Period
to 10 December 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 10 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
Central London > City of London
6 months to
10 Dec 2018
Same period 2017 Same period 2016
Rank 84 89 79
Rank change year-on-year +5 -10 +40
Contract jobs citing Open Source 224 199 201
As % of all contract IT jobs advertised in the City of London 3.14% 2.79% 3.08%
As % of the Processes & Methodologies category 3.59% 3.11% 3.48%
Number of daily rates quoted 171 181 164
City of London median daily rate £525 £550 £505
Median daily rate % change year-on-year -4.55% +8.91% +1.00%
10th Percentile £360 £425 £369
90th Percentile £775 £675 £700
Central London median daily rate £525 £550 £500
% change year-on-year -4.55% +10.00% -
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 6,238 6,397 5,775
As % of all contract IT jobs advertised in the City of London 87.39% 89.58% 88.59%
Number of daily rates quoted 4,938 5,099 4,577
City of London median daily rate £510 £510 £475
Median daily rate % change year-on-year - +7.37% +0.80%
10th Percentile £325 £325 £319
90th Percentile £675 £688 £672
Central London median daily rate £500 £500 £475
% change year-on-year - +5.26% +3.26%
Number of hourly rates quoted 88 59 53
City of London median hourly rate £18.70 £18.70 £20.00
Median hourly rate % change year-on-year - -6.50% -1.23%
10th Percentile £13.22 £13.00 £13.75
90th Percentile £33.60 £31.10 £55.00
Central London median hourly rate £19.00 £20.00 £19.00
% change year-on-year -5.00% +5.26% -5.00%

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 10 December 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 10 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
Moorgate - 6 £525 -
London Bridge - 1 £550 -
Open Source
Central London

For the 6 months to 10 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 City of London region with a requirement for Open Source.

1 143 (63.84%) Agile Software Development
2 114 (50.89%) Java
3 69 (30.80%) Python
3 69 (30.80%) Jenkins
4 67 (29.91%) Banking
5 61 (27.23%) Amazon AWS
6 60 (26.79%) DevOps
7 54 (24.11%) Docker
8 49 (21.88%) Continuous Integration
9 46 (20.54%) TDD
9 46 (20.54%) JavaScript
10 45 (20.09%) Finance
10 45 (20.09%) Continuous Delivery
11 44 (19.64%) Greenfield Project
12 40 (17.86%) Kubernetes
13 38 (16.96%) Spring
14 36 (16.07%) Microservices
15 35 (15.63%) Git (software)
15 35 (15.63%) Linux
16 34 (15.18%) NoSQL
17 33 (14.73%) Test Automation
17 33 (14.73%) HTML
18 32 (14.29%) Maven
19 31 (13.84%) REST
20 30 (13.39%) Scala
20 30 (13.39%) Ansible
20 30 (13.39%) SQL
21 29 (12.95%) Scrum
22 28 (12.50%) Low Latency
23 27 (12.05%) Web Services

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 25 (11.16%) Apache Spark
2 16 (7.14%) Elasticsearch
3 7 (3.13%) Confluence
4 6 (2.68%) Apache
5 4 (1.79%) Apache Solr
6 3 (1.34%) CMS
6 3 (1.34%) nginx
6 3 (1.34%) OpenStack
6 3 (1.34%) Tomcat
7 2 (0.89%) Drupal
7 2 (0.89%) SharePoint
7 2 (0.89%) WebSphere
8 1 (0.45%) ArcGIS
8 1 (0.45%) Cloud Foundry
8 1 (0.45%) GeoServer
8 1 (0.45%) IIS
8 1 (0.45%) Jetty
8 1 (0.45%) Mongrel
8 1 (0.45%) WebSphere Application Server
8 1 (0.45%) WordPress
Applications
1 2 (0.89%) Microsoft Excel
1 2 (0.89%) Snapchat
2 1 (0.45%) InVision
2 1 (0.45%) Microsoft Office
Business Applications
1 2 (0.89%) ION MarketView
2 1 (0.45%) Dynamics NAV
Cloud Services
1 61 (27.23%) Amazon AWS
2 20 (8.93%) Microsoft Azure
3 12 (5.36%) Amazon EC2
3 12 (5.36%) GitHub
4 8 (3.57%) Google Cloud Platform
5 6 (2.68%) SaaS
6 4 (1.79%) Amazon EMR
6 4 (1.79%) Amazon S3
7 3 (1.34%) AWS Lambda
7 3 (1.34%) IaaS
7 3 (1.34%) IBM Cloud
7 3 (1.34%) npm
7 3 (1.34%) PaaS
7 3 (1.34%) Serverless
8 2 (0.89%) Amazon Glacier
8 2 (0.89%) Google App Engine
8 2 (0.89%) Google Drive
8 2 (0.89%) Office 365
8 2 (0.89%) Virtual Private Cloud
9 1 (0.45%) Apigee
Communications & Networking
1 5 (2.23%) HTTP
1 5 (2.23%) Internet
2 3 (1.34%) Junos
2 3 (1.34%) Kerberos
3 2 (0.89%) HTTPS
4 1 (0.45%) DHCP
4 1 (0.45%) DNS
4 1 (0.45%) FTP
4 1 (0.45%) IPsec
4 1 (0.45%) SCCP
4 1 (0.45%) SSL
4 1 (0.45%) TCP/IP
Database & Business Intelligence
1 34 (15.18%) NoSQL
2 19 (8.48%) PostgreSQL
3 16 (7.14%) Big Data
4 14 (6.25%) MySQL
4 14 (6.25%) Relational Database
5 13 (5.80%) Hadoop
5 13 (5.80%) MongoDB
6 10 (4.46%) Apache Cassandra
6 10 (4.46%) Redis
7 8 (3.57%) SQL Server
8 7 (3.13%) Apache Hive
8 7 (3.13%) HBase
9 6 (2.68%) RDBMS
10 4 (1.79%) Amazon Redshift
10 4 (1.79%) Data Mining
10 4 (1.79%) Flink
11 3 (1.34%) Amazon Aurora
11 3 (1.34%) Data Warehouse
11 3 (1.34%) Sqoop
12 2 (0.89%) Cosmos DB
Development Applications
1 69 (30.80%) Jenkins
2 35 (15.63%) Git (software)
3 32 (14.29%) Maven
4 22 (9.82%) Gradle
5 16 (7.14%) JUnit
6 11 (4.91%) Mockito
7 9 (4.02%) JIRA
8 8 (3.57%) GitLab
9 7 (3.13%) jMock
9 7 (3.13%) SonarQube
9 7 (3.13%) TestNG
9 7 (3.13%) Vagrant
10 6 (2.68%) DbUnit
11 5 (2.23%) Selenium
12 4 (1.79%) Appium
12 4 (1.79%) Artifactory
12 4 (1.79%) Cucumber
12 4 (1.79%) Gatling
12 4 (1.79%) GoCD
12 4 (1.79%) JMeter
General
1 67 (29.91%) Banking
2 45 (20.09%) Finance
3 25 (11.16%) Front Office
4 23 (10.27%) Investment Banking
5 5 (2.23%) Legal
6 3 (1.34%) Retail Banking
7 2 (0.89%) Advertising
7 2 (0.89%) Back Office
7 2 (0.89%) Law
7 2 (0.89%) Multimedia
7 2 (0.89%) Prime Brokerage
7 2 (0.89%) Retail
8 1 (0.45%) Games
8 1 (0.45%) Marketing
8 1 (0.45%) Publishing
Job Titles
1 110 (49.11%) Developer
2 57 (25.45%) Java Developer
3 30 (13.39%) DevOps Engineer
4 21 (9.38%) Java Engineer
5 20 (8.93%) Front Office Developer
6 15 (6.70%) Kubernetes Engineer
7 13 (5.80%) Architect
7 13 (5.80%) Data Engineer
8 11 (4.91%) J2EE Developer
8 11 (4.91%) Java/J2EE Developer
8 11 (4.91%) Python Developer
9 10 (4.46%) Analyst
9 10 (4.46%) ITIL Service Analyst
9 10 (4.46%) ITIL Service Desk Analyst
9 10 (4.46%) Service Analyst
9 10 (4.46%) Service Desk Analyst
10 9 (4.02%) Cloud Architect
10 9 (4.02%) Front End Developer (Client-Side Developer)
11 8 (3.57%) Linux Engineer
12 7 (3.13%) Senior Developer
Libraries, Frameworks & Software Standards
1 38 (16.96%) Spring
2 33 (14.73%) HTML
3 31 (13.84%) REST
4 27 (12.05%) Web Services
5 24 (10.71%) Kafka
5 24 (10.71%) RESTful
6 21 (9.38%) Node.js
7 20 (8.93%) CSS
8 19 (8.48%) J2EE
9 16 (7.14%) AngularJS
10 15 (6.70%) Spring Boot
11 14 (6.25%) Java EE
11 14 (6.25%) React
12 13 (5.80%) JMS
13 11 (4.91%) DHTML
13 11 (4.91%) Ehcache
13 11 (4.91%) SOAP
14 9 (4.02%) HTML5
14 9 (4.02%) Java Concurrency
15 8 (3.57%) CSS3
Miscellaneous
1 44 (19.64%) Greenfield Project
2 25 (11.16%) Fixed Income
3 18 (8.04%) User Experience
4 17 (7.59%) Analytical Skills
5 15 (6.70%) iPad
6 8 (3.57%) Algorithms
6 8 (3.57%) Mobile App
7 5 (2.23%) Blog
7 5 (2.23%) Fintech
7 5 (2.23%) Foreign Exchange (FX)
8 4 (1.79%) Cloud Native
8 4 (1.79%) Data Centre
8 4 (1.79%) Data Structures
9 3 (1.34%) Hedge funds
9 3 (1.34%) Public Cloud
9 3 (1.34%) Taxonomies
10 2 (0.89%) Client/Server
10 2 (0.89%) Derivative
10 2 (0.89%) Photography
10 2 (0.89%) RIA
Operating Systems
1 35 (15.63%) Linux
2 14 (6.25%) Windows
3 12 (5.36%) Unix
4 10 (4.46%) Android
4 10 (4.46%) Windows 7
4 10 (4.46%) Windows 8
5 5 (2.23%) CentOS
6 4 (1.79%) Windows Server
7 3 (1.34%) Apple iOS
7 3 (1.34%) Red Hat Enterprise Linux
7 3 (1.34%) VMS
8 1 (0.45%) Ubuntu
Processes & Methodologies
1 143 (63.84%) Agile Software Development
2 60 (26.79%) DevOps
3 49 (21.88%) Continuous Integration
4 46 (20.54%) TDD
5 45 (20.09%) Continuous Delivery
6 36 (16.07%) Microservices
7 33 (14.73%) Test Automation
8 29 (12.95%) Scrum
9 28 (12.50%) Low Latency
10 27 (12.05%) E-Commerce
11 26 (11.61%) Front End Development
12 25 (11.16%) BDD
13 23 (10.27%) Electronic Trading
13 23 (10.27%) Open Source Development
14 22 (9.82%) Multithreading
14 22 (9.82%) OO
15 21 (9.38%) Client Onboarding
15 21 (9.38%) Problem-Solving
16 17 (7.59%) Software Engineering
17 16 (7.14%) Mentoring
Programming Languages
1 114 (50.89%) Java
2 69 (30.80%) Python
3 46 (20.54%) JavaScript
4 30 (13.39%) Scala
4 30 (13.39%) SQL
5 17 (7.59%) Groovy
6 16 (7.14%) C#
6 16 (7.14%) Java 8
7 13 (5.80%) Ruby
8 10 (4.46%) Bash Shell
9 8 (3.57%) Go
9 8 (3.57%) R
10 6 (2.68%) Kotlin
10 6 (2.68%) Perl
10 6 (2.68%) TypeScript
11 5 (2.23%) C++
11 5 (2.23%) ES6
12 4 (1.79%) Shell Script
13 3 (1.34%) PHP
14 2 (0.89%) PL/SQL
Qualifications
1 11 (4.91%) Degree
2 10 (4.46%) Security Cleared
3 4 (1.79%) Computer Science Degree
3 4 (1.79%) SC Cleared
4 3 (1.34%) ISTQB
4 3 (1.34%) ISTQB Advanced Certification
4 3 (1.34%) ITIL Certification
5 1 (0.45%) AWS Certification
5 1 (0.45%) Master's Degree
5 1 (0.45%) PhD
Quality Assurance & Compliance
1 16 (7.14%) QA
2 3 (1.34%) Disclosure Scotland
2 3 (1.34%) FedRAMP
2 3 (1.34%) GDPR
3 2 (0.89%) Data Quality
4 1 (0.45%) FISMA
4 1 (0.45%) HIPAA
4 1 (0.45%) ISO 20022
System Software
1 54 (24.11%) Docker
2 19 (8.48%) VMware Infrastructure
3 10 (4.46%) Virtual Desktop
4 6 (2.68%) vSphere
5 3 (1.34%) Apache Flume
5 3 (1.34%) HDFS
5 3 (1.34%) VirtualBox
6 2 (0.89%) Varnish
6 2 (0.89%) Virtual Servers
7 1 (0.45%) Active Directory
7 1 (0.45%) Apache ZooKeeper
7 1 (0.45%) etcd
7 1 (0.45%) Xen
Systems Management
1 40 (17.86%) Kubernetes
2 30 (13.39%) Ansible
3 22 (9.82%) Opscode Chef
4 21 (9.38%) Terraform
5 17 (7.59%) Puppet
6 10 (4.46%) vCenter Server
7 4 (1.79%) Consul
8 3 (1.34%) Ambari
8 3 (1.34%) Hadoop YARN
8 3 (1.34%) Oozie
8 3 (1.34%) Prometheus
9 2 (0.89%) Packer
9 2 (0.89%) rkt
9 2 (0.89%) Suricata
10 1 (0.45%) collectd
10 1 (0.45%) Docker Swarm
10 1 (0.45%) Fluentd
10 1 (0.45%) Grafana
10 1 (0.45%) Graphite
10 1 (0.45%) HAProxy
Vendors
1 21 (9.38%) Microsoft
2 19 (8.48%) VMware
3 14 (6.25%) Google
4 11 (4.91%) Terracotta
5 10 (4.46%) Citrix
5 10 (4.46%) Oracle
5 10 (4.46%) Wyse
6 6 (2.68%) Red Hat
7 4 (1.79%) Perfecto Mobile
7 4 (1.79%) Splunk
7 4 (1.79%) Talend
8 3 (1.34%) IBM
8 3 (1.34%) Juniper
8 3 (1.34%) Tableau
9 2 (0.89%) Black Duck
9 2 (0.89%) Cisco
9 2 (0.89%) iManage
9 2 (0.89%) ION Trading
9 2 (0.89%) SOASTA, Inc
9 2 (0.89%) Sybase