
12 4 (0.29%) CISA
12 4 (0.29%) CISMP
12 4 (0.29%) ISEB
12 4 (0.29%) ISTQB
13 3 (0.22%) ITIL Certification
13 3 (0.22%) PRINCE2 Certification
14 2 (0.15%) Sun Certification
Quality Assurance & Compliance
1 123 (9.01%) QA
2 18 (1.32%) Disclosure Scotland
3 14 (1.03%) GDPR
4 10 (0.73%) Data Quality
5 9 (0.66%) HL7
6 6 (0.44%) SLA
7 5 (0.37%) PSD2
8 3 (0.22%) GCP
9 2 (0.15%) PMO
10 1 (0.073%) Sarbanes-Oxley
System Software
1 260 (19.05%) Docker
2 45 (3.30%) Apache Flume
3 44 (3.22%) Hyper-V
4 36 (2.64%) HDFS
4 36 (2.64%) VMware ESXi
5 32 (2.34%) Active Directory
6 29 (2.12%) Virtual Machines
7 26 (1.90%) VMware Infrastructure
8 19 (1.39%) Samba
9 12 (0.88%) Firmware
10 9 (0.66%) Apache ZooKeeper
11 6 (0.44%) iptables
11 6 (0.44%) vSphere
12 5 (0.37%) KVM
12 5 (0.37%) Xen
13 4 (0.29%) NFS
14 3 (0.22%) Oracle RAC
14 3 (0.22%) Varnish
14 3 (0.22%) XenApp
14 3 (0.22%) XenDesktop
Systems Management
1 210 (15.38%) Puppet
2 208 (15.24%) Ansible
3 191 (13.99%) Opscode Chef
4 104 (7.62%) Kubernetes
5 78 (5.71%) Terraform
6 46 (3.37%) Kibana
7 39 (2.86%) Oozie
8 36 (2.64%) Grafana
9 35 (2.56%) logstash
10 30 (2.20%) Ambari
10 30 (2.20%) Nagios
11 26 (1.90%) WMI
12 23 (1.68%) Hadoop YARN
12 23 (1.68%) HAProxy
12 23 (1.68%) Mesos
12 23 (1.68%) Salt
13 21 (1.54%) Single Sign-On
14 12 (0.88%) Packer
14 12 (0.88%) ZABBIX
15 11 (0.81%) Consul
Vendors
1 89 (6.52%) Microsoft
2 87 (6.37%) Splunk
3 80 (5.86%) Oracle
4 74 (5.42%) Red Hat
4 74 (5.42%) VMware
5 62 (4.54%) Google
6 55 (4.03%) Cisco
7 44 (3.22%) IBM
8 37 (2.71%) SaltStack
9 35 (2.56%) SolarWinds
10 29 (2.12%) Atlassian
11 22 (1.61%) Tableau
12 20 (1.47%) Juniper
13 19 (1.39%) Salesforce.com
14 17 (1.25%) AppDynamics
15 15 (1.10%) Citrix
15 15 (1.10%) EMC
16 13 (0.95%) AlienVault
16 13 (0.95%) HP
16 13 (0.95%) SAP