Period
to 20 January 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 20 January 2019 with a comparison to the same period in the previous 2 years.

Open Source
England > London
6 months to
20 Jan 2019
Same period 2018 Same period 2017
Rank 95 93 88
Rank change year-on-year -2 -5 +2
Permanent jobs citing Open Source 2,118 2,470 2,384
As % of all permanent IT jobs advertised in London 3.41% 3.53% 3.37%
As % of the Processes & Methodologies category 3.70% 3.79% 3.66%
Number of salaries quoted 1,501 2,034 2,033
London median annual salary £70,000 £67,500 £65,000
Median salary % change year-on-year +3.70% +3.85% +8.33%
10th Percentile £41,250 £41,250 £38,750
90th Percentile £95,000 £96,250 £95,000
England median annual salary £60,000 £57,500 £57,500
% change year-on-year +4.35% - +4.55%

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 57,210 65,142 65,183
As % of all permanent IT jobs advertised in London 92.02% 93.17% 92.10%
Number of salaries quoted 46,128 52,275 55,565
London median annual salary £62,500 £60,000 £58,000
Median salary % change year-on-year +4.17% +3.45% +5.45%
10th Percentile £35,000 £35,000 £33,566
90th Percentile £95,000 £91,250 £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 20 January 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 20 January 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 +2 363 £72,500 +11.54% 125
West London +6 80 £65,000 +4.00% 70
South London -12 74 £70,000 +47.37% 7
East London +5 9 £41,000 -39.26% 26
Open Source
England

For the 6 months to 20 January 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 1,159 (54.72%) Agile Software Development
2 967 (45.66%) Java
3 720 (33.99%) Python
4 707 (33.38%) DevOps
5 637 (30.08%) Amazon AWS
6 632 (29.84%) JavaScript
7 607 (28.66%) Linux
8 555 (26.20%) Finance
9 537 (25.35%) SQL
10 483 (22.80%) Docker
11 481 (22.71%) Software Engineering
12 457 (21.58%) Continuous Integration
13 423 (19.97%) C#
14 410 (19.36%) Jenkins
15 391 (18.46%) Microsoft Azure
16 383 (18.08%) Git (software)
17 373 (17.61%) Degree
17 373 (17.61%) Microservices
18 370 (17.47%) Test Automation
19 367 (17.33%) Kubernetes
20 363 (17.14%) TDD
21 333 (15.72%) Ansible
22 317 (14.97%) Scrum
23 311 (14.68%) HTML
24 303 (14.31%) .NET
25 292 (13.79%) BDD
26 284 (13.41%) CSS
27 277 (13.08%) Web Services
28 275 (12.98%) AngularJS
29 267 (12.61%) Puppet

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
1 174 (8.22%) Apache Spark
2 125 (5.90%) Apache
3 112 (5.29%) Elasticsearch
4 62 (2.93%) Confluence
5 57 (2.69%) CMS
6 55 (2.60%) IIS
7 53 (2.50%) Tomcat
8 42 (1.98%) Apache Solr
9 38 (1.79%) OpenStack
10 36 (1.70%) Drupal
10 36 (1.70%) nginx
10 36 (1.70%) WebLogic
11 26 (1.23%) WebSphere
12 24 (1.13%) Ethereum
13 21 (0.99%) Jetty
14 17 (0.80%) SharePoint
15 14 (0.66%) JBoss
15 14 (0.66%) Oracle SOA Suite
16 12 (0.57%) Cloud Foundry
16 12 (0.57%) SAS
Applications
1 14 (0.66%) Snapchat
2 12 (0.57%) Microsoft Excel
3 10 (0.47%) Microsoft Project
3 10 (0.47%) MS Visio
4 6 (0.28%) Chatbot
4 6 (0.28%) Microsoft Office
5 5 (0.24%) SPSS
6 3 (0.14%) Open Workbench
7 2 (0.094%) Microsoft PowerPoint
8 1 (0.047%) HipChat
Business Applications
1 23 (1.09%) Actimize
2 11 (0.52%) Distributed Ledger
3 7 (0.33%) Oracle Procure-to-Pay
4 6 (0.28%) R3 Corda
5 5 (0.24%) Dynamics CRM
6 3 (0.14%) Payment Gateway
6 3 (0.14%) Quorum
6 3 (0.14%) SAP S/4HANA
7 1 (0.047%) Magento
7 1 (0.047%) OpenCart
7 1 (0.047%) Oracle BPM
7 1 (0.047%) osCommerce
7 1 (0.047%) SAP ERP
7 1 (0.047%) Unica
Cloud Services
1 637 (30.08%) Amazon AWS
2 391 (18.46%) Microsoft Azure
3 161 (7.60%) Google Cloud Platform
4 135 (6.37%) GitHub
5 95 (4.49%) Cloud Computing
6 90 (4.25%) PaaS
7 87 (4.11%) SaaS
8 81 (3.82%) Serverless
9 76 (3.59%) AWS CloudFormation
10 64 (3.02%) IaaS
11 40 (1.89%) Slack
12 37 (1.75%) OpenShift
13 30 (1.42%) Amazon EC2
13 30 (1.42%) AWS Lambda
14 26 (1.23%) Heroku
15 25 (1.18%) Amazon S3
16 21 (0.99%) Azure Active Directory
16 21 (0.99%) Cortana Intelligence Suite
17 20 (0.94%) Office 365
18 17 (0.80%) Amazon SQS
Communications & Networking
1 112 (5.29%) Firewall
2 62 (2.93%) TCP/IP
3 52 (2.46%) HTTP
4 33 (1.56%) Network Security
5 32 (1.51%) DNS
5 32 (1.51%) Internet
6 31 (1.46%) VPN
7 17 (0.80%) WAN
8 11 (0.52%) Intranet
8 11 (0.52%) OpenVPN
8 11 (0.52%) OPNsense
8 11 (0.52%) SSL
8 11 (0.52%) VLAN
9 10 (0.47%) AMQP
9 10 (0.47%) LAN
10 9 (0.42%) Skype
11 8 (0.38%) IPFS
12 7 (0.33%) Kerberos
12 7 (0.33%) Peer-to-Peer Networking
13 6 (0.28%) DHCP
Database & Business Intelligence
1 231 (10.91%) Big Data
2 209 (9.87%) SQL Server
3 205 (9.68%) NoSQL
4 193 (9.11%) PostgreSQL
5 179 (8.45%) MySQL
6 176 (8.31%) Hadoop
7 128 (6.04%) MongoDB
8 124 (5.85%) Relational Database
9 97 (4.58%) Redis
10 85 (4.01%) Data Warehouse
11 72 (3.40%) Apache Cassandra
12 55 (2.60%) Blockchain
13 53 (2.50%) Apache Hive
14 40 (1.89%) RDBMS
15 37 (1.75%) SQL Server Integration Services
16 35 (1.65%) HBase
17 31 (1.46%) Power BI
18 28 (1.32%) Azure SQL Database
18 28 (1.32%) Data Lake
18 28 (1.32%) Oracle Database
Development Applications
1 410 (19.36%) Jenkins
2 383 (18.08%) Git (software)
3 151 (7.13%) TeamCity
4 150 (7.08%) Cucumber
5 131 (6.19%) JUnit
6 119 (5.62%) JIRA
7 103 (4.86%) Atlassian Bamboo
8 90 (4.25%) Maven
9 89 (4.20%) Selenium
10 81 (3.82%) Gradle
11 80 (3.78%) Team Foundation Server
12 74 (3.49%) Octopus Deploy
13 63 (2.97%) SpecFlow
14 56 (2.64%) Subversion
15 55 (2.60%) Vagrant
16 52 (2.46%) NUnit
17 50 (2.36%) Visual Studio
18 44 (2.08%) Appium
19 39 (1.84%) Mockito
20 38 (1.79%) Bitbucket
General
1 555 (26.20%) Finance
2 153 (7.22%) Games
3 150 (7.08%) Banking
4 96 (4.53%) Marketing
5 81 (3.82%) Retail
6 64 (3.02%) Telecoms
7 55 (2.60%) Legal
8 50 (2.36%) Law
9 30 (1.42%) Front Office
10 22 (1.04%) Financial Institution
11 21 (0.99%) Advertising
12 16 (0.76%) Publishing
13 14 (0.66%) Back Office
14 10 (0.47%) Manufacturing
15 9 (0.42%) Investment Banking
16 8 (0.38%) Aerospace
16 8 (0.38%) Military
17 7 (0.33%) Automotive
17 7 (0.33%) Billing
17 7 (0.33%) Electronics
Job Titles
1 859 (40.56%) Developer
2 253 (11.95%) Architect
3 232 (10.95%) Java Developer
4 187 (8.83%) DevOps Engineer
5 170 (8.03%) Software Engineer
6 148 (6.99%) Senior Developer
7 139 (6.56%) Software Developer
8 117 (5.52%) .NET Developer
9 106 (5.00%) C# Developer
10 93 (4.39%) Developer in Test
11 92 (4.34%) Consultant
12 91 (4.30%) Solutions Architect
13 83 (3.92%) C# .NET Developer
14 82 (3.87%) JavaScript Developer
14 82 (3.87%) Senior DevOps
15 78 (3.68%) Java Architect
16 77 (3.64%) Full Stack Developer
17 75 (3.54%) Lead Developer
18 64 (3.02%) Front End Developer (Client-Side Developer)
19 61 (2.88%) Graduate
Libraries, Frameworks & Software Standards
1 311 (14.68%) HTML
2 303 (14.31%) .NET
3 284 (13.41%) CSS
4 277 (13.08%) Web Services
5 275 (12.98%) AngularJS
6 256 (12.09%) Node.js
7 248 (11.71%) Spring
8 230 (10.86%) REST
9 229 (10.81%) React
10 199 (9.40%) HTML5
11 181 (8.55%) RESTful
12 169 (7.98%) Kafka
13 166 (7.84%) ASP.NET Web API
14 134 (6.33%) ASP.NET
15 124 (5.85%) JSON
16 122 (5.76%) XML
17 103 (4.86%) Spring Boot
18 101 (4.77%) Gherkin
19 96 (4.53%) CSS3
20 86 (4.06%) SOAP
Miscellaneous
1 169 (7.98%) User Experience
2 168 (7.93%) Greenfield Project
3 124 (5.85%) Fintech
4 101 (4.77%) Mobile App
5 99 (4.67%) Algorithms
6 96 (4.53%) Self-Motivation
7 90 (4.25%) Analytical Skills
8 80 (3.78%) Data Structures
9 78 (3.68%) Public Cloud
10 76 (3.59%) Blog
11 56 (2.64%) Hedge funds
12 55 (2.60%) Enterprise Software
13 46 (2.17%) Data Centre
14 39 (1.84%) Cloud Native
15 36 (1.70%) Linux Command Line
16 35 (1.65%) Virtual Team
17 31 (1.46%) Mobile Payment
18 25 (1.18%) Hybrid Cloud
18 25 (1.18%) PlayStation
19 23 (1.09%) Management Information System
Operating Systems
1 607 (28.66%) Linux
2 247 (11.66%) Windows
3 173 (8.17%) Unix
4 80 (3.78%) Android
5 76 (3.59%) CentOS
6 60 (2.83%) Apple iOS
7 57 (2.69%) Red Hat Enterprise Linux
8 55 (2.60%) Ubuntu
9 34 (1.61%) Debian
10 27 (1.27%) Solaris
11 25 (1.18%) Mesosphere
12 19 (0.90%) VMS
13 11 (0.52%) CoreOS
13 11 (0.52%) Fedora
13 11 (0.52%) FreeBSD
13 11 (0.52%) Windows Server 2012
14 10 (0.47%) Windows Server
14 10 (0.47%) Windows Server 2008
15 8 (0.38%) Windows 7
16 7 (0.33%) Mac OS
Processes & Methodologies
1 1,159 (54.72%) Agile Software Development
2 707 (33.38%) DevOps
3 481 (22.71%) Software Engineering
4 457 (21.58%) Continuous Integration
5 373 (17.61%) Microservices
6 370 (17.47%) Test Automation
7 363 (17.14%) TDD
8 317 (14.97%) Scrum
9 292 (13.79%) BDD
10 263 (12.42%) Computer Science
11 212 (10.01%) Continuous Delivery
12 210 (9.92%) OO
13 207 (9.77%) Configuration Management
14 187 (8.83%) Mentoring
14 187 (8.83%) MVC
15 147 (6.94%) SDLC
16 146 (6.89%) Analytics
17 145 (6.85%) Front End Development
18 142 (6.70%) Web Development
19 130 (6.14%) Problem-Solving
Programming Languages
1 967 (45.66%) Java
2 720 (33.99%) Python
3 632 (29.84%) JavaScript
4 537 (25.35%) SQL
5 423 (19.97%) C#
6 266 (12.56%) Ruby
7 189 (8.92%) C++
8 187 (8.83%) Go
9 180 (8.50%) PHP
10 167 (7.88%) PowerShell
11 139 (6.56%) Scala
12 138 (6.52%) Bash Shell
13 114 (5.38%) Java 8
14 110 (5.19%) C
15 92 (4.34%) ES6
16 75 (3.54%) Kotlin
17 72 (3.40%) T-SQL
18 68 (3.21%) Perl
19 61 (2.88%) TypeScript
20 43 (2.03%) Groovy
Qualifications
1 373 (17.61%) Degree
2 149 (7.03%) Computer Science Degree
3 105 (4.96%) Security Cleared
4 89 (4.20%) SC Cleared
5 35 (1.65%) CISSP
6 29 (1.37%) Master's Degree
7 26 (1.23%) CISM
8 25 (1.18%) RHCE
9 24 (1.13%) PhD
10 23 (1.09%) Numerate Degree
11 19 (0.90%) Microsoft Certification
12 15 (0.71%) DV Cleared
13 13 (0.61%) RHCA
14 12 (0.57%) AWS Certification
14 12 (0.57%) BPSS Clearance
14 12 (0.57%) MCSA
14 12 (0.57%) RHCSA
15 11 (0.52%) CREST Certified
16 9 (0.42%) GIAC
16 9 (0.42%) TOGAF Certification
Quality Assurance & Compliance
1 216 (10.20%) QA
2 49 (2.31%) GDPR
3 27 (1.27%) Data Quality
4 20 (0.94%) MiFID
5 14 (0.66%) ISO/IEC 27001
6 11 (0.52%) ISO/IEC 20000
7 10 (0.47%) PSD2
7 10 (0.47%) SLA
8 8 (0.38%) IFRS
9 3 (0.14%) ISO 20022
9 3 (0.14%) ISO 9001
9 3 (0.14%) SEPA
10 2 (0.094%) Cyber Essentials
10 2 (0.094%) FedRAMP
10 2 (0.094%) FISMA
10 2 (0.094%) HIPAA
10 2 (0.094%) PCI DSS
11 1 (0.047%) EMIR
11 1 (0.047%) ISO 8583
11 1 (0.047%) ISO/IEC 27002 (supersedes ISO/IEC 17799)
System Software
1 483 (22.80%) Docker
2 87 (4.11%) Active Directory
3 53 (2.50%) HDFS
4 27 (1.27%) VMware Infrastructure
5 24 (1.13%) Snort
6 18 (0.85%) pfSense
7 17 (0.80%) Hyper-V
7 17 (0.80%) KVM
8 15 (0.71%) etcd
9 14 (0.66%) Virtual Machines
10 11 (0.52%) NFS
10 11 (0.52%) Samba
10 11 (0.52%) Varnish
11 10 (0.47%) Apache ZooKeeper
12 8 (0.38%) iptables
13 5 (0.24%) Apache Flume
14 4 (0.19%) SkyDNS
15 3 (0.14%) GlusterFS
15 3 (0.14%) Postfix
16 2 (0.094%) VMware ESXi
Systems Management
1 367 (17.33%) Kubernetes
2 333 (15.72%) Ansible
3 267 (12.61%) Puppet
4 252 (11.90%) Terraform
5 208 (9.82%) Opscode Chef
6 64 (3.02%) Prometheus
7 53 (2.50%) Consul
8 49 (2.31%) Salt
9 44 (2.08%) Grafana
10 41 (1.94%) Mesos
11 40 (1.89%) Graphite
12 38 (1.79%) Packer
13 32 (1.51%) Docker Swarm
14 27 (1.27%) Automic
15 26 (1.23%) ZABBIX
16 25 (1.18%) Oozie
17 24 (1.13%) Nagios
18 19 (0.90%) OSSEC
19 13 (0.61%) Opsview
20 12 (0.57%) logstash
Vendors
1 243 (11.47%) Microsoft
2 153 (7.22%) Oracle
3 151 (7.13%) Google
4 92 (4.34%) Red Hat
5 52 (2.46%) Splunk
6 48 (2.27%) Tableau
7 46 (2.17%) Apple
7 46 (2.17%) VMware
8 31 (1.46%) Atlassian
9 27 (1.27%) IBM
10 24 (1.13%) Databricks
11 23 (1.09%) SAP
12 20 (0.94%) Cloudera
13 18 (0.85%) Rakuten
14 16 (0.76%) Cisco
15 15 (0.71%) NetApp
15 15 (0.71%) Terracotta
16 13 (0.61%) Citrix
16 13 (0.61%) Foundry
16 13 (0.61%) New Relic