Period
to 21 November 2019

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 21 November 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
England > London
6 months to
21 Nov 2019
Same period 2018 Same period 2017
Rank 109 82 88
Rank change year-on-year -27 +6 -6
Contract jobs citing Open Source 845 1,425 1,441
As % of all contract IT jobs advertised in London 2.37% 3.07% 3.06%
As % of the Processes & Methodologies category 2.70% 3.48% 3.46%
Number of daily rates quoted 572 1,014 1,114
London median daily rate £573 £550 £535
Median daily rate % change year-on-year +4.09% +2.80% +7.00%
10th Percentile £439 £406 £400
90th Percentile £725 £713 £675
England median daily rate £550 £525 £500
% change year-on-year +4.76% +5.00% +4.17%
Number of hourly rates quoted 5 3 1
London median hourly rate £35.00 £35.00 £35.00
England median hourly rate £35.00 £35.00 £35.00

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 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 31,255 40,986 41,643
As % of all contract IT jobs advertised in London 87.74% 88.25% 88.46%
Number of daily rates quoted 22,405 29,577 30,212
London median daily rate £513 £500 £500
Median daily rate % change year-on-year +2.50% - +5.26%
10th Percentile £325 £325 £313
90th Percentile £688 £675 £669
England median daily rate £475 £475 £450
% change year-on-year - +5.56% +5.88%
Number of hourly rates quoted 406 477 397
London median hourly rate £24.12 £23.50 £22.50
Median hourly rate % change year-on-year +2.64% +4.44% +3.38%
10th Percentile £12.44 £13.24 £13.34
90th Percentile £53.75 £55.57 £50.00
England median hourly rate £23.69 £22.00 £23.14
% change year-on-year +7.67% -4.93% +0.61%

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 21 November 2019.

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 21 November 2019.

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 21 November 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
Central London -16 163 £550 +4.76% 85
South London -8 35 £519 -1.19% 8
West London -12 17 £375 -31.82% 28
East London -6 11 £563 - 17
Open Source
England

For the 6 months to 21 November 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 London region with a requirement for Open Source.

1 432 (51.12%) Agile Software Development
2 369 (43.67%) Java
3 328 (38.82%) AWS
4 320 (37.87%) Python
5 282 (33.37%) DevOps
6 248 (29.35%) JavaScript
7 229 (27.10%) Linux
8 208 (24.62%) Docker
9 186 (22.01%) Git (software)
10 175 (20.71%) Jenkins
11 173 (20.47%) Microservices
12 171 (20.24%) Web Services
13 170 (20.12%) Security Cleared
14 168 (19.88%) AngularJS
15 156 (18.46%) Kubernetes
16 154 (18.22%) TDD
17 152 (17.99%) Finance
18 141 (16.69%) Azure
19 133 (15.74%) Spring
20 130 (15.38%) SC Cleared
21 124 (14.67%) Ansible
22 122 (14.44%) SQL
23 121 (14.32%) React
24 120 (14.20%) Software Engineering
25 115 (13.61%) Continuous Integration
26 114 (13.49%) Scrum
26 114 (13.49%) Terraform
27 111 (13.14%) Node.js
28 110 (13.02%) Test Automation
29 105 (12.43%) REST

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 58 (6.86%) Apache Spark
2 48 (5.68%) Elasticsearch
3 45 (5.33%) Confluence
4 27 (3.20%) Apache
5 21 (2.49%) Tomcat
6 19 (2.25%) ArcGIS
6 19 (2.25%) nginx
7 16 (1.89%) GeoServer
8 14 (1.66%) Cloud Foundry
9 12 (1.42%) IIS
10 11 (1.30%) Drupal
10 11 (1.30%) WebLogic
11 9 (1.07%) Jupyter
11 9 (1.07%) SAS
12 8 (0.95%) OpenStack
13 6 (0.71%) BizTalk Server
13 6 (0.71%) CMS
13 6 (0.71%) Hyperledger
14 5 (0.59%) Apache Airflow
14 5 (0.59%) Ethereum
Applications
1 9 (1.07%) Microsoft Excel
2 7 (0.83%) SPSS
3 3 (0.36%) Microsoft PowerPoint
4 1 (0.12%) MS Visio
Business Applications
1 9 (1.07%) FINCAD Analytics
2 6 (0.71%) R3 Corda
3 5 (0.59%) Distributed Ledger
4 2 (0.24%) Oracle Cash Management
5 1 (0.12%) NetSuite
5 1 (0.12%) SAP S/4HANA
Cloud Services
1 328 (38.82%) AWS
2 141 (16.69%) Azure
3 77 (9.11%) GCP
4 74 (8.76%) Serverless
5 69 (8.17%) Amazon EC2
6 63 (7.46%) GitHub
7 51 (6.04%) AWS Lambda
8 46 (5.44%) Amazon S3
9 43 (5.09%) OpenShift
10 37 (4.38%) Cloud Computing
10 37 (4.38%) PaaS
11 34 (4.02%) Amazon SQS
12 24 (2.84%) AWS CloudFormation
12 24 (2.84%) npm
13 21 (2.49%) Virtual Private Cloud
14 17 (2.01%) Slack
15 16 (1.89%) Amazon ECS
16 14 (1.66%) SaaS
17 11 (1.30%) Datadog
18 10 (1.18%) AWS Elastic Beanstalk
Communications & Networking
1 25 (2.96%) Network Security
2 23 (2.72%) Firewall
3 22 (2.60%) HTTP
4 20 (2.37%) Internet
5 17 (2.01%) TCP/IP
6 16 (1.89%) Kerberos
7 15 (1.78%) WAN
8 14 (1.66%) Intrusion Detection
9 12 (1.42%) VPN
10 11 (1.30%) FTP
11 10 (1.18%) SSL
12 8 (0.95%) DNS
13 7 (0.83%) DHCP
14 5 (0.59%) AMQP
14 5 (0.59%) Peer-to-Peer Networking
15 4 (0.47%) Reverse Proxy
15 4 (0.47%) VoIP
16 3 (0.36%) IPsec
16 3 (0.36%) SAN
16 3 (0.36%) SMTP
Database & Business Intelligence
1 79 (9.35%) PostgreSQL
2 75 (8.88%) NoSQL
3 65 (7.69%) Big Data
4 62 (7.34%) Amazon RDS
5 59 (6.98%) MySQL
6 58 (6.86%) Hadoop
7 50 (5.92%) MongoDB
8 45 (5.33%) SQL Server
9 40 (4.73%) Amazon Redshift
10 38 (4.50%) Relational Database
11 20 (2.37%) Apache Cassandra
12 18 (2.13%) Data Warehouse
13 17 (2.01%) Blockchain
13 17 (2.01%) Geospatial Data
13 17 (2.01%) GIS
14 16 (1.89%) QGIS
15 14 (1.66%) Amazon DynamoDB
15 14 (1.66%) KDB
16 11 (1.30%) Amazon Athena
17 10 (1.18%) Amazon Aurora
Development Applications
1 186 (22.01%) Git (software)
2 175 (20.71%) Jenkins
3 96 (11.36%) Maven
4 65 (7.69%) JIRA
5 53 (6.27%) JUnit
6 47 (5.56%) Mockito
7 44 (5.21%) Gradle
8 39 (4.62%) SonarQube
9 35 (4.14%) Selenium
10 27 (3.20%) Cucumber
11 26 (3.08%) Artifactory
11 26 (3.08%) Bitbucket
11 26 (3.08%) Travis CI
12 22 (2.60%) Subversion
13 21 (2.49%) jMock
14 20 (2.37%) DbUnit
15 19 (2.25%) GitLab
15 19 (2.25%) gulp
16 18 (2.13%) Sonatype Nexus
17 16 (1.89%) Jasmine
General
1 152 (17.99%) Finance
2 64 (7.57%) Front Office
3 54 (6.39%) Banking
4 45 (5.33%) Public Sector
5 25 (2.96%) Marketing
6 15 (1.78%) Investment Banking
7 12 (1.42%) Retail
8 11 (1.30%) Law
8 11 (1.30%) Retail Banking
9 10 (1.18%) Pharmaceutical
10 9 (1.07%) Games
10 9 (1.07%) Publishing
11 7 (0.83%) Financial Institution
11 7 (0.83%) Legal
12 6 (0.71%) Advertising
12 6 (0.71%) Telecoms
13 5 (0.59%) Electronics
14 4 (0.47%) Manufacturing
15 2 (0.24%) Music Industry
16 1 (0.12%) Automotive
Job Titles
1 361 (42.72%) Developer
2 145 (17.16%) Architect
3 111 (13.14%) Java Developer
4 95 (11.24%) DevOps Engineer
5 82 (9.70%) React Developer
6 62 (7.34%) Full Stack Developer
7 55 (6.51%) Senior Developer
8 50 (5.92%) JavaScript Developer
9 48 (5.68%) Front End Developer (Client-Side Developer)
10 46 (5.44%) Technical Architect
11 38 (4.50%) UI Developer
12 37 (4.38%) Data Engineer
13 36 (4.26%) Java Developer - Fintech
14 35 (4.14%) Angular Developer
14 35 (4.14%) Data Scientist
15 33 (3.91%) Python Developer
16 32 (3.79%) Software Engineer
17 28 (3.31%) AWS Engineer
18 27 (3.20%) AWS Developer
19 26 (3.08%) Solutions Architect
Libraries, Frameworks & Software Standards
1 171 (20.24%) Web Services
2 168 (19.88%) AngularJS
3 133 (15.74%) Spring
4 121 (14.32%) React
5 111 (13.14%) Node.js
6 105 (12.43%) REST
7 91 (10.77%) CSS
7 91 (10.77%) HTML
8 80 (9.47%) RESTful
9 78 (9.23%) JSON
10 71 (8.40%) Kafka
11 66 (7.81%) Spring Boot
12 49 (5.80%) SOAP
13 42 (4.97%) J2EE
14 38 (4.50%) HTML5
15 37 (4.38%) .NET
15 37 (4.38%) RabbitMQ
16 31 (3.67%) Django
16 31 (3.67%) Redux
17 29 (3.43%) XML
Miscellaneous
1 103 (12.19%) Greenfield Project
2 66 (7.81%) User Experience
3 49 (5.80%) Fixed Income
4 43 (5.09%) Algorithms
4 43 (5.09%) Analytical Skills
5 37 (4.38%) Blog
6 35 (4.14%) Data Centre
7 34 (4.02%) Derivative
8 29 (3.43%) Public Cloud
9 27 (3.20%) Data Structures
10 21 (2.49%) Equities
11 18 (2.13%) Foreign Exchange (FX)
12 17 (2.01%) Linux Command Line
13 14 (1.66%) Hedge funds
14 12 (1.42%) BYOD
14 12 (1.42%) Enterprise Cloud
15 11 (1.30%) Management Information System
16 10 (1.18%) Bitcoin
17 9 (1.07%) Cloud Native
18 8 (0.95%) NHS
Operating Systems
1 229 (27.10%) Linux
2 49 (5.80%) Red Hat Enterprise Linux
3 34 (4.02%) Unix
4 31 (3.67%) Windows
5 17 (2.01%) Ubuntu
6 11 (1.30%) CentOS
7 9 (1.07%) Android
7 9 (1.07%) Debian
7 9 (1.07%) Mac OS X
8 6 (0.71%) Kali Linux
8 6 (0.71%) Mac OS
9 5 (0.59%) Apple iOS
9 5 (0.59%) Windows Server
10 4 (0.47%) SUSE Linux Enterprise Server
11 2 (0.24%) Solaris
11 2 (0.24%) VMS
11 2 (0.24%) Windows Server 2003
11 2 (0.24%) Windows Server 2008
12 1 (0.12%) CoreOS
12 1 (0.12%) SUSE
Processes & Methodologies
1 432 (51.12%) Agile Software Development
2 282 (33.37%) DevOps
3 173 (20.47%) Microservices
4 154 (18.22%) TDD
5 120 (14.20%) Software Engineering
6 115 (13.61%) Continuous Integration
7 114 (13.49%) Scrum
8 110 (13.02%) Test Automation
9 84 (9.94%) Continuous Delivery
10 83 (9.82%) BDD
11 82 (9.70%) Data Science
12 81 (9.59%) Front End Development
13 73 (8.64%) Analytics
13 73 (8.64%) Configuration Management
14 72 (8.52%) OO
15 60 (7.10%) Computer Science
16 57 (6.75%) Kanban
17 56 (6.63%) Data Management
17 56 (6.63%) Migration
18 54 (6.39%) Asset Management
Programming Languages
1 369 (43.67%) Java
2 320 (37.87%) Python
3 248 (29.35%) JavaScript
4 122 (14.44%) SQL
5 83 (9.82%) ES6
6 82 (9.70%) C#
6 82 (9.70%) Java 8
7 81 (9.59%) Ruby
8 59 (6.98%) C++
9 54 (6.39%) Scala
10 46 (5.44%) Bash Shell
10 46 (5.44%) Perl
11 36 (4.26%) TypeScript
12 32 (3.79%) R
12 32 (3.79%) Shell Script
13 28 (3.31%) Go
14 21 (2.49%) PHP
15 20 (2.37%) PowerShell
16 18 (2.13%) Groovy
17 11 (1.30%) Kotlin
Qualifications
1 170 (20.12%) Security Cleared
2 130 (15.38%) SC Cleared
3 74 (8.76%) Degree
4 23 (2.72%) RHCE
5 21 (2.49%) AWS Certification
6 20 (2.37%) PhD
7 19 (2.25%) Master's Degree
8 14 (1.66%) DV Cleared
9 12 (1.42%) OSCP
10 11 (1.30%) Computer Science Degree
11 10 (1.18%) CEH
12 8 (0.95%) ISEB
12 8 (0.95%) ISTQB
13 6 (0.71%) CISSP
13 6 (0.71%) GPEN
13 6 (0.71%) SANS
14 5 (0.59%) BPSS Clearance
14 5 (0.59%) CREST Certified
14 5 (0.59%) GWAPT
14 5 (0.59%) OSCE
Quality Assurance & Compliance
1 42 (4.97%) QA
2 5 (0.59%) WCAG
3 2 (0.24%) Data Quality
3 2 (0.24%) PCI DSS
3 2 (0.24%) PMO
4 1 (0.12%) COBIT
4 1 (0.12%) Disclosure Scotland
4 1 (0.12%) GDPR
4 1 (0.12%) ISO/IEC 27001
4 1 (0.12%) NCSC
4 1 (0.12%) NIST
4 1 (0.12%) TARGET2
System Software
1 208 (24.62%) Docker
2 21 (2.49%) VMware Infrastructure
3 18 (2.13%) vSphere
4 7 (0.83%) Virtual Machines
5 5 (0.59%) Active Directory
6 4 (0.47%) HDFS
7 3 (0.36%) Postfix
8 2 (0.24%) Apache ZooKeeper
8 2 (0.24%) Hyper-V
8 2 (0.24%) NFS
8 2 (0.24%) Varnish
8 2 (0.24%) Veritas Cluster Server
8 2 (0.24%) Veritas Volume Manager
9 1 (0.12%) Apache Flume
9 1 (0.12%) etcd
9 1 (0.12%) iptables
9 1 (0.12%) KVM
9 1 (0.12%) Sendmail
9 1 (0.12%) VMware ESXi
Systems Management
1 156 (18.46%) Kubernetes
2 124 (14.67%) Ansible
3 114 (13.49%) Terraform
4 70 (8.28%) Puppet
5 55 (6.51%) Opscode Chef
6 17 (2.01%) Packer
7 15 (1.78%) Consul
7 15 (1.78%) Kibana
8 14 (1.66%) Grafana
8 14 (1.66%) Suricata
9 12 (1.42%) Prometheus
10 10 (1.18%) Nessus
10 10 (1.18%) Nmap
11 8 (0.95%) logstash
12 7 (0.83%) Salt
12 7 (0.83%) Single Sign-On
13 5 (0.59%) BMC PATROL
13 5 (0.59%) collectd
13 5 (0.59%) Graphite
13 5 (0.59%) Zipkin
Vendors
1 69 (8.17%) Oracle
2 56 (6.63%) Microsoft
3 50 (5.92%) Google
4 27 (3.20%) Red Hat
5 25 (2.96%) Splunk
6 23 (2.72%) VMware
7 19 (2.25%) ESRI
8 15 (1.78%) Qualys
8 15 (1.78%) ServiceNow
9 12 (1.42%) TIBCO
10 10 (1.18%) Bloomberg
10 10 (1.18%) HP
11 9 (1.07%) Databricks
11 9 (1.07%) IBM
12 7 (0.83%) BMC
12 7 (0.83%) New Relic
12 7 (0.83%) SAP
13 5 (0.59%) Cloudera
13 5 (0.59%) SevOne
13 5 (0.59%) Tableau