Period
to 24 September 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 September 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 Sep 2018
Same period 2017 Same period 2016
Rank 78 81 74
Rank change year-on-year +3 -7 +51
Contract jobs citing Open Source 1,450 1,380 1,501
As % of all contract IT jobs advertised in London 3.19% 3.16% 3.37%
As % of the Processes & Methodologies category 3.64% 3.60% 3.87%
Number of daily rates quoted 1,015 997 1,091
London median daily rate £550 £525 £500
Median daily rate % change year-on-year +4.76% +5.00% +2.30%
10th Percentile £406 £406 £368
90th Percentile £700 £650 £640
England median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% +5.56%
Number of hourly rates quoted 4 2 4
London median hourly rate £42.50 £41.00 £47.50
Median hourly rate % change year-on-year +3.66% -13.68% -24.00%
10th Percentile £36.13 £36.20 £37.25
90th Percentile £47.13 £45.80 £56.75
England median hourly rate £42.50 £38.75 £45.00
% change year-on-year +9.68% -13.89% -

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 39,855 38,372 38,749
As % of all contract IT jobs advertised in London 87.56% 87.76% 87.06%
Number of daily rates quoted 28,865 27,657 28,000
London median daily rate £500 £500 £463
Median daily rate % change year-on-year - +8.11% +2.78%
10th Percentile £325 £313 £300
90th Percentile £675 £660 £638
England median daily rate £468 £450 £425
% change year-on-year +3.89% +5.88% +3.03%
Number of hourly rates quoted 483 370 377
London median hourly rate £22.50 £23.13 £21.00
Median hourly rate % change year-on-year -2.70% +10.12% +5.00%
10th Percentile £14.00 £13.00 £11.25
90th Percentile £55.69 £52.05 £55.00
England median hourly rate £21.00 £23.14 £22.84
% change year-on-year -9.25% +1.34% +4.99%

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 September 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
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 September 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 -19 249 £518 -2.36% 93
South London -8 72 £525 +5.00% 11
West London -12 47 £550 +9.45% 45
East London -3 42 £525 -6.67% 29
North London - 6 £463 - 5
Open Source
England

For the 6 months to 24 September 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.

1 802 (55.31%) Agile Software Development
2 624 (43.03%) Java
3 454 (31.31%) DevOps
4 424 (29.24%) Amazon AWS
5 412 (28.41%) Jenkins
6 394 (27.17%) Python
7 391 (26.97%) JavaScript
8 371 (25.59%) Linux
9 344 (23.72%) Docker
10 315 (21.72%) Microservices
11 311 (21.45%) Git (software)
12 303 (20.90%) Continuous Integration
13 282 (19.45%) Test Automation
14 277 (19.10%) TDD
15 258 (17.79%) Finance
16 245 (16.90%) Scrum
17 241 (16.62%) Node.js
18 232 (16.00%) Kubernetes
19 231 (15.93%) SQL
20 228 (15.72%) Web Services
21 227 (15.66%) Ansible
22 217 (14.97%) Puppet
23 215 (14.83%) HTML
23 215 (14.83%) Spring
24 207 (14.28%) Opscode Chef
24 207 (14.28%) CSS
25 199 (13.72%) Microsoft Azure
26 195 (13.45%) Security Cleared
27 191 (13.17%) AngularJS
28 176 (12.14%) RESTful

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
1 105 (7.24%) Apache Spark
2 68 (4.69%) Elasticsearch
3 64 (4.41%) Confluence
4 59 (4.07%) nginx
5 46 (3.17%) Apache
6 44 (3.03%) Tomcat
7 38 (2.62%) Cloud Foundry
8 32 (2.21%) JBoss
9 30 (2.07%) CMS
10 25 (1.72%) Apache Solr
11 18 (1.24%) OpenStack
12 13 (0.90%) Jetty
12 13 (0.90%) WordPress
13 12 (0.83%) WildFly
14 11 (0.76%) WebLogic
15 10 (0.69%) Apache Pig
15 10 (0.69%) WebSphere
16 8 (0.55%) Apache ServiceMix
17 6 (0.41%) Oracle Service Bus
17 6 (0.41%) SharePoint
Applications
1 6 (0.41%) Chatbot
2 3 (0.21%) Microsoft Excel
2 3 (0.21%) Microsoft Office
3 2 (0.14%) Snapchat
4 1 (0.069%) InVision
4 1 (0.069%) Microsoft Project
4 1 (0.069%) MS Visio
4 1 (0.069%) Shockwave
4 1 (0.069%) Spreadsheet
4 1 (0.069%) SPSS
Business Applications
1 11 (0.76%) ION MarketView
2 7 (0.48%) Magento
3 3 (0.21%) Dynamics CRM
3 3 (0.21%) Payment Gateway
4 1 (0.069%) Distributed Ledger
4 1 (0.069%) Dynamics AX
4 1 (0.069%) Dynamics NAV
4 1 (0.069%) Summit
Cloud Services
1 424 (29.24%) Amazon AWS
2 199 (13.72%) Microsoft Azure
3 99 (6.83%) GitHub
4 72 (4.97%) npm
5 68 (4.69%) PaaS
6 50 (3.45%) Amazon EC2
7 48 (3.31%) Cloud Computing
8 40 (2.76%) SaaS
9 39 (2.69%) IaaS
10 36 (2.48%) Amazon S3
10 36 (2.48%) Google Cloud Platform
11 35 (2.41%) Serverless
12 34 (2.34%) Amazon EMR
13 28 (1.93%) AWS CloudFormation
14 26 (1.79%) AWS Lambda
15 22 (1.52%) Virtual Private Cloud
16 18 (1.24%) Amazon CloudWatch
17 13 (0.90%) Amazon Glacier
17 13 (0.90%) OpenShift
18 12 (0.83%) Datadog
Communications & Networking
1 94 (6.48%) HTTP
2 59 (4.07%) SSL
3 53 (3.66%) DNS
4 50 (3.45%) TCP/IP
5 47 (3.24%) Firewall
6 37 (2.55%) Internet
7 25 (1.72%) DHCP
8 20 (1.38%) AMQP
9 18 (1.24%) IPsec
9 18 (1.24%) Kerberos
10 16 (1.10%) FTP
10 16 (1.10%) VPN
11 14 (0.97%) Network Security
12 13 (0.90%) HTTPS
13 7 (0.48%) ICMP
14 6 (0.41%) NAS
14 6 (0.41%) SAN
15 5 (0.34%) SCCP
16 4 (0.28%) DOCSIS
16 4 (0.28%) SNA
Database & Business Intelligence
1 173 (11.93%) Relational Database
2 161 (11.10%) NoSQL
3 159 (10.97%) MySQL
4 156 (10.76%) PostgreSQL
5 137 (9.45%) Big Data
6 131 (9.03%) MongoDB
7 98 (6.76%) Hadoop
8 71 (4.90%) SQL Server
9 60 (4.14%) RDBMS
10 48 (3.31%) Apache Cassandra
11 38 (2.62%) Redis
12 35 (2.41%) Apache Hive
13 34 (2.34%) HBase
14 29 (2.00%) Amazon Redshift
15 26 (1.79%) Data Warehouse
16 19 (1.31%) Sqoop
17 12 (0.83%) Amazon Aurora
17 12 (0.83%) Amazon RDS
17 12 (0.83%) Neo4j
18 11 (0.76%) Spotfire
Development Applications
1 412 (28.41%) Jenkins
2 311 (21.45%) Git (software)
3 144 (9.93%) Maven
4 105 (7.24%) Selenium
5 100 (6.90%) JUnit
6 89 (6.14%) Cucumber
7 82 (5.66%) JIRA
8 76 (5.24%) Gradle
9 52 (3.59%) gulp
10 50 (3.45%) Travis CI
11 48 (3.31%) SonarQube
12 46 (3.17%) Mocha
12 46 (3.17%) Vagrant
13 40 (2.76%) Subversion
14 37 (2.55%) Jasmine
15 36 (2.48%) Atlassian Bamboo
15 36 (2.48%) CircleCI
15 36 (2.48%) Sonatype Nexus
16 34 (2.34%) WebDriver
17 33 (2.28%) Hudson
General
1 258 (17.79%) Finance
2 152 (10.48%) Banking
3 78 (5.38%) Retail
4 36 (2.48%) Investment Banking
5 34 (2.34%) Front Office
6 27 (1.86%) Marketing
7 25 (1.72%) Back Office
8 23 (1.59%) Legal
9 19 (1.31%) Advertising
10 18 (1.24%) Financial Institution
11 17 (1.17%) Publishing
11 17 (1.17%) Telecoms
12 13 (0.90%) Manufacturing
13 12 (0.83%) Electronics
14 8 (0.55%) Law
15 6 (0.41%) Games
15 6 (0.41%) Prime Brokerage
16 3 (0.21%) Billing
16 3 (0.21%) Retail Banking
17 2 (0.14%) Multimedia
Job Titles
1 603 (41.59%) Developer
2 214 (14.76%) DevOps Engineer
3 199 (13.72%) Java Developer
4 184 (12.69%) Architect
5 77 (5.31%) Front End Developer (Client-Side Developer)
6 76 (5.24%) React Developer
7 70 (4.83%) AWS Engineer
8 63 (4.34%) Senior Developer
9 60 (4.14%) Angular Developer
10 57 (3.93%) Java Engineer
11 56 (3.86%) AWS DevOps
12 51 (3.52%) Data Engineer
13 50 (3.45%) AWS DevOps Engineer
14 48 (3.31%) JavaScript Developer
15 47 (3.24%) Full Stack Developer
16 44 (3.03%) Technical Architect
17 42 (2.90%) Analyst
18 41 (2.83%) Python Engineer
19 40 (2.76%) Python Developer
19 40 (2.76%) Scala Developer
Libraries, Frameworks & Software Standards
1 241 (16.62%) Node.js
2 228 (15.72%) Web Services
3 215 (14.83%) HTML
3 215 (14.83%) Spring
4 207 (14.28%) CSS
5 191 (13.17%) AngularJS
6 176 (12.14%) RESTful
7 171 (11.79%) REST
8 156 (10.76%) React
9 122 (8.41%) HTML5
10 113 (7.79%) .NET
11 92 (6.34%) Kafka
12 90 (6.21%) CSS3
13 88 (6.07%) Spring Boot
14 82 (5.66%) SOAP
15 79 (5.45%) JSON
16 75 (5.17%) Hibernate
17 57 (3.93%) J2EE
18 56 (3.86%) Gherkin
19 54 (3.72%) ASP.NET
Miscellaneous
1 91 (6.28%) User Experience
2 79 (5.45%) Greenfield Project
3 71 (4.90%) Computer Science
4 63 (4.34%) Analytical Skills
5 55 (3.79%) Mobile App
6 53 (3.66%) Algorithms
7 45 (3.10%) Fintech
8 43 (2.97%) Linux Command Line
9 37 (2.55%) Foreign Exchange (FX)
10 35 (2.41%) Public Cloud
11 31 (2.14%) Fixed Income
12 26 (1.79%) Data Centre
12 26 (1.79%) Enterprise Software
13 19 (1.31%) HoloLens
14 18 (1.24%) Data Structures
14 18 (1.24%) Self-Motivation
15 17 (1.17%) Private Cloud
16 16 (1.10%) Management Information System
17 15 (1.03%) Online Banking
18 11 (0.76%) Derivative
Operating Systems
1 371 (25.59%) Linux
2 123 (8.48%) Unix
3 71 (4.90%) Windows
4 47 (3.24%) Red Hat Enterprise Linux
5 39 (2.69%) Android
6 32 (2.21%) CentOS
7 27 (1.86%) Windows Server
8 25 (1.72%) Ubuntu
9 16 (1.10%) Apple iOS
9 16 (1.10%) Mac OS X
10 10 (0.69%) DC/OS
10 10 (0.69%) Mac OS
10 10 (0.69%) Windows Server 2008
11 7 (0.48%) Solaris
12 6 (0.41%) CoreOS
12 6 (0.41%) VMS
12 6 (0.41%) Windows 7
12 6 (0.41%) Windows 8
13 5 (0.34%) AIX
14 2 (0.14%) Debian
Processes & Methodologies
1 802 (55.31%) Agile Software Development
2 454 (31.31%) DevOps
3 315 (21.72%) Microservices
4 303 (20.90%) Continuous Integration
5 282 (19.45%) Test Automation
6 277 (19.10%) TDD
7 245 (16.90%) Scrum
8 175 (12.07%) Configuration Management
9 170 (11.72%) BDD
10 149 (10.28%) Continuous Delivery
11 140 (9.66%) OO
12 137 (9.45%) Problem-Solving
13 116 (8.00%) Analytics
14 114 (7.86%) Software Engineering
15 107 (7.38%) MVC
16 101 (6.97%) Front End Development
17 99 (6.83%) Migration
18 90 (6.21%) Mentoring
19 86 (5.93%) Open Source Development
19 86 (5.93%) SDLC
Programming Languages
1 624 (43.03%) Java
2 394 (27.17%) Python
3 391 (26.97%) JavaScript
4 231 (15.93%) SQL
5 141 (9.72%) Scala
6 123 (8.48%) Ruby
7 98 (6.76%) Bash Shell
8 96 (6.62%) Java 8
9 92 (6.34%) C#
10 76 (5.24%) ES6
11 75 (5.17%) Shell Script
12 70 (4.83%) Groovy
13 54 (3.72%) TypeScript
14 51 (3.52%) Perl
15 50 (3.45%) PHP
16 49 (3.38%) C++
17 39 (2.69%) Go
18 31 (2.14%) C
19 30 (2.07%) Kotlin
20 29 (2.00%) R
Qualifications
1 195 (13.45%) Security Cleared
2 171 (11.79%) SC Cleared
3 104 (7.17%) Degree
4 48 (3.31%) Computer Science Degree
5 35 (2.41%) BPSS Clearance
6 18 (1.24%) Master's Degree
7 11 (0.76%) ISTQB
8 8 (0.55%) DV Cleared
9 6 (0.41%) ISEB
10 5 (0.34%) Cisco Certification
11 4 (0.28%) CCNA
11 4 (0.28%) CESG Certified Professional
11 4 (0.28%) ISTQB Advanced Certification
12 3 (0.21%) ACCA
12 3 (0.21%) AWS Certification
12 3 (0.21%) CHECK Team Member
12 3 (0.21%) DBS Check
12 3 (0.21%) TOGAF Certification
13 2 (0.14%) CISSP
13 2 (0.14%) Microsoft Certification
Quality Assurance & Compliance
1 119 (8.21%) QA
2 17 (1.17%) GDPR
3 14 (0.97%) Data Quality
4 10 (0.69%) ISO/IEC 27001
5 9 (0.62%) Disclosure Scotland
6 4 (0.28%) FedRAMP
6 4 (0.28%) PCI DSS
7 3 (0.21%) PMO
7 3 (0.21%) WAI
8 1 (0.069%) HL7
8 1 (0.069%) ISO 20022
8 1 (0.069%) PSD2
8 1 (0.069%) WCAG
System Software
1 344 (23.72%) Docker
2 56 (3.86%) Virtual Machines
2 56 (3.86%) VMware Infrastructure
3 30 (2.07%) Active Directory
4 21 (1.45%) etcd
4 21 (1.45%) HDFS
5 20 (1.38%) Apache Flume
5 20 (1.38%) flannel
5 20 (1.38%) vSphere
6 13 (0.90%) VirtualBox
7 11 (0.76%) Hyper-V
8 10 (0.69%) Virtual Servers
9 6 (0.41%) Virtual Desktop
10 5 (0.34%) Firmware
10 5 (0.34%) NFS
11 4 (0.28%) ProxySG
12 3 (0.21%) Apache ZooKeeper
12 3 (0.21%) Ceph
12 3 (0.21%) SkyDNS
13 2 (0.14%) GlusterFS
Systems Management
1 232 (16.00%) Kubernetes
2 227 (15.66%) Ansible
3 217 (14.97%) Puppet
4 207 (14.28%) Opscode Chef
5 158 (10.90%) Terraform
6 28 (1.93%) Docker Swarm
7 24 (1.66%) Salt
8 21 (1.45%) Oozie
9 20 (1.38%) Prometheus
9 20 (1.38%) rkt
10 19 (1.31%) Packer
11 15 (1.03%) HAProxy
11 15 (1.03%) logstash
12 11 (0.76%) Hadoop YARN
12 11 (0.76%) Kibana
13 10 (0.69%) Ambari
14 9 (0.62%) Consul
14 9 (0.62%) Grafana
14 9 (0.62%) Single Sign-On
15 7 (0.48%) Sysdig
Vendors
1 81 (5.59%) Google
2 76 (5.24%) Oracle
3 75 (5.17%) Microsoft
4 65 (4.48%) VMware
5 55 (3.79%) Red Hat
6 39 (2.69%) SAP
7 32 (2.21%) Splunk
8 28 (1.93%) SaltStack
9 20 (1.38%) Atlassian
10 19 (1.31%) Salesforce.com
11 18 (1.24%) SOASTA, Inc
12 17 (1.17%) MuleSoft
12 17 (1.17%) TIBCO
13 16 (1.10%) IBM
14 15 (1.03%) Apple
15 14 (0.97%) AppDynamics
15 14 (0.97%) Black Duck
16 13 (0.90%) New Relic
17 12 (0.83%) Alteryx
17 12 (0.83%) Tableau