Period
to 21 May 2019

The following table provides summary statistics for permanent job vacancies advertised in London with a requirement for Open Source skills. Included is a benchmarking guide to the salaries offered in vacancies that have cited Open Source over the 6 months to 21 May 2019 with a comparison to the same period in the previous 2 years.

Open Source
England > London
6 months to
21 May 2019
Same period 2018 Same period 2017
Rank 97 90 92
Rank change year-on-year -7 +2 -9
Permanent jobs citing Open Source 1,933 2,380 2,271
As % of all permanent IT jobs advertised in London 3.31% 3.46% 3.33%
As % of the Processes & Methodologies category 3.59% 3.73% 3.61%
Number of salaries quoted 1,477 1,844 1,860
London median annual salary £70,000 £67,500 £67,500
Median salary % change year-on-year +3.70% - +8.00%
10th Percentile £42,500 £42,575 £40,000
90th Percentile £97,500 £100,000 £97,500
England median annual salary £60,000 £59,000 £57,500
% change year-on-year +1.69% +2.61% +2.68%

Open Source is in the Processes and Methodologies category. The following table is for comparison with the above and provides summary statistics for all permanent job vacancies advertised in London with a requirement for process or methodology skills.

All Process and Methodology Skills
London
Permanent vacancies with a requirement for process or methodology skills 53,776 63,860 62,897
As % of all permanent IT jobs advertised in London 92.21% 92.72% 92.36%
Number of salaries quoted 43,391 51,719 52,231
London median annual salary £65,000 £60,000 £60,000
Median salary % change year-on-year +8.33% - +9.09%
10th Percentile £36,250 £35,250 £34,075
90th Percentile £96,250 £93,750 £90,000
England median annual salary £52,500 £50,000 £50,000
% change year-on-year +5.00% - +5.26%

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
Salary Trend in London

This chart provides the 3-month moving average for salaries quoted in permanent IT jobs citing Open Source in London.

Salary trend for Open Source in London

Open Source
Salary Histogram in London

The salary distribution of IT jobs citing Open Source in London over the 6 months to 21 May 2019.

Salary histogram for Open Source in London

Open Source
Job Locations in London

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Open Source within the London region over the 6 months to 21 May 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
Permanent
IT Job Ads
Median Salary
Past 6 Months
Median Salary
% Change
on Same Period
Last Year
Live
Job
Vacancies
Central London +18 350 £75,000 +7.14% 24
West London +37 62 £60,000 +12.15% 4
South London +15 54 £65,000 - 3
East London -4 6 £56,250 +17.19% 8
North London +10 2 £66,262 +10.44% 2
Open Source
England

For the 6 months to 21 May 2019, IT 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 permanent job ads across the London region with a requirement for Open Source.

1 1,052 (54.42%) Agile Software Development
2 831 (42.99%) Java
3 729 (37.71%) Python
4 659 (34.09%) DevOps
5 627 (32.44%) Amazon AWS
6 549 (28.40%) Linux
7 513 (26.54%) Finance
8 482 (24.94%) Docker
9 468 (24.21%) JavaScript
10 428 (22.14%) SQL
11 425 (21.99%) Software Engineering
12 388 (20.07%) Continuous Integration
13 378 (19.56%) Kubernetes
14 376 (19.45%) Microsoft Azure
15 321 (16.61%) TDD
16 315 (16.30%) Ansible
17 312 (16.14%) Test Automation
18 311 (16.09%) Scrum
19 307 (15.88%) Degree
20 304 (15.73%) Jenkins
21 283 (14.64%) C#
22 282 (14.59%) Git (software)
23 279 (14.43%) Microservices
24 265 (13.71%) BDD
25 252 (13.04%) .NET
26 250 (12.93%) Web Services
27 234 (12.11%) Configuration Management
28 232 (12.00%) Spring
29 225 (11.64%) Microsoft
29 225 (11.64%) Terraform

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
1 146 (7.55%) Apache
2 141 (7.29%) Apache Spark
3 116 (6.00%) Elasticsearch
4 54 (2.79%) Confluence
5 53 (2.74%) IIS
5 53 (2.74%) nginx
6 45 (2.33%) OpenStack
7 40 (2.07%) Tomcat
8 30 (1.55%) CMS
8 30 (1.55%) JBoss
9 27 (1.40%) Apache Solr
10 24 (1.24%) Apache Pig
10 24 (1.24%) SharePoint
10 24 (1.24%) WebLogic
11 20 (1.03%) Drupal
12 19 (0.98%) WebSphere
13 18 (0.93%) Cloud Foundry
14 16 (0.83%) Jetty
15 13 (0.67%) Apache ServiceMix
16 12 (0.62%) Anypoint
Applications
1 10 (0.52%) Microsoft Office
2 9 (0.47%) Microsoft Excel
3 7 (0.36%) MS Visio
4 6 (0.31%) Chatbot
5 3 (0.16%) LaTeX
5 3 (0.16%) Microsoft Project
6 2 (0.10%) Sketch
7 1 (0.052%) AutoCAD
7 1 (0.052%) HipChat
7 1 (0.052%) Microsoft PowerPoint
Business Applications
1 22 (1.14%) Distributed Ledger
2 10 (0.52%) Dynamics CRM
3 8 (0.41%) R3 Corda
4 7 (0.36%) Magento
5 4 (0.21%) Actimize
6 1 (0.052%) Quorum
6 1 (0.052%) SAP S/4HANA
6 1 (0.052%) Siebel CRM
6 1 (0.052%) Unica
Cloud Services
1 627 (32.44%) Amazon AWS
2 376 (19.45%) Microsoft Azure
3 184 (9.52%) Google Cloud Platform
4 120 (6.21%) Serverless
5 77 (3.98%) SaaS
6 76 (3.93%) AWS Lambda
6 76 (3.93%) GitHub
6 76 (3.93%) PaaS
7 67 (3.47%) Amazon EC2
8 59 (3.05%) Amazon S3
8 59 (3.05%) AWS CloudFormation
9 54 (2.79%) OpenShift
10 50 (2.59%) Amazon SQS
11 43 (2.22%) Cloud Computing
12 37 (1.91%) AWS Elastic Beanstalk
13 25 (1.29%) IaaS
13 25 (1.29%) Route 53
13 25 (1.29%) Slack
14 23 (1.19%) IBM Cloud
15 22 (1.14%) Office 365
Communications & Networking
1 70 (3.62%) TCP/IP
2 68 (3.52%) Firewall
3 56 (2.90%) DNS
4 35 (1.81%) Network Security
5 27 (1.40%) Internet
6 22 (1.14%) VPN
7 21 (1.09%) LAN
7 21 (1.09%) WAN
8 14 (0.72%) Wi-Fi
9 12 (0.62%) Asterisk PBX
9 12 (0.62%) HTTP
9 12 (0.62%) Skype
10 11 (0.57%) AMQP
11 10 (0.52%) SSL
12 9 (0.47%) FTP
12 9 (0.47%) SAN
13 8 (0.41%) SMTP
14 7 (0.36%) Intranet
15 6 (0.31%) DMZ
15 6 (0.31%) Wireless
Database & Business Intelligence
1 205 (10.61%) Big Data
2 193 (9.98%) PostgreSQL
3 187 (9.67%) SQL Server
4 167 (8.64%) MySQL
5 152 (7.86%) NoSQL
6 144 (7.45%) MongoDB
7 133 (6.88%) Hadoop
8 85 (4.40%) Relational Database
9 79 (4.09%) Redis
10 78 (4.04%) Data Warehouse
11 70 (3.62%) Amazon RDS
12 67 (3.47%) Blockchain
13 51 (2.64%) Apache Cassandra
14 40 (2.07%) SQL Server Integration Services
15 39 (2.02%) Amazon Redshift
16 37 (1.91%) Amazon DynamoDB
17 36 (1.86%) Apache Hive
18 35 (1.81%) HBase
18 35 (1.81%) RDBMS
19 34 (1.76%) Data Lake
Development Applications
1 304 (15.73%) Jenkins
2 282 (14.59%) Git (software)
3 149 (7.71%) Cucumber
4 114 (5.90%) JIRA
5 109 (5.64%) TeamCity
6 91 (4.71%) JUnit
7 85 (4.40%) Selenium
8 68 (3.52%) Bitbucket Server
9 62 (3.21%) GitLab
10 58 (3.00%) Visual Studio
11 53 (2.74%) Atlassian Bamboo
11 53 (2.74%) SpecFlow
11 53 (2.74%) Team Foundation Server
12 52 (2.69%) Octopus Deploy
13 50 (2.59%) NUnit
14 46 (2.38%) Maven
15 41 (2.12%) Appium
16 40 (2.07%) Travis CI
17 36 (1.86%) Vagrant
18 35 (1.81%) Artifactory
General
1 513 (26.54%) Finance
2 144 (7.45%) Banking
3 101 (5.23%) Marketing
4 99 (5.12%) Retail
5 97 (5.02%) Games
6 47 (2.43%) Telecoms
7 42 (2.17%) Law
8 33 (1.71%) Legal
9 17 (0.88%) Financial Institution
10 16 (0.83%) Back Office
11 14 (0.72%) Advertising
11 14 (0.72%) Front Office
12 11 (0.57%) Investment Banking
12 11 (0.57%) Manufacturing
13 10 (0.52%) Retail Banking
14 9 (0.47%) Electronics
15 7 (0.36%) French Language
16 6 (0.31%) German Language
16 6 (0.31%) Publishing
17 5 (0.26%) Automotive
Job Titles
1 686 (35.49%) Developer
2 232 (12.00%) Architect
3 203 (10.50%) Java Developer
4 198 (10.24%) DevOps Engineer
5 131 (6.78%) Software Engineer
6 114 (5.90%) Software Developer
7 96 (4.97%) Data Engineer
8 94 (4.86%) Senior Developer
9 89 (4.60%) Front End Developer (Client-Side Developer)
10 84 (4.35%) Solutions Architect
11 82 (4.24%) C# Developer
11 82 (4.24%) JavaScript Developer
12 79 (4.09%) Developer in Test
13 72 (3.72%) Consultant
14 70 (3.62%) .NET Developer
15 62 (3.21%) Senior DevOps
16 58 (3.00%) C# .NET Developer
17 57 (2.95%) Big Data Engineer
18 51 (2.64%) AWS Engineer
19 49 (2.53%) Administrator
Libraries, Frameworks & Software Standards
1 252 (13.04%) .NET
2 250 (12.93%) Web Services
3 232 (12.00%) Spring
4 208 (10.76%) Node.js
5 207 (10.71%) CSS
5 207 (10.71%) HTML
6 206 (10.66%) REST
7 198 (10.24%) AngularJS
8 178 (9.21%) React
9 160 (8.28%) Kafka
10 142 (7.35%) ASP.NET Web API
11 124 (6.41%) Spring Boot
12 122 (6.31%) RESTful
12 122 (6.31%) XML
13 121 (6.26%) JSON
14 112 (5.79%) ASP.NET
15 99 (5.12%) HTML5
16 94 (4.86%) Gherkin
17 74 (3.83%) Vue.js
18 67 (3.47%) Hibernate
Miscellaneous
1 177 (9.16%) Fintech
2 127 (6.57%) User Experience
3 108 (5.59%) Greenfield Project
4 96 (4.97%) Analytical Skills
5 92 (4.76%) Mobile App
6 81 (4.19%) Public Cloud
7 65 (3.36%) Algorithms
8 59 (3.05%) Cloud Native
9 50 (2.59%) Virtual Team
10 45 (2.33%) Hedge funds
11 43 (2.22%) Data Centre
12 42 (2.17%) Hybrid Cloud
13 40 (2.07%) Data Structures
14 39 (2.02%) Replication
15 38 (1.97%) Enterprise Software
16 36 (1.86%) Blog
16 36 (1.86%) Self-Motivation
17 31 (1.60%) Linux Command Line
18 30 (1.55%) Clustering
19 28 (1.45%) Wiki
Operating Systems
1 549 (28.40%) Linux
2 210 (10.86%) Windows
3 105 (5.43%) Unix
4 55 (2.85%) Ubuntu
5 50 (2.59%) CentOS
6 47 (2.43%) Android
7 44 (2.28%) Apple iOS
8 35 (1.81%) Red Hat Enterprise Linux
9 26 (1.35%) Mesosphere
10 18 (0.93%) Mac OS X
11 14 (0.72%) Debian
11 14 (0.72%) Windows 10
12 11 (0.57%) Windows Server
13 9 (0.47%) OpenBSD
13 9 (0.47%) Windows Server 2012
14 7 (0.36%) Windows Server 2008
15 6 (0.31%) AIX
15 6 (0.31%) HPUX
15 6 (0.31%) Mac OS
15 6 (0.31%) Windows Server 2003
Processes & Methodologies
1 1,052 (54.42%) Agile Software Development
2 659 (34.09%) DevOps
3 425 (21.99%) Software Engineering
4 388 (20.07%) Continuous Integration
5 321 (16.61%) TDD
6 312 (16.14%) Test Automation
7 311 (16.09%) Scrum
8 279 (14.43%) Microservices
9 265 (13.71%) BDD
10 234 (12.11%) Configuration Management
11 191 (9.88%) Computer Science
12 185 (9.57%) Analytics
13 167 (8.64%) OO
14 165 (8.54%) Mentoring
15 149 (7.71%) Continuous Delivery
16 139 (7.19%) MVC
17 138 (7.14%) Machine Learning
18 125 (6.47%) Front End Development
18 125 (6.47%) Web Development
19 121 (6.26%) Stakeholder Management
Programming Languages
1 831 (42.99%) Java
2 729 (37.71%) Python
3 468 (24.21%) JavaScript
4 428 (22.14%) SQL
5 283 (14.64%) C#
6 198 (10.24%) Ruby
7 169 (8.74%) Bash Shell
8 159 (8.23%) PHP
9 137 (7.09%) C++
10 128 (6.62%) Go
11 124 (6.41%) PowerShell
12 114 (5.90%) Scala
13 101 (5.23%) Java 8
14 70 (3.62%) T-SQL
15 65 (3.36%) Perl
16 55 (2.85%) C
17 52 (2.69%) Kotlin
18 51 (2.64%) ES6
19 34 (1.76%) Groovy
20 30 (1.55%) TypeScript
Qualifications
1 307 (15.88%) Degree
2 124 (6.41%) Computer Science Degree
3 100 (5.17%) Security Cleared
4 76 (3.93%) SC Cleared
5 28 (1.45%) CREST Certified
6 27 (1.40%) PhD
7 21 (1.09%) OSCP
8 20 (1.03%) TOGAF Certification
9 18 (0.93%) Master's Degree
9 18 (0.93%) Numerate Degree
10 17 (0.88%) DV Cleared
11 16 (0.83%) AWS Certification
11 16 (0.83%) JNCIE
11 16 (0.83%) JNCIP
11 16 (0.83%) Microsoft Certification
12 12 (0.62%) CISSP
13 11 (0.57%) Tigerscheme
14 9 (0.47%) ISTQB
15 8 (0.41%) CISM
15 8 (0.41%) Cyber Scheme
Quality Assurance & Compliance
1 188 (9.73%) QA
2 16 (0.83%) GDPR
3 12 (0.62%) PSD2
4 9 (0.47%) SLA
5 6 (0.31%) Data Quality
5 6 (0.31%) SEPA
6 5 (0.26%) Dodd-Frank
6 5 (0.26%) EMIR
6 5 (0.26%) IFRS
6 5 (0.26%) MiFID
7 4 (0.21%) ISO/IEC 20000
8 3 (0.16%) ISO/IEC 27001
9 2 (0.10%) FedRAMP
9 2 (0.10%) FISMA
9 2 (0.10%) HIPAA
9 2 (0.10%) ISO 20022
10 1 (0.052%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
10 1 (0.052%) PCI DSS
10 1 (0.052%) PMO
System Software
1 482 (24.94%) Docker
2 82 (4.24%) Active Directory
3 29 (1.50%) KVM
4 22 (1.14%) Apache ZooKeeper
5 19 (0.98%) HDFS
6 16 (0.83%) BIND 9
7 14 (0.72%) VMware Infrastructure
8 12 (0.62%) Virtual Machines
9 10 (0.52%) Varnish
10 9 (0.47%) Hyper-V
10 9 (0.47%) Postfix
11 8 (0.41%) Firmware
12 7 (0.36%) etcd
12 7 (0.36%) NFS
13 6 (0.31%) Samba
14 4 (0.21%) Oracle RAC
14 4 (0.21%) VMware ESXi
15 3 (0.16%) vSphere
15 3 (0.16%) XenApp
15 3 (0.16%) XenDesktop
Systems Management
1 378 (19.56%) Kubernetes
2 315 (16.30%) Ansible
3 225 (11.64%) Terraform
4 202 (10.45%) Puppet
5 175 (9.05%) Opscode Chef
6 64 (3.31%) Salt
7 62 (3.21%) Prometheus
8 41 (2.12%) Consul
9 37 (1.91%) Grafana
10 29 (1.50%) Packer
11 26 (1.35%) Automic
12 22 (1.14%) Mesos
13 16 (0.83%) Docker Swarm
13 16 (0.83%) Oozie
13 16 (0.83%) RANCID
14 12 (0.62%) Nagios
14 12 (0.62%) Rancher
14 12 (0.62%) Rundeck
15 10 (0.52%) Nessus
16 9 (0.47%) Graphite
Vendors
1 225 (11.64%) Microsoft
2 122 (6.31%) Oracle
3 118 (6.10%) Google
4 80 (4.14%) Red Hat
5 40 (2.07%) Splunk
6 34 (1.76%) IBM
7 33 (1.71%) VMware
8 31 (1.60%) Apple
9 29 (1.50%) MuleSoft
10 25 (1.29%) Tableau
11 22 (1.14%) Cloudera
12 21 (1.09%) Databricks
13 19 (0.98%) SAP
14 18 (0.93%) Symantec
15 16 (0.83%) EMC
15 16 (0.83%) Juniper
15 16 (0.83%) New Relic
16 13 (0.67%) Atlassian
16 13 (0.67%) Dell
17 12 (0.62%) Salesforce.com