Period
to 18 January 2021

The following table provides summary statistics for permanent job vacancies 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 18 January 2021 with a comparison to the same period in the previous 2 years.

Open Source
UK
6 months to
18 Jan 2021
Same period 2020 Same period 2019
Rank 128 146 112
Rank change year-on-year +18 -34 0
Permanent jobs citing Open Source 1,560 3,032 4,432
As % of all permanent jobs advertised in the UK 2.49% 2.42% 2.93%
As % of the Processes & Methodologies category 2.70% 2.62% 3.17%
Number of salaries quoted 1,547 2,409 3,416
Median annual salary £67,500 £62,500 £57,500
Median salary % change year-on-year +8.00% +8.70% -
10th Percentile £41,250 £36,750 £34,880
90th Percentile £100,000 £112,500 £87,500
UK excluding London median annual salary £55,000 £52,500 £50,340
% change year-on-year +4.76% +4.29% +0.68%

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 with a requirement for process or methodology skills.

All Process and Methodology Skills
UK
Permanent vacancies with a requirement for process or methodology skills 57,835 115,507 139,683
As % of all permanent IT jobs advertised in the UK 92.31% 92.11% 92.23%
Number of salaries quoted 46,689 92,510 111,615
Median annual salary £55,000 £52,500 £52,500
Median salary % change year-on-year +4.76% - +5.00%
10th Percentile £32,500 £30,000 £29,763
90th Percentile £90,000 £87,500 £85,000
UK excluding London median annual salary £49,000 £45,591 £45,000
% change year-on-year +7.48% +1.31% -

Open Source
Job Vacancy Trend

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

Job vacancy trend for Open Source in the UK

Open Source
Salary Trend

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

Salary trend for Open Source in the UK

Open Source
Salary Histogram

Salary distribution for jobs citing Open Source over the 6 months to 18 January 2021.

Salary histogram for Open Source in the UK

Open Source
Top 17 Job Locations

The table below looks at the demand and provides a guide to the median salaries quoted in IT jobs citing Open Source within the UK over the 6 months to 18 January 2021. 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
England +17 1,462 £67,500 +8.00% 341
London +7 833 £75,000 +3.45% 155
UK excluding London +20 652 £55,000 +4.76% 201
Work from Home -10 279 £65,000 +8.33% 68
North of England -18 174 £55,000 +15.79% 67
South East +38 153 £57,500 +4.55% 32
South West +22 125 £52,500 +5.00% 23
Midlands +59 116 £57,500 -4.17% 31
North West +20 116 £55,000 - 45
West Midlands +43 100 £57,500 +8.70% 13
East of England +80 59 £70,000 +21.74% 27
Yorkshire -21 53 £52,500 +16.67% 16
Scotland +18 50 £57,500 +0.66% 15
East Midlands +46 16 £40,000 -52.94% 18
Wales +29 5 £62,500 +38.89% 4
North East -15 5 £45,000 -0.91% 6
Northern Ireland +11 3 £55,000 +10.00% 2

For the 6 months to 18 January 2021, 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 with a requirement for Open Source.

1 877 (56.22%) Agile Software Development
2 615 (39.42%) AWS
3 561 (35.96%) Java
4 521 (33.40%) Python
5 450 (28.85%) Software Engineering
6 439 (28.14%) JavaScript
7 434 (27.82%) Azure
8 421 (26.99%) DevOps
9 368 (23.59%) Microservices
10 336 (21.54%) Linux
11 330 (21.15%) Docker
12 309 (19.81%) React
13 304 (19.49%) Git (software)
14 290 (18.59%) Finance
15 287 (18.40%) Continuous Integration
16 283 (18.14%) Kubernetes
17 260 (16.67%) AngularJS
18 246 (15.77%) Jenkins
19 241 (15.45%) Test Automation
20 240 (15.38%) TDD
21 239 (15.32%) SQL
22 220 (14.10%) REST
23 215 (13.78%) Microsoft
24 211 (13.53%) NoSQL
25 209 (13.40%) .NET
26 201 (12.88%) Web Services
27 193 (12.37%) Security Cleared
28 192 (12.31%) RESTful
29 191 (12.24%) Node.js
30 189 (12.12%) GCP

Open Source
Co-occurring IT Skills 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 76 (4.87%) Confluence
2 54 (3.46%) Apache
3 52 (3.33%) Apache Spark
4 41 (2.63%) CMS
5 37 (2.37%) JBoss
6 27 (1.73%) Red Hat Fuse
7 25 (1.60%) Elasticsearch
8 20 (1.28%) Apache ServiceMix
8 20 (1.28%) OpenStack
9 19 (1.22%) Tomcat
9 19 (1.22%) WordPress
10 14 (0.90%) Sitecore CMS
11 12 (0.77%) Drupal
11 12 (0.77%) WebSphere
12 10 (0.64%) WebLogic
13 9 (0.58%) Camunda
13 9 (0.58%) GlassFish
14 8 (0.51%) Headless CMS
14 8 (0.51%) IIS
14 8 (0.51%) Jupyter
Applications
1 22 (1.41%) Adobe XD
1 22 (1.41%) Figma
1 22 (1.41%) Sketch
2 9 (0.58%) Chatbot
3 8 (0.51%) Microsoft Excel
3 8 (0.51%) Microsoft Office
Business Applications
1 21 (1.35%) Oracle Applications
2 7 (0.45%) IBM Operational Decision Manager
2 7 (0.45%) Magento
3 3 (0.19%) Oracle EBS
4 2 (0.13%) Markit EDM
5 1 (0.064%) Payment Gateway
5 1 (0.064%) Sentinel
5 1 (0.064%) Sparx Enterprise Architect
Cloud Services
1 615 (39.42%) AWS
2 434 (27.82%) Azure
3 189 (12.12%) GCP
4 150 (9.62%) Serverless
5 112 (7.18%) GitHub
6 104 (6.67%) SaaS
7 55 (3.53%) Cloud Computing
8 50 (3.21%) PaaS
9 46 (2.95%) AWS Lambda
10 44 (2.82%) Amazon EKS
11 41 (2.63%) IaaS
12 37 (2.37%) AWS CloudFormation
13 34 (2.18%) Amazon EC2
14 31 (1.99%) Power Platform
15 29 (1.86%) Amazon ECS
15 29 (1.86%) Boomi
16 18 (1.15%) Amazon S3
16 18 (1.15%) Office 365
17 15 (0.96%) Azure Active Directory
18 14 (0.90%) Slack
Communications & Networking
1 44 (2.82%) Firewall
2 37 (2.37%) HTTP
3 33 (2.12%) DNS
4 32 (2.05%) TCP/IP
5 30 (1.92%) VoIP
6 21 (1.35%) Wireless
7 20 (1.28%) Internet
8 18 (1.15%) Asterisk PBX
9 17 (1.09%) Intrusion Detection
10 15 (0.96%) Skype
11 13 (0.83%) IPv4
11 13 (0.83%) IPv6
12 10 (0.64%) SSL
12 10 (0.64%) VPN
13 9 (0.58%) NAS
13 9 (0.58%) RTP
14 8 (0.51%) Network Security
14 8 (0.51%) Wireshark
15 7 (0.45%) Broadband
15 7 (0.45%) Cisco Firepower
Database & Business Intelligence
1 211 (13.53%) NoSQL
2 126 (8.08%) PostgreSQL
3 123 (7.88%) Big Data
4 108 (6.92%) SQL Server
5 86 (5.51%) Relational Database
6 84 (5.38%) MySQL
7 63 (4.04%) Hadoop
8 47 (3.01%) MongoDB
9 43 (2.76%) Data Warehouse
10 28 (1.79%) Amazon Redshift
11 26 (1.67%) RDBMS
11 26 (1.67%) Redis
12 25 (1.60%) Tableau
13 24 (1.54%) Amazon RDS
14 21 (1.35%) Apache Cassandra
15 20 (1.28%) Power BI
16 19 (1.22%) MariaDB
17 16 (1.03%) Amazon DynamoDB
18 15 (0.96%) Data Lake
19 13 (0.83%) Scylla
Development Applications
1 304 (19.49%) Git (software)
2 246 (15.77%) Jenkins
3 138 (8.85%) JIRA
4 100 (6.41%) GitLab
5 83 (5.32%) JUnit
6 59 (3.78%) Mockito
7 53 (3.40%) Atlassian Bamboo
8 52 (3.33%) Selenium
9 38 (2.44%) TeamCity
10 32 (2.05%) Bitbucket
11 28 (1.79%) Cucumber
12 24 (1.54%) WebDriver
13 23 (1.47%) Maven
13 23 (1.47%) SonarQube
13 23 (1.47%) Vagrant
14 22 (1.41%) Subversion
15 21 (1.35%) Octopus Deploy
16 16 (1.03%) DbUnit
16 16 (1.03%) jMock
17 15 (0.96%) Appium
General
1 290 (18.59%) Finance
2 125 (8.01%) Public Sector
3 73 (4.68%) Marketing
4 65 (4.17%) Banking
5 47 (3.01%) Law
6 38 (2.44%) Front Office
7 33 (2.12%) Retail
8 29 (1.86%) Games
8 29 (1.86%) Legal
9 27 (1.73%) Telecoms
10 22 (1.41%) Investment Banking
11 19 (1.22%) Manufacturing
12 17 (1.09%) Automotive
13 15 (0.96%) Electronics
14 7 (0.45%) Advertising
15 4 (0.26%) Aerospace
15 4 (0.26%) Back Office
15 4 (0.26%) Financial Institution
15 4 (0.26%) Local Government
16 3 (0.19%) Publishing
Job Titles
1 588 (37.69%) Developer
2 198 (12.69%) Software Engineer
3 188 (12.05%) Architect
4 128 (8.21%) React Developer
5 121 (7.76%) Java Developer
6 108 (6.92%) DevOps Engineer
7 93 (5.96%) Senior Developer
8 87 (5.58%) Developer/Software Engineer
9 67 (4.29%) Full Stack Developer
10 66 (4.23%) Consultant
11 61 (3.91%) Java Engineer
12 57 (3.65%) Solutions Architect
13 55 (3.53%) Java Software Engineer
14 54 (3.46%) Front End Developer (Client-Side Developer)
15 51 (3.27%) Analyst
16 47 (3.01%) Azure Engineer
16 47 (3.01%) Platform Engineer
16 47 (3.01%) SC Cleared Java Developer
17 45 (2.88%) Data Engineer
18 43 (2.76%) Linux Engineer
Libraries, Frameworks & Software Standards
1 309 (19.81%) React
2 260 (16.67%) AngularJS
3 220 (14.10%) REST
4 209 (13.40%) .NET
5 201 (12.88%) Web Services
6 192 (12.31%) RESTful
7 191 (12.24%) Node.js
8 173 (11.09%) CSS
9 172 (11.03%) HTML
10 134 (8.59%) Spring
11 105 (6.73%) React Native
12 96 (6.15%) Kafka
13 84 (5.38%) HTML5
14 72 (4.62%) JSON
15 61 (3.91%) JMS
16 56 (3.59%) .NET Core
16 56 (3.59%) SOAP
17 54 (3.46%) Spring Boot
18 52 (3.33%) RabbitMQ
19 48 (3.08%) CSS3
Miscellaneous
1 147 (9.42%) Blog
2 84 (5.38%) Greenfield Project
3 77 (4.94%) Mobile App
4 74 (4.74%) Analytical Skills
5 70 (4.49%) Algorithms
6 63 (4.04%) Virtual Team
7 59 (3.78%) User Experience
8 58 (3.72%) Enterprise Software
9 51 (3.27%) Cloud Native
10 34 (2.18%) Data Centre
11 32 (2.05%) Data Structures
12 29 (1.86%) Hedge funds
13 28 (1.79%) Foreign Exchange (FX)
14 27 (1.73%) Fixed Income
15 26 (1.67%) Renewable Energy
15 26 (1.67%) Social Media
16 25 (1.60%) Private Cloud
16 25 (1.60%) Self-Motivation
17 24 (1.54%) Cyberattack
18 23 (1.47%) Public Cloud
Operating Systems
1 336 (21.54%) Linux
2 121 (7.76%) Windows
3 104 (6.67%) Android
4 89 (5.71%) CentOS
5 76 (4.87%) Unix
6 74 (4.74%) Red Hat Enterprise Linux
7 30 (1.92%) Ubuntu
8 28 (1.79%) Apple iOS
9 25 (1.60%) Windows Server
10 23 (1.47%) Debian
11 19 (1.22%) Fedora
12 18 (1.15%) VMS
13 6 (0.38%) Mac OS X
14 3 (0.19%) Windows 10
15 2 (0.13%) Mesosphere
15 2 (0.13%) OpenBSD
15 2 (0.13%) Windows Server 2008
15 2 (0.13%) Windows Server 2012
16 1 (0.064%) Embedded Linux
16 1 (0.064%) MVS
Processes & Methodologies
1 877 (56.22%) Agile Software Development
2 450 (28.85%) Software Engineering
3 421 (26.99%) DevOps
4 368 (23.59%) Microservices
5 287 (18.40%) Continuous Integration
6 241 (15.45%) Test Automation
7 240 (15.38%) TDD
8 165 (10.58%) Scrum
9 150 (9.62%) Configuration Management
10 148 (9.49%) BDD
11 145 (9.29%) Analytics
11 145 (9.29%) OO
12 135 (8.65%) Asset Management
13 134 (8.59%) Cybersecurity
14 129 (8.27%) Artificial Intelligence
15 125 (8.01%) Problem-Solving
16 120 (7.69%) Computer Science
17 111 (7.12%) Machine Learning
18 105 (6.73%) Mentoring
19 103 (6.60%) Web Application Development
Programming Languages
1 561 (35.96%) Java
2 521 (33.40%) Python
3 439 (28.14%) JavaScript
4 239 (15.32%) SQL
5 142 (9.10%) C#
6 112 (7.18%) C
7 99 (6.35%) C++
8 93 (5.96%) PHP
9 90 (5.77%) Ruby
10 80 (5.13%) Go
11 78 (5.00%) Bash Shell
11 78 (5.00%) PowerShell
12 69 (4.42%) TypeScript
13 52 (3.33%) Scala
14 51 (3.27%) Java 8
15 49 (3.14%) Perl
16 32 (2.05%) Shell Script
17 31 (1.99%) ES6
17 31 (1.99%) Kotlin
18 20 (1.28%) R
Qualifications
1 193 (12.37%) Security Cleared
2 179 (11.47%) Degree
3 162 (10.38%) SC Cleared
4 59 (3.78%) Computer Science Degree
5 26 (1.67%) PhD
6 25 (1.60%) AWS Certification
7 22 (1.41%) CISSP
8 20 (1.28%) CISM
8 20 (1.28%) CSSLP
9 15 (0.96%) DV Cleared
9 15 (0.96%) Master's Degree
9 15 (0.96%) Microsoft Certification
10 7 (0.45%) Numerate Degree
11 6 (0.38%) CREST Certified
12 5 (0.32%) ISEB
12 5 (0.32%) ISTQB
13 4 (0.26%) Cisco Certification
13 4 (0.26%) TOGAF Certification
14 2 (0.13%) DBS Check
14 2 (0.13%) SANS
Quality Assurance & Compliance
1 85 (5.45%) QA
2 41 (2.63%) NIST
3 24 (1.54%) GDPR
4 23 (1.47%) ISO/IEC 27001
5 15 (0.96%) SLA
6 14 (0.90%) NIST 800
7 12 (0.77%) NCSC
8 6 (0.38%) Data Quality
9 5 (0.32%) PMO
10 4 (0.26%) ISO 26262
10 4 (0.26%) OpenSCAP
11 3 (0.19%) Government Security Classifications
12 2 (0.13%) Cyber Essentials
12 2 (0.13%) MiFID
13 1 (0.064%) Cyber Essentials PLUS
13 1 (0.064%) HMG Security Policy Framework
13 1 (0.064%) ISO 9001
13 1 (0.064%) PCI DSS
System Software
1 330 (21.15%) Docker
2 35 (2.24%) Active Directory
3 24 (1.54%) VMware Infrastructure
4 18 (1.15%) Kamailio
5 14 (0.90%) Postfix
6 9 (0.58%) Apache ZooKeeper
6 9 (0.58%) Firmware
7 6 (0.38%) Ceph
7 6 (0.38%) HDFS
7 6 (0.38%) Xen
8 4 (0.26%) KVM
8 4 (0.26%) OpenSIPS
8 4 (0.26%) Virtual Machines
9 3 (0.19%) Hyper-V
9 3 (0.19%) LXC
10 2 (0.13%) NFS
10 2 (0.13%) VMware ESXi
11 1 (0.064%) Apache Flume
11 1 (0.064%) QEMU
11 1 (0.064%) Varnish
Systems Management
1 283 (18.14%) Kubernetes
2 187 (11.99%) Terraform
3 153 (9.81%) Puppet
4 135 (8.65%) Ansible
5 108 (6.92%) Opscode Chef
6 52 (3.33%) Prometheus
7 40 (2.56%) Grafana
8 39 (2.50%) Nagios
9 24 (1.54%) Graphite
10 21 (1.35%) Docker Swarm
11 19 (1.22%) Consul
11 19 (1.22%) Packer
12 14 (0.90%) HAProxy
13 13 (0.83%) Istio
14 12 (0.77%) Host Intrusion Detection System
14 12 (0.77%) Icinga
15 11 (0.71%) Rancher
16 9 (0.58%) Mesos
16 9 (0.58%) Salt
17 8 (0.51%) Marathon
Vendors
1 215 (13.78%) Microsoft
2 105 (6.73%) Google
2 105 (6.73%) Oracle
3 46 (2.95%) Red Hat
3 46 (2.95%) VMware
4 45 (2.88%) Adobe
5 32 (2.05%) TIBCO
6 30 (1.92%) IBM
7 29 (1.86%) Dell
7 29 (1.86%) MuleSoft
8 20 (1.28%) UiPath
8 20 (1.28%) WSO2
9 19 (1.22%) Splunk
10 17 (1.09%) Cisco
10 17 (1.09%) Dynatrace
11 14 (0.90%) Sitecore
12 13 (0.83%) SAP
13 12 (0.77%) Atlassian
14 11 (0.71%) BroadSoft
14 11 (0.71%) Talend