Period
to 9 December 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 9 December 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
9 Dec 2018
Same period 2017 Same period 2016
Rank 82 86 84
Rank change year-on-year +4 -2 +27
Contract jobs citing Open Source 1,412 1,428 1,395
As % of all contract IT jobs advertised in London 3.03% 3.03% 3.12%
As % of the Processes & Methodologies category 3.45% 3.44% 3.57%
Number of daily rates quoted 1,014 1,106 1,016
London median daily rate £550 £540 £500
Median daily rate % change year-on-year +1.85% +8.00% -
10th Percentile £402 £406 £363
90th Percentile £713 £675 £638
England median daily rate £525 £503 £480
% change year-on-year +4.48% +4.69% +6.67%
Number of hourly rates quoted 3 2 7
London median hourly rate £35.00 £28.75 £45.00
Median hourly rate % change year-on-year +21.74% -36.11% -
England median hourly rate £35.00 £35.00 £45.00
% change year-on-year - -22.22% +5.88%

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 40,973 41,547 39,092
As % of all contract IT jobs advertised in London 87.86% 88.16% 87.42%
Number of daily rates quoted 29,560 30,219 27,947
London median daily rate £500 £500 £475
Median daily rate % change year-on-year - +5.26% +5.56%
10th Percentile £325 £313 £306
90th Percentile £675 £675 £640
England median daily rate £475 £450 £425
% change year-on-year +5.56% +5.88% -
Number of hourly rates quoted 468 391 438
London median hourly rate £24.00 £22.50 £21.85
Median hourly rate % change year-on-year +6.67% +3.00% +6.56%
10th Percentile £13.00 £13.30 £11.93
90th Percentile £54.87 £48.75 £50.00
England median hourly rate £22.00 £24.69 £22.67
% change year-on-year -10.88% +8.90% +3.03%

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 9 December 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 9 December 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 -5 278 £525 -4.55% 120
South London +5 91 £525 -4.55% 8
West London -9 53 £550 +4.76% 64
East London -18 50 £525 -10.64% 38
North London -1 10 £425 -12.82% 4
Open Source
England

For the 6 months to 9 December 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.

1 830 (58.78%) Agile Software Development
2 653 (46.25%) Java
3 449 (31.80%) Amazon AWS
4 438 (31.02%) Jenkins
5 437 (30.95%) DevOps
6 403 (28.54%) Python
7 399 (28.26%) Docker
8 367 (25.99%) Linux
9 364 (25.78%) JavaScript
10 335 (23.73%) Git (software)
11 296 (20.96%) Continuous Integration
12 295 (20.89%) Test Automation
12 295 (20.89%) TDD
13 287 (20.33%) Microservices
14 267 (18.91%) Kubernetes
15 250 (17.71%) Scrum
16 249 (17.63%) Spring
17 241 (17.07%) Web Services
18 238 (16.86%) SQL
19 221 (15.65%) Finance
19 221 (15.65%) RESTful
20 220 (15.58%) Node.js
21 207 (14.66%) Ansible
22 196 (13.88%) Security Cleared
23 193 (13.67%) BDD
24 183 (12.96%) Microsoft Azure
24 183 (12.96%) Continuous Delivery
25 180 (12.75%) REST
26 176 (12.46%) Puppet
26 176 (12.46%) NoSQL

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 (7.44%) Apache Spark
2 82 (5.81%) Elasticsearch
3 78 (5.52%) Confluence
4 62 (4.39%) Apache
5 53 (3.75%) CMS
6 45 (3.19%) nginx
6 45 (3.19%) Tomcat
7 36 (2.55%) Cloud Foundry
8 21 (1.49%) Apache Solr
8 21 (1.49%) JBoss
9 18 (1.27%) WordPress
10 17 (1.20%) OpenStack
11 16 (1.13%) WebLogic
12 15 (1.06%) Oracle Service Bus
13 12 (0.85%) WebSphere
14 11 (0.78%) Jetty
14 11 (0.78%) Mule
14 11 (0.78%) Mule ESB
15 9 (0.64%) IIS
16 8 (0.57%) Anypoint
Applications
1 16 (1.13%) Microsoft Excel
2 5 (0.35%) Chatbot
3 3 (0.21%) Microsoft Office
4 2 (0.14%) Snapchat
5 1 (0.071%) InVision
5 1 (0.071%) Microsoft PowerPoint
5 1 (0.071%) Microsoft Project
5 1 (0.071%) MS Visio
5 1 (0.071%) Shockwave
Business Applications
1 3 (0.21%) ION MarketView
1 3 (0.21%) Magento
1 3 (0.21%) Payment Gateway
2 2 (0.14%) Dynamics NAV
3 1 (0.071%) BusinessWorks
3 1 (0.071%) Distributed Ledger
3 1 (0.071%) Dynamics AX
3 1 (0.071%) Dynamics CRM
3 1 (0.071%) TIBCO BusinessEvents
Cloud Services
1 449 (31.80%) Amazon AWS
2 183 (12.96%) Microsoft Azure
3 82 (5.81%) GitHub
4 80 (5.67%) Amazon EC2
5 77 (5.45%) SaaS
6 69 (4.89%) PaaS
7 58 (4.11%) Google Cloud Platform
8 54 (3.82%) npm
9 38 (2.69%) Amazon S3
9 38 (2.69%) IaaS
10 30 (2.12%) Amazon EMR
10 30 (2.12%) Cloud Computing
11 29 (2.05%) Serverless
12 25 (1.77%) Virtual Private Cloud
13 22 (1.56%) AWS Lambda
14 19 (1.35%) AWS CloudFormation
15 16 (1.13%) Datadog
16 14 (0.99%) Amazon Glacier
16 14 (0.99%) OpenShift
17 13 (0.92%) Amazon CloudWatch
Communications & Networking
1 87 (6.16%) HTTP
2 50 (3.54%) DNS
3 45 (3.19%) TCP/IP
4 42 (2.97%) SSL
5 26 (1.84%) DHCP
6 25 (1.77%) Firewall
7 22 (1.56%) IPsec
7 22 (1.56%) VPN
8 21 (1.49%) AMQP
8 21 (1.49%) FTP
9 19 (1.35%) HTTPS
10 17 (1.20%) Internet
11 12 (0.85%) ICMP
11 12 (0.85%) Kerberos
12 7 (0.50%) Network Security
12 7 (0.50%) SAN
13 6 (0.42%) NAS
14 5 (0.35%) SCCP
15 4 (0.28%) DOCSIS
16 3 (0.21%) Junos
Database & Business Intelligence
1 176 (12.46%) NoSQL
2 151 (10.69%) Relational Database
3 137 (9.70%) Big Data
4 134 (9.49%) PostgreSQL
5 118 (8.36%) MongoDB
6 111 (7.86%) MySQL
7 104 (7.37%) Hadoop
8 62 (4.39%) Apache Cassandra
8 62 (4.39%) RDBMS
9 61 (4.32%) SQL Server
10 48 (3.40%) Redis
11 34 (2.41%) Apache Hive
12 29 (2.05%) HBase
13 27 (1.91%) Amazon Redshift
14 21 (1.49%) Data Warehouse
15 16 (1.13%) Power BI
15 16 (1.13%) Spotfire
16 15 (1.06%) SQL Server Integration Services
16 15 (1.06%) Sqoop
17 14 (0.99%) Amazon Aurora
Development Applications
1 438 (31.02%) Jenkins
2 335 (23.73%) Git (software)
3 152 (10.76%) Maven
4 114 (8.07%) JIRA
5 100 (7.08%) JUnit
6 87 (6.16%) Selenium
7 86 (6.09%) Gradle
8 78 (5.52%) Cucumber
9 76 (5.38%) SonarQube
10 53 (3.75%) Travis CI
11 49 (3.47%) Subversion
12 47 (3.33%) gulp
13 43 (3.05%) Mocha
13 43 (3.05%) Mockito
14 42 (2.97%) GitLab
15 38 (2.69%) Hudson
16 37 (2.62%) Vagrant
17 36 (2.55%) Sonatype Nexus
18 31 (2.20%) jMock
19 30 (2.12%) Protractor
General
1 221 (15.65%) Finance
2 162 (11.47%) Banking
3 52 (3.68%) Retail
4 51 (3.61%) Front Office
5 37 (2.62%) Investment Banking
6 30 (2.12%) Legal
7 20 (1.42%) Marketing
8 17 (1.20%) Advertising
9 16 (1.13%) Publishing
10 14 (0.99%) Financial Institution
11 10 (0.71%) Back Office
12 9 (0.64%) Retail Banking
13 8 (0.57%) Manufacturing
14 7 (0.50%) Electronics
14 7 (0.50%) Games
14 7 (0.50%) Telecoms
15 5 (0.35%) Law
16 3 (0.21%) Pharmaceutical
16 3 (0.21%) Prime Brokerage
17 2 (0.14%) Multimedia
Job Titles
1 608 (43.06%) Developer
2 257 (18.20%) Java Developer
3 193 (13.67%) DevOps Engineer
4 154 (10.91%) Architect
5 62 (4.39%) Python Developer
6 59 (4.18%) AWS Engineer
7 56 (3.97%) Java Engineer
7 56 (3.97%) Senior Developer
8 54 (3.82%) Front End Developer (Client-Side Developer)
9 52 (3.68%) Scala Developer
10 49 (3.47%) Data Engineer
11 47 (3.33%) Angular Developer
12 44 (3.12%) Analyst
13 41 (2.90%) Cloud Engineer
14 40 (2.83%) AWS DevOps
15 39 (2.76%) React Developer
16 38 (2.69%) JavaScript Developer
17 36 (2.55%) Full Stack Developer
18 35 (2.48%) Python Engineer
19 34 (2.41%) AWS DevOps Engineer
Libraries, Frameworks & Software Standards
1 249 (17.63%) Spring
2 241 (17.07%) Web Services
3 221 (15.65%) RESTful
4 220 (15.58%) Node.js
5 180 (12.75%) REST
6 167 (11.83%) HTML
7 151 (10.69%) AngularJS
8 148 (10.48%) CSS
9 126 (8.92%) React
10 116 (8.22%) Spring Boot
11 107 (7.58%) Kafka
12 101 (7.15%) HTML5
13 82 (5.81%) JSON
14 81 (5.74%) Hibernate
15 79 (5.59%) SOAP
16 76 (5.38%) CSS3
17 72 (5.10%) .NET
18 67 (4.75%) J2EE
19 59 (4.18%) Elastic Stack
20 50 (3.54%) Django
Miscellaneous
1 101 (7.15%) Greenfield Project
2 77 (5.45%) Analytical Skills
3 62 (4.39%) User Experience
4 47 (3.33%) Fintech
5 43 (3.05%) Fixed Income
5 43 (3.05%) Mobile App
6 41 (2.90%) Algorithms
6 41 (2.90%) Public Cloud
7 39 (2.76%) Data Centre
8 25 (1.77%) Management Information System
9 21 (1.49%) Blog
10 20 (1.42%) Linux Command Line
11 19 (1.35%) Private Cloud
12 18 (1.27%) Enterprise Software
12 18 (1.27%) Self-Motivation
13 16 (1.13%) Cloud Native
13 16 (1.13%) Foreign Exchange (FX)
13 16 (1.13%) Hedge funds
14 15 (1.06%) Enterprise Cloud
14 15 (1.06%) iPad
Operating Systems
1 367 (25.99%) Linux
2 89 (6.30%) Unix
3 75 (5.31%) Windows
4 42 (2.97%) Android
4 42 (2.97%) Red Hat Enterprise Linux
5 34 (2.41%) CentOS
6 25 (1.77%) Apple iOS
7 24 (1.70%) Ubuntu
8 23 (1.63%) Windows Server
9 20 (1.42%) VMS
10 13 (0.92%) Mac OS X
11 10 (0.71%) Windows 7
11 10 (0.71%) Windows 8
12 8 (0.57%) CoreOS
13 7 (0.50%) Mac OS
14 4 (0.28%) DC/OS
14 4 (0.28%) Debian
14 4 (0.28%) Windows Server 2008
15 3 (0.21%) Solaris
16 2 (0.14%) FreeBSD
Processes & Methodologies
1 830 (58.78%) Agile Software Development
2 437 (30.95%) DevOps
3 296 (20.96%) Continuous Integration
4 295 (20.89%) TDD
4 295 (20.89%) Test Automation
5 287 (20.33%) Microservices
6 250 (17.71%) Scrum
7 193 (13.67%) BDD
8 183 (12.96%) Continuous Delivery
9 151 (10.69%) Configuration Management
10 126 (8.92%) OO
11 121 (8.57%) Problem-Solving
12 113 (8.00%) Software Engineering
13 112 (7.93%) Analytics
13 112 (7.93%) Kanban
14 95 (6.73%) Mentoring
15 90 (6.37%) Front End Development
16 84 (5.95%) Data Science
17 83 (5.88%) Migration
18 79 (5.59%) MVC
Programming Languages
1 653 (46.25%) Java
2 403 (28.54%) Python
3 364 (25.78%) JavaScript
4 238 (16.86%) SQL
5 154 (10.91%) Scala
6 114 (8.07%) Java 8
7 108 (7.65%) Ruby
8 87 (6.16%) Groovy
9 83 (5.88%) Bash Shell
10 69 (4.89%) C#
11 60 (4.25%) ES6
12 54 (3.82%) Shell Script
13 50 (3.54%) Go
14 48 (3.40%) PHP
15 37 (2.62%) Perl
15 37 (2.62%) R
16 34 (2.41%) C++
17 26 (1.84%) Kotlin
18 24 (1.70%) TypeScript
19 23 (1.63%) C
Qualifications
1 196 (13.88%) Security Cleared
2 156 (11.05%) SC Cleared
3 84 (5.95%) Degree
4 42 (2.97%) BPSS Clearance
5 34 (2.41%) Computer Science Degree
6 16 (1.13%) ISTQB
7 15 (1.06%) Master's Degree
8 10 (0.71%) DV Cleared
8 10 (0.71%) ISEB
9 9 (0.64%) AWS Certification
10 8 (0.57%) ISTQB Advanced Certification
11 6 (0.42%) CTC Cleared
12 5 (0.35%) Sun Certification
13 4 (0.28%) CCNA
13 4 (0.28%) Cisco Certification
13 4 (0.28%) ITIL Certification
14 3 (0.21%) Numerate Degree
14 3 (0.21%) PhD
15 2 (0.14%) CISSP
15 2 (0.14%) Microsoft Certification
Quality Assurance & Compliance
1 120 (8.50%) QA
2 17 (1.20%) GDPR
3 14 (0.99%) ISO/IEC 27001
4 13 (0.92%) Data Quality
5 12 (0.85%) Disclosure Scotland
6 8 (0.57%) FedRAMP
7 4 (0.28%) ISO 9001
8 2 (0.14%) PCI DSS
8 2 (0.14%) PMO
9 1 (0.071%) FISMA
9 1 (0.071%) HIPAA
9 1 (0.071%) ISO 20022
9 1 (0.071%) PSD2
9 1 (0.071%) WAI
9 1 (0.071%) WCAG
System Software
1 399 (28.26%) Docker
2 81 (5.74%) VMware Infrastructure
3 44 (3.12%) Virtual Machines
4 35 (2.48%) vSphere
5 23 (1.63%) Active Directory
6 20 (1.42%) HDFS
7 12 (0.85%) Apache Flume
7 12 (0.85%) Virtual Servers
8 10 (0.71%) Virtual Desktop
9 9 (0.64%) etcd
10 8 (0.57%) flannel
11 7 (0.50%) VirtualBox
12 6 (0.42%) Xen
13 4 (0.28%) Apache ZooKeeper
13 4 (0.28%) Hyper-V
13 4 (0.28%) SkyDNS
14 3 (0.21%) Ceph
14 3 (0.21%) GlusterFS
14 3 (0.21%) NFS
15 2 (0.14%) XenApp
Systems Management
1 267 (18.91%) Kubernetes
2 207 (14.66%) Ansible
3 176 (12.46%) Puppet
4 174 (12.32%) Opscode Chef
5 162 (11.47%) Terraform
6 28 (1.98%) Docker Swarm
7 23 (1.63%) Prometheus
8 18 (1.27%) Consul
9 16 (1.13%) Oozie
10 15 (1.06%) Kibana
10 15 (1.06%) logstash
10 15 (1.06%) Sysdig
11 14 (0.99%) Hadoop YARN
12 13 (0.92%) Packer
13 12 (0.85%) Ambari
14 11 (0.78%) Grafana
14 11 (0.78%) rkt
15 10 (0.71%) HAProxy
15 10 (0.71%) Salt
15 10 (0.71%) vCenter Server
Vendors
1 105 (7.44%) Google
2 92 (6.52%) Microsoft
3 89 (6.30%) VMware
4 56 (3.97%) Oracle
5 51 (3.61%) Red Hat
5 51 (3.61%) Splunk
6 25 (1.77%) SAP
7 19 (1.35%) Cloudera
7 19 (1.35%) SaltStack
8 18 (1.27%) MuleSoft
9 17 (1.20%) AppDynamics
9 17 (1.20%) Databricks
10 16 (1.13%) SOASTA, Inc
11 15 (1.06%) Atlassian
11 15 (1.06%) IBM
12 14 (0.99%) Salesforce.com
13 13 (0.92%) Black Duck
14 12 (0.85%) Citrix
15 11 (0.78%) Axway
15 11 (0.78%) Talend