Period
to 21 March 2019

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 21 March 2019 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
21 Mar 2019
Same period 2018 Same period 2017
Rank 78 113 88
Rank change year-on-year +35 -25 +33
Contract jobs citing Open Source 194 156 175
As % of all contract IT jobs advertised in the City of London 2.87% 2.19% 2.91%
As % of the Processes & Methodologies category 3.24% 2.46% 3.31%
Number of daily rates quoted 143 144 151
City of London median daily rate £525 £525 £525
10th Percentile £363 £404 £375
90th Percentile £775 £675 £650
Central London median daily rate £525 £536 £525
% change year-on-year -2.10% +2.14% -
Number of hourly rates quoted 0 1 0
City of London median hourly rate - £44.50 -
Central London median hourly rate - £44.50 -

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 5,996 6,334 5,294
As % of all contract IT jobs advertised in the City of London 88.79% 89.07% 87.97%
Number of daily rates quoted 4,633 5,031 4,154
City of London median daily rate £525 £513 £500
Median daily rate % change year-on-year +2.44% +2.50% +5.26%
10th Percentile £325 £331 £313
90th Percentile £675 £690 £674
Central London median daily rate £525 £500 £475
% change year-on-year +5.00% +5.26% +2.70%
Number of hourly rates quoted 54 83 49
City of London median hourly rate £22.25 £20.50 £19.00
Median hourly rate % change year-on-year +8.54% +7.89% -11.10%
10th Percentile £13.00 £11.81 £13.50
90th Percentile £42.13 £41.30 £49.00
Central London median hourly rate £21.50 £21.50 £19.00
% change year-on-year - +13.16% -10.97%

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 21 March 2019.

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 21 March 2019. 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 - 7 £525 -
London Bridge - 1 £550 -
Open Source
Central London

For the 6 months to 21 March 2019, 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.

1 125 (64.43%) Agile Software Development
2 115 (59.28%) Java
3 64 (32.99%) Banking
4 61 (31.44%) Python
5 54 (27.84%) DevOps
6 51 (26.29%) Docker
7 50 (25.77%) Jenkins
7 50 (25.77%) Amazon AWS
8 45 (23.20%) Continuous Integration
9 44 (22.68%) Continuous Delivery
9 44 (22.68%) Spring
9 44 (22.68%) Greenfield Project
10 40 (20.62%) JavaScript
11 38 (19.59%) Finance
11 38 (19.59%) Microservices
12 37 (19.07%) Kubernetes
13 35 (18.04%) Git (software)
13 35 (18.04%) TDD
14 32 (16.49%) HTML
15 31 (15.98%) Test Automation
15 31 (15.98%) REST
16 30 (15.46%) Linux
17 28 (14.43%) SQL
18 26 (13.40%) E-Commerce
18 26 (13.40%) Maven
18 26 (13.40%) Scala
19 23 (11.86%) NoSQL
19 23 (11.86%) Investment Banking
19 23 (11.86%) Fixed Income
19 23 (11.86%) J2EE

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 13 (6.70%) Apache Spark
2 11 (5.67%) Elasticsearch
3 10 (5.15%) nginx
4 9 (4.64%) Apache
5 8 (4.12%) Confluence
6 5 (2.58%) Tomcat
7 4 (2.06%) Cloud Foundry
7 4 (2.06%) OpenStack
7 4 (2.06%) WebSphere
8 3 (1.55%) IIS
8 3 (1.55%) Jetty
8 3 (1.55%) Mongrel
9 2 (1.03%) Drupal
9 2 (1.03%) Ethereum
9 2 (1.03%) Hyperledger
9 2 (1.03%) JBoss
9 2 (1.03%) WebLogic
10 1 (0.52%) ArcGIS
10 1 (0.52%) SharePoint
10 1 (0.52%) WebSphere Application Server
Applications
1 2 (1.03%) Microsoft Excel
2 1 (0.52%) Microsoft Office
Business Applications
1 2 (1.03%) MultiChain
1 2 (1.03%) Quorum
2 1 (0.52%) Dynamics NAV
2 1 (0.52%) SAP ERP
2 1 (0.52%) SAP Oil and Gas
2 1 (0.52%) SAP S/4HANA
Cloud Services
1 50 (25.77%) Amazon AWS
2 18 (9.28%) Microsoft Azure
3 12 (6.19%) Amazon EC2
4 9 (4.64%) Google Cloud Platform
5 6 (3.09%) GitHub
5 6 (3.09%) PaaS
6 5 (2.58%) SaaS
7 4 (2.06%) Google App Engine
8 3 (1.55%) AWS Lambda
8 3 (1.55%) Datadog
8 3 (1.55%) Serverless
9 2 (1.03%) Amazon S3
9 2 (1.03%) Apigee
9 2 (1.03%) Office 365
10 1 (0.52%) AWS CloudFormation
10 1 (0.52%) Azure Active Directory
10 1 (0.52%) CloudFront
10 1 (0.52%) Google Drive
10 1 (0.52%) Mimecast
10 1 (0.52%) Trello
Communications & Networking
1 9 (4.64%) HTTP
2 5 (2.58%) TCP/IP
3 4 (2.06%) SSL
4 3 (1.55%) DHCP
4 3 (1.55%) DNS
4 3 (1.55%) FTP
4 3 (1.55%) IPsec
5 2 (1.03%) HTTPS
5 2 (1.03%) Internet
6 1 (0.52%) Fibre Channel
6 1 (0.52%) PBX
6 1 (0.52%) SAN
6 1 (0.52%) Skype
Database & Business Intelligence
1 23 (11.86%) NoSQL
2 17 (8.76%) Big Data
3 16 (8.25%) MongoDB
4 12 (6.19%) PostgreSQL
5 10 (5.15%) Hadoop
6 9 (4.64%) SQL Server
7 7 (3.61%) Redis
8 6 (3.09%) MySQL
9 4 (2.06%) Apache Cassandra
9 4 (2.06%) Apache Hive
9 4 (2.06%) Data Mining
10 3 (1.55%) Flink
10 3 (1.55%) Power BI
10 3 (1.55%) Relational Database
11 2 (1.03%) Amazon Aurora
11 2 (1.03%) Amazon Redshift
11 2 (1.03%) Blockchain
11 2 (1.03%) Cosmos DB
11 2 (1.03%) Data Lake
11 2 (1.03%) HBase
Development Applications
1 50 (25.77%) Jenkins
2 35 (18.04%) Git (software)
3 26 (13.40%) Maven
4 17 (8.76%) Gradle
5 15 (7.73%) JUnit
6 13 (6.70%) JIRA
7 11 (5.67%) Mockito
7 11 (5.67%) Selenium
8 10 (5.15%) SonarQube
9 9 (4.64%) Cucumber
10 7 (3.61%) jMock
11 6 (3.09%) Bitbucket
11 6 (3.09%) DbUnit
12 5 (2.58%) Gatling
12 5 (2.58%) JMeter
13 4 (2.06%) Appium
13 4 (2.06%) GoCD
13 4 (2.06%) Log4Net
13 4 (2.06%) Travis CI
14 3 (1.55%) TestNG
General
1 64 (32.99%) Banking
2 38 (19.59%) Finance
3 23 (11.86%) Investment Banking
4 21 (10.82%) Front Office
5 4 (2.06%) Retail Banking
6 2 (1.03%) Legal
6 2 (1.03%) Retail
7 1 (0.52%) Law
7 1 (0.52%) Marketing
Job Titles
1 90 (46.39%) Developer
2 55 (28.35%) Java Developer
3 26 (13.40%) DevOps Engineer
4 22 (11.34%) Java Engineer
5 19 (9.79%) Front Office Developer
6 16 (8.25%) Kubernetes Engineer
7 12 (6.19%) J2EE Developer
7 12 (6.19%) Java/J2EE Developer
8 11 (5.67%) Architect
8 11 (5.67%) Cloud Engineer
9 10 (5.15%) Senior Developer
9 10 (5.15%) Software Engineer
10 9 (4.64%) Analyst
11 7 (3.61%) Senior Java Developer
12 5 (2.58%) ITIL Service Analyst
12 5 (2.58%) ITIL Service Desk Analyst
12 5 (2.58%) Linux Engineer
12 5 (2.58%) Service Analyst
12 5 (2.58%) Service Desk Analyst
13 4 (2.06%) Data Engineer
Libraries, Frameworks & Software Standards
1 44 (22.68%) Spring
2 32 (16.49%) HTML
3 31 (15.98%) REST
4 23 (11.86%) J2EE
5 20 (10.31%) Node.js
5 20 (10.31%) RESTful
6 15 (7.73%) Java EE
6 15 (7.73%) Web Services
7 14 (7.22%) .NET
7 14 (7.22%) Kafka
7 14 (7.22%) Spring Boot
8 13 (6.70%) JMS
9 12 (6.19%) CSS
9 12 (6.19%) DHTML
9 12 (6.19%) Ehcache
9 12 (6.19%) HTML5
10 11 (5.67%) JSON
11 10 (5.15%) SOAP
12 9 (4.64%) Hibernate
13 8 (4.12%) Java Concurrency
Miscellaneous
1 44 (22.68%) Greenfield Project
2 23 (11.86%) Fixed Income
3 15 (7.73%) iPad
4 10 (5.15%) Analytical Skills
5 8 (4.12%) Algorithms
5 8 (4.12%) User Experience
6 6 (3.09%) Cloud Native
7 5 (2.58%) Fintech
7 5 (2.58%) Foreign Exchange (FX)
7 5 (2.58%) Mobile App
8 3 (1.55%) Blog
8 3 (1.55%) Data Structures
8 3 (1.55%) Hedge funds
8 3 (1.55%) NHS
8 3 (1.55%) Public Cloud
9 2 (1.03%) Bitcoin
9 2 (1.03%) Internet of Things
9 2 (1.03%) N-Tier
9 2 (1.03%) Private Cloud
9 2 (1.03%) Taxonomies
Operating Systems
1 30 (15.46%) Linux
2 10 (5.15%) Unix
3 9 (4.64%) Windows
4 6 (3.09%) Android
5 5 (2.58%) Windows 7
5 5 (2.58%) Windows 8
6 2 (1.03%) Apple iOS
6 2 (1.03%) Red Hat Enterprise Linux
6 2 (1.03%) Ubuntu
6 2 (1.03%) Windows Server
7 1 (0.52%) CentOS
7 1 (0.52%) Windows 10
Processes & Methodologies
1 125 (64.43%) Agile Software Development
2 54 (27.84%) DevOps
3 45 (23.20%) Continuous Integration
4 44 (22.68%) Continuous Delivery
5 38 (19.59%) Microservices
6 35 (18.04%) TDD
7 31 (15.98%) Test Automation
8 26 (13.40%) E-Commerce
9 22 (11.34%) Low Latency
10 21 (10.82%) Multithreading
11 20 (10.31%) BDD
11 20 (10.31%) Client Onboarding
11 20 (10.31%) Front End Development
12 19 (9.79%) Electronic Trading
12 19 (9.79%) Mentoring
12 19 (9.79%) OO
13 17 (8.76%) Scrum
14 16 (8.25%) Problem-Solving
14 16 (8.25%) Software Engineering
15 15 (7.73%) Open Source Development
Programming Languages
1 115 (59.28%) Java
2 61 (31.44%) Python
3 40 (20.62%) JavaScript
4 28 (14.43%) SQL
5 26 (13.40%) Scala
6 19 (9.79%) C#
7 16 (8.25%) Groovy
8 12 (6.19%) Java 8
9 10 (5.15%) Ruby
10 9 (4.64%) Go
11 6 (3.09%) Bash Shell
11 6 (3.09%) PowerShell
12 4 (2.06%) Perl
12 4 (2.06%) PHP
12 4 (2.06%) R
13 3 (1.55%) ES6
13 3 (1.55%) Kotlin
13 3 (1.55%) TypeScript
14 2 (1.03%) T-SQL
15 1 (0.52%) VBScript
Qualifications
1 7 (3.61%) Degree
1 7 (3.61%) Security Cleared
2 4 (2.06%) ITIL Certification
3 3 (1.55%) Master's Degree
3 3 (1.55%) SC Cleared
4 2 (1.03%) ISTQB
4 2 (1.03%) ISTQB Advanced Certification
5 1 (0.52%) AWS Certification
5 1 (0.52%) CHECK Team Member
5 1 (0.52%) PhD
5 1 (0.52%) RHCA
5 1 (0.52%) RHCE
Quality Assurance & Compliance
1 8 (4.12%) QA
2 3 (1.55%) HL7
3 2 (1.03%) Data Quality
4 1 (0.52%) FedRAMP
4 1 (0.52%) FISMA
4 1 (0.52%) GDPR
4 1 (0.52%) HIPAA
System Software
1 51 (26.29%) Docker
2 14 (7.22%) VMware Infrastructure
3 6 (3.09%) vSphere
4 5 (2.58%) Virtual Desktop
5 3 (1.55%) Xen
6 1 (0.52%) Active Directory
6 1 (0.52%) Apache ZooKeeper
6 1 (0.52%) etcd
6 1 (0.52%) NFS
6 1 (0.52%) Varnish
6 1 (0.52%) Virtual Machines
6 1 (0.52%) VMware ESXi
Systems Management
1 37 (19.07%) Kubernetes
2 19 (9.79%) Terraform
3 18 (9.28%) Ansible
4 16 (8.25%) Opscode Chef
5 13 (6.70%) Puppet
6 6 (3.09%) vCenter Server
7 5 (2.58%) Consul
8 4 (2.06%) Grafana
9 3 (1.55%) Kibana
10 2 (1.03%) Graphite
10 2 (1.03%) Packer
10 2 (1.03%) rkt
11 1 (0.52%) collectd
11 1 (0.52%) Docker Swarm
11 1 (0.52%) Fluentd
11 1 (0.52%) HAProxy
11 1 (0.52%) logstash
11 1 (0.52%) Prometheus
11 1 (0.52%) StatsD
11 1 (0.52%) Suricata
Vendors
1 17 (8.76%) Microsoft
2 15 (7.73%) VMware
3 13 (6.70%) Google
4 12 (6.19%) Terracotta
5 5 (2.58%) Citrix
5 5 (2.58%) Wyse
6 4 (2.06%) Bloomberg
6 4 (2.06%) Perfecto Mobile
7 2 (1.03%) IBM
7 2 (1.03%) Oracle
7 2 (1.03%) Rackspace
7 2 (1.03%) Red Hat
7 2 (1.03%) Splunk
7 2 (1.03%) webMethods
8 1 (0.52%) Alteryx
8 1 (0.52%) Cloudera
8 1 (0.52%) MapR
8 1 (0.52%) New Relic
8 1 (0.52%) SaltStack
8 1 (0.52%) ServiceNow