Period
to 19 October 2020

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 19 October 2020 with a comparison to the same period in the previous 2 years.

Open Source
England > London
6 months to
19 Oct 2020
Same period 2019 Same period 2018
Rank 98 102 87
Rank change year-on-year +4 -15 +5
Permanent jobs citing Open Source 670 1,687 2,476
As % of all permanent jobs advertised in London 3.42% 3.11% 3.64%
As % of the Processes & Methodologies category 3.67% 3.33% 3.93%
Number of salaries quoted 622 1,385 1,782
Median annual salary £72,500 £72,500 £70,000
Median salary % change year-on-year - +3.57% -
10th Percentile £45,000 £41,000 £42,000
90th Percentile £105,000 £105,000 £95,000
England median annual salary £62,500 £60,000 £60,000
% change year-on-year +4.17% - +4.35%

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 18,244 50,652 63,032
As % of all permanent IT jobs advertised in London 93.20% 93.26% 92.69%
Number of salaries quoted 15,202 40,756 50,682
Median annual salary £70,000 £65,000 £62,500
Median salary % change year-on-year +7.69% +4.00% +4.17%
10th Percentile £42,500 £36,250 £35,000
90th Percentile £107,500 £98,750 £95,000
England median annual salary £55,000 £52,500 £52,000
% change year-on-year +4.76% +0.96% +4.00%

Open Source
Job Vacancy Trend in London

Job postings citing Open Source as a proportion of all IT jobs advertised in London.

Job vacancy trend for Open Source in London

Open Source
Salary Trend in London

3-month moving average salary quoted in jobs citing Open Source in London.

Salary trend for Open Source in London

Open Source
Salary Histogram in London

Salary distribution for jobs citing Open Source in London over the 6 months to 19 October 2020.

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 19 October 2020. 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 +34 133 £70,000 -6.67% 42
West London +52 23 £65,000 +23.81% 21
South London +37 21 £72,500 +3.57% 8
East London +29 6 £80,000 +16.36% 7
North London +27 2 £45,612 -31.55%
Open Source
England

For the 6 months to 19 October 2020, 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.

1 345 (51.49%) Agile Software Development
2 320 (47.76%) Java
3 284 (42.39%) AWS
4 274 (40.90%) Python
5 210 (31.34%) JavaScript
6 202 (30.15%) Microservices
7 189 (28.21%) Software Engineering
8 176 (26.27%) Finance
9 170 (25.37%) DevOps
10 160 (23.88%) Azure
11 158 (23.58%) Docker
12 152 (22.69%) Kubernetes
13 148 (22.09%) AngularJS
14 140 (20.90%) React
15 134 (20.00%) TDD
16 128 (19.10%) Continuous Integration
17 122 (18.21%) Linux
18 117 (17.46%) Node.js
19 114 (17.01%) Git (software)
20 113 (16.87%) SQL
21 110 (16.42%) Test Automation
22 105 (15.67%) NoSQL
23 102 (15.22%) Jenkins
24 101 (15.07%) Degree
25 97 (14.48%) Web Services
25 97 (14.48%) BDD
26 96 (14.33%) Computer Science
27 94 (14.03%) REST
28 89 (13.28%) GCP
29 87 (12.99%) Analytics

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 30 (4.48%) Confluence
2 27 (4.03%) Apache Spark
3 15 (2.24%) Apache
4 13 (1.94%) Elasticsearch
5 10 (1.49%) Headless CMS
6 9 (1.34%) Red Hat Fuse
7 5 (0.75%) Drupal
8 4 (0.60%) CMS
9 3 (0.45%) SharePoint
9 3 (0.45%) Tomcat
9 3 (0.45%) WordPress
10 2 (0.30%) Apache ServiceMix
10 2 (0.30%) JBoss
10 2 (0.30%) Jupyter
10 2 (0.30%) NServiceBus
10 2 (0.30%) OpenStack
11 1 (0.15%) Adobe Experience Manager
11 1 (0.15%) Apache Airflow
11 1 (0.15%) Cloud Foundry
11 1 (0.15%) WebLogic
Applications
1 11 (1.64%) Chatbot
2 5 (0.75%) Adobe XD
2 5 (0.75%) Figma
2 5 (0.75%) Sketch
3 2 (0.30%) Microsoft Excel
4 1 (0.15%) AutoCAD
4 1 (0.15%) Microsoft Office
Business Applications
1 4 (0.60%) Oracle Applications
2 2 (0.30%) Markit EDM
Cloud Services
1 284 (42.39%) AWS
2 160 (23.88%) Azure
3 89 (13.28%) GCP
4 59 (8.81%) Serverless
5 54 (8.06%) GitHub
6 33 (4.93%) AWS Lambda
6 33 (4.93%) Cloud Computing
7 29 (4.33%) Amazon EC2
8 27 (4.03%) Amazon EKS
9 26 (3.88%) AWS CloudFormation
9 26 (3.88%) SaaS
10 23 (3.43%) Amazon ECS
11 21 (3.13%) OpenShift
12 17 (2.54%) PaaS
13 14 (2.09%) IaaS
14 13 (1.94%) Amazon S3
14 13 (1.94%) Azure Functions
15 12 (1.79%) Amazon SQS
16 10 (1.49%) AWS Elastic Beanstalk
16 10 (1.49%) Firebase
Communications & Networking
1 15 (2.24%) Network Security
2 14 (2.09%) Firewall
2 14 (2.09%) HTTP
3 13 (1.94%) Skype
3 13 (1.94%) TCP/IP
4 11 (1.64%) Internet
5 10 (1.49%) Wireless
6 9 (1.34%) DNS
7 8 (1.19%) IPv6
8 7 (1.04%) SSH
9 6 (0.90%) Broadband
9 6 (0.90%) DHCP
9 6 (0.90%) Kerberos
9 6 (0.90%) SSL
9 6 (0.90%) VPN
10 4 (0.60%) IPv4
10 4 (0.60%) SNMP
11 3 (0.45%) HTTPS
11 3 (0.45%) X.509
12 2 (0.30%) SAN
Database & Business Intelligence
1 105 (15.67%) NoSQL
2 52 (7.76%) PostgreSQL
3 49 (7.31%) Big Data
4 35 (5.22%) Hadoop
5 30 (4.48%) SQL Server
6 26 (3.88%) Apache Cassandra
6 26 (3.88%) MySQL
7 23 (3.43%) Relational Database
8 21 (3.13%) Data Warehouse
9 19 (2.84%) MongoDB
10 17 (2.54%) Amazon RDS
11 16 (2.39%) Amazon DynamoDB
12 15 (2.24%) Redis
13 13 (1.94%) Scylla
14 12 (1.79%) KDB
15 11 (1.64%) MariaDB
16 10 (1.49%) Amazon Redshift
17 7 (1.04%) Apache Hive
18 6 (0.90%) Power BI
18 6 (0.90%) RDBMS
Development Applications
1 114 (17.01%) Git (software)
2 102 (15.22%) Jenkins
3 51 (7.61%) JIRA
4 43 (6.42%) Selenium
5 42 (6.27%) GitLab
6 40 (5.97%) JUnit
7 31 (4.63%) Mockito
8 28 (4.18%) Cucumber
9 25 (3.73%) Atlassian Bamboo
10 23 (3.43%) WebDriver
11 20 (2.99%) Maven
12 19 (2.84%) Artifactory
13 16 (2.39%) TeamCity
14 14 (2.09%) Appium
14 14 (2.09%) DbUnit
15 13 (1.94%) jMock
15 13 (1.94%) SonarQube
15 13 (1.94%) Subversion
15 13 (1.94%) Vagrant
16 10 (1.49%) Codeship
General
1 176 (26.27%) Finance
2 69 (10.30%) Front Office
3 53 (7.91%) Public Sector
4 48 (7.16%) Banking
5 27 (4.03%) Marketing
6 23 (3.43%) Investment Banking
6 23 (3.43%) Law
7 11 (1.64%) Games
8 8 (1.19%) Telecoms
9 7 (1.04%) Financial Institution
10 5 (0.75%) Advertising
10 5 (0.75%) Electronics
10 5 (0.75%) Manufacturing
10 5 (0.75%) Retail
11 4 (0.60%) Automotive
12 3 (0.45%) Legal
13 2 (0.30%) Publishing
14 1 (0.15%) Retail Banking
Job Titles
1 257 (38.36%) Developer
2 85 (12.69%) Architect
3 76 (11.34%) Java Developer
4 64 (9.55%) DevOps Engineer
5 52 (7.76%) Software Engineer
6 48 (7.16%) Solutions Architect
7 41 (6.12%) React Developer
8 36 (5.37%) Senior Developer
9 32 (4.78%) Full Stack Developer
10 31 (4.63%) Front End Developer (Client-Side Developer)
11 30 (4.48%) JavaScript Developer
12 28 (4.18%) AWS Engineer
13 26 (3.88%) Software Developer
14 22 (3.28%) Platform Engineer
14 22 (3.28%) Python Developer
14 22 (3.28%) QA Engineer
15 21 (3.13%) AWS Architect
15 21 (3.13%) Python Engineer
16 18 (2.69%) Java Engineer
17 17 (2.54%) Consultant
Libraries, Frameworks & Software Standards
1 148 (22.09%) AngularJS
2 140 (20.90%) React
3 117 (17.46%) Node.js
4 97 (14.48%) Web Services
5 94 (14.03%) REST
6 79 (11.79%) .NET
7 72 (10.75%) RESTful
8 60 (8.96%) Kafka
9 58 (8.66%) Spring
10 56 (8.36%) HTML
11 55 (8.21%) CSS
12 35 (5.22%) React Native
13 34 (5.07%) HTML5
14 28 (4.18%) JMS
15 27 (4.03%) RabbitMQ
16 24 (3.58%) CSS3
16 24 (3.58%) Redux
16 24 (3.58%) Vue.js
17 23 (3.43%) Apache Camel
18 22 (3.28%) Elastic Stack
Miscellaneous
1 86 (12.84%) Blog
2 66 (9.85%) Greenfield Project
2 66 (9.85%) Hedge funds
3 48 (7.16%) Fixed Income
4 45 (6.72%) Derivative
5 41 (6.12%) Mobile App
6 35 (5.22%) Analytical Skills
6 35 (5.22%) Equities
6 35 (5.22%) Public Cloud
7 30 (4.48%) Algorithms
8 29 (4.33%) Cloud Native
9 28 (4.18%) Foreign Exchange (FX)
10 26 (3.88%) Enterprise Software
11 18 (2.69%) Equity Derivative
12 17 (2.54%) Social Media
13 16 (2.39%) User Experience
14 15 (2.24%) Data Centre
14 15 (2.24%) Virtual Team
15 11 (1.64%) Life Science
15 11 (1.64%) Robotics
Operating Systems
1 122 (18.21%) Linux
2 43 (6.42%) Android
3 42 (6.27%) Windows
4 37 (5.52%) CentOS
5 27 (4.03%) Unix
6 24 (3.58%) Red Hat Enterprise Linux
7 20 (2.99%) Apple iOS
8 19 (2.84%) VMS
9 12 (1.79%) Debian
9 12 (1.79%) Ubuntu
10 8 (1.19%) Fedora
11 5 (0.75%) Mac OS X
12 2 (0.30%) Windows 10
12 2 (0.30%) Windows Server
13 1 (0.15%) FreeBSD
Processes & Methodologies
1 345 (51.49%) Agile Software Development
2 202 (30.15%) Microservices
3 189 (28.21%) Software Engineering
4 170 (25.37%) DevOps
5 134 (20.00%) TDD
6 128 (19.10%) Continuous Integration
7 110 (16.42%) Test Automation
8 97 (14.48%) BDD
9 96 (14.33%) Computer Science
10 87 (12.99%) Analytics
10 87 (12.99%) OO
10 87 (12.99%) Scrum
11 80 (11.94%) Artificial Intelligence
12 72 (10.75%) Continuous Delivery
13 69 (10.30%) Machine Learning
14 66 (9.85%) Asset Management
15 49 (7.31%) Fintech
16 48 (7.16%) Migration
17 47 (7.01%) Configuration Management
18 45 (6.72%) High Availability
Programming Languages
1 320 (47.76%) Java
2 274 (40.90%) Python
3 210 (31.34%) JavaScript
4 113 (16.87%) SQL
5 77 (11.49%) C#
6 60 (8.96%) Ruby
7 54 (8.06%) C++
8 39 (5.82%) C
8 39 (5.82%) Java 8
8 39 (5.82%) PowerShell
9 35 (5.22%) Bash Shell
10 34 (5.07%) Go
10 34 (5.07%) Scala
11 31 (4.63%) Perl
12 24 (3.58%) R
13 22 (3.28%) ES6
14 20 (2.99%) Kotlin
15 16 (2.39%) PHP
16 12 (1.79%) Shell Script
16 12 (1.79%) TypeScript
Qualifications
1 101 (15.07%) Degree
2 59 (8.81%) Security Cleared
3 55 (8.21%) SC Cleared
4 45 (6.72%) Computer Science Degree
5 21 (3.13%) AWS Certification
6 12 (1.79%) CISSP
6 12 (1.79%) CSSLP
7 11 (1.64%) CISM
8 9 (1.34%) ISEB
8 9 (1.34%) ISTQB
9 6 (0.90%) Master's Degree
10 4 (0.60%) Numerate Degree
10 4 (0.60%) PhD
11 3 (0.45%) DV Cleared
11 3 (0.45%) TOGAF Certification
12 2 (0.30%) CCNA
12 2 (0.30%) Cisco Certification
12 2 (0.30%) MCSA
12 2 (0.30%) MCSE
12 2 (0.30%) Microsoft Certification
Quality Assurance & Compliance
1 61 (9.10%) QA
2 12 (1.79%) NIST
3 6 (0.90%) GDPR
4 4 (0.60%) SLA
5 2 (0.30%) Data Quality
5 2 (0.30%) MiFID
5 2 (0.30%) NCSC
6 1 (0.15%) Government Security Classifications
6 1 (0.15%) ISO/IEC 27001
6 1 (0.15%) PCI DSS
6 1 (0.15%) SEPA
System Software
1 158 (23.58%) Docker
2 11 (1.64%) Postfix
3 5 (0.75%) Firmware
4 3 (0.45%) Apache ZooKeeper
4 3 (0.45%) VMware Infrastructure
5 2 (0.30%) Active Directory
5 2 (0.30%) Virtual Machines
6 1 (0.15%) HDFS
6 1 (0.15%) Kamailio
6 1 (0.15%) LXC
6 1 (0.15%) OpenSIPS
6 1 (0.15%) vCloud
6 1 (0.15%) vSphere
Systems Management
1 152 (22.69%) Kubernetes
2 64 (9.55%) Terraform
3 48 (7.16%) Ansible
4 42 (6.27%) Puppet
5 27 (4.03%) Grafana
5 27 (4.03%) Prometheus
6 17 (2.54%) Opscode Chef
7 16 (2.39%) Graphite
8 14 (2.09%) Marathon
8 14 (2.09%) Mesos
9 9 (1.34%) Graylog
9 9 (1.34%) Rancher
10 8 (1.19%) Nagios
11 6 (0.90%) Docker Swarm
12 4 (0.60%) Zipkin
13 3 (0.45%) HAProxy
13 3 (0.45%) HP Fortify
13 3 (0.45%) Icinga
13 3 (0.45%) Istio
14 2 (0.30%) Single Sign-On
Vendors
1 53 (7.91%) Google
2 46 (6.87%) Microsoft
3 21 (3.13%) Oracle
4 14 (2.09%) TIBCO
5 13 (1.94%) Facebook
6 11 (1.64%) Splunk
7 10 (1.49%) Red Hat
8 8 (1.19%) ION Trading
9 7 (1.04%) Cisco
9 7 (1.04%) Dynatrace
10 6 (0.90%) NVIDIA
11 5 (0.75%) Adobe
11 5 (0.75%) HP
11 5 (0.75%) Spotify
12 4 (0.60%) Bloomberg
12 4 (0.60%) Palo Alto
12 4 (0.60%) VMware
13 3 (0.45%) Black Duck
13 3 (0.45%) Blue Prism
13 3 (0.45%) MuleSoft